CN103956441A - Battery pack and electric tool using the same - Google Patents
Battery pack and electric tool using the same Download PDFInfo
- Publication number
- CN103956441A CN103956441A CN201310559133.8A CN201310559133A CN103956441A CN 103956441 A CN103956441 A CN 103956441A CN 201310559133 A CN201310559133 A CN 201310559133A CN 103956441 A CN103956441 A CN 103956441A
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- CN
- China
- Prior art keywords
- power brick
- output voltage
- rated output
- battery core
- electric tool
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a battery pack with rated voltage of 50-110 V, and provides an electric tool using the battery pack. Especially, when a battery more than 60 V is used as a power supply, the usage current can be reduced under the same power requirements, or power can be improved significantly. The invention solves the problem that the existing portable gardening tools when used for a long time use the gasoline engine as power, causing serious pollution, and the gasoline engine is heavy and inconvenient to carry, or the problem that most existing portable tools using lithium battery as power have voltage at 20-40 V or so, under the same output power requirements, the power supply circuit are mostly at 20-40 A, and large output current causes large calorific value, resulting in a waste of energy. And overheating of the machine also easily causes machine failure etc.
Description
Technical field
The present invention relates to field of power tools, especially a kind of power brick and use the electric tool of this power brick.
Background technology
Current portable dam is as garden instrument, in the instruments such as hand-operated tools, the in the situation that of the long-time use of needs, mostly use small-sized gasoline engine as power source, with miniature gasoline engine, as power source, often consume energy larger, machines cumbersome and to get rid of a large amount of exhaust emissions comparatively serious.In addition under existing lithium battery packet technology, that this type of instrument of part is brought into use is small-sized, low capacity, low-voltage, lower powered lithium battery be as power.Generally the voltage of this type electric tool is 20-40V, and generally the power of this type electric tool is below 800W.Its operating current is often up to 10A-40A like this, and under the state of high electric current, the own caloric value of electric tool inside and battery is high, has a strong impact on the useful life of this type of instrument and battery.
Summary of the invention
The present invention, in order to overcome the deficiency of background technology, provides a kind of high-voltage battery bag, and the electric tool that uses this power brick.
The present invention realizes by following technical measures: a kind of power brick, comprise housing, and in described housing, comprise: be fixed on the support in housing; Be fixedly installed the several sections of rechargeable lithium battery monomer list cores of arranging mutually; Monomer battery core is embedded in support; For detection of the control board of controlling power brick output; The rated output voltage of described power brick is 50-110V.Monomer battery core becomes matrix to arrange, and by several monomer battery core series connection in groups, power brick at least comprises one group of monomer battery core.
As preferred technical scheme, the rated output voltage of power brick is 60-80V.The rated output voltage of this power brick can be more preferably: 65 ± 5V, 75 ± 5V, 80 ± 5V, 100 ± 5V, 110 ± 5V.
The electric tool of the described power brick of a kind of adaptation is also provided in addition, and described electric tool comprises:
Main casing, power brick, as previously mentioned, and it connects with the work package in main casing; Drive motors, described drive motors is arranged in main casing; Executive item, described executive item be arranged in main casing, by described drive motors, driven; Control module, power brick is wrapped at least partly in main casing or is electrically connected to described drive motors and control module by connector.The rated output voltage of power brick is 80 ± 5V.Electric tool is portable chain saw, trimmer, grass-mowing machine, hair-dryer, sweep-saw, hay mover, jetting machine, air compressor machine.Drive motors is brshless DC motor.
The invention has the beneficial effects as follows: battery more than employing 60V, as power supply, under Same Efficieney requires, can reduce use electric current.Or can improve significantly power.
Accompanying drawing explanation
Fig. 1 means a structural representation of power brick.
Fig. 2 means a structural representation of power brick member one battery core group.
Fig. 3 means the internal structure schematic diagram of the power brick being combined into by two groups of battery core groups.
Fig. 4 means the structural representation of the parts of electric tool.
Fig. 5 means the structural representation of the hair-dryer of this power brick of application.
