CN203135551U - Mobile tool lithium capacitance and lithium battery mixing power supply system possessing heavy current output and high energy density - Google Patents
Mobile tool lithium capacitance and lithium battery mixing power supply system possessing heavy current output and high energy density Download PDFInfo
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- CN203135551U CN203135551U CN 201320085478 CN201320085478U CN203135551U CN 203135551 U CN203135551 U CN 203135551U CN 201320085478 CN201320085478 CN 201320085478 CN 201320085478 U CN201320085478 U CN 201320085478U CN 203135551 U CN203135551 U CN 203135551U
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- Prior art keywords
- lithium
- lithium battery
- current output
- capacitance
- supply system
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 79
- 239000011449 brick Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 24
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 244000144980 herd Species 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a lithium capacitance and lithium battery mobile tool mixing power supply system possessing heavy current output, applied to an external motor and characterized in that the power supply system further comprises a battery pack composed of a lithium capacitance set and a lithium battery set in electric connection; a control circuit in connection with the battery pack, used for automatically switching instantaneous heavy current discharge and normally maintaining a current discharge state, monitoring charge and discharge states and operating temperature of the battery pack at any time and capable of automatically stopping work when set values are exceeded; a speed regulation circuit in connection with an output terminal of the control circuit; and a commutator with an input terminal connected to the speed regulation circuit and an output terminal connected to the external motor. The mobile tool lithium capacitance and lithium battery mixing power supply system has good lithium capacitance momentary discharge characteristics and is suitable for short time heavy current discharge in order to protect lithium batteries and prolong the service life of the lithium battery.
Description
Technical field
The utility model relates to for generating and industrial equipment field, and especially a kind of Move tool lithium electric capacity with big electric current output high-energy-density adds the lithium battery hybrid power source system.
Background technology
Require and the industrial policy guiding according to environmental regulation, electric tool was very fast with the lithium ion battery development in recent years, from hundred internationally famous morals, herd the giant of tool-makings such as field, Bosch, TTI, to enterprises such as prominent domestic Ru Quanfeng, Bao Shide when the electric tool that newly grinds all with power-type lithium ion battery as at first power source.Increasing electric tool complete system plant also just progressively tries out lithium ion battery as the power source of new product.
The lithium capacitor is fast by feat of the charging and discharging time, life-span length, environmental protection, cost performance height and the more high relatively advantageous feature of energy density, certainly will will become following mobile electric tool, the first-selected power-supply system in new forms of energy traffic market.
Obtain it for traditional traditional capacitance from the tabular electric conducting material and store the electric charge area, have only with one very long material wind up and could obtain big area, thereby obtain big electric capacity.Traditional capacitance is with plastic film, paper or pottery etc. charge plates to be separated in addition.The thickness of this class insulating material can not do unusual book.
The negative pole of lithium capacitor (LIC) adopts lithium battery structure, the anodal double electric layer capacitor (EDLC) that adopts.It is these two kinds of structures mixing.LIC is that anodal active carbon, the negative pole of adopting adopts material with carbon element, electrolyte to adopt the organic capacitor of lithium ion.Anodal effect electric power storage by electric double layer, negative pole is the same with LIB, the electric power storage by the redox reaction of lithium ion.The lithium capacitor is more stable than Li-Ion rechargeable battery, has surmounted the electric property of double electric layer capacitor again, thermorunaway and aging few, and self discharge is also seldom.The characteristics of lithium capacitor are have and order of magnitude charging rates such as double electric layer capacitor, and energy density to be higher than EDLC.Usually, the specific energy density of EDLC is smaller or equal to 6Wh/kg, and the specific energy density of new product lithium capacitor is at 25-35Wh/kg; Volume can reduce 1/3rd to 1/5th.
Earlier lithium capacitor technology principle is described.
The lithium capacitor also belongs to double electric layer capacitor, it is capacity maximum a kind of in the double electric layer capacitor in the world, the double electric layer capacitor of its basic principle and other kind is the same, all is the capacity that utilizes the double electrical layers acquisition super large of active carbon porous electrode and electrolyte composition.The energy source that stores in the conventional physical electric capacity is isolated for vacuum (relative dielectric constant is 1) or one deck dielectric material (relative dielectric constant is ε) between two pole plates in the separation of electric charge on two pole plates, and capacitance is:
C=ε·A/3.6πd·10-6(μF)
Wherein A is the pole plate area, and d is dielectric thickness
Stored energy is:
E=1/2C（ΔV
2）
Wherein C is capacitance, and Δ V is the voltage drop between pole plate.As seen, if want to obtain bigger capacitance, storage more energy, must increase area A or reduce dielectric thickness d.
In the double electric layer capacitor, adopt absorbent charcoal material to be made into porous electrode, while filling electrolyte solution between relative carbon porous electrode, when applying voltage at two ends, assemble positron-electron on the relative porous electrode respectively, and the negative ions in the electrolyte solution will gather respectively on the interface relative with positive/negative plate owing to electric field action, thereby forms two current collection layers, is equivalent to two capacitor series connection.
Because active carbon material has 〉=superhigh specific surface area (namely having obtained great electrode area A) of 1200 ㎡/g, and the interface distance between electrolyte and porous electrode has namely obtained minimum dielectric thickness d less than 1nm(), according to the computing formula of front as can be seen, this double electric layer capacitor is more much bigger than the appearance value of traditional physics electric capacity, specific capacity can improve more than 100 times, thereby makes the energy storage that utilizes capacitor to carry out big electric weight become possibility.
Lithium capacitor discharge characteristic is steady, has a constant voltage in certain interval, and it is very little to fluctuate, and can keep big electric current output.Conventional super capacitor has only crest voltage and holds time very shortly, and voltage fluctuation is big.
The utility model content
The purpose of this utility model provides in daily life, and many operations need be used high power pulses.For example: electric drill, percussion drill, electric saw, electric screwdriver, hay mover, emergency light, electric bicycle etc., all need crucial moment to provide moment power source, finish by apply a big moment with high peak current, direct current electric power tools easy-to-use do not need to be power line, there is not the place restriction yet, that is to say that they can be used for the place away from power supply, also be not subjected to the influence of voltage fluctuation.
The utility model discloses a kind of Move tool lithium electric capacity with big electric current output high-energy-density and add the lithium battery hybrid power source system, be applied to an external motor, it is characterized in that described power-supply system further comprises:
One power brick is made up of lithium capacitance group and the electrical connection of lithium battery group;
One control circuit connects described power brick, and usefulness is used for the automatic switchover instantaneous high-current discharge and normally keeps the state of current discharge, and monitors described power brick charging and discharging state and working temperature at any time, when surpassing set point, can quit work automatically;
One alignment circuit connects the output of described control circuit;
One commutator, its input connects described alignment circuit, and its output connects described external motor.
Reasonable is that the Move tool lithium electric capacity with big electric current output high-energy-density of the present utility model adds the lithium battery hybrid power source system and further comprises:
One shell coats described power brick, control circuit, alignment circuit and commutator;
One indicator light is used for the normal or abnormal work situation of cue circuit.
Reasonablely be, the Move tool lithium electric capacity with big electric current output high-energy-density of the present utility model adds the lithium battery hybrid power source system, it is characterized in that,
Described lithium battery group is arranged in the base of described shell, and described lithium capacitance group is arranged on the described base, and described base two parts up and down connects as one by jump ring and screw.
Reasonablely be, the Move tool lithium electric capacity with big electric current output high-energy-density of the present utility model adds the lithium battery hybrid power source system,
Described cover top portion comprises a battery cathode end and an anode end that is electrically connected with described external motor.
Reasonablely be, the Move tool lithium electric capacity with big electric current output high-energy-density of the present utility model adds the lithium battery hybrid power source system,
Described shell also comprises a loading and unloading button, is used for engaging loading and unloading shell.
Reasonablely be, the Move tool lithium electric capacity with big electric current output high-energy-density of the present utility model adds the lithium battery hybrid power source system, and described enclosure material comprises metal, plastics.
Lithium electric capacity in the utility model characteristic that sparks is good, is applicable to the short time heavy-current discharge, with the protection lithium battery, prolongs the lithium battery life-span, and the short time heavy-current discharge is totally unfavorable to lithium battery.Lithium capacitive energy density height, equal volume can reach bigger capacity.Charging interval is short, can reach the conventional electric weight of 70-80% in several minutes.Cost is lower, and lithium electric capacity theoretical circulation discharges and recharges number of times and can reach 500,000 times.
Description of drawings
Below, with reference to accompanying drawing, for those skilled in the art that, to the detailed description of the present utility model, above-mentioned and other purposes of the present utility model, feature and advantage will be apparent.
Fig. 1 is lithium electric capacity lithium battery AC-battery power source schematic diagram of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is lithium capacitor discharge performance diagram;
Fig. 4 is conventional super capacitor discharge characteristic curve figure.
Embodiment
See also shown in Figure 1, a kind of Move tool lithium electric capacity with big electric current output high-energy-density of the present utility model adds lithium battery hybrid power source system 10, comprise power brick 1, control circuit 2, alignment circuit 3, commutator 4, wherein power brick 1 is electrically connected by lithium capacitance group 11 and lithium battery group 12 and forms, external motor 20 is by being electrically connected commutator 4, and alignment circuit 3 is connected power brick 1 again with control circuit 2.
Fig. 2 has provided external structure schematic diagram of the present utility model, as can be seen, power-supply system of the present utility model comprises the lithium battery group 12 that is positioned at base and lithium capacitance group 11 compositions that arrange on it, make up by jump ring 23, screw 29 between two parts, and coat a shell 21 by metal or plastic material, battery cathode end 27 and the anode end 25 that is connected with external motor 20 arranged at this system top, control circuit 2, alignment circuit 3 and commutator 4 all are arranged in this shell 21.For ease of dismounting, base shell 21 also has a loading and unloading button 22, is used for engaging loading and unloading shell.One indicator light 21 is used for the normal or abnormal work situation of cue circuit.
Introduce working condition of the present utility model below in conjunction with structure.
When utensil starts, provide big electric current output by lithium capacitance group 11, avoided the heavy-current discharge of lithium battery group 12 to cause its quick damage, thereby prolonged the cycle charge-discharge number of times of lithium battery group 12 greatly, avoid lithium battery because heavy-current discharge causes heating, hidden dangers such as fried bag.Control circuit 2 is used for the automatic switchover instantaneous high-current discharge and normally keeps the state of current discharge; Control circuit 2 is monitoring battery bag 1 charging and discharging state and working temperature at any time, when surpassing set point, can quit work automatically, with protection battery, extending battery life.In addition, control circuit 2 can be done the demonstration that does well to the electric weight of power brick 1, and indicator light 21 becomes yellow by green and becomes redness again, this progressive formation, the reflection electric weight hold degree, represent the electric weight abundance when green, represent that electric weight is moderate when yellow, need to represent charging when red.
The utility model utilizes lithium electric capacity high-energy-density characteristics, can instantaneously export, and when load need be more than or equal to the above electric current of battery module 0.5C, can automatically switch to the lithium capacitances to supply power, can promote staring torque and the impulsive torque of utensil greatly; Simultaneously, also avoided lithium battery because heavy-current discharge causes heating, hidden dangers such as fried bag.
Fig. 3 represents that lithium capacitor discharge characteristic is steady, can keep constant voltage output within a certain period of time.Fig. 4 represents general super capacitor flash-over characteristic, and voltage fluctuation is big, not constant voltage.Electric tool uses the battery of this invention can become compact, light, economical and stand-by at any time.Use battery module and its attached accessory of this invention, can be so that the integrated pulse electric instrument of hand-held multifunctional be applicable to various work.According to the energy transform mode, the pulse portable power tool can apply to following three:
1. use pulse and mechanical component emission object, for example nail, drawing pin etc. are used for the instrument of fastening or stitching;
2. use pulse and the mechanical component power of exerting one's influence, be used for swiping, knock, die cut, the instrument that chisels etc.;
3. use pulse directly to produce high electric current and be used for ato unit, the instrument of for example electric bicycle, or drive machines;
One of purpose of this invention exactly for convenience, finish above work economically, is sought a kind of method that the required pulse energy can be provided.Though various work in the past need various electric power, more than electricity needs, the power module of the controlable electric current that can be combined to form by general battery and electric capacity parallel connection provides.Electric capacity can be made various structures under very low cost, the transducer that use is set that they are common relatively, electric inductor, flywheel strengthen battery output, is a better device.The power module of present invention, when the Electronic Control plate was adjusted pulse output by pulse width modulator, battery was used for charging to electric capacity.For reaching the purpose of long-term use, battery always is set and discharges when reduced-current, and in other words, battery is responsible for satisfying all low current demands, in case when load needed high electric current, electric capacity can provide extra electric weight.By battery is freed from a large amount of power supply outputs, battery keeps little electric current power supply, thereby has prolonged the useful life of battery greatly.
More than three kinds of electronic impulses, a body has a plurality of attached accessories, uses above-mentioned neoteric battery module again, can form the instrument of a multifunctional all.Under some situation, according to new invention, universal accessories can with the body instrument that forms a whole flexibly; And under the other situation, wildcard spare can be used as additional element, follows body to be applicable to the several work task.
More than all embodiment only for the explanation the utility model usefulness, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or variation, so all technical schemes that are equal to also should belong to category of the present utility model and should be limited by each claim.
Claims (6)
1. the Move tool lithium electric capacity with big electric current output high-energy-density adds the lithium battery hybrid power source system, is applied to an external motor, it is characterized in that described power-supply system further comprises:
One power brick is made up of lithium capacitance group and the electrical connection of lithium battery group;
One control circuit connects described power brick, and usefulness is used for the automatic switchover instantaneous high-current discharge and normally keeps the state of current discharge, and monitors described power brick charging and discharging state and working temperature at any time, when surpassing set point, can quit work automatically;
One alignment circuit connects the output of described control circuit;
One commutator, its input connects described alignment circuit, and its output connects described external motor.
2. the lithium electric capacity with big electric current output according to claim 1 adds the Move tool power-supply system of lithium battery, it is characterized in that described system further comprises:
One shell coats described power brick, control circuit, alignment circuit and commutator;
One indicator light is used for the normal or abnormal work situation of cue circuit.
3. the Move tool lithium electric capacity with big electric current output high-energy-density according to claim 1 and 2 adds the lithium battery hybrid power source system, it is characterized in that,
Described lithium battery group is arranged in the base of described shell, and described lithium capacitance group is arranged on the described base, and described base two parts up and down connects as one by jump ring and screw.
4. the Move tool lithium electric capacity with big electric current output high-energy-density according to claim 3 adds the lithium battery hybrid power source system, it is characterized in that,
Described cover top portion comprises a battery cathode end and an anode end that is electrically connected with described external motor.
5. the Move tool lithium electric capacity with big electric current output high-energy-density according to claim 4 adds the lithium battery hybrid power source system, it is characterized in that,
Described shell also comprises a loading and unloading button, is used for engaging loading and unloading shell.
6. the Move tool lithium electric capacity with big electric current output high-energy-density according to claim 5 adds the lithium battery hybrid power source system, it is characterized in that,
Described enclosure material comprises metal, plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085478 CN203135551U (en) | 2013-02-25 | 2013-02-25 | Mobile tool lithium capacitance and lithium battery mixing power supply system possessing heavy current output and high energy density |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085478 CN203135551U (en) | 2013-02-25 | 2013-02-25 | Mobile tool lithium capacitance and lithium battery mixing power supply system possessing heavy current output and high energy density |
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| CN203135551U true CN203135551U (en) | 2013-08-14 |
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| CN 201320085478 Expired - Lifetime CN203135551U (en) | 2013-02-25 | 2013-02-25 | Mobile tool lithium capacitance and lithium battery mixing power supply system possessing heavy current output and high energy density |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794829A (en) * | 2013-12-23 | 2014-05-14 | 深圳市三奇科技有限公司 | Method for improving pulse power supply of battery |
| CN110138027A (en) * | 2019-04-29 | 2019-08-16 | 安徽师范大学 | Lithium battery efficient discharge control system and control method under a kind of low temperature |
| WO2019179349A1 (en) * | 2018-03-21 | 2019-09-26 | 博世电动工具（中国）有限公司 | Super battery pack and power tool assembly |
| CN111969669A (en) * | 2020-07-07 | 2020-11-20 | 东莞市普隆电子有限公司 | Energy storage device capable of being rapidly charged |
-
2013
- 2013-02-25 CN CN 201320085478 patent/CN203135551U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794829A (en) * | 2013-12-23 | 2014-05-14 | 深圳市三奇科技有限公司 | Method for improving pulse power supply of battery |
| WO2019179349A1 (en) * | 2018-03-21 | 2019-09-26 | 博世电动工具（中国）有限公司 | Super battery pack and power tool assembly |
| CN110138027A (en) * | 2019-04-29 | 2019-08-16 | 安徽师范大学 | Lithium battery efficient discharge control system and control method under a kind of low temperature |
| CN111969669A (en) * | 2020-07-07 | 2020-11-20 | 东莞市普隆电子有限公司 | Energy storage device capable of being rapidly charged |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WANG FUYING Free format text: FORMER OWNER: SHANGHAI LEMACHE ELECTROMECHANICAL MANUFACTURING CO., LTD. Effective date: 20130806 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201800 JIADING, SHANGHAI TO: 201908 BAOSHAN, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130806 Address after: 201908 Shanghai City Lake Road 333 Lane No. 17 Patentee after: Wang Fuying Address before: 201800 Shanghai city Jiading District Xingrong Road No. 968 Patentee before: SHANGHAI LIMACH MANUFACTURING CO.,LTD. |
|
| ASS | Succession or assignment of patent right |
Owner name: LINGRONG NEW ENERGY TECHNOLOGY (SHANGHAI) CO., LTD Free format text: FORMER OWNER: WANG FUYING Effective date: 20130912 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201908 BAOSHAN, SHANGHAI TO: 201821 JIADING, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130912 Address after: 201821 Jiading Jiading District Industrial Zone, No. Pratt & Whitney Road, room 1, building 1037, room 333 Patentee after: LINGRONG NEW ENERGY TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: 201908 Shanghai City Lake Road 333 Lane No. 17 Patentee before: Wang Fuying |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201800 Jiading City Industrial Zone, Shanghai, new road, No. 1, building 2, B District, 489 Patentee after: LING RONG NEW ENERGY TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: 201821 Jiading Jiading District Industrial Zone, No. Pratt & Whitney Road, room 1, building 1037, room 333 Patentee before: LINGRONG NEW ENERGY TECHNOLOGY (SHANGHAI) CO.,LTD. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
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| CX01 | Expiry of patent term |