CN212323107U - Durable nickel-metal hydride battery - Google Patents
Durable nickel-metal hydride battery Download PDFInfo
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- CN212323107U CN212323107U CN202021184745.5U CN202021184745U CN212323107U CN 212323107 U CN212323107 U CN 212323107U CN 202021184745 U CN202021184745 U CN 202021184745U CN 212323107 U CN212323107 U CN 212323107U
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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 durable type nickel-hydrogen battery, which comprises an outer shell, electric core and block, electric core sets up in the shell, the block is fixed in electric core top, the block sets up in shell one end, the block includes the orifice plate, the top cap, explosion-proof subassembly and first sealing washer, the orifice plate sets up in electric core top, explosion-proof subassembly sets up in the orifice plate top, the top cap sets up in explosion-proof subassembly top, first sealing washer sets up between top cap and shell, explosion-proof subassembly includes fixed plate and slip cap, fixed plate and shell fixed connection, the through-hole has been seted up at the fixed plate center, the slip cap sets up in the through-hole, slip cap upper end and through-hole interference fit, the venthole has been seted up on the slip cap surface, the venthole is located the slip cap lower extreme, and the vent. The utility model provides a durable type nickel-hydrogen battery avoids nickel-hydrogen battery internal pressure too big and the explosion takes place, improves nickel-hydrogen battery's durability simultaneously.
Description
Technical Field
The utility model relates to a nickel-metal hydride battery technical field especially relates to a durable type nickel-metal hydride battery.
Background
The nickel-metal hydride battery is improved from a nickel-cadmium battery, and cadmium is replaced by metal capable of absorbing hydrogen. It provides higher capacity than nickel-cadmium battery with the same price, basically has no memory effect, and is a green environment-friendly battery. The nickel-hydrogen battery has the advantages of high energy density, high charging and discharging speed, light weight, long service life, no environmental pollution and the like, and becomes a new energy product which is competitively researched and developed by countries in the world.
After the nickel-metal hydride battery is used for a long time, the electrolyte in the nickel-metal hydride battery is decomposed to release gas, so that the internal pressure is increased. The explosion-proof piece is additionally arranged in the cap of the conventional nickel-metal hydride battery, and when the internal pressure of the nickel-metal hydride battery is too high, the explosion-proof piece is broken, so that the purpose of releasing the internal pressure of the nickel-metal hydride battery is achieved, and the condition that the nickel-metal hydride battery explodes is avoided. However, after the explosion-proof sheet is broken, the nickel-metal hydride battery cannot be used, thereby affecting the durability of the nickel-metal hydride battery.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a durable type nickel-hydrogen battery avoids nickel-hydrogen battery internal pressure too big and the emergence explosion, improves nickel-hydrogen battery's durability simultaneously.
The utility model discloses a technical scheme that durable type nickel-metal hydride battery adopted is:
a durable nickel-hydrogen battery comprises a shell, a battery core and a cover cap, wherein the battery core is arranged in the shell, the cap is fixed above the battery cell and arranged at one end of the shell, the cap comprises a pore plate, a top cover, an explosion-proof assembly and a first sealing ring, the pore plate is arranged above the battery core, the explosion-proof assembly is arranged above the pore plate, the top cover is arranged above the explosion-proof assembly, the first sealing ring is arranged between the top cover and the shell, the explosion-proof assembly comprises a fixed plate and a sliding cap, the fixed plate is fixedly connected with the shell, a through hole is arranged in the center of the fixed plate, the sliding cap is arranged in the through hole, the upper end of the sliding cap is in interference fit with the through hole, the surface of the sliding cap is provided with an air outlet hole which is positioned at the lower end of the sliding cap, and the air outlet hole is positioned below the fixed plate, and the top cover is provided with a reset hole corresponding to the sliding cap.
Preferably, a second sealing ring is arranged between the through hole and the sliding cap.
Preferably, the lower end of the sliding cap is provided with a first blocking piece for preventing the sliding cap from being completely ejected.
Preferably, the surface of the sliding cap is further provided with a second baffle plate, and the second baffle plate is located above the air outlet.
Preferably, the number of the air outlet holes is a plurality, and the air outlet holes are arranged on the surface of the sliding cap in a surrounding mode.
The utility model discloses a durable type nickel-hydrogen battery's beneficial effect is: through setting up electric core in the shell, set up the block in the shell top, play the effect of charging and discharging through electric core. When electric core was in long-term operation, inside electrolyte can decompose and give off gas, and gaseous orifice plate circulation to explosion-proof assembly's below through the block cap, explosion-proof assembly include fixed plate and slip cap. When gas is gradually increased, the pressure inside the nickel-metal hydride battery is increased, the sliding cap is jacked upwards from the through hole in the fixing plate, and the air outlet on the surface of the sliding cap is higher than the fixing plate, so that the gas in the nickel-metal hydride battery is released from the air outlet of the sliding cap, and the situation of explosion due to overlarge internal pressure of the nickel-metal hydride battery is avoided. When people need continue to use nickel-metal hydride battery, the reset hole on the accessible top cap resets the slip cap with the help of other instruments, makes the venthole on the slip cap be located the fixed plate below, carries out interference fit through slip cap upper end and fixed plate, forms sealed nickel-metal hydride battery inner space to make nickel-metal hydride battery can continue to use, improve nickel-metal hydride battery's durability.
Drawings
Fig. 1 is a schematic structural diagram of a durable nickel-metal hydride battery of the present invention;
fig. 2 is a schematic diagram of the internal structure of a durable nickel-metal hydride battery of the present invention;
fig. 3 is a schematic diagram of a sliding cap jacking structure of a durable nickel-metal hydride battery of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1 and fig. 2, a durable nickel-metal hydride battery includes a casing 10, a battery cell 20, and a cap 30, wherein the battery cell 20 is disposed in the casing 10, the cap 30 is fixed above the battery cell 20, and the cap 30 is disposed at one end of the casing 10. By disposing the battery cell 20 in the casing 10 and disposing the cap 30 above the casing 10, the battery cell 20 functions to charge and discharge electricity.
Referring to fig. 3, the cap 30 includes a hole plate 31, a top cover 32, an explosion-proof assembly and a first sealing ring 33, the hole plate 31 is disposed above the battery cell 20, the explosion-proof assembly is disposed above the hole plate 31, the top cover 32 is disposed above the explosion-proof assembly, and the first sealing ring 33 is disposed between the top cover 32 and the housing 10.
The explosion-proof assembly comprises a fixed plate 34 and a sliding cap 35, the fixed plate 34 is fixedly connected with the shell 10, a through hole is formed in the center of the fixed plate 34, the sliding cap 35 is arranged in the through hole, and the upper end of the sliding cap 35 is in interference fit with the through hole. The venthole 351 has been seted up on the surface of sliding cap 35, and venthole 351 is located the sliding cap 35 lower extreme, and venthole 351 is located fixed plate 34 below, and reset hole 321 has been seted up to top cap 32 corresponding sliding cap 35 position.
When the battery cell 20 is operated for a long time, the electrolyte inside the battery cell is decomposed to release gas, and the gas is circulated to the lower part of the explosion-proof assembly through the orifice plate 31 of the cap 30, wherein the explosion-proof assembly comprises a fixed plate 34 and a sliding cap 35. When the gas gradually increases, the pressure inside the nickel-metal hydride battery is increased, the sliding cap 35 is jacked upwards from the through hole in the fixing plate 34, and the air outlet hole 351 in the surface of the sliding cap 35 is higher than the fixing plate 34, so that the gas in the nickel-metal hydride battery is released from the air outlet hole 351 of the sliding cap 35, and the explosion caused by overlarge internal pressure of the nickel-metal hydride battery is avoided.
When people need continue to use nickel-metal hydride battery, the reset hole 321 on the top cover 32 resets the sliding cap 35 by means of other tools, so that the air outlet 351 on the sliding cap 35 is positioned below the fixing plate 34, and the upper end of the sliding cap 35 is in interference fit with the fixing plate 34 to form a sealed internal space of the nickel-metal hydride battery, thereby enabling the nickel-metal hydride battery to continue to be used and improving the durability of the nickel-metal hydride battery.
In the above-described embodiment, the second seal ring 36 is provided between the through hole and the slide cap 35, and the second seal ring 36 reduces the gap between the through hole and the slide cap 35, thereby improving the sealing performance inside the housing 10.
The lower end of the sliding cap 35 is provided with a first blocking piece 352 for preventing the sliding cap 35 from being completely ejected, the surface of the sliding cap 35 is further provided with a second blocking piece 352, the second blocking piece 352 is positioned above the air outlet hole 351, the second blocking piece 352 is used for pressing down the height of the sliding cap 35, and the orifice plate 31 below the sliding cap 35 is crushed.
And the venthole 351 quantity is a plurality of, and venthole 351 encircles and arranges in the setting of sliding cap 35 surface to improve the speed of giving vent to anger of sliding cap 35 after the bounce, can release pressure as fast as possible, thereby avoided the possibility that nickel-hydrogen battery blast.
The utility model provides a durable type nickel-hydrogen battery through setting up electric core in the shell, sets up the block in the shell top, plays the effect of charging and discharging through electric core. When electric core was in long-term operation, inside electrolyte can decompose and give off gas, and gaseous orifice plate circulation to explosion-proof assembly's below through the block cap, explosion-proof assembly include fixed plate and slip cap. When gas is gradually increased, the pressure inside the nickel-metal hydride battery is increased, the sliding cap is jacked upwards from the through hole in the fixing plate, and the air outlet on the surface of the sliding cap is higher than the fixing plate, so that the gas in the nickel-metal hydride battery is released from the air outlet of the sliding cap, and the situation of explosion due to overlarge internal pressure of the nickel-metal hydride battery is avoided. When people need continue to use nickel-metal hydride battery, the reset hole on the accessible top cap resets the slip cap with the help of other instruments, makes the venthole on the slip cap be located the fixed plate below, carries out interference fit through slip cap upper end and fixed plate, forms sealed nickel-metal hydride battery inner space to make nickel-metal hydride battery can continue to use, improve nickel-metal hydride battery's durability.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A durable nickel-hydrogen battery comprises a shell, an electric core and a cover cap, wherein the electric core is arranged in the shell, the cover cap is fixed above the electric core, the cover cap is arranged at one end of the shell, it is characterized in that the cap comprises a pore plate, a top cover, an explosion-proof assembly and a first sealing ring, the pore plate is arranged above the battery cell, the explosion-proof assembly is arranged above the pore plate, the top cover is arranged above the explosion-proof assembly, the first sealing ring is arranged between the top cover and the shell, the explosion-proof assembly comprises a fixed plate and a sliding cap, the fixed plate is fixedly connected with the shell, a through hole is arranged in the center of the fixed plate, the sliding cap is arranged in the through hole, the upper end of the sliding cap is in interference fit with the through hole, the surface of the sliding cap is provided with an air outlet hole which is positioned at the lower end of the sliding cap, and the air outlet hole is positioned below the fixed plate, and the top cover is provided with a reset hole corresponding to the sliding cap.
2. A durable nickel-metal hydride battery as claimed in claim 1, wherein a second seal is provided between said through hole and said sliding cap.
3. A durable nickel-metal hydride battery as claimed in claim 2, wherein the lower end of said sliding cap is provided with a first stopper for preventing the sliding cap from being completely ejected.
4. A durable nickel-metal hydride battery as claimed in claim 3, wherein the surface of the sliding cap is further provided with a second stop piece, and the second stop piece is located above the air outlet.
5. A durable nickel-hydrogen battery as claimed in claim 4, wherein the number of the air outlet holes is several, and the air outlet holes are arranged around the surface of the sliding cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021184745.5U CN212323107U (en) | 2020-06-24 | 2020-06-24 | Durable nickel-metal hydride battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021184745.5U CN212323107U (en) | 2020-06-24 | 2020-06-24 | Durable nickel-metal hydride battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323107U true CN212323107U (en) | 2021-01-08 |
Family
ID=74027766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021184745.5U Active CN212323107U (en) | 2020-06-24 | 2020-06-24 | Durable nickel-metal hydride battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323107U (en) |
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2020
- 2020-06-24 CN CN202021184745.5U patent/CN212323107U/en active Active
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