CN101436650B - Battery box and charging/discharging control method thereof, notebook-type computer - Google Patents
Battery box and charging/discharging control method thereof, notebook-type computer Download PDFInfo
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- CN101436650B CN101436650B CN2007101775661A CN200710177566A CN101436650B CN 101436650 B CN101436650 B CN 101436650B CN 2007101775661 A CN2007101775661 A CN 2007101775661A CN 200710177566 A CN200710177566 A CN 200710177566A CN 101436650 B CN101436650 B CN 101436650B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a battery box, which comprises: a shell, at least two charge-discharge circuit modules and a charge-discharge management module wherein the shell is used for placing at least two battery modules; each of the at least two charge-discharge circuit modules comprises a charging circuit and a discharging circuit, and each battery module is connected with the charging circuit and the discharging circuit respectively; and the charge-discharge management module is connected with each charging circuit and each discharging circuit, detects the battery modules, acquires energy information of the battery modules, and performs the charge-discharge management of the battery modules according to the energy information. The invention also relates to a notebook computer provided with the battery box, and a method for controlling charge and discharge, wherein the method comprises the following steps: detecting the battery modules to acquire information related to the battery energy; generating management information related to the charge and the discharge according to the information; and managing the battery modules according to the management information to make the battery modules be in a charging, discharging or off state. The battery box and the charging and discharging method are convenient to be applied to different occasions by users, and the flexibility is increased.
Description
Technical field
The present invention relates to a kind of battery with a plurality of battery modules, and the notebook computer with this battery, the invention still further relates to the control method that a plurality of battery modules are discharged and recharged.
Background technology
Along with popularizing of the raising of mobile computing ability and internet, notebook computer since its can receive whenever and wherever possible, transmission and process information and more and more be subjected to people's favor.The power consumption that is accompanied by another problem that performance promotes rapidly and is exactly notebook computer increases day by day, in order to reach longer service time, also just needs bigger battery modules.The way that prolongs at present notebook service time mainly is by one of extra increase or polylith reserve battery more, reduces power consumption by power supply managing simultaneously as far as possible.
Adopting the scheme of reserve battery generally is that two kinds of designs are arranged, the one, and interface is identical with fixed mechanism and main battery, and after main battery used up electricity, reserve battery was changed in temporary transient shutdown (or dormancy).Another scheme be with reserve battery be designed to can with the form of same sizes such as other plug-in package such as CD-ROM drive and shared interface, two batteries are powered simultaneously in this scheme, be equivalent to increase the capacity of battery, but its defective is to work simultaneously with the replacement parts.
Many about the design of notebook reserve battery and external battery at present, for example:
In a kind of prior art as shown in Figure 1, the use that a plurality of battery modules can be together in series of this scheme extends working time by a plurality of battery schemes that are cascaded of notebook rear design.Its shortcoming is because the battery deadweight is bigger, when a plurality of batteries are connected, moves and may damage (fracture) because of gravity make battery.A problem in addition is it if when charging for series connected battery simultaneously, need more powerful charger, and can be discontented with because of frequent charging easily because of battery, makes battery life impaired.
In another kind of prior art, designed an independently external battery module and be the notebook power supply, there is the shortcoming of carrying inconvenience simultaneously in it, and to need the charger of additional designs be the external battery charging.
Summary of the invention
An object of the present invention is to provide and to control the battery that at least two battery modules discharge and recharge with various modes.
Another object of the present invention provides the notebook computer with battery of the present invention.
For above-mentioned purpose, one aspect of the present invention relates to a kind of battery, has housing, and housing is used for putting at least two battery modules; It is characterized in that, also comprise:
At least two charge-discharge circuit modules, each charge-discharge circuit module includes a charging circuit and a discharge circuit, and each battery module links to each other with a charging circuit and a discharge circuit respectively;
The management of charging and discharging module, link to each other with each charging circuit and each discharge circuit, at least one battery module at least two battery modules is detected, and at least one battery module and energy-related information at least two battery modules of acquisition, according at least one battery module at least two battery modules being carried out management of charging and discharging with energy-related information.
Preferably, the management of charging and discharging module comprises:
Detecting unit is used at least one battery module of at least two battery modules is detected, and obtains this at least one battery module and energy-related information;
Administrative unit is according to energy-related information at least one battery module at least two battery modules being carried out management of charging and discharging.
Preferably; battery also comprises: protection module; be connected between at least two battery modules and at least two the charge-discharge circuit modules or be incorporated at least two charge-discharge circuit modules, be used for protecting charging circuit and discharge circuit and at least two battery modules of at least two each charge-discharge circuit modules of charge-discharge circuit module.
Preferably, housing includes: at least two battery chambers are used to hold at least two battery modules.
Preferably, battery also comprises: the master control backboard, at least two charge-discharge circuit modules and management of charging and discharging module are arranged on the master control backboard.
A second aspect of the present invention also relates to a kind of notebook computer, comprising:
One display screen;
One main frame has first electric interfaces on the main frame;
One battery has second electric interfaces on the battery;
First electric interfaces on the main frame and second electric interfaces on the battery are electrically connected,
Wherein, battery also comprises:
At least two charge-discharge circuit modules, each at least two charge-discharge circuit module includes a charging circuit and a discharge circuit, and each battery module links to each other with a charging circuit and a discharge circuit respectively;
The management of charging and discharging module, link to each other with each charging circuit and each discharge circuit, at least one battery module at least two battery modules is detected, and at least one battery module and energy-related information at least two battery modules of acquisition, according at least one battery module at least two battery modules being carried out management of charging and discharging with energy-related information.
Preferably, the management of charging and discharging module comprises:
Detecting unit is used at least one battery module of at least two battery modules is detected, and obtains at least one battery module and the energy-related information of at least two battery modules;
Administrative unit is according to energy-related information at least one at least two battery module being carried out management of charging and discharging.
Preferably, battery also comprises: the master control backboard, at least two charge-discharge circuit modules and management of charging and discharging module are arranged on the master control backboard.
Another aspect of the present invention relates to a kind of charge/discharge control method, is applied to comprise in the equipment of at least two battery modules, may further comprise the steps:
A. detect at least one battery module, obtain relevant information with the energy content of battery with at least one battery module;
B. produce the management information relevant according to the information relevant with charge or discharge with the energy content of battery;
C. according to the management information relevant, at least one battery module is managed, make at least one battery module enter charging, discharge or closed condition with charge or discharge.
Preferably, relevant with energy content of battery information is: information about power or information of voltage.
The management information relevant with charge or discharge is: charging instruction, discharge instruction or out code.
Producing the management information relevant with charge or discharge according to the information relevant with the energy content of battery comprises:
Judge whether the information relevant with the energy content of battery reaches predetermined value;
When the information relevant with the energy content of battery reaches predetermined value, produce discharge instruction or out code; When the information relevant with the energy content of battery does not reach predetermined value, produce charging instruction.
Under charged state, predetermined value be full voltage 80%～100% in a value; Under discharge condition predetermined value be full voltage 0～10% in a value.
Preferably, under discharge condition, when the magnitude of voltage of whole described at least two battery modules or charge value all when predetermined value is following, carry out the not enough prompting of electric weight.
Preferably, charge/discharge control method also comprises and detects the charger step, if the power of charger then charges at least two battery modules simultaneously greater than default power; If power is less than the small-power charger of default power, then at least two battery modules charge respectively successively.
Adopt the present invention program's advantage afterwards to be:
1. many battery modules can be simultaneously to the power supply of notebook main frame, and does not have influence on the convenience of carrying and the use of miscellaneous equipment.Battery module in the battery also can cooperate the notebook main frame to use separately.
2. but the charging of each battery module in the battery and discharge process are designed to multiple discharge of each battery module and charging management mode, be convenient to the user and be applied to different occasions, for example, by common charger each battery module is charged respectively, can charge or the like simultaneously by a plurality of batteries by big capacity charger when tight in the time.
3. only need just can be not related to notebook computer and carry out simultaneously a plurality of batteries being carried out order under the situation that battery module plugs or charging simultaneously with same common charger.
4. because can being filled out according to user's use occasion, battery inserts the varying number battery module, thereby increase the flexibility of using greatly, for example, for the personnel that conduct a field operation, the present invention can guarantee notebook computer continuous one day or even the long-time use of a couple of days, with typical 14 " the display screen notebook is example; and individual layer maximum of the present invention can be held 6 group of 6 core battery; its electric weight can be up to 4400mAh * 6+4400mAh=30800mAh; calculate 4 hour service time by general 6 cores, can guarantee continuous non-stop run 28 hours.
5. if battery module is carried out standardized designs (for example all module is 6 core modules), can also carry out the while quick charge by additional special-purpose many charging battery modules device, this application for special industry is a solution preferably.
Description of drawings
Fig. 1 shows the notebook computer that prior art has outer winding battery.
Fig. 2 is the schematic diagram of an example (drawer type) of battery of the present invention and battery module combination.
Fig. 3 is the stereogram of an example of a battery module of the present invention implementation (independent connector mode) of inserting battery and battery.
Fig. 4 is in the above-mentioned example of the present invention, the chute structure cutaway view when battery module inserts battery.
Fig. 5 is in the above-mentioned example, the locking device partial enlarged drawing between battery module and battery.
Fig. 6 is in the above-mentioned example, the electric connecting mode of battery module and master control backboard.
Fig. 7 and Fig. 8 are the battery in the above-mentioned example and the connected mode schematic diagram of notebook host
Fig. 9 is an example of the another kind of form that is connected with main frame of battery.
Figure 10 is a design example of two-layer battery.
Figure 11 is a master control back board system logic diagram of circuit.
Figure 12 is as the example of a charging modes, charging current, charging voltage and charge volume characteristic curve when curve chart wherein is a standard cell charging.
Figure 13 is for carrying out an example workflow of the charging of follow-up formula step by step to a plurality of battery modules.
Figure 14 another example process schematic diagram when a plurality of battery modules are discharged and recharged in proper order.
Figure 15 is an example process of discharge flow path.
Figure 16 is another example process of discharge flow path.
Figure 17 is a kind of embodiment of charging flow.
Need to prove that these accompanying drawings only are schematically, are not meant to limit the present invention.In addition, in order to simplify view, some conspicuous for a person skilled in the art necessary parts or element such as circuit element, link, circuit, connecting line, data wire etc. all do not illustrate.
Embodiment
Below battery of the present invention and notebook computer with this battery are elaborated.
One aspect of the present invention relates to battery, and in a kind of embodiment, battery of the present invention comprises:
Housing is used for placing at least two battery modules;
At least two charge-discharge circuit modules, each charge-discharge circuit module includes a charging circuit and a discharge circuit, and each battery module links to each other with a charging circuit and a discharge circuit respectively;
The management of charging and discharging module, link to each other with each charging circuit and each discharge circuit, in at least two battery modules at least one detected, and obtain at least one battery module and energy-related information, according at least one battery module that is detected being carried out management of charging and discharging with energy-related information.
The management of charging and discharging module comprises: detecting unit is used at least one battery module of at least two battery modules is detected, and obtains at least one battery module and energy-related information; Administrative unit is according to energy-related information at least one battery module being carried out management of charging and discharging.
Preferably; battery also comprises: protection module; protection module can be incorporated in the charge-discharge circuit module; also can be connected as an independent part between battery module and the charge-discharge circuit module; be used for protective circuit and battery module; for example be used to prevent overload and short circuit, can also prevent to overcharge, cross put, overvoltage, overcurrent, overheated, discharge under-voltage protection etc.
Housing includes: at least two battery chambers are used to hold battery module.
Battery module is contained in the battery chamber in the drawer type mode, promptly has the chamber or the cavity that hold battery module in the battery, and battery module is inserted in the chamber or chamber of battery in the pull mode, and can take out from battery in the pull mode easily.
Battery also comprises: the master control backboard, charge-discharge circuit module and management of charging and discharging module are arranged on the master control backboard.
Battery module preferably is fixed in the battery chamber removably, for example fixes by first locking mechanism, locks such as concavo-convex mosaic mode (for example grab and draw-in groove), slip shifting block.
Has corresponding guide structure on the battery module two sides He on battery chamber's sidewall.
Another aspect of the present invention relates to the notebook computer with above-mentioned battery, and in a kind of embodiment, notebook computer of the present invention comprises:
One display screen;
One main frame has first electric interfaces on the main frame;
One battery has second electric interfaces on the battery;
First electric interfaces on the main frame and second electric interfaces on the battery are electrically connected,
It is characterized in that battery also comprises:
At least two charge-discharge circuit modules, each charge-discharge circuit module includes a charging circuit and a discharge circuit, and each battery module links to each other with a charging circuit and a discharge circuit respectively;
The management of charging and discharging module, link to each other with each charging circuit and each discharge circuit, in at least two battery modules at least one detected, and obtain at least one battery module and energy-related information, according at least one battery module that is detected being carried out management of charging and discharging with energy-related information.
The management of charging and discharging module also be configured to the notebook main frame in embedded controller carry out communication with management the discharging and recharging of battery module.
The notebook main frame is fixed on notebook main frame bottom by second locking mechanism.The size of battery and shape preferably are complementary with the notebook main frame.
Be electrically connected by inserting mode between battery and the notebook main frame.Replacedly, being electrically connected by the battery compartment of the original-pack battery location of notebook main frame and with the corresponding battery compartment of battery compartment bindiny mechanism between battery and the notebook main frame carried out.
Battery is installed in the notebook main frame with removably.Battery preferably is installed in the notebook main frame in the drawer type mode.
Fig. 2 is the schematic diagram of an example (drawer type) of battery of the present invention and battery module combination.Battery 100 comprises: a plurality of battery modules 114; Battery housing 102; Master control backboard 104; Comprise a plurality of battery chambers 112 alternatively, be used to hold battery module 114.
The electric connecting mode of battery module 114 and master control backboard 104, it can be various ways, include but not limited to: contact connection, inserting mode (socket connection) etc., for example connector can be selected for example last used connector of notebook computer product sky ease F21 of Legend Company of existing battery connector for use.For example, as Fig. 2 and shown in Figure 6, master control backboard 104 has backboard and is electrically connected plug-in unit 106, and the battery module that battery module 114 has correspondingly is electrically connected the plug-in unit (not shown), is positioned at the inner of battery module 114.Battery module 114 is electrically connected the backboard that plug-in unit is electrically connected to master control backboard 104 by battery module and is electrically connected plug-in unit 106.Fig. 2 is schematically with the plug-in unit that is connected shown in Figure 6, and those skilled in the art know and how to design and the plug-in unit that is connected of making practical application.
As Fig. 2, Fig. 4 and shown in Figure 6, combining between battery 100 and the battery module 114 is drawer type.Have a plurality of battery chambers 112 in the battery housing 102.Has guiding chute 111 on battery module 114 two sides, has corresponding with it guiding projection 110 on battery chamber's sidewall 113, cooperation by the two can be directed to battery module 114 in the battery chamber 112 easily, is electrically connected plug-in unit 106 and links together thereby can make battery module be electrically connected plug-in unit and backboard exactly.Be positioned at the battery chamber 112 on the limit, the sidewall of battery housing 102 directly can serve as battery chamber's sidewall 113, as shown in Figure 4.This guide structure also plays the role of positioning simultaneously.Replacedly, this guide structure also can be arranged on the battery module 114 upper and lower sides and 112 upper and lower inwall relevant positions, battery chamber.
As Fig. 3 and shown in Figure 5, have grab 118 in the top, outer end and/or the bottom of battery module 114,112 relevant position has draw-in groove 120 in the battery chamber, battery module 114 can be fixed in the battery chamber 112 by the two cooperation.Preferably, the top of grab 118 has the inclined-plane, makes that grab 118 is stuck in the draw-in groove 120 easily when pushing battery module 114 in the battery chamber 112.Preferably, grab 118 has elasticity suitably, makes battery module 114 pack into and dismantle more or less freelyly, also is not easy to take off lock simultaneously.For example, owing to have elasticity, when packing battery module 114 into, grab 118 snaps onto in 120 easily; Equally, when needs are changed or dismantled battery module 114, grab 118 is pressed downwards, owing to have elasticity, grab 118 is easy to deviate from from draw-in groove 120, thereby battery module 114 is taken out, thereby has easily realized the locking and unlocking between grab 118 and the draw-in groove 120.Engage mutually by aforesaid concavo-convex mosaic mode between the battery module 114 and between battery module 114 and the battery 100 or fix, after battery module 114 inserts and puts in place, firmly pinned by first locking mechanism 118,120, need open first locking mechanism 118,120 when pulling up battery module 114 earlier and just can pull up.First locking mechanism between battery module 114 and the battery 100 is not limited to illustrate concavo-convex mosaic mode, for example, can also lock by the slip shifting block.
As Fig. 3, Fig. 7, shown in Figure 8, battery 100 advantageously is flat box-like, the two dimension size is preferably corresponding with notebook main frame 200 with shape, promptly mate, so just can easily battery 100 be installed in notebook main frame 200 bottoms, it is corresponding substantially with the periphery of notebook main frame 200 promptly to be installed together back battery 100, is convenient to the two and is fixed together and is convenient for carrying, packs with regard to feasible like this.Have at least two locator protrusionss 122 on the top of battery housing 102, have at least two location holes 123 accordingly in notebook main frame 200 bottoms; Simultaneously, upper surface at battery housing 102 has at least one second locking mechanism 124, has corresponding at least one lock hole (not shown) at notebook main frame 200 lower surfaces, cooperatively interacting between locator protrusions 122 and the location hole 123 and between second locking mechanism 124 and the lock hole just can be removably mounted on battery 100 notebook main frame 200 bottoms.As shown in the figure, locator protrusions 122, second locking mechanism 124 and location hole 123, lock hole advantageously lay respectively near the different angles of rectangular battery casket housing 102 and notebook main frame 200, so just can more firmly battery 100 and notebook main frame 200 be installed together.Second locking mechanism shown in the figure only is that schematically practical structures can be different with illustrated structure.Second locking mechanism is known in this area, for example can adopt in the common notebook computer locking mechanism such as the slip shifting block that display and host machine part are fixed together when closed, also for example can be the bolt connection.
Replacedly, in the preferred embodiment of another kind, battery 100 is installed miniaturizations, make its be installed in removably notebook main frame 200 in.For example, can adopt in the drawer type mode to be installed in the notebook main frame 200, (application number: 02231168.8) title is for described in " having the notebook computer that can hold interim reserve battery structure " as Chinese patent CN 2570874Y.
With reference to Fig. 3, Fig. 7, Fig. 8, the upper surface of battery housing 102 has the plug-in unit 116 of connection, and the bottom of notebook main frame 200 has corresponding connection slot 117, and the cooperation of the two can realize being electrically connected of battery 100 and notebook main frame 200.That is, when installing, connect plug-in unit 116 and be inserted in the connection slot 117, thereby realized being electrically connected of battery 100 and notebook main frame 200 by above-mentioned location and locking device.By suitable circuit design, also can make battery 100 and notebook main frame 200 by being connected plug-in unit 116 and being connected slot 117 and carrying out signal and transfer of data.Connect plug-in unit 116 and know in this area, for example can adopt the connector of the notebook computer model sky ease F21 of Legend Company, do not repeat them here with this socket connection mode that is connected slot 117.
Fig. 9 shows the another kind of execution mode that battery 100 and notebook main frame 200 are electrically connected.As shown in the figure, in this type of design, the battery compartment bindiny mechanism 128 of battery 100 has taked the battery compartment 126 corresponding structural designs (for example battery compartment and the corresponding battery structure of Legend Company sky ease F21) with main frame 200 original-pack battery locations, thereby can save a cover connector.Because those skilled in the art can realize this execution mode with reference to the design of the sky ease F21 of commercially available Legend Company, do not repeat them here.
Above embodiment and embodiment all are exemplary, rather than in order to limit the present invention.For example, combining between battery 100 and the battery module 114 can be aforesaid drawer type (comprising totally enclosed type or partially enclosed formula), also can be snap-in structure (jump ring+lid, the form of for example similar dry cell battery case) or alternate manner.When adopting the drawer type design, dodge gate can have been designed in battery 100 front portions, to keep the integrality form of casket body.
Interface such as high definition display interface or the like that battery 100 of the present invention also can be set up other are used to connect different miscellaneous equipments, and this moment of design between battery 100 and host computer 200 has and is electrically connected accordingly with transmission data and control signal.
The battery module 114 that inserts battery 100 can be same size (as being 6 core battery modules entirely), also can be different size combination (as 3 cores+6 cores+6 cores+9 cores+...).
Advantageously, indicator light or LCD display panel can be set on battery 100, be used for showing charge or discharge situation, the electric weight of each battery module 114, and carry out the not enough prompting of electric weight etc.
Above execution mode battery is monolayer alignment, and Figure 10 shows a design example of two-layer battery.And the present invention is not limited to this, and according to practical application, battery pack also can be designed to 3 layers, 4 layers or more multi-layered arrangement.
Figure 11 is the logic diagram of circuit of master control backboard 104.As shown in the figure, master control backboard 104 comprises: management of charging and discharging module 302, charge-discharge circuit module 304, charging module 306.Figure 11 only exemplifies, and management of charging and discharging module 302, charge-discharge circuit module 304 etc. also can otherwise place battery 100.
Charge-discharge circuit module 304 is electrically connected mutually with load, charging module 306, each battery module 114, carries out communication by bus 308 and management of charging and discharging module 302 simultaneously.The charging and the discharge circuit that have corresponding each battery module 114 in the charge-discharge circuit module 304 play switch and regulate charge or discharge electric current, voltage effect; Charge-discharge circuit in the charge-discharge circuit module 304 mainly is to be equivalent to a diverter switch and flow switch, it is responsible for the charging and the discharge order of each battery module 114 of control under the control of management of charging and discharging module 302, and according to the charging voltage of predetermined each battery module 114 of charge or discharge policy control, the order of charging current and charge and discharge is (as by the charge mode of follow-up formula step by step spoken of in the accompanying drawing 12 time, charge-discharge circuit module 302 can be regulated charging voltage and the electric current that each battery module is exported according to the situation of change of battery electric quantity amount), promptly under the instruction of management of charging and discharging module 302, connect or close the charge or discharge circuit of each battery module 114, regulate the charge or discharge voltage of each battery module 114, electric current; Can also have protection module in the charge-discharge circuit module 304, mainly be to be used to prevent overload and short circuit, can also prevent to overcharge, cross put, overvoltage, overcurrent, overheated, discharge under-voltage protection etc., it also receives from the instruction of management of charging and discharging module 302 carries out various safeguard protections; Simultaneously electric energy is offered load; Charge-discharge circuit module 304 also links to each other with the load electrical connectivity port, and electric energy is offered load.
Embodiment shown in Figure 11 only exemplifies, and replacedly, each battery module 114 also can have charge-discharge circuit module 304 separately, i.e. battery module 114 corresponding charge-discharge circuit modules 304.
Each battery module 114 has battery management unit 310 separately, be used to detect the state (for example voltage of battery module 114, electric current, electric weight, temperature etc.) and the type of each battery module 114, and the state and the type of battery module 114 sent to management of charging and discharging module 302 by data/address bus 308.Battery management unit 310 is integrated on battery module 114 battery modules, and it is the part of the battery module of standard in the prior art, does not repeat them here.
Replacedly, battery management unit 310 also can be integrated in the management of charging and discharging module 302.
Management of charging and discharging module 302 is electrically connected with charging module 306, carries out the charge or discharge operation; And be connected with charge-discharge circuit module 304, each battery management unit 310 by data/address bus 308, be connected with notebook main frame 200 by data/address bus 308 alternatively, carry out communication.Management of charging and discharging module 302 is main control modules, it detects the state (as voltage, electric current, temperature, electric weight or the like) and the type of each battery module and can carry out communication with the embedded controller (EC) in the notebook main frame 200 to manage the work that discharges and recharges of each battery module 114 by battery management unit 310, thereby controlling the charge or discharge order that each is electrically connected the battery module 114 on the port 106, and the speed that discharges and recharges and the electric weight of discharge are managed and controls; In addition, by to 302 programmings of management of charging and discharging module, can realize by customizable charging, discharge management (modes shown in Figure 13～16); Management of charging and discharging module 302 also has memory bank 312, be used for storing data, preset value (as voltage preset value, electric weight preset value, power preset value etc.) for example, battery module that is detected and energy-related information (as the voltage that detected, electric weight, power etc.).In other words, management of charging and discharging module 302, connect or close the charge or discharge circuit of each battery module 114 by charge-discharge circuit module 304, regulate charge or discharge electric current, voltage, be used to manage and control the charge or discharge order of each battery module 114, and the speed and the electric weight of charge or discharge managed and control.
Embodiment shown in Figure 11 only exemplifies, and replacedly, in another kind of embodiment, battery of the present invention comprises:
Housing is used for placing at least two battery modules;
Two or more charge-discharge circuit modules, each charge-discharge circuit module includes a charging circuit and a discharge circuit, and each battery module links to each other with a charging circuit and a discharge circuit respectively;
The management of charging and discharging module, link to each other with each charging circuit and each discharge circuit, one or more battery module is detected, and obtain the battery module detected and energy-related information, for example voltage, electric weight etc., according to detected and energy-related information, battery module is carried out management of charging and discharging.
In this embodiment, the management of charging and discharging module comprises:
Detecting unit is used at least one battery module is detected, and obtains battery module and the energy-related information detected;
Administrative unit is according to energy-related information battery module being carried out management of charging and discharging.
Equally, in the present embodiment, also comprise with some of embodiment shown in Figure 11 to the necessary parts of the present invention, element and module, for example memory bank is used for store various kinds of data, as various preset values and measured value (voltage, electric weight, power etc.).
Another aspect of the present invention relates to a kind of charge/discharge control method, is applied to comprise in the equipment of at least two battery modules, in a kind of embodiment, may further comprise the steps:
A. detect at least one battery module, obtain relevant information with the energy content of battery with at least one battery module;
B. produce the management information relevant according to the information relevant with charge or discharge with the energy content of battery;
C. according to stating the management information relevant, at least one battery module is managed, make at least one battery module enter charging, discharge or closed condition with charge or discharge.
Stating the information relevant with the energy content of battery is: information about power or information of voltage.The management information relevant with charge or discharge is: charging instruction, discharge instruction or out code.
Producing the management information relevant with charge or discharge according to the information relevant with the energy content of battery comprises:
Judge whether the information relevant with the energy content of battery reaches predetermined value;
When the information relevant with the energy content of battery reaches predetermined value, produce discharge instruction or out code; When the information relevant with the energy content of battery does not reach predetermined value, produce charging instruction.
Preferably, under charged state, predetermined value is 80%～100% first predetermined value of Full Charge Capacity or full voltage; Predetermined value is 0～10% second predetermined value of Full Charge Capacity or full voltage under discharge condition.Preferably, under charged state, predetermined value is or 90% first predetermined value of full voltage; Predetermined value is or 5% second predetermined value of full voltage under discharge condition.
Preferably, when just when the electric weight of the battery module 114 of charge or discharge reaches predetermined value, then close the charge or discharge circuit of this battery module 114, the battery module 114 of remainder is carried out steps A-D, reach predetermined value up to whole electric weight of at least two battery modules 114.
Preferably, when just when the electric weight of the battery module 114 of charge or discharge has reached predetermined value, carry out following two steps simultaneously:
Whether charge or discharge are complete just to judge battery module 114 in charge or discharge, if charge or discharge are complete, then close the charge or discharge circuit of this battery module 114;
Preferably, under discharge condition, when the magnitude of voltage of all batteries module 114 or charge value all when predetermined value is following, carry out the not enough prompting of electric weight.
Charge/discharge control method of the present invention can also comprise and detect the charger step, if the power of charger then charges to described two battery modules greater than default power at least simultaneously; If power is less than the small-power charger of default power, then described at least two battery modules charge respectively successively.
Figure 12 and Figure 13 show the characteristic curve and the workflow of the charging of follow-up formula step by step.Figure 12 is charging current, charging voltage and the battery capacity performance diagram when a mark battery module 114 is carried out the charging of follow-up formula step by step.In the curve in Figure 12, dotted line, solid line, chain-dotted line be respectively be 0 ℃, 20 ℃, 40 ℃ under characteristic curve, vertical chain-dotted line AB is illustrated in the battery module 114 that is charging and is charged to certain electric weight (as 90%, this charge volume can be by the software programming setting) time, charging control beginning simultaneously to next electric weight less than battery module charge.Adopt this kind formula control logic that step by step follows up, can effectively shorten total charging interval, raise the efficiency.
Figure 13 is an example workflow (is example with 6 core 11.4V battery modules) of formula charging method that a plurality of battery modules are followed up step by step.As shown in the figure, step is as follows:
Step S401, to electric weight less than battery module 114 begin the charging.
Step S402, the state of this battery module 114 that management of charging and discharging module 302 is transmitted according to battery management unit 310, whether charge volume or the voltage of judging this battery module 114 reach first preset value (or predetermined value) (promptly, judge electric weight or voltage 〉=first preset value), for example charge volume reaches 90% (with respect to Full Charge Capacity, electric weight all is like this in the full text), and perhaps voltage reaches 11.4V, if charge volume or voltage do not reach first preset value, then carry out step S408 and continue charging; If charge volume or voltage reach first preset value, then carry out step S404, carry out step S406 simultaneously.
In step S404, begin to next electric weight less than battery module 114 charge.
In step S406, judge whether 114 chargings of this battery module are finished, if do not finish, then carry out step S408, continue charging; If finish, then carry out step S410.
In step S410, close the charging circuit of this battery module 114, carry out step S412 then.
In step S412, judge that whether 114 chargings of all batteries module are finished, if all do not finish, then carry out step S404; If all finish, then carry out step S414.
Step S414, complete charge.
Figure 14 is for taking the flow process of order charging modes to a plurality of battery modules.As shown in the figure, step is as follows:
Step S501, begin to electric weight less than battery module 114 charging, carry out step S502 then.
Step S502 judges that whether these battery module 114 chargings are finished, if these battery module 114 chargings are not finished, then carry out step S504 and continue charging; If this charging battery module is finished, then carry out step S506.
Among the step S506, judge that whether 114 chargings of all batteries module are finished, if all do not finish, then carry out step S508; If all finish, then carry out step S510.
In step S508, begin next battery module 114 is charged.
Step S510, complete charge.
In above two kinds of charging methods, before beginning charging, can increase a charger type in addition and detect step, in this step, detect the type of charger, if power is less than the small-power charger of default power (for example commercially available charger that charges for the single battery module), then each battery module 114 is charged one by one with a kind of in above-mentioned two kinds of methods; If power then charges to a plurality of battery modules 114 simultaneously greater than the high-power charger of default power.Replacedly, also the charging modes selector button can be set on battery 100, charging modes selector buttons such as " charging of follow-up formula step by step ", " order charging ", " a plurality of batteries charge simultaneously " for example can be set, these buttons are connected with management of charging and discharging module 302, and the user can select charging modes according to the type of charger.Similarly, also can battery 100 be provided with the discharge mode selector button.
Figure 15 shows an embodiment of battery discharge flow path.As shown in the figure, step is as follows:
Step S601 begins to discharge to electric weight certain battery module greater than second preset value, then carries out step S602.
In step S602, judge whether this battery module 114 electric weight reach second preset value (being electric weight≤second preset value), and for example electric weight≤10% if electric weight does not reach second preset value, then carries out step S604, continue discharge; If electric weight reaches second preset value, then carry out step S606.
In step S606, the battery module 114 of next electric weight greater than second preset value discharged, then carry out step S608, return step S602 simultaneously.
In step S608, all whether the electric weight of judging all batteries module 114 below second preset value (being electric weight≤second preset value), if the electric weight of all batteries module 114 also not all below second preset value, then returns step S606; If the electric weight of all batteries module 114 all below second preset value, then carries out step S610.
In step S610, carry out the not enough prompting of electric weight, then carry out step S612.
At step S612, finish discharge.
Replacedly, also can adopt charging method shown in Figure 16 to discharge, promptly discharge as follows:
Step S701, electric weight begins discharge greater than certain battery module battery module 114 of second preset value (for example 10%, preferred 5%), then carries out step S702.
In step S702, judge whether this battery module 114 electric weight reach second preset value (promptly judging whether electric weight≤second preset value), if electric weight does not reach second preset value, then carry out step S708, continue discharge; If discharge capacity reaches second preset value, then carry out step S704 and step S706 simultaneously.
In step S704, begin next electric weight certain battery module battery module 114 greater than second preset value is discharged.
In step S706, judge whether 114 discharges of this battery module are finished, if do not finish, then carry out step S708, continue discharge; If finish, then carry out step S710.
In step S710, close the discharge circuit of this battery module 114, carry out step S712 then.
In step S712, whether the electric weight of judging all batteries module 114 is below second preset value, if not all below second preset value, then carry out step S701; If all below second preset value, then carry out step S714.
In step S714, carry out the not enough prompting of electric weight.
Step S716 finishes discharge.
Preferably, before the beginning charge or discharge, can also comprise the step that type and/or electric weight to battery module 114 detect, with type and electric weight it is carried out charge or discharge according to battery module 114, for example determine charge or discharge voltage, charge or discharge electric current, each battery module 114 discharge and recharge order, which battery module 114 needs charging, which battery module 114 can discharge etc.
As shown in figure 17, another preferred embodiment of charging method of the present invention may further comprise the steps:
Step S802 detects each electric weight to battery module 114;
Step S804 judges that the electric weight of all batteries module 114 all is full, if all be full all, does not then charge; If not all being full, then carry out step S806;
Step S806, to electric weight less than battery module 114 charge successively or simultaneously the charging.
In a word, battery of the present invention both can adopt the method shown in Figure 13 to 16 that each battery module 114 is carried out charge or discharge successively, also can be to a plurality of battery module 114 charge or discharge simultaneously.
Adopt the present invention program's advantage afterwards to be:
1. many battery modules 114 can be simultaneously to main frame 200 power supplies, and do not have influence on the convenience of carrying and the use of miscellaneous equipment.Battery module 114 in the battery 100 also can cooperate notebook main frame 200 to use separately.
2. but the charging of each battery module 114 in the battery 100 and discharge process are designed to multiple discharge of each battery and charging management mode, be convenient to the user and be applied to different occasions, for example, by common charger each battery module 114 is charged respectively, can charge or the like simultaneously by a plurality of battery modules 114 by big capacity charger when tight in the time.
3. only need just can be not related to main frame and carry out simultaneously a plurality of batteries being carried out order under the situation that battery module 114 plugs or charging simultaneously with same common charger.
4. because can being filled out according to user's use occasion, battery 100 inserts varying number battery module 114, thereby increase the flexibility of using greatly, for example, for the personnel that conduct a field operation, the present invention can guarantee notebook continuous one day or even the long-time use of a couple of days, with typical 14 " the display screen notebook is example; and individual layer maximum of the present invention can be held 6 group of 6 core battery; its electric weight can be up to 4400mAh * 6+4400mAh=30800mAh; calculate 4 hour service time by general 6 cores, can guarantee continuous non-stop run 28 hours.
5. if battery module 114 is carried out standardized designs (for example all module is 6 core modules), can also carry out the while quick charge by additional special-purpose many battery module 114 charging devices, this application for special industry is a solution preferably.
Though above embodiment is the battery with notebook be example the present invention will be described, the present invention is not limited to this, battery of the present invention and charging/discharging thereof can be used for various data handling systems.By simple design, as increasing or changing interface, battery of the present invention can also be used for various portable type electronic products and miniaturized electronicss such as audio player (as the MP3 player), video player (as the MP4 player), Digital Video (DV), digital camera (DC), PDA(Personal Digital Assistant), electronic dictionary, Portable GPS.
Certainly, the present invention also can have other embodiments, and the above is the preferred embodiments of the present invention only, is not to be used for limiting practical range of the present invention; Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art are every to make various corresponding variations and modification according to content of the present invention, all belongs to the protection range of claim of the present invention.
The primary clustering symbol description
100: battery
102: battery housing 104: the master control backboard
106: backboard is electrically connected plug-in unit
110: guiding projection 111: the guiding chute
112: battery chamber 113: battery chamber's sidewall
114: battery module
116: connect plug-in unit 117: connect slot
118: grab 120: draw-in groove
122: locator protrusions 123: location indentations
124: the second locking mechanisms
126: battery compartment 128: battery compartment bindiny mechanism
200: the notebook main frame
302: management of charging and discharging module 304: the charge-discharge circuit module
306: charging module 308: data/address bus
310: battery management unit 312: memory bank
Claims (14)
1. a battery has housing, and described housing is used for placing at least two battery modules; It is characterized in that, also comprise:
At least two charge-discharge circuit modules, each charge-discharge circuit module includes a charging circuit and a discharge circuit, and each battery module links to each other with a described charging circuit and a described discharge circuit respectively;
The management of charging and discharging module, link to each other with each described charging circuit and each described discharge circuit, at least one described at least two battery module is detected, and obtain described at least one described at least two battery module and energy-related information, with energy-related information described at least one described at least two battery module are carried out management of charging and discharging according to described, make when the charge volume of the battery module that is charging or voltage reach first predetermined value, to next electric weight less than battery module charge, judge simultaneously whether this battery module charges to finish; If do not finish, then continue charging; If finish, then close the charging circuit of this battery module, judge then whether all batteries module charging is finished, if all do not finish, then begin to next electric weight less than battery module charge; If all finish, complete charge then.
2. battery according to claim 1 is characterized in that, described management of charging and discharging module comprises:
Detecting unit is used for described at least one described at least two battery module are detected, and obtains described at least one described at least two battery modules and energy-related information;
Administrative unit is carried out management of charging and discharging with energy-related information to described at least one described at least two battery module according to described.
3. battery according to claim 1; it is characterized in that; described battery also comprises: protection module; be connected between described at least two battery modules and described at least two the charge-discharge circuit modules or be incorporated in described at least two charge-discharge circuit modules, be used for protecting charging circuit and discharge circuit and described at least two battery modules of described each described at least two charge-discharge circuit module.
4. battery according to claim 1 (100) is characterized in that, described housing comprises: at least two battery chambers are used to hold described at least two battery modules.
5. battery according to claim 1 is characterized in that, described battery also comprises: the master control backboard, described at least two charge-discharge circuit modules and described management of charging and discharging module are arranged on the master control backboard.
6. a notebook computer is characterized in that, comprising:
One display screen;
One main frame has first electric interfaces on the described main frame;
One battery has second electric interfaces on the described battery;
First electric interfaces on the described main frame and second electric interfaces on the described battery are electrically connected,
Wherein, described battery also comprises:
Housing is used for placing at least two battery modules;
At least two charge-discharge circuit modules, each charge-discharge circuit module includes a charging circuit and a discharge circuit, and each battery module links to each other with a described charging circuit and a described discharge circuit respectively;
The management of charging and discharging module, link to each other with each described charging circuit and each described discharge circuit, at least one described at least two battery module is detected, and obtain described at least one described at least two battery module and energy-related information, with energy-related information described at least one described at least two battery module are carried out management of charging and discharging according to described, make when the charge volume of the battery module that is charging or voltage reach first predetermined value, to next electric weight less than battery module charge, judge simultaneously whether this battery module charges to finish; If do not finish, then continue charging; If finish, then close the charging circuit of this battery module, judge then whether all batteries module charging is finished, if all do not finish, then begin to next electric weight less than battery module charge; If all finish, complete charge then.
7. notebook computer according to claim 6 is characterized in that, described management of charging and discharging module comprises:
Detecting unit is used for described at least one described at least two battery module are detected, and obtains described at least one described at least two battery modules and energy-related information;
Administrative unit is carried out management of charging and discharging with energy-related information to described at least one described at least two battery module according to described.
8. notebook computer according to claim 6 is characterized in that, described battery also comprises: the master control backboard, described at least two charge-discharge circuit modules and described management of charging and discharging module are arranged on the master control backboard.
9. a charge/discharge control method is applied to comprise in the equipment of at least two battery modules, it is characterized in that, said method comprising the steps of:
Detect at least one battery module, obtain relevant information with the energy content of battery with described at least one battery module;
Produce the management information relevant according to the described information relevant with charge or discharge with the energy content of battery;
According to the described management information relevant with charge or discharge, described at least one battery module is managed, make described at least one battery module enter charging, discharge or closed condition;
Wherein, when the charge volume of the battery module that is charging or voltage reach first predetermined value, to next electric weight less than battery module charge, judge simultaneously whether this battery module charges to finish; If do not finish, then continue charging; If finish, then close the charging circuit of this battery module, judge then whether all batteries module charging is finished, if all do not finish, then begin to next electric weight less than battery module charge; If all finish, complete charge then.
10. charge/discharge control method according to claim 9 is characterized in that, the described information relevant with the energy content of battery is: information about power or information of voltage.
11., it is characterized in that the described management information relevant with charge or discharge is according to claim 9 described charge/discharge control methods: charging instruction, discharge instruction or out code.
12. charge/discharge control method according to claim 11 is characterized in that, described relevant management information comprises with charge or discharge according to the described information generation relevant with the energy content of battery:
Judge whether the described information relevant with the energy content of battery reaches predetermined value;
When the described information relevant with the energy content of battery reaches predetermined value, produce discharge instruction or out code; When the described information relevant with the energy content of battery does not reach predetermined value, produce charging instruction.
13. charge/discharge control method according to claim 12 is characterized in that, under charged state, described predetermined value be more than or equal to full voltage 80% smaller or equal to full voltage 100% in the middle of a value; Described predetermined value is more than or equal to 0% 10% 1 value smaller or equal to full voltage of full voltage under discharge condition.
14. charge/discharge control method according to claim 12 is characterized in that, under discharge condition, when the magnitude of voltage of whole described at least two battery modules or charge value all when described predetermined value is following, carry out the not enough prompting of electric weight.
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| CN2007101775661A CN101436650B (en) | 2007-11-16 | 2007-11-16 | Battery box and charging/discharging control method thereof, notebook-type computer |
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| CN2007101775661A CN101436650B (en) | 2007-11-16 | 2007-11-16 | Battery box and charging/discharging control method thereof, notebook-type computer |
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| CN101436650B true CN101436650B (en) | 2011-12-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101931245B (en) * | 2009-06-18 | 2012-11-21 | 英业达股份有限公司 | Electronic device and battery thereof |
| CN101764395B (en) * | 2010-01-14 | 2012-05-30 | 深圳市宏电技术股份有限公司 | Low-voltage protection method for lead-acid battery and power management system |
| JP5651424B2 (en) | 2010-10-14 | 2015-01-14 | 株式会社東芝 | Power stabilization system and power stabilization method |
| CN103855749B (en) * | 2012-12-07 | 2016-11-09 | 天津中兴智联科技有限公司 | One realizes the how battery powered method and system of embedded device |
| CN104079015B (en) * | 2013-03-27 | 2018-06-01 | 联想(北京)有限公司 | Charging equipment, charging method and electronic equipment |
| CN104716723B (en) * | 2015-04-10 | 2017-11-14 | 南京视威电子科技股份有限公司 | A kind of combined type video camera battery cascade Mach-Zehnder interferometer circuit and cascade Mach-Zehnder interferometer method |
| CN105515106B (en) * | 2015-12-31 | 2019-03-05 | 国网山东省电力公司青岛供电公司 | A kind of intelligent charger for portable device |
| CN107342625B (en) * | 2016-04-28 | 2023-11-03 | 通用电气公司 | Ultrasonic diagnosis device and power supply device |
| CN106992325B (en) * | 2016-09-18 | 2020-05-12 | 陈嘉贤 | Battery module charge-discharge control method and charge-discharge control system |
| CN109962510A (en) * | 2017-12-25 | 2019-07-02 | 富泰华工业（深圳）有限公司 | Electronic equipment and power supply management-control method |
| CN108631392A (en) * | 2018-04-10 | 2018-10-09 | 华南理工大学 | A kind of the isomery multimode intelligent power management system and method for UAV navigation |
| CN113839431A (en) * | 2020-06-23 | 2021-12-24 | 光宝电子(广州)有限公司 | Backup battery system |
| CN112356686A (en) * | 2020-11-02 | 2021-02-12 | 上海鸿容信息技术有限公司 | Power device and application |
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