CN101771179A - Dual-power power supply scheme - Google Patents
Dual-power power supply scheme Download PDFInfo
- Publication number
- CN101771179A CN101771179A CN200810247405A CN200810247405A CN101771179A CN 101771179 A CN101771179 A CN 101771179A CN 200810247405 A CN200810247405 A CN 200810247405A CN 200810247405 A CN200810247405 A CN 200810247405A CN 101771179 A CN101771179 A CN 101771179A
- Authority
- CN
- China
- Prior art keywords
- power supply
- voltage
- dry cell
- rechargeable battery
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a dual-power power supply scheme for devices employing dry batteries. In the scheme, the power supply voltage value of a device is detected in real-time, the detected voltage value is compared with the low-battery voltage threshold of the dry battery, if the detected voltage value is lower than the low-battery voltage threshold of the dry battery, the device is controlled to power off; the dry battery is replaced by a rechargeable battery and the voltage value of the power supply is detected in real-time; when the detected voltage value is lower than the low-battery voltage threshold of the rechargeable battery, the device is controlled to power off. The invention can enable the device employing the rechargeable battery to operate for long time, improves the service life of the rechargeable battery, saves the cost for users on purchasing dry batteries and brings use convenience to users.
Description
Technical field
The present invention relates to a kind of scheme for using the dry cell device to power, design especially a kind of not only can be for having used dry cell but also can being the scheme of using charging cell device to power.
Background technology
Under the prior art, because dry cell purchase place is a lot, it is convenient to change, and also carries easily, and people generally receive the device that uses dry cell.Simultaneously, a lot of devices are considered and are wished the continuation of powering when using, still select use dry cell power supply, for example recording pen, MP3,4-wheel driven car, electric toothbrush or the like.
Dry cell is a disposable battery, use the back just must discard, and dry cell contains heavy metal as lead, manganese, mercury etc., and these heavy metals are very harmful to environment.Rechargeable battery then can use more than 500 times repeatedly, that is to say refuse that rechargeable battery produces for once the property battery 1/500 less than, no matter be from reducing refuse or considering that from the utilization of resources and economic angle the superiority of rechargeable battery is fairly obvious.
The dry cell of No. 7 or No. 5 1.5V of 2 joints, the voltage 3V of dry cell batteries.According to the characteristics of dry cell, every joint dry cell is lower than 1.1V, and when the voltage of dry cell batteries was lower than 2.2V, device can be thought dry cell electric weight deficiency, and the mains switch of automatic disconnecting device and shutting down.
From the angle of environmental protection, a lot of users wish to use rechargeable battery, but the full electricity of voltage of the rechargeable battery of No. 7, single-unit or No. 5 at 1.2V, voltage just the electric weight deficiency can occur when 0.9V, electric weight is still very sufficient during its voltage 1.1V.
But under the prior art, when the user uses rechargable battery for the device power supply, device detects the voltage of single-unit rechargeable battery when 1.1V, still can be to user prompt electric weight deficiency, and shutdown automatically, this will cause and use rechargeable battery is the device power supply, the useful life of rechargeable battery is very short, cause the waste of rechargeable battery energy, the user also will frequently change battery simultaneously, for the user has brought a lot of troubles.
Summary of the invention
The object of the present invention is to provide a kind of technical ability to make full use of the device that the dry cell electric energy can make full use of the rechargeable battery electric energy again, when making device use rechargeable battery, prolong the useful life of rechargeable battery.
Technical scheme of the present invention is as follows:
A kind of schemes of using the power supply of two cover power supplys are used to use the device of dry cell power supply, specifically may further comprise the steps:
The supply voltage value of A, the described device of real-time detection, and the magnitude of voltage of surveying compared with the charge threshold level of dry cell electric weight deficiency, when the magnitude of voltage of surveying is lower than the charge threshold level of described dry cell electric weight deficiency, controls described device and shut down;
B, replace described dry cell with rechargeable battery, and the described power source voltage value of real-time detection;
C, when the magnitude of voltage of surveying is lower than the charge threshold level of described electric quantity of rechargeable battery deficiency, control described device shutdown.
The power supply plan of described two cover power supplys, wherein, the comparison procedure of described detecting voltage and charge threshold level is carried out by voltage comparison unit.
The power supply plan of described two cover power supplys, wherein, the comparison procedure of charge threshold level was carried out by the dry cell voltage comparison unit when described detecting voltage and described dry cell electric weight were not enough.
The power supply plan of described two cover power supplys, wherein, the comparison procedure of charge threshold level was carried out by the charged battery voltage comparing unit when described detecting voltage and described electric quantity of rechargeable battery were not enough.
The power supply plan of described two cover power supplys, wherein, the type of described dry cell and rechargeable battery is No. 7 or No. 5.
The power supply plan of described two cover power supplys, wherein, the charge threshold level of single-unit dry cell electric weight deficiency is 1.1V, the critical value of single-unit electric quantity of rechargeable battery deficiency is 0.9V.
The power supply plan of described two cover power supplys, wherein, by the start or the shutdown that open or close the described device of control of mains switch.
The power supply plan of described two cover power supplys, wherein, making device discern described power supply by the power supply selected cell is dry cell or rechargeable battery.
The power supply plan of described two cover power supplys, wherein, described power supply selected cell is arranged on the outside selection key that can stir of described device.
The power supply plan of described two cover power supplys, wherein, described power supply selected cell is arranged on a power supply selection function menu in the described control chip Control-Menu.
The power supply plan of described two cover power supplys, wherein, described power supply selection function menu comprises dry cell menu item and rechargeable battery menu item.
The power supply plan of described two cover power supplys, wherein, when described detecting voltage was lower than the critical value of described undertension, described device sent the cue of power supply deficiency.
The power supply plan of described two cover power supplys, wherein, described device is a recording pen, the microphone of described recording pen collection of simulant signal sound, and be the storage that digital signal is carried out voice data with analog signal conversion.
The power supply plan of described two cover power supplys, wherein, described device is MP3, described MP3 is converted to analog signal with the voice data of storage, and analog signal is play by loudspeaker.
The power supply plan of described two cover power supplys, wherein, described device is a 4-wheel driven car, described 4-wheel driven car transfers the electric energy of power supply to the drive force wheel.
Compared with prior art, the invention provides a kind of power supply plan of two cover power supplys, at dry cell and rechargeable battery charge threshold level different when the electricity shortage, thereby when the power supply of dry cell, when being lower than the charge threshold level of dry cell electric weight when not enough, voltage just makes the device shutdown, when rechargeable battery powered, when voltage is lower than the charge threshold level of electric quantity of rechargeable battery when not enough, device is shut down.The power supply plan of two cover voltages provided by the invention can make device work for a long time when using rechargable battery, prolongs the useful life of rechargeable battery, and is for the user has saved the cost of buying dry cell, convenient for users to use.
Description of drawings
The structural representation of Fig. 1 recording pen of two cover power supplys for the present invention uses;
Fig. 2 is for using the flow chart of dry cell in the two cover of the present invention power source design;
Fig. 3 is for using the flow chart of rechargeable battery in the two cover of the present invention power source design;
The structural representation of Fig. 4 MP3 of two cover power supplys for the present invention uses;
The structural representation of Fig. 5 4-wheel driven car of two cover power supplys for the present invention uses.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in further detail.
The recording pen 100 of the two cover of use provided by the invention power supply as shown in Figure 1, comprises interconnective microphone 102 and main control chip 101; Be connected with memory cell 107 on the described main control chip 101, be used to store the voice data of recording; Described recording pen 100 is provided with battery case 104, described battery case 104 is connected on the described main control chip 101 by voltage detection unit 105, can place the dry cell of No. 7 1.5V or No. 7 rechargeable battery in the described battery case 104, be used for providing power supply for described recording pen 100; Connect dry cell voltage comparison unit 108 and charged battery voltage comparing unit 109 on the described main control chip 101 respectively.When placing dry cell in the described battery case 104, described main control chip 101 selects to use described dry cell voltage comparison unit 108 to judge whether electric quantity of power supply is not enough, described dry cell voltage comparison unit 108 judges whether not enough charge threshold level is 1.1V to the single battery electric weight, when the voltage of single-unit dry cell less than 1.1V, then described dry cell voltage comparison unit 108 is judged described electric quantity of power supply deficiency.When placing rechargeable battery in the described battery case 104, described main control chip 101 selects to use described charged battery voltage comparing unit 109 to judge whether electric quantity of power supply is not enough, described charged battery voltage comparing unit 109 judges that the charge threshold level of single-unit electric quantity of rechargeable battery deficiency is 0.9V, when the voltage of single-unit rechargeable battery during less than 0.9V, then described charged battery voltage comparing unit 109 is judged the electric quantity of power supply deficiencies.
The recording pen 100 of the two cover of use of the present invention power supply, can use No. 7 dry cells as power supply, also can pass through No. 7 rechargeable batteries as power supply, and the electric energy in the power supply is fully utilized, prolong the service time of rechargeable battery, user-friendly.
Described recording pen 100 uses dry battery charge may further comprise the steps, as shown in Figure 2:
Be in series with mains switch 106 on the described battery case 104 of step 202, recording pen of the present invention 100 and the circuit between the main control chip 101, the switch of described mains switch 106 that is recording pen.Closed described mains switch 106, making described power supply is path to the circuit between the main control chip.
Be connected with power supply selected cell 110 on step 203, the described main control chip 101, transmit signal by described power supply selected cell 110 to described main control chip 101, inform that described main control chip 101 power supplys are dry cell, described main control chip 101 is according to the signal that receives, select to connect described dry cell voltage comparison unit 108, and cut off described rechargeable battery comparing unit 109.
Described power supply selected cell 110 can be arranged on the selection key of described recording pen outside, and by stirring of button, transmitting the power supply of selecting to described main control chip 101 is dry cell or rechargeable battery; It also can be a power supply selection function menu in the control chip menu, comprise dry cell menu item and rechargeable battery menu item in the described power supply selection function menu, when using dry cell, in menu, choose the dry cell menu item, when using rechargeable battery, in menu, choose the rechargeable battery menu item.The present invention transmits selection information by clicking the dry cell menu item to described main control chip 101, and promptly power supply is a dry cell.
The voltage of batteries is monitored in real time in the step 206, the 105 pairs of battery cases in described voltage detection unit 104, and the single battery magnitude of voltage that detects or the magnitude of voltage of battery pack are sent to described main control chip 101.
Described recording pen 100 uses the rechargeable battery charging may further comprise the steps, as shown in Figure 3:
The voltage of batteries is monitored in real time in the step 306, the 105 pairs of battery cases in described voltage detection unit 104, and the single battery magnitude of voltage that detects or the magnitude of voltage of battery pack are sent to described main control chip 101.
Dry cell voltage comparison unit 108 of the present invention and charged battery voltage comparing unit 109 can synthesize in a voltage comparison unit, be provided with the charge threshold level of two groups of electric weight deficiencies in the described voltage comparison unit, be the not enough charge threshold level of dry cell electric weight, comprise the charge threshold level 2.2V of dry cell batteries, the charge threshold level 1.1V of single-unit dry cell; And the charge threshold level of rechargeable battery, comprise the critical value 1.8V of rechargeable battery set, the critical value 0.9V of single-unit rechargeable battery.When the power supply that described power supply selected cell 110 is selected was dry cell, described voltage comparison unit called the charge threshold level of using dry cell electric weight deficiency; When described power supply selected cell 110 selected power supply to be rechargeable battery, described voltage comparison unit called the charge threshold level of using the electric quantity of rechargeable battery deficiency.
Two cover power source designs for the recording pen use provided by the invention, because according to rechargable battery and dry cell voltage different when electric weight is not enough, adjust recording pen itself and judge the charge threshold level of electric weight deficiency, thereby the electric energy in the different electrical power is fully used, prolong the useful life of power supply, thereby make the use of recording pen convenient.
Recording pen provided by the invention uses the scheme of two cover power supplys can also be applied to the device that other use dry cell, for example MP3, shaver, toy, electric toothbrush etc.
MP3400 with two cover power supplys provided by the invention as shown in Figure 4, comprises interconnective loudspeaker 111 and main control chip 101; Be connected with memory cell 107 on the described main control chip 101, be used to store the voice data that to play; Be provided with digital to analog converter 103 between described loudspeaker 111 and the main control chip 101, be used under the control of described main control chip 101, the voice data of memory cell is converted to analog signal, and plays by loudspeaker.
Described MP3400 is provided with battery case 104, described battery case 104 is connected on the described main control chip 101 by voltage detection unit 105, can place the dry cell of No. 7 1.5V or No. 7 rechargeable battery in the described battery case 104, be used for providing power supply for described MP3400; Connect dry cell voltage comparison unit 108 and charged battery voltage comparing unit 109 on the described main control chip 101 respectively.When placing dry cell in the described battery case 104, described main control chip 101 selects to use described dry cell voltage comparison unit 108 to judge whether electric quantity of power supply is not enough, described dry cell voltage comparison unit 108 judges whether not enough charge threshold level is 1.1V to the single battery electric weight, when the voltage of single-unit dry cell less than 1.1V, then described dry cell voltage comparison unit 108 is judged described electric quantity of power supply deficiency.When placing rechargeable battery in the described battery case 104, described main control chip 101 selects to use described charged battery voltage comparing unit 109 to judge whether electric quantity of power supply is not enough, described charged battery voltage comparing unit 109 judges that the charge threshold level of single-unit electric quantity of rechargeable battery deficiency is 0.9V, when the voltage of single-unit rechargeable battery during less than 0.9V, then described charged battery voltage comparing unit 109 is judged the electric quantity of power supply deficiencies.
Described MP3400 is by being connected the information of power supply selected cell 110 power type in described main control chip 101 transmission battery cases 104 on the described main control chip 101.If what described power supply selected cell 110 was selected is dry cell, then in described battery case 104, place No. 7 dry cells of two joints, the described dry cell voltage comparison unit 108 of described main control chip 101 control connections of while, and cut off described rechargeable battery comparing unit 109.
Described dry cell voltage comparison unit 108 compares the magnitude of voltage of the single battery that receives and the charge threshold level 1.1V of single-unit dry cell electric weight deficiency, perhaps the magnitude of voltage of the battery pack that receives and the charge threshold level 2.2V of dry cell batteries electric weight deficiency is compared.If the magnitude of voltage that receives is higher than described charge threshold level, described dry cell voltage comparison unit 108 is presented on the display screen of described MP3400 by calculating current electric quantity of power supply and sending to described main control chip 101.If the magnitude of voltage that receives is lower than described charge threshold level, described dry cell voltage comparison unit 108 sends the signal of electric weight deficiency to described main control chip 101, the cue that the described MP3400 of described main control chip 101 controls sends the power supply deficiency, and the described mains switch 106 of control cut-out, make described MP3400 shutdown.
If what described power supply selected cell 110 was selected is rechargeable battery, then in described battery case 104, place No. 7 rechargeable batteries of two joints, the described rechargeable battery comparing unit 109 of described main control chip 101 control connections of while, and cut off described dry cell voltage comparison unit 108.
Described charged battery voltage comparing unit 109 compares the magnitude of voltage of the single battery that receives and the charge threshold level 0.9V of single-unit electric quantity of rechargeable battery deficiency, perhaps the magnitude of voltage of the battery pack that receives and the charge threshold level 1.8V of rechargeable battery set electric weight deficiency is compared.If the magnitude of voltage that receives is higher than described charge threshold level, described charged battery voltage comparing unit 109 is presented on the display screen of described MP3400 by calculating current electric quantity of power supply and sending to described main control chip 101.If the magnitude of voltage that receives is lower than described charge threshold level, described charged battery voltage comparing unit 109 sends the signal of electric weight deficiency to described main control chip 101, the cue that the described MP3400 of described main control chip 101 controls sends the power supply deficiency, and the described mains switch 106 of control cut-out, make described MP3400 shutdown.
Toy with two cover power supplys provided by the invention, for example 4-wheel driven car 500, as shown in Figure 5, comprise the wheel 113 that is connected the 4-wheel driven car on the main control chip 101, also be provided with driver element 112 between described main control chip 101 and the wheel 113, be used for the electric energy of power supply is converted to the actuating force of wheel, drive described wheel 113 and rotate.
Described 4-wheel driven car 500 is provided with battery case 104, described battery case 104 is connected on the described main control chip 101 by voltage detection unit 105, can place No. 5 1.5V dry cells of some joints or No. 5 rechargeable batteries in the described battery case 104, be used for providing power supply for described 4-wheel driven car 500; Be connected with dry cell voltage comparison unit 108 and charged battery voltage comparing unit 109 on the described main control chip 101.When placing dry cell in the described battery case 104, described main control chip 101 selects to use described dry cell voltage comparison unit 108 to judge whether electric quantity of power supply is not enough, and described dry cell voltage comparison unit 108 judges whether not enough charge threshold level is 1.1V to single battery voltage.When placing rechargeable battery in the described battery case 104, described main control chip 101 selects to use described charged battery voltage comparing unit 109 to judge whether electric quantity of power supply is not enough, and described charged battery voltage comparing unit 109 judges whether not enough charge threshold level is 0.9V to the single battery electric weight.
Described 4-wheel driven car 500 is dry cell or rechargeable battery by what be connected that power supply selected cell 110 on the described main control chip 101 selects to place in the battery case 104.If what described power supply selected cell 110 was selected is dry cell, then in described battery case 104, place No. 5 dry cells of some joints, the described dry cell voltage comparison unit 108 of described main control chip 101 control connections of while, and cut off described rechargeable battery comparing unit 109.
Described dry cell voltage comparison unit 108 compares the magnitude of voltage of the single battery that receives and the charge threshold level 1.1V of single-unit dry cell electric weight deficiency.If the magnitude of voltage that receives is higher than described charge threshold level, described dry cell voltage comparison unit 108 is presented on the display screen of described 4-wheel driven car by calculating current electric quantity of power supply and sending to described main control chip 101.If the magnitude of voltage that receives is lower than described charge threshold level, described dry cell voltage comparison unit 108 sends the signal of electric weight deficiency to described main control chip 101, the cue that the described 4-wheel driven car 500 of described main control chip 101 controls sends the power supply deficiency, and the described mains switch 106 of control cut-out, make described 4-wheel driven car 500 shutdown.
If what described 4-wheel driven car 500 power supply selected cells 110 were selected is rechargeable battery, then in described battery case 104, place No. 5 rechargeable batteries of some joints, the described rechargeable battery comparing unit 109 of described main control chip 101 control connections of while, and cut off described dry cell voltage comparison unit 108.
Described charged battery voltage comparing unit 109 compares the magnitude of voltage of the single battery that receives and the charge threshold level 0.9V of single-unit electric quantity of rechargeable battery deficiency.If the magnitude of voltage that receives is higher than described charge threshold level, described charged battery voltage comparing unit 109 is presented on the display screen of described 4-wheel driven car 500 by calculating current electric quantity of power supply and sending to described main control chip 101.If the magnitude of voltage that receives is lower than described charge threshold level, described charged battery voltage comparing unit 109 sends the signal of electric weight deficiency to described main control chip 101, the cue that the described 4-wheel driven car 500 of described main control chip 101 controls sends the power supply deficiency, and the described mains switch 106 of control cut-out, make described 4-wheel driven car 500 shutdown.
The present invention uses the device of described two cover power supply power supply, and the charge threshold level of the charge threshold level of its dry cell electric energy deficiency and rechargeable battery electric energy deficiency can be adjusted according to the different performance of dry cell and rechargeable battery, does not limit here.
The power supply plan of two cover power supplys provided by the invention makes device can fully use electric energy in the rechargable battery, prolongs the useful life of rechargeable battery, the use cost of economy system, and environmental protection.
Should be understood that above-mentioned statement at preferred embodiment of the present invention is comparatively detailed, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.
Claims (15)
1. one kind is used two schemes of overlapping the power supplys power supply, is used to use the device of dry cell power supply, specifically may further comprise the steps:
The supply voltage value of A, the described device of real-time detection, and the magnitude of voltage of surveying compared with the charge threshold level of dry cell electric weight deficiency, when the magnitude of voltage of surveying is lower than the charge threshold level of described dry cell electric weight deficiency, controls described device and shut down;
B, replace described dry cell with rechargeable battery, and the described power source voltage value of real-time detection;
C, when the magnitude of voltage of surveying is lower than the charge threshold level of described electric quantity of rechargeable battery deficiency, control described device shutdown.
2. the power supply plan of two cover power supplys according to claim 1 is characterized in that the comparison procedure of described detecting voltage and charge threshold level is carried out by voltage comparison unit.
3. the power supply plan of two cover power supplys according to claim 1 is characterized in that the comparison procedure of charge threshold level was carried out by the dry cell voltage comparison unit when described detecting voltage and described dry cell electric weight were not enough.
4. the power supply plan of two cover power supplys according to claim 3 is characterized in that the comparison procedure of charge threshold level was carried out by the charged battery voltage comparing unit when described detecting voltage and described electric quantity of rechargeable battery were not enough.
5. the power supply plan of two cover power supplys according to claim 1 is characterized in that the type of described dry cell and rechargeable battery is No. 7 or No. 5.
6. the power supply plan of two cover power supplys according to claim 5 is characterized in that the charge threshold level of single-unit dry cell electric weight deficiency is 1.1V, and the critical value of single-unit electric quantity of rechargeable battery deficiency is 0.9V.
7. the power supply plan of two cover power supplys according to claim 1 is characterized in that, by the start or the shutdown that open or close the described device of control of mains switch.
8. the power supply plan of two cover power supplys according to claim 1 is characterized in that making described device discern described power supply by the power supply selected cell is dry cell or rechargeable battery.
9. the power supply plan of two cover power supplys according to claim 8 is characterized in that, described power supply selected cell is arranged on the outside selection key that can stir of described device.
10. the power supply plan of two cover power supplys according to claim 8 is characterized in that described power supply selected cell is arranged on a power supply selection function menu in the described control chip Control-Menu.
11. the power supply plan of two cover power supplys according to claim 10 is characterized in that described power supply selection function menu comprises dry cell menu item and rechargeable battery menu item.
12. the power supply plan of two cover power supplys according to claim 1 is characterized in that when described detecting voltage was lower than the critical value of described undertension, described device sent the cue of power supply deficiency.
13. the power supply plan of two cover power supplys according to claim 1 is characterized in that described device is a recording pen, the microphone of described recording pen collection of simulant signal sound, and be the storage that digital signal is carried out voice data with the analog signal conversion of sound.
14. the power supply plan of two cover power supplys according to claim 1 is characterized in that described device is MP3, described MP3 is converted to analog signal with the voice data of storage, and analog signal is play by loudspeaker.
15. the power supply plan of two cover power supplys according to claim 1 is characterized in that described device is a 4-wheel driven car, described 4-wheel driven car transfers the electric energy of power supply to the drive force wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810247405A CN101771179A (en) | 2008-12-31 | 2008-12-31 | Dual-power power supply scheme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810247405A CN101771179A (en) | 2008-12-31 | 2008-12-31 | Dual-power power supply scheme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101771179A true CN101771179A (en) | 2010-07-07 |
Family
ID=42503879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810247405A Pending CN101771179A (en) | 2008-12-31 | 2008-12-31 | Dual-power power supply scheme |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101771179A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752784A (en) * | 2015-03-18 | 2015-07-01 | 上海天奕达电子科技有限公司 | Charging and discharging method and charging and discharging system |
-
2008
- 2008-12-31 CN CN200810247405A patent/CN101771179A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752784A (en) * | 2015-03-18 | 2015-07-01 | 上海天奕达电子科技有限公司 | Charging and discharging method and charging and discharging system |
| CN104752784B (en) * | 2015-03-18 | 2017-03-15 | 上海卓易科技股份有限公司 | A kind of charging/discharging thereof and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102593540B (en) | A kind of battery activated method, module and terminal | |
| JP3222166U (en) | Multifunctional charging box | |
| CN201789318U (en) | Mobile phone power supply device with leather case battery for power supply | |
| JP3136368U (en) | Storage device that can supply power | |
| CN101771293A (en) | Handheld mobile terminal and power supply device thereof | |
| CN201918782U (en) | Portable mobile power supply | |
| US8593106B2 (en) | Dual-chargeable battery pack in a power supply | |
| CN102931695A (en) | Mobile power supply capable of automatically detecting load and method for charging load battery | |
| US20080007215A1 (en) | Portable power supplying device | |
| CN204012830U (en) | Portable power source | |
| CN103378631A (en) | Charging device, control method of the charging device, electric-powered vehicle, energy storage device and power system | |
| CN109038754B (en) | Battery pack balancing system and method for applying battery pack balancing system | |
| CN201750175U (en) | GPS charging onboard bracket | |
| CN201349142Y (en) | Device employing double-set power supply | |
| JPH1169659A (en) | Solar power generation and charging system | |
| JP3104747U (en) | Solar battery charger | |
| CN101771179A (en) | Dual-power power supply scheme | |
| JP3780502B2 (en) | Solar battery charger for mobile devices | |
| CN201813324U (en) | Portable intelligent solar energy power source | |
| CN1462922A (en) | Power supply management system for palm equipment | |
| CN201797362U (en) | Multifunctional charger | |
| CN201348881Y (en) | Recording pen employing double-set power supply | |
| CN201425841Y (en) | Recording pen capable of seamless switching of power supply | |
| CN215662993U (en) | Electric automobile treasured that charges | |
| CN101022623A (en) | Hand electronic device power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100707 |