CN203631689U - Lithium battery pack capacitance grading device - Google Patents

Lithium battery pack capacitance grading device Download PDF

Info

Publication number
CN203631689U
CN203631689U CN201320863375.1U CN201320863375U CN203631689U CN 203631689 U CN203631689 U CN 203631689U CN 201320863375 U CN201320863375 U CN 201320863375U CN 203631689 U CN203631689 U CN 203631689U
Authority
CN
China
Prior art keywords
row
ventilation hole
lithium battery
capacitance device
air quantity
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 - Fee Related
Application number
CN201320863375.1U
Other languages
Chinese (zh)
Inventor
李瑶
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.)
Shenzhen OptimumNano Energy Co Ltd
Original Assignee
Shenzhen OptimumNano Energy 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 Shenzhen OptimumNano Energy Co Ltd filed Critical Shenzhen OptimumNano Energy Co Ltd
Priority to CN201320863375.1U priority Critical patent/CN203631689U/en
Application granted granted Critical
Publication of CN203631689U publication Critical patent/CN203631689U/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides a lithium battery pack capacitance grading device. The lithium battery pack capacitance grading device comprises a battery tray, an air volume distributing plate and at least one fan; the battery tray is used for installing a plurality of lithium batteries; the air volume distributing plate comprises a top surface and a bottom surface which is opposite to the top surface, the bottom surface is opposite to the battery tray, the bottom surface is provided with a plurality of testing probes, and each testing probe is electrically connected to one end of one corresponding lithium battery; the air volume distribution plate is provided with a plurality of columns of through holes running through the top surface and the bottom surface, and the area of the through hole in a middle area in the multiple columns of through holes is greater than that of the through hole in the peripheral area; the at least one fan is arranged on the top surface and used for blowing air to the lithium battery through the through hole. The air volume which is blown to the middle area of a plurality of batteries I through the at least one fan is greater than that blown to the peripheral area, so that heat of a lithium battery pack can be effectively and relatively uniformly radiated in capacitance grading, the detection deviation of the lithium battery can be reduced, and the accuracy can be improved.

Description

Lithium battery component capacitance device
Technical field
The utility model relates to lithium battery and manufactures field, concrete, relates to a kind of lithium battery component capacitance device.
Background technology
At present, lithium ion battery is as a kind of novel energy-storing power supply, there is the advantages such as energy is high, operating voltage is high, operating temperature range is wide, volume is little, storage life is long, become new generation of green environment-friendly battery, become rapidly the new lover in power supply market, and replace gradually nickel-cadmium cell, Ni-MH battery.Along with environmental protection energy source use main trend, high-capacity dynamical storage battery forms the main force of electrical source of power gradually, because not causing secondary pollution and not have the characteristics such as memory effect, becomes gradually the first-selection of power source future market application.The quality of lithium battery quality is not only relevant with material itself, good manufacture craft and also most important influencing factor of sophisticated equipment.Especially the consistency of forming and capacity dividing technique, precision performance, relates to the activation hierarchical composition pairing of battery, in whole battery production technology process, is one of important procedure.
Formation process is actually and independently in channel clamp, makes electrode and battery good contact implement initial charge to charging/discharging apparatus every Battery holder, and battery low current charge is activated.While changing into, form one deck passivation layer in negative terminal surface, be solid electrolyte interface film (SEI film), the quality of SEI film directly has influence on the chemical properties such as the cycle life, stability, self discharge, fail safe of battery, the SEI film that different chemical synthesis technologies forms is different, and the performance impact of battery is also existed to very big-difference.Partial volume be change into after by corresponding process conditions to battery cycle charge-discharge, the capacity parameter index of testing, sorting battery is pressed different parameters grade classification.Particularly electrokinetic cell requires its high power charging-discharging, for ensureing battery quality, when partial volume, multiple batteries is positioned in a battery tray and adopts large electric current to discharge and recharge battery; So produce a problem: battery can send a lot of heats in the time discharging and recharging, so cause the quantity of battery measurement inaccurate, conventionally need thus blower fan that the heat of generation is taken away, even so, still have that battery tray interior zone heat build-up is large, heat radiation is slow, with the inconsistent phenomenon of peripheral temperature, cause battery detecting result partially inaccurate.
In view of above defect, be necessary to provide a kind of new lithium battery component capacitance device to overcome above-mentioned defect in fact.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of more efficiently radiates heat and the uniform lithium battery component capacitance device that is more conducive to accurately detect electrical measurement of heat radiation.
For solving the problems of the technologies described above, the utility model provides a kind of lithium battery component capacitance device, comprises a battery tray, an air quantity distribution grid and at least one blower fan; Described battery tray is used for packing into multiple lithium batteries; Described air quantity distribution grid comprise end face and with the opposing bottom surface of end face, described bottom surface and described battery tray are oppositely arranged and described bottom surface is provided with multiple test probes, each test probe is for being electrically connected to one end of a corresponding lithium battery; Described air quantity distribution grid offers the ventilation hole that multiple row runs through described end face and described bottom surface, and the area that is positioned at the ventilation hole of central region in described multiple row ventilation hole is greater than the area of the ventilation hole that is positioned at neighboring area; Described at least one blower fan is arranged at described end face and dries to described lithium battery for passing through described ventilation hole.
One as the utility model lithium battery component capacitance device is improved, and described battery tray is evenly incorporated with four row lithium batteries; Described ventilation hole is four row, and every row ventilation hole correspondence is with respect between two row lithium batteries, and the ventilation hole of described central region refers to the ventilation hole that centre two that four row ventilate in logical is listed as, and the ventilation hole of neighboring area refers to ventilate two row ventilation holes of the both sides in logical of four row.
Improve as the one of the utility model lithium battery component capacitance device, every row of described zone line evenly offer three ventilation holes and each ventilation hole is strip, and the ventilation hole area that every row of described zone line are offered is 3 to 5cm 2.
Improve as the one of the utility model lithium battery component capacitance device, every row of described neighboring area evenly offer four ventilation holes and each ventilation hole is strip, and the ventilation hole area that every row of described zone line are offered is 3 to 5cm 2.
One as the utility model lithium battery component capacitance device is improved, and described battery tray is rectangle, and the lithium battery quantity of every row is ten.
One as the utility model lithium battery component capacitance device is improved, and the quantity of described blower fan is two, and described air quantity distribution grid is rectangle, and two blower fans are arranged on the end face of described air quantity distribution grid equably.
Improve as the one of the utility model lithium battery component capacitance device, the diameter of each blower fan is 130 to 150mm, and air quantity is 18 to 25m 3/ min.
The beneficial effects of the utility model are: the ventilation hole area of the zone line of air quantity distribution grid of the present utility model is greater than the ventilation hole area of neighboring area, so, the air quantity that at least one blower fan blows to the central region of multiple batteries is greater than the air quantity that blows to neighboring area, make lithium battery group in the time of partial volume efficiently radiates heat and heat radiation more even, reduce the detection error to lithium battery, improved accuracy.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of the lithium battery component capacitance device that provides of the utility model.
Fig. 2 is that the master of the component of lithium battery shown in Fig. 1 capacitance device looks schematic diagram.
Embodiment
Refer to Fig. 1 and Fig. 2, a kind of lithium battery component capacitance device 100 that the utility model preferred implementation provides, comprises a battery tray 10, an air quantity distribution grid 20 and at least one blower fan 30; Described battery tray 10 is for packing multiple lithium batteries 40 into; Described air quantity distribution grid 20 comprise end face 21 and with the opposing bottom surface 22 of end face 21, described bottom surface 22 is oppositely arranged with described battery tray 10 and described bottom surface 22 is provided with multiple test probes 50, each test probe 50 for be electrically connected to a corresponding lithium battery 40 one end (as shown in Figure 2, each test probe 50 for be electrically connected to a corresponding lithium battery 40 away from described battery tray 10 one end); The multiple row that offers described air quantity distribution grid 20 runs through the ventilation hole 23 of described end face 21 and described bottom surface 22, and the area that is positioned at the ventilation hole 23 of central region in described multiple row ventilation hole 23 is greater than the area of the ventilation hole 23 that is positioned at neighboring area; Described at least one blower fan 30 is arranged at described end face 21 and for drying (as shown in Figure 2, wind direction flow direction as shown by arrows in FIG.) to described lithium battery 40 by described ventilation hole 23.
Concrete, described battery tray 10 is rectangle, and described battery tray 10 is evenly incorporated with four row lithium batteries 40, and lithium battery 40 quantity of every row are ten.Described ventilation hole 23 is four row, every row ventilation hole 23 correspondences are with respect between two row lithium batteries 40, the ventilation hole 23 of described central region refers to the ventilation hole 23 that centre two that four row ventilate in logical 23 is listed as, and the ventilation hole 23 of neighboring area refers to ventilate two row ventilation holes 23 of the both sides in logical of four row.In present embodiment, the vertical direction in Fig. 1 is the lithium battery 40 of every row and the distribution arrangement of every row ventilation hole.The columns of lithium battery and ventilation hole is not limited with present embodiment.
Every row of described zone line evenly offer three ventilation holes and each ventilation hole is strip, and the ventilation hole area that every row of described zone line are offered is 3 to 5 square centimeters of (cm 2), be preferably 5cm 2.Wherein the ventilation hole quantity of zone line is not limited with the present embodiment.
Every row of described neighboring area evenly offer four ventilation holes and each ventilation hole is strip, and the ventilation hole area that every row of described zone line are offered is 3 to 5cm 2, be preferably 5cm 2.Wherein the ventilation hole quantity of zone line is not limited with the present embodiment.
In present embodiment, the quantity of described blower fan 30 is two, described air quantity distribution grid 20 is that rectangular shape is basic corresponding with battery tray 10, and described air quantity distribution grid 20 is basic and battery tray 10 just to setting, described two blower fans are arranged on the end face of described air quantity distribution grid equably.The diameter of each blower fan is 130 to 150 millimeters (mm), and air quantity is 18 to 25 cubic metres of (m per minute 3/ min).Wherein bottom surface is also provided with the wire 60 of linking probe, and the distribution arrangement of wire 60 is parallel to every row ventilation hole, ventilates in order to avoid disturb.
The beneficial effects of the utility model are: the ventilation hole area of the zone line of air quantity distribution grid of the present utility model is greater than the ventilation hole area of neighboring area, so, the air quantity that at least one blower fan blows to the central region of multiple batteries is greater than the air quantity that blows to neighboring area, make lithium battery group in the time of partial volume efficiently radiates heat and heat radiation more even, reduce the detection error to lithium battery, improved accuracy.
The foregoing is only execution mode of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (7)

1. a lithium battery component capacitance device, comprises a battery tray, an air quantity distribution grid and at least one blower fan; Described battery tray is used for packing into multiple lithium batteries; Described air quantity distribution grid comprise end face and with the opposing bottom surface of end face, described bottom surface and described battery tray are oppositely arranged and described bottom surface is provided with multiple test probes, each test probe is for being electrically connected to one end of a corresponding lithium battery; Described air quantity distribution grid offers the ventilation hole that multiple row runs through described end face and described bottom surface, and the area that is positioned at the ventilation hole of central region in described multiple row ventilation hole is greater than the area of the ventilation hole that is positioned at neighboring area; Described at least one blower fan is arranged at described end face and dries to described lithium battery for passing through described ventilation hole.
2. lithium battery component capacitance device as claimed in claim 1, is characterized in that: described battery tray is evenly incorporated with four row lithium batteries; Described ventilation hole is four row, and every row ventilation hole correspondence is with respect between two row lithium batteries, and the ventilation hole of described central region refers to the ventilation hole that centre two that four row ventilate in logical is listed as, and the ventilation hole of neighboring area refers to ventilate two row ventilation holes of the both sides in logical of four row.
3. lithium battery component capacitance device as claimed in claim 2, is characterized in that: every row of described zone line evenly offer three ventilation holes and each ventilation hole is strip, and the ventilation hole area that every row of described zone line are offered is 3 to 5cm 2.
4. lithium battery component capacitance device as claimed in claim 2, is characterized in that: every row of described neighboring area evenly offer four ventilation holes and each ventilation hole is strip, and the ventilation hole area that every row of described zone line are offered is 3 to 5cm 2.
5. lithium battery component capacitance device as claimed in claim 2, is characterized in that: described battery tray is rectangle, the lithium battery quantity of every row is ten.
6. lithium battery component capacitance device as claimed in claim 2, is characterized in that: the quantity of described blower fan is two, described air quantity distribution grid is rectangle, and two blower fans are arranged on the end face of described air quantity distribution grid equably.
7. lithium battery component capacitance device as claimed in claim 6, is characterized in that: the diameter of each blower fan is 130 to 150mm, and air quantity is 18 to 25m 3/ min.
CN201320863375.1U 2013-12-25 2013-12-25 Lithium battery pack capacitance grading device Expired - Fee Related CN203631689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320863375.1U CN203631689U (en) 2013-12-25 2013-12-25 Lithium battery pack capacitance grading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320863375.1U CN203631689U (en) 2013-12-25 2013-12-25 Lithium battery pack capacitance grading device

Publications (1)

Publication Number Publication Date
CN203631689U true CN203631689U (en) 2014-06-04

Family

ID=50818138

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320863375.1U Expired - Fee Related CN203631689U (en) 2013-12-25 2013-12-25 Lithium battery pack capacitance grading device

Country Status (1)

Country Link
CN (1) CN203631689U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104953184A (en) * 2015-06-29 2015-09-30 浙江杭可科技有限公司 Discharging energy recycling formation capacity grading device of soft-packaged power lithium ion battery
TWI557967B (en) * 2015-11-18 2016-11-11 致茂電子股份有限公司 Battery carrying device having temperature control flow passage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104953184A (en) * 2015-06-29 2015-09-30 浙江杭可科技有限公司 Discharging energy recycling formation capacity grading device of soft-packaged power lithium ion battery
CN104953184B (en) * 2015-06-29 2017-03-29 浙江杭可科技股份有限公司 Soft package power lithium ion battery discharge energy reclaims component capacitive equipment
TWI557967B (en) * 2015-11-18 2016-11-11 致茂電子股份有限公司 Battery carrying device having temperature control flow passage

Similar Documents

Publication Publication Date Title
CN204333159U (en) Formation of Li-ion batteries partial volume clamping device and there is the equipment of this clamping device
CN102508165B (en) Method for evaluating self-discharge consistency of lithium iron phosphate battery
JP7076495B2 (en) How to quickly group and repair used batteries
CN204269787U (en) The conforming detection system of a kind of lithium ion battery cryogenic property
CN106908737B (en) A kind of lithium ion battery life-span prediction method based on electrochemical reaction mechanism emulation
CN104269574B (en) A kind of set of cells method for separating
CN110333463B (en) Battery cell consistency screening method and system
CN103956513B (en) A kind of method for group matching of high-capacity lithium electrokinetic cell
CN106646060B (en) Super capacitor reliability test system and temperature imbalance test method
CN103316852A (en) Battery selecting method
CN203631689U (en) Lithium battery pack capacitance grading device
CN107066713B (en) A kind of emulation mode for predicting lithium ion battery material chemical property
CN113533981A (en) Lithium ion battery self-discharge detection method and device and computer readable storage medium
CN105070948A (en) Formatting and grading equipment for soft package lithium-ion batteries
CN107390134A (en) Valve controlled sealed lead-acid accumulator long-life, quick determination method life-span
CN206848442U (en) A kind of charging and discharging lithium battery detection means
CN104375087A (en) Method for evaluating safety of power battery pack
CN102299365A (en) Lithium ion battery preventing overdischarge and battery pack thereof
CN207852740U (en) A kind of screening system of lithium iron phosphate dynamic battery group self discharge consistency
CN106249165B (en) A kind of test method that monomer lead acid storage battery superiority and inferiority determines
CN105629177B (en) A kind of detection method of lead-acid accumulator green plate capacity
CN207424217U (en) A kind of battery core endurance testing device
CN104849564B (en) A kind of method for determining anode material for lithium-ion batteries electrical conductivity
CN103399220A (en) Method for testing equi-voltage curve of plate grid of storage battery
CN108204946A (en) A kind of test method of battery pole piece maximum compacted density

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Lithium battery pack capacitance grading device

Effective date of registration: 20141218

Granted publication date: 20140604

Pledgee: Export Import Bank of China

Pledgor: Shenzhen Optimum Battery Co.,Ltd.|Zhao Bing

Registration number: 2014990001097

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20171025

Granted publication date: 20140604

Pledgee: Export Import Bank of China

Pledgor: Shenzhen Optimum Battery Co.,Ltd.|Zhao Bing

Registration number: 2014990001097

PC01 Cancellation of the registration of the contract for pledge of patent right
PP01 Preservation of patent right

Effective date of registration: 20180428

Granted publication date: 20140604

PP01 Preservation of patent right
PD01 Discharge of preservation of patent

Date of cancellation: 20210428

Granted publication date: 20140604

PD01 Discharge of preservation of patent
PP01 Preservation of patent right

Effective date of registration: 20210428

Granted publication date: 20140604

PP01 Preservation of patent right
PD01 Discharge of preservation of patent

Date of cancellation: 20231225

Granted publication date: 20140604

PD01 Discharge of preservation of patent
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140604

CF01 Termination of patent right due to non-payment of annual fee