CN205723744U - Connect assembly and battery component - Google Patents
Connect assembly and battery component Download PDFInfo
- Publication number
- CN205723744U CN205723744U CN201620620225.1U CN201620620225U CN205723744U CN 205723744 U CN205723744 U CN 205723744U CN 201620620225 U CN201620620225 U CN 201620620225U CN 205723744 U CN205723744 U CN 205723744U
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- Prior art keywords
- sheet
- assembly
- connecting piece
- connects
- battery
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
This utility model provides a kind of assembly and battery component of connecting, and connection assembly includes that thermal cutout element, a connecting piece and second connect sheet.Wherein, thermal cutout element includes that multiple a connecting piece and second that is connected in parallel on connects the temperature element (TE between sheet.According in connection assembly of the present utility model and battery component, owing to the multiple temperature element (TEs in the thermal cutout element of connection assembly are connected in parallel with each other, therefore when connecting assembly and being applied in battery component, improve discharge capacity during battery component electric discharge, ensure that the safety of battery component simultaneously.
Description
Technical field
This utility model relates to field of batteries, particularly relates to a kind of connection assembly and battery component.
Background technology
Lithium battery has the features such as light, high-energy-density, shape are changeable, is widely used in mobile terminal, electronic toy
In field.For safety when lithium battery works, lithium battery is typically assembled with safety element, prevent lithium battery from overcharging, temperature
Spend the abnormal conditions such as height, short circuit.Protection element typically has critesistor (Positive Temperature
Coefficient, is abbreviated as PTC) element, circuit protection module (Protection Circuit Module, be abbreviated as PCM)
Element, thermal cutout (Thermal Cut Off, be abbreviated as TCO) element etc..TCO element has a temperature element (TE (such as open circuit
Device, Breaker), it is temperature-sensitive element.When temperature increases to a timing, and internal resistance is increased dramatically, and temperature element (TE will disconnect；With
Time at a certain temperature, there is an overcurrent threshold value, exceed this threshold value, temperature element (TE also can disconnect.TCO element leads to just
Cross this operation principle to realize the safeguard protection of lithium battery.
In recent years, along with the progress of technology, the requirement to the high power discharge performance of battery is more and more higher.Slimming, big
Capacity, high power discharge and safer polymer battery are more favored.The heat that TCO element sends can be according to Q=Cm Δ t
=I2RT calculates, when discharge power becomes big, and discharge current strengthens, and Δ t becomes big, and temperature-sensitive element temperature increases.So it is high-power
During electric discharge, lithium battery of the prior art typically can not discharge completely, can only release the electricity of 50%～80%, and in order to completeer
Full electric discharge, is the most all to remove TCO element.But after removing TCO element, the safety of lithium battery can not be guaranteed.
Utility model content
In view of problem present in background technology, the purpose of this utility model is that providing a kind of connects assembly and set of cells
Part, when connection assembly is applied in battery component, improves discharge capacity during battery component electric discharge, ensure that battery component simultaneously
Safety.
To achieve these goals, in first aspect, this utility model provides a kind of connection assembly, and it includes that hot melt breaks
Circuit component, a connecting piece and second connect sheet.Wherein, thermal cutout element includes multiple being connected in parallel on a connecting piece and second
Connect the temperature element (TE between sheet.
To achieve these goals, in second aspect, this utility model provides a kind of battery component, comprising: battery,
There are two lugs that electric polarity is contrary；And according to the connection assembly described in this utility model first aspect.Wherein, connection group
Part is arranged in series in the charging and discharging circuit of battery and the formation of external electrical device, and connects a connecting piece electrical connection of assembly
One of them lug in battery.
The beneficial effects of the utility model are as follows:
In the connection assembly according to this utility model first aspect, due to many in the thermal cutout element of connection assembly
Individual temperature element (TE is connected in parallel with each other, therefore when connecting assembly and being applied in battery component, when improve battery component electric discharge
Discharge capacity, ensure that the safety of battery component simultaneously.
In the battery component according to this utility model second aspect, connect assembly and be arranged in series in battery and external electrical
In the charging and discharging circuit that device is formed, owing to the multiple temperature element (TEs in the thermal cutout element of connection assembly are connected in parallel to each other even
Connect, thus the electric current in charging and discharging circuit is divided into the multiple branch currents flowing to each temperature element (TE respectively.Therefore, discharge and recharge is returned
The electric current that electric current on road flows through each temperature element (TE is smaller, thus decreases the caloric value of thermal cutout element self,
And then improve discharge capacity when battery component discharges, improve the ability of battery component high power discharge, ensure that electricity simultaneously
The safety of pond assembly.
Accompanying drawing explanation
Fig. 1 is to electrically connect rough schematic view according to battery component of the present utility model with external utilization device, the most only shows
Go out a lug；
Fig. 2 is according to connection assembly of the present utility model front view in one embodiment；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is according to connection assembly of the present utility model front view in another embodiment；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is according to connection assembly of the present utility model front view in another embodiment；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the variation of Fig. 6；
Fig. 9 is the variation of Fig. 7.
Wherein, description of reference numerals is as follows:
1 battery 22 a connecting piece
11 lugs 23 second connect sheet
2 connect assembly 24 transition connects sheet
21 thermal cutout element A external utilization device
211 temperature element (TE L length directions
211A the first end T thickness direction
211B the second end
Detailed description of the invention
Describe in detail with reference to the accompanying drawings according to connection assembly of the present utility model and battery component.
First the connection assembly of this utility model first aspect is described.
With reference to Fig. 2 to Fig. 9, include thermal cutout (TCO) element 21, first even according to connection assembly 2 of the present utility model
Contact pin 22 and second connects sheet 23, it is characterised in that thermal cutout element 21 includes multiple being connected in parallel on a connecting piece 22 and the
Two connect the temperature element (TE 211 between sheet 23.
According in connection assembly 2 of the present utility model, owing to connecting the multiple temperature in the thermal cutout element 21 of assembly 2
Degree element 211 is connected in parallel with each other, therefore when connecting assembly 2 and being applied in battery component, when improve battery component electric discharge
Discharge capacity, ensure that the safety of battery component simultaneously.
According in connection assembly 2 of the present utility model, each temperature element (TE 211 has and is electrically connected to a connecting piece 22
First end 211A and the second end 211B being electrically connected to the second connection sheet 23.
According to connection assembly 2 of the present utility model, in one embodiment, with reference to Fig. 2 to Fig. 9, the of each temperature element (TE 211
One end 211A can the most directly be electrically connected to a connecting piece 22, and the second end 211B can the most directly be electrically connected to the second connection sheet
23。
In one embodiment, with reference to Fig. 2 and Fig. 3, all temperature element (TEs 211 of thermal cutout element 21 can connect along first
The length direction L of sheet 22 is arranged in parallel.
In one embodiment, with reference to Fig. 4 and Fig. 5, all temperature element (TEs 211 of thermal cutout element 21 can connect along first
The thickness direction T of sheet 22 is arranged in parallel.
In one embodiment, with reference to Fig. 6 to Fig. 9, connect assembly 2 and may also include that transition connects sheet 24.Wherein, at least one
First end 211A of individual temperature element (TE 211 connects sheet 24 via transition and is connected with a connecting piece 22 Indirect Electro, and/or at least one
Second end 211B of individual temperature element (TE 211 connects sheet 24 via transition and is connected the connection of sheet 23 Indirect Electro with second.Specifically, mistake
Cross and connect between the first end 211A and a connecting piece 22 that sheet 24 may be provided at any one (or multiple) temperature element (TE 211,
The the second end 211B and second that may also be arranged on any one (or multiple) temperature element (TE 211 connects between sheet 23, also can be simultaneously
Between the first end 211A and a connecting piece 22 of any one (or multiple) temperature element (TE 211 and these one (or multiple)
It is respectively provided with transition between second end 211B of temperature element (TE 211 and second connection sheet 23 and connects sheet 24.Here remark additionally
It is that transition connects the quantity of sheet 24 and can be determined according to actual needs.
In one embodiment, with reference to Fig. 4 to Fig. 9, the temperature element (TE 211 of thermal cutout element can be two.
In one embodiment, with reference to Fig. 7 and Fig. 9, it can be L-type that transition connects the shape of sheet 24.
In one embodiment, the connected mode between a connecting piece 22 with temperature element (TE 211 can be to weld.
In one embodiment, the second connected mode connected between sheet 23 and temperature element (TE 211 can be to weld.
In one embodiment, a connecting piece 22 can be sheet metal.
In one embodiment, the second connection sheet 23 can be sheet metal.
In one embodiment, transition connects sheet 24 can be sheet metal.
In one embodiment, sheet metal by copper, nickel, aluminum, the material simple substance of ferrum, alloy, composite band and can plate accordingly
Membrane material is made.Further, sheet metal can be made up of copper, aluminum nickel plating or copper nickel plating or nickel-copper-nickel composite band, and uses
The resistance of the sheet metal that this composite band material is made is little, when being applied in battery component, it is possible to reduce temperature element (TE 211
Temperature, and then improve the discharge capacity of battery component.
Secondly explanation is according to the battery component of this utility model second aspect.
With reference to Fig. 1, include according to battery component of the present utility model: battery 1 that there are two lugs that electric polarity is contrary
11；And according to the connection assembly 2 described in this utility model first aspect.Wherein, connect assembly 2 be arranged in series in battery 1 with
In the charging and discharging circuit that external electrical device A is formed, and a connecting piece 22 connecting assembly 2 is electrically connected to battery 1 wherein
One lug 11.
According in battery component of the present utility model, connect assembly 2 and be arranged in series in battery 1 and external electrical device A
In the charging and discharging circuit formed, due to multiple temperature element (TEs 211 company of being connected in parallel to each other in the thermal cutout element 21 of connection assembly 2
Connect, thus the electric current in charging and discharging circuit is divided into the multiple branch currents flowing to each temperature element (TE respectively.Therefore, discharge and recharge is returned
The electric current that electric current on road flows through each temperature element (TE 211 is smaller, thus decreases sending out of thermal cutout element 21 self
Heat, and then improve discharge capacity when battery component discharges, improve the ability of battery component high power discharge, ensure simultaneously
The safety of battery component.
According to battery component of the present utility model, in one embodiment, a connecting piece 22 and the first of temperature element (TE 211
The material at the position of end 211A electrical connection and the material at the position of a connecting piece 22 lug 11 corresponding with battery 1 electrical connection
Matter is different.
In one embodiment, the material at the position that the second connection sheet 23 electrically connects with the second end 211B of temperature element (TE 211
Sheet 23 is connected different from the material at the position that external electrical device A electrically connects with second.
In one embodiment, connecting assembly 2 and be only one, connecting the solderable electric polarity that is connected to of assembly 2 is on positive lug 11,
The most solderable electric polarity that is connected to is on negative lug 11.
In one embodiment, connecting assembly 2 and can be two, corresponding two opposite polarity lugs 11 are arranged respectively.
In one embodiment, electric polarity be the material of positive lug 11 can be aluminum, electric polarity is the material of negative lug 11
It can be the alloy of nickel or nickel.
In one embodiment, battery 1 can be secondary cell.
In one embodiment, battery 1 can be lithium rechargeable battery, zinc ion secondary cell or sodium ion secondary battery.
Claims (10)
1. one kind connects assembly (2), connects sheet (23) including thermal cutout element (21), a connecting piece (22) and second, its
Being characterised by, thermal cutout element (21) includes that multiple a connecting piece (22) and second that is connected in parallel on connects the temperature between sheet (23)
Degree element (211).
Connection assembly (2) the most according to claim 1, it is characterised in that
Each temperature element (TE (211) has and is electrically connected to first end (211A) of a connecting piece (22) and is electrically connected to the second connection
Second end (211B) of sheet (23).
Connection assembly (2) the most according to claim 2, it is characterised in that
First end (211A) of each temperature element (TE (211) is the most directly electrically connected to a connecting piece (22), and the second end (211B)
The most directly it is electrically connected to the second connection sheet (23).
Connection assembly (2) the most according to claim 3, it is characterised in that
All temperature element (TEs (211) of thermal cutout element (21) are arranged in parallel along the length direction (L) of a connecting piece (22)；
Or
All temperature element (TEs (211) of thermal cutout element (21) are arranged in parallel along the thickness direction (T) of a connecting piece (22).
Connection assembly (2) the most according to claim 2, it is characterised in that
Connect assembly (2) also to include: transition connects sheet (24)；
Wherein, first end (211A) of at least one temperature element (TE (211) connects sheet (24) and a connecting piece via transition
(22) Indirect Electro connects, and/or second end (211B) of at least one temperature element (TE (211) connects sheet (24) and the via transition
Two connect sheet (23) Indirect Electro connects.
Connection assembly (2) the most according to claim 5, it is characterised in that transition connect sheet (24) be shaped as L-type.
Connection assembly (2) the most according to claim 1, it is characterised in that
A connecting piece (22) is sheet metal；And/or
Second connection sheet (23) is sheet metal.
Connection assembly the most according to claim 5, it is characterised in that it is sheet metal that transition connects sheet (24).
9. a battery component, including battery (1), described battery (1) has two lugs (11) that electric polarity is contrary, its feature
Being, battery component also includes the connection assembly (2) according to any one of claim 1-8；
Wherein, connect assembly (2) and be arranged in series in the charging and discharging circuit that battery (1) and external electrical device (A) are formed, and even
A connecting piece (22) of connected components (2) is electrically connected to one of them lug (11) of battery (1).
Battery component the most according to claim 9, it is characterised in that
Connect assembly (2) and be only one；Or
Connecting assembly (2) is two, and the most corresponding two opposite polarity lugs (11) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620620225.1U CN205723744U (en) | 2016-06-21 | 2016-06-21 | Connect assembly and battery component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620620225.1U CN205723744U (en) | 2016-06-21 | 2016-06-21 | Connect assembly and battery component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723744U true CN205723744U (en) | 2016-11-23 |
Family
ID=57315600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620620225.1U Active CN205723744U (en) | 2016-06-21 | 2016-06-21 | Connect assembly and battery component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205723744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634715A (en) * | 2019-09-26 | 2019-12-31 | 苏州聚天合金属科技有限公司 | Circuit breaker pin piece, circuit breaker and electrochemical device |
-
2016
- 2016-06-21 CN CN201620620225.1U patent/CN205723744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634715A (en) * | 2019-09-26 | 2019-12-31 | 苏州聚天合金属科技有限公司 | Circuit breaker pin piece, circuit breaker and electrochemical device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |