CN210296484U - Energy storage battery pack - Google Patents
Energy storage battery pack Download PDFInfo
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- CN210296484U CN210296484U CN201921037448.5U CN201921037448U CN210296484U CN 210296484 U CN210296484 U CN 210296484U CN 201921037448 U CN201921037448 U CN 201921037448U CN 210296484 U CN210296484 U CN 210296484U
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- energy storage
- storage battery
- connecting strip
- battery
- strip body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an energy storage battery pack, which comprises a plurality of battery units connected in series, wherein each battery unit is formed by connecting a plurality of battery monomers in parallel, the battery units and the battery monomers are connected through connecting strips, each connecting strip comprises a strip-shaped connecting strip body, the connecting strip body is provided with connecting holes matched with battery wiring terminals, and the connecting strip body is partially coated with an insulating film between adjacent connecting holes; the energy storage battery pack further comprises an insulating sheath which covers the battery wiring terminal and the part of the connecting strip body, which is positioned at the connecting hole. The utility model discloses an energy storage battery group can guarantee to do the insulation by furthest when the system normal operating to greatly reduced staff is the electric shock accident when operation maintenance.
Description
Technical Field
The utility model belongs to the technical field of the battery technique and specifically relates to an energy storage battery group is related to.
Background
With the development of new energy, solutions such as an intelligent micro-grid and the like are evolved in recent years, wherein an energy storage part is the core of the whole set of system and is also a bridge combining the new energy and a conventional power grid. At present, two types of energy storage batteries widely applied to the market are provided, one type is a lithium battery energy storage system, and the other type is a lead carbon energy storage system.
In order to increase the capacity of the energy storage battery, a plurality of battery cells are generally connected in parallel to form a battery module, and then the battery modules are connected in series to form an energy storage battery pack. In the series connection and parallel connection processes, the wiring terminals are connected through copper bars.
Chinese patent publication No. CN201741758U discloses a battery pack for an energy storage system, which includes an electrical box and a plurality of batteries or battery modules accommodated in the electrical box, wherein the electrical box is provided with support grids, and partition boards are provided on the corresponding support grids.
Chinese patent publication No. CN208045651U discloses a multi-type battery pack and an energy storage system applied thereto, the multi-type battery pack including: a plurality of batteries, at least two of the plurality of batteries having different discharge characteristics; and a plurality of battery connectors disposed at the positive and negative electrodes of the plurality of batteries to connect the plurality of batteries in series or in parallel with each other.
In the prior art, the batteries are connected in series and/or in parallel through the conductive metal plates or the wires, and other extra insulation protection is not performed, so that certain safety risk exists.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an energy storage battery group guarantees can furthest do insulating, protection personal safety when the system normal operating.
An energy storage battery pack comprises a plurality of battery units connected in series, each battery unit is formed by connecting a plurality of battery monomers in parallel, the battery units and the battery monomers are connected through connecting strips, each connecting strip comprises a strip-shaped connecting strip body, connecting holes matched with battery wiring terminals are formed in the connecting strip bodies, and insulating films are coated on the parts, between the adjacent connecting holes, of the connecting strip bodies; the energy storage battery pack further comprises an insulating sheath which covers the battery wiring terminal and the part of the connecting strip body, which is positioned at the connecting hole.
In order to allow a certain error when the connecting strip body and the connecting terminal are installed in a matched mode, and therefore installation is convenient, the connecting holes are kidney-shaped holes distributed along the axial direction of the connecting strip body.
The insulating film is a heat-shrinkable film, and the heat-shrinkable film is required to be a flame-retardant material.
In order to distinguish the relation between the positive electrode and the negative electrode, the connecting strip body is coated with a red insulating film between the two positive electrode wiring terminals, a blue insulating film is coated between the two negative electrode wiring terminals, a red insulating film is coated between the positive electrode wiring terminals and the negative electrode wiring terminals and close to the positive electrode, and a blue insulating film is coated between the positive electrode wiring terminals and the negative electrode wiring terminals and close to the negative electrode.
The insulating sheath comprises a containing groove for containing the wiring terminal, and the side wall of the containing groove is provided with an extending part extending along the connecting strip body.
The extension portion covers part of the insulating film, so that the connecting bar body and the terminal portion are completely covered in an insulating mode.
When the connecting strip extending direction mutually perpendicular of binding post both sides, the holding tank be equipped with the extension at the lateral wall towards one of them connecting strip extending direction, set up the mouth of dodging that is used for dodging the connecting strip body towards the lateral wall of another connecting strip extending direction.
And a BMS data acquisition line mounting port is arranged on the connecting strip.
The utility model discloses an at the insulating sheath of every binding post department installation independent design, insulating sheath simple to operate guarantees can furthest do insulating when the system normal operating.
Drawings
FIG. 1 is a schematic view of a connecting strip for parallel connection in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a connecting strip for parallel operation in an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic view of a connecting strip for series connection in an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a connecting strip for series connection in an embodiment of the invention;
fig. 6 is a schematic structural view of an insulating sheath according to an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following figures and examples, which are intended to facilitate the understanding of the invention without limiting it.
In the embodiment, as an example, 6 12V80AH lead-carbon batteries are connected in parallel, so that the function of balancing the electric energy among the batteries in the battery pack is realized, and the number of the BMS acquisition modules can be reduced, thereby reducing the cost.
The energy storage battery pack in the embodiment comprises a plurality of battery units connected in series, wherein each battery unit is formed by connecting 6 battery monomers in parallel. The battery units are connected in series by the connecting bars shown in fig. 4 and 5, and the 6 battery cells are connected in parallel by the connecting bars shown in fig. 1 to 3.
As shown in fig. 1 to 3, the connecting strip 1 for parallel connection comprises a strip-shaped connecting strip body 2, the connecting strip body 2 is made of copper, connecting holes 4 matched with the battery connecting terminals are formed in the connecting strip body 2, and an insulating film 3 covers between the adjacent connecting holes 4 of the connecting strip body 2; the connecting strip 1 is provided with six connecting holes 4 which correspond to the connecting terminals of six single batteries respectively, and in the embodiment, the connecting holes 4 are waist-shaped holes which are beneficial to installation.
As shown in fig. 2, the middle protruding part is a certain safety distance from the battery rack, and the connecting strip body 2 is further provided with a BMS data acquisition line mounting port 5.
As shown in fig. 4 and 5, two connection holes 4 are formed in the connection strip for connecting in series, the exterior of the connection strip body 2 is also coated with an insulating film 3, and the two connection holes 4 are respectively matched with the connection terminals of the positive electrode and the negative electrode during installation.
The insulating film 3 is a heat-shrinkable film made of a flame-retardant material, the color of the heat-shrinkable film on the connecting strip connected with the anode of the battery is red, and the color of the heat-shrinkable film on the connecting strip connected with the cathode of the battery is blue.
An insulating sheath 6 is further provided on the terminal of the battery, as shown in fig. 6, which is a structure of one of the insulating sheaths in this embodiment, and is suitable for a situation where the extending directions of the connecting strips on both sides of the terminal are perpendicular to each other, and includes an accommodating groove 61 for accommodating the terminal, the accommodating groove 61 is provided with an extending portion 63 on a side wall facing the extending direction of one of the connecting strips, and an avoiding opening 62 for avoiding the body of the connecting strip is provided on a side wall facing the extending direction of the other connecting strip.
In this embodiment, the extending directions of the connecting bars are perpendicular to each other, and correspond to the case where the connecting bar shown in fig. 1 and the connecting bar shown in fig. 4 are mounted on one terminal, and at this time, the connecting bar mounted at the lower portion passes through the extending portion 63, and the connecting bar mounted at the upper portion passes through the avoiding opening 62. The insulating sheath 6 is made of flexible material.
The insulating sheath can also be in other structures, for example, on the connecting terminals connected in parallel, the connecting strip is as shown in fig. 1, the insulating sheath installed on the connecting terminals does not avoid the opening, but the two opposite side walls are respectively provided with an extending part, and the extending parts are in a semi-surrounding structure, so that the insulating sheath can be installed after the connecting strip is installed.
The utility model discloses a set up special insulating sheath, can guarantee after the energy storage group battery has installed that no metal exposes to greatly reduced staff is the electric shock accident when operation maintenance. In the practical application process, after the two microgrid energy storage projects are put into operation, the effect is good.
The above-mentioned embodiment is to the technical solution and the beneficial effects of the present invention have been described in detail, it should be understood that the above is only the specific embodiment of the present invention, not used for limiting the present invention, any modification, supplement and equivalent replacement made within the principle scope of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an energy storage battery group, includes a plurality of series connection's battery cell, and every battery cell is parallelly connected by a plurality of battery monomer and forms, all connects its characterized in that through the connecting strip between the battery cell and between the battery monomer:
the connecting strip comprises a strip-shaped connecting strip body, connecting holes matched with the battery wiring terminals are formed in the connecting strip body, and