CN201408790Y - Sealing ring of alkaline-manganese battery - Google Patents
Sealing ring of alkaline-manganese battery Download PDFInfo
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- CN201408790Y CN201408790Y CN2009203021555U CN200920302155U CN201408790Y CN 201408790 Y CN201408790 Y CN 201408790Y CN 2009203021555 U CN2009203021555 U CN 2009203021555U CN 200920302155 U CN200920302155 U CN 200920302155U CN 201408790 Y CN201408790 Y CN 201408790Y
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- alkaline
- seal
- load portion
- explosion
- ring
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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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Abstract
The utility model discloses a sealing ring of an alkaline-manganese battery, which has better explosion-protection performance. The sealing ring of the alkaline-manganese battery comprises a seal periphery part, a seal matching part and a bearing part connecting the seal periphery part and the seal matching part, wherein an anti-explosion film is arranged between the seal matching part and the bearing part, an air outlet ring is arranged on the outer side of the anti-explosion film, an annular reinforced rib is arranged at the joint of the bearing part and the seal periphery part, 3 to 5 convex ribs are uniformly distributed on the bearing part, the convex ribs are arranged along the radial direction of the sealing ring body, and one end of each convex rib is arranged on the annular reinforced rib while the other end thereof is suspended on the outer side of the air outlet ring. The anti-explosion film and the bearing part adopt inclined plane transition, and the transitional inclinedplane and the bearing part have an included angle of 15 to 30 degrees. The sealing ring has further improved explosion-protection performance and leakage resistance, thereby being applicable to alkaline-manganese batteries.
Description
Technical field
The utility model relates to a kind of alkaline Mn cell, the employed seal mouth ring of especially a kind of alkaline Mn cell.
Background technology
At present, alkaline Mn cell mainly by D/T housing, electrically-conducting paint, anodal body, isolated tube, negative zinc cream, electrolyte, seal body etc. and form.Seal body by be provided with negative pole bottom, the current collection pin of escaping channeling, metallic support body, the seal mouth ring that is provided with escape hole formed.Be combined into the current collection body by the high temperature welding between negative pole bottom and the current collection pin, prevent that by the employing technology that closely cooperates newel from climbing alkali or leakage between current collection body and the seal mouth ring centre bore.Seal mouth ring directly influences the sealing property of battery.
Alkaline Mn cell seal mouth ring material is generally PA66, and is because of PA66 has high mechanical strength, heat-resisting, acidproof, alkaline-resisting, electrical insulating property is good, self-extinguishment is arranged, nontoxic, odorless, good weatherability, PA66 also has high hygroscopic property, suction helps filling up the space between battery seal ring and the housing from rising in alkaline Mn cell, improves and seals the leakproof energy.Existing seal mouth ring generally adopts the PA66 material through the injection moulding of 3 cast processes, its structure is formed and is comprised and seal periphery, offer the portion that is sealed and matched that centre bore and this centre bore and current collection pin are sealed and matched, and periphery is sealed in connection and the load portion of the portion that is sealed and matched, being sealed and matched is provided with rupture pressure disc between portion and the load portion, and rupture pressure disc is provided with escapes compression ring.Under the normal condition, when cell internal pressure reached burst pressure, the rupture pressure disc action was escaped compression ring and is communicated with the escape hole of " metallic support body ", the channeling of escaping of negative pole bottom, and exhaust is blasted to prevent battery rapidly.But because PA66 intensity under hot and humid condition reduces, " indent " distortion can take place in load portion once in a while, is affixed to the surface of metallic support body, thereby stops up escape hole, causes exhaust not smooth, and rupture pressure disc is failure to actuate, and causes battery explosion.
The utility model content
In order to overcome the deficiency of existing seal mouth ring explosion-proof performance, technical problem to be solved in the utility model provides a kind of alkaline Mn cell seal mouth ring with better explosion-proof performance.
The technical scheme that its technical problem that solves the utility model adopts is: the alkaline Mn cell seal mouth ring, comprise seal periphery, portion is sealed and matched, and periphery is sealed in connection and the load portion of the portion that is sealed and matched, be sealed and matched and be provided with rupture pressure disc between portion and the load portion, the rupture pressure disc outside is for escaping compression ring, load portion and seal the periphery junction and be provided with annular reinforcing steel.
Be evenly equipped with 3～5 convex tendons in the described load portion, convex tendon is along seal mouth ring body radial arrangement, and an end of convex tendon is on annular reinforcing steel, and the other end of convex tendon is suspended from escapes the compression ring outside.
Chamfered transition between rupture pressure disc and the load portion has 15 °～30 ° angle between this transition inclined-plane and the load portion.
The beneficial effects of the utility model are: seal between periphery and the load portion and be provided with belt reinforcing steel, improve its mechanical performance, be evenly equipped with 3～5 convex tendons in the load portion, convex tendon is along seal mouth ring body radial arrangement, convex tendon one end is on annular reinforcing steel, the other end is escaped the compression ring outside being suspended from, under pressure, load portion " indent " distortion changes torsional deflection into, when improving intensity, rupture pressure disc is explosion at short notice, and gas can be by escaping compression ring, escape air drain, the escape hole of metallic support body, the negative pole bottom escape the rapid exhaust of channeling, improve battery safety; Simultaneously, because of intensity improves, leakproof can also be greatly improved; The utility model seal mouth ring can adopt the injection moulding of single-point pouring technology method, and the running channel material saves 2/3 than former seal mouth ring, and stock utilization improves 10%.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the enlarged diagram of K portion among Fig. 1.
Be labeled as among the figure, 1-seals periphery, 2-load portion, the 3-portion that is sealed and matched, 4-rupture pressure disc, 5-annular reinforcing steel, the 6-convex tendon, 7-escapes air drain, and 8-escapes compression ring, 9-transition inclined-plane, H1-seals the height of flange of periphery, H2-seal mouth ring body draw spatial altitude, H3-rupture pressure disc thickness, F-inner pressure of battery forced direction, the angle between a-transition inclined-plane and the load portion stress surface.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2 and shown in Figure 3, alkaline Mn cell seal mouth ring of the present utility model, comprise seal periphery 1, portion 3 is sealed and matched, and the load portion 2 of the periphery 1 and the portion 3 that is sealed and matched is sealed in connection, be sealed and matched and be provided with rupture pressure disc 4 between portion 3 and the load portion 2, the exhaust space that compression ring 8 is annular groove shapes is escaped for escaping compression ring 8 in rupture pressure disc 4 outsides, load portion 2 with seal periphery 1 junction and be provided with annular reinforcing steel 5.Because PA66 material its extensibility under hot and humid condition improves, intensity reduces, therefore seal and be provided with the reinforcing steel 5 that goes in ring between periphery 1 and the load portion 2, to improve its mechanical performance, thereby reduce the distortion of load portion 2 to the metallic support body, reduce the possibility of stopping up escape hole, improved the security performance of battery, because intensity improves its leakproof and can also be improved.
As shown in Figure 2, be evenly equipped with 3～5 convex tendons 6 in the described load portion 2, convex tendon 6 is along seal mouth ring body radial arrangement, one end of convex tendon 6 is on annular reinforcing steel 5, the other end of convex tendon 6 is suspended from escapes compression ring 8 outsides, in effective exhaust space scope, escape compression ring 8 and be divided into 3～5 fan-shaped compression rings of escaping by convex tendon 6, and in load portion 2, form 3～5 fan-shaped air drains 7 of escaping, escape compression ring 8 and escape the effect that air drain 7 has played abundant exhaust, and making load portion 2 is fulcrum with the reinforcing steel 5 that goes in ring under the stress state that stretched, with convex tendon 6 is that lever rotates, avoid the 2 pure extension distortion of load portion and produce the strain displacement that draws spatial altitude H2 that surpasses the seal mouth ring body, thereby allow rupture pressure disc 4 effective opening actions, fully play safety effect.
Chamfered transition between rupture pressure disc 4 and the load portion 2,15 °～30 ° angle a is arranged between this transition inclined-plane 9 and the load portion 2, because PA66 has very high toughness and high elongation rate under 5～9% high water absorbing capacity situations, the rupture pressure disc 4 of this chamfered transition under the internal pressure effect except that stretcher strain, be out of shape by the effect of shearing force, overcome the plastic flowing distortion under the pure extension stress, under identical internal pressure effect, the displacement of the pressure-bearing surface of this load portion 2 is than the plastic flowing deformation displacement amount under the pure extension stress low 30～40%, the safe smooth opening of rupture pressure disc 4 energy effectively plays the safety anti-explosive effect.
In addition, seal mouth ring of the present utility model can adopt the injection moulding of single-point pouring technology method, and the running channel material saves 2/3 than existing processing mode, and stock utilization improves 10%.
Embodiment:
A kind of alkaline Mn cell seal mouth ring, comprise and seal periphery 1, portion 3 is sealed and matched, load portion 2, seal the height of flange H1 of periphery 1,0.65mm≤H1≤1.05mm, the seal mouth ring body draw spatial altitude H2,1.35≤H2≤1.85, seal and be provided with the reinforcing steel 5 that goes in ring between periphery 1 and the load portion 2, be evenly equipped with 3 convex tendons 6 in the load portion 2, convex tendon 6 is along the radial arrangement of seal mouth ring body, and an end of convex tendon 6 is on rupture pressure disc 4, the other end of convex tendon 6 is on annular reinforcing steel 5, being sealed and matched is provided with rupture pressure disc 4 between portion 3 and the load portion 2, and the thickness of rupture pressure disc 4 is H3,0.15mm≤H3≤0.28mm.Chamfered transition between rupture pressure disc 4 and the load portion 2, the angle between the transition inclined-plane 9 load portions 2 is a, 15 °≤a≤30 °.
By the 3D stress analysis, the water absorption rate of seal mouth ring is η, and when η≤4%, its burst pressure P is 70＜P≤90Kg/cm
2When η 〉=5%, its burst pressure is P≤70Kg/cm
2Maximum stress 2.65934 * 108N/m
2, yield stress is 1.0365 * 108N/m
2, maximum stress mainly concentrates on the whole anchor ring of rupture pressure disc 4, rupture pressure disc 4 explosion reliable in action; When producing maximum stress, maximum displacement is 0.180026mm, and displacement occurs in corresponding on the load-carrying surface of escaping air drain 7, before rupture pressure disc 4 explosions action takes place, and ratio percentage≤10% that draws spatial altitude H2 of maximum displacement and seal mouth ring body.From another angle analysis, before rupture pressure disc 4 explosions action took place, welt can not take place in load portion 2, and internal pressure remains in the safe range, and the internal pressure safe range is 50～80Kg/cm
2
Getting the described battery of embodiment (following simple Experimental cell), experimentize, below is experimental data.
A, get 27 Experimental cells and divide 3 groups to carry out explosion pressure check
Table one is η=3.4% o'clock for the water absorption rate of described seal mouth ring, the explosion pressure statistical value of seal mouth ring load-carrying surface.
Table one unit: Kg/cm
2
| The 1st group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Explosion pressure | 73.7 | 74.2 | 75.1 | 75.3 | 73.4 | 74.8 | 72.1 | 73.1 | 73.8 |
| The 2nd group | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Explosion pressure | 74.4 | 74.0 | 74.9 | 73.9 | 74.7 | 75.0 | 74.9 | 73.5 | 72.9 |
| The 3rd group | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| Explosion pressure | 77.6 | 76.1 | 73.3 | 73.0 | 75.8 | 77.1 | 75.2 | 75.3 | 74.5 |
Table two is η=10% o'clock for the water absorption rate of described seal mouth ring, the explosion pressure statistical value of seal mouth ring load-carrying surface.
Table two unit: Kg/cm
2
| Sequence number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Explosion pressure | 49.7 | 59.1 | 60.9 | 48.6 | 67.7 | 56.3 | 60.0 | 56.4 | 49.8 |
| Sequence number | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Explosion pressure | 50.0 | 53.1 | 56.4 | 49.3 | 57.4 | 49.5 | 60.6 | 49.8 | 60.5 |
| Sequence number | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| Explosion pressure | 59.8 | 59.0 | 49.7 | 49.9 | 57.3 | 60.7 | 49.8 | 61.8 | 59.5 |
B, get 27 Experimental cells and divide 3 groups to carry out electrical characteristics test
| Electrical characteristic | OV(V) | Imp(Ω) | CV(V) | SC(A) |
| The 1st group | 1.631 | 114 | 1.590 | 11.2 |
| The 2nd group | 1.631 | 111 | 1.590 | 11.8 |
| The 3rd group | 1.632 | 107 | 1.593 | 11.8 |
C, security performance
1) getting 27 Experimental cells divides 3 groups to carry out the anti-leakage experiment of overdischarge
Each 9 of the 1st group, the 2nd groups, the 3rd Battery pack are carried out 10 Ω cross and put the anti-leakage experiment of 48h, all do not have the phenomenon of leakage;
Each 9 of the 1st group, the 2nd groups, the 3rd Battery pack are carried out 3.9 Ω cross and put anti-leakage experiment in 15 days, all do not have the phenomenon of leakage.
2) getting 27 Experimental cells divides 3 groups to carry out high low temperature loop test
| Period | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| The 1st group | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| The 2nd group | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| The 3rd group | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
3) external short circuit 24h experiment
A, get 10 groups of Experimental cells (40) and carry out four series connection external short circuit 24h experiment, result: all do not have leakage and blast.
B, get 60 ℃ earlier of 10 groups of Experimental cells (40), RH90% humidification 48h carries out four series connection external short circuit 24h experiment again behind the constant temperature, and the result: idol has leakage, does not all have blast.
4) three positive one anti-experiments:
A, get 10 groups of Experimental cells (40) carry out three positive one anti-the experiment, result: all do not have blast.
B, get 60 ℃ earlier of 10 groups of Experimental cells (40), RH90% humidification 48h carries out three positive one anti-experiments, result: all do not have blast again behind the constant temperature.
Claims (3)
1. alkaline Mn cell seal mouth ring, comprise periphery (1), the portion that is sealed and matched (3) of sealing, and the load portion (2) of periphery (1) and the portion that is sealed and matched (3) is sealed in connection, be sealed and matched and be provided with rupture pressure disc (4) between portion (3) and the load portion (2), rupture pressure disc (4) outside is characterized in that for escaping compression ring (8): load portion (2) and seal periphery (1) junction and be provided with annular reinforcing steel (5).
2. alkaline Mn cell seal mouth ring as claimed in claim 1, it is characterized in that: be evenly equipped with 3～5 convex tendons (6) in the described load portion (2), convex tendon (6) is along seal mouth ring body radial arrangement, and an end of convex tendon (6) is on annular reinforcing steel (5), and the other end of convex tendon (6) is suspended from escapes compression ring (8) outside.
3. alkaline Mn cell seal mouth ring as claimed in claim 1 or 2 is characterized in that: chamfered transition between rupture pressure disc (4) and the load portion (2) has 15 °～30 ° angle (a) between this transition inclined-plane (9) and the load portion (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203021555U CN201408790Y (en) | 2009-04-14 | 2009-04-14 | Sealing ring of alkaline-manganese battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203021555U CN201408790Y (en) | 2009-04-14 | 2009-04-14 | Sealing ring of alkaline-manganese battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408790Y true CN201408790Y (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203021555U Expired - Fee Related CN201408790Y (en) | 2009-04-14 | 2009-04-14 | Sealing ring of alkaline-manganese battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408790Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789499A (en) * | 2016-04-26 | 2016-07-20 | 福建南平南孚电池有限公司 | Alkali battery sealing ring |
-
2009
- 2009-04-14 CN CN2009203021555U patent/CN201408790Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789499A (en) * | 2016-04-26 | 2016-07-20 | 福建南平南孚电池有限公司 | Alkali battery sealing ring |
| CN105789499B (en) * | 2016-04-26 | 2019-08-13 | 福建南平南孚电池有限公司 | A kind of alkaline battery sealing ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan Changhong NewEnergy Technology Co., Ltd. Assignor: Sichuan Changhong Electrical Appliance Co., Ltd. Contract record no.: 2011510000023 Denomination of utility model: Sealing ring of alkaline-manganese battery Granted publication date: 20100217 License type: Exclusive License Record date: 20110330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20160414 |