CN203760548U - Alkaline battery - Google Patents
Alkaline battery Download PDFInfo
- Publication number
- CN203760548U CN203760548U CN201420148248.8U CN201420148248U CN203760548U CN 203760548 U CN203760548 U CN 203760548U CN 201420148248 U CN201420148248 U CN 201420148248U CN 203760548 U CN203760548 U CN 203760548U
- Authority
- CN
- China
- Prior art keywords
- negative pole
- battery
- pole end
- end cap
- shell fragment
- 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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- 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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- Gas Exhaust Devices For Batteries (AREA)
- Primary Cells (AREA)
Abstract
The utility model discloses an alkaline battery. According to the alkaline battery, through arranging a sealed exhausting unit with elastic sheets, heat can automatically burst through the elastic sheets to be discharged to the outside when the heat generated by the battery is accumulated to a certain extent, and the elastic sheets are reset after the heat is discharged completely, so that the heat dissipation of the battery is guaranteed, and leakage can be effectively prevented; an isolating membrane is made from ultrafine fiber diaphragm paper, so that the performance of the battery can be improved, and the cost can be reduced; through arranging a branched current collector, the area of contact between the branched current collector and a battery negative reaction layer can be effectively increased, and the collection of current is facilitated; a first end of the branched current collector penetrates out of a negative pole end cover, and a groove is formed in a top cover of the branched current collector, so that a matched tool can be inserted into the groove; the branched current collector can be subjected to certain rotation through rotating the groove, thus the utilization ratio of the battery can be increased to some extent.
Description
Technical field
The utility model relates to field of batteries, relates in particular to a kind of alkaline battery.
Background technology
In the use procedure of alkaline battery, the excess Temperature of battery or overdischarge meeting produce gas at inside battery, cause interior pressure to increase, and battery distortion is even blasted.For the use safety problem of battery, heat can be discharged by the pore in negative cover.But heat is too much, discharge and also have limitation by pore, in alkaline battery, conventionally can be provided with blast resistance construction.More conventional blast resistance construction is that weaker rupture pressure disc is set on sealing ring at present, can rupture to emit unnecessary gas in the time that pressure is excessive.The shortcoming of this structure is the leakage that easily produces solution in battery after rupture pressure disc fracture.
Collector body is the structure that inside battery collects electric current, being generally copper zinc-plated or plating indium directly follows closely, its function is mainly that the electric current of cell active materials generation is collected to form larger electric current and externally exported, therefore collector should fully contact with active material, and increase contact area as far as possible, just can better increase the utilance of battery.
Utility model content
The purpose of this utility model is the deficiency for general alkaline battery, a kind of alkaline battery is provided, by being provided with the sealing exhaust unit of shell fragment, make thermal accumlation that battery produces can automatically wash shell fragment open to a certain extent time and be discharged into outside, and rack up finish after shell fragment reset, both ensured the thermal diffusivity of battery, again effectively leakproof;
By adopting the barrier film being formed by superfine fibre diaphragm paper, can improve the performance of battery and reduce costs.By branched collector body is set, can effectively increase the contact area of itself and battery cathode conversion zone, be conducive to collecting of electric current, by the first end of this branched collector body being passed to described negative pole end cap, and on its top cover, groove is set, can, by the instrument matching is inserted to groove, make described branched collector body carry out certain rotation by rotating groove, can increase to a certain extent the utilance of battery.
The technical solution of the utility model is:
A kind of alkaline battery, comprising:
Battery main body, it comprises shell, barrier film, anodal conversion zone and negative reaction layer, wherein said shell is the barrel-like structure of one end sealing other end opening, described barrier film is the barrel-like structure being made up of superfine fibre diaphragm paper, described barrier film is sheathed on described enclosure, between described shell and described barrier film, be set to anodal conversion zone, described barrier film inside is set to negative reaction layer;
Negative cover, it comprises negative pole end cap and dendritic collector body, and described negative pole end cap is arranged at the opening part of described shell, and the first end of described dendritic collector body is connected with described negative pole end cap, its second end is provided with multiple branched structures, and within inserting described negative reaction layer;
Sealing exhaust unit, it comprises sealing ring, steam vent and the first shell fragment matching with described steam vent, wherein said sealing ring is arranged at the below of described negative pole end cap, and and described negative pole end cap between form certain chamber, described steam vent runs through described sealing ring and is communicated with this chamber and anodal conversion zone, described the first shell fragment is covered in the opening part of described steam vent, one side of the first shell fragment is connected and fixed with described sealing ring, and described dendritic collector body is through described sealing ring closely connection with it.
Preferably, in described alkaline battery, the first end of described dendritic collector body is through described negative pole end cap, and the top of the first end of this dendritic collector body is coated with the top cover consistent with described negative pole end cover material.
Preferably, in described alkaline battery, be covered on the top cover at described dendritic collector body first end top and be provided with groove.
Preferably, in described alkaline battery, described top cover edge and described negative pole end cap junction are by sealant sealing.
Preferably, in described alkaline battery, the multiple branched structure of the second end of described dendritic collector body is staggered mutually at an angle.
Preferably, in described alkaline battery, described sealing exhaust unit is also provided with the second shell fragment, and described the second shell fragment is arranged at described negative pole end and covers the position corresponding with cavity under negative pole end cap, and one side of described the second shell fragment is fixedly connected with described negative pole end cap.
Preferably, in described alkaline battery, the quantity of described steam vent, the first shell fragment and the second shell fragment is at least more than one.
The utlity model has following beneficial effect: by being provided with the sealing exhaust unit of shell fragment, make thermal accumlation that battery produces can automatically wash shell fragment open to a certain extent time and be discharged into outside, and rack up complete rear shell fragment reset, both ensured the thermal diffusivity of battery, effectively leakproof again; By branched collector body is set, can effectively increase the contact area of itself and battery cathode conversion zone, be conducive to collecting of electric current, by the first end of this branched collector body being passed to described negative pole end cap, and on its top cover, groove is set, can make described branched collector body carry out certain rotation by the instrument of coupling is inserted to groove, can increase to a certain extent the utilance of battery.
Brief description of the drawings
Fig. 1 is the structural representation of alkaline battery described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated, after making those of ordinary skill in the art consult this specification, can implement according to this.
As shown in Figure 1, a kind of alkaline battery, comprising:
Battery main body, it comprises shell 1, barrier film 2, anodal conversion zone 3 and negative reaction layer 4, wherein said shell 1 is the barrel-like structure of one end sealing other end opening, the barrel-like structure of described barrier film 2 for being formed by superfine fibre diaphragm paper, described barrier film 2 is sheathed on described shell 1 inside, between described shell 1 and described barrier film 2, be set to anodal conversion zone 3, described barrier film 2 inside are set to negative reaction layer 4; Battery isolating film is part very crucial in battery, fail safe on battery and cost have direct impact, its Main Function is the positive and negative electrode of isolation battery, electronics in it can not be passed freely through, ion can freely be passed through, and the ionic conduction ability of battery isolating film is directly connected to the overall performance of battery.In the utility model, adopt superfine fibre diaphragm paper as the barrier film 2 in battery, not only can reduce costs, and there is better security performance.
Negative cover, it comprises negative pole end cap 5 and dendritic collector body 6, and described negative pole end cap 5 is arranged at the opening part of described shell 1, and the first end of described dendritic collector body 6 is connected with described negative pole end cap 5, its second end is provided with multiple branched structures, and within inserting described negative reaction layer 4; There is the dendritic collector body 6 of multiple branched structures by setting, can increase the contact area of itself and described negative reaction layer 4 interior active material, be conducive to the external output of electric current.
Sealing exhaust unit, it comprises sealing ring 7, steam vent 8 and the first shell fragment 9 matching with described steam vent 8, wherein said sealing ring 7 is arranged at the below of described negative pole end cap 5, and and described negative pole end cap 5 between form certain chamber, described steam vent 8 runs through described sealing ring 7 and is communicated with this chamber and anodal conversion zone 3, described the first shell fragment 9 is covered in the opening part of described steam vent 8, one side of the first shell fragment 9 is connected and fixed with described sealing ring 7, and described dendritic collector body 6 is through described sealing ring 7 closely connection with it.During using, battery can produce certain heat, if heat discharges not in time, run up to a certain degree and easily blast, the utility model is by arranging sealing exhaust unit, when the heat that makes to produce in battery reaches certain threshold values, automatically wash described the first shell fragment 9 open, hot gas is released in the chamber under negative pole end cap 5, the first shell fragment 9 is closed simultaneously, if hot gas is more, when the hot gas accumulating in this chamber reaches certain threshold values, described the second shell fragment 12 is washed open, unnecessary hot gas is discharged into outside batteries, well ensure the heat sinking function of battery, simultaneously because of the first shell fragment 9 described in dissipation of heat process, the cooperation of the second shell fragment 12, and the cushioning effect of chamber, can avoid the leakage of inside battery material.
In described alkaline battery, the first end of described dendritic collector body 6 is through described negative pole end cap 5, and the top of the first end of this dendritic collector body 6 is coated with the top cover 10 consistent with described negative pole end cap 5 materials.
In described alkaline battery, be covered on the top cover 10 at described dendritic collector body 6 first end tops and be provided with groove 11.
In described alkaline battery, described top cover 10 edges and described negative pole end cap 5 junctions are by sealant sealing.The multiple branched structure of the second end of described dendritic collector body 6 is staggered mutually at an angle.The instrument matching with groove 11 can be inserted in groove 11, it be rotated, thereby make to carry out certain rotation in the active material of described dendritic collector body 6 in described negative reaction layer 4, can collect remaining electric current in it, increase the utilance of battery.
In described alkaline battery, described sealing exhaust unit is also provided with the second shell fragment 12, described the second shell fragment 12 is arranged on described negative pole end cap 5 position corresponding with cavity under negative pole end cap 5, and one side of described the second shell fragment 12 is fixedly connected with described negative pole end cap 5.
In described alkaline battery, the quantity of described steam vent 8, the first shell fragment 9 and the second shell fragment 12 is at least more than one.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and execution mode, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (7)
1. an alkaline battery, is characterized in that, comprising:
Battery main body, it comprises shell, barrier film, anodal conversion zone and negative reaction layer, wherein said shell is the barrel-like structure of one end sealing other end opening, described barrier film is the barrel-like structure being made up of superfine fibre diaphragm paper, described barrier film is sheathed on described enclosure, between described shell and described barrier film, be set to anodal conversion zone, described barrier film inside is set to negative reaction layer;
Negative cover, it comprises negative pole end cap and dendritic collector body, and described negative pole end cap is arranged at the opening part of described shell, and the first end of described dendritic collector body is connected with described negative pole end cap, its second end is provided with multiple branched structures, and within inserting described negative reaction layer;
Sealing exhaust unit, it comprises sealing ring, steam vent and the first shell fragment matching with described steam vent, wherein said sealing ring is arranged at the below of described negative pole end cap, and and described negative pole end cap between form certain chamber, described steam vent runs through described sealing ring and is communicated with this chamber and anodal conversion zone, described the first shell fragment is covered in the opening part of described steam vent, one side of the first shell fragment is connected and fixed with described sealing ring, and described dendritic collector body is through described sealing ring closely connection with it.
2. alkaline battery as claimed in claim 1, is characterized in that, the first end of described dendritic collector body is through described negative pole end cap, and the top of the first end of this dendritic collector body is coated with the top cover consistent with described negative pole end cover material.
3. alkaline battery as claimed in claim 2, is characterized in that, is covered on the top cover at described dendritic collector body first end top and is provided with groove.
4. alkaline battery as claimed in claim 3, is characterized in that, described top cover edge and described negative pole end cap junction are by sealant sealing.
5. alkaline battery as claimed in claim 4, is characterized in that, the multiple branched structure of the second end of described dendritic collector body is staggered mutually at an angle.
6. alkaline battery as claimed in claim 1, it is characterized in that, described sealing exhaust unit is also provided with the second shell fragment, and described the second shell fragment is arranged at described negative pole end and covers the position corresponding with cavity under negative pole end cap, and one side of described the second shell fragment is fixedly connected with described negative pole end cap.
7. alkaline battery as claimed in claim 6, is characterized in that, the quantity of described steam vent, the first shell fragment and the second shell fragment is at least more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148248.8U CN203760548U (en) | 2014-03-28 | 2014-03-28 | Alkaline battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148248.8U CN203760548U (en) | 2014-03-28 | 2014-03-28 | Alkaline battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760548U true CN203760548U (en) | 2014-08-06 |
Family
ID=51255787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148248.8U Expired - Fee Related CN203760548U (en) | 2014-03-28 | 2014-03-28 | Alkaline battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953130A (en) * | 2015-06-16 | 2015-09-30 | 华太电池（天津）有限公司 | Alkaline battery |
| CN111584769A (en) * | 2020-04-07 | 2020-08-25 | 河南创达电子科技有限公司 | Cylindrical lithium-thionyl chloride bilateral membrane battery |
-
2014
- 2014-03-28 CN CN201420148248.8U patent/CN203760548U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953130A (en) * | 2015-06-16 | 2015-09-30 | 华太电池（天津）有限公司 | Alkaline battery |
| CN111584769A (en) * | 2020-04-07 | 2020-08-25 | 河南创达电子科技有限公司 | Cylindrical lithium-thionyl chloride bilateral membrane battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20190328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |