CN205723807U - A kind of cylindrical cell group - Google Patents
A kind of cylindrical cell group Download PDFInfo
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- CN205723807U CN205723807U CN201620386275.8U CN201620386275U CN205723807U CN 205723807 U CN205723807 U CN 205723807U CN 201620386275 U CN201620386275 U CN 201620386275U CN 205723807 U CN205723807 U CN 205723807U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The open a kind of cylindrical cell group of this utility model, it includes metal shell, two or more battery inner core, insulated sleeve, all tablettings, anelectrode and negative electrode, two or more battery inner core concatenation forms battery inner bag in being sleeved on insulated sleeve, all tablettings are located between adjacent two battery inner core, anelectrode and negative electrode are individually fixed in the two ends of battery inner bag and electrically connect with corresponding battery inner core, anelectrode, negative electrode and battery inner bag are sleeved in metal shell, battery inner core is provided with the through hole as liquid storage district along axis of spindle, all correspondence liquid storage districts, tabletting center are provided with liquid-through hole, anelectrode is provided with the pressure relief vent connected with liquid storage district, negative electrode is provided with the liquid injection hole of liquid storage district connection.The intrinsic pressure bigger raising of set of cells of the present utility model, each battery inner core electrolyte communicates, and interior pressure is equal, limits the reaction of internal battery pack bad gas phase, stabilizes liquid phase reactor, improve overcharging of set of cells, crosses exoergic power, extend service life.
Description
Technical field
This utility model relates to cell art, particularly relates to a kind of cylindrical cell group.
Background technology
1, current, set of cells is all made up of multiple cells, each cell both positive and negative polarity is drawn respectively, and each cell has independent electrolyte and exhaust safety valve, and multiple cells are connected with the positive pole of next cell formation set of cells through the upper negative pole of a cell.Existing set of cells has a disadvantage in that 1, volume is bigger；In set of cells, owing to each cell both positive and negative polarity to be drawn respectively, there are independent electrolyte and relief valve again, define bigger volume.2, internal resistance is bigger；In set of cells, owing to each cell both positive and negative polarity to be drawn respectively, lead resistance sum forms bigger set of cells internal resistance.3, equilibrium degree is poor；In set of cells, even if it is completely the same that the capacity of each cell and other performances are done, but owing to each cell location is different, radiating condition is different, after life-time service, the use temperature due to battery is different, causes concentration of electrolyte difference and forms the unbalanced of battery.4, poor reliability；Because positive and negative the extraction respectively of each cell is connected in series again in set of cells, the joint of the highest series connection of voltage of set of cells is the most, as long as having, junction contacts is bad will make whole Battery pack to use, and therefore reliability is poor.5, dispel the heat poor；Owing to each cell needs independent electrolyte, need between cell to be dielectrically separated from, cause heat radiation poor.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of cylindrical cell group.
The technical solution adopted in the utility model is:
nullA kind of cylindrical cell group，It includes metal shell、Two or more battery inner core、Insulated sleeve、All tablettings、One anelectrode and a negative electrode，Described in two or more, battery inner core concatenation forms battery inner bag in being sleeved on insulated sleeve，The length of insulated sleeve is more than the length sum of two or more battery inner core，Described equal tabletting is located between adjacent two battery inner core，Described anelectrode and negative electrode are individually fixed in the two ends of battery inner bag and electrically connect with corresponding battery inner core，Anelectrode、Negative electrode and battery inner bag are sleeved in metal shell，Anelectrode、Negative electrode insulate with metal shell，Battery inner core is provided with the through hole as liquid storage district along axis of spindle，Correspondence liquid storage district, described equal tabletting center is provided with liquid-through hole，Electrolyte in plural battery inner core is communicated by liquid-through hole，Described anelectrode is provided with the pressure relief vent of the liquid storage district connection with corresponding battery inner core，Described negative electrode is provided with the liquid injection hole of the liquid storage district connection with corresponding battery inner core.
