CN202183441U - Alkaline manganese battery and positive pole steel shell thereof - Google Patents
Alkaline manganese battery and positive pole steel shell thereof Download PDFInfo
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- CN202183441U CN202183441U CN 201120270432 CN201120270432U CN202183441U CN 202183441 U CN202183441 U CN 202183441U CN 201120270432 CN201120270432 CN 201120270432 CN 201120270432 U CN201120270432 U CN 201120270432U CN 202183441 U CN202183441 U CN 202183441U
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Abstract
The utility model discloses a positive pole steel shell and an alkaline manganese battery adopting same. The positive pole steel shell consists of a positive pole head part, a housing body and a flaring part; the positive pole head part comprises a base plate and a boss arranged in the center of the base plate; a stepped reinforcing ring from the base plate to the boss is arranged between the base plate and the boss; the wall thickness of the positive hole head part t is equal to 0.25 to 0.28mm; the stepped section difference of the stepped reinforcing ring d is equal to 0.2 to 0.5mm; the housing body consists of a thickness reducing section and a thickness maintaining section; the thickness reducing section is connected with the housing body; the thickness maintaining section is connected with the flaring part; the distance L1 from the end face connecting the thickness maintaining section and the thickness reducing section to that of the flaring part is equal to 4 to 6.5mm; the wall thickness of the thickness reducing section t1 is equal to 0.145 to 0.195mm; and the wall thickness of the thickness maintaining section t2 is equal to 0.25 to 0.29mm. The alkaline manganese battery adopting the positive pole steel shell comprises a closed inner cavity which is formed by connecting the prefabricated positive pole steel shell and a negative pole body, and electrolyte is filled in the inner cavity. When the positive pole steel shell is applied to the alkaline manganese battery, the safe anti-explosion property and the liquid leakage prevention property of the battery can be improved, and the discharging performance of the battery is simultaneously improved.
Description
Technical field
The utility model relates to a kind of alkaline Mn cell and anodal box hat thereof, especially a kind of anodal box hat that is used for alkaline Mn cell.
Background technology
Alkaline Mn cell comprises the inner chamber of the sealing that is interconnected to form by prefabricated anodal box hat and negative pole body, is filled with electrolyte in the inner chamber.The anodal box hat of alkaline Mn cell is made up of anodal head, stack shell, expansion mouth, and the expansion mouth internal diameter is greater than barrel diameter, and expansion mouth is made up of first flared section and second flared section, and wherein second flared section is connected with stack shell.Alkaline Mn cell for same specification; The external diameter of its product confirms that then the wall thickness of the anodal box hat of its use is thick more, and then its internal diameter is more little; It is just more little that its inside is used to fill the space of electrolyte, but the thick more anti-explosive safety performance that then helps battery more of wall thickness.
At present; The employed anodal box hat of common alkaline Mn cell is for waiting thickness steel casing, and promptly stack shell and the wall thickness of expansion mouth of box hat except that anodal head is uniform, is 0.20mm; The wall thickness of anodal head is 0.25mm; Anodal head is " protruding " font, comprises the boss of substrate and substrate center, and wherein the boss position is anodal.The existing defective of the alkaline Mn cell of this kind structure is: in the process of processing battery, anodal box hat deforms because of the external force effect, and anodal head is prone to inside collapse phenomenon; Anodal box hat is commonly 0.20mm thickness, though guaranteed intensity and fail safe, has restricted the dischargeable capacity space of battery.
The utility model content
In order to overcome the still less deficiency in existing alkaline Mn cell inner chamber dischargeable capacity space; The utility model technical problem to be solved provides a kind of anodal box hat and adopts the alkaline Mn cell of this positive pole box hat; The use of this positive pole box hat can improve the alkaline Mn cell discharge performance, guarantees that simultaneously battery anti-explosion explodes security performance.
The utility model solves the technical scheme that its technical problem adopted: anodal box hat; Form by anodal head, stack shell, expansion mouth; Said anodal head comprises substrate and the boss that is arranged on substrate center; Be provided with by the staged enhanced electronic of substrate the wall thickness t=0.25～0.28mm of anodal head, the ladder section difference d=0.2～0.5mm of staged enhanced electronic between substrate and the boss to boss.
Said stack shell by subtract thick section with protect thick section and form; Subtracting thick section is connected with stack shell; Protecting thick section is connected with expansion mouth; Thick section of said guarantor and subtract the distance L 1=4～6.5mm between thick section end face that joins and the expansion mouth end face subtracts wall thickness t1=0.145～0.195mm of thick section, protects wall thickness t2=0.25～0.29mm of thick section.
Said expansion mouth is made up of first flared section and second flared section, and wherein second flared section is connected for thick section with the guarantor of stack shell, the wall thickness t3=0.25～0.27mm of second flared section, the wall thickness t4=0.25～0.28mm of first flared section.
The length L 3=3 of said expansion mouth～4mm, wherein the length L 2=2 of first flared section～3mm.
The alkaline Mn cell of the above-mentioned anodal box hat of employing of the utility model comprises the inner chamber of the sealing that is interconnected to form by prefabricated said anodal box hat and negative pole body being filled with electrolyte in the inner chamber.
The beneficial effect of the utility model is: improved the support and the crimping position intensity of anodal box hat, the safety anti-explosive of battery is fried can be improved with leakproof, can increase the loading of battery electrolyte simultaneously, improves cell discharge performance.
Description of drawings
Fig. 1 is the front view of the anodal box hat of the utility model.
Fig. 2 is the sketch map of the alkaline Mn cell of the utility model.
Fig. 3 is the partial enlarged drawing of F portion among Fig. 1.
Fig. 4 is the partial enlarged drawing of G portion among Fig. 1.
Be labeled as the anodal head of 1-, 2-stack shell, 3-expansion mouth, 4-negative pole body, 5-inner chamber among the figure; The anodal box hat of 6-, the 7-line-marking part, the 11-substrate, the 12-boss, 13-staged enhanced electronic, 21-subtracts thick section; 22-protects thick section, 30-expansion mouth end face, 31-first flared section, 32-second flared section, 220-end face; The thickness of t-staged enhanced electronic, the d-ladder is differential, and t1-subtracts thick section wall thickness, and t2-protects thick section wall thickness, the wall thickness of t3-second flared section; The wall thickness of t4-first flared section, the total length of thick section of L1-guarantor and expansion mouth, the length of L2-first flared section, the length of L3-expansion mouth, the anodal box hat closure part of A-.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Like Fig. 1, Fig. 3 and shown in Figure 4; The anodal box hat of the utility model is made up of anodal head 1, stack shell 2, expansion mouth 3; Said anodal head 1 comprises substrate 11 and the boss 12 that is arranged on substrate 11 centers; Be provided with by the staged enhanced electronic 13 of substrate 11 the wall thickness t=0.25～0.28mm of anodal head 1, the ladder section difference d=0.2～0.5mm of staged enhanced electronic 13 between substrate 11 and the boss 12 to boss 12.Staged enhanced electronic 13 has increased the local strength of anodal head 1; Can avoid in cell processing course; Anodal head 1 inwardly subsides because of the external force effect deforms, and avoids this type to subside to the influence of electrolyte dischargeable capacity, simultaneously; Owing to staged enhanced electronic 13 structures have been arranged, have kept having increased the electrolyte dischargeable capacity under the constant situation of battery height overall.
Like Fig. 1, Fig. 3 and shown in Figure 4; Said stack shell 2 is formed for thick section 22 with protecting by subtracting thick section 21; Subtract thick section 21 and be connected, protect thick section 22 and be connected with expansion mouth 3 with stack shell 2, thick section 22 of said guarantor and subtract thick section 21 end face that joins 220 and expansion mouth end face 30 between distance L 1=4～6.5mm; Line-marking part 7 to guarantee alkaline Mn cell when assembling has enough support strengths; Guarantee the leakproof ability of battery, subtract wall thickness t1=0.145～0.195mm of thick section 21, protect wall thickness t2=0.25～0.29mm of thick section 22.For the stack shell wall thickness of existing all thick formula box hat 0.25mm, owing to the wall thickness t1 that subtracts thick section 21 reduces, increase at the internal diameter that keeps battery under the constant situation of battery external diameter, increased the electrolyte dischargeable capacity effectively; In addition, the wall thickness t2 that protects thick section 22 keeps being no less than 0.25mm or slightly thickening.
