CN110707253A - Storage battery pack - Google Patents

Storage battery pack Download PDF

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Publication number
CN110707253A
CN110707253A CN201910905702.7A CN201910905702A CN110707253A CN 110707253 A CN110707253 A CN 110707253A CN 201910905702 A CN201910905702 A CN 201910905702A CN 110707253 A CN110707253 A CN 110707253A
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CN
China
Prior art keywords
battery pack
groove
single batteries
fixing
battery
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.)
Granted
Application number
CN201910905702.7A
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Chinese (zh)
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CN110707253B (en
Inventor
李越南
刘海凤
周文渭
庄建
宋锐
王增君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianneng Battery Group Co Ltd
Original Assignee
Tianneng Battery Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianneng Battery Group Co Ltd filed Critical Tianneng Battery Group Co Ltd
Priority to CN201910905702.7A priority Critical patent/CN110707253B/en
Publication of CN110707253A publication Critical patent/CN110707253A/en
Application granted granted Critical
Publication of CN110707253B publication Critical patent/CN110707253B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The invention discloses a storage battery pack which comprises a plurality of single batteries which are horizontally and vertically stacked, wherein adjacent single batteries are connected in series through a lead, a clamping groove is formed in the side surface of a groove body, adjacent single batteries are connected and fixed through a fixing piece, and the fixing piece comprises clamping blocks which respectively extend into the clamping grooves of the adjacent single batteries. The single battery of the storage battery pack is convenient to replace, does not damage any part during maintenance and disassembly, can be repeatedly used by matching with accessories such as a fixing piece and the like, and solves the problems of combination placement and maintenance when a plurality of small-capacity single batteries are used in series-parallel combination and the heat dissipation problem of a large-scale battery pack. Each single battery is fixedly connected with the clamping groove on the side face of the groove body through the clamping block on the fixing piece in a matched mode, and the single batteries are stable and not easy to shift. Through above-mentioned structural improvement, through the effective cooperation between each part, it has advantages such as shock resistance can the reinforce.

Description

Storage battery pack
Technical Field
The invention relates to the technical field of storage batteries, in particular to a storage battery pack.
Background
Lead-acid batteries have been widely used in various fields, such as Uninterruptible Power Supplies (UPS), power supplies, and communication power supplies, and many of recent electric vehicles, such as electric bicycles, electric motorcycles, electric wheelchair vehicles, and electric cars, also use lead-acid batteries. The UPS storage battery is used as the backup energy of the UPS power supply system and is also an important component of the UPS power supply system, and particularly, the large and medium UPS power supply backup storage batteries are large in quantity, large in capacity and heavy in mass, and if the layout is not reasonable during installation, the problems of damage to a building body, casualties, difficulty in later maintenance, incapability of detection and the like can be caused. In addition, for the electric vehicle, frequent charging and discharging of the battery is required, and higher requirements are made on the performance of the battery, and the performance of the battery is also exerted to the limit. Currently, a plurality of batteries are generally used after being connected in series/parallel in a group. The storage battery series/parallel connection is too much, the wiring is disordered, the occupied space is large, particularly when a large battery pack is formed, the connection direction, the connection reliability and the like are more limited, potential safety hazards are easily caused, the whole battery pack is damaged during maintenance, disassembly and the like, and the inconvenience in installation and maintenance is caused.
The battery pack of the electric vehicle is formed by connecting a plurality of batteries in series/parallel, a typical battery pack has about 4-6 batteries, and when the electric vehicle runs on a bumpy road surface, the battery pack used by the electric vehicle is easy to damage due to vibration, so that the use of the electric vehicle is influenced.
The invention patent application with the application number of CN200810168497.2 adopts a spring sheet type structure and a battery fixing clamp, and solves the parallel connection problem among batteries. However, the conduction between the batteries is realized by the contact of the elastic sheets, the connection between the batteries in parallel is unreliable in series connection, the current is limited, and the connection between the batteries in parallel is unreliable in parallel connection, and the whole set of batteries must be fixed by an outer frame when in use, otherwise the batteries are easy to loosen, and the contact is not good.
On the other hand, since a plurality of single cells are combined together, the heat dissipation performance is also an important issue that must be considered, and although the design mentioned in the invention patent with application number CN200810168497.2 realizes the problem of cell combination, the heat dissipation effect is poor, and is not suitable for the serial connection combination of multi-layer cells.
Disclosure of Invention
The invention provides an improved storage battery pack for further improving the cycle performance of the storage battery, particularly for the storage battery which needs to be in a state of frequent charge and discharge and is relevant to the requirement of installation space of a UPS battery and the like.
The utility model provides a storage battery, includes the monomer battery that many levels and vertical stack, every monomer battery is including the cell body and the capping that each other approximately close to and stretch out the positive, negative binding post of capping, use the wire to establish ties between the adjacent monomer battery, the side of cell body is equipped with the draw-in groove, uses the mounting to connect fixedly between the adjacent monomer battery, the mounting is including stretching into the fixture block in the adjacent monomer battery draw-in groove respectively.
The clamping groove is composed of raised lines which are arranged on the side face of the groove body in pairs along the vertical direction and are also used as reinforcing ribs, and a vertical clamping groove is formed between each pair of raised lines. The single battery is a cuboid, two pairs of raised strips are arranged on the side face of the long edge of the groove body, and a pair of raised strips are arranged on the side face of the short edge. The sand grip has the effect of strengthening rib, ensures that the cell body sound construction of battery cell, forms the draw-in groove simultaneously between each pair of sand grip, with the fixture block cooperation on the mounting, sand grip protrusion in cell body side has ensured to have certain interval between the adjacent battery, does benefit to the heat dissipation.
The top surface of the slot cover is provided with a wiring slot extending from the wiring terminal to the side surface, and a wire for connecting adjacent single batteries in series is arranged in the wiring slot. Binding post is including the terminal that has the external screw thread, the both ends of wire are equipped with the lug respectively, it wears the cover to have on the lug wiring hole on the terminal, supporting on the terminal be equipped with the terminal cooperation, be used for compressing tightly fixedly the fixation nut of lug. The wire is arranged in the wiring groove, does not influence piling up between the battery cell, and the wiring groove also can be regarded as radiating passageway simultaneously, is favorable to the battery heat dissipation.
The lead is divided into a linear lead for connecting two horizontally arranged single batteries and a U-shaped lead for connecting two vertically arranged single batteries.
The fixing member includes:
the first fixing piece is used for connecting and fixing four single batteries which are arranged in an upper layer and a lower layer, and comprises four clamping blocks and first supporting pieces, wherein two sides of the first supporting pieces respectively extend into the space between a pair of single batteries arranged in the upper layer and the lower layer during installation;
the second fixing piece is used for connecting and fixing the two single batteries which are arranged up and down and comprises an upper clamping block, a lower clamping block and a second supporting piece which extends into the space between the two single batteries during installation;
and the third fixing piece is used for connecting and fixing two single batteries which are horizontally arranged and comprises two clamping blocks which are horizontally distributed and a positioning block which is arranged on the tops of the clamping blocks and is in lap joint with the top surfaces of the clamping grooves.
The chip mounting structure is characterized in that a chip mounting groove for mounting a chip is arranged in an area, between the positive wiring terminal and the negative wiring terminal, of the top surface of the groove cover, a mounting hole is formed in the chip, and a positioning column penetrating through the mounting hole is arranged on the bottom surface of the chip mounting groove.
Two glue grooves for filling red glue and green glue are respectively arranged on the groove cover close to the positive wiring terminal and the negative wiring terminal.
The storage battery pack has the advantages that the storage battery pack is orderly installed and combined through unique external design in consideration of installation space limitation requirements and the heat dissipation problem of the storage battery pack and in consideration of storage battery combination installation, the series-parallel connection combined storage battery pack is not disordered in wiring and neat in appearance, and the storage battery pack can be freely combined according to installation controls. The single battery cell is convenient to replace, any part is not damaged during maintenance and disassembly, fittings such as a fixing piece can be used repeatedly, and the problems of combination placement and maintenance and the heat dissipation problem of a large battery pack when a plurality of small-capacity battery cells are used in series-parallel combination are solved. Each single battery is fixedly connected with the clamping groove on the side face of the groove body through the clamping block on the fixing piece in a matched mode, and the single batteries are stable and not easy to shift. Through above-mentioned structural improvement, through the effective cooperation between each part, it has advantages such as shock resistance can the reinforce.
Drawings
Fig. 1 is a schematic perspective view of the connection of the unit cells in the battery pack according to the present invention.
Fig. 2 is a schematic top view of the connection of the unit cells in the battery pack according to the present invention.
Fig. 3 is a schematic perspective view of a single battery.
Fig. 4 is a schematic bottom view of the unit cell.
Fig. 5 is a schematic structural view of the first fixing member.
Fig. 6 is a schematic structural view of the second fixing member.
Fig. 7 is a schematic structural view of a third fixing member.
Detailed Description
As shown in fig. 1 to 7, a battery pack includes a plurality of single batteries 1 stacked horizontally and vertically, each single battery 1 includes a groove body 2 and a groove cover 3 covered with each other, and a positive terminal 4 and a negative terminal 4 extending out of the groove cover 3, adjacent single batteries 1 are connected in series by a wire 5, a clamping groove 22 is formed in a side surface of the groove body 2, adjacent single batteries 1 are connected and fixed by a fixing member 6, and the fixing member 6 includes clamping blocks 64 extending into the clamping grooves 22 of the adjacent single batteries 1.
The clamping groove 22 is composed of protruding strips 21 which are arranged on the side surface of the groove body 2 in pairs along the vertical direction and are also used as reinforcing ribs, and a vertical clamping groove 22 is formed between each pair of protruding strips 21. The single battery 1 is a cuboid, two pairs of raised strips 21 are arranged on the side where the long sides of the groove body 2 are located, and a pair of raised strips 21 are arranged on the side where the short sides are located. The convex strips 21 have the function of reinforcing ribs, so that the structural firmness of the groove body 2 of the single battery 1 is ensured, meanwhile, a clamping groove 22 is formed between each pair of convex strips 21 and matched with the clamping block 64 on the fixing piece 6, and the convex strips 21 protrude out of the side surface of the groove body 2, so that a certain interval is ensured between the adjacent single batteries 1, and the heat dissipation is facilitated.
The top surface of the slot cover 3 has a wiring slot 31 extending laterally from the connection terminal 4 in the lengthwise direction of the unit cell 1, and the lead wires 5 for connecting adjacent unit cells 1 in series are arranged in the wiring slot 31. The wiring terminal 4 comprises a wiring terminal 41 with external threads, two ends of the lead 5 are respectively provided with a wiring sheet 53, the wiring sheet 53 is provided with a wiring hole 54 which is sleeved on the wiring terminal 41, and the wiring terminal 41 is provided with a fixing nut 42 which is matched with the wiring terminal 41 and used for pressing and fixing the wiring sheet 53. The wires 5 are arranged in the wiring grooves 31 without affecting the stacking between the unit batteries 1, and the wiring grooves 31 can also serve as a heat dissipation channel, which is beneficial to the heat dissipation of the batteries. In addition to the wiring groove 31, a wiring groove 32 extending from the terminal 4 to the other two sides and perpendicular to the wiring groove 31 is provided on the top surface of the slot cover 3, and of course, the wire 5 is generally arranged in the wiring groove 31, and the wiring groove 32 serves only as a heat dissipation channel, and of course, the wire 5 may be arranged in the wiring groove 32 as needed. The lead 5 is divided into a linear lead 51 connecting the two horizontally arranged unit batteries 1 and a U-shaped lead 52 connecting the two vertically arranged unit batteries 1.
The fixing member 6 includes three types of a first fixing member 61, a second fixing member 62, and a third fixing member 63. The first fixing member 61 is used for connecting and fixing four single batteries 1 which are arranged in an upper layer and a lower layer, and includes four clamping blocks 64 and first supporting pieces 65, wherein two sides of the first supporting pieces respectively extend into the space between a pair of single batteries arranged in the upper layer and the lower layer during installation. The second fixing member 62 is used for connecting and fixing the two unit batteries 1 arranged up and down, and includes an upper fixture block 64, a lower fixture block 64, and a second support piece 66 extending into the space between the two unit batteries 1 during installation. The third fixing member 63 is used for connecting and fixing two unit batteries 1 arranged horizontally, and includes two fixture blocks 64 distributed horizontally and a positioning block 67 disposed on the tops of the fixture blocks 64 and overlapping with the top surfaces of the fixture grooves 22. The ends of the detents 64 are provided with chamfers 68 to facilitate snapping into the pockets 22. The three types of fixing members 6 are used at different positions, and the first supporting piece 65 and the second supporting piece 66 in the first fixing member 61 and the second fixing member 62 can form a gap between the unit cells 1 stacked up and down, thereby facilitating heat dissipation. Four corners of the bottom surface of the single battery 1 are respectively provided with an anti-skid convex foot 23, and the thickness of the supporting sheet is larger than that of the anti-skid convex feet 23.
A chip placing groove 33 for mounting the chip 7 is arranged in the area between the positive wiring terminal 4 and the negative wiring terminal 4 on the top surface of the groove cover 3, a mounting hole is arranged on the chip 7, and a positioning column 34 penetrating through the mounting hole is arranged on the bottom surface of the chip placing groove 33. The chip 7 can track and record the use condition, the geographic position and the like of the single battery 1, and is convenient for positioning and maintaining the battery. Two glue grooves 35 for pouring red glue and green glue are respectively arranged on the groove cover 3 near the positive wiring terminal 4 and the negative wiring terminal 4.
The storage battery pack has the advantages that the storage battery pack is orderly installed and combined through unique external design in consideration of installation space limitation requirements and the heat dissipation problem of the storage battery pack and in consideration of storage battery combination installation, the series-parallel connection combined storage battery pack is not disordered in wiring and neat in appearance, and the storage battery pack can be freely combined according to installation controls. The single battery cell 1 is convenient to replace, any part is not damaged during maintenance and disassembly, the fittings such as the fixing piece 6 can be used repeatedly, and the problems of combination placement, maintenance and heat dissipation of a large battery pack when the plurality of small-capacity battery cells 1 are used in series-parallel combination are solved. Each single battery 1 is matched with the clamping groove 22 on the side surface of the groove body 2 through the clamping block 64 on the fixing piece 6 to form fixed connection, and the single batteries are stable and not easy to shift. Through above-mentioned structural improvement, through the effective cooperation between each part, it has advantages such as shock resistance can the reinforce.

Claims (9)

1. The utility model provides a storage battery, includes the monomer battery that many levels and vertical stack, every monomer battery is including the cell body and the capping that each other lid closed to and stretch out the positive, negative binding post of capping, use the wire to establish ties between the adjacent monomer battery, its characterized in that, the side of cell body is equipped with the draw-in groove, uses the mounting to connect fixedly between the adjacent monomer battery, the mounting is including stretching into the fixture block in the adjacent monomer battery draw-in groove respectively.
2. The battery pack according to claim 1, wherein the engaging groove is formed by protruding strips which are arranged on the side surface of the casing in pairs in the vertical direction and also serve as reinforcing ribs, and a vertical engaging groove is formed between each pair of protruding strips.
3. The battery pack according to claim 2, wherein the unit cells are rectangular, two pairs of ribs are provided on the side of the long side of the groove, and one pair of ribs are provided on the side of the short side.
4. The battery pack according to claim 1, wherein the top surface of the slot cover has a wiring slot extending laterally from the terminal block, and a lead wire for connecting adjacent unit cells in series is disposed in the wiring slot.
5. The battery pack according to claim 4, wherein the terminal comprises a terminal post with an external thread, two ends of the wire are respectively provided with a terminal plate, the terminal plate is provided with a terminal hole penetrating and sleeved on the terminal post, and the terminal post is provided with a fixing nut matched with the terminal post and used for pressing and fixing the terminal plate.
6. The battery pack according to claim 1, wherein the lead is divided into a linear lead connecting two horizontally arranged unit cells and a U-shaped lead connecting two vertically arranged unit cells.
7. The battery pack of claim 6, wherein the fixing member comprises:
the first fixing piece is used for connecting and fixing four single batteries which are arranged in an upper layer and a lower layer, and comprises four clamping blocks and first supporting pieces, wherein two sides of the first supporting pieces respectively extend into the space between a pair of single batteries arranged in the upper layer and the lower layer during installation;
the second fixing piece is used for connecting and fixing the two single batteries which are arranged up and down and comprises an upper clamping block, a lower clamping block and a second supporting piece which extends into the space between the two single batteries during installation;
and the third fixing piece is used for connecting and fixing two single batteries which are horizontally arranged and comprises two clamping blocks which are horizontally distributed and a positioning block which is arranged on the tops of the clamping blocks and is in lap joint with the top surfaces of the clamping grooves.
8. The battery pack according to claim 1, wherein a chip seating groove for mounting a chip is provided on a region of the top surface of the groove cover between the positive and negative connection terminals, the chip is provided with a mounting hole, and a positioning column penetrating the mounting hole is provided on a bottom surface of the chip seating groove.
9. The battery pack according to claim 1, wherein two glue wells for pouring red and green glue are provided on the well cover near the positive and negative terminals, respectively.
CN201910905702.7A 2019-09-24 2019-09-24 Storage battery pack Active CN110707253B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910905702.7A CN110707253B (en) 2019-09-24 2019-09-24 Storage battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910905702.7A CN110707253B (en) 2019-09-24 2019-09-24 Storage battery pack

Publications (2)

Publication Number Publication Date
CN110707253A true CN110707253A (en) 2020-01-17
CN110707253B CN110707253B (en) 2022-04-29

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Family Applications (1)

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CN201910905702.7A Active CN110707253B (en) 2019-09-24 2019-09-24 Storage battery pack

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100266887A1 (en) * 2007-09-28 2010-10-21 Kabushiki Kaisha Toshiba Battery pack
CN104685663A (en) * 2013-10-01 2015-06-03 株式会社Lg化学 Battery cell and battery module using same
CN107359293A (en) * 2017-07-14 2017-11-17 芜湖华力五星电源科技有限公司 Use formula maintenance-free lead accumulator
CN110048051A (en) * 2019-04-26 2019-07-23 浙江悦达塑业股份有限公司 The accumulator housing of combined and spliced formula
CN110120480A (en) * 2019-04-23 2019-08-13 深圳市华宝新能源股份有限公司 Battery modules shell and battery modules

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100266887A1 (en) * 2007-09-28 2010-10-21 Kabushiki Kaisha Toshiba Battery pack
CN104685663A (en) * 2013-10-01 2015-06-03 株式会社Lg化学 Battery cell and battery module using same
CN107359293A (en) * 2017-07-14 2017-11-17 芜湖华力五星电源科技有限公司 Use formula maintenance-free lead accumulator
CN110120480A (en) * 2019-04-23 2019-08-13 深圳市华宝新能源股份有限公司 Battery modules shell and battery modules
CN110048051A (en) * 2019-04-26 2019-07-23 浙江悦达塑业股份有限公司 The accumulator housing of combined and spliced formula

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