CN2151540Y - Safety unit of plastic sealing Cd-Ni accumulator - Google Patents
Safety unit of plastic sealing Cd-Ni accumulator Download PDFInfo
- Publication number
- CN2151540Y CN2151540Y CN 93200502 CN93200502U CN2151540Y CN 2151540 Y CN2151540 Y CN 2151540Y CN 93200502 CN93200502 CN 93200502 CN 93200502 U CN93200502 U CN 93200502U CN 2151540 Y CN2151540 Y CN 2151540Y
- Authority
- CN
- China
- Prior art keywords
- accumulator
- safety
- safety device
- valve
- moulding
- 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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- Y02E60/12—
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a safety unit of plastic sealing Cd-Ni accumulators, which belongs to asafe structure component of a sealing Cd-Ni accumulator. The safety unit of plastic sealing Cd-Ni accumulators mainly solves the problems of having no alkaline liquor or gas leakage when an accumulator is in normal use, and the shell body of the accumulator does not deform and burst when the accumulator is in abnormal use. The upper end of the accumulator is provided with a safety valve; when the internal pressure achieves definite pressure, the valve is opened and started; when the accumulator is used in a combined mode, a clamping plate structure is designed to prevent the shell body from deforming and bursting. The safety unit of plastic sealing Cd-Ni accumulators can be widely used in the mass production of the plastic sealing Cd-Ni accumulators. The utility model has the advantages of high product quality and safe use.
Description
The utility model belongs to the safeguard construction parts of sealed cadmium-nickel battery.
Nickel cadmium cell is in charging process, and the later stage of particularly charging has a large amount of gases to produce, and battery leads when completely charging with 0.2C, and this sealed cell internal pressure is 0.3Mpa, and when leading floating charge with 0.01C, internal pressure also remains on about 0.08Mpa.
In case battery uses error, as large current charge or antipole, then the sealed cell internal pressure can increase sharply, and gently then makes the battery gross distortion, and is heavy then cause the explosion of housing, and alkali lye sprays, the safety that jeopardizes equipment and personnel.
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of safety device of nickel cadmium cell is provided, and makes storage battery (or batteries) non-alkali liquor or gas leakage when normal the use, and accumulator housing can explosion when improper use.
The utility model is realized by following measure:
Safety device partly constitutes by two, i.e. the clamp region of the safety valve of cell batteries and storage battery.
Safety valve of design between two poles in storage battery upper end, when accumulator internal pressure reaches certain pressure, valve opening, interior pressure is then closed during less than this pressure.
When several storage battery combinations were used, inner one had pressure, just plastic casing begins distortion, just begins explosion as the 20Ah accumulator housing when pressure reaches 0.8Mpa, and clamp region designs for head it off.
Safety valve by valve body 1, card cover 2 and block rubber 3 constitute, block rubber 3 covers 2 its envelope is stuck in the valve body chamber by card, its lower surface is pressed on the venthole that leads directly to storage battery, and the compress variation with 0.6 millimeter.Card cover 2 side four grooves, but supplied gas is discharged.When internal storage battery pressure during less than 0.4Mpa, gas can not back down the block rubber 3 of venthole upper end, and storage battery keeps sealing.When internal pressure surpassed 0.4Mpa, gas can compress the block rubber lower surface once more, thereby gas is run out of, and four groove dischargings by card covers 2 sides descend internal pressure, guarantee safety.When internal pressure drops to 0.4Mpa when following, block rubber 3 blocks the venthole of storage battery once more, and storage battery has recovered sealing state again.
Clamp region by 5 two kinds of end plate 4 and rods in addition parts forms, four holes of inserting for rod 5 are respectively arranged on each end plate 4, during storage battery combination use, end plate 4 is pressed in the both sides of batteries, penetrate rod 5, use nut check.The some of this safety device that is absolutely necessary guarantees indeformable, the not explosion of storage battery.A large number of experiments show that, adopt this structure, when interior pressure was increased to 1.0Mpa, the battery profile remained unchanged.
The utility model has been obtained following outstanding effect:
1. make storage battery non-alkali liquor or gas leakage when normal the use, accumulator housing can explosion when improper use.
2. owing to adopted clamp region, storage battery in use housing is indeformable, when interior pressure during greater than 1.0Mpa, and also not explosion of housing.
3. that uses this safety device moulds the shell nickel cadmium cell at whole life period, powers up liquid or distilled water outside need not, easy to use.In transportation,, do not have electric liquid and flow out in any case place.Production technology is simple, and cost is low.
Fig. 1 is the structural representation of safety valve.
Fig. 2 is the schematic diagram of clamp region.
Embodiment:
Valve body 1 and Ka Gai 2 usefulness nylon or ABS material are injection molded, and the material of block rubber 3 is an ethylene-propylene rubber, and its hardness requires to be Shao Shi 50 ± 5.
The glass epoxy of end plate 4 usefulness 5～6 millimeters thick is made, or is shaped with other hard plastic injection molding.Rod is made with the mild steel of φ 8 or φ 10, and nickel plating.
Safety valve and clamp region are complementary, and their common use makes the application of this battery be achieved
Claims (4)
1, a kind of safety device of moulding the shell sealed cadmium-nickel battery, it is characterized in that, safety device partly constitutes by two, be the safety valve of cell batteries and the clamp region of storage battery, safety valve by valve body 1, card cover 2 and block rubber 3 constitute, block rubber 3 covers 2 its envelope is stuck in the valve body chamber by card, its lower surface is pressed on the venthole that leads directly to storage battery, card cover 2 side four grooves, but supplied gas is discharged.
Clamp region is made up of end plate 4 and rod 5, and end plate 4 is pressed in the both sides of batteries, penetrates rod 5, uses nut check.
2, the safety device of moulding the shell sealed cadmium-nickel battery according to claim 1 is characterized in that, block rubber 3 materials in the safety valve are ethylene-propylene rubber, and its hardness requires to be Shao Shi 50 ± 5.
3, the safety device of moulding the shell sealed cadmium-nickel battery according to claim 1 is characterized in that, valve body 1 in the safety valve and Ka Gai 2 usefulness nylon or ABS material are injection molded.
4, the safety device of moulding the shell sealed cadmium-nickel battery according to claim 1 is characterized in that, the glass epoxy of end plate 4 usefulness 5～6 millimeters thick in the clamp region is made, or is shaped with other hard plastic injection molding, and rod 5 usefulness mild steel are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93200502 CN2151540Y (en) | 1993-01-13 | 1993-01-13 | Safety unit of plastic sealing Cd-Ni accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93200502 CN2151540Y (en) | 1993-01-13 | 1993-01-13 | Safety unit of plastic sealing Cd-Ni accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2151540Y true CN2151540Y (en) | 1993-12-29 |
Family
ID=33785249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93200502 Expired - Fee Related CN2151540Y (en) | 1993-01-13 | 1993-01-13 | Safety unit of plastic sealing Cd-Ni accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2151540Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964409A (en) * | 2010-09-01 | 2011-02-02 | 朝阳立塬新能源有限公司 | Explosion-proof structure of energy-storing device |
-
1993
- 1993-01-13 CN CN 93200502 patent/CN2151540Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964409A (en) * | 2010-09-01 | 2011-02-02 | 朝阳立塬新能源有限公司 | Explosion-proof structure of energy-storing device |
| CN101964409B (en) * | 2010-09-01 | 2013-03-27 | 朝阳立塬新能源有限公司 | Explosion-proof structure of energy-storing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |