CN201754256U - Notebook computer and battery thereof - Google Patents

Notebook computer and battery thereof Download PDF

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Publication number
CN201754256U
CN201754256U CN2010202646010U CN201020264601U CN201754256U CN 201754256 U CN201754256 U CN 201754256U CN 2010202646010 U CN2010202646010 U CN 2010202646010U CN 201020264601 U CN201020264601 U CN 201020264601U CN 201754256 U CN201754256 U CN 201754256U
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CN
China
Prior art keywords
battery
electric
notebook computer
module
electric core
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Expired - Fee Related
Application number
CN2010202646010U
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Chinese (zh)
Inventor
徐炳林
屈闯
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN2010202646010U priority Critical patent/CN201754256U/en
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Publication of CN201754256U publication Critical patent/CN201754256U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model provides a notebook computer and a battery thereof. The notebook computer comprises a main board, the battery and a peripheral circuit, wherein the main board is connected with the battery via a connector. The main board is provided with an electricity meter module, and the battery consists of a battery pack and a protective circuit module; or the main board is provided with a circuit board, the circuit board comprises a protective circuit module and an electricity meter module, and the battery consists of a battery pack. Further, the protective circuit module is used for controlling charge and discharge of the battery and protecting the battery, and the electricity meter module is used for detecting and reading battery information to the main board. The battery has the advantages of overcoming the shortage that the electricity meter of the battery is required to keep the same communication protocol with the notebook computer, and can be suitable for various notebook computers, thereby bringing convenience to assorted use of the notebook computer and the battery.

Description

A kind of notebook computer and battery thereof
Technical field
The utility model belongs to communication field, relates in particular to a kind of notebook computer and battery thereof.
Background technology
Notebook computer because easy to carry, movability good, become necessary tool in the people life, yet its good movability must be unable to do without battery.Cells in notebook computer is generally by electric battery (being made up of a plurality of electric core serial or parallel connections) at present; circuit board (comprising voltameter module and holding circuit module) and some peripheral circuits constitute; its principle of work is: one or more electric core is formed electric battery by serial or parallel connection and is connected in the battery protecting circuit module; battery can carry out normal charge and discharge process under the normal condition; but when battery is unusual; the battery protecting circuit module is done some protections to battery; as being done, battery overcharges; overdischarge; excess current; protections such as short circuit; detect battery information by the voltameter module again; these information are passed to notebook computer by certain order wire; thereby can allow the user well understand battery information; but this design is when battery breaks down or become seldom owing to electric weight after discharging and recharging repeatedly circulation; the replacing battery is pretty troublesome; not only to consider the space problem whether battery can be put into; even satisfy on the space; but because the communication protocol that needs to keep identical between the voltameter module of battery and the notebook computer just can be contained in the notebook computer; therefore; when the electric core of battery has been broken; just must change a battery that has identical communication protocol with notebook computer again; so just limited the versatility of cells in notebook computer greatly; and then also lost the good movability of notebook computer; and the circuit protection module in this waste battery also is to have utilized again; make the wasting of resources, cost increases.
The utility model content
The utility model provides a kind of notebook computer and battery thereof for solving the problems of the technologies described above, and this battery has versatility, can be fit to various notebook computers, and then makes things convenient for notebook computer and the supporting use of battery to change battery.
The utility model provides a kind of notebook computer, comprise mainboard, battery, mainboard is connected by connector with battery, it is characterized in that: described mainboard is provided with the voltameter module, described battery is made up of electric battery and holding circuit module, wherein, described electric battery is made up of an electric core, perhaps form by two or more electric core serial or parallel connections, described holding circuit module is used to control battery charging and discharging and battery protection, and described voltameter module is used for detecting and reads battery information and give mainboard; Perhaps
Described mainboard is provided with circuit board; this circuit board comprises holding circuit module and voltameter module; described battery is made up of electric battery; described holding circuit module is used to control battery charging and discharging and battery protection; described voltameter module is used for detecting and reads battery information and give mainboard; wherein, described electric battery is made up of an electric core, perhaps is made up of two or more electric core serial or parallel connections.
The utility model also provides a kind of cells in notebook computer, and this battery is made up of electric battery, and wherein said electric battery is made up of an electric core, perhaps is made up of two or more electric core serial or parallel connections; Perhaps
This battery is made up of electric battery and holding circuit module, and described holding circuit module is used to control battery charging and discharging and battery protection, and wherein said electric battery is made up of an electric core, perhaps is made up of two or more electric core serial or parallel connections.
Advantage of the present utility model: the utility model is that existing cells in notebook computer is improved; specifically be that the circuit board (comprising voltameter module and holding circuit module) of existing battery is separated; be located on the main board for notebook computer; perhaps the voltameter module is separated on the mainboard that is located at notebook computer, and cells in notebook computer of the present utility model only comprises electric battery or only comprise electric battery and the holding circuit module.In the time of can avoiding the electric battery of existing battery to go bad replacing like this, need change circuit board simultaneously, cause the waste of material.Because existing notebook computer needs need keep the identical supporting use of communication protocol ability with the voltameter module of battery, make existing notebook computer select for use battery that certain limitation is arranged like this, and the battery that the utility model provides has made things convenient for the supporting use of notebook computer and battery applicable to various notebook computers.
Description of drawings
The embodiment circuit block diagram that Fig. 1 provides for the utility model;
Another embodiment circuit block diagram that Fig. 2 provides for the utility model.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Core of the present utility model is: will have cells in notebook computer now and split, a part is installed on the mainboard of notebook computer, remainder is formed the battery of notebook computer, purpose is to avoid need considering whether have identical communication protocol between existing notebook computer and the battery, thereby brings the technical matters of very big inconvenience for the use of notebook computer.
Because the utility model is to make improvements at existing cells in notebook computer to obtain, therefore, at first existing cells in notebook computer is simply introduced for the clear the technical solution of the utility model of describing.Existing cells in notebook computer generally is to be made of electric battery (electric core, perhaps two or more electric core serial or parallel connections are formed), circuit board (comprising voltameter module and holding circuit module) and some peripheral circuits.
For realizing above-mentioned technical purpose, the utility model comprises two kinds of technical schemes.
Scheme one of the present utility model: the voltameter module is separated; and with the voltameter module on main board for notebook computer; the electric battery that remaining holding circuit module and electric core are formed battery constitutes cells in notebook computer of the present utility model; certainly; this cells in notebook computer also comprises peripheral circuit; because peripheral circuit is the ingredient of existing battery, therefore, the utility model is not done specific descriptions to peripheral circuit.This battery links to each other with mainboard by connector, and then realizes discharging and recharging operation.This battery has security well, thereby and since the voltameter module no longer the electric weight of consuming cells make the self-discharge of battery time longer.
Scheme two of the present utility model: voltameter module in the circuit board and holding circuit module are separated; by voltameter module and holding circuit module are accomplished on the mainboard of notebook computer; the simple electric battery of being made up of electric core constitutes cells in notebook computer of the present utility model; identical with scheme one, this battery also comprises peripheral circuit.This battery links to each other with mainboard by connector, and then realizes discharging and recharging operation.The security of this battery is than the security that slightly is worse than scheme one battery, but the equal consuming cells electric weight not of its circuit protection module and voltameter module, so the self-discharge of battery duration then be longer than the self discharge time of scheme one battery.
Cells in notebook computer in above-mentioned two kinds of schemes has versatility, applicable to various notebook computers, has made things convenient for the supporting use of notebook computer and battery.
Following mask body is described technology contents of the present utility model in conjunction with the accompanying drawings in detail.
The embodiment circuit block diagram that Fig. 1 provides for the utility model, this figure comprises main board for notebook computer 1, battery 9, main board for notebook computer 1 is connected by connector 5 with battery 9.In this explanation be: connector of the present utility model is made up of male and the female that matches with it, male and female can be located at respectively on main board for notebook computer 1 and the battery 9, the realization notebook computer is connected with battery 9, be located on the main board for notebook computer 1 as male, then female is located on the battery 9, perhaps male is located on the battery 9, and then female is located on the main board for notebook computer 1.Wherein, battery 9 comprises that the holding circuit module 4 and the thermistor 6 of electric battery 2, field effect transistor 7 and protection chip 8 compositions that three electric cores are in series constitute; certainly; this battery 9 also comprises peripheral circuit (not drawing among the figure); because existing battery also comprises peripheral circuit; to those skilled in the art, realize that in conjunction with the peripheral circuit of existing battery peripheral circuit of the present utility model is easy to realize, therefore do not do detailed description at this.This battery 9 is compared with existing battery, lacked voltameter module 3 than existing battery, promptly from existing battery, split voltameter module 3 and it is contained on the main board for notebook computer 1, in the time of so just can avoiding the supporting use of existing battery and notebook computer well, need confirm also whether the communication protocol of voltameter module 3 of this battery is consistent with the communication protocol of main board for notebook computer 1.The main effect of voltameter module 3 is: be used for detecting and reading battery information and send main board for notebook computer 1 to.
Consult Fig. 1 as can be known, three electric cores are composed in series electric battery 2 mutually, and pin VC1, VC2, VC3, VC4, the VC5 of protection chip 8 link to each other with three electric cores, are used for detecting three voltages on the electric core.Particularly, VC1 links to each other with electric battery 2 negative poles (i.e. the negative pole of the 3rd electric core), VC2 links to each other with the negative pole (i.e. the positive pole of the 3rd electric core) of second electric core, VC3 and first electric core negative pole (i.e. the positive pole of second electric core) link to each other, VC4 and first electric core positive pole (being electric battery 2 positive poles) link to each other, VC5 and VC4 two pins join.Certainly this electric battery 2 also can be made up of an electric core, and two electric core serial or parallel connections are formed, and four or more electric core serial or parallel connection is formed.Described protection chip 8 is mainly used in the both positive and negative polarity voltage of gathering each electric core in the electric battery.When electric battery 2 was made up of an electric core, the VC1 of protection chip 8 linked to each other with electric core negative pole, links to each other with the positive pole of electric core behind VC2, VC3, VC4 and the VC5 short circuit; When electric battery 2 is composed in series by two electric cores, VC1 links to each other with electric battery 2 negative poles (i.e. the negative pole of second electric core), VC2 links to each other with the negative pole (i.e. the positive pole of second electric core) of first electric core, links to each other with battery anode (positive pole of the first electric core) behind VC3, VC4 and the VC5 short circuit; When electric battery 2 is made up of 4 electric cores; then the VC1 of protection chip 8 can be linked to each other with electric battery 2 negative poles (i.e. the negative pole of the 4th electric core); VC2 links to each other with the negative pole (i.e. the positive pole of the 4th electric core) of the 3rd electric core; VC3 and second electric core negative pole (i.e. the positive pole of the 3rd electric core) link to each other; VC4 and first electric core negative pole (i.e. the positive pole of second electric core) link to each other, VC5 links to each other with electric battery 2 positive poles (being the positive pole of first electric core).Need to prove herein when electric battery 2 by a plurality of electric cores (i.e. the electric battery that is connected to form greater than four electric cores) when serial or parallel connection is formed; can be corresponding the pin that links to each other with electric battery 2 of increase protection chip 8; the connection of its pin is with reference to the connection of above-mentioned protection chip 8 with electric battery 2; only need corresponding adjustment to get final product; because this technology also is the state of the art, does not therefore just do one by one and enumerate at this.The pin CHG of protection chip 8; DSG respectively with field effect transistor 7 in the charging field effect transistor gate pole (the G utmost point) and the discharge field effect transistor gate pole (the G utmost point) link to each other; the source electrode (the S utmost point) of charging field effect transistor connects electric battery 2 positive poles; drain electrode (the D utmost point) connects the source electrode (the S utmost point) of discharge field effect transistor; the drain electrode (the D utmost point) of discharge field effect transistor connects the VP terminal; protection chip 8 is finished battery charging and discharging and protective effect by control field effect transistor 7; during operate as normal; if do not detect any unusual condition; charging and discharge process all will freely be changed; voltage is higher than overcharged voltage and the duration reaches the time of overcharging when detecting; protection chip 8 drags down pin CHG, has reached protective effect thereby turn-off the charging field effect transistor, in like manner; when detecting the overdischarge condition and reach; protection chip 8 drags down pin DSG, turn-offs the discharge field effect transistor, when overcharging with the overdischarge releasing; protection chip 8 is drawn high pin CHG and DSG again, makes battery 9 operate as normal.Thermistor 6 is used for detecting battery 9 temperature, and it connects the TH terminal.Electric battery 2 negative pole splicing ear VG.
The main board for notebook computer 1 of present embodiment comprises existing C PU, north and south bridge and EC, than existing main board for notebook computer, has increased voltameter module 3 (as described above, remove be contained on the main board for notebook computer the voltameter module of battery).Three leading-out terminal VG, TH of battery 9 and VP by connector 5 respectively with main board for notebook computer 1 on voltameter module 3 be connected corresponding of three terminal VG, TH of drawing with VP, the port DATA of voltameter module 3 links to each other with EC respectively with terminal CLK.Voltameter module 3 is mainly used to detect and read battery information, and this information sends notebook computer to, and then finishes the charge and discharge process of battery.
Another embodiment circuit block diagram that Fig. 2 provides for the utility model, consult Fig. 2 as can be known, this embodiment is an another kind of scheme of the present utility model, in this scheme, battery 11 is made of electric battery 2, thermistor 6, and described electric battery 2 is composed in series by three electric cores, certainly, this battery 11 also comprises peripheral circuit, because this peripheral circuit is the state of the art, does not therefore elaborate at this.The mainboard 10 of notebook computer comprises existing C PU, north and south bridge and EC; holding circuit module 4 and voltameter module 3 (promptly splitting the holding circuit module and the voltameter module of getting off from existing battery) also are installed, and battery 11 links to each other by connector 5 with main board for notebook computer 10.In the time of so also can avoiding existing battery to be contained in notebook computer, need confirm also whether the communication protocol of voltameter module of this battery is consistent with the communication protocol of main board for notebook computer.
Electric battery 2 is drawn five terminal VP, VH1, VH2, VG and TH by lead-in wire, wherein VG links to each other with electric battery 2 negative poles (i.e. the negative pole of the 3rd electric core), VH2 links to each other with the negative pole (i.e. the positive pole of the 3rd electric core) of second electric core, VH1 and first electric core negative pole (i.e. the positive pole of second electric core) link to each other, VP and first electric core positive pole (being battery anode) link to each other, TH links to each other with thermistor 6.Five corresponding connections of terminal that five terminal VP, VH1, VH2, VG and the TH that above-mentioned electric battery 2 is drawn draw with main board for notebook computer 10 respectively by connector 5.Wherein holding circuit module 4 links to each other with VP, VH1, VH2, VG terminal, is used to control battery 11 and discharges and recharges and protect.Voltameter module 3 links to each other with TH with VP, VG, is used for detecting and reading battery information, and links to each other with EC with CLK by the port DATA of voltameter module 3, then can send this information to notebook computer, and then finish the charge and discharge process of battery.Need to prove at this: electric battery 2 also can be made up of an electric core, and two electric core serial or parallel connections are formed, and four or more electric core serial or parallel connection is formed.Described protection chip 8 is mainly used in the both positive and negative polarity voltage of gathering each electric core in the electric battery 2.When electric battery 2 is made up of an electric core; two terminals of positive pole and negative pole that 2 need of electric battery are drawn electric core link to each other with holding circuit module 4 by connector 5; when electric battery is composed in series by two electric cores; only need draw the positive pole of first electric core; three terminals of negative pole of the negative pole of first electric core (positive pole of second electric core) and second electric core link to each other with holding circuit module 4 by connector 5; with should electric battery 2 by four and four with the core serial or parallel connection that powers on; then connect with reference to above-mentioned connected mode; because electric battery 2 is a prior art with being connected of holding circuit module 4, therefore do not do too much description at this.Correct in order to ensure the performance the best of above-mentioned battery and battery information, use-pattern is as follows: after battery is made, thereby to just make the battery self study reflect that correctly battery information makes it to reach optimal performance through discharging and recharging fully at least once, and consider safety factor, battery can only charge with mobile device, does not directly charge with power supply.
Need to prove at this: among above-mentioned two embodiment; voltameter module 3 and holding circuit module 4 that we use; consider that they can adopt different chips; and pin of chip neither be identical; and the chip selected for use of voltameter module 3 and holding circuit module 4; it is prior art to those skilled in the art that its concrete which pin is connected with electric battery; therefore, the utility model has only provided the connection block diagram of voltameter module 3, holding circuit module 4 and electric battery 2.Inventive point of the present utility model mainly is existing battery is split; a part is contained on the main board for notebook computer; remaining part is formed new battery; certainly voltameter module 3, holding circuit module 4 and electric battery 2 these several vitals of battery have only been said more than; battery also comprises peripheral circuit; because peripheral circuit is a prior art, therefore in the utility model, do not do detailed description.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (6)

1. notebook computer, comprise mainboard, battery, mainboard is connected by connector with battery, it is characterized in that: described mainboard is provided with the voltameter module, described battery is made up of electric battery and holding circuit module, wherein, described electric battery is made up of an electric core, perhaps is made up of two or more electric core serial or parallel connections, described holding circuit module is used to control battery charging and discharging and battery protection, and described voltameter module is used for detecting and reads battery information and give mainboard; Perhaps
Described mainboard is provided with circuit board; this circuit board comprises holding circuit module and voltameter module; described battery is made up of electric battery; described holding circuit module is used to control battery charging and discharging and battery protection; described voltameter module is used for detecting and reads battery information and give mainboard; wherein, described electric battery is made up of an electric core, perhaps is made up of two or more electric core serial or parallel connections.
2. notebook computer according to claim 1 is characterized in that: described electric battery is composed in series by three or four electric cores.
3. notebook computer according to claim 1 and 2 is characterized in that: described holding circuit module comprises protection chip and field effect transistor, and described protection chip is finished battery charging and discharging and protective effect by the control field effect transistor.
4. cells in notebook computer, it is characterized in that: this battery is made up of electric battery, and wherein said electric battery is made up of an electric core, perhaps is made up of two or more electric core serial or parallel connections; Perhaps
This battery is made up of electric battery and holding circuit module, and described holding circuit module is used to control battery charging and discharging and battery protection, and wherein said electric battery is made up of an electric core, perhaps is made up of two or more electric core serial or parallel connections.
5. cells in notebook computer according to claim 4 is characterized in that: described electric battery is composed in series by three or four electric cores.
6. according to claim 4 or 5 described cells in notebook computer, it is characterized in that: described holding circuit module comprises protection chip and field effect transistor, and described protection chip is finished battery charging and discharging and protective effect by the control field effect transistor.
CN2010202646010U 2010-07-16 2010-07-16 Notebook computer and battery thereof Expired - Fee Related CN201754256U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106887562A (en) * 2015-12-15 2017-06-23 小米科技有限责任公司 The assemble method of the protection mainboard, electric terminal and electric terminal battery core of battery core
CN108539295A (en) * 2017-03-06 2018-09-14 北京小米移动软件有限公司 Electronic equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106887562A (en) * 2015-12-15 2017-06-23 小米科技有限责任公司 The assemble method of the protection mainboard, electric terminal and electric terminal battery core of battery core
US10587013B2 (en) 2015-12-15 2020-03-10 Xiaomi Inc. Protective main board for battery cell, electronic terminal and method for assembling battery cell of electronic terminal
CN108539295A (en) * 2017-03-06 2018-09-14 北京小米移动软件有限公司 Electronic equipment

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110302

Termination date: 20160716