CN221596513U - Cylindrical rechargeable battery - Google Patents
Cylindrical rechargeable battery Download PDFInfo
- Publication number
- CN221596513U CN221596513U CN202323490148.1U CN202323490148U CN221596513U CN 221596513 U CN221596513 U CN 221596513U CN 202323490148 U CN202323490148 U CN 202323490148U CN 221596513 U CN221596513 U CN 221596513U
- Authority
- CN
- China
- Prior art keywords
- battery
- pcba board
- rechargeable battery
- cylindrical rechargeable
- battery body
- 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.)
- Active
Links
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000005253 cladding Methods 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000002313 adhesive film Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a cylindrical rechargeable battery, which comprises a battery body, a PCBA board, a fixing seat, an anode cap, an anode contact piece and an adhesive film, wherein when the cylindrical rechargeable battery is assembled, the PCBA board is directly contacted with the anode of the battery body through the anode contact piece, and a cathode contact point at a notch position of the PCBA board is contacted with a cathode shell of the battery body and welded, so that firm connection is ensured, and the electric contact effect is good; then through mould injection molding or pour resin with PCBA board cladding formation cylindrical fixing base completely, protection effect is good moreover, overall structure is simple, and the part is few, and occupation space is little, can save more inner space and supply power body and use, and then can increase battery body's volume and capacity, extension duration promotes the comprehensive competitiveness of product. In addition, the whole appearance of the battery pack is consistent with that of a conventional battery, the use mode of the battery pack is consistent with that of the conventional battery, and the battery pack can be charged by adapting to the conventional charging box without paying additional use cost.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a cylindrical rechargeable battery.
Background
In daily life, cylindrical batteries include AA (No. 5), AAA (No. 7) and D (No. 1) batteries, etc., and are widely used in toys, small electric appliances and digital products. Cylindrical batteries are mainly divided into dry batteries and rechargeable batteries. The dry battery is a disposable battery, and cannot be recharged, and common dry battery types are alkaline batteries and carbonaceous batteries, while the rechargeable battery is a battery which can be repeatedly charged by matching with a charger, such as a nickel-metal hydride battery, a lithium ion battery and the like.
In order to improve the charge and discharge performance of a cylindrical battery, the utility model of publication number CN214797515U, named as a cylindrical battery with a built-in charge and discharge protection circuit, discloses a cylindrical battery with a built-in charge and discharge protection circuit, which comprises a metal shell, a battery core, a rubber plug support and a protection circuit board, wherein the protection circuit board is arranged in the outer surface of the rubber plug support and is positioned in the opening end of the metal shell, two battery core pole posts arranged at the positive end of the battery core pass through the rubber plug support and are electrically connected with the protection circuit board, and a positive electrode cap is arranged on the outer surface of the protection circuit board. The inner surface of the protective circuit board is provided with two metal clamps, and the two battery core pole posts are respectively inserted into the two metal clamps after longitudinally passing through the rubber plug support and are respectively contacted with the metal clamps. According to the battery charging and discharging control device, the protection circuit board is additionally arranged in the cylindrical battery, so that accurate charging and discharging control can be performed on the battery, overcharge or overdischarge is avoided, and the service life of the battery is prolonged. But it has two positive, negative electric core utmost point posts to all be located cylindrical battery's positive pole end position, then contact through the metal clip, not only the structure is relatively complicated, and the high space occupies much, influences battery capacity, and when assembling, needs to accurately align electric core utmost point post and metal clip in addition, and is high to the requirement of assembly accuracy, influences production efficiency, but also the contact failure or the contact loosening problem of still appearing easily.
Disclosure of utility model
In view of the above-mentioned drawbacks, the present utility model is directed to providing a cylindrical rechargeable battery having a simple structure, easy assembly, and reduced space occupation of a charge and discharge portion.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides a cylindrical rechargeable battery, its includes battery body, PCBA board, fixing base, anodal cap and anodal contact piece, anodal contact piece sets up the bottom surface central point of PCBA board puts, anodal contact piece with battery body's anodal is connected, PCBA board's border position is equipped with the breach, is equipped with the negative pole contact point on this breach, the negative pole contact point with battery body's negative pole casing contacts and welds, the fixing base cladding is in battery body's anodal tip, and will PCBA board cladding, anodal cap is located the top surface central point of fixing base, and with PCBA board is connected.
As a preferable scheme of the utility model, the PCBA board is circular in shape, a plurality of notches are symmetrically distributed on the edge of the PCBA board in circle center, and the notches are arc-shaped, so that convenience is brought to welding operation.
As a preferable scheme of the utility model, the outer diameter of the fixing seat is consistent with the outer diameter of the battery body, so that the battery is good in integrity and attractive in appearance.
As a preferable scheme of the utility model, the battery pack also comprises a glue film which can encapsulate and wrap the battery body and the fixing seat, so that the battery pack is attractive in appearance and can better protect the battery.
As a preferable scheme of the utility model, a supporting column is arranged in the center of the top surface of the PCBA board, and the positive electrode cap is sleeved at the end part of the supporting column, so that the positive electrode cap is prevented from sinking when being stressed.
As a preferable scheme of the utility model, the bottom surface of the fixing seat is provided with a concave cavity matched with the outline of the PCBA board, and the inner wall of the concave cavity is provided with a clamping protrusion matched with the notch.
As a preferable scheme of the utility model, the battery body is a rechargeable lithium battery or a rechargeable sodium battery, has higher energy density and long endurance time, and can meet the requirements of different users.
The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, when in assembly, the PCBA board is directly contacted with the positive electrode of the battery body through the positive electrode contact piece, and the negative electrode contact point on the notch position of the PCBA board is also just contacted with the negative electrode shell of the battery body, so that the welding of the negative electrode contact point and the negative electrode shell can be conveniently carried out through the notch, the firm connection is ensured, and the electric contact effect is good; then through the mould injection molding or pour the resin with PCBA board cladding completely forms cylindrical fixing base, and the protection effect is good, and overall structure is simple moreover, and the part is few, and occupation space is little, can save more inner space and supply power body and use, and then can increase battery body's volume and capacity, extension duration promotes the comprehensive competitiveness of product. In addition, the whole appearance of the utility model is consistent with that of a conventional battery, the use mode is consistent with that of the conventional battery, the charging box can be matched with the charging of the conventional charging box, and the utility model has the advantages of no additional accessory expenditure cost and learning cost, and brings convenience for use.
The utility model will be further described with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic exploded view of the present utility model.
Fig. 3 is a schematic view of the structure of the PCBA plate and the positive cap of the present utility model 1.
Fig. 4 is a schematic view of the structure of the PCBA plate and the positive cap of the present utility model 2.
Detailed Description
Examples: referring to fig. 1 to 4, the present embodiment provides a cylindrical rechargeable battery including a battery body 1, a PCBA board 2, a fixing base 3, a positive electrode cap 4, a positive electrode contact 5, and a glue film 6.
The battery body 1 can be a rechargeable lithium battery or a rechargeable sodium battery, has higher energy density and long endurance time, and can meet the requirements of different users. The PCBA board 2 is integrated with circuits such as a charge and discharge protection unit, a voltage raising and reducing unit, a battery management circuit unit, etc., and can be integrated according to the required functions in specific actual production.
The positive electrode contact piece 5 sets up the bottom surface central point of PCBA board 2 puts, positive electrode contact piece 5 with the anodal 11 of battery body 1 is connected, the border position of PCBA board 2 is equipped with breach 21, and is specific, the appearance of PCBA board 2 is circular, a plurality of breach 21 is centre of a circle symmetric distribution on the border position of PCBA board 2, breach 21 is the arc shape, brings the convenience for welding operation. The notch 21 is provided with a negative electrode contact 22, and the negative electrode contact 22 is in contact with and welded with the negative electrode casing 12 of the battery body 1. The center of the top surface of the PCBA board 2 is provided with a support column 23, and the positive electrode cap 4 is sleeved at the end part of the support column 23, so that the positive electrode cap 4 is prevented from sinking when being stressed. The lower edge of the positive cap 4 extends downward to form a metal contact 41, and the metal contact 41 is soldered to the PCBA board 2.
Then, carrying out mold injection molding or resin pouring on the positive electrode end part of the battery body 1, and forming a fixed seat 3 capable of coating the PCBA 2 after curing, wherein the positive electrode cap 4 is exposed from the center of the top surface of the fixed seat 3, and is coated by the fixed seat 3, so that the protection effect is good; correspondingly, a concave cavity 31 matched with the outline of the PCBA 2 is formed on the bottom surface of the fixed seat 3, and a clamping protrusion 32 matched with the notch 21 is formed on the inner wall of the concave cavity 31, so that the matching effect is good. Preferably, the outer diameter of the fixing seat 3 is consistent with the outer diameter of the battery body 1, and the fixing seat is cylindrical, and is good in integrity and attractive in appearance.
Finally, the battery body 1 and the fixing seat 3 are subjected to film sleeving, packaging and fixing to form a glue film 6 which can cover and fix the battery body 1 and the fixing seat 3 together, so that the appearance is attractive, and the battery can be better protected. The utility model has the same overall appearance as the conventional battery in appearance, the use mode is the same as the conventional battery, and the utility model can also be matched with the conventional charging box for charging without paying out additional accessory expenditure cost and learning cost, thereby bringing convenience to use. The utility model has the advantages of effectively simplified internal structure, fewer parts and small occupied space, can save more internal space for the power supply body 1, further can increase the volume and capacity of the battery body 1, and has long endurance time.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way. As described in the above embodiments of the present utility model, other batteries using the same or similar structures are within the scope of the present utility model.
Claims (7)
1. The utility model provides a cylindrical rechargeable battery, its includes battery body and PCBA board, its characterized in that still includes fixing base, positive pole cap and positive pole contact piece, positive pole contact piece sets up the bottom surface central point of PCBA board puts, positive pole contact piece with battery body's positive pole is connected, PCBA board's edge position is equipped with the breach, is equipped with the negative pole contact point on this breach, the negative pole contact point with battery body's negative pole casing contacts and welds, the fixing base cladding is in on battery body's the positive pole tip, and will PCBA board cladding, positive pole cap is located the top surface central point of fixing base, and with PCBA board is connected.
2. The cylindrical rechargeable battery of claim 1, wherein the PCBA plate has a circular shape, and the plurality of notches are symmetrically distributed on the edge of the PCBA plate in a center of a circle.
3. The cylindrical rechargeable battery according to claim 1 or 2, wherein the notch has an arc shape.
4. The cylindrical rechargeable battery of claim 1, wherein an outer diameter of said holder corresponds to an outer diameter of said battery body.
5. The cylindrical rechargeable battery of claim 4, further comprising a glue film encapsulating said battery body and said holder.
6. The cylindrical rechargeable battery of claim 1, wherein a support post is provided at a central position of a top surface of the PCBA board, and the positive electrode cap is sleeved at an end of the support post.
7. The cylindrical rechargeable battery of claim 1, wherein the bottom surface of the fixing base is formed with a concave cavity adapted to the outline of the PCBA plate, and the inner wall of the concave cavity is formed with a convex clip adapted to the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323490148.1U CN221596513U (en) | 2023-12-20 | 2023-12-20 | Cylindrical rechargeable battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323490148.1U CN221596513U (en) | 2023-12-20 | 2023-12-20 | Cylindrical rechargeable battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221596513U true CN221596513U (en) | 2024-08-23 |
Family
ID=92398315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323490148.1U Active CN221596513U (en) | 2023-12-20 | 2023-12-20 | Cylindrical rechargeable battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221596513U (en) |
-
2023
- 2023-12-20 CN CN202323490148.1U patent/CN221596513U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |