CN208622825U - A kind of double square electric cell battery modules - Google Patents
A kind of double square electric cell battery modules Download PDFInfo
- Publication number
- CN208622825U CN208622825U CN201821377560.9U CN201821377560U CN208622825U CN 208622825 U CN208622825 U CN 208622825U CN 201821377560 U CN201821377560 U CN 201821377560U CN 208622825 U CN208622825 U CN 208622825U
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- China
- Prior art keywords
- mould group
- upper housing
- square electric
- electric cell
- lower case
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a kind of double square electric cell battery modules, including the mould group upper housing being equipped with and mould group lower case, 2 column square electric cells arranged side by side are equipped between mould group upper housing and mould group lower case, it is equipped with glue-line between square electric cell and mould group upper housing, is respectively equipped with reinforcing beam in the mould group lower case of 2 column square electric cell opposite sides and phase back side；The top surface cooperation square electric cell of mould group upper housing is equipped with electroconductive aluminium strip；Battery modules are additionally provided with sampling pcb board.The utility model guarantees the fixation between square electric cell and mould group upper housing with the glue-line between square electric cell and mould group upper housing, reinforcing beam is as main force part, whole battery module structure is stablized, uniform force, the voltage and temperature sampling that mould group battery core is carried out using monolithic pcb board, complete the basic function of battery modules.The utility model space utilization rate is high, energy density is big, and light and intensity is high, and amount of parts is few, and assembly is simple, and easy to operate, processing cost is low.
Description
Technical field
The utility model relates to be the method or apparatus of electric energy, such as the technology neck of battery pack for direct transformation chemical energy
Domain, the in particular to double square electric cell battery modules that a kind of space utilization rate is high, energy density is big.
Background technique
At present under the support of country and the advantage in market, dynamic lithium battery industry development is very fast, and application is
Extend to the fields such as electric bus, electric motor car, micro- public transport and energy storage.
Since dynamic lithium battery needs frequent charge and discharge during use, therefore technical staff are except through being electricity
To guarantee it, preferably work is outer for pond heat dissipation, and also very concern tracks the real-time performance of dynamic lithium battery, this is power lithium
Battery gives full play to the key of its function.
However, existing square battery mould group mostly uses the knot of the double battery core mould group of single battery core or metal shell
Structure.In single battery core mould group, 4 bolts is at least needed to be fixed, occupies more space, while mould group upper casing is generally
Moulding is assembled by buckling with mould group lower casing, although having higher-strength, will definitely increase weight, and intensity
Use it is little；And double battery core mould group uses metal shell, weight is larger, and amount of parts is more, and assembly technology is more multiple
It is miscellaneous；Single battery core mould group can be used pcb board, FPC plate or harness and carry out voltage temperature sampling, but double mould group is due to its knot
Structure problem, most of design can only be sampled using harness, further result in that operation difficulty is big, processing cost is high.
Utility model content
In order to solve the problems in the existing technology, the utility model provides a kind of double square electric cell for optimizing structure
With battery modules, space utilization rate is high, energy density is big.
The utility model is the technical scheme adopted is that a kind of double square electric cell battery modules, including is equipped with
Mould group upper housing and mould group lower case, 2 column square electrics arranged side by side are equipped between the mould group upper housing and mould group lower case
Core is equipped with glue-line, the mould group lower casing of the 2 column square electric cell opposite side and phase back side between the square electric cell and mould group upper housing
It is respectively equipped with reinforcing beam in vivo；The top surface of the mould group upper housing cooperates the square electric cell to be equipped with electroconductive aluminium strip；The battery
Mould group is additionally provided with sampling pcb board.
Preferably, several retaining mechanisms are equipped between the mould group upper housing and mould group lower case.
Preferably, the first retaining mechanism, first retaining mechanism are equipped between the mould group upper housing and mould group lower case
Several openings of medial surface including mould group upper housing, the side of the mould group lower case is equipped with matches with opening one-to-one correspondence
Close the buckle of setting.
Preferably, the second retaining mechanism, second retaining mechanism are equipped between the mould group upper housing and mould group lower case
Including being correspondingly arranged at the lower edge of mould group upper housing and the several groups through-hole at the upper limb of mould group lower case, described in any group
It is bolted between through-hole.
Preferably, power conducting piece is additionally provided between the mould group upper housing and mould group lower case, the power conducting piece includes setting
Several conduction keys at the upper limb of mould group lower case, it is several that the lower edge of the mould group upper housing cooperates the conduction key to be equipped with
Hole is conducted, is equipped with steel bushing in the conduction hole；The steel bushing bottom is equipped with bulge loop, is equipped in the conduction key and matches with the bulge loop
The concave ring of conjunction.
Preferably, the lateral surface of the steel bushing is equipped with a plane vertically, and the inside of the steel bushing is equipped with screw thread.
Preferably, the top surface of the mould group upper housing is equipped with several protrusions.
Preferably, the sampling pcb board is set on the electroconductive aluminium strip.
Preferably, the mould group upper housing is equipped with mould group upper cover.
Preferably, the edge of the mould group upper cover is fixed on mould group upper housing by plastic button.
The utility model provides a kind of double square electric cell battery modules for optimizing structure, by being equipped with
2 column square electric cells side by side are set between mould group upper housing and mould group lower case, with the glue-line between square electric cell and mould group upper housing
Guarantee the fixation between square electric cell and mould group upper housing, between 2 column square electric cells and the phase of 2 column square electric cells and mould group lower case
Reinforcing beam is respectively set in opposite, and as main force part, whole battery module structure is stablized, uniform force；In mould group
The top surface cooperation square electric cell setting electroconductive aluminium strip and sampling pcb board of shell, the voltage of mould group battery core is carried out using monolithic pcb board
And temperature sampling, complete the basic function of battery modules.The utility model space utilization rate is high, energy density is big, light and strong
Degree is high, and amount of parts is few, and assembly is simple, and easy to operate, processing cost is low.
Detailed description of the invention
Fig. 1 is the explosion figure structure schematic representation of the utility model；
Fig. 2 is the three-dimensional figure structure schematic representation that the utility model removes mould group upper cover；
Fig. 3 is the corresponding mould group upper housing of the utility model and the explosion figure structure schematic representation of mould group lower case；
Fig. 4 is the structural schematic diagram of the steel bushing in the utility model.
Specific embodiment
Below with reference to embodiment, the utility model is further described in detail, but the protection scope of the utility model is simultaneously
It is without being limited thereto.
The utility model relates to a kind of double square electric cell battery modules, including 1 He of mould group upper housing being equipped with
Mould group lower case 2 is equipped with 2 column square electric cells 3 arranged side by side between the mould group upper housing 1 and mould group lower case 2, described rectangular
Glue-line is equipped between battery core 3 and mould group upper housing 1, in the mould group lower case 2 of 2 column square electric cell, 3 opposite side and phase back side point
It She You not reinforcing beam 4；The top surface of the mould group upper housing 1 cooperates the square electric cell 3 to be equipped with electroconductive aluminium strip 5；The battery mould
Group is additionally provided with sampling pcb board 6.
In the utility model, battery modules constitute whole knot by the mould group upper housing 1 and mould group lower case 2 being equipped with
Structure, and it is all made of plastic material, guarantee that battery modules overall weight is smaller.
In the utility model, 2 column square electric cells 3 side by side, battery are set between mould group upper housing 1 and mould group lower case 2
Utilization rate is high, and energy density is big.
In the utility model, the casing part of square electric cell 3 and battery modules includes several heavy reinforcings:
First, being equipped with glue-line between square electric cell 3 and mould group upper housing 1, guarantee between square electric cell 3 and mould group upper housing 1
It is fixed；
Second, between 2 column square electric cells 3 be arranged reinforcing beam 4, guarantee 2 column square electric cells 3 it is relatively independent while guarantee
Support strength between 2 column square electric cells 3；
Third, reinforcing beam 4 is respectively set in 2 column square electric cells 3 and the opposite face of mould group lower case 2, as main stress
Position, so that whole battery module structure is stablized, uniform force.
In the utility model, by the effect of 3 reinforcing beams 4,2 column square electric cells 3 need 3 row's fixed points, save empty
Between and connector.
In the utility model, square electric cell 3, which is generally from the front end rearward end of mould group lower case 2, to be arranged, and reinforcing beam 4 is general
It is parallel to left side and the right side setting of mould group lower case 2.
In the utility model, it is clear that also be provided with when being equipped with reinforcing beam 4 in mould group lower case 2, in mould group upper housing 1 pair
The reinforcing beam 4 answered, in fact, the fastening effect in order to guarantee battery modules entirety, reinforcing beam 4 is in mould group upper housing 1 and mould group
What lower case 2 necessarily occurred in groups.
In the utility model, in the top surface of mould group upper housing 1, electroconductive aluminium strip 5 and sampling pcb board is arranged in cooperation square electric cell 3
6, the voltage and temperature sampling of mould group square electric cell 3 are carried out using monolithic pcb board 6, complete the basic function of battery modules.
The utility model space utilization rate is high, energy density is big, and light and intensity is high, and amount of parts is few, and assembly is simple,
Easy to operate, processing cost is low.
Several retaining mechanisms are equipped between the mould group upper housing 1 and mould group lower case 2.
The first retaining mechanism is equipped between the mould group upper housing 1 and mould group lower case 2, first retaining mechanism includes mould
Several openings of the medial surface of group upper housing 1, the side of the mould group lower case 2 are equipped with to correspond to cooperate with the opening and set
The buckle 8 set.
The second retaining mechanism is equipped between the mould group upper housing 1 and mould group lower case 2, second retaining mechanism includes pair
The lower edge and the several groups through-hole 9 at the upper limb of mould group lower case 2 that mould group upper housing 1 should be set to, lead to described in any group
It is bolted between hole 9.
It is relatively stable between mould group upper housing 1 and mould group lower case 2 in order to guarantee in the utility model, therefore in mould group
Several retaining mechanisms are set between shell 1 and mould group lower case 2.
Buckle 8 in the utility model, in the side of several openings and mould group lower case 2 of the side of mould group upper housing 1
It corresponds, pre-assembled is carried out to mould group upper housing 1 and mould group lower case 2 using buckle 8 and opening, ensure that mould group upper housing
1 and the edge of mould group lower case 2 can be aligned.
In the utility model, several openings of the medial surface of mould group upper housing 1 can also be set as the structures such as translot, only need
Guarantee that the buckle 8 such as figure being capable of stable connection.Those skilled in the art can be according to demand self-setting.
In the utility model, further pass through the lower edge of mould group upper housing 1 and the upper intermarginal several groups of mould group lower case 2
Through-hole 9 is aligned, to be bolted, fixed module upper housing 1 and mould group lower case 2.
In the utility model, the assembling process of square electric cell 3 are as follows: be inverted mould group upper housing 1,3 side of square electric cell applies
It after glue, is mounted on inside mould group upper housing 1 one by one, mould group lower case 2 is installed, pre-installed by the way that buckle 8 is corresponding with opening,
It is aligned the through-hole 9 of mould group upper housing 1 and the cooperation of mould group lower case 2, is tightened mould group upper housing 1 and mould group lower case 2 with bolt,
Square shaped battery core 3 is fixed.
Power conducting piece is additionally provided between the mould group upper housing 1 and mould group lower case 2, the power conducting piece includes being set to mould group
Several conduction keys 10 at the upper limb of lower case 1, it is several that the lower edge of the mould group upper housing 1 cooperates the conduction key 10 to be equipped with
Hole 11 is conducted, is equipped with steel bushing 12 in the conduction hole 11；12 bottom of steel bushing is equipped with bulge loop 13, is equipped in the conduction key 10
With the concave ring of the bulge loop 13 cooperation.
The lateral surface of the steel bushing 12 is equipped with a plane 15 vertically, and the inside of the steel bushing 12 is equipped with screw thread.
In the utility model, since battery modules are traditionally arranged to be plastic part, while in mould group upper housing 1 and mould group lower casing
It is provided with 2 column square electric cells 3 between body 2, therefore needs that power conducting piece is arranged between mould group upper housing 1 and mould group lower case 2, guarantees mould
It is not departed between group upper housing 1 and mould group lower case 2.
In the utility model, in the lower edge setting conduction hole 11 of mould group upper housing 1, and setting bottom has in conduction hole 11
The steel bushing 12 of bulge loop 13, in the upper limb setting conduction key 10 of mould group lower case 2, setting cooperates with bulge loop 13 in conduction key 10
Concave ring can prevent in hoisting process after the combination of this concave ring and bulge loop 13 has multiple groups, each group of concave ring and bulge loop 13 to fasten
Steel bushing 12 is extracted, steel bushing 12 and shell are interference fitted, and the conduction of power is carried out by entire cylindrical surface, becomes the master of battery modules
Stress point is wanted, the partial structurtes intensity of battery modules is increased.
In the utility model, conduction key 10 obviously has the part of prominent mould group lower case 2, since 12 bottom of steel bushing is equipped with
Bulge loop 13, therefore gap is actually existed between steel bushing 12 and conduction hole 11, the protrusion of conduction key 10 is just embedded in around here
In gap, the intensity between power conducting piece is further strengthened, and then reinforce the assembly strength of battery modules.
In the utility model, screw thread is equipped in steel bushing 12, the tool for lifting battery modules is screwed into.
In the utility model, the side vertical of steel bushing 12 is equipped with a plane 15, and steel bushing 12 turns together when can prevent from being screwed into
It is dynamic to influence assembly strength and packaging efficiency.
In the utility model, in order to guarantee the intensity of battery modules, in actual application, under square electric cell 3 and mould group
The reinforcing beam 4 of the opposite face of shell 2 and mould group lower case 2 are integrated in one, so when power conducting piece combination be directly arranged
On reinforcing beam 4, further, power conducting piece can also be set on the reinforcing beam 4 between 2 column square electric cells 3.This is practical for this
Novel further extension, those skilled in the art can be according to demand self-settinies.
The top surface of the mould group upper housing 1 is equipped with several protrusions.
The mould group upper housing 1 is equipped with mould group upper cover 16.
The edge of the mould group upper cover 16 is fixed on mould group upper housing 1 by plastic button.
In the utility model, the top surface of mould group upper housing 1 is equipped with 2 kinds of protrusions, and one is limited mobile convex of electroconductive aluminium strip 5 processed
It rises, for improving installation accuracy, secondly being the protrusion 18 of 4 cylinders, for installing sampling pcb board 6 and mould group upper cover 17.
In the utility model, the whole trapezoidal setting of the protrusion 18 of 4 cylinders, convenient for sampling pcb board 6 and mould group upper cover 17
Installation.
In the utility model, mould group upper cover 17 is generally plastic-absorbing component, and thickness is smaller, such as 0.76mm, is fixed by plastic button
On mould group upper housing 1, plays the role of covering, prevent sundries from entering battery modules.
The sampling pcb board 6 is set on the electroconductive aluminium strip 5.
In the utility model, since the height of electroconductive aluminium strip 5 is higher, can high 1 about 1-2mm of depanning group upper housing, therefore
Monolith can be sampled pcb board 6 to be fixed by screws on electroconductive aluminium strip 5, collect the voltage and temperature of entire battery modules,
It is used to sample the sampling connection of pcb board 6 with the protrusion of electroconductive aluminium strip 5.
In the utility model, battery modules further include output stage aluminium row 17, plate series connection aluminium row 7 and output stage protection cap 14
Deng being the Conventional mechanisms of this field, those skilled in the art can be configured these components according to self-demand, to reach
The purpose high to space utilization rate, energy density is big has such as in the present invention reached by internal circuit and has made mould
The output stage of group is apart from closer, and then be more convenient for later period battery modules composition battery pack and the purpose of arrangement that is electrically connected.
The utility model by be arranged between the mould group upper housing 1 being equipped with and mould group lower case 2 side by side 2 column it is rectangular
Battery core 3 guarantees the fixation between square electric cell 3 and mould group upper housing 1 with the glue-line between square electric cell 3 and mould group upper housing 1,2
Between column square electric cell 3 and reinforcing beam 4 is respectively set in 2 column square electric cells 3 and the opposite face of mould group lower case 2, as main stress
Position, whole battery module structure are stablized, uniform force；In the top surface of mould group upper housing 1, conduction is arranged in cooperation square electric cell 3
Aluminium row 5 and sampling pcb board 6, the voltage and temperature sampling of square electric cell 3 are carried out using monolithic pcb board 6, completes battery modules
Basic function.The utility model space utilization rate is high, energy density is big, and light and intensity is high, and amount of parts is few, assembly letter
Single, easy to operate, processing cost is low.
Claims (10)
1. a kind of double square electric cell battery modules, including the mould group upper housing being equipped with and mould group lower case, feature
It is: is equipped with 2 column square electric cells arranged side by side, the square electric cell and mould group between the mould group upper housing and mould group lower case
It is equipped with glue-line between upper housing, is respectively equipped with reinforcing beam in the mould group lower case of the 2 column square electric cell opposite side and phase back side；Institute
The top surface for stating mould group upper housing cooperates the square electric cell to be equipped with electroconductive aluminium strip；The battery modules are additionally provided with sampling pcb board.
2. a kind of double square electric cell battery modules according to claim 1, it is characterised in that: the mould group upper housing
Several retaining mechanisms are equipped between mould group lower case.
3. a kind of double square electric cell battery modules according to claim 2, it is characterised in that: the mould group upper housing
The first retaining mechanism is equipped between mould group lower case, first retaining mechanism includes that the several of medial surface of mould group upper housing open
Mouthful, the side of the mould group lower case, which is equipped with, corresponds the buckle being equipped with the opening.
4. a kind of double square electric cell battery modules according to claim 2, it is characterised in that: the mould group upper housing
The second retaining mechanism is equipped between mould group lower case, second retaining mechanism includes the lower edge for being correspondingly arranged at mould group upper housing
And the several groups through-hole at the upper limb of mould group lower case, it is bolted between through-hole described in any group.
5. a kind of double square electric cell battery modules according to claim 1, it is characterised in that: the mould group upper housing
Power conducting piece is additionally provided between mould group lower case, the power conducting piece includes several conduction at the upper limb of mould group lower case
Key, the lower edge of the mould group upper housing cooperate the conduction key to be equipped with several conduction holes, are equipped with steel bushing in the conduction hole；Institute
Steel bushing bottom is stated equipped with bulge loop, the conduction key is interior to be equipped with the concave ring cooperated with the bulge loop.
6. a kind of double square electric cell battery modules according to claim 5, it is characterised in that: the outside of the steel bushing
Face is equipped with a plane vertically, and the inside of the steel bushing is equipped with screw thread.
7. a kind of double square electric cell battery modules according to claim 1, it is characterised in that: the mould group upper housing
Top surface be equipped with several protrusions.
8. a kind of double square electric cell battery modules according to claim 1, it is characterised in that: the sampling pcb board
On the electroconductive aluminium strip.
9. a kind of double square electric cell battery modules according to claim 1, it is characterised in that: the mould group upper housing
It is equipped with mould group upper cover.
10. a kind of double square electric cell battery modules according to claim 9, it is characterised in that: the mould group upper cover
Edge be fixed on mould group upper housing by plastic button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821377560.9U CN208622825U (en) | 2018-08-26 | 2018-08-26 | A kind of double square electric cell battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821377560.9U CN208622825U (en) | 2018-08-26 | 2018-08-26 | A kind of double square electric cell battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208622825U true CN208622825U (en) | 2019-03-19 |
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ID=65716135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821377560.9U Active CN208622825U (en) | 2018-08-26 | 2018-08-26 | A kind of double square electric cell battery modules |
Country Status (1)
| Country | Link |
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| CN (1) | CN208622825U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212134A (en) * | 2019-06-27 | 2019-09-06 | 蜂巢能源科技有限公司 | The battery module of battery pack |
| CN113707989A (en) * | 2021-08-13 | 2021-11-26 | 姜爱礼 | Production installation component of new energy automobile lithium cell |
-
2018
- 2018-08-26 CN CN201821377560.9U patent/CN208622825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212134A (en) * | 2019-06-27 | 2019-09-06 | 蜂巢能源科技有限公司 | The battery module of battery pack |
| CN113707989A (en) * | 2021-08-13 | 2021-11-26 | 姜爱礼 | Production installation component of new energy automobile lithium cell |
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