CN101557123B - Electric equipment and charging and discharging method thereof - Google Patents
Electric equipment and charging and discharging method thereof Download PDFInfo
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- CN101557123B CN101557123B CN2009101375441A CN200910137544A CN101557123B CN 101557123 B CN101557123 B CN 101557123B CN 2009101375441 A CN2009101375441 A CN 2009101375441A CN 200910137544 A CN200910137544 A CN 200910137544A CN 101557123 B CN101557123 B CN 101557123B
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- 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
Abstract
The embodiment of the invention provides electric equipment and a charging and discharging method thereof, being applied to the electronic technical filed. The electric equipment comprises an electricity core connection regulating module which is used for regulating the serial connection and/or the parallel connection of an electricity core according to preset strategies of the electric equipment when the electric equipment needs charge or discharge or the charge is completed, wherein the preset strategies are as follows: when the electric equipment requires charge, a rated voltage after electricity core connection regulation is smaller than the voltage of a bus; when the electric equipment requires discharge, a rated voltage after electricity core connection regulation is within the rangeof a rear-end voltage; therefore, the rated voltage of the electric equipment after electricity core connection regulation can be changed by the electricity core connection regulating module; therefo re, a charging module directly uses the voltage of the bus for charging the electricity core when the electric equipment requires charging, and a discharging module directly conducts discharging to the electricity core when the electric equipment requires discharging, thereby simplifying a voltage rising module for charging which is used for rising the voltage of the bus and a discharging control module which is used for stabilizing the rear-end voltage in the prior art.
Description
Technical field
The present invention relates to technical field of electronic equipment, particularly electronic equipment and charging/discharging thereof thereof.
Background technology
Include battery module in the electronic equipment that has now, can protect the data in the internal memory by battery module.Battery module comprises multi-section serial and/or electric core, charging module, discharge module and battery management control modules in parallel.Wherein battery management control modules is used for when electronic equipment need charge, and triggers charging module electric core is charged, and when electronic equipment need discharge, triggers discharge module electric core is discharged.
The charging module of electronic equipment to the charging of electric core the time, when busbar voltage is higher than the rated voltage of electric core, by busbar voltage directly to electric core charging; When busbar voltage is lower than the rated voltage of electric core, then earlier busbar voltage is boosted, be elevated on the rated voltage of the electric core of series connection and/or back in parallel, more electric core is charged.When discharge module discharges electric core, can directly electric core be connected in the load,, also can be earlier the discharge voltage of electric core be controlled in the scope of back terminal voltage (input voltage of load) electric, voltage after will controlling is connected in the load, to electric.
Electronic equipment for example shown in Figure 1, the charging signals end of battery management module is connected with charging module, the discharge signal end is connected with discharge module, when electronic equipment need charge, battery management module is by the charging signals end, and the voltage that triggers after charging module utilization charging boost module boosts to busbar voltage charges to electric core; When electronic equipment need discharge, battery management control modules triggered discharge module electric core is discharged by the discharge signal end, need discharge voltage be controlled in the scope of back terminal voltage by the discharge control module when electric core discharges.In the ordinary course of things, busbar voltage is powered to the operational module in the electronic equipment, such as administration module (MANAGEMENT) etc.
In the process to prior art practice and research, the present inventor finds:
Need boost to busbar voltage by the charging boost module to the charging voltage of electric core in the existing electronic equipment and control, and the discharge voltage of the electric core control module that also needs to discharge is controlled.This has just increased the complexity of circuit in the electronic equipment.
Summary of the invention
The embodiment of the invention provides a kind of electronic equipment and charging/discharging thereof thereof, has simplified the circuit in the electronic equipment.
A kind of electronic equipment that the embodiment of the invention provides, comprise that charging module, discharge module, electric core module and electric core are connected adjusting module, described electric core module comprises at least two economize on electricity cores, and described electric core connects adjusting module and comprises independently electric core link, charging voltage incoming end and discharge voltage output more than four;
Electric core positive and negative terminal in the described electric core module is connected adjusting module respectively with described electric core two electric core links connect; The charging voltage incoming end that described electric core connects adjusting module is connected with described charging module; Described discharge voltage output is connected with described discharge module;
Described electric core connects adjusting module, and being used for needs charge or discharge when electronic equipment, or the electronic equipment charging is adjusted described at least two series connection of economize on electricity cores and/or connections in parallel according to the strategy that presets when finishing;
Described charging module is used for by described charging voltage incoming end electric core being charged;
Described discharge module is used for by described discharge voltage output electric core being discharged.
The charging/discharging thereof of the electronic equipment that the embodiment of the invention provides comprises:
Need charge or discharge at electronic equipment, or electronic equipment charging is when finishing, the strategy that presets according to described electronic equipment is adjusted the series connection and/or the connection in parallel of electric core in the described electronic equipment;
According to the rated voltage of adjusting after connecting electric core is carried out charge or discharge.
Electronic equipment has comprised that electric core connects adjusting module in the embodiment of the invention, need charge or discharge at electronic equipment, or charge when finishing, adjust electric core series connection and/or connection in parallel according to the strategy that electronic equipment presets, the strategy that wherein presets comprises: when electronic equipment need charge, adjust rated voltage after electric core connects less than busbar voltage, when electronic equipment need discharge, adjust rated voltage after electric core connects in the scope of back terminal voltage, connect adjusting module by electric core like this and can change the rated voltage after the electric core connection in the electronic equipment, make electronic equipment when charging, by charging module is electric core charging with busbar voltage directly, when discharge, directly electric core is discharged by discharge module, simplified the charging boost module and the stable discharge control module of terminal voltage afterwards of rising busbar voltage in the prior art.
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, apparently, accompanying drawing in describing below only 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 structural representation of electronic equipment in the prior art;
Fig. 2 is the structural representation of the electronic equipment that provides of the embodiment of the invention;
Fig. 3 is the structural representation that a kind of electric core connects adjusting module in the embodiment of the invention;
Fig. 4 is the structural representation that another kind of electric core connects adjusting module in the embodiment of the invention;
Fig. 5 is the structural representation that another electric core connects adjusting module in the embodiment of the invention;
Fig. 6 is the structural representation that another electric core connects adjusting module in the embodiment of the invention;
Fig. 7 is the flow chart of the charging/discharging thereof of a kind of electronic equipment of providing of the inventive method embodiment;
Fig. 8 is the flow chart of the adjustment electricity core method of attachment that provides of the inventive method embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
A kind of electronic equipment that the embodiment of the invention provides, comprise that charging module, discharge module, electric core module and electric core are connected adjusting module, described electric core module comprises at least two economize on electricity cores, and described electric core connects adjusting module and comprises independently electric core link, charging voltage incoming end and discharge voltage output more than four;
Electric core positive and negative terminal in the described electric core module is connected adjusting module respectively with described electric core two electric core links connect; The charging voltage incoming end that described electric core connects adjusting module is connected with described charging module; Described discharge voltage output is connected with described discharge module;
Described electric core connects adjusting module, and being used for needs charge or discharge when electronic equipment, or the electronic equipment charging is adjusted described at least two series connection of economize on electricity cores and/or connections in parallel according to the strategy that presets when finishing;
Described charging module is used for by described charging voltage incoming end electric core being charged;
Described discharge module is used for by described discharge voltage output electric core being discharged.
Following mask body is introduced module in the electronic equipment and the relation between the module:
A kind of embodiment of electronic equipment, structural representation as shown in Figure 2, comprise charging module 10, discharge module 11, battery management control modules 12 and electric core module 13, comprise that with electric core module 13 four economize on electricity cores are the example explanation in the present embodiment, as being electric core 13-1 among the figure to electric core 13-4, electronic equipment comprises that also electric core connects adjusting module 15, and this electricity core connects adjusting module 15 and comprises independently electric core link more than four (in the present embodiment be example explanation with eight electric core links), charging voltage incoming end and discharge voltage output; The independently electric core link here is meant that electric core link does not connect each other.
The electricity core connects adjusting module 15, is used for determining that electronic equipment needs charge or discharge, or the electronic equipment charging is adjusted four series connection of economize on electricity cores and/or connections in parallel according to the strategy that electronic equipment presets when finishing;
The described strategy that presets include but not limited to following at least one: when electronic equipment need charge, four economize on electricity cores series connection of adjustment and/or the rated voltage after the parallel connection were less than busbar voltage; When electronic equipment need discharge, four economize on electricity core series connection of adjustment and/or the rated voltage after the parallel connection were in the scope of back terminal voltage; When electronic equipment is finished when discharge, four joint series connection of adjustment and/or rated voltage and the busbar voltage after the parallel connection equate, or rated voltage is in 10% the scope up and down of busbar voltage; When the discharge voltage of electronic equipment less than after the minimum value of terminal voltage, four economize on electricity cores series connection of adjustment and/or be connected in parallel after load voltage value greater than the minimum value of back terminal voltage; When electronic equipment need discharge, the number in parallel of four economize on electricity cores of adjustment was bigger etc. than serial number.
Be appreciated that, the electricity core connects adjusting module 15 when adjusting the connection of electric core, can connect described independently electric core link by the selector switch of simulation or external switch etc., for example: electric core 13-1 is carried out parallel connection to electric core 13-3 connect with electric core 13-4 again, then will connect electric core 13-1 and be linked to be end points a to the electric core link of electric core 13-3 positive pole, be linked to be end points b with connecting the electric core link of electric core 13-1 to electric core 13-3 negative pole, and with end points b and the electric core link connection that is connected electric core 13-4 positive pole, and end points a is connected respectively to discharge voltage output or charging voltage input with the electric core link that is connected electric core 13-4 negative pole.
As seen, electronic equipment has comprised that electric core connects adjusting module 15 in the embodiment of the invention, adjust electric core series connection and/or connection in parallel according to the strategy that presets in the electronic equipment, connect adjusting module 15 by electric core like this and can change the rated voltage after the electric core connection in the electronic equipment, make electronic equipment when charging, can be electric core charging directly by charging module 10 by charging voltage incoming end busbar voltage, and electronic equipment is when discharge, directly electric core is discharged by the discharge voltage output by discharge module 11, simplified the charging boost module and the stable discharge control module of terminal voltage afterwards of rising busbar voltage in the prior art;
Further, the electronic equipment of the embodiment of the invention is when utilizing electric core to carry out other processing, when voltage did not satisfy, electric core connects adjusting module 15 can also preset the connection that strategy is adjusted electric core series connection and/or parallel connection according to other, simplifies the module that satisfies other processes voltage in the prior art.In a word, the electronic equipment that provides of the embodiment of the invention can be simplified the circuit structure of electronic equipment in the prior art.
As shown in Figure 3, among a kind of embodiment of electronic equipment of the present invention, electric core connects adjusting module 15 and can comprise: first signal obtains module 150, is used to obtain the signal that described electronic equipment need charge;
When the signal that electron gain equipment need charge, first signal obtains module 150 can be according to the strategy of electronic equipment, other module from electronic equipment receives, as when battery management control modules 12 learns that electronic equipment need charge, by the signal that charging signals end 1 output electronic equipment need charge, first electronic signal obtains 150 of modules can receive the signal that electronic equipment need charge from charging signals end 1.Can also obtain by other method.
When calculating, first computing module 151 can be connected electric core and/or combination in parallel at random, and each combination is a kind of connected mode, and calculate load voltage value after at least a combination, here be the load voltage value that calculates a kind of connected mode, the load voltage value that still calculates whole connected modes is by default.Such as: the default of electronic equipment only calculates a kind of load voltage value of connected mode, suppose that connected mode one connects with electric core 13-4 for electric core 13-1 carries out parallel connection to electric core 13-3 again, connected mode two be electric core 13-1 and electric core 13-3 parallel connection again with electric core 13-2 and electric core 13-4 series connection etc., the rated voltage that electric core 13-1 arrives electric core 13-4 is identical all to be A, and then the load voltage value of first computing module, 151 calculating is 2A or 3A.
Be appreciated that, first adjusting module 153 is when adjusting the connection of electric core, can connect described independently electric core link by the selector switch of simulation or external switch etc., for example: less than the connected mode of the load voltage value correspondence of busbar voltage be electric core 13-1 to electric core 13-3 carry out parallel connection again with electric core 13-4 series connection, then first adjusting module 153 will connect electric core 13-1 and be linked to be end points a to the electric core link of electric core 13-3 positive pole, be linked to be end points b with connecting the electric core link of electric core 13-1 to electric core 13-3 negative pole, and end points b and the electric core link that is connected electric core 13-4 positive pole connected, and end points a and the electric core link that is connected electric core 13-4 negative pole are as output or the charging input end of discharging.
If being set at of above-mentioned electronic equipment: first computing module 151 is not the load voltage value that calculates after electric core connects according to the connected mode of whole combinations, then first comparison module 152 is at relatively load voltage value during greater than busbar voltage, can notify first computing module 151 to calculate load voltage value after electric core is connected and/or is connected in parallel according to other connected mode again.Such as being set at of: electronic equipment: first computing module 151 calculates the load voltage value after electric core connects according to a kind of connected mode, if first computing module 151 has calculated the load voltage value after electric core connects according to above-mentioned connected mode one, then first comparison module 152 is at relatively load voltage value during greater than busbar voltage, notifies first computing module 151 to calculate the load voltage value of electric core after according to the connection of the connected mode except that connected mode one again.
In the electronic equipment under above-mentioned a kind of concrete condition, battery management control modules 12 is connected the signal that adjusting module 15 charges if desired according to the tactful electron gain equipment of electronic equipment with electric core, connect the connection that adjusting module 15 is adjusted more pieces electricity cores by electric core, the rated voltage after making electric core connect is less than busbar voltage; And battery management control modules 12 triggers charging module 10 and utilizes the electric core after busbar voltage connects first adjusting module, 153 adjustment in the electric core connection adjusting module 15 to charge by charging signals end 1.
As shown in Figure 4, under another kind of concrete condition, described electric core connects adjusting module 15 and comprises:
Secondary signal obtains module 215, is used to obtain the signal that described electronic equipment need discharge;
When the signal that electron gain equipment need discharge, secondary signal obtains module 215 can be according to the strategy of electronic equipment, other module from electronic equipment receives, as when battery management control modules 12 learns that electronic equipment need discharge, by the signal that discharge signal end 2 output electronic equipments need discharge, second electronic signal obtains 150 of modules can receive the signal that electronic equipment need discharge from discharge signal end 2.Can also obtain by other method.
When calculating, second computing module 315 can be connected electric core and/or combination in parallel at random, and each combination is a kind of connected mode, and calculate load voltage value after at least a combination, here be the load voltage value that calculates a kind of connected mode, the load voltage value that still calculates whole connected modes is by default.
The concrete method of adjustment here is identical with the method that above-mentioned first adjusting module 153 is adjusted, and here repeats no more.
Be appreciated that load voltage value here is meant that in the scope of back terminal voltage load voltage value is less than or equal to the maximum of back terminal voltage, and more than or equal to the minimum value of back terminal voltage.If second comparison module 415 load voltage value relatively is not in the scope of back terminal voltage the time, and being set at of electronic equipment: second computing module 315 is not the load voltage value that calculates after electric core connects according to the connected mode of whole combinations, and then second comparison module 415 can notify second computing module 315 to calculate load voltage value after electric core is connected and/or is connected in parallel according to other method of attachment again.
Alternatively, electric core connects adjusting module 15 and also comprises: voltage comparison module 615 is used for the discharge voltage of described electronic equipment and the minimum value of back terminal voltage are compared;
The 3rd computing module 715 is used for calculating the load voltage value after described electric core is connected and/or is connected in parallel according at least a connected mode as described voltage comparison module 615 result relatively when being described discharge voltage less than the minimum value of back terminal voltage; Method when calculating is similar with the computational methods of above-mentioned second computing module 315.
Described second comparison module 415 also is used for the load voltage value that described the 3rd computing module 715 calculates is compared with the back terminal voltage, if the discharge voltage that calculates during less than the minimum value of back terminal voltage, can also notify the 3rd computing module 715 to calculate the load voltage value that electric core connects according to other connected mode.
In the electronic equipment under above-mentioned another kind of concrete condition, battery management control modules 12 is connected the signal that adjusting module 15 discharges if desired according to the tactful electron gain equipment of electronic equipment with electric core, connect the connection that adjusting module 15 is adjusted more pieces electricity cores by electric core, the rated voltage after making electric core connect does not exceed the scope of back terminal voltage; And battery management control modules 12 is by discharge signal end 2, triggers 11 pairs of electric cores of discharge module and connects the electric core that second adjusting module 515 in the adjusting modules 15 adjusts after connecting and discharge.
As shown in Figure 5, in another embodiment, described electric core connects adjusting module 15 and comprises:
The 3rd signal obtains module 115, is used to obtain the signal that described electronic equipment need discharge;
When the signal that electron gain equipment need discharge, the 3rd signal obtains module 115 can be according to the strategy of electronic equipment, receive from other module of electronic equipment, as when battery management control modules 12 learns that electronic equipment need discharge, by the signal that discharge signal end 2 output electronic equipments need discharge, second electronic signal obtains 150 of modules can receive the signal that electronic equipment need discharge from discharge signal end 2.Can also obtain by other method.
The 3rd adjusting module 125 is used for N electric core in the described more piece electricity core being connected in parallel, and being connected in series with all the other M electric cores when described the 3rd signal obtains module 115 and receives the signal that described electronic equipment need discharge, and described N is greater than M.
Alternatively, electric core connects adjusting module 15 and also comprises: whether determination module 135, the discharge voltage that is used for determining described electronic equipment be less than the minimum value of back terminal voltage, or whether the discharge time of described electronic equipment is consistent with the time of presetting;
The 4th adjusting module 145, be used for when described determination module 135 is determined described discharge voltages less than the minimum value of back terminal voltage, or the discharge time of described electronic equipment is when consistent with the time of presetting, X electric core in the described more piece electricity core is connected in parallel, and be connected in series with all the other Y electric cores, described X is less than Y.
In this case, it is when electronic equipment need discharge that electric core connects adjusting module 15,, how also to lack the connection that the connected modes of going here and there are adjusted electric core can evade like this when an excessive risk of instantaneous voltage by the 3rd adjusting module 125; When the discharge voltage of electronic equipment can not satisfy the back terminal voltage, or at electronic equipment after discharge a period of time, by the 4th adjusting module 145 with many strings less and connected mode adjust the connection of electric core, can increase charging time like this.
As shown in Figure 6, under another concrete condition, described electric core connects adjusting module 15 and comprises:
The 4th signal obtains module 251, is used to obtain the signal that described electronic equipment charging is finished;
When electron gain equipment is finished the signal of charging, the 4th signal obtains module 25 can be according to the strategy of electronic equipment, receive from other module of electronic equipment, when learning that when charging module 10 electronic equipment charging is finished, the signal that the prize charging is finished sends to second electronic signal and obtains module 150, can also obtain by other method.
The 4th computing module 351, be used for when the described electronic equipment of described the 4th signal acquisition module 251 acquisitions charges the signal of finishing, calculate the load voltage value after described electric core is connected and/or is connected in parallel according at least a connected mode, and at least one load voltage value that will calculate is passed to the 4th comparison module 451;
When calculating, the 4th computing module 351 can be connected electric core and/or combination in parallel at random, and each combination is a kind of connected mode, and calculate load voltage value after at least a combination, here be the load voltage value that calculates a kind of connected mode, the load voltage value that still calculates whole connected modes is by default.
The 4th comparison module 451 is used for load voltage value and busbar voltage that described the 4th computing module 351 calculates are compared;
The 5th adjusting module 551, be used for when described the 4th comparison module 451 load voltage value relatively equate with busbar voltage or up and down 10% the scope of load voltage value in busbar voltage in the time, equate with busbar voltage according to this, or the load voltage value correspondence in 10% scope up and down of busbar voltage, electric core series connection and/or connected mode in parallel are adjusted the connection of described more piece electricity core.
Be appreciated that, if the 4th comparison module 451 load voltage value and busbar voltage relatively is unequal, or load voltage value is when busbar voltage is up and down in 10% the scope, and the 4th comparison module 451 can notify the 4th computing module 351 to calculate load voltage value after electric core is connected and/or is connected in parallel according to other connected mode again.
In this case, when the electronic equipment charging is finished, to obtain the signal that module 251 obtains charging and finishes by the 4th signal, and adjust the series connection and/or the parallel connection of electric core by the 4th computing module 351, the 4th comparison module 451 and the 5th adjusting module 551, make the rated voltage of adjusted series connection and/or electric core in parallel equate or approximately equal with busbar voltage.After can preventing that like this electronic equipment charging from finishing, the pouring in down a chimney of electric core electric current.
Method embodiment
A kind of charging/discharging thereof, flow chart comprise as shown in Figure 7:
Step 101, need charge or discharge at electronic equipment, or the electronic equipment charging is when finishing, the strategy that presets according to electronic equipment is adjusted the series connection and/or the connection in parallel of electric core in the described electronic equipment;
Step 102, electric core is carried out charge or discharge according to the rated voltage after adjust connecting.
The described strategy that presets include but not limited to following at least one: when electronic equipment need charge, adjust rated voltage after series connection of electric core and/or the parallel connection less than busbar voltage; When electronic equipment need discharge, adjust rated voltage after series connection of electric core and/or the parallel connection in the scope of back terminal voltage; Finish when discharge when electronic equipment, rated voltage and the busbar voltage adjusted after series connection and/or the parallel connection equate, or rated voltage is in 10% the scope up and down of busbar voltage; When the discharge voltage of electronic equipment less than after the minimum value of terminal voltage, adjust electric core series connection and/or be connected in parallel after load voltage value greater than the minimum value of back terminal voltage; When electronic equipment need discharge, the number in parallel of adjusting electric core was bigger etc. than serial number.
With reference to Fig. 8, series connection and/or connection in parallel that the strategy that presets according to described electronic equipment in the step 101 in a specific embodiment is adjusted electric core in the described electronic equipment specifically comprise:
The load voltage value that step 111, the electric core of calculating are connected and/or are connected in parallel according at least a connected mode;
When calculating, can at random electric core be connected and/or combination in parallel, and each combination is a kind of connected mode, and calculate load voltage value after at least a combination, here be the load voltage value that calculates a kind of connected mode, the load voltage value that still calculates whole connected modes is by default.
Step 121, described load voltage value and busbar voltage or back terminal voltage are compared, when result relatively satisfies described preset tactful, execution in step 131; When relatively result does not satisfy described preset tactful, return step 111,, calculate the load voltage value that electric core is connected and/or is connected in parallel according to other connected mode.
When definite electronic equipment need charge, load voltage value and the busbar voltage of calculating compared, when less than busbar voltage, then satisfy the strategy that presets, execution in step 131; When electronic equipment need discharge, with the load voltage value that calculates and rear end voltage ratio, in the scope of back terminal voltage, the then satisfied strategy that presets, execution in step 131 etc.
Step 131, according to this load voltage value correspondence that satisfies the strategy preset, connected mode adjusts the series connection and/or the connection in parallel of described electric core.
As seen, electronic equipment has comprised that electric core connects adjusting module in the embodiment of the invention, need charge or discharge at electronic equipment, or charge when finishing, adjust electric core series connection and/or connection in parallel according to the strategy that electronic equipment presets, the strategy that wherein presets comprises: when electronic equipment need charge, adjust rated voltage after electric core connects less than busbar voltage, when electronic equipment need discharge, adjust rated voltage after electric core connects in the scope of back terminal voltage, connect adjusting module by electric core like this and can change the rated voltage after the electric core connection in the electronic equipment, make electronic equipment when charging, by charging module is electric core charging with busbar voltage directly, when discharge, directly electric core is discharged by discharge module, simplified the charging boost module and the stable discharge control module of terminal voltage afterwards of rising busbar voltage in the prior art;
Further, the electronic equipment of the embodiment of the invention is when utilizing electric core to carry out other processing, when voltage did not satisfy, electric core connects adjusting module 15 can also preset the connection that strategy is adjusted electric core series connection and/or parallel connection according to other, simplifies the module that satisfies other processes voltage in the prior art.In a word, the electronic equipment that provides of the embodiment of the invention can be simplified the circuit structure of electronic equipment in the prior art.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
More than electronic equipment and charging/discharging thereof thereof that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. electronic equipment, comprise charging module, discharge module and electric core module, described electric core module comprises at least two economize on electricity cores, it is characterized in that, described electronic equipment comprises that also electric core connects adjusting module, and described electric core connects adjusting module and comprises independently electric core link, charging voltage incoming end and discharge voltage output more than four;
Electric core positive and negative terminal in the described electric core module is connected adjusting module respectively with described electric core two electric core links connect; The charging voltage incoming end that described electric core connects adjusting module is connected with described charging module; Described discharge voltage output is connected with described discharge module; Described charging module is connected with bus by the busbar voltage interface with discharge module;
Described electric core connects adjusting module, is used for adjusting described at least two series connection of economize on electricity core and/or connections in parallel according to the strategy that presets; The described strategy that presets comprise following at least one: when electronic equipment need charge, the rated voltage after series connection of the electric core of adjustment and/or the parallel connection was less than busbar voltage; When electronic equipment need discharge, the electric core series connection of adjustment and/or the rated voltage after the parallel connection were in the scope of back terminal voltage, and described back terminal voltage is the input voltage of discharge load; When electronic equipment is finished when discharge, the series connection of adjustment and/or the rated voltage after the parallel connection and busbar voltage equate, or rated voltage is in 10% the scope up and down of busbar voltage; When the discharge voltage of electronic equipment less than after the minimum value of terminal voltage, the electric core series connection of adjustment and/or be connected in parallel after load voltage value greater than the minimum value of back terminal voltage; When electronic equipment need discharge, the number in parallel of the electric core of adjustment was bigger than serial number; When the discharge voltage of electronic equipment less than after the minimum value of terminal voltage, or discharge time is consistent with the time of presetting, the serial number of the electric core of adjustment is bigger than number in parallel;
Described charging module is used for by described charging voltage incoming end electric core being charged;
Described discharge module is used for by described discharge voltage output electric core being discharged.
2. electronic equipment as claimed in claim 1 is characterized in that, described electric core connects adjusting module and comprises: first signal obtains module, is used to obtain the signal that described electronic equipment need charge;
First computing module, be used for when described first signal obtains module and obtains signal that described electronic equipment need charge, calculate the load voltage value after described electric core is connected and/or is connected in parallel according at least a connected mode, and at least one load voltage value that will calculate is passed to first comparison module and is compared;
First comparison module is used for load voltage value and busbar voltage that described first computing module calculates are compared;
First adjusting module is used for when described first comparison module load voltage value relatively during less than busbar voltage, and less than the load voltage value correspondence of busbar voltage, electric core series connection and/or connected mode in parallel are adjusted the connection of described more piece electricity core according to this.
3. electronic equipment as claimed in claim 1 is characterized in that, described electric core connects adjusting module and comprises: secondary signal obtains module, is used to obtain the signal that described electronic equipment need discharge;
Second computing module, be used for when described secondary signal obtains module and obtains signal that described electronic equipment need discharge, calculate the load voltage value after described electric core is connected and/or is connected in parallel according at least a connected mode, and at least one load voltage value that will calculate is passed to second comparison module and is compared;
Second comparison module, the load voltage value that is used for described second computing module is calculated compares with the back terminal voltage;
Second adjusting module, be used for when described second comparison module load voltage value relatively is in the scope of back terminal voltage, in the load voltage value correspondence of back in the voltage reference terminal, electric core series connection and/or connected mode in parallel are adjusted the connection of described more piece electricity core according to this.
4. electronic equipment as claimed in claim 3 is characterized in that, described electric core connects adjusting module and also comprises:
Voltage comparison module is used for the discharge voltage of described electronic equipment and the minimum value of back terminal voltage are compared;
The 3rd computing module, when being used for result when described voltage comparison module comparison and being described discharge voltage less than the minimum value of back terminal voltage, calculate the load voltage value after described electric core is connected and/or is connected in parallel according at least a connected mode, and at least one load voltage value that will calculate is passed to second comparison module and is compared;
The load voltage value that described second comparison module also is used for described the 3rd computing module is calculated compares with the back terminal voltage.
5. electronic equipment as claimed in claim 1 is characterized in that, described electric core connects adjusting module and comprises:
The 3rd signal obtains module, is used to obtain the signal that described electronic equipment need discharge;
The 3rd adjusting module is used for N electric core in the described more piece electricity core being connected in parallel, and being connected in series with all the other M electric cores when described the 3rd signal obtains module and receives the signal that described electronic equipment need discharge, and described N is greater than M.
6. as each described electronic equipment of claim 3 to 5, it is characterized in that described electric core connects adjusting module and also comprises:
Whether determination module, the discharge voltage that is used for determining described electronic equipment be less than the minimum value of back terminal voltage, or whether the discharge time of described electronic equipment is consistent with the time of presetting;
The 4th adjusting module, be used for when described determination module determine described discharge voltage less than the back terminal voltage minimum value the time, or the discharge time of described electronic equipment is when consistent with the time of presetting, X electric core in the described more piece electricity core is connected in parallel, and be connected in series with all the other Y electric cores, described X is less than Y.
7. electronic equipment as claimed in claim 1 is characterized in that, described electric core connects adjusting module and comprises:
The 4th signal obtains module, is used to obtain the signal that described electronic equipment charging is finished;
The 4th computing module, be used for when described the 4th signal obtains module and obtains signal that described electronic equipment charging finishes, calculate the load voltage value after described electric core is connected and/or is connected in parallel according at least a connected mode, and at least one load voltage value that will calculate is passed to the 4th comparison module and is compared;
The 4th comparison module is used for load voltage value and busbar voltage that described the 4th computing module calculates are compared;
The 5th adjusting module, be used for equating with busbar voltage when described the 4th comparison module load voltage value relatively, or load voltage value relatively is in 10% the scope up and down of busbar voltage the time, equate with busbar voltage according to this, or the load voltage value correspondence in 10% scope up and down of busbar voltage, electric core series connection and/or connected mode in parallel are adjusted the connection of described more piece electricity core.
8. the charging/discharging thereof of an electronic equipment is characterized in that, comprising:
Adjust the series connection of electric core in the described electronic equipment and/or the connection of parallel connection according to the strategy that electronic equipment presets;
According to the rated voltage of adjusting after connecting electric core is carried out charge or discharge;
The described strategy that presets comprise following at least one: when electronic equipment need charge, adjust rated voltage after series connection of electric core and/or the parallel connection less than busbar voltage; When electronic equipment need discharge, adjust rated voltage after series connection of electric core and/or the parallel connection in the scope of back terminal voltage, described back terminal voltage is the input voltage of discharge load; Finish when discharge when electronic equipment, rated voltage and the busbar voltage adjusted after series connection and/or the parallel connection equate, or rated voltage is in 10% the scope up and down of busbar voltage; When the discharge voltage of electronic equipment less than after the minimum value of terminal voltage, adjust electric core series connection and/or be connected in parallel after load voltage value greater than the minimum value of back terminal voltage; When electronic equipment need discharge, the number in parallel of adjusting electric core was bigger than serial number; When the discharge voltage of electronic equipment less than after the minimum value of terminal voltage, or discharge time is consistent with the time of presetting, the serial number of the electric core of adjustment is bigger than number in parallel.
9. method as claimed in claim 8 is characterized in that, series connection and/or connection in parallel that the described strategy that presets according to described electronic equipment is adjusted electric core in the described electronic equipment comprise:
Calculate the load voltage value that electric core is connected and/or is connected in parallel according at least a connected mode;
Described load voltage value and busbar voltage or back terminal voltage are compared, when relatively result satisfies described preset tactful, according to this load voltage value correspondence that satisfies the strategy preset, connected mode adjusts the series connection and/or the connection in parallel of described electric core.
10. method as claimed in claim 9 is characterized in that, also comprises: when relatively result does not satisfy described preset tactful, calculate the load voltage value that electric core is connected and/or is connected in parallel according to other connected mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101375441A CN101557123B (en) | 2009-05-05 | 2009-05-05 | Electric equipment and charging and discharging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101375441A CN101557123B (en) | 2009-05-05 | 2009-05-05 | Electric equipment and charging and discharging method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101557123A CN101557123A (en) | 2009-10-14 |
| CN101557123B true CN101557123B (en) | 2011-04-13 |
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| CN2009101375441A Expired - Fee Related CN101557123B (en) | 2009-05-05 | 2009-05-05 | Electric equipment and charging and discharging method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102082307B (en) * | 2010-12-31 | 2013-08-07 | 华为技术有限公司 | Method and system for parallel use of lithium battery modules |
| CN104701580A (en) * | 2013-12-10 | 2015-06-10 | 联想(北京)有限公司 | Battery and power supply switching method |
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