Described metal shell includes metallic cylinder and metal connecting plate, the medial wall at metallic cylinder two ends is provided with the interior tooth matched with metal connecting plate, described battery inner bag is sheathed in metallic cylinder, metal connecting plate is respectively arranged on the two ends of metallic cylinder, it is provided with insulation spacer between metal connecting plate and anelectrode or between metal connecting plate and negative electrode, metal connecting plate complexed metal cylinder is by anelectrode, negative electrode and battery inner bag are fixed on the centre of metallic cylinder, metal connecting plate center is provided with the contactless inner hexagonal hole passed of exit being provided with for described anelectrode or negative electrode；Irrigate organic insulating sealing materials in the inner hexagonal hole of metal connecting plate and form sealant；
Described battery inner core includes positive plate and negative plate, positive plate and negative plate are in being staggered, being provided with barrier film between positive plate and negative plate, described positive plate, negative plate and barrier film curl in cylindrical battery inner core, and battery inner core is provided with the through hole as liquid storage district along axis of spindle.
The diameter of described liquid-through hole is less than the half of liquid storage district diameter.
The thickness 0.1-4 millimeter of described equal tabletting, the aperture 1-8 millimeter of the liquid-through hole at Jun Ya center.
Described anelectrode also includes relief valve mechanism, described pressure relief vent is the stepped hole coaxial with battery battery core, the miner diameter end of stepped hole connects with the liquid storage district of battery battery core, described relief valve mechanism includes the interior rustless steel steel ball to the bigger diameter end being installed on outward stepped hole successively, stainless steel spring and the STAINLESS STEEL HEX SOCKET CAP SCREWS of central hole, the diameter of described rustless steel steel ball is more than the diameter of the miner diameter end of stepped hole, rustless steel steel ball is by stainless steel spring overhead and miner diameter end is formed sealing, described rustless steel steel ball is slidably connected with the inwall of the bigger diameter end of stepped hole, the inwall correspondence STAINLESS STEEL HEX SOCKET CAP SCREWS of the bigger diameter end of described stepped hole is provided with internal screw thread.
Described negative electrode also includes the sealed screw sealed for liquid injection hole, and described sealed screw is countersunk head nylon screw, and the inwall of liquid injection hole is provided with the internal screw thread coordinated with sealed screw.
Described metallic cylinder and metal connecting plate are made up of ordinary steel, rustless steel or aluminium alloy.
Described positive plate and negative plate misaligned interval 2-6 millimeter；A diameter of 30-120 millimeter of described battery inner core, internal diameter 0.1-0.2 bigger than the diameter of the battery inner core millimeter of described insulated sleeve, the wall thickness of insulated sleeve is 0.5-2 millimeter, the internal diameter of metallic cylinder is 30-200 millimeter, the a length of 50-300 millimeter of metallic cylinder, the wall thickness of metallic cylinder is 0.5-8 millimeter, and the interior dental length of metallic cylinder is 3-30 millimeter, and the thickness of metal connecting plate is 0.5-8 millimeter.
Described organic insulation encapsulant is epoxy resin, and described epoxy resin inserts is poured into the inner hexagonal hole of metal connecting plate and forms epoxy sealing layer.
This utility model uses above technical scheme, the equal tabletting of liquid-through hole it is provided with between the battery inner core of multiple concatenations, the fluid communication of electrolyte when set of cells is normally used, the pressure of each cell inner core is equal, uses thicker metallic cylindrical tube as shell, improve more greatly the intrinsic pressure of each cell inner core, limit the reaction of internal battery pack bad gas phase, stabilize liquid phase reactor, improve overcharging of set of cells, cross exoergic power, extend service life.Thicker metal shell structure, the positive and negative electrode of battery is coordinated to insulate with metal shell, solve heat dissipation problem additionally, this utility model uses the insulated sleeve of relatively thin plastics to form battery inner bag.The positive and negative electrode of battery is respectively adopted anelectrode and negative electrode structure, and exit is set, overcome the uneven problem of inside battery charging and discharging currents and alkali bridge electrical leakage problems, use epoxy resin closed for second time extraction electrode technology further, epoxy resin secondary seal is used further on the basis of connecting plate seals, make battery electrode be integrated with metal connecting plate, improve battery strong degree, also solve simultaneously and climb alkali problem.Relief valve and nylon screw safety guard, make battery various severe in the case of ensure that the safety of battery.This utility model uses the battery inner bag of cylinder and plastic insulation to add the structure of metal shell, double Sealing Technologies, and make that battery case bears intrinsic pressure is more than 5 MPas, and relief valve can control at 1.5 MPas to 3 MPas.The intrinsic pressure bigger raising that battery normally uses, limits the reaction of inside battery bad gas phase, stabilizes liquid phase reactor, improve overcharging of battery, cross exoergic power, extend service life.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further details；
Fig. 1 is the structural representation of this utility model a kind of cylindrical cell group；
Fig. 2 is the structural representation of the equal tabletting of this utility model a kind of cylindrical cell group；
Fig. 3 is the structural representation of the anelectrode of this utility model a kind of cylindrical cell group；
Fig. 4 is the structural representation of the negative electrode of this utility model a kind of cylindrical cell group.
Detailed description of the invention
nullAs shown in one of Fig. 1-4，This utility model includes metal shell、Two or more battery inner core 2、Insulated sleeve 4、All tablettings 3、One anelectrode 7 and a negative electrode 10，Described in two or more, battery inner core 2 concatenation forms battery inner bag in being sleeved on insulated sleeve 4，The length of insulated sleeve 4 is more than the length sum of two or more battery inner core 2，Described equal tabletting is located between adjacent two battery inner core 2，Described anelectrode 7 and negative electrode 10 are individually fixed in the two ends of battery inner bag and electrically connect with corresponding battery inner core 2，Anelectrode 7、Negative electrode 10 and battery inner bag are sleeved in metal shell，Anelectrode 7、Negative electrode 10 insulate with metal shell，Battery inner core 2 is provided with the through hole as liquid storage district 8 along axis of spindle，Correspondence liquid storage district, described equal tabletting 3 center 8 is provided with liquid-through hole 11，Electrolyte in plural battery inner core is communicated by liquid-through hole 11，Described anelectrode 7 is provided with the pressure relief vent 22 of liquid storage district 8 connection with corresponding battery inner core 2，Described negative electrode 10 is provided with the liquid injection hole 28 of liquid storage district 8 connection with corresponding battery inner core 2.
Described metal shell includes metallic cylinder 1 and metal connecting plate 6, the medial wall at metallic cylinder 1 two ends is provided with the interior tooth matched with metal connecting plate 6, described battery inner bag is sheathed in metallic cylinder 1, metal connecting plate 6 is respectively arranged on the two ends of metallic cylinder 1, it is provided with insulation spacer between metal connecting plate 6 and anelectrode 7 or between metal connecting plate 6 and negative electrode 10, metal connecting plate 6 complexed metal cylinder 1 is by anelectrode 7, negative electrode 10 and battery inner bag are fixed on the centre of metallic cylinder 1, metal connecting plate 6 center is provided with the contactless inner hexagonal hole passed of exit being provided with for described anelectrode 7 or negative electrode 10；Irrigate organic insulating sealing materials 9 in the inner hexagonal hole of metal connecting plate 6 and form sealant；
Described battery inner core 2 includes positive plate and negative plate, positive plate and negative plate are in being staggered, being provided with barrier film between positive plate and negative plate, described positive plate, negative plate and barrier film curl in cylindrical battery inner core 2, and battery inner core 2 is provided with the through hole as liquid storage district 8 along axis of spindle.
The diameter of described liquid-through hole 11 is less than the half of liquid storage district 8 diameter.
The thickness 0.1-4 millimeter of described equal tabletting 3, the aperture 1-8 millimeter of the liquid-through hole 11 at Jun Ya center.
Described anelectrode 7 also includes relief valve mechanism, described pressure relief vent 22 is the stepped hole coaxial with battery inner core 2, the miner diameter end of stepped hole connects with the liquid storage district 8 of battery inner core 2, described relief valve mechanism includes the interior rustless steel steel ball 23 to the bigger diameter end being installed on outward stepped hole successively, the STAINLESS STEEL HEX SOCKET CAP SCREWS 25 of stainless steel spring 24 and central hole, the diameter of described rustless steel steel ball 23 is more than the diameter of the miner diameter end of stepped hole, rustless steel steel ball 23 is by stainless steel spring 24 overhead and miner diameter end is formed sealing, described rustless steel steel ball 23 is slidably connected with the inwall of the bigger diameter end of stepped hole, the inwall correspondence STAINLESS STEEL HEX SOCKET CAP SCREWS 25 of the bigger diameter end of described stepped hole is provided with internal screw thread.
Described negative electrode 10 also includes the sealed screw 29 sealed for liquid injection hole 28, and described sealed screw 29 is countersunk head nylon screw, and the inwall of liquid injection hole 28 is provided with the internal screw thread coordinated with sealed screw 29.
Described metallic cylinder 1 and metal connecting plate 6 are made up of ordinary steel, rustless steel or aluminium alloy.
Described positive plate and negative plate misaligned interval 2-6 millimeter；A diameter of 30-120 millimeter of described battery inner core 2, internal diameter 0.1-0.2 bigger than the diameter of battery inner core 2 millimeter of described insulated sleeve 4, the wall thickness of insulated sleeve 4 is 0.5-2 millimeter, the internal diameter of metallic cylinder 1 is 30-200 millimeter, the a length of 50-300 millimeter of metallic cylinder 1, the wall thickness of metallic cylinder 1 is 0.5-8 millimeter, and the interior dental length of metallic cylinder 1 is 3-30 millimeter, and the thickness of metal connecting plate 6 is 0.5-8 millimeter.
Described organic insulation encapsulant 9 is epoxy resin, and described epoxy resin inserts is poured into the inner hexagonal hole of metal connecting plate 6 and forms epoxy sealing layer.
Below this utility model is elaborated.
This utility model includes metal shell, two or more battery inner core 2, insulated sleeve 4, equal tabletting 3, anelectrode 7 and negative electrode 10.This utility model generally can divide following making part:
nullA、As shown in Figure 3，Anelectrode 7 makes: described anelectrode 7 includes positive pole exit 21、Positive pole confluxes sheet 20 and relief valve mechanism，Positive pole confluxes sheet 20 for stainless steel material，The conflux diameter of sheet 20 of positive pole is identical with the diameter of corresponding battery inner core 2，Positive pole confluxes the 30-120 millimeter of diameter of sheet 20，Thickness 0.5-4 millimeter，Described positive pole exit 21 is stainless steel material molding，The maximum outside diameter of positive pole exit 21 is 10-35 millimeter，The entire length of positive pole exit 21 is 6-35 millimeter，Positive pole exit 21 coaxially offer pressure relief vent 22，Described pressure relief vent 22 is stepped hole，The miner diameter end of stepped hole connects with the liquid storage district 8 of corresponding battery inner core 2，The diameter 2-7 millimeter of the miner diameter end of stepped hole，This hole and polishing the to be carried out process of rustless steel contact portion，Described relief valve mechanism includes the rustless steel steel ball 23 being installed on the bigger diameter end of stepped hole the most successively、The STAINLESS STEEL HEX SOCKET CAP SCREWS 25 of stainless steel spring 24 and central hole，Centered by described STAINLESS STEEL HEX SOCKET CAP SCREWS 25, perforation is M3-M8、The STAINLESS STEEL HEX SOCKET CAP SCREWS 25 of a length of 3-6 millimeter，The central diameter of stainless steel spring 24 is 3-8 millimeter，The length 3-6 millimeter of stainless steel spring 24，The pressure of stainless steel spring 24 is at 0.1-0.8 kilogram.A diameter of 3-8 millimeter of rustless steel steel ball 23.The diameter of described rustless steel steel ball 23 is more than or equal to the diameter of the miner diameter end of stepped hole, the inwall correspondence STAINLESS STEEL HEX SOCKET CAP SCREWS 25 of the bigger diameter end of described stepped hole is provided with internal screw thread, STAINLESS STEEL HEX SOCKET CAP SCREWS 25 is connected with the bigger diameter end inner thread of stepped hole, described rustless steel steel ball 23 is slidably connected with the inwall of the bigger diameter end of stepped hole, and rustless steel steel ball 23 is by stainless steel spring 24 overhead and miner diameter end is formed sealing.The STAINLESS STEEL HEX SOCKET CAP SCREWS 25 of rustless steel steel ball 23, stainless steel spring 24 and central hole is assembled at the bigger diameter end of stepped hole successively, to with relief valve mechanism positive pole exit 21 air pressure testboard be adjusted test, qualified after by laser welding, interior STAINLESS STEEL HEX HEAD CAP SCREWS is welded fixing；Combine ultrasonic welding technique by electrical heating to be confluxed by positive pole a surface of sheet 20 and the connection of positive plate, again one end of positive pole exit 21 is fixedly welded on positive pole conflux sheet 20 installing hole in, and ensure that positive pole exit 211 is positioned at positive pole and confluxes sheet 20 lateral surface.
nullB、As shown in Figure 4，Negative electrode 10 makes: described negative electrode 10 includes negative pole exit 27、Negative pole confluxes sheet 26 and sealed screw 29，Negative pole confluxes sheet 26 for stainless steel material，The conflux diameter of sheet 26 of negative pole is identical with the diameter of battery inner core 2，Negative pole confluxes the 30-120 millimeter of diameter of sheet 26，Thickness 0.5-4 millimeter，The installing hole of 6-25 millimeter is offered at center，A conflux surface of sheet 26 of negative pole combines ultrasonic welding technique by electrical heating and is connected with negative plate，Described negative pole exit 27 is stainless steel material molding，The external diameter of negative pole exit 27 is 10-35 millimeter，The a length of 6-35 millimeter of negative pole exit 27，Negative pole exit 27 is provided with the liquid injection hole 2824 connected with liquid storage district 87，The inwall of liquid injection hole 28 is provided with and coordinates with sealed screw 29 and the internal screw thread of a length of 3-8 millimeter，Described sealed screw 29 is the countersunk head nylon screw of M3-6，Described sealed screw 29 screws in liquid injection hole 28 after liquid filling and seals liquid injection hole 28，Concurrently form safety device；One end of negative pole exit 27 be fixed on negative pole conflux sheet 26 installing hole in, and ensure that negative pole exit 27 is positioned at negative pole and confluxes sheet 26 lateral surface, negative pole exit 27 matches with positive pole exit 21 and is connected.
C, the making of battery inner core 2: added barrier film by positive plate and negative plate adds the barrier film axle at diameter 6-25 millimeter, the diameter of axle is decided by the volume in battery design liquid storage district 8, sequence 2-6 millimeter turns to cylindrical battery inner core 2, this cylinder carries out full circle process, guarantee that its diameter is 0.1-0.2 millimeter less than insulated sleeve 4
D: the making of battery inner bag: plural battery inner core 2 is put in the insulated sleeve 4 of slightly longer than two or more battery inner core 2 length summation, anelectrode 7 and negative electrode 10 are individually fixed in the two ends of battery inner bag and electrically connect with corresponding battery inner core 2, the thickness of described insulated sleeve 4 grows 2-8 millimeter respectively at 0.5-2 millimeter, insulated sleeve 4 two ends.Battery inner core 2 two ends add insulation spacer, and described insulated sleeve 4 and insulation spacer all use nylon molding, described insulated sleeve 4 and insulation spacer to coordinate battery inner core 2 to form battery inner bag through plastic hot melt technology.
The assembling of E: metal shell: metal shell is made up of metallic cylinder 1 and metal connecting plate 6, metallic cylinder 1 diameter is at 30-200 millimeter, length 50-300 millimeter, wall thickness is at 0.5-8 millimeter, the interior tooth of a length of 3-30 millimeter that matches with metal connecting plate 6 is offered at metallic cylinder 1 two ends inside, metal connecting plate 6 center is hexagonal inner hexagonal hole, metal connecting plate 6 diameter is more than positive pole exit 21 or the maximum outside diameter 2-4 millimeter of negative pole exit 27, the thickness of metal connecting plate 6 is 0.5-8 millimeter, metallic cylinder 1 and metal connecting plate 6 can use rustless steel, nickel plating steel pipe, the material molding such as aluminium-alloy pipe.Battery inner bag is put in metallic cylinder 1, the two ends of battery inner bag are respectively plus the insulation spacer of nylon, and the two ends of metallic cylinder 1 screw in metal connecting plate 6 respectively, make battery inner bag in metal cylinder centre, controlling to screw with torque spanner, torsion controls at 5-20 cattle rice.Sealing situation is detected, it is ensured that at 0.2-0,6 MPas of No leakage by liquid injection hole 28.Inner hexagonal hole at the metal connecting plate 6 at the two ends of set of cells pours into organic insulation encapsulant 9 respectively again, completes secondary seal after solidification.And carry out sealing test it is ensured that 2-3 MPa of No leakage by liquid injection hole 28 again.Carry out vacuum liquid filling, place after liquid filling and carry out high temperature chemical conversion in 12 hours.Carry out after the discharge and recharge of 2-3 time partial volume classified battery make.
This utility model uses above technical scheme, the equal tabletting 3 of liquid-through hole 11 it is provided with between the battery inner core 2 of multiple concatenations, make the intrinsic pressure bigger raising that set of cells normally uses, each cell pressure is equal, limit the reaction of internal battery pack bad gas phase, stabilize liquid phase reactor, improve overcharging of set of cells, cross exoergic power, extend service life.Additionally, this utility model uses the insulated sleeve 4 of relatively thin plastics to form battery inner bag coordinates thicker metal shell structure, the positive and negative electrode 10 of battery insulate with metal shell, solves heat dissipation problem.The positive and negative electrode 10 of battery is respectively adopted anelectrode 7 and negative electrode 10 structure, and exit is set, overcome the uneven problem of inside battery charging and discharging currents and alkali bridge electrical leakage problems, use secondary epoxy resin sealing extraction electrode technology further, epoxy resin secondary seal is used further on the basis of connecting plate seals, make battery electrode be integrated with metal connecting plate 6, improve battery strong degree, also solve simultaneously and climb alkali problem.Relief valve and nylon screw safety guard, make battery various severe in the case of ensure that the safety of battery.This utility model uses the battery inner bag of cylinder and plastic insulation to add the structure of metal shell, double Sealing Technologies, and make that battery case bears intrinsic pressure is more than 5 MPas, and relief valve can control at 1.5 MPas to 3 MPas.The intrinsic pressure bigger raising that battery normally uses, limits the reaction of inside battery bad gas phase, stabilizes liquid phase reactor, improve overcharging of battery, cross exoergic power, extend service life.
Claims (10)
- null1. a cylindrical cell group，It is characterized in that: it includes metal shell、Two or more battery inner core、Insulated sleeve、All tablettings、One anelectrode and a negative electrode，Described in two or more, battery inner core concatenation forms battery inner bag in being sleeved on insulated sleeve，The length of insulated sleeve is more than the length sum of two or more battery inner core，Described equal tabletting is located between adjacent two battery inner core，Described anelectrode and negative electrode are individually fixed in the two ends of battery inner bag and electrically connect with corresponding battery inner core，Anelectrode、Negative electrode and battery inner bag are sleeved in metal shell，Anelectrode、Negative electrode insulate with metal shell，Battery inner core is provided with the through hole as liquid storage district along axis of spindle，Correspondence liquid storage district, described equal tabletting center is provided with liquid-through hole，Electrolyte in plural battery inner core is communicated by liquid-through hole，Described anelectrode is provided with the pressure relief vent of the liquid storage district connection with corresponding battery inner core，Described negative electrode is provided with the liquid injection hole of the liquid storage district connection with corresponding battery inner core.
- A kind of cylindrical cell group, it is characterized in that: described metal shell includes metallic cylinder and metal connecting plate, the medial wall at metallic cylinder two ends is provided with the interior tooth matched with metal connecting plate, described battery inner bag is sheathed in metallic cylinder, metal connecting plate is respectively arranged on the two ends of metallic cylinder, it is provided with insulation spacer between metal connecting plate and anelectrode or between metal connecting plate and negative electrode, metal connecting plate complexed metal cylinder is by anelectrode, negative electrode and battery inner bag are fixed on the centre of metallic cylinder, metal connecting plate center is provided with the contactless inner hexagonal hole passed of exit being provided with for described anelectrode or negative electrode；Irrigate organic insulating sealing materials in the inner hexagonal hole of metal connecting plate and form sealant.
- A kind of cylindrical cell group, it is characterized in that: described battery inner core includes positive plate and negative plate, positive plate and negative plate are in being staggered, barrier film it is provided with between positive plate and negative plate, described positive plate, negative plate and barrier film curl in cylindrical battery inner core, and battery inner core is provided with the through hole as liquid storage district along axis of spindle.
- A kind of cylindrical cell group, it is characterised in that: the diameter of described liquid-through hole is less than the half of liquid storage district diameter.
- A kind of cylindrical cell group, it is characterised in that: the thickness 0.1-4 millimeter of described equal tabletting, the aperture 1-8 millimeter of the liquid-through hole at Jun Ya center.
- A kind of cylindrical cell group, it is characterized in that: described anelectrode also includes relief valve mechanism, described pressure relief vent is the stepped hole coaxial with battery battery core, the miner diameter end of stepped hole connects with the liquid storage district of battery battery core, described relief valve mechanism includes the interior rustless steel steel ball to the bigger diameter end being installed on outward stepped hole successively, stainless steel spring and the STAINLESS STEEL HEX SOCKET CAP SCREWS of central hole, the diameter of described rustless steel steel ball is more than the diameter of the miner diameter end of stepped hole, rustless steel steel ball is by stainless steel spring overhead and miner diameter end is formed sealing, described rustless steel steel ball is slidably connected with the inwall of the bigger diameter end of stepped hole, the inwall correspondence STAINLESS STEEL HEX SOCKET CAP SCREWS of the bigger diameter end of described stepped hole is provided with internal screw thread.
- A kind of cylindrical cell group, it is characterised in that: described negative electrode also includes the sealed screw sealed for liquid injection hole, and described sealed screw is countersunk head nylon screw, and the inwall of liquid injection hole is provided with the internal screw thread coordinated with sealed screw.
- A kind of cylindrical cell group, it is characterised in that: described metallic cylinder and metal connecting plate are made up of ordinary steel, rustless steel or aluminium alloy.
- A kind of cylindrical cell group, it is characterised in that: described positive plate and negative plate misaligned interval 2-6 millimeter；A diameter of 30-120 millimeter of described battery inner core, internal diameter 0.1-0.2 bigger than the diameter of the battery inner core millimeter of described insulated sleeve, the wall thickness of insulated sleeve is 0.5-2 millimeter, the internal diameter of metallic cylinder is 30-200 millimeter, the a length of 50-300 millimeter of metallic cylinder, the wall thickness of metallic cylinder is 0.5-8 millimeter, and the interior dental length of metallic cylinder is 3-30 millimeter, and the thickness of metal connecting plate is 0.5-8 millimeter.
- A kind of cylindrical cell group, it is characterised in that: described organic insulation encapsulant is epoxy resin, and described epoxy resin inserts is poured into the inner hexagonal hole of metal connecting plate and forms epoxy sealing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386275.8U CN205723807U (en) | 2016-04-29 | 2016-04-29 | A kind of cylindrical cell group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386275.8U CN205723807U (en) | 2016-04-29 | 2016-04-29 | A kind of cylindrical cell group |
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| CN205723807U true CN205723807U (en) | 2016-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870362A (en) * | 2016-04-29 | 2016-08-17 | 福建牛尔电子技术有限公司 | Cylindrical storage battery pack |
| CN109873110A (en) * | 2017-12-04 | 2019-06-11 | 北京好风光储能技术有限公司 | A kind of bipolar battery heap |
-
2016
- 2016-04-29 CN CN201620386275.8U patent/CN205723807U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870362A (en) * | 2016-04-29 | 2016-08-17 | 福建牛尔电子技术有限公司 | Cylindrical storage battery pack |
| CN109873110A (en) * | 2017-12-04 | 2019-06-11 | 北京好风光储能技术有限公司 | A kind of bipolar battery heap |
| CN109873110B (en) * | 2017-12-04 | 2020-09-08 | 北京好风光储能技术有限公司 | Bipolar battery stack |
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