Like Fig. 1, Fig. 3 and shown in Figure 4; Said expansion mouth 3 is made up of first flared section 31 and second flared section 32; Wherein second flared section 32 is connected for thick section 22 with the guarantor of stack shell 2, the wall thickness t3=0.25～0.27mm of second flared section 32, the wall thickness t4=0.25～0.28mm of first flared section 31; Promptly to the wall thickness of expansion mouth 3 also suitably thickening or remain 0.25mm at least; Line-marking part 7 to guarantee alkaline Mn cell when assembling is positioned at expansion mouth 3 and has enough support strengths, guarantee battery leakproof can because the subtracting thick section 21 and increased the electrolyte dischargeable capacity effectively of stack shell 2; Therefore even the wall thickness of expansion mouth 3 slightly strengthens, total the dischargeable capacity of battery with respect to existing use all the battery of thick anodal shell also remain increase.
The value of wall thickness t1, t2, t3, t4 can be decided according to corresponding specification battery seal intensity needs, thereby the battery of the utility model has controlled sealing-strength value, can when improving the power of battery and performance, satisfy the security performance requirement
Like Fig. 1, Fig. 3 and shown in Figure 4; Similar with the existing battery of equal thick anodal shells that uses, the length L 3=3 of said expansion mouth 3～4mm, the line-marking part when guaranteeing the alkaline Mn cell assembling is in expansion mouth 3; The length L 2=2 of first flared section 31～3mm wherein; But because wall thickness t2, t3, the t4 of the utility model all can slightly increase, can crimping sealing-strength value be improved about 20%, the fried ability of battery anti-explosion is reliably improved.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the alkaline Mn cell of the above-mentioned anodal box hat of employing of the utility model comprises the inner chamber 5 of the sealing that is interconnected to form by prefabricated said anodal box hat 6 and negative pole body 4 being filled with electrolyte in the inner chamber 5.Adopt said anodal box hat 6 to increase the electrolyte dischargeable capacity effectively, owing to all suitably increase wall thickness thick section 22 of guarantor of stack shell 2 and expansion mouth 3, the crimping sealing-strength value of battery improves simultaneously, and the fried ability of battery anti-explosion is reliably improved.
Embodiment:
Be instance with LR6 alkaline battery box hat below, the utility model is described further.
1, the anodal box hat of preparation the utility model
Like Fig. 1, Fig. 3 and shown in Figure 4, parameter according to the form below 1 value of said anodal box hat 6.
Table 1 (unit: mm)
| Project | L1 | t1 | t2 | L2 | t4 | L3- | t3 |
| Parameter | |||||||
| 5 | 0.155 | 0.25 | 2 | 0.28 | 1.5 | 0.265 |
This box hat adopts the nickel preplating steel band, in conjunction with precise forming mold, through 6 ironing moulding.The wall thickness t=0.265mm of its anodal head 1, anodal head 1 is provided with staged enhanced electronic 13, the ladder section difference d=0.2mm of staged enhanced electronic 13, the battery shoulder height increases; Stack shell 2 subtracts thick section 21 wall thickness t1=0.155mm by subtracting thick section 21 and protecting thick section 22 and forms, and then the internal diameter change of this section from highly and two aspects of diameter, has all increased the dischargeable capacity space of electrolyte greatly during final molding.Battery crimping sealing-strength is improved.The wall thickness of expansion mouth 3 thickens, and wherein the wall thickness t4 of first expansion mouth 31 has reached 0.28mm, and the wall thickness t3 of second expansion mouth 32 has reached 0.265mm, all increases to some extent than traditional 0.20mm, has improved sealing-strength.Be referred to as " the non-thickness steel casing that waits " below the anodal box hat of the utility model.
Prepare non-when waiting thickness steel casing, its main structure parameters such as following table 2.
Table 2 (unit: mm)
| Project | Height overall | Shoulder height | External diameter | Internal diameter | Section is poor | Expansion mouth |
| Parameter | 50.5 | 48.7 | 13.9 | 13.59 | 0.2 | 13.7 |
Prepare non-ly when waiting thickness steel casing, its moulding process is following:
Calculate material usage (comprising process allowance);
Confirm extensibility, the calculation process physical dimension;
Design process figure calculates each procedure technology surplus;
Confirm mould structure, comprise the moulding section structure, carry out mold materials and heat treatment, surface treatment selection;
Mould development, structure debugging, test;
Mould shape is produced in batches.
2, preparation alkaline Mn cell
As shown in Figure 2, adopt the non-thickness steel casing of Denging, the preparation battery.Each structural parameters such as following table 3.
Table 3 (unit: mm)
| Project | The multiple pressure | Groove | The crimping opening | Seal | Height overall | Shoulder height |
| Parameter | 6.7 | 13.4 | 11 | 13.8 | 50.05 | 47.7 |
Adopt the said non-sealing-strength of the alkaline Mn cell of thickness steel casing preparation that waits to compare with the sealing-strength of the alkaline Mn cell of existing structure, improve more than 20%, comparative result is seen table 4, and battery leakproof ability and explosion-proof performance are improved significantly.
Non-thickness steel casing, the common box hat actual measurement crimping intensity level P (Kg/cm of waiting of table 4
2)
3, the alkaline Mn cell to preparation carries out the security performance evaluation
1. the battery leakproof can be seen table 5.
Table 5 battery leakproof can be tested (time that the beginning leakage takes place)
| Sequence number | Test condition | Common box hat A | Common box hat B | The non-thickness steel casing that waits |
| 1 | Hot and humid | 45 days | 50 days | 75 days |
| 2 | 71 ℃ of high temperature | 35 days | 40 days | 55 days |
| 3 | 91 ℃ of high temperature | 14 days | 14 days | 18 days |
2. table 6 is seen in the explosion-proof performance test.
Table 6 battery anti-explosion explodes performance test (but not having blast in the guarantee test time)
| Sequence number | Test condition | Common box hat A | Common box hat B | The non-thickness steel casing that waits |
| 1 | Three positive one is anti- | There is not blast | There is not blast | There is not blast |
| 2 | The normal temperature short circuit | 24h does not have blast | There was not blast in 7 days | There was not blast in 14 days |
| 3 | The high temperature short circuit | 24h has blast | Blast was arranged in 5 days | There was not blast in 14 days |
4, table 7 is seen in the discharge capacity of the cell test.
Table 7 discharge capacity of the cell (cut-ff voltage 0.9V)
| Test event | Common box hat A | Common box hat B | The non-thickness steel casing that waits |
| 3.9Ω，24h/d | ?5.8h | ?5.9h | 6.1h |
| 10Ω，24h/d | ?18.5h | ?18.6h | 19h |
| 43Ω，4h/d | ?84.5 | ?86 | 90h |
| 1000mA，10s/m，1h/d | ?42min | ?44min | 48min |
Above test result shows, adopts not only its discharge performance raising of alkaline Mn cell of the anodal box hat preparation of the utility model, and its security performance also is improved simultaneously.
Claims (7)
1. anodal box hat; Form by anodal head (1), stack shell (2), expansion mouth (3); It is characterized in that: said anodal head (1) comprises substrate (11) and is arranged on the boss (12) at substrate (11) center; Be provided with by the staged enhanced electronic (13) of substrate (11) the wall thickness t=0.25～0.28mm of anodal head (1), the ladder section difference d=0.2～0.5mm of staged enhanced electronic (13) between substrate (11) and the boss (12) to boss (12).
2. anodal box hat as claimed in claim 1; It is characterized in that: said stack shell (2) is by subtracting thick section (21) and protecting thick section (22) and form; Subtract thick section (21) and be connected, protect thick section (22) and be connected, said guarantor thick section (22) and subtract end face (220) that thick section (21) join and the distance L 1=4～6.5mm between the expansion mouth end face (30) with expansion mouth (3) with stack shell (2); Subtract the wall thickness t1=0.145～0.195mm of thick section (21), protect the wall thickness t2=0.25～0.29mm of thick section (22).
3. according to claim 1 or claim 2 anodal box hat; It is characterized in that: said expansion mouth (3) is made up of first flared section (31) and second flared section (32); Wherein second flared section (32) is connected with the guarantor thick section (22) of stack shell (2); Wall thickness t3=0.25～the 0.27mm of second flared section (32), the wall thickness t4=0.25～0.28mm of first flared section (31).
4. anodal box hat as claimed in claim 3 is characterized in that: the length L 3=3～4mm of said expansion mouth (3), wherein the length L 2=2～3mm of first flared section (31).
5. adopt the alkaline Mn cell of claim 1 or 2 said anodal box hats, it is characterized in that: comprise the inner chamber (5) of the sealing that is interconnected to form by prefabricated said anodal box hat (6) and negative pole body (4), inner chamber is filled with electrolyte in (5).
6. adopt the alkaline Mn cell of the said anodal box hat of claim 3, it is characterized in that: comprise the inner chamber (5) of the sealing that is interconnected to form by prefabricated said anodal box hat (6) and negative pole body (4), inner chamber is filled with electrolyte in (5).
7. adopt the alkaline Mn cell of the said anodal box hat of claim 4, it is characterized in that: comprise the inner chamber (5) of the sealing that is interconnected to form by prefabricated said anodal box hat (6) and negative pole body (4), inner chamber is filled with electrolyte in (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120270432 CN202183441U (en) | 2011-07-28 | 2011-07-28 | Alkaline manganese battery and positive pole steel shell thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120270432 CN202183441U (en) | 2011-07-28 | 2011-07-28 | Alkaline manganese battery and positive pole steel shell thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202183441U true CN202183441U (en) | 2012-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120270432 Expired - Lifetime CN202183441U (en) | 2011-07-28 | 2011-07-28 | Alkaline manganese battery and positive pole steel shell thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311464A (en) * | 2013-06-28 | 2013-09-18 | 宁波光华电池有限公司 | Steel shell of alkaline zinc-manganese battery |
| CN108666456A (en) * | 2018-06-29 | 2018-10-16 | 无锡金杨丸伊电子有限公司 | A kind of flaring battery case becoming wall thickness |
| CN112421066A (en) * | 2020-11-18 | 2021-02-26 | 常州市江南电池有限公司 | Production process of environment-friendly alkaline battery |
-
2011
- 2011-07-28 CN CN 201120270432 patent/CN202183441U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311464A (en) * | 2013-06-28 | 2013-09-18 | 宁波光华电池有限公司 | Steel shell of alkaline zinc-manganese battery |
| CN108666456A (en) * | 2018-06-29 | 2018-10-16 | 无锡金杨丸伊电子有限公司 | A kind of flaring battery case becoming wall thickness |
| CN112421066A (en) * | 2020-11-18 | 2021-02-26 | 常州市江南电池有限公司 | Production process of environment-friendly alkaline battery |
| CN112421066B (en) * | 2020-11-18 | 2023-08-15 | 常州市江南电池有限公司 | Environment-friendly alkaline battery production process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 621000 Mianyang province high tech Zone, East Hing Road, No. 35 cotton Patentee after: SICHUAN CHANGHONG NEW ENERGY TECHNOLOGY CO., LTD. Address before: 621000 Mianyang province high tech Zone, East Hing Road, No. 35 cotton Patentee before: Sichuan Changhong NewEnergy Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |