CN114389334B - Notebook charger for prolonging service life of battery - Google Patents
Notebook charger for prolonging service life of battery Download PDFInfo
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- CN114389334B CN114389334B CN202111564503.8A CN202111564503A CN114389334B CN 114389334 B CN114389334 B CN 114389334B CN 202111564503 A CN202111564503 A CN 202111564503A CN 114389334 B CN114389334 B CN 114389334B
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 72
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000005611 electricity Effects 0.000 claims abstract description 39
- 238000012544 monitoring process Methods 0.000 claims description 31
- 238000004364 calculation method Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 238000011084 recovery Methods 0.000 claims description 13
- 230000002159 abnormal effect Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application relates to a notebook charger for prolonging the service life of a battery, which aims to solve the technical problems that a notebook operator cannot know the charging progress of the battery, the battery is in an overcharged state when the battery is charged continuously after being charged fully, and the service life of the battery is influenced; the direct current output end is provided with the electric quantity detection device that is used for detecting battery residual electric quantity, and the control unit includes data conversion module and display control module, and data conversion module connects in electric quantity detection device in order to convert the battery residual electric quantity that electric quantity detection device detected into the percentage of battery total electric quantity, and display control module electricity is connected with data display device in order to show the percentage of battery total electric quantity through data display device. The application has the effect of prolonging the service life of the battery.
Description
Technical Field
The application relates to the field of power supply equipment, in particular to a notebook charger capable of prolonging the service life of a battery.
Background
In order to facilitate carrying and going out for office work, a general notebook computer is generally provided with a battery, and the notebook computer needs a notebook charger to supply power whether the battery is charged or powered by a power supply.
In the related art, chinese patent with publication number CN102751758a discloses a notebook charger, which includes: the conversion circuit box is provided with a charging indicator lamp and a control unit inside; the spiral power line is respectively connected with the input end and the output end of the conversion circuit box; a speaker connected to a control unit in the conversion circuit box; in addition, an annular LED indicator lamp is arranged on an output interface of the notebook charger. Through the structure, the output interface of the notebook charger has a charging indication function, and meanwhile, the connecting wire of the notebook charger has a free telescopic function.
In using the above charger, the inventors found that there are at least the following problems in this technique: in the process of charging the notebook battery, an operator cannot know the charging progress, so that the charger is always in a charging state, and the battery is still in an overcharged state after being charged fully, so that the service life of the battery is influenced.
Disclosure of Invention
In order to facilitate the improvement of the service life of the battery, the application provides a notebook charger for improving the service life of the battery.
The notebook charger for prolonging the service life of the battery provided by the application adopts the following technical scheme:
The notebook charger comprises a protective shell, wherein a power conversion module and a control unit are arranged in the protective shell, the control unit is used for controlling the power conversion module to perform power conversion, and the power conversion module is provided with an alternating current input end and a direct current output end; the direct current output end is provided with the electric quantity detection device for detecting the residual electric quantity of the battery, the control unit comprises a data conversion module and a display control module, the data conversion module is connected with the electric quantity detection device to convert the residual electric quantity of the battery detected by the electric quantity detection device into the percentage of the total electric quantity of the battery, and the display control module is electrically connected with a data display device to display the percentage of the total electric quantity of the battery through the data display device.
By adopting the technical scheme, in the process that the power conversion module is controlled by the control unit to supply power to the computer and charge the battery, the electric quantity detection device arranged at the direct current output end of the power conversion module can detect the residual electric quantity of the battery, and the residual electric quantity of the battery can be accumulated continuously until the battery is full in the process of charging the battery; and the parameter that electric quantity detection device detected is transmitted to display control device after data conversion module conversion, and display control device control data display device shows the data, and the user of being convenient for can learn the progress of charging of battery at the in-process that uses the charger to in time pull out the charger when the battery is full, prevent that the battery from overcharging and the battery life who leads to reduces, prolonged the life of battery effectively.
In a specific embodiment, the control unit further includes a stored electricity amount calculating module electrically connected to the electricity amount detecting device, the stored electricity amount calculating module is configured to calculate a stored electricity amount rate periodically based on an increase value of the remaining electricity amount of the battery in a unit time, and the control unit further includes a charging time prediction module electrically connected to the stored electricity amount calculating module, and the charging time prediction module is electrically connected to the display control device to calculate a remaining charging time through the remaining electricity amount of the battery and the stored electricity amount rate and display the remaining charging time through the data display device.
Through adopting above-mentioned technical scheme, deposit electric quantity calculation module calculates through the increase value to the battery residual capacity in the unit time to can obtain the deposit electric quantity speed under the battery current state, power that charges for the battery is shared to the power conversion module promptly, under the prerequisite of this deposit electric quantity speed, combine the capacity of battery, can calculate and obtain the remaining charge time that is fully charged with the battery, and show through data display device, so that the user can learn how long just can be fully charged with the battery, the user of being convenient for knows, convenience of customers uses.
In a specific embodiment, the control unit further includes an actual usage power consumption calculation module electrically connected to the stored electricity amount calculation module, and the actual usage power consumption calculation module is electrically connected to the data display device, so as to calculate the actual usage power consumption and the predicted working time of the battery under the actual usage power consumption through the rated output power and the stored electricity amount rate of the power conversion module, and display the estimated working time through the data display device.
By adopting the technical scheme, the actual use power consumption calculation module can calculate the actual use power consumption based on the rated output power and the storage power rate of the power supply conversion module, and the actual use power consumption of the computer in the current state can be calculated because the electric energy remained after the rated output power is converted into the actual practical power consumption of the computer is stored in the battery, and the battery predicted working time of the battery under the current actual use power consumption can be calculated based on the actual use power consumption, so that the reference is convenient for a user.
In a specific possible embodiment, the control unit further includes a power adjustment module electrically connected to the actual usage power consumption calculation module, and the power adjustment module is configured to control the power conversion module to use the actual usage power consumption as the output power value when the remaining battery level reaches a full charge.
By adopting the technical scheme, when the residual electric quantity of the battery reaches full charge, the power conversion module can be controlled to output power by taking actual use power consumption as an output power value, and at the moment, the power output by the power conversion module can just maintain the normal operation of a computer without redundant electric energy to charge the battery, so that the phenomenon of overcharging of the battery can not occur, and the service life of the battery is prolonged; on the other hand, the power supply conversion module directly supplies power to the computer, so that the battery can be in a saturated state, and the battery can be taken away for use immediately when the user needs to carry.
In a specific embodiment, the control unit further includes a state of charge monitoring module electrically connected to the power detection device, and the state of charge monitoring module is electrically connected to the power conversion module to stop the power supply of the power conversion module when the remaining battery power is always in a full charge state for a preset time so as to supply power through the battery.
Through adopting above-mentioned technical scheme, when power conversion module is direct for the computer power supply for a long time, the battery does not have the electric energy and supplements, and the battery is idle for a long time can have the loss of battery electric energy, if not in time charge can lead to the battery overdischarge, therefore the power supply of state of charge monitoring module stop power conversion module when the battery is in full state of charge and exceeds the time of predetermineeing, turn into and supply power for the computer with the battery to the overdischarge that leads to because of battery electric energy loss has been reduced, then influence battery life's probability.
In a specific embodiment, the control unit further includes a state of charge recovery module connected to the state of charge monitoring module, where the state of charge recovery module is electrically connected to the power conversion module to recover the power supplied by the power conversion module when the remaining battery power reaches a preset value after the state of charge monitoring module controls the power conversion module to stop supplying power.
By adopting the technical scheme, the charging state recovery module recovers the power supply of the power supply conversion module when the residual electric quantity of the battery reaches a preset value, and because the service life of the battery is the complete charging and discharging process of rated times, the parameters of charging and discharging are accumulated continuously, so that the service life of the battery can be occupied if the battery is completely discharged, the waste of charging and discharging times is caused, and the service life of the battery is saved; on the other hand, if the battery is completely discharged to completely no electricity and then is recharged, overdischarge of the battery can be caused, so that the service life of the battery is influenced, and therefore after the battery is in a full charge state, the electric quantity of a preset value is released for recharging, the probability of overdischarge caused by the electric energy loss of the battery is reduced, and the service life of the battery is prolonged.
In a specific embodiment, the control unit further includes a discharge time monitoring module electrically connected to the power detection device, and the discharge time monitoring module is electrically connected to the data display device, so as to calculate a discharge time required for discharging the battery from the full charge state to the preset value of the remaining power, and display the discharge time through the data display device.
By adopting the technical scheme, when the battery is abnormal, the discharge time is shortened, so that the discharge time monitoring module can calculate the discharge time required by the battery from the full charge state to the preset value of the residual electric quantity and control the data display device to display the discharge time, so that the user can refer to the discharge time conveniently; the user can also know the state of the battery when referring to the discharge time, for example, the discharge time is shorter, possibly due to lower room temperature, and the user needs to keep the battery warm to maintain the normal use of the battery.
In a specific embodiment, the control unit further includes an abnormal state alarm module electrically connected to the discharge time monitoring module, and the abnormal state alarm module is configured to calculate a normal discharge time threshold and alarm when the discharge time is lower than the normal discharge threshold.
Through adopting above-mentioned technical scheme, if battery itself goes wrong, the discharge time of battery can shorten sharply, and abnormal state alarm module compares discharge time and normal discharge time threshold value, carries out the demonstration warning when discharge time is less than normal discharge threshold value to the user of being convenient for in time learn the state of battery, thereby overhauls and changes in advance.
In a specific embodiment, the control unit further includes a battery usage number detection module electrically connected to the power detection device, and the battery usage number detection module is electrically connected to the data display device, and is configured to calculate the usage number of the battery based on the remaining power of the battery and display the calculated usage number by the data display device.
By adopting the technical scheme, because the service life of the battery depends on the charge and discharge times of the battery, the battery use time detection module can count a complete charge and discharge process of the battery and display the complete charge and discharge process through the data display device, so that a user can know the service life of the current battery conveniently, and the user can grasp the use state of the battery conveniently.
In a specific embodiment, the control unit further includes a battery life assessment module electrically connected to the battery usage detection module, and the battery life assessment module is electrically connected to the battery usage detection module for calculating an estimated service life of the battery based on the battery usage and the voltage and current of the battery.
By adopting the technical scheme, the service life of the battery and the charge and discharge cycle frequency oil pipe thereof are adopted, so that the battery life evaluation module can calculate the estimated service life of the battery and the residual charge and discharge cycle process of the battery based on the use frequency detected by the battery use frequency detection module and the voltage and current of the battery, and the estimated service life of the battery and the residual charge and discharge cycle process are displayed through the data display device, so that a user can know and refer to the estimated service life of the battery conveniently.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by adopting the technology of matching the power conversion module, the control unit, the direct current output end, the electric quantity detection device, the data conversion module and the display control module, the residual electric quantity of the battery is conveniently displayed to represent the charging progress, so that a user can know that the charger is timely pulled out, and the service life of the battery is prolonged;
2. The service life of the battery is further prolonged by adopting a technology of matching a stored electricity amount calculation module, a charging time prediction module, an actual use power consumption calculation module, a power adjustment module, a charging state monitoring module and a charging state recovery module;
3. by adopting the technology of matching the discharge time monitoring module, the abnormal state alarming module, the battery using frequency detecting module, the battery life evaluating module and the data display device, the residual service life of the battery is conveniently evaluated so as to be convenient for a user to refer to.
Drawings
FIG. 1 is a block diagram of a connection relationship of a notebook charger for improving battery life in an embodiment of the application;
fig. 2 is a block diagram of the connection relationship of the control unit in the embodiment of the present application.
Reference numerals illustrate: 1. a power conversion module; 11. an ac input; 12. a DC output terminal; 121. an electric quantity detection device; 2. a control unit; 21. a data conversion module; 211. a display control module; 2111. a data display device; 22. a stored electricity amount calculation module; 221. a charging time prediction module; 23. the actual use power consumption calculation module; 24. a power adjustment module; 25. a state of charge monitoring module; 26. a state of charge recovery module; 3. a discharge time monitoring module; 31. an abnormal state alarm module; 4. a battery usage number detection module; 41. and a battery life assessment module.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a notebook charger capable of prolonging the service life of a battery. Referring to fig. 1, the notebook charger for improving the service life of a battery includes a protective housing, a power conversion module 1 and a control unit 2 are disposed in the protective housing, the power conversion module 1 is a power adapter with adjustable output voltage, the power conversion module 1 is provided with an ac input end 11 and a dc output end 12, and the ac input to the power conversion module 1 can be transformed, rectified and filtered. The control unit 2 can be a singlechip, and the control unit 2 is used for controlling the power conversion module 1 to perform power conversion, and outputting stable direct current to the notebook battery according to the requirement to supply power.
Referring to fig. 1, the dc output terminal 12 is provided with an electricity amount detecting device 121 for detecting the remaining amount of the battery, and the electricity amount detecting device 121 may be a sampling resistor connected in series between the positive electrode and the negative electrode of the battery and a coulometer for calculating the remaining amount of the battery by detecting the current flowing through the sampling resistor. The control unit 2 includes a data conversion module 21 and a display control module 211, the data conversion module 21 is connected to the power detection device 121, receives the remaining power of the battery from the power detection device 121, and performs data conversion to convert the remaining power of the battery detected by the power detection device 121 into a percentage of the total power of the battery; the display control module 211 is electrically connected with a data display device 2111, the data display device 2111 can be an LED display screen, the data display device 2111 displays the percentage of the total electric quantity of the battery under the control of the display control module, so that a user can know the charging progress conveniently, and therefore power-off measures can be taken in time when the battery is full, and the service life of the battery caused by overcharging of the battery is reduced.
In view of the requirement that the user needs to know the remaining charging time while checking the charging progress, further, referring to fig. 2, the control unit 2 further includes a stored electricity amount calculating module 22 electrically connected to the electricity amount detecting device 121, and the stored electricity amount calculating module 22 calculates an increase value of the remaining amount of electricity of the battery in a unit time according to a preset cycle period at intervals of one cycle, and the calculated parameter is a stored electricity amount rate. The rate of charge is representative of the rate of charge stored during the process of charging the battery after the charger removes power consumption for use in a notebook. The control unit 2 further comprises a charging time prediction module 221 electrically connected to the stored electricity amount calculation module 22, wherein the charging time prediction module 221 can obtain the remaining charging time required for fully filling the notebook battery under the current power consumption of the computer according to the stored electricity amount rate at the remaining electricity amount of the battery; the charging time prediction module 221 is also electrically connected to the display control device, and the charging time prediction module 221 transmits the remaining charging time to the data display device 2111 after calculating the remaining charging time, so as to display the remaining charging time through the data display device 2111.
After knowing the remaining charging time, the user needs to know the battery endurance based on the current state, so further, referring to fig. 2, the control unit 2 further includes an actual usage power consumption calculation module 23 electrically connected to the stored electricity calculation module 22, and the actual usage power calculation module 23 calculates the actual usage power by using the rated output power and the stored electricity rate of the power conversion module 1, where the obtained actual usage power represents the actual power consumption of the computer in the current state. Since the capacity of the battery can be detected by the power detection device 121, the actual-use power consumption calculation module 23 can calculate the estimated operating time of the battery under the actual-use power consumption. To facilitate display of the battery predicted operating time, the actual usage power calculation module 23 is also electrically connected to the data display device 2111 to transmit the battery predicted operating time to the data display device 2111 for display by the data display device 2111.
Further, there is still a risk of possible overcharging, considering that the user may not look at the data display device 2111 all the time, and thus may not be able to power down in time after the battery is full. To further reduce the risk of overcharging, referring to fig. 2, the control unit 2 further comprises a power adjustment module 24 electrically connected to the actual usage power consumption calculation module 23, the power adjustment module 24 being capable of adjusting the output power of the power conversion module 1 according to the requirements. The power adjusting module 24 controls the power conversion module 1 to take the actual power consumption as the output power value when the residual battery capacity reaches the full charge value, and the output power value is just enough to maintain the normal power consumption of the computer, so that no more surplus electric energy can be used for charging the battery, and the risk of the reduction of the service life of the battery caused by the overcharge of the battery is reduced.
Further, in order to reduce the decrease of the battery life caused by the battery being in the full-charged state for a long time, correspondingly, referring to fig. 2, the control unit 2 further includes a charge state monitoring module 25 electrically connected to the power detecting device 121, and the charge state monitoring module 25 can time the state of the remaining power of the battery. The charge state monitoring module 25 is electrically connected to the power conversion module 1, and controls the power conversion module 1 to stop supplying power when the remaining battery power is in a full charge state all the time within a preset time, and then supplies power through the battery, so that the battery can be discharged at this time, and the power conversion module 1 is restarted to supply power until the battery power is discharged, and meanwhile, the battery is charged, so that a discharging period is completed.
Meanwhile, if the battery life is reduced due to frequent overdischarge, correspondingly, referring to fig. 2, the control unit 2 further includes a state of charge recovery module 26 connected to the state of charge monitoring module 25. The state of charge recovery module 26 is capable of detecting the remaining charge of the battery by means of the state of charge monitoring module 25, thereby detecting the discharge state of the battery. Meanwhile, the charging state recovery module 26 is further electrically connected to the power conversion module 1, after the charging state monitoring module 25 controls the power conversion module 1 to stop supplying power, the charging state recovery module 26 monitors the residual battery power, and in the discharging process of the battery, the power conversion module 1 is controlled to recover supplying power when the residual battery power reaches a preset value, and at the moment, the power conversion module 1 recovers supplying power to the computer and charges and stores energy for the battery, so that the damage to the battery when the battery is discharged to thoroughly lose electricity is reduced. The preset value is pre-stored in the state of charge recovery module 26 and may be 80% of the remaining battery power.
In addition, when the service life of the battery is reduced, the discharging time is greatly shortened, so in order to monitor the service life of the battery, correspondingly, referring to fig. 2, the control unit 2 further includes a discharging time monitoring module 3 electrically connected to the electric quantity detecting device 121, and the discharging time monitoring module 3 can count when the battery starts to be discharged in a full charge state, and count when the battery ends to a preset value, and calculate the discharging time. The discharge time monitoring module 3 is further electrically connected to the data display device 2111 so as to display the discharge time through the data display device 2111, so that the user can know the discharge time.
In view of the fact that the user cannot monitor the discharge time in real time, correspondingly, referring to fig. 2, the control unit 2 further includes an abnormal state alarm module 31 electrically connected to the discharge time monitoring module 3, and the abnormal state alarm module 31 is internally provided with a normal discharge threshold value, and is preset according to battery attributes before leaving the factory; the abnormal state alarm module 31 alarms when the discharge time is lower than the normal discharge threshold value, and drives the LED lamp on the data display device 2111 to turn red and intermittently flash to alarm, so as to remind a user of overhauling the battery in time.
In addition, considering that the user cannot know the complete charge and discharge times of the battery, referring to fig. 2, the control unit 2 further includes a battery usage time detection module 4 electrically connected to the power detection device 121, where the battery usage time detection module 4 can count a complete charge and discharge process of the battery, and a complete charge and discharge process refers to a process of accumulating the electricity of the battery to be completely used up and refilled; in order to facilitate the display of the charge and discharge process, the battery usage number detection module 4 is connected to the data display device 2111 so as to display the charge and discharge number through the data display device 2111.
In order to facilitate the user to understand the service life of the battery, correspondingly, referring to fig. 2, the control unit 2 further includes a battery life evaluation module 41 electrically connected to the battery usage frequency detection module 4, and the battery life evaluation module 41 is built with an artificial intelligence evaluation system that is subjected to deep learning, and uses the charge and discharge frequency, the voltage and the current as parameters, and performs training through a large amount of data, so that the estimated service life of the battery can be calculated based on the usage frequency of the battery and the voltage and the current of the battery. The battery life assessment module 41 is also electrically connected to the data display device 2111 to display the estimated life of the battery on the data display device 2111 for reference by the user.
The implementation principle of the notebook charger for prolonging the service life of the battery provided by the embodiment of the application is as follows:
When the user charges the notebook computer by adopting the charger, the control unit 2 controls the power conversion module 1 to convert alternating current, so that the battery is charged while the computer is maintained to run. At this time, the power detection device 121 can detect the remaining power of the battery, and the data conversion module 21 in the control unit 2 converts the data and controls the data display device 2111 to display the remaining power of the battery through the display control device, so as to be used for timely knowing the charging progress, thereby timely powering off and preventing the service life of the battery from being reduced due to overcharging.
On the other hand, in the process of charging the battery by the power conversion module 1, the stored electricity amount calculation module 22 can calculate the stored electricity amount rate and calculate the remaining charging time for charging the battery based on the stored electricity amount rate, and the calculated remaining charging time can be displayed by the data display device 2111 so as to be convenient for the user to refer to. Meanwhile, the actual use power consumption of the computer in the current state can be calculated according to the rate of the stored electric quantity, and the estimated use time length of the battery after the battery is fully charged is calculated based on the actual use power consumption of the computer. Based on the actual use power consumption, the power adjustment module 24 can also adjust the power conversion module 1 to take the actual use power consumption as output when the battery is in a full charge state, and at this time, no redundant electric energy charges the battery, so the battery is not in an overcharged state; meanwhile, the normal operation of the computer can be maintained. In addition, the charge state monitoring module 25 controls the power conversion module 1 to stop supplying power when the battery is in the full charge state for more than a preset time, and controls the battery to discharge so as to avoid the reduction of the service life of the battery caused by the long-term saturation state of the battery. When the battery is discharged to a preset value, the state of charge recovery module 26 controls the battery to stop supplying power and controls the power conversion module 1 to recover supplying power, and at this time, the process of charging the battery is recovered and circulated in sequence, so that the service life of the battery is prolonged.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The notebook charger comprises a protective shell, wherein a power conversion module (1) and a control unit (2) are arranged in the protective shell, the control unit (2) is used for controlling the power conversion module (1) to perform power conversion, and the power conversion module (1) is provided with an alternating current input end (11) and a direct current output end (12); the method is characterized in that: the direct current output end (12) is provided with an electric quantity detection device (121) for detecting the residual electric quantity of the battery, the control unit (2) comprises a data conversion module (21) and a display control module (211), the data conversion module (21) is connected with the electric quantity detection device (121) to convert the residual electric quantity of the battery detected by the electric quantity detection device (121) into the percentage of the total electric quantity of the battery, and the display control module (211) is electrically connected with a data display device (2111) to display the percentage of the total electric quantity of the battery through the data display device (2111); the control unit (2) further comprises a stored electricity quantity calculating module (22) electrically connected to the electricity quantity detecting device (121), the stored electricity quantity calculating module (22) is used for periodically calculating a stored electricity quantity rate based on an increase value of the remaining battery quantity in unit time, the control unit (2) further comprises a charging time predicting module (221) electrically connected to the stored electricity quantity calculating module (22), and the charging time predicting module (221) is electrically connected to the display control device to calculate the remaining charging time through the remaining battery quantity and the stored electricity quantity rate and display the remaining charging time through the data display device (2111); the control unit (2) further comprises an actual use power consumption calculation module (23) electrically connected to the stored electricity amount calculation module (22), wherein the actual use power consumption calculation module (23) is electrically connected to the data display device (2111) to calculate actual use power consumption and battery estimated working time under the actual use power consumption through rated output power and stored electricity amount rate of the power supply conversion module (1) and display the actual use power consumption and the battery estimated working time through the data display device (2111); the control unit (2) further comprises a power regulation module (24) electrically connected with the actual use power consumption calculation module (23), wherein the power regulation module (24) is used for controlling the power conversion module (1) to take the actual use power consumption as an output power value when the residual electric quantity of the battery reaches full charge; the control unit (2) further comprises a charging state monitoring module (25) electrically connected to the electric quantity detecting device (121), and the charging state monitoring module (25) is electrically connected to the power conversion module (1) so as to stop power supply of the power conversion module (1) when the residual electric quantity of the battery is always in a full charging state within a preset time, and power supply is performed through the battery.
2. The notebook charger for improving battery life of claim 1, wherein: the control unit (2) further comprises a charging state recovery module (26) connected to the charging state monitoring module (25), and the charging state recovery module (26) is electrically connected to the power conversion module (1) so as to recover power supply of the power conversion module (1) when the residual battery capacity reaches a preset value after the charging state monitoring module (25) controls the power conversion module (1) to stop supplying power.
3. The notebook charger for improving battery life of claim 2, wherein: the control unit (2) further comprises a discharge time monitoring module (3) electrically connected to the electric quantity detection device (121), and the discharge time monitoring module (3) is electrically connected to the data display device (2111) so as to be used for calculating the discharge time required for discharging the battery from the full charge state to the residual electric quantity preset value and displaying the discharge time through the data display device (2111).
4. The notebook charger for improving battery life of claim 3, wherein: the control unit (2) further comprises an abnormal state alarm module (31) electrically connected to the discharge time monitoring module (3), and the abnormal state alarm module (31) is used for calculating a normal discharge time threshold and giving an alarm when the discharge time is lower than the normal discharge threshold.
5. The notebook charger for improving battery life of claim 1, wherein: the control unit (2) further comprises a battery usage number detection module (4) electrically connected to the electric quantity detection device (121), and the battery usage number detection module (4) is electrically connected to the data display device (2111) for calculating the usage number of the battery based on the remaining electric quantity of the battery and displaying the battery usage number through the data display device (2111).
6. The notebook charger for improving battery life of claim 5, wherein: the control unit (2) further comprises a battery life assessment module (41) electrically connected to the battery usage frequency detection module (4), and the battery life assessment module (41) is electrically connected to the battery usage frequency detection module (4) and used for calculating estimated service life of the battery based on the usage frequency of the battery and the voltage and current of the battery.
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