CN105895842B - Shell for the assembly for assembling lithium battery and metal framework - Google Patents
Shell for the assembly for assembling lithium battery and metal framework Download PDFInfo
- Publication number
- CN105895842B CN105895842B CN201610286992.8A CN201610286992A CN105895842B CN 105895842 B CN105895842 B CN 105895842B CN 201610286992 A CN201610286992 A CN 201610286992A CN 105895842 B CN105895842 B CN 105895842B
- Authority
- CN
- China
- Prior art keywords
- screw rod
- shell
- assembly
- lower housing
- battery
- 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
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Classifications
-
- 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
-
- 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
Abstract
The present invention discloses a kind of shell for assembling the assembly of lithium battery and metal framework, metal framework includes two pieces of metallic plates, for therebetween, being arranged in alignment battery pack clamping respectively to through-hole on the region of battery pack each side on metallic plate, for allowing screw rod to pass through each pair of through-hole against battery；And screw rod, when forming assembly when its both ends is by nut tightening, shell is made of upper shell cover and lower housing, it is provided with guiding rib on the inner longitudinal face of lower housing, outer longitudinal face for guiding assembly, and the inside bottom of the two is provided with cannelure, is respectively used to receive the upper and lower part of metallic plate, wherein：The inside bottom of the two is provided with the transverse groove intersected with cannelure, is respectively used to the screw rod received above and below battery pack and so that keeps certain gap between screw rod and the bottom of respective transversal slot.The battery that the shell is assembled into can buffer each side's impact, improve shock resistance, any surface can be upward by metal framework and shell while stress.
Description
Technical field：
The present invention relates to lithium batteries to assemble field, and in particular to a kind of shell for assembling lithium battery is more particularly to
A kind of shell for assembling the assembly of lithium battery and metal framework.
Background technology：
Electronic or hybrid power special car needs are normally started and run under extreme climate and environmental condition, example
Such as amphibious traveling or persistently jolt on severe hill path in a low temperature of -40 DEG C.It is well known that lead-acid battery is at -40 DEG C
Lower performance is severe, cannot be satisfied startup and requires, and lead-acid battery weight is big, plastic shell structure is limited by the principle of lead-acid battery
And relatively simple, anti-vibration and the anti-drop poor performance designed, the low temperature electrical property of lithium ion battery are better than lead-acid battery, weight
It is more compact to measure smaller szie, but its structure is more accurate compared to lead-acid battery, but this compactedness and accuracy are also to its antidetonation
More stringent requirements are proposed for property.
In these electric vehicles and hybrid vehicle, due to high-power and high current the demand to battery, usually
Using the connection in series-parallel battery pack of powerful rectangular cell, in order to by battery pack close fit to shell, generally use honeycomb
Formula assembly or the assembly method via metal framework.Note that rectangular cell described herein refers to the battery of rectangle, only with circle
Battery is contrasted, rather than refers in particular to the battery of square.
Honeycomb fashion assembly is usually used in circular batteries group, by resin molded at the support for including receiving channel, and will be each
Circular batteries are assembled in corresponding receiving channel, but resin can be softened or melted at high temperature, and can be become fragile at low temperature very
To cracking, causes to destroy the matching accuracy between battery, extensive temperature range can not be adapted to；In addition, being diverted to rectangular
When battery, since rectangular cell itself has metal shell, the coefficient of thermal expansion of the material of metal shell and the material of resin
Deviation also results in the mismatch under temperature deviation；In addition, cellular assembly needs support to have comparable thickness to ensure it
Holding strength, this results in the large volume and large scale of battery pack whole (comprising including battery pack, support and shell) again.
The assembly method via metal framework is widely used at present, which is specifically, by metal framework
It is symmetrically arranged through-hole on the metallic plate of two pieces of parallel alignments, and the both ends of each Limit screw are passed through in two pieces of metallic plates
Alignment through-hole and exposing, then battery pack is assembled to spacing place in the both ends tightening nut of each Limit screw
It, then can be by metal framework and battery to be tightly fastened battery pack and metal framework for assembly in metal framework
The assembly of group is assembled in shell together.
Accordingly, it is desirable to provide a kind of shell for assembling the assembly of lithium battery and metal framework, which can be square
Just assembly fastening is fitted into them, and can make full use of the structure of itself and the assembly relation with metal framework,
Ensure under extreme climate and environmental condition, lithium battery can be anchored on wherein, and buffer the impact of all directions, improve anti-vibration
Property, and can arbitrarily place, such as either side face up, does not interfere with the performance of lithium battery.