Fig. 6 means the structural representation of the grass-mowing machine of this power brick of application.
Fig. 7 means the structural representation of the sweep-saw of this power brick of application.
In figure, represent: 1, power brick, 2, housing, 3, chute, 4, dead bolt, 5, button, 6, support, 6a, support, 7, battery core group, 8, interface, 9, control board, 10, electricity quantity display module, 11, terminal, 12, main casing, 13, drive motors, 14, executive item, 15, control module, 16, Interface Terminal, 17, hair-dryer, 18, grass-mowing machine, 19, sweep-saw.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.And should be appreciated that as used herein wording and term are for illustration purpose, and the property of should not be considered as limiting.The variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Power brick or battery pack are set to be used for to one or more electrical equipment as the hand held electric tools such as hair-dryer, chain saw or garden instrument power supply.
As shown in Fig. 1 or 2, power brick 1 comprises housing 2, on housing 2, be provided with chute 3, when this chute 3 fits over electrical equipment for this battery packages, coordinate with electrical equipment and chute and be electrically connected to realize, on housing 2, be also provided for battery pack locking the locking device in electrical equipment.Locking device comprises a dead bolt 4, dead bolt 4 connect housing 2 arranged outside at power brick exposed button 5 during with electrical equipment assembling, when pressing this button 5, dead bolt 4 bounces back so that power brick 1 unlocks, power brick 1 can remove from electrical equipment in this case.
In the internal structure of power brick, realize, as shown in Figure 2 or Figure 3, in housing 2, comprise: be fixed on the 6a in the support 6(Fig. 3 in housing), Fig. 2 shows one group of battery core group 7 that a row is in series by several sections of monomer battery cores, wherein monomer battery core (lithium battery electric core) contains nominal voltage, this nominal voltage can be made 3.5V-4.2V or make as required greater or lesser voltage range, certainly in monomer battery core in actual discharge process, also can be according to the difference of its discharge scenario, its actual output voltage floats within the scope of certain error, a battery core group shown in Fig. 2, preferred monomers battery core voltage is 3.6V, when total power brick is usingd 65V during as the output voltage of power brick, need the above-mentioned monomer battery core of 18 or 19 joint to be connected into one group (transversely), in the present embodiment, select 18 joint monomer battery core series connection, first-selected every 3 joints are connected into a cylindricality battery core group, then adopt 6 such cylindricality battery core groups to be arranged in order and the first series connection, then on the control circuit of its output, realize the fine setting of voltage, to reach the standard output voltage of final needs.
Selection on the capacity of battery is that following mode realizes as shown in Figure 3: capacity first as required, increase at least one group of battery core group identical with above-mentioned first group of battery core quantity, and then every group of corresponding monomer battery core, be in parallel.The capacity of power brick will increase with the capacity of every group of battery core like this, according to the operating time of the load of power brick or its power supply, need to set its required capacity.According to aforesaid way, be that monomer battery core becomes matrix to arrange in addition, by several monomer battery core series connection in groups, power brick at least comprises one group of monomer battery core.Or being more suitable for the mode of monomer battery core assembling, is that 50-110V can be further 60-80V selecting the rated output voltage that power brick is power brick.The rated output voltage of this power brick can be more preferably: 65 ± 5V, 75 ± 5V, 80 ± 5V, 100 ± 5V, 110 ± 5V.As can adopting the monomer battery core of 14 joint 3.6V, the power brick of 50V connects, the power brick of 75V can adopt 21 joints, 80V power brick adopts 22 or 23 joints, 100V power brick adopts 27 or 28 joints, 110V power brick adopts the above-mentioned monomer battery core series connection of 30 or 31 joint, certainly the series connection of saying here refers to and is connected into a battery core group that reaches output voltage, will adopt the mode of increase battery core group to increase the quantity of monomer battery core as increased its capacity.
In some structures, the battery core in power brick can be that one or more are the lithium battery of stock based on lithium cobalt (Li-Co), lithium manganese (Li-Mn), spinelle or lithium manganese nickel.
As shown in Figure 3, power brick inside also comprises for detection of the control board 9 of controlling power brick output other structures of power brick inside.On control board 9, be provided with for showing the electricity quantity display module 10 of power brick electric weight, one end of control board arranges or is placed with and is electrically connected to the terminal 11 that electrical equipment is used, and during assembling, terminal 11 is corresponding with the interface 8 of housing.
The electric tool of the described power brick of a kind of adaptation is also provided in addition, and as shown in 4, described electric tool comprises: main casing 12, foregoing power brick 1, power brick 1 connects with the parts of work in main casing 12, drive motors 13, and drive motors 13 is arranged in main casing 12; Executive item 14, described executive item 14 is arranged in main casing, and is driven by described drive motors 13; And for controlling the control module 15 of drive motors.Power brick 1 is wrapped at least partly in main casing 12 or is electrically connected to described drive motors and control module by connector.The rated output voltage of preferred in addition power brick 1 is 80 ± 5V.Electric tool is portable chain saw, trimmer, hair-dryer 17, grass-mowing machine 18 as shown in Figure 6 as shown in Figure 5, and sweep-saw 19 as shown in Figure 7, hay mover, jetting machine, air compressor machine.Drive motors is brshless DC motor.The interface of power brick 1 is electrically connected to control module 15 as the Interface Terminal 16 in the present embodiment by connector in the present embodiment, and is its power supply.
The present invention can pass through existing techniques in realizing without the technical characterictic of describing, and does not repeat them here.Certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (12)
1. a power brick, comprises housing, in described housing, comprises:
Be fixed on the support in housing;
Be fixedly installed the several sections of rechargeable lithium battery monomer list cores of arranging mutually;
Monomer battery core is assembled in support;
For detection of the control board of controlling power brick output;
It is characterized in that: the rated output voltage of described power brick is 50-110V.
2. power brick according to claim 1, is characterized in that: described monomer battery core becomes matrix to arrange, and by several monomer battery core series connection in groups, described power brick at least comprises one group of monomer battery core.
3. power brick according to claim 1, is characterized in that: the rated output voltage of described power brick is 60-80V.
4. according to the power brick described in claim 1 or 3, it is characterized in that: the rated output voltage of described power brick is 65 ± 5V.
5. according to the power brick described in claim 1 or 3, it is characterized in that: the rated output voltage of described power brick is 75 ± 5V.
6. according to the power brick described in claim 1 or 3, it is characterized in that: the rated output voltage of described power brick is 80 ± 5V.
7. according to the power brick described in claim 1 or 3, it is characterized in that: the rated output voltage of described power brick is 100 ± 5V.
8. according to the power brick described in claim 1 or 3, it is characterized in that: the rated output voltage of described power brick is 110 ± 5V.
9. an adaptation electric tool for power brick as claimed in claim 1, described electric tool comprises:
Main casing,
Power brick, as claimed in claim 1, and it connects with the work package in main casing;
Drive motors, described drive motors is arranged in main casing;
Executive item, described executive item be arranged in main casing, by described drive motors, driven;
Control module, is characterized in that:
Described power brick is wrapped at least partly in main casing or is electrically connected to described drive motors and control module by connector.
10. electric tool according to claim 9, is characterized in that: the rated output voltage of described power brick is 80 ± 5V.
11. electric tools according to claim 10, is characterized in that: described electric tool is portable chain saw, trimmer, grass-mowing machine, hair-dryer, sweep-saw, hay mover, jetting machine, air compressor machine.
12. electric tools of stating according to claim 11, is characterized in that: described drive motors is brshless DC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559133.8A CN103956441A (en) | 2013-11-12 | 2013-11-12 | Battery pack and electric tool using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559133.8A CN103956441A (en) | 2013-11-12 | 2013-11-12 | Battery pack and electric tool using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103956441A true CN103956441A (en) | 2014-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310559133.8A Pending CN103956441A (en) | 2013-11-12 | 2013-11-12 | Battery pack and electric tool using the same |
Country Status (1)
| Country | Link |
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| CN (1) | CN103956441A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016146045A1 (en) * | 2015-03-13 | 2016-09-22 | 苏州宝时得电动工具有限公司 | Electrical energy provision device |
| WO2018103669A1 (en) * | 2016-12-06 | 2018-06-14 | 苏州宝时得电动工具有限公司 | High-pressure cleaning machine and high-pressure cleaning machine assembly |
| WO2020011153A1 (en) * | 2018-07-09 | 2020-01-16 | 苏州宝时得电动工具有限公司 | Handheld high-pressure washer |
| US10710172B2 (en) | 2017-07-31 | 2020-07-14 | Milwaukee Electric Tool Corporation | Rotary power tool |
| US10749430B2 (en) | 2015-03-13 | 2020-08-18 | Positec Power Tools (Suzhou) Co., Ltd. | Power transmission apparatus and control method therefor, and power supply system |
| US11309610B2 (en) | 2016-10-10 | 2022-04-19 | Alfred Kärcher SE & Co. KG | Electrical energy storage device and electrical appliance |
| US11777180B2 (en) | 2018-05-07 | 2023-10-03 | Positec Power Tools (Suzhou) Co., Ltd. | Battery pack and power tool assembly |
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| CN101542876A (en) * | 2006-10-17 | 2009-09-23 | Desaip有限公司 | Hybrid electric device |
| CN101820076A (en) * | 2009-02-27 | 2010-09-01 | 安德烈亚斯.斯蒂尔两合公司 | The batteries that is used for hand-guided power tool |
| CN102632486A (en) * | 2012-04-12 | 2012-08-15 | 南京德朔实业有限公司 | Electric tool |
| CN202702206U (en) * | 2012-06-13 | 2013-01-30 | 南京德朔实业有限公司 | Battery pack mounting structure for electric tool |
| CN102947056A (en) * | 2010-04-12 | 2013-02-27 | 株式会社牧田 | Electric power tool utilizing battery pack as power source, and adapter for same |
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| CN101820076A (en) * | 2009-02-27 | 2010-09-01 | 安德烈亚斯.斯蒂尔两合公司 | The batteries that is used for hand-guided power tool |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016146045A1 (en) * | 2015-03-13 | 2016-09-22 | 苏州宝时得电动工具有限公司 | Electrical energy provision device |
| US10749430B2 (en) | 2015-03-13 | 2020-08-18 | Positec Power Tools (Suzhou) Co., Ltd. | Power transmission apparatus and control method therefor, and power supply system |
| US11601002B2 (en) | 2015-03-13 | 2023-03-07 | Positec Power Tools (Suzhou) Co., Ltd. | Electrical energy transmission apparatus, method for controlling same, and power supply system |
| US11309610B2 (en) | 2016-10-10 | 2022-04-19 | Alfred Kärcher SE & Co. KG | Electrical energy storage device and electrical appliance |
| WO2018103669A1 (en) * | 2016-12-06 | 2018-06-14 | 苏州宝时得电动工具有限公司 | High-pressure cleaning machine and high-pressure cleaning machine assembly |
| US10710172B2 (en) | 2017-07-31 | 2020-07-14 | Milwaukee Electric Tool Corporation | Rotary power tool |
| US10828705B2 (en) | 2017-07-31 | 2020-11-10 | Milwaukee Electric Tool Corporation | Rotary power tool |
| US11185932B2 (en) | 2017-07-31 | 2021-11-30 | Milwaukee Electric Tool Corporation | Rotary power tool |
| US11777180B2 (en) | 2018-05-07 | 2023-10-03 | Positec Power Tools (Suzhou) Co., Ltd. | Battery pack and power tool assembly |
| WO2020011153A1 (en) * | 2018-07-09 | 2020-01-16 | 苏州宝时得电动工具有限公司 | Handheld high-pressure washer |
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Application publication date: 20140730 |
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| RJ01 | Rejection of invention patent application after publication |