CN113745674B - Energy storage power station battery pack parallel management system - Google Patents
Energy storage power station battery pack parallel management system Download PDFInfo
- Publication number
- CN113745674B CN113745674B CN202111030347.7A CN202111030347A CN113745674B CN 113745674 B CN113745674 B CN 113745674B CN 202111030347 A CN202111030347 A CN 202111030347A CN 113745674 B CN113745674 B CN 113745674B
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- clamping piece
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- mounting bracket
- negative electrode
- energy storage
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- 238000004146 energy storage Methods 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
- H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a parallel management system for battery packs of energy storage power stations, and mainly relates to the field of energy storage power station management. The energy storage power station battery pack parallel management system comprises a frame body, wherein the frame body is provided with a plurality of layers of placing tables, and a plurality of groups of battery packs are placed on the placing tables in an array manner; the wiring end of battery package sets up the wiring shell, set up anodal clamping piece and negative pole clamping piece in the wiring shell, every layer lay the equal installation spout of bench top, slide in the spout and set up the mounting bracket, the mounting bracket bottom sets up the connector lug, set up on the connector lug with anodal clamping piece corresponding anodal splicing and with negative pole clamping piece corresponding negative pole splicing, set up parallel circuit in the mounting bracket, mounting bracket one side sets up power unit, power unit is used for driving the mounting bracket and slides in the spout. The invention has the beneficial effects that: the invention can mechanically disconnect the battery pack, ensure the safety of the battery pack in a standby state and avoid unnecessary electric quantity loss.
Description
Technical Field
The invention mainly relates to the field of energy storage power station management, in particular to a parallel management system for battery packs of an energy storage power station.
Background
The energy storage power station can effectively solve unbalance of electric power in time and space. The application of the energy storage power station technology is throughout all links of power generation, transmission, distribution and power utilization of the power system. The peak clipping and valley filling of the power system, the renewable energy power generation fluctuation smoothing and tracking plan processing and the efficient system frequency modulation are realized, and the power supply reliability is improved. The energy storage unit in the energy storage power station is a battery pack, and the battery packs are connected in parallel and then connected into the power transmission line to serve as an electric energy storage unit for peak clipping and valley filling of the power transmission line.
All battery packs of the energy storage power station do not operate simultaneously, and under normal conditions, a part of battery packs are in a standby state, and the battery packs in the standby state need to be mechanically disconnected, so that the battery is prevented from being damaged by unstable voltage, and the battery packs in the long-time wiring state are prevented from generating electric quantity loss.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a battery pack parallel management system of an energy storage power station, which can mechanically disconnect a battery pack, thereby ensuring the safety of the battery pack in a standby state and avoiding unnecessary electric quantity loss.
The invention aims to achieve the aim, and the aim is achieved by the following technical scheme:
The energy storage power station battery pack parallel management system comprises a frame body, wherein the frame body is provided with a plurality of layers of placing tables, and a plurality of groups of battery packs are placed on the placing tables in an array manner; the wiring terminal of the battery pack is provided with a wiring shell, an anode clamping piece and a cathode clamping piece are arranged in the wiring shell, the anode clamping piece and the cathode clamping piece are elastic clamping pieces, and an opening is formed in one side, facing the vertical line of the anode clamping piece and the cathode clamping piece, of the anode clamping piece; every layer lay the spout all is installed at the bench top, slide in the spout and set up the mounting bracket, the mounting bracket bottom sets up the connector lug, set up on the connector lug with the anodal splicing corresponding of anodal clamping piece and with the negative pole splicing corresponding of negative pole clamping piece, set up parallel circuit in the mounting bracket, parallel circuit will every the connector lug is parallelly connected, mounting bracket one side sets up power unit, power unit is used for driving the mounting bracket and slides in the spout.
The wiring terminal outside at battery package top sets up the boss, the anodal terminal of battery package and negative electrode terminal all surpass the height of boss, wiring shell bottom sets up the slide, slide and boss slidable mounting, anodal clamping piece bottom is inconsistent with anodal terminal, negative electrode clamping piece is inconsistent with negative electrode terminal.
The wiring shell is symmetrically provided with a pair of clamping piece chambers, the positive clamping piece and the negative clamping piece are both Y-shaped, and the positive clamping piece and the negative clamping piece are symmetrically arranged in the two clamping piece chambers; the bottom metal sheets of the positive electrode clamping piece and the negative electrode clamping piece are elastic sheets, and after the wiring shell and the lug boss are installed, the metal sheets at the bottom of the positive electrode clamping piece are tightly contacted with the positive electrode terminal, and the metal sheets at the bottom of the negative electrode clamping piece are tightly contacted with the negative electrode terminal.
The top parts of the positive electrode clamping piece and the negative electrode clamping piece are equally divided into two metal sheets, and the distance between the two metal sheets is smaller than the distance between the two ends.
And a fastening bolt is arranged on one side of the clamping piece chamber in a threaded manner, and the tail end of the fastening bolt is in contact with the metal sheet on the side.
The fastening bolt is made of insulating materials.
The positive electrode tab and the negative electrode tab are in a blade shape towards one end of the junction shell.
The power mechanism is one of a cylinder, a screw motor and an electromagnet.
A plurality of the mounting bracket both sides all are connected with the bracing piece for a plurality of the mounting bracket linkage, a plurality of the mounting bracket sharing same power unit.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, through designing the battery pack parallel structure of the energy storage power station, the parallel connection lines of the battery packs can be mechanically disconnected at the same time through the power mechanism, when the battery packs are in idle and standby states, the battery pack wiring can be disconnected to prevent the damage of voltage fluctuation of the power transmission line to the battery packs, and meanwhile, the line is thoroughly disconnected, so that the loss of electric quantity in the battery packs can be effectively avoided, and the electric quantity in the battery packs can be ensured even if the battery packs are not used for a long time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention in a front view;
FIG. 2 is a schematic view of the structure of the three-dimensional view angle of the invention;
FIG. 3 is a schematic view of the battery pack structure of the present invention;
FIG. 4 is a schematic diagram of the rear view of the battery pack of the present invention;
FIG. 5 is a schematic view of a first perspective view of the junction housing of the present invention;
FIG. 6 is a schematic view of a second perspective view of the junction housing of the present invention;
FIG. 7 is a schematic view of the structure of the clip of the present invention;
FIG. 8 is a schematic view of the partial enlarged construction of the A part of the present invention;
FIG. 9 is a schematic view of the present invention in a partially enlarged configuration of section B;
The reference numbers shown in the drawings: 1. a frame body; 11. a placement table; 12. a battery pack; 13. a boss; 2. a terminal housing; 21. a positive electrode clamping piece; 22. a negative electrode clip; 23. an opening; 24. a slideway; 25. a clip chamber; 26. a fastening bolt; 3. a chute; 4. a mounting frame; 5. a connector lug; 51. a positive electrode tab; 52. a negative electrode tab; 6. a power mechanism.
Detailed Description
The application will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the application, and equivalents thereof fall within the scope of the application as defined by the claims.
Example 1:
As shown in fig. 1-9, the parallel management system for battery packs of an energy storage power station comprises a frame body 1, wherein the frame body 1 is formed by riveting aluminum alloy pipes and plates, the frame body 1 is provided with a plurality of layers of placing tables 11, and a plurality of groups of battery packs 12 are placed on the placing tables 11 in an array manner. The battery pack 12 is fastened to the table top by screws in this embodiment.
The top of the battery pack 12 is provided with a positive terminal and a negative terminal of the battery, the wiring shell 2 is arranged at the terminal of the battery pack 12, the positive clamping piece 21 and the negative clamping piece 22 are arranged in the wiring shell 2, the positive clamping piece 21 is connected with the positive terminal, and the negative clamping piece 22 is connected with the negative terminal.
The positive electrode clamping piece 21 and the negative electrode clamping piece 22 are elastic clamping pieces, and an opening 23 is formed in one side, perpendicular to the connecting line, of the positive electrode clamping piece 21 and the negative electrode clamping piece 22; the opening 23 exposes the positive electrode clip 21 and the negative electrode clip 22 as a wiring port.
And the top of each layer of placing table 11 is provided with a sliding groove 3, a mounting frame 4 is arranged in the sliding groove 3 in a sliding manner, and the mounting frame 4 is used as an operating component for mechanically disconnecting a parallel circuit of the battery pack. Specifically, a plurality of connector lugs 5 are installed at the bottom of the installation frame 4, and the connector lugs 5 are in one-to-one correspondence with the connector lug shells 2. The connector lug 5 is provided with a positive electrode tab 51 corresponding to the positive electrode clamping piece 21 and a negative electrode tab 52 corresponding to the negative electrode clamping piece 22, when the mounting frame 4 moves to the on position, the positive electrode tab 51 is clamped in the positive electrode clamping piece 21, and the negative electrode tab 52 is clamped in the negative electrode clamping piece 22 to complete line intervention of the battery pack.
And wires are arranged in the mounting frame 4, and parallel circuits are arranged. The parallel circuit connects each connector lug 5 in parallel, a power mechanism 6 is arranged on one side of the mounting frame 4, and the power mechanism 6 is used for driving the mounting frame 4 to linearly move in the sliding groove 3. The power mechanism 6 can be one of a cylinder, a screw motor and an electromagnet, and preferably, the embodiment adopts a servo screw motor to drive the movement of the mounting frame 4. When the servo lead screw motor drives the mounting frame 4 to be far away from the battery pack, the connection sheet releases contact with the clamping sheet to realize mechanical disconnection of the battery pack, and when the servo lead screw motor drives the mounting frame 4 to be close to the battery pack, the connection sheet card is connected into the clamping sheet to realize connection of the battery pack.
In order to ensure the stability of the mechanical access circuit of the battery pack, the following structural design is carried out on the junction line shell 2: the terminal outside integrated into one piece at battery package 12 top has boss 13, positive terminal and negative terminal of battery package 12 all surpass the height of boss 13, wiring shell 2 bottom has slide 24, slide 24 and boss 13 slidable mounting. The wiring shell 2 is symmetrically provided with a pair of clamping piece chambers 25, and the main food viewing angles of the positive clamping piece 21 and the negative clamping piece 22 are Y-shaped, and the overlooking viewing angles of the positive clamping piece and the negative clamping piece are two opposite C-shaped. The top parts of the positive electrode clamping piece 21 and the negative electrode clamping piece 22 are equally divided into two metal sheets, and the distance between the two metal sheets is smaller than the distance between the two ends, so that the positive electrode splicing piece 51 and the negative electrode splicing piece 52 can be clamped by utilizing a narrow space in the middle. The positive electrode clamping piece 21 and the negative electrode clamping piece 22 are symmetrically arranged in the two clamping piece chambers 25. Specifically, the bottom metal sheets of the positive electrode clamping piece 21 and the negative electrode clamping piece 22 are elastic sheets, and the bottom metal sheets are fixed in the clamping piece chamber 25 through screws. When the terminal housing 2 is mounted on the boss 13, the metal sheet at the bottom of the positive electrode clamping piece 21 is tightly contacted with the positive electrode terminal, and the metal sheet at the bottom of the negative electrode clamping piece 22 is tightly contacted with the negative electrode terminal, so that the bottom of the positive electrode clamping piece 21 is abutted against the positive electrode terminal, and the negative electrode clamping piece 22 is abutted against the negative electrode terminal.
Further, in order to ensure the clamping effect of the positive electrode clamping piece 21 and the negative electrode clamping piece 22 on the connecting piece, a fastening bolt 26 is installed on one side of the clamping piece chamber 25 in a threaded manner, and the tail end of the fastening bolt 26 is abutted against the metal sheet on the side. The angle between the positive electrode clamping piece 21 and the negative electrode clamping piece 22 can be adjusted by screwing the fastening bolt 26, so that the wiring effect of the battery pack connected in is guaranteed. Specifically, the fastening bolt 26 is made of an insulating material, so as to avoid an accident caused by false touch.
To ensure stable insertion of the positive and negative electrode tabs 51, 52 when the positive and negative electrode tabs 21, 22 are inserted, the ends of the positive and negative electrode tabs 51, 52 facing the terminal shell 2 are blade-shaped, i.e., the front ends of the positive and negative electrode tabs 51, 52 gradually increase in thickness from the rear end. The positive electrode clamping piece 21 and the negative electrode clamping piece 22 which are wide in the front and narrow in the back of the gap are matched, so that stable butt joint of the connecting piece and the clamping piece can be realized, and the stability of battery pack access is ensured.
Example 2:
for example 1, the frame 1 in this example has 5 layers, and three rows and ten columns of thirty groups of battery packs are disposed on the placement table 11 of each layer. A plurality of mounting bracket 4 both sides all are connected with the bracing piece for a plurality of mounting bracket 4 linkage, a plurality of mounting bracket 4 share same power unit 6. In this example, the power mechanism 6 (servo screw driving motor) is fixed on the bottom surface of the placement table 11 of the middle layer through a bolt, a motor shaft of the servo screw driving motor is connected with a screw through a coupling, a screw nut is matched and installed on the screw, the screw nut is fixed on the mounting frame 4 of the layer through a screw, and the screw nut is driven to displace in the linear direction through the rotation of the servo screw driving motor, so that the movement of the mounting frame 4 is precisely driven.
When the servo screw rod driving motor drives the mounting frame 4 to be far away from the battery pack, the positive electrode connecting sheet 51 and the negative electrode connecting sheet 52 are separated from contact with the positive electrode clamping sheet 21 and the negative electrode clamping sheet 22, so that the mechanical disconnection of the parallel battery pack is realized, the damage caused by the voltage change of a power grid of the battery pack is ensured under the standby state, the complete disconnection of the circuit of the battery pack is ensured, and the loss of electric energy is avoided. When the servo screw rod driving motor drives the mounting frame 4 to be close to the battery pack, the positive electrode tab 51 and the negative electrode tab 52 are in clamping contact with the positive electrode clamping piece 21 and the negative electrode clamping piece 22 again, so that the parallel connection of the battery pack is realized.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The energy storage power station battery pack parallel management system comprises a frame body (1), wherein the frame body (1) is provided with a plurality of layers of placing tables (11), and a plurality of groups of battery packs (12) are placed on the placing tables (11) in an array manner; the method is characterized in that: the wiring terminal of the battery pack (12) is provided with a wiring shell (2), a positive electrode clamping piece (21) and a negative electrode clamping piece (22) are arranged in the wiring shell (2), the positive electrode clamping piece (21) and the negative electrode clamping piece (22) are elastic clamping pieces, and an opening (23) is formed in one side, perpendicular to the wiring, of the positive electrode clamping piece (21) and the negative electrode clamping piece (22); each layer of placing table (11) top all installs spout (3), spout (3) slip sets up mounting bracket (4), mounting bracket (4) bottom sets up connector lug (5), set up positive pole tab (51) corresponding with positive pole clamping piece (21) and negative pole tab (52) corresponding with negative pole clamping piece (22) on connector lug (5), set up parallel circuit in mounting bracket (4), parallel circuit will every connector lug (5) are parallelly connected, mounting bracket (4) one side sets up power unit (6), power unit (6) are used for driving mounting bracket (4) to slide in spout (3); the battery pack is characterized in that a boss (13) is arranged on the outer side of a wiring end at the top of the battery pack (12), the positive electrode terminal and the negative electrode terminal of the battery pack (12) exceed the height of the boss (13), a slide way (24) is arranged at the bottom of the wiring shell (2), the slide way (24) is slidably mounted with the boss (13), the bottom of the positive electrode clamping piece (21) is in contact with the positive electrode terminal, and the negative electrode clamping piece (22) is in contact with the negative electrode terminal; a pair of clamping piece chambers (25) are symmetrically arranged on the wiring shell (2), the positive clamping piece (21) and the negative clamping piece (22) are both Y-shaped, and the positive clamping piece (21) and the negative clamping piece (22) are symmetrically arranged in the two clamping piece chambers (25); the bottom metal sheets of the positive electrode clamping piece (21) and the negative electrode clamping piece (22) are elastic sheets, and after the wiring shell (2) is installed with the boss (13), the metal sheets at the bottom of the positive electrode clamping piece (21) are tightly contacted with the positive electrode terminal, and the metal sheets at the bottom of the negative electrode clamping piece (22) are tightly contacted with the negative electrode terminal; the tops of the positive electrode clamping piece (21) and the negative electrode clamping piece (22) are equally divided into two metal sheets, and the distance between the two metal sheets is smaller than the distance between the two ends.
2. The energy storage power station battery pack parallel management system of claim 1, wherein: a fastening bolt (26) is arranged on one side of the clamping piece chamber (25) in a threaded mode, and the tail end of the fastening bolt (26) is abutted against the metal sheet on the side.
3. The energy storage power station battery pack parallel management system according to claim 2, wherein: the fastening bolt (26) is made of insulating material.
4. The energy storage power station battery pack parallel management system of claim 1, wherein: the positive electrode tab (51) and the negative electrode tab (52) are blade-shaped toward one end of the terminal shell (2).
5. The energy storage power station battery pack parallel management system of claim 1, wherein: the power mechanism (6) is one of a cylinder, a screw motor and an electromagnet.
6. The energy storage power station battery pack parallel management system of claim 1, wherein: a plurality of mounting bracket (4) both sides all are connected with the bracing piece for a plurality of mounting bracket (4) linkage, a plurality of mounting bracket (4) share same power unit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111030347.7A CN113745674B (en) | 2021-09-03 | 2021-09-03 | Energy storage power station battery pack parallel management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111030347.7A CN113745674B (en) | 2021-09-03 | 2021-09-03 | Energy storage power station battery pack parallel management system |
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| CN113745674A CN113745674A (en) | 2021-12-03 |
| CN113745674B true CN113745674B (en) | 2024-05-28 |
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| CN109720749A (en) * | 2017-10-31 | 2019-05-07 | 比亚迪股份有限公司 | Energy storage container system |
| CN207896188U (en) * | 2018-03-26 | 2018-09-21 | 陈建道 | A kind of connecting terminal and battery case applied to battery case |
| CN208045579U (en) * | 2018-04-04 | 2018-11-02 | 浙江欧麦特电子有限公司 | A kind of inlaying grafting battery box |
| WO2020043118A1 (en) * | 2018-08-29 | 2020-03-05 | 奥动新能源汽车科技有限公司 | Battery pack and support unit thereof, liquid-cooled insertion assembly and device thereof, and electric vehicle |
| DE102018007919A1 (en) * | 2018-10-08 | 2020-04-09 | Lei Shen | Modular energy storage with parallel sounded battery strings |
| DE202018106768U1 (en) * | 2018-11-28 | 2020-03-02 | Bmz Batterien-Montage-Zentrum Gmbh | Energy storage that can be attached to a transport vehicle such as a cargo bike, a hand truck or the like, and an accumulator therefor |
| US10938221B1 (en) * | 2020-06-02 | 2021-03-02 | Inventus Power, Inc. | Large-format battery management system with limp home mode |
| CN111933848A (en) * | 2020-07-30 | 2020-11-13 | 国网甘肃省电力公司电力科学研究院 | Battery grouping system based on energy storage technology |
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