Invention content：
In view of the above-mentioned problems, the present invention provides a kind of shell for assembling the assembly of lithium battery and metal framework, institute
Stating metal framework includes：Same size and two pieces of metallic plates of alignment setting, for the battery pack of lithium battery to be clamped therebetween,
Be arranged in alignment respectively above and below battery pack and on the region of longitudinal both sides on each piece of metallic plate to through-hole, use
Each pair of through-hole is passed through to expose both ends against respective battery in allowing screw rod；And the screw rod, when at the both ends of the screw rod
When by nut tightening, the battery pack by close fit to the metal framework to form the assembly,
The shell is made of upper shell cover and lower housing, and guiding rib is provided on the inner longitudinal face of the lower housing, is used
In the outer longitudinal face for guiding the assembly, and the inside bottom of the upper shell cover and lower housing is provided with cannelure, respectively
Upper and lower part for receiving two pieces of metallic plates, it is characterised in that：
The inside bottom of the upper shell cover and lower housing is provided with the transverse groove intersected with the cannelure, is respectively used to connect
It receives the screw rod above and below battery pack and to keep certain sky between the screw rod and the bottom of respective transversal slot
Gap.
Preferably, the guiding rib is prominent from the inner longitudinal face of the lower housing, and the recess portion between guiding rib will
Including the screw rod is received from the both ends that the assembly exposes together with the nut.
Preferably, the quantity of the guiding rib on each inner longitudinal face of the lower housing is the quantity of the screw rod
Subtract one.
Preferably, the shell of the assembly is equipped at a temperature of 60 DEG C ± 2 DEG C to -40 DEG C ± 2 DEG C, is subjected to frequency
For after 10Hz-60Hz, amplitude are 1.14mm-1.8mm and the duration is 1 hour vibration, the screw rod and respective transversal
Gap is kept between the bottom of slot.
Preferably, the shell of the assembly is equipped at a temperature of 60 DEG C ± 2 DEG C to -40 DEG C ± 2 DEG C, is subjected to frequency
For after 10Hz-60Hz, amplitude are 1.14mm-1.8mm and the duration is 2 hours vibration, the screw rod and respective transversal
Gap is kept between the bottom of slot.
Preferably, the cannelure is connected with the transverse groove via reinforcing rib.
Preferably, the reinforcing rib is also formed between adjacent transverse groove and/or the upper shell cover and the lower housing
Inner transverse face and adjacent transverse groove between.
Preferably, the upper shell cover and the lower housing are by makrolon, acrylonitrile-butadiene-styrene copolymer, poly-
Any one of propylene or any combinations are molded.
Preferably, the screw rod is enclosed with insulating sleeve.
The present invention can realize following advantageous effect：The shell of the present invention is formed by electricity by assembling assembly interior
Pond has two buffer gears of external shell and metal framework, and in metal framework, metallic plate is from two longitudinal direction sides and screw rod from upper and lower
Left and right carries out against support the battery in battery pack, and the stress of screw rod resists external pressure and alleviates corresponding cell deformation,
Two buffer gear synergistic effects, can buffer the impact of all directions, improve anti-vibration resistance, and can be with any position cloth
Set, without certain on one side must be upward requirement.
Description of the drawings：
For convenience of description, with reference to the following drawings in conjunction with specific embodiments, the structure of the shell of the present invention is carried out detailed
Description.
Figure 1A is the front view of lower housing, and Figure 1B is the vertical view of lower housing.
Fig. 2 is the schematic diagram of upper shell cover.
Fig. 3 A are the front view of metal framework, and Fig. 3 B are the side views of metal framework.
Reference numeral and the correspondence of each component are as follows：
1 lower housing
2 guiding ribs
3 upper shell covers
4 binding posts
5 metallic plates
6 Limit screws
7 cannelures
8 transverse grooves
9 reinforcing ribs
Specific implementation mode：
As shown in Figure 3A and Figure 3B, in the prior art, the metal framework for assembling lithium battery includes：Same size and right
Two pieces of metallic plates 5 being arranged together, for battery pack clamping therebetween, to be located on each piece of metallic plate above and below battery pack
Bar-shaped zone on be arranged in alignment respectively to through-hole, for allow Limit screw 6 against respective battery pass through each pair of through-hole
Expose both ends.As an example, Limit screw 6 is made of principal piece and the both ends, wherein the diameter of principal piece is more than through-hole
Aperture, and the aperture of through-hole is more than the diameter at the both ends.Above and below each region on through-hole logarithm be battery pack
N times of columns, n is the integer more than or equal to 1, so as to above and below each column battery pack all against at least one limit spiral shell
Bar 6 fastens and supports the row battery pack.As an example, n=1 here, battery pack totally 3 row, to battery pack top and under
3 pairs of through-holes and corresponding 3 Limit screws are respectively set in side.Through-hole above and below battery pack row is not necessarily quantity
Equal, as needed, such as since the weight of battery pack causes lower section to need stronger support force, it can also be arranged in battery pack
Lower section setting ratio above greater number of through-hole to being used to be inserted into Limit screw.On metallic plate 5, in addition to the top of battery pack
And lower section, can also in alignment be arranged to respectively on the region of longitudinal both sides of battery pack to through-hole, for allow limit spiral shell
The both sides that bar 6 bears against battery pack pass through each pair of through-hole to expose both ends, and the logarithm of through-hole is m on the region of either side, and m is
Integer more than or equal to 1, as an example, m=1.
The step of battery pack is assembled in metal framework to form assembly has been described in detail in the background technology, herein not
It repeats.By introducing the improvement to mounting technology, the structure of above-mentioned metal framework can occur to adjust accordingly, such as pass through introducing
Applicant is on April 26th, 2016 " fixture and side for being assembled to lithium battery in metal framework submitting, entitled
Method ", application No. is the fixture of 201610262653.6 patent application and method, Limit screw 6 can be reduced to screw rod, assembly
When under the cooperation of fixture, it is only necessary to nut is rotated to certain small torque at the both ends of screw rod, so that it may complete battery pack with
The assembly of metal framework.
Obtain complete battery component by the way that the assembly of battery pack and metal framework to be assembled in shell, the shell by
Upper shell cover 3 (as shown in Figure 2) and lower housing 1 are constituted.As shown in Figure 1A, it is provided with and leads on the inner longitudinal face of the lower housing 1
To muscle 2, the outer longitudinal face for guiding the assembly, and as shown in Figure 1B, the inside of the upper shell cover 3 and lower housing 1
Bottom is provided with cannelure 7, is respectively used to receive the top (corresponding to upper shell cover 3) of two pieces of metallic plates 5 and lower part is (corresponding
In lower housing 1), the inside bottom of the upper shell cover 3 and lower housing 1 is provided with the transverse groove 8 intersected with the cannelure 7, point
The screw rod 6 above and below battery pack Yong Yu not received and so that protected between the screw rod 6 and the bottom of respective transversal slot 8
Hold certain gap.When battery component is through vibrated, rolling and external impact, in addition to the buffering that the shell itself provides is made
With close fit is also supported and protects to the battery pack of its held tight to assembly therein especially metal framework.
Particularly, screw rod 6 to battery pack from providing held tight and against horizontal when meeting with lateral external impact up and down
The impact is resisted using its intensity to the screw rod 6 of extension, and stress is resisted by arching upward to generate outward, it is further to prevent
Deformation.And when meeting with longitudinal external impact, metallic plate 5 generates together with the collaboration of screw rod 6 of both sides and resists stress, to hinder
Only further deformation.So-called certain gap, it is ensured that screw rod 6 is when meeting with external impact lateral in specific environment, no
The bottom of respective transversal slot 8 can be touched.
Preferably, the guiding rib 2 is prominent from the inner longitudinal face of the lower housing 1, and the recess portion between guiding rib 2
Including the screw rod 6 is received from the both ends that the assembly exposes together with the nut.It can be easy along the guiding rib 2
Ground slides into assembly in lower housing 1, and guiding rib 2 can also improve the intensity of lower housing 1.Upper shell cover 3 and lower housing 1 it is interior
Portion's size is suitable for assembly close fit wherein, particularly so that the outer longitudinal face fitting guiding rib 2 of assembly
Longitudinal surface, and the longitudinal both ends of the metal framework of assembly fit closely the inner transverse face of shell.Preferably, described
The quantity of the guiding rib 2 on each inner longitudinal face of lower housing 1 is that the quantity of the screw rod subtracts one, as a result, adjacent
Guiding rib 2 between the recess portion of identical with screw rod quantity quantity is formed between guiding rib 2 and the end of lower housing 1, general just
Including all screw rods 6 are received from the both ends that the assembly exposes together with the nut.
As above the battery component obtained because battery pack by metal framework held tight inside again by screw rod 6 up and down
It closely braces against to form integrated assembly, and in the assembly close fit to shell, so battery component is arbitrarily placed
Performance is not all interfered with, to facilitate the installation of battery component, use and transport, also improves it under various road conditions of jolting
Safety.Preferably, the upper shell cover 3 and the lower housing 1 are copolymerized by makrolon, acrylonitrile-butadiene-styrene (ABS)
Any one of object, polypropylene or any combinations are molded.
It is equipped with the shell of the assembly above at a temperature of 60 DEG C ± 2 DEG C to -40 DEG C ± 2 DEG C, being subjected to frequency is
10Hz-60Hz, amplitude be 1.14mm-1.8mm while the duration be 1 hour vibration after, the screw rod 6 and respective transversal
Gap is kept between the bottom of slot 8.In vibration processes, electroless liquid splashes out, and after vibration, the idle capacity value of battery component is kept
For the 80%-98% of specified idle capacity value.Further, after the duration of the above vibration increases to 2 hours, the spiral shell
Also maintaining gap between bar 6 and the bottom of respective transversal slot 8, in vibration processes, still electroless liquid splashes out, after vibration, electricity
The idle capacity value of pond component still remains the 80%-90% of specified idle capacity value.
In addition, after battery component is fully charged, at a temperature of 20 DEG C ± 5 DEG C, from free-electron model from 1.5m height to thickness
For on the hardwood flooring of 20mm, each face 1 time, the battery component fall it is rear it is missing of ignition smolder, do not explode.
Preferably, the cannelure 7 and the transverse groove 8 are connected via reinforcing rib 9.Preferably, the also shape of the reinforcing rib 9
At between adjacent transverse groove 8 and/or the inner transverse face of the upper shell cover 3 and the lower housing 1 and adjacent transverse groove 8
Between.Particularly, 6 reinforcing ribs 9 in rice font can be formed for the same transverse groove 8, these reinforcing ribs 9 can increase
The intensity for adding the housing parts near cannelure 7 and transverse groove 8, can improve the longitudinal tension force of upper shell cover 3 and lower housing 1, also
The shape and mutual alignment relation of cannelure 7 and transverse groove 8 can be assisted in keeping.Arrangement above 9 institute of reinforcing rib of rice font
Obtained battery component is subjected to that frequency is 10Hz-60Hz, amplitude is at a temperature of at 60 DEG C ± 2 DEG C to -40 DEG C ± 2 DEG C
After 1.14mm-1.8mm and duration are the vibration of 48 hours, kept between the screw rod 6 and the bottom of respective transversal slot 8
Gap.In vibration processes, electroless liquid splashes out, and after vibration, the idle capacity value of battery component remains specified idle capacity value
80%-85%, additionally it is possible to while vibration while carry out charge and discharge.Also, the battery component is at a temperature of 20 DEG C ± 5 DEG C, from 2m
Height place free-electron model to thickness for 10mm hardwood flooring on, each face 1 time, the battery component fall it is rear it is missing of ignition smolder,
It does not explode, moreover it is possible to normal use.
As shown in Fig. 2, there are two binding posts 4 for the setting of upper shell cover 3.Screw rod 6 is typically stainless steel, in order to prevent in screw rod
6 touch the pole of battery in the case of leak electricity, it is preferable that screw rod 6 is enclosed with insulating sleeve.
The process for forming assembly is already elucidated above, repeats no more, it is as follows that assembly is assembled to the process in shell.
Form assembly；Assembly is slid into lower housing 1 along the guiding rib 2 of 1 inside of lower housing, is fitted close, binding face can be beaten
Glue；Then, upper shell cover 3 is covered, complete battery component is obtained.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of shell for assembling the assembly of lithium battery and metal framework, the metal framework include：Same size and
Two pieces of metallic plates of setting are aligned, for the battery pack of lithium battery to be clamped therebetween, on each piece of metallic plate above battery pack
Be arranged in alignment respectively on the region of lower section and longitudinal both sides to through-hole, for allowing screw rod to be passed through against respective battery
Each pair of through-hole exposes both ends；And the screw rod, when the both ends of the screw rod are by nut tightening, the battery pack quilt
To form the assembly in close fit to the metal framework,
The shell is made of upper shell cover and lower housing, guiding rib is provided on the inner longitudinal face of the lower housing, for drawing
The outer longitudinal face of the assembly is led, and the inside bottom of the upper shell cover and lower housing is provided with cannelure, is respectively used to
Receive the upper and lower part of two pieces of metallic plates, it is characterised in that：
The inside bottom of the upper shell cover and lower housing is provided with the transverse groove intersected with the cannelure, is respectively used to receive electricity
The screw rod above and below the group of pond simultaneously to keep certain gap, institute between the screw rod and the bottom of respective transversal slot
State upper shell cover and the lower housing by any one of makrolon, acrylonitrile-butadiene-styrene copolymer, polypropylene or
Any combinations are molded.
2. shell according to claim 1, which is characterized in that the guiding rib is from the inner longitudinal face of the lower housing
It is prominent, and the recess portion between guiding rib receives the screw rod from the both ends that the assembly exposes together with the nut
It is interior.
3. shell according to claim 1, which is characterized in that led described on each inner longitudinal face of the lower housing
Subtract one to the quantity that the quantity of muscle is the screw rod.
4. shell according to claim 1, which is characterized in that be equipped with the shell of the assembly 60 DEG C ± 2 DEG C to-
At a temperature of 40 DEG C ± 2 DEG C, it is subjected to that frequency is 10Hz-60Hz, amplitude is 1.14mm-1.8mm and the duration is 1 hour
After vibration, gap is kept between the screw rod and the bottom of respective transversal slot.
5. shell according to claim 1, which is characterized in that be equipped with the shell of the assembly 60 DEG C ± 2 DEG C to-
At a temperature of 40 DEG C ± 2 DEG C, it is subjected to that frequency is 10Hz-60Hz, amplitude is 1.14mm-1.8mm and the duration is 2 hours
After vibration, gap is kept between the screw rod and the bottom of respective transversal slot.
6. shell according to claim 1, which is characterized in that the cannelure and the transverse groove connect via reinforcing rib
It connects.
7. shell according to claim 6, which is characterized in that the reinforcing rib is also formed between adjacent transverse groove
And/or between the upper shell cover and the inner transverse face and adjacent transverse groove of the lower housing.
8. according to the shell described in any one of claim 1-7, which is characterized in that the screw rod is enclosed with insulating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286992.8A CN105895842B (en) | 2016-05-03 | 2016-05-03 | Shell for the assembly for assembling lithium battery and metal framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286992.8A CN105895842B (en) | 2016-05-03 | 2016-05-03 | Shell for the assembly for assembling lithium battery and metal framework |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105895842A CN105895842A (en) | 2016-08-24 |
| CN105895842B true CN105895842B (en) | 2018-08-21 |
Family
ID=56702044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610286992.8A Expired - Fee Related CN105895842B (en) | 2016-05-03 | 2016-05-03 | Shell for the assembly for assembling lithium battery and metal framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105895842B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391373B (en) * | 2019-07-15 | 2022-05-03 | 华侨大学 | Energy-absorbing protection battery box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146200Y (en) * | 2007-12-18 | 2008-11-05 | 比亚迪股份有限公司 | Casing for battery and battery set including the same |
| CN103296229A (en) * | 2012-02-27 | 2013-09-11 | 世邦电池株式会社 | Battery pack case |
| CN203690376U (en) * | 2013-12-23 | 2014-07-02 | 天津力神电池股份有限公司 | Fixed support for square lithium ion battery combination |
| CN104425782A (en) * | 2013-09-03 | 2015-03-18 | 三星Sdi株式会社 | Battery pack |
| CN205583007U (en) * | 2016-05-03 | 2016-09-14 | 北京恒绿源和科技有限公司 | A casing for assembling lithium cell is personally experienced sth. part of body with metal crate's assembly |
-
2016
- 2016-05-03 CN CN201610286992.8A patent/CN105895842B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146200Y (en) * | 2007-12-18 | 2008-11-05 | 比亚迪股份有限公司 | Casing for battery and battery set including the same |
| CN103296229A (en) * | 2012-02-27 | 2013-09-11 | 世邦电池株式会社 | Battery pack case |
| CN104425782A (en) * | 2013-09-03 | 2015-03-18 | 三星Sdi株式会社 | Battery pack |
| CN203690376U (en) * | 2013-12-23 | 2014-07-02 | 天津力神电池股份有限公司 | Fixed support for square lithium ion battery combination |
| CN205583007U (en) * | 2016-05-03 | 2016-09-14 | 北京恒绿源和科技有限公司 | A casing for assembling lithium cell is personally experienced sth. part of body with metal crate's assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105895842A (en) | 2016-08-24 |
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