CN201233924Y - Power lithium ionic cell module - Google Patents

Power lithium ionic cell module Download PDF

Info

Publication number
CN201233924Y
CN201233924Y CNU2008200793588U CN200820079358U CN201233924Y CN 201233924 Y CN201233924 Y CN 201233924Y CN U2008200793588 U CNU2008200793588 U CN U2008200793588U CN 200820079358 U CN200820079358 U CN 200820079358U CN 201233924 Y CN201233924 Y CN 201233924Y
Authority
CN
China
Prior art keywords
power lithium
module
battery
ion battery
battery pack
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.)
Expired - Lifetime
Application number
CNU2008200793588U
Other languages
Chinese (zh)
Inventor
刘正耀
其鲁
孙雪
周亮
吕杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CITIC Guoan Mengguli New Energy Technology Co Ltd
Original Assignee
CITIC Guoan Mengguli New Energy Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CITIC Guoan Mengguli New Energy Technology Co Ltd filed Critical CITIC Guoan Mengguli New Energy Technology Co Ltd
Priority to CNU2008200793588U priority Critical patent/CN201233924Y/en
Application granted granted Critical
Publication of CN201233924Y publication Critical patent/CN201233924Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a power lithium ion battery module which comprises a battery pack (8), a case body, and a battery management system used for detecting the module voltage, the current, the temperature and calculating the SOC, wherein, a battery electrode tab in the battery pack (8) is connected with the battery pack in the ultrasonic welding manner. Because the structure can reduce the contact resistance between battery pole pieces, enable the heat value to be reduced, and has the battery management function, and the ventilation and heat dissipation function, thereby prolonging the service life of the battery.

Description

The power lithium-ion battery module
Technical field
The utility model belongs to the vehicle power field of power supplies, relates in particular to a kind of power lithium-ion battery module.
Background technology
At present, in the electrokinetic cell that domestic electric motor car industry is used, some is the cell product, the user take battery need oneself to assemble, supporting, also have some battery products in groups, also claim lithium ionic cell module, can directly buy use.Yet in existing lithium ionic cell module, owing to adopt bolt to connect battery pole piece usually, contact resistance between pole piece is increased, thereby make the pole piece caloric value bigger, and the bolt ease of connection causes the loosening of bolt or comes off under vibration condition, influences the operate as normal of battery pack.Therefore, this just needs the lithium ionic cell module that a kind of caloric value is low and can keep pole piece firmly to connect.
The utility model content
The purpose of this utility model is to overcome the shortcoming that above-mentioned lithium ionic cell module exists, and the lithium ionic cell module that a kind of caloric value is low and keep battery pole piece firmly to connect is provided.
Above-mentioned purpose realizes by following technical proposal:
According to an aspect of the present utility model, a kind of power lithium-ion battery module is provided, comprising:
Battery pack 8;
Casing; And
Battery management system;
Battery pole ear in the wherein said battery pack 8 adopts the ultra-sonic welded mode to connect.
According to another aspect of the present utility model, described battery pack 8 is for to be in series by 10 or 13 power lithium-ion batteries; Described casing comprises shell 2, top board 7, loam cake 3, side cover 4, middle baffle plate 9, plate 12 and side plate 10; Described battery management system comprises voltage temperature acquisition module 11, electric interfaces 1 and communication interface 6.
According to another aspect of the present utility model, also comprise cooling system, be used for the heat in the described module is discharged, wherein said cooling system comprises air inlet 14, air channel 18, air outlet 15 and fan 5.Preferably, described cooling system also comprises dirt filtrating screen, and it is installed in the inboard of described air inlet 14.
Compare with existing lithium ionic cell module, advantage of the present utility model is:
1. reduce the contact resistance between battery pole piece, reduce caloric value, improve the specific energy of battery;
2. make the connection between battery pole piece firm;
3. prolong the working life of battery.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the outside drawing of the lithium ionic cell module of the utility model embodiment;
Fig. 2 is the structure chart of the lithium ionic cell module of the utility model embodiment;
Fig. 3 is the side plate schematic diagram of the lithium ionic cell module of the utility model embodiment;
Fig. 4 is middle baffle plate, the plate schematic diagram of the lithium ionic cell module of the utility model embodiment;
Fig. 5 is the top board schematic diagram of the lithium ionic cell module of the utility model embodiment;
Fig. 6 is the cooling system schematic diagram of the lithium ionic cell module of the utility model embodiment;
Fig. 7 is the interior electrical diagram of lithium ionic cell module of the utility model embodiment;
Fig. 8 is the circuit diagram when the lithium ionic cell module series connection of the utility model embodiment is used.
The Reference numeral list
1-electric interfaces; 2-shell; 3-loam cake; 4-side cover; 5-fan; 6-communication interface; 7-top board; 8-battery pack; 9-middle baffle plate; 10-side plate; 11-voltage temperature acquisition module; 12-plate; 13-fixed strip; 14-air inlet; 15-air outlet; 16-wire casing; 17-groove; 18-air channel.
Embodiment
[embodiment 1]:
Fig. 1 is the lithium ionic cell module outside drawing of the utility model embodiment.Electric interfaces 1 is positioned on the loam cake 3; The installed inside of side cover 4 has fan 5, and described fan and communication interface 6 are by being bolted on the side cover 4.
Fig. 2 is the lithium ionic cell module structure chart of the utility model embodiment.For Understanding Module structure better, its structure is described below in conjunction with the manufacturing process of lithium ionic cell module.At first adopt welding manners to be connected with shell 2 side plate 10, middle baffle plate 9 and plate 12 all adopt the fixed strip 13 on inserting mode and described shell and the side plate peg graft mutually (shown in Fig. 3,4); Then, battery pack 8 is put into casing; By bolt voltage temperature acquisition module 11 is fixed to the front (as shown in Figure 3) of described side plate, notices that the interface direction of acquisition module is inwardly wanted; After installing described battery pack and voltage temperature acquisition module, battery pole ear is passed from the slit of top board 7, as shown in Figure 5, bend adjacent battery pole ear and be pressed onto mutually in the groove 17 on the described top board, re-using the lug that ultrasonic bond will press mutually welds, line is gathered in welding on lug then, finally gathers line and is connected on the described voltage temperature acquisition module by wire casing 16; At last described top board is fixed to above the described battery pack, described top board is a nylon sheet, in order to the support fixation lug, with bolt described loam cake and side cover is installed then.
Adopt the ultra-sonic welded mode that the battery pole ear in the battery pack 8 is coupled together to realize the battery series connection, can reduce the contact resistance of battery effectively, thereby reduce the caloric value of pole piece, and it can improve the steadiness of battery pack under the vibration condition.
In order to reduce the heat of lithium ionic cell module better, alternatively, the utility model also adopts cooling system, and this cooling system comprises air inlet 14, air channel 18, air outlet 15 and fan 5; Described air inlet is positioned at the top of shell left side; Described air outlet is positioned at the top of described side plate, and the two is formed by row's aperture.Preferably, described cooling system can also comprise one deck dirt filtrating screen, is placed on the inboard of described air inlet.Exemplary air-flow direction in module when as shown in Figure 6, direction shown in the dotted line is cooling system work.As can be seen from the figure, air channel 18 is interior spaces of the relative closure that is made of the left side of described shell, side plate, plate (two), top board, middle baffle plate and battery pack.When cooling system was worked, the running of fan made and forms negative pressure in the module, and cold air enters battery module from described air inlet, via described air channel and air outlet, finally discharges module by fan, takes away the heat of battery pack.This trapezoidal air channel structure can make air contact battery pack more in large area, helps the heat of cell body is taken away.
Fig. 7 is the interior electrical diagram of lithium ionic cell module of the utility model embodiment.As shown in the figure, the temperature acquisition line of the temperature sensor 19 of 11 voltage acquisition lines and DS18B20 type is connected on the voltage temperature acquisition module 11 jointly; Two communication interfaces 6 are drawn from described voltage temperature acquisition module, and described communication interface uses the aviation plug (communication 4 cores, fan 2 cores) of 6 cores.
Fig. 8 is the circuit diagram of the lithium ionic cell module series connection of the utility model embodiment when using.As shown in the figure, realize the series connection of module by connecting electric interfaces 1 and communication interface 6.Electric interfaces uses cable to link to each other, and communication interface uses the connection of double end to link to each other.Watch-dog can demonstrate voltage, electric current and the battery capacity (SOC) of battery.Charge port is that charger matching battery management system can reach charging effect preferably with mouth with the discharge mouth.
Consider intensity, weight and cost; described shell and side cover preferably adopt mild steel to make; be responsible for support and protection to the entire lithium ion battery module; described plate, side plate, middle baffle plate and loam cake all adopt PVC (polyvinyl chloride) plate to make; yet for it should be appreciated by those skilled in the art, other materials that can satisfy intensity, weight and cost requirement all can use.In addition, it is further to be understood that, although described battery pack is made up of 10 flat type lithium ion batteries in aluminum plastic film flexible package side, the specification of battery pack is 50Ah, 38V, yet also can use the power lithium-ion battery group of other known different sizes that are made of 10 or 13 power lithium-ion batteries.
Although made specific descriptions for the utility model with reference to the above embodiments, but for the person of ordinary skill of the art, should be appreciated that and can make amendment or improve based on the disclosed content of the utility model, and these modifications and improving all within spirit and scope of the present utility model.

Claims (9)

1. power lithium-ion battery module comprises:
Battery pack (8);
Casing; And
Battery management system;
It is characterized in that the battery pole ear in the described battery pack (8) adopts the ultra-sonic welded mode to connect.
2. power lithium-ion battery module as claimed in claim 1, wherein
Described battery pack (8) is for to be in series by 10 or 13 power lithium-ion batteries;
Described casing comprises shell (2), top board (7), loam cake (3), side cover (4), middle baffle plate (9), plate (12) and side plate (10);
Described battery management system comprises voltage temperature acquisition module (11), electric interfaces (1) and communication interface (6).
3. power lithium-ion battery module as claimed in claim 2, wherein said battery pack (8) for by 10 flat types in aluminum plastic film flexible package side lithium ion battery be in series.
4. power lithium-ion battery module as claimed in claim 3, wherein said battery pack (8) specification is 50Ah, 38V.
5. as the described power lithium-ion battery module of one of claim 1 to 3, also comprise cooling system, be used for the heat in the described module is discharged.
6. power lithium-ion battery module as claimed in claim 5, wherein said cooling system comprise air inlet (14), air channel (18), air outlet (15) and fan (5).
7. lithium ionic cell module as claimed in claim 4, wherein said cooling system also comprises dirt filtrating screen, it is installed in the inboard of described air inlet (14).
8. power lithium-ion battery module as claimed in claim 2, wherein said shell (2) and side cover (4) are made by mild steel.
9. power lithium-ion battery module as claimed in claim 2, wherein said loam cake (3), middle baffle plate (9), plate (12) and side plate (10) are made by the PVC plate.
CNU2008200793588U 2008-03-12 2008-03-12 Power lithium ionic cell module Expired - Lifetime CN201233924Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200793588U CN201233924Y (en) 2008-03-12 2008-03-12 Power lithium ionic cell module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200793588U CN201233924Y (en) 2008-03-12 2008-03-12 Power lithium ionic cell module

Publications (1)

Publication Number Publication Date
CN201233924Y true CN201233924Y (en) 2009-05-06

Family

ID=40620312

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200793588U Expired - Lifetime CN201233924Y (en) 2008-03-12 2008-03-12 Power lithium ionic cell module

Country Status (1)

Country Link
CN (1) CN201233924Y (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102064357A (en) * 2010-12-21 2011-05-18 上海中科深江电动车辆有限公司 Electric vehicle power battery
CN102473982A (en) * 2010-05-17 2012-05-23 松下电器产业株式会社 Lithium-ion secondary battery system and battery pack
CN103337599A (en) * 2013-01-31 2013-10-02 湖北追日电气股份有限公司 Multifunctional battery cover and power battery pack thereof
CN103723022A (en) * 2014-01-08 2014-04-16 安徽江淮汽车股份有限公司 High-voltage compartment structure for battery of electric vehicle
CN105070976A (en) * 2015-07-07 2015-11-18 辽宁凯信新能源技术有限公司 Ultralow temperature lithium battery pack for electric automobile
CN105895981A (en) * 2015-01-22 2016-08-24 国家电网公司 Intelligent storage battery safe to communicate
CN106410065A (en) * 2015-07-22 2017-02-15 上海蓝诺新能源技术有限公司 Weak mixing lithium battery pack system for starting and stopping of engine
CN107768569A (en) * 2017-10-18 2018-03-06 深圳市高能达电池有限公司 It is a kind of to store up the electrokinetic cell system for changing separation
CN108140767A (en) * 2015-11-05 2018-06-08 株式会社Lg化学 Battery module
CN108736101A (en) * 2018-06-26 2018-11-02 南通鼎鑫电池有限公司 A kind of air-cooled plus water cooling economic benefits and social benefits heat-dissipating type lithium battery

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102473982A (en) * 2010-05-17 2012-05-23 松下电器产业株式会社 Lithium-ion secondary battery system and battery pack
CN102064357A (en) * 2010-12-21 2011-05-18 上海中科深江电动车辆有限公司 Electric vehicle power battery
CN103337599A (en) * 2013-01-31 2013-10-02 湖北追日电气股份有限公司 Multifunctional battery cover and power battery pack thereof
CN103337599B (en) * 2013-01-31 2015-06-17 湖北追日电气股份有限公司 Multifunctional battery cover and power battery pack thereof
CN103723022A (en) * 2014-01-08 2014-04-16 安徽江淮汽车股份有限公司 High-voltage compartment structure for battery of electric vehicle
CN105895981A (en) * 2015-01-22 2016-08-24 国家电网公司 Intelligent storage battery safe to communicate
CN105070976A (en) * 2015-07-07 2015-11-18 辽宁凯信新能源技术有限公司 Ultralow temperature lithium battery pack for electric automobile
CN105070976B (en) * 2015-07-07 2018-04-27 辽宁凯信新能源技术有限公司 A kind of ultralow temperature lithium battery group used for electric vehicle
CN106410065A (en) * 2015-07-22 2017-02-15 上海蓝诺新能源技术有限公司 Weak mixing lithium battery pack system for starting and stopping of engine
CN108140767A (en) * 2015-11-05 2018-06-08 株式会社Lg化学 Battery module
US10763467B2 (en) 2015-11-05 2020-09-01 Lg Chem, Ltd. Battery module
CN107768569A (en) * 2017-10-18 2018-03-06 深圳市高能达电池有限公司 It is a kind of to store up the electrokinetic cell system for changing separation
CN108736101A (en) * 2018-06-26 2018-11-02 南通鼎鑫电池有限公司 A kind of air-cooled plus water cooling economic benefits and social benefits heat-dissipating type lithium battery

Similar Documents

Publication Publication Date Title
CN201233924Y (en) Power lithium ionic cell module
CN102800905B (en) Battery unit, battery module, power storage system and electronic installation
CN201160087Y (en) Electrokinetic cell module for automobile
CN101521269B (en) Automobile-used power cell module and manufacturing method thereof
CN108016309B (en) Battery management system for improving battery endurance
CA2265324A1 (en) Lithium secondary battery
CN111002868A (en) Intelligent hybrid controller for battery pack
CN201072776Y (en) Lithium ion battery
CN105449145B (en) A kind of lug laser welding structure of lithium ion battery
CN209526185U (en) Electrokinetic cell system for automobile
CN112421162A (en) Two ingredient liquid changing formula power storage batteries of electric motor car
CN216389596U (en) Battery pack box, battery, electric device and electricity storage cabinet
CN214505595U (en) Battery monomer and battery module
CN211789366U (en) Water cooling plate for power battery
CN213660476U (en) Quick-charging polymer lithium battery
CN209249508U (en) A kind of intelligent automatic-control type highly secure lithium ion battery
CN201054367Y (en) Dynamic battery pack
CN205452477U (en) Batteries of electric vehicle wraps cooling device
CN207790341U (en) A kind of heavy duty electrically propelled traction vehicle electric control system
CN105449310A (en) Cooling device for battery pack of electric automobile
CN207265130U (en) One kind has groove structure battery pack babinet
CN207790583U (en) A kind of heavy duty electrically propelled traction vehicle electric control system
CN206807120U (en) A kind of shared bicycle battery pack
CN205901396U (en) Complementary intelligent solar energy electric automobile charger of scene
CN201737125U (en) Energy-saving electric bicycle

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: CITIC GuoAn Mengguli Power Science & Technology Co., Ltd.

Assignor: Zhongxin Guoan Mengguli New Energy Sources Science and Technology Co., Ltd.

Contract record no.: 2011110000117

Denomination of utility model: Active balancing circuit of power Li-ion battery module and balancing method thereof

Granted publication date: 20090506

License type: Exclusive License

Record date: 20110720

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20090506