CN101425696A - Battery pack having charging loop and portable computer using the function - Google Patents
Battery pack having charging loop and portable computer using the function Download PDFInfo
- Publication number
- CN101425696A CN101425696A CNA2007101345930A CN200710134593A CN101425696A CN 101425696 A CN101425696 A CN 101425696A CN A2007101345930 A CNA2007101345930 A CN A2007101345930A CN 200710134593 A CN200710134593 A CN 200710134593A CN 101425696 A CN101425696 A CN 101425696A
- Authority
- CN
- China
- Prior art keywords
- power
- mentioned
- supply
- charge circuit
- brick
- 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.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a battery pack with a charging circuit and a portable computer which utilizes the function of the battery pack. The battery pack comprises a first power supply input terminal which obtains power supply from an alternating current-direct current adapter; a battery unit area charged according to the power supply and where battery units are arranged; and a charging circuit which enables the battery units to be charged through the power supply. The battery pack further comprises a pathway control circuit which supplies the power to the charging circuit and a main body part through the first power supply input terminal or provides the charging power supply of the battery units as the driving power supply for the main body part for pathway controlling under the condition that the power supply is not applied. A protection circuit for protecting the battery units is also provided in order to prevent the battery units from being excessively charged due to the charging power supply. The invention also can perform charging to the battery pack under the condition that the main body part is not loaded with the battery pack, and also has the advantages that the power supply can be supplied to the main body part from the outside.
Description
Technical field
The present invention relates to power brick and utilize the portable computer of power brick technology.Relate in particular to the supply power that the AC-DC adapter is applied and directly supply to power supply supply object, or the power brick with charge circuit by the supply power that applies charges reaches the portable computer that uses this power brick.
Background technology
Battery is divided into the battery of 1 type battery and 2 types.1 time the type battery is meant voltaic element, Daniell cell, dry cell, the battery that also has mercury battery etc. not charge.2 type batteries are lead accumulator, nickel-chromium (Ni-Cd) battery, also have the battery that reuses after the charging such as lithium ion (Li-Ion) battery.In such a 2 type batteries, lithium ion battery can not only the metric density height, voltage height when starting, and the life-span is long, and has good hold capacity.Therefore, lithium ion battery is applicable to portable computer, mobile phone, CD or walkman widely, in addition in the middle of the machine that portably uses of other personal portable terminals.
On the other hand, lithium ion battery is to adopt the high lithium metal of reactivity worth, thus contact phenomenon such as set off an explosion probably with water, so danger close.In other words, lithium ion battery is breakneck.Because safety issue, so have the shortcoming that is difficult to make height output battery that can output HIGH current.Therefore, to use the power brick of lithium ion be by the battery unit series connection or the battery cell region that constitutes and be made of the protection loop of supply power protection battery unit of being connected in parallel.
Power brick in the past is, by AC power commonly used being transformed to the adapter of DC power supply, via charger or be provided in that supply power that the charge circuit of power supply supply object applies charges.So, power brick inside does not possess above-mentioned charge circuit, and the user of above-mentioned power brick product has only to load and supplies with object with power supply or load above-mentioned power brick on charger, could be to above-mentioned power brick charging.
Especially, in the machine of the type of carrying power brick before using,, must be loaded in above-mentioned battery packages in the body of portable computer for to the charging of the power brick in the portable computer.Therefore above-mentioned portable computer user in order to give a plurality of power brick chargings, must separate the power brick of having charged and having finished, and power brick to be charged is installed.Thereby the portable computer of the power brick before using has very big inconvenience aspect the charging use power brick.
Summary of the invention
The purpose of this invention is to provide a kind of inside and possess the supply power that direct acceptance applies from the AC-DC adapter, and the power brick of the charge circuit that charges.
When another object of the present invention is to provide the supply power that directly applies by the AC-DC adapter to charge, also possesses the power brick that has to the charge circuit of body power supply.
Another purpose of the present invention is to provide to be had the supply power that directly applies by the AC-DC adapter and charges simultaneously, also possesses the portable computer that has to the power brick of the charge circuit of body power supply.
To achieve these goals, of the present invention possess have the power brick of charge circuit to comprise: series connection of more than one battery unit or the battery cell region that constitutes in parallel; Apply the power input terminal of supply power; Give the charge circuit of above-mentioned battery unit charging by above-mentioned supply power; And for above-mentioned supply power or charging are supplied with object and are connected in the portion of terminal that above-mentioned power supply is supplied with object in the charge power supply of above-mentioned battery unit.
Above-mentioned power brick also comprises: above-mentioned supply power optionally is provided to above-mentioned charge circuit or above-mentioned terminal part, or above-mentioned charge power supply is provided to the pathway control loop of above-mentioned portion of terminal.
Above-mentioned power brick also comprises: be arranged between above-mentioned battery cell region and the above-mentioned charge circuit, prevent the protection loop that above-mentioned battery unit is damaged by above-mentioned supply power.
The portable computer that utilization of the present invention to achieve these goals possesses the power brick that charge circuit is arranged comprises: supply power optionally is provided or finishes the charge power supply of charging, power brick by above-mentioned supply power; With the body of accepting supply power or charge power supply by above-mentioned power brick.
Above-mentioned power brick comprises: more than one battery unit series connection or the battery cell region that constitutes in parallel; Apply power supply the 1st input terminal of supply power; Give the charge circuit of above-mentioned battery unit charging by above-mentioned supply power; And for above-mentioned supply power or charging are connected in the 1st portion of terminal of above-mentioned body at the charge power supply of above-mentioned battery unit supply body.
Above-mentioned power brick also comprises: above-mentioned supply power selectively is provided to above-mentioned charge circuit or above-mentioned the 1st portion of terminal, or above-mentioned charge power supply is provided to the pathway control loop of above-mentioned the 1st portion of terminal.
Above-mentioned power brick also comprises: be arranged between above-mentioned battery cell region and the above-mentioned charge circuit, prevent the protection loop that above-mentioned battery unit is suffered damage by above-mentioned supply power.
Above-mentioned body comprises: be connected in the 1st above-mentioned portion of terminal, receive the 2nd portion of terminal of above-mentioned supply power or the supply of above-mentioned charge power supply by above-mentioned power brick; If during above-mentioned power brick unloaded, directly accept the 2nd power input terminal of above-mentioned power supply; According to the loading of above-mentioned power supply bag whether, by the 2nd portion of terminal or the 2nd power input terminal, receive the power supply of above-mentioned supply power or above-mentioned charge power supply, and these power supplys are re-supplied to the power control part of each device of above-mentioned body.
Above-mentioned power control part is controlled above-mentioned charge circuit above-mentioned supply power is charged to above-mentioned battery unit according to the charged state of above-mentioned battery unit.
According to above-mentioned formation, the power brick of charge circuit of the present invention and utilize the portable computer of this power brick directly receives supply power by the AC-DC adapter, supplies with object to power supply driving power is provided, and charges to battery unit by charge circuit.
The aforesaid portable computer that has the power brick of charge circuit and utilize this power brick of the present invention can directly receive supply power from the AC-DC adapter, to the battery unit charging, and apply driving power.Therefore, the present invention is that power brick is not loaded under the situation of body, can charge to power brick yet, has be input into the strong point that the supply power that comes supplies to body from the outside yet.
Description of drawings
Fig. 1 is the power brick with charge circuit of the embodiment of the invention and the structure chart of portable computer.
Fig. 2 is the rearview of portable computer of the loading power brick of the embodiment of the invention.
Fig. 3 is the end view of portable computer of the loading power brick of the embodiment of the invention.
Fig. 4 is the end view of portable computer of the unloaded power brick of the embodiment of the invention.
The reference numeral explanation:
10: power brick 11: battery cell region
12: protection loop 13: charge circuit
14: pathway control loop 15,25: power input terminal
16,26: portion of terminal 20: body
21: microprocessor 22: power brick loading portion
30: AC-DC adapter 31: power supply applies plug
Embodiment
Below, in conjunction with the accompanying drawings to the power brick with charge circuit of embodiments of the invention and utilize the portable computer of this power brick to be elaborated.
In the present invention, " supply power " is the DC power supply that after the reception AC power commonly used the AC power that receives is transformed to the AC-DC adapter output of DC power supply.
" driving power " is, by the pathway control loop of power brick, is applied to the DC power supply that power supply is supplied with object (body of portable computer).
" charge power supply " is, is charged to the battery unit of power brick, or the battery unit that is recharged is supplied with the DC power supply that object provides to power supply.
Fig. 1 is the power brick with charge circuit 10 of the embodiment of the invention and the structure chart of portable computer.
As shown in Figure 1, power brick 10 of the present invention comprises, receives the 1st power input terminal 15 of AC-DC adapter 30 and supply power (VS) and the 1st portion of terminal 16 of driving power (VD) is provided to the body 20 of portable computer.
Above-mentioned, the supply power (VS) of the AC-DC adapter 30 that the 1st power input terminal 15 receives supplies in the pathway control loop 14.
Above-mentioned pathway control loop 14 optionally is provided to charge circuit 13 or above-mentioned the 1st portion of terminal 16 directions to the supply power (VS) that receives from the 1st power input terminal 15.
Above-mentioned the 1st portion of terminal 16 for the driving power (VS) that receives from pathway control loop 14 is supplied to body 20, contacts with body 20.
The charge power supply (VC) that above-mentioned charge circuit 13 receives by pathway control loop 14 is charged to battery unit.When charge circuit 13 is complete charged state when the charged state that perceive, will stop charging.
The number of above-mentioned battery unit is along with power supply is supplied with the voltage that object drives, to constitute with a plurality of unit.Usually, portable computer possesses 6 battery units is arranged.Such battery unit constitutes series connection or state in parallel, forms battery cell region 11.
Between battery cell region 11 and charge circuit 13, possesses protection loop 12.
Above-mentioned protection loop 12 is that the charge power supply (VC) of protecting the above-mentioned battery unit that is suitable for lithium ion battery not to be recharged loop 13 outputs overcharges.Such protection loop 12 is to be made of microchip.
On the other hand, above-mentioned body 20 has, the 2nd portion of terminal 26 of the driving power that reception applies from power brick 10 (VD) and load the power brick loading portion 22 of power brick 10 directly receives the 2nd power input terminal 25 of supply power (VS) in addition from AC-DC adapter 30 when power brick 10 unloaded.
Above-mentioned the 2nd portion of terminal 26 is connected in the 1st portion of terminal 16 of power brick 10, will receive driving power (VD) by the 1st portion of terminal 16, and supplies to body 20.
Though above-mentioned power brick loading portion 22 is the bottom that is positioned at body 20 back in Fig. 1, this position can be other position.
The situation of power brick 10 is loaded in above-mentioned body 20 back, describes by Fig. 2 and Fig. 3.Fig. 2 is the rearview that shows the portable computer of Stowage Plane 1 power brick 10, and Fig. 3 is the side view of Fig. 2.There is the 2nd power input terminal 25 inside of power brick loading portion 22.Therefore, portable computer of the present invention be it seems just as the power input terminal that does not receive supply power (VS) from AC-DC adapter 30 from outward appearance.As shown in Figure 1, be sent to charge circuit 13 or body 20 from the 1st power input terminal 15 of AC-DC adapter 30 beginning supply powers (VS) by power brick 10.
Secondly, the situation that power brick 10 is not loaded in body 20 describes by Fig. 4.Fig. 4 is that the power brick 10 with charge circuit of the present invention does not have under the situation of loading, the end view of portable computer when the power supply of the adapter 30 of connection AC-DC applies plug 31.
In Fig. 4, under the situation that the 2nd power input terminal 25 does not have to load in power brick 10, receive supply power (VS) by AC-DC adapter 30, and provide driving power (VD) to body 20.The 2nd power input terminal 25 like this is arranged on power brick loading portion 22 inside.At this moment, should have and prevent that power brick loading portion 22 and the 2nd portion of terminal 26 are by the coverlay of contamination by dust (not shown).
And, also have the microprocessor 21 that control supplies to the driving power (VD) of each device at body 20.The driving power that 21 controls of above-mentioned microprocessor supply to each device simultaneously, according to the charged state of the battery unit of charge circuit 13 perception, control charge circuit 13, and battery unit charged.
Below to the power brick with charge circuit of the present invention of above-mentioned formation and utilize each operation of the portable computer of this power brick to be elaborated.
Illustrate that at first power brick 10 accepts supply power (VS), and the operation that power brick 10 is charged.The supply power of supplying with from AC-DC adapter 30 by the 1st power input terminal 15 (VS) is subjected to the control of pathway control loop 14, supplies to charge circuit 13 or by the 1st portion of terminal 16, power supply is supplied to body 20.
At this moment, power brick 10 is loaded under the situation of body 30, the charged state of the above-mentioned battery unit of charge circuit 13 perception, if not the charging completion status will be supplied with charge power supply (VC) to above-mentioned battery unit, and to above-mentioned charhing unit charging.Meanwhile, pathway control loop 14 provides supply power (VS) in order to give body 20, and the control pathway.
If power brick 10 is not loaded under the situation of body 20, pathway control loop 14 is provided to charge circuit 13 by the supply power (VS) that the 1st power input terminal 15 applies.Then, the charged state of the above-mentioned battery unit of charge circuit 13 perception if charging imperfect tense, provides charge power supply (VC) to continue charging for above-mentioned battery unit, if charging will stop charging when finishing.At this moment, constitute the charging voltage of above-mentioned battery unit of micro-chip (not shownization in the middle of the drawing) record perception in protection loop 12 and the voltage of controlling above-mentioned battery unit and be not raised to the above data of normal voltage.According to these, protection loop 12 can prevent that above-mentioned battery unit from overcharging, and is final, can protect battery unit.
By above-mentioned operation, whether irrelevant the power brick with charge circuit 10 of the present invention is with the loading of body 20, directly receives supply power (VS) from AC-DC adapter 30, and battery unit is charged.
Below power brick 10 is loaded in body 20, and the operation of driving body 20 describes by Fig. 2 and Fig. 3.Fig. 2 is the rearview of the portable computer of loading power brick 10 of the present invention.Fig. 3 is the end view of Fig. 2.Power brick 10 in Fig. 2 is loaded in body 20, and the charge power supply that is charged to power subsystem (VS) is supplied to body 20 with driving power (VD).Protecting loop 12 and charge circuit 13 this moment is opposite pathway with above-mentioned charging operations, promptly from battery cell region 11 via protecting loop 12 and charge circuit 13, finally provide charge power supply (VC) to pathway control loop 14 directions.And it is that charge power supply (VC) is supplied to the 1st portion of terminal 16 that pathway suppresses loop 14, and (VD) is applied to body 20 with driving power.Therefore, the microprocessor 21 of body 20, by the 2nd portion of terminal 26 driving power (VD) be applied to body 20 each the device in operation control.
And as shown in Figure 3, if power brick 10 is connected on the AC-DC adapter 30, the pathway control loop 14 of power brick 10 is according to the supply power (VS) that supplies to from AC-DC adapter 30, the same with above-mentioned charging operations, charging voltage (VC) is provided and, perhaps driving power (VD) is supplied on the body 20 by the 1st portion of terminal 16 to battery unit charging.Therefore, microprocessor 21 controls of body 20 are transported to the driving power (VD) of the 2nd portion of terminal 26, and supply in each device.
Pass through aforesaid operations, utilization of the present invention has the portable computer of the power brick of charge circuit, under the situation of loading power brick 10, during from AC-DC adapter 30 reception supply powers (VS), can give power brick 10 chargings, and supply with driving power (VD) to body 20.Also have, the present invention supplies with driving powers (VD) for body 20 if can not utilize the charge power supply (VC) of power brick 10 when AC-DC adapter 30 receives supply powers (VS).
Secondly, the driving of the body 20 during power brick 10 unloaded operation describes by Fig. 4.When Fig. 4 is 10 unloaded of the power brick with charge circuit of the embodiment of the invention, load the end view of the portable computer that applies attaching plug 31 of AC-DC adapter 30.As shown in Figure 4, under the situation of power brick 10 unloaded, regulate attaching plug 31 and will be connected on the 2nd power input terminal 25 of power brick loading portion 22 inside.Therefore, the supply power (VS) by the 2nd power input terminal 25 applies according to the control of microprocessor 21, supplies to power supply on each device of body 20.
By above-mentioned operation, utilizing the portable computer with power brick 10 of charge circuit of the present invention is when power brick 10 unloaded, can directly receive supply power (VS) from AC-DC adapter 30, and drive each device of body 20.
Embodiments of the invention are to utilize the power brick of lithium ion battery to illustrate, but it also be applicable to, as nickel-chromium (Ni-Cod) battery, also have in the power brick of 2 property batteries that can charge once more of lithium electronics (Li-Ion) battery etc.
And, embodiments of the invention are that the portable computer that utilizes power brick has been described, make on the equipment but this technology also can be used on the portable of use power brick such as pocket telephone or personal information terminal, digital camera, portable game machine, walkman player.
Certainly; those skilled in the art will be appreciated that above embodiment is used for illustrating the present invention, and is not as limitation of the invention; as long as in connotation scope of the present invention, all will drop in the scope of protection of the invention variation, the modification of the above embodiment.
Claims (9)
1, a kind of power brick with charge circuit is characterized in that, comprising:
More than one battery unit series connection or the battery cell region that constitutes in parallel;
Apply the power input terminal of supply power;
By the charge circuit of above-mentioned supply power to above-mentioned battery unit charging; And
Supply with object for above-mentioned supply power or the power supply that is charged to above-mentioned power subsystem are supplied to power supply, have with power supply and supply with the portion of terminal that object is connected.
2, the power brick with charge circuit as claimed in claim 1 is characterized in that, also comprises:
Above-mentioned supply power optionally supplied with above-mentioned charge circuit or offer the pathway control loop of above-mentioned portion of terminal.
3, the power brick with charge circuit as claimed in claim 1 is characterized in that, also comprises:
Be arranged between above-mentioned battery cell region and the above-mentioned charge circuit, prevent the protection loop that above-mentioned battery unit is damaged by above-mentioned supply power.
4, a kind of utilization has the portable computer of the power brick of charge circuit, it is characterized in that, comprising:
Supply power optionally is provided or finishes the charge power supply of charging by above-mentioned supply power;
Power brick; And
Receive the body of supply power or charge power supply by above-mentioned power brick.
5, utilization as claimed in claim 4 has the portable computer of the power brick of charge circuit, it is characterized in that, above-mentioned power brick comprises:
More than one battery unit series connection or the battery cell region that constitutes in parallel;
Apply power supply the 1st input terminal of supply power;
Give the charge circuit of above-mentioned battery unit charging by above-mentioned supply power; And
For above-mentioned supply power or the charge power supply that is charged to above-mentioned battery unit are supplied with body, and be connected in the 1st portion of terminal of above-mentioned body.
6, utilization as claimed in claim 4 has the portable computer of the power brick of charge circuit, it is characterized in that, above-mentioned power brick also comprises:
Above-mentioned supply power optionally is provided to above-mentioned charge circuit or above-mentioned the 1st portion of terminal, or above-mentioned charge power supply is provided to the pathway control loop of above-mentioned the 1st portion of terminal.
7, utilization as claimed in claim 4 has the portable computer of the power brick of charge circuit, it is characterized in that, above-mentioned power brick also comprises:
Be arranged between above-mentioned battery cell region and the above-mentioned charge circuit, prevent the protection loop that above-mentioned battery unit is damaged by above-mentioned supply power.
8, utilization as claimed in claim 4 has the portable computer of the power brick of charge circuit, it is characterized in that, above-mentioned body also comprises:
Be connected in the 1st above-mentioned portion of terminal, receive the 2nd portion of terminal of above-mentioned supply power or the supply of above-mentioned charge power supply by above-mentioned power brick;
If during above-mentioned power brick unloaded, directly accept the 2nd power input terminal of above-mentioned power supply; And
According to the loading of above-mentioned power supply bag whether, by the 2nd portion of terminal or the 2nd power input terminal, receive above-mentioned supply power or above-mentioned charge power supply, and these power supplys are re-supplied to the power control part of each device of above-mentioned body.
9, the portable computer of a kind of utilization as claimed in claim 8 with power brick of charge circuit is characterized in that:
Above-mentioned power control part is controlled above-mentioned charge circuit according to the charged state of above-mentioned battery unit, and above-mentioned supply power is charged to above-mentioned battery unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101345930A CN101425696A (en) | 2007-11-02 | 2007-11-02 | Battery pack having charging loop and portable computer using the function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101345930A CN101425696A (en) | 2007-11-02 | 2007-11-02 | Battery pack having charging loop and portable computer using the function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101425696A true CN101425696A (en) | 2009-05-06 |
Family
ID=40616097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101345930A Pending CN101425696A (en) | 2007-11-02 | 2007-11-02 | Battery pack having charging loop and portable computer using the function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101425696A (en) |
-
2007
- 2007-11-02 CN CNA2007101345930A patent/CN101425696A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI276279B (en) | Method and system for cell equalization using state of charge | |
| US20090075704A1 (en) | Mobile communication device with charging module | |
| CN1307742C (en) | Back-up battery for cellular telephone | |
| US20080284370A1 (en) | Portable Battery Operated Power Supply | |
| KR101975393B1 (en) | External battery | |
| US6169384B1 (en) | Power source system for portable electronic devices | |
| JP2008131707A (en) | Charger for cellular phone | |
| US20110227536A1 (en) | Battery with universal charging input | |
| AU2002236363A1 (en) | Back-up battery for a cellular telephone | |
| JP2014515251A (en) | Low cost quick charger and method with internal accumulator | |
| CN102013531B (en) | Method of charging battery pack and battery pack | |
| EP2128879A2 (en) | Expandable energy storage for portable electronic devices | |
| US8710794B2 (en) | Method and apparatus for a battery docking connector having reserve power for hot battery swap | |
| JP3829441B2 (en) | Secondary battery control device, battery pack provided with secondary battery control device, and secondary battery control method | |
| JPH08241705A (en) | Battery | |
| CN101425696A (en) | Battery pack having charging loop and portable computer using the function | |
| JPH09159738A (en) | Device for testing charge and discharge of secondary battery | |
| US9768633B2 (en) | External battery and driving method thereof | |
| KR100694062B1 (en) | Apparatus and control method for charging multi-battery | |
| JP2006340451A (en) | Charging method and charger | |
| KR102161289B1 (en) | External battery | |
| US20050042504A1 (en) | Li-ion secondary battery with double standard cells | |
| US7056619B2 (en) | Chargeable battery for medical diagnostic instruments | |
| KR200446304Y1 (en) | Solar charger dischagible or chargible to usb port | |
| JP3573495B2 (en) | Rechargeable battery charging method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090506 |