CN104734214A - Portable device and charging and discharging control method thereof - Google Patents
Portable device and charging and discharging control method thereof Download PDFInfo
- Publication number
- CN104734214A CN104734214A CN201310697823.XA CN201310697823A CN104734214A CN 104734214 A CN104734214 A CN 104734214A CN 201310697823 A CN201310697823 A CN 201310697823A CN 104734214 A CN104734214 A CN 104734214A
- Authority
- CN
- China
- Prior art keywords
- power brick
- charging
- temperature
- temperature sensor
- discharging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007600 charging Methods 0.000 title claims abstract description 178
- 238000007599 discharging Methods 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000002159 abnormal effect Effects 0.000 claims abstract description 38
- 239000011449 brick Substances 0.000 claims description 220
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- H02J7/0091—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
-
- 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 invention discloses a portable device comprising a battery pack which is provided with N single batteries, N temperature sensors of which each corresponds to one single battery in the battery pack in arrangement and is used for detecting the temperature of the corresponding single battery, a charging and discharging manager which is used for charging and discharging the battery pack, and a controller which is used for judging whether or not the battery pack is abnormal according to the temperatures of the single batteries detected by the N temperature sensors and controlling the charging and discharging manager to stop charging or discharging the battery pack when judging that the battery pack is abnormal. According to the portable device of the invention, one temperature sensor is arranged for each single battery, so that the charging and discharging current and the charging and discharging state can be adjusted in real time according to the current temperature of the battery pack, the safety of battery pack charging and discharging is ensured when a protection mechanism of a protection board fails, the service life of the battery pack is prolonged, the reliability of the portable device is improved, and the user experience is improved. The invention further discloses a charging and discharging control method of the portable device.
Description
Technical field
The present invention relates to technical field of mobile terminals, particularly the charge/discharge control method of a kind of portable set and a kind of portable set.
Background technology
At present; along with making constant progress of science and technology; the use of people to all kinds of portable set is more and more extensive; and the capacity density of the power brick of all kinds of portable set is also more and more higher; cause the requirement of people to the charging of the power brick of portable set and electric discharge management more and more higher; and to the protection of the power brick of portable set and the requirement of fail safe also more and more higher, namely more and more higher to the requirement of the reliability of portable set.
The protection of the power brick of traditional portable set, depends on the baffle inside power brick.In the prior art; baffle is used for the monitoring and protection to power brick; namely when power brick occur excess temperature, overcurrent, under-voltage, overcharge with short circuit time; baffle implements HOLD function to power brick; avoiding overcharge causes the damage of power brick and overdischarge or short circuit to shorten the power brick life-span, thus ensure that the reliability of portable set.
The shortcoming of prior art: because the protection of the power brick of traditional portable set; only depend on the baffle inside power brick; so when baffle protection mechanism lost efficacy; the HOLD disabler of such as baffle; cannot protect power brick, cause power brick to lose protective device, thus the safety of power brick cannot be ensured; reduce the reliability of portable set, reduce the experience of user.
Summary of the invention
Object of the present invention is intended to solve above-mentioned technical problem at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of portable set.This portable set can improve the fail safe of power brick discharge and recharge, protects power brick better, extends the useful life of power brick, thus realizes the reliability ensureing portable set, improves the experience of user.
Another object of the present invention is the charge/discharge control method proposing a kind of portable set.
For achieving the above object, a kind of portable set that the embodiment of the present invention proposes, comprising: power brick; Described power brick has N number of cell; N number of temperature sensor, each temperature sensor in described N number of temperature sensor is corresponding with each cell in power brick to be arranged, and described each temperature sensor correspondingly detects the temperature of the described cell that arrange corresponding to it; Management of charging and discharging device, described management of charging and discharging device is connected with described power brick, and described management of charging and discharging device is used for described power brick discharge and recharge; And controller, described controller is connected with described each temperature sensor by bus, according to the temperature that described N number of temperature sensor detects described each cell, described controller judges that whether described power brick is abnormal, and control described management of charging and discharging device when judging described power brick exception to described power brick stopping discharge and recharge.
According to the portable set of the embodiment of the present invention; by to often saving cell set temperature transducer; thus realize adjusting charging and discharging currents and charging and discharging state in real time according to the Current Temperatures of power brick; and when baffle protection mechanism lost efficacy; ensure the fail safe of power brick discharge and recharge; extend the useful life of power brick, improve the reliability of portable set, improve the experience of user.
Specifically, in an embodiment of the invention, described controller detects mean temperature and the maximum temperature of N number of temperature sensor described in the temperature computation of described each cell according to described N number of temperature sensor, and judges described power brick whether exception according to the described mean temperature of described N number of temperature sensor and described maximum temperature.
Further, in an embodiment of the invention, if the described mean temperature of described N number of temperature sensor or described maximum temperature are higher than the first predetermined threshold value, then described controller judges that described power brick is abnormal.
Wherein, in an embodiment of the invention, if the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with power supply and described power brick electric power storage less than, then described controller controls described management of charging and discharging device and charges to described power brick, described controller is also for charging list that mean temperature according to the described mean temperature match query of described N number of temperature sensor is corresponding, and obtain charging current according to described charging list, and control described management of charging and discharging device according to described charging current and according to described charging current, described power brick is charged.
Further, in an embodiment of the invention, if the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with described power supply and described power brick electric power storage is full, then described controller controls described management of charging and discharging device to described power brick stopping discharge and recharge, and portable set is by described Power supply.
The charge/discharge control method of a kind of portable set that the present invention's another aspect embodiment proposes, comprises the steps: the temperature of the N number of cell detected in power brick; Judge that whether described power brick is abnormal according to the temperature that described N number of temperature sensor detects described each cell; And when judging that described power brick is abnormal, controlling management of charging and discharging device and discharge and recharge is stopped to described power brick.
According to the charge/discharge control method of the portable set of the embodiment of the present invention; by to often saving cell set temperature transducer; thus realize adjusting charging and discharging currents and charging and discharging state in real time according to the Current Temperatures of power brick; and when baffle protection mechanism lost efficacy; ensure the fail safe of power brick discharge and recharge; extend the useful life of power brick, improve the reliability of portable set, improve the experience of user.
Specifically, in an embodiment of the invention, the described temperature detecting described each cell according to described N number of temperature sensor judges that whether described power brick is abnormal and specifically comprises: the mean temperature of N number of temperature sensor described in the temperature computation detecting described each cell according to described N number of temperature sensor and maximum temperature; And judge that whether described power brick is abnormal according to the described mean temperature of described N number of temperature sensor and described maximum temperature.
Wherein, in an embodiment of the invention, the described described mean temperature according to described N number of temperature sensor and described maximum temperature judge that whether described power brick is abnormal and specifically comprise: if the described mean temperature of described N number of temperature sensor or described maximum temperature are higher than the first predetermined threshold value, then judge that described power brick is abnormal.
Further, in an embodiment of the invention, the charge/discharge control method of described portable set also comprises: if the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with power supply and described power brick electric power storage less than, then control described management of charging and discharging device and described power brick charged.
Particularly, in an embodiment of the invention, if the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with power supply and described power brick electric power storage less than, then control described management of charging and discharging device specifically to comprise described power brick charging: when described power brick electric power storage is charged less than needs, the charging list that mean temperature is corresponding according to the described mean temperature match query of described N number of temperature sensor; And obtain charging current according to described charging list, and control described management of charging and discharging device according to described charging current and according to described charging current, described power brick is charged.
Further, in an embodiment of the invention, the charge/discharge control method of described portable set also comprises: if the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with described power supply and described power brick electric power storage is full, then control described management of charging and discharging device and stop discharge and recharge to described power brick, portable set is by described Power supply.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein,
Fig. 1 is the structural representation of portable set according to an embodiment of the invention;
Fig. 2 is the schematic flow sheet of the charge/discharge control method of portable set according to an embodiment of the invention; And
Fig. 3 is the schematic flow sheet of the charge/discharge control method of portable set according to the present invention's specific embodiment.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
In describing the invention, it is to be appreciated that term " first ", " second " etc. are only for describing object, and instruction or hint relative importance can not be interpreted as.In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
Below with reference to the accompanying drawings the charge/discharge control method of portable set and the portable set proposed according to the embodiment of the present invention is described.
With reference to shown in Fig. 1, according to the portable set that the embodiment of the present invention proposes, comprising: N number of temperature sensor 101,102 ..., 10N, management of charging and discharging device 200, controller 300 and power brick 400.In addition, power brick 400 have N number of cell 401,402 ..., 40N.
Wherein, N number of temperature sensor 101,102 ..., each temperature sensor in 10N is corresponding with each cell in power brick 400 arranges, each temperature sensor correspondingly detects the temperature of the cell that arrange corresponding to it.Management of charging and discharging device 200 and power brick 400 is connected by bus 500, and management of charging and discharging device 200 is for power brick 400 discharge and recharge.Controller 300 is connected with each temperature sensor by bus 500, controller 300 according to N number of temperature sensor 101,102 ..., the 10N temperature that detects each cell judges that whether power brick 400 abnormal, and control management of charging and discharging device 200 pairs of power brick 400 stop discharge and recharge when judging that power brick 400 is abnormal.It should be noted that, in this Fig. 1, the set-up mode of temperature sensor is only schematic, and the present invention is not limited in this kind of connected mode, and the position of temperature sensor can adjust arbitrarily according to power brick and practical situations.
In an embodiment of the invention, N number of temperature sensor 101,102 ..., 10N detects the temperature of each cell, namely real-time monitoring and sampling are carried out to the temperature of each cell, controller 300 to N number of temperature sensor 101,102 ..., the 10N temperature that detects each cell carry out analyzing and calculate N number of temperature sensor 101,102 ..., the mean temperature of 10N and maximum temperature, namely calculate N number of cell 401 of power brick 400,402 ..., the mean temperature of temperature of 40N and maximum temperature.Wherein, controller 300 by N number of temperature sensor 101,102 ..., the mean temperature of 10N and maximum temperature and the first predetermined threshold value carry out contrast and judge that whether power brick 400 abnormal.
Particularly, in the present invention's specific embodiment, with reference to shown in Fig. 1, if N number of temperature sensor 101,102 ..., the mean temperature of 10N or maximum temperature higher than the first predetermined threshold value, then controller 300 judges that power brick 400 is abnormal.For example, such as, when the first predetermined threshold value is 60 DEG C, when N number of temperature sensor 101,102 ..., the mean temperature of 10N or maximum temperature higher than 60 DEG C time, then controller 300 judges that power brick 400 is abnormal.Particularly, such as, shown in table 1, it should be noted that, power brick 400 discharge and recharge is the discharge and recharge of management of charging and discharging device 200 pairs of power brick 400.
| Mean temperature | Maximum temperature | Power brick is charged | Power brick is discharged |
| Higher than 60 DEG C | Do not allow | Do not allow | |
| Higher than 60 DEG C | Do not allow | Do not allow | |
| Lower than 60 DEG C | Allow | Allow |
Table 1
Wherein, when controller 300 judges that power brick is abnormal, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 and stops discharge and recharge.Particularly, in an embodiment of the invention, with reference to shown in Fig. 1, when judging that power brick is abnormal, it is 0 that the pin GPIO0 of controller 300 and pin GPIO1 drags down i.e. DisCharge En and Charge En, controller 300 output low level, discharging enablely stops exporting discharge signal and charging signals to management of charging and discharging device 200 with the enable i.e. controller 300 that drags down of charging, thus controller 300 controls management of charging and discharging device 200 pairs of power brick 400 stops discharge and recharge.It should be noted that, in an embodiment of the invention, management of charging and discharging device 200 pairs of power brick 400 stop discharge and recharge, and namely management of charging and discharging device 200 turns off charge circuit 701 and the discharge loop 702 of power brick 400, cause power brick 400 not allow charging also not allow electric discharge.
In an embodiment of the invention, with reference to shown in Fig. 1, if N number of temperature sensor 101, 102, the maximum temperature of 10N is lower than the first predetermined threshold value, and power brick 400 is connected with power supply 600 and power brick 400 electric power storage less than, then controller 300 controls management of charging and discharging device 200 pairs of power brick 400 and charges, and controller 300 is according to N number of temperature sensor 101, 102, the charging list that the mean temperature match query mean temperature of 10N is corresponding, and obtain charging current according to charging list, and power brick 400 is charged according to charging current according to charging current control management of charging and discharging device 200.For example, when N number of temperature sensor 101,102 ..., 10N maximum temperature lower than the first predetermined threshold value such as 60 DEG C time, and power brick 400 be connected with power supply 600 and electric power storage less than, namely reach charge condition, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 and charges.
Wherein, when power brick 400 electric power storage is charged less than needs, controller 300 according to the temperature of present battery bag 400 and N number of temperature sensor 101,102 ..., 10N mean temperature adjust different charging currents, thus power brick 400 is charged the most safely and effectively, until power brick 400 electric power storage is full, ensure the reliability of portable set.
Particularly, be described in detail how to charge the most safely and effectively at this.In an embodiment of the invention, such as, when the first predetermined threshold value is 60 DEG C, power brick 300 be connected with power supply 600 and power brick 400 electric power storage less than, it is 1 that the pin GPIO1 of controller 300 draws high i.e. Charge En, controller 300 exports high level, the enable i.e. controller 300 pairs of management of charging and discharging devices 200 of drawing high that charge export charging signals, thus controller 300 controls management of charging and discharging device 200 pairs of power brick 400 charges.Wherein, controller 300 according to N number of temperature sensor 101,102 ..., 10N mean temperature carry out several charging modes chargings of charging in list such as table 2, as shown in table 2,
| Maximum temperature T1 | Mean temperature T2 | Charging current |
| T1<60℃ | 50℃<T2<60℃ | 0.2C |
| T1<60℃ | 40℃<T2<50℃ | 0.5C |
| T1<60℃ | 20℃<T2<40℃ | 0.7C |
| T1<60℃ | 0℃<T2<20℃ | 1C |
| T1<60℃ | -10℃<T2<0℃ | 0.5C |
| T1<60℃ | -20℃<T2<-10℃ | 0.2C |
Table 2
Wherein, mode one: N number of temperature sensor 101,102 ..., 10N mean temperature between 50 DEG C ~ 60 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 0.2C; Mode two: N number of temperature sensor 101,102 ..., 10N mean temperature between 40 DEG C ~ 50 DEG C, controller 300 control management of charging and discharging device 200 pairs of power brick 400 with 0.25 charging current for charging; Mode three: N number of temperature sensor 101,102 ..., 10N mean temperature between 20 DEG C ~ 40 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 0.7C; Mode four: N number of temperature sensor 101,102 ..., 10N mean temperature between 0 DEG C ~ 20 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 1C; Mode five: N number of temperature sensor 101,102 ..., 10N mean temperature between subzero 10 DEG C ~ 0 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 0.5C; Mode six: N number of temperature sensor 101,102 ..., 10N mean temperature between subzero 20 DEG C ~ subzero 10 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 0.2C.It should be noted that, the temperature value in the embodiment of the present invention, and charging current all can carry out adjusting and revising according to the characteristic of the power brick 400 of the portable set of reality and concrete service condition, is not limited to the occurrence in table 1 and table 2.
In another embodiment, with reference to shown in Fig. 1, if N number of temperature sensor 101, 102, the maximum temperature of 10N is lower than the first predetermined threshold value, and power brick 400 is connected with power supply 600 and namely power brick 400 electric power storage completely does not need to charge, it is 1 that the pin GPIO0 of controller 300 draws high i.e. DisCharge En, controller 300 exports high level, the enable i.e. controller 300 pairs of management of charging and discharging devices 200 of drawing high that discharge export discharge signal, thus realize controller 300 and control management of charging and discharging device 200 pairs of power brick 200 and discharge, and portable set is powered by power supply 600.
In another embodiment, with reference to shown in Fig. 1, if N number of temperature sensor 101,102 ..., 10N maximum temperature lower than the first predetermined threshold value, but power brick 400 is not connected with power supply 600, i.e. portable set is not connected with power supply, then controller 300 controls management of charging and discharging device 200 pairs of power brick 200 and discharges, and portable set is powered by power brick 400.
According to the portable set of the embodiment of the present invention, by to the temperature often saving cell set temperature transducer and detect corresponding cell, thus realize adjusting charging and discharging currents and charging and discharging state in real time according to the Current Temperatures of power brick, and when baffle protection mechanism lost efficacy, ensure the fail safe of power brick, the charge and discharge protecting solving the power brick of portable set relies on the passive type protection of the baffle inside power brick completely, thus realize to power brick effectively and safe charging, carry out the most effective management of charging and discharging, extend the useful life of power brick, improve the reliability of portable set, ensure the fail safe of portable set, improve the experience of user.
Describe the charge/discharge control method of the portable set proposed according to the embodiment of the present invention with reference to the accompanying drawings in detail.
Fig. 2 is the flow chart of the charge/discharge control method of portable set according to an embodiment of the invention.With reference to shown in Fig. 2, the charge/discharge control method of portable set comprises the steps:
S101, detect the N number of cell 401 in power brick 400,402 ..., 40N temperature.
In an embodiment of the invention, N number of temperature sensor 101,102 ..., each temperature sensor in 10N is corresponding with each cell in power brick 400 arranges, each temperature sensor correspondingly detects the temperature of the cell that arrange corresponding to it.
S102, according to N number of temperature sensor 101,102 ..., the 10N temperature that detects each cell judges that whether power brick 400 abnormal.
In an embodiment of the invention, controller 300 according to N number of temperature sensor 101,102 ..., the 10N temperature that detects each cell judges that whether power brick 400 abnormal.
S103, when judging that power brick 400 is abnormal, controlling management of charging and discharging device 200 pairs of power brick 400 and stopping discharge and recharge.
In an embodiment of the invention, when judging that power brick 400 is abnormal, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 and stops discharge and recharge.
Fig. 3 is the schematic flow sheet of the charge/discharge control method of portable set according to the present invention's specific embodiment.This will to how according to N number of temperature sensor 101,102 ..., the 10N temperature that detects each cell judges that whether power brick 400 abnormal and is described in detail.Particularly, as shown in Figure 3, the charge/discharge control method of portable set comprises the steps:
S201, detect the N number of cell 401 in power brick, 402 ..., 40N temperature.
Particularly, in an embodiment of the invention, N number of temperature sensor 101,102 ..., 10N detects the temperature of each cell, namely carries out real-time monitoring and sampling to the temperature of each cell.
S202, according to N number of temperature sensor 101,102 ..., 10N detect each cell the N number of temperature sensor 101 of temperature computation, 102 ..., the mean temperature of 10N and maximum temperature.
In an embodiment of the invention, controller 300 to N number of temperature sensor 101,102 ..., the 10N temperature that detects each cell carry out analyzing and calculate N number of temperature sensor 101,102 ..., the mean temperature of 10N and maximum temperature, namely calculate N number of cell 401 of power brick 400,402 ..., the mean temperature of temperature of 40N and maximum temperature.
S203, according to N number of temperature sensor 101,102 ..., the mean temperature of 10N or maximum temperature higher than the first predetermined threshold value, then judge that power brick is abnormal.
Further, in an embodiment of the invention, controller 300 by N number of temperature sensor 101,102 ..., the mean temperature of 10N and maximum temperature and the first predetermined threshold value carry out contrast and judge that whether power brick 400 abnormal.Particularly, if N number of temperature sensor 101,102 ..., the mean temperature of 10N or maximum temperature higher than the first predetermined threshold value, then controller 300 judges that power brick 400 is abnormal.For example, such as, when the first predetermined threshold value is 60 DEG C, when N number of temperature sensor 101,102 ..., the mean temperature of 10N or maximum temperature higher than 60 DEG C time, then controller 300 judges that power brick 400 is abnormal.Particularly, such as, shown in table 1, it should be noted that, power brick 400 discharge and recharge is the discharge and recharge of management of charging and discharging device 200 pairs of power brick 400.
S204, when judging that power brick 400 is abnormal, controlling management of charging and discharging device 200 pairs of power brick 400 and stopping discharge and recharge.
Wherein, when controller 300 judges that power brick is abnormal, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 and stops discharge and recharge.Particularly, in an embodiment of the invention, with reference to shown in Fig. 1, when judging that power brick is abnormal, it is 0 that the pin GPIO0 of controller 300 and pin GPIO1 drags down i.e. DisCharge En and Charge En, controller 300 output low level, discharging enablely stops exporting discharge signal and charging signals to management of charging and discharging device 200 with the enable i.e. controller 300 that drags down of charging, thus controller 300 controls management of charging and discharging device 200 pairs of power brick 400 stops discharge and recharge.In an embodiment of the invention, management of charging and discharging device 200 pairs of power brick 400 stop discharge and recharge, and namely management of charging and discharging device 200 turns off charge circuit 701 and the discharge loop 702 of power brick 400, cause power brick 400 not allow charging also not allow electric discharge.
Wherein, in another embodiment, when judging that power brick 400 is not abnormal, if namely the maximum temperature of N number of temperature sensor is lower than the first predetermined threshold value, and power brick is connected with power supply and power brick electric power storage less than, then control management of charging and discharging device and power brick charging specifically comprised:
S205, when power brick 400 electric power storage is charged less than needs, according to N number of temperature sensor 101,102 ..., 10N charging list corresponding to mean temperature match query mean temperature.
In an embodiment of the invention, if N number of temperature sensor 101, 102, the maximum temperature of 10N is lower than the first predetermined threshold value, and when power brick 400 is connected with power supply 600 and power brick 400 electric power storage is charged less than needs, then controller 300 controls management of charging and discharging device 200 pairs of power brick 400 and charges, and controller 300 is according to N number of temperature sensor 101, 102, the charging list that the mean temperature match query mean temperature of 10N is corresponding, and obtain charging current according to charging list, and power brick 400 is charged according to charging current according to charging current control management of charging and discharging device 200.For example, when N number of temperature sensor 101,102 ..., 10N maximum temperature lower than the first predetermined threshold value such as 60 DEG C time, and power brick 400 be connected with power supply 600 and electric power storage less than, namely reach charge condition, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 and charges.
Wherein, when power brick 400 electric power storage is charged less than needs, controller 300 according to the actual temperature of present battery bag 400 and N number of temperature sensor 101,102 ..., 10N mean temperature adjust different charging currents, thus power brick 400 is charged the most safely and effectively, until power brick 400 electric power storage is full, ensure the reliability of portable set.
S206, obtains charging current according to charging list, and charges to power brick 400 according to charging current according to charging current control management of charging and discharging device 200.
Particularly, in an embodiment of the invention, such as, when the first predetermined threshold value is 60 DEG C, power brick 300 be connected with power supply 600 and power brick 400 electric power storage less than, it is 1 that the pin GPIO1 of controller 300 draws high i.e. Charge En, controller 300 exports high level, and the enable i.e. controller 300 pairs of management of charging and discharging devices 200 of drawing high that charge export charging signals, thus controller 300 controls management of charging and discharging device 200 pairs of power brick 400 charges.Wherein, controller 300 according to N number of temperature sensor 101,102 ..., 10N mean temperature carry out as several charging modes chargings in charging list such as table 2, as shown in table 2.
Wherein, mode one: N number of temperature sensor 101,102 ..., 10N mean temperature between 50 DEG C ~ 60 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 0.2C; Mode two: N number of temperature sensor 101,102 ..., 10N mean temperature between 40 DEG C ~ 50 DEG C, controller 300 control management of charging and discharging device 200 pairs of power brick 400 with 0.25 charging current for charging; Mode three: N number of temperature sensor 101,102 ..., 10N mean temperature between 20 DEG C ~ 40 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 0.7C; Mode four: N number of temperature sensor 101,102 ..., 10N mean temperature between 0 DEG C ~ 20 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 1C; Mode five: N number of temperature sensor 101,102 ..., 10N mean temperature between subzero 10 DEG C ~ 0 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 0.5C; Mode six: N number of temperature sensor 101,102 ..., 10N mean temperature between subzero 20 DEG C ~ subzero 10 DEG C, controller 300 controls management of charging and discharging device 200 pairs of power brick 400 with the charging current for charging of 0.2C.It should be noted that, the temperature value in the embodiment of the present invention, and charging current all can carry out adjusting and revising according to the characteristic of the power brick 400 of the portable set of reality and concrete service condition, is not limited to the occurrence in table 1 and table 2.
In addition, with reference to shown in Fig. 3, in an embodiment of the invention, the charge/discharge control method of above-mentioned portable set also comprises:
S207, if N number of temperature sensor 101,102 ..., 10N maximum temperature lower than the first predetermined threshold value, and power brick 400 is connected with power supply 600 and power brick 400 electric power storage is full, then control management of charging and discharging device 200 pairs of power brick 400 and stop discharge and recharge, portable set is powered by power supply 600.
In an embodiment of the invention, if N number of temperature sensor 101,102 ..., 10N maximum temperature lower than the first predetermined threshold value, and power brick 400 is connected with power supply 600 and namely power brick 400 electric power storage completely does not need to charge, it is 1 that the pin GPIO0 of controller 300 draws high i.e. DisCharge En, controller 300 exports high level, the enable i.e. controller 300 pairs of management of charging and discharging devices 200 of drawing high that discharge export discharge signal, thus realize controller 300 and control management of charging and discharging device 200 pairs of power brick 200 and discharge, and portable set is powered by power supply 600.
S208, if N number of temperature sensor 101,102 ..., 10N maximum temperature lower than the first predetermined threshold value, and power brick 400 is not connected with power supply 600, then control management of charging and discharging device 200 pairs of power brick 400 and stop discharge and recharge, portable set is powered by power brick 400.
In an embodiment of the invention, if N number of temperature sensor 101,102 ..., 10N maximum temperature lower than the first predetermined threshold value, but power brick 400 is not connected with power supply 600, i.e. portable set is not connected with power supply, then controller 300 controls management of charging and discharging device 200 pairs of power brick 200 and discharges, and portable set is powered by power brick 400.
According to the charge/discharge control method of the portable set of the embodiment of the present invention, by to the temperature often saving cell set temperature transducer and detect corresponding cell, thus realize adjusting charging and discharging currents and charging and discharging state in real time according to the Current Temperatures of power brick, and when baffle protection mechanism lost efficacy, ensure the fail safe of power brick, the charge and discharge protecting solving the power brick of portable set relies on the passive type protection of the baffle inside power brick completely, thus realize to power brick effectively and safe charging, carry out the most effective management of charging and discharging, extend the useful life of power brick, improve the reliability of portable set, ensure the fail safe of portable set, improve the experience of user.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the application-specific integrated circuit (ASIC) of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (11)
1. a portable set, is characterized in that, comprising:
Power brick; Described power brick has N number of cell;
N number of temperature sensor, each temperature sensor in described N number of temperature sensor is corresponding with the described each cell in described power brick to be arranged, and described each temperature sensor correspondingly detects the temperature of the described cell that arrange corresponding to it;
Management of charging and discharging device, described management of charging and discharging device is connected with described power brick, and described management of charging and discharging device is used for described power brick discharge and recharge; And
Controller, described controller is connected with described each temperature sensor by bus, according to the temperature that described N number of temperature sensor detects described each cell, described controller judges that whether described power brick is abnormal, and control described management of charging and discharging device when judging described power brick exception to described power brick stopping discharge and recharge.
2. portable set as claimed in claim 1, it is characterized in that, described controller detects mean temperature and the maximum temperature of N number of temperature sensor described in the temperature computation of described each cell according to described N number of temperature sensor, and judges described power brick whether exception according to the described mean temperature of described N number of temperature sensor and described maximum temperature.
3. portable set as claimed in claim 2, is characterized in that, if the described mean temperature of described N number of temperature sensor or described maximum temperature are higher than the first predetermined threshold value, then described controller judges that described power brick is abnormal.
4. portable set as claimed in claim 2, it is characterized in that, if the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with power supply and described power brick electric power storage less than, then described controller controls described management of charging and discharging device and charges to described power brick, described controller is also for charging list that mean temperature according to the described mean temperature match query of described N number of temperature sensor is corresponding, and obtain charging current according to described charging list, and control described management of charging and discharging device according to described charging current and according to described charging current, described power brick is charged.
5. portable set as claimed in claim 2, it is characterized in that, if the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with described power supply and described power brick electric power storage is full, then described controller controls described management of charging and discharging device to described power brick stopping discharge and recharge, and portable set is by described Power supply.
6. a charge/discharge control method for portable set, is characterized in that, comprises the steps:
Detect the temperature of the N number of cell in power brick;
Judge that whether described power brick is abnormal according to the temperature that described N number of temperature sensor detects described each cell; And
When judging that described power brick is abnormal, controlling management of charging and discharging device and discharge and recharge is stopped to described power brick.
7. the charge/discharge control method of portable set as claimed in claim 6, is characterized in that, the described temperature detecting described each cell according to described N number of temperature sensor judges that whether described power brick is abnormal and specifically comprises:
The mean temperature of N number of temperature sensor described in the temperature computation detecting described each cell according to described N number of temperature sensor and maximum temperature; And
Judge that whether described power brick is abnormal according to the described mean temperature of described N number of temperature sensor and described maximum temperature.
8. the guard method of portable set as claimed in claim 7, is characterized in that, the described described mean temperature according to described N number of temperature sensor and described maximum temperature judge that whether described power brick is abnormal and specifically comprise:
If the described mean temperature of described N number of temperature sensor or described maximum temperature are higher than the first predetermined threshold value, then judge that described power brick is abnormal.
9. the guard method of portable set as claimed in claim 7, is characterized in that, also comprise:
If the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with power supply and described power brick electric power storage less than, then control described management of charging and discharging device and described power brick charged.
10. the guard method of portable set as claimed in claim 9; it is characterized in that; if the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value; and described power brick is connected with power supply and described power brick electric power storage less than, then control described management of charging and discharging device and the charging of described power brick specifically comprised:
When described power brick electric power storage is charged less than needs, the charging list that mean temperature is corresponding according to the described mean temperature match query of described N number of temperature sensor; And
Obtain charging current according to described charging list, and control described management of charging and discharging device according to described charging current and according to described charging current, described power brick is charged.
The guard method of 11. portable sets as claimed in claim 7, is characterized in that, also comprise:
If the described maximum temperature of described N number of temperature sensor is lower than the first predetermined threshold value, and described power brick is connected with described power supply and described power brick electric power storage is full, then control described management of charging and discharging device and stop discharge and recharge to described power brick, portable set is by described Power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697823.XA CN104734214B (en) | 2013-12-18 | 2013-12-18 | Portable device and its charge/discharge control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697823.XA CN104734214B (en) | 2013-12-18 | 2013-12-18 | Portable device and its charge/discharge control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104734214A true CN104734214A (en) | 2015-06-24 |
| CN104734214B CN104734214B (en) | 2018-08-14 |
Family
ID=53457807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310697823.XA Active CN104734214B (en) | 2013-12-18 | 2013-12-18 | Portable device and its charge/discharge control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104734214B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472165A (en) * | 2015-12-31 | 2016-04-06 | 宇龙计算机通信科技(深圳)有限公司 | Control method and control device of mobile terminal |
| CN107636870A (en) * | 2015-06-30 | 2018-01-26 | 索尼公司 | Accumulating system, controller and accumulator cell charging and discharging method |
| CN107703453A (en) * | 2017-08-22 | 2018-02-16 | 北京长城华冠汽车科技股份有限公司 | A kind of apparatus and method for determining cell temperature acquisition point |
| CN107785946A (en) * | 2016-08-30 | 2018-03-09 | 太普电子(常熟)有限公司 | Charging current control method and its system |
| CN109546235A (en) * | 2018-10-09 | 2019-03-29 | 深圳欣旺达智能科技有限公司 | Control method, device, electronic equipment and the storage medium of lithium battery |
| CN112670661A (en) * | 2020-12-28 | 2021-04-16 | 山东电亮亮信息科技有限公司 | Gassing fluid infusion management formula large capacity lithium titanate battery |
| CN113985288A (en) * | 2021-10-26 | 2022-01-28 | 广州小鹏汽车科技有限公司 | Method and device for reminding abnormality of component of vehicle battery, vehicle and storage medium |
| WO2023240637A1 (en) * | 2022-06-17 | 2023-12-21 | 北京小米移动软件有限公司 | Battery temperature detection method, battery temperature detection circuit and apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230056293A (en) * | 2021-10-20 | 2023-04-27 | 주식회사 엘지에너지솔루션 | Battery pack information setting method and battery system using the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3225901B2 (en) * | 1997-10-13 | 2001-11-05 | トヨタ自動車株式会社 | Battery charge detection device |
| WO2007122787A1 (en) * | 2006-03-24 | 2007-11-01 | Nec Corporation | Charging system, charging control program, and portable terminal |
| CN201360156Y (en) * | 2008-11-25 | 2009-12-09 | 赵建和 | Charging and discharging management system for improving safety and service life of series-connected battery set |
| CN101997318A (en) * | 2009-08-14 | 2011-03-30 | 富港电子（东莞）有限公司 | Battery charging method and device |
| CN103035969B (en) * | 2011-09-30 | 2015-06-03 | 联想(北京)有限公司 | Battery control method, battery and electronic equipment |
-
2013
- 2013-12-18 CN CN201310697823.XA patent/CN104734214B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107636870A (en) * | 2015-06-30 | 2018-01-26 | 索尼公司 | Accumulating system, controller and accumulator cell charging and discharging method |
| CN107636870B (en) * | 2015-06-30 | 2021-07-02 | 株式会社村田制作所 | Power storage system, controller, and battery charging/discharging method |
| CN105472165A (en) * | 2015-12-31 | 2016-04-06 | 宇龙计算机通信科技(深圳)有限公司 | Control method and control device of mobile terminal |
| CN105472165B (en) * | 2015-12-31 | 2019-08-16 | 宇龙计算机通信科技(深圳)有限公司 | The control method and control device of mobile terminal |
| CN107785946A (en) * | 2016-08-30 | 2018-03-09 | 太普电子(常熟)有限公司 | Charging current control method and its system |
| CN107703453A (en) * | 2017-08-22 | 2018-02-16 | 北京长城华冠汽车科技股份有限公司 | A kind of apparatus and method for determining cell temperature acquisition point |
| CN107703453B (en) * | 2017-08-22 | 2020-08-25 | 北京长城华冠汽车科技股份有限公司 | Device and method for determining temperature acquisition point of single battery |
| CN109546235A (en) * | 2018-10-09 | 2019-03-29 | 深圳欣旺达智能科技有限公司 | Control method, device, electronic equipment and the storage medium of lithium battery |
| CN112670661A (en) * | 2020-12-28 | 2021-04-16 | 山东电亮亮信息科技有限公司 | Gassing fluid infusion management formula large capacity lithium titanate battery |
| CN113985288A (en) * | 2021-10-26 | 2022-01-28 | 广州小鹏汽车科技有限公司 | Method and device for reminding abnormality of component of vehicle battery, vehicle and storage medium |
| WO2023240637A1 (en) * | 2022-06-17 | 2023-12-21 | 北京小米移动软件有限公司 | Battery temperature detection method, battery temperature detection circuit and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104734214B (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104734214A (en) | Portable device and charging and discharging control method thereof | |
| JP6682658B2 (en) | Battery management device and method | |
| US9640843B2 (en) | Battery management system | |
| US9774193B2 (en) | Battery cell charge balancing | |
| KR101696160B1 (en) | Apparatus, system and method for preventing damage of battery rack using voltage measurement | |
| CN104064827B (en) | Nickel-metal hydride battery pack with safety protection system | |
| CN102479983B (en) | For charge control method and the device of electric automobile power battery | |
| CN201623470U (en) | Protection circuit of power lithium ion batteries | |
| CA2821554A1 (en) | Rechargeable battery systems and rechargeable battery system operational methods | |
| US20120187909A1 (en) | Rechargeable battery systems and rechargeable battery system operational methods | |
| US20140266049A1 (en) | Detection and prevention of short formation in battery cells | |
| CN103311965A (en) | Intelligent management device and method of charging and discharging of parallel-connected battery group | |
| JP2019080489A (en) | Response to detection of overdischarge event in series connected battery elements | |
| US20180097376A1 (en) | Battery pack and method of operation therefor | |
| JP2012034425A (en) | Charging/discharging control circuit of secondary battery, battery pack, and battery power supply system | |
| KR101644217B1 (en) | Apparatus and method for battery protection | |
| CN204145003U (en) | A kind of lithium battery management devices | |
| CN104953198A (en) | Control method of battery pack group, battery pack group and electric tool | |
| CN106410892A (en) | Battery protection method, device and system | |
| CN104716720A (en) | Battery management system | |
| CN103296726A (en) | Battery energy storage module, control method thereof and energy storage power supply system | |
| TWI436513B (en) | Battery management system switching method | |
| TW201027871A (en) | Apparatus and method for protecting battery by comparison of full charge capacity | |
| TWI469417B (en) | Secondary battery structure with an over-charging security circuit | |
| CN105098904A (en) | Control system having protection function and supporting adding of different types of chargeable and dischargeable devices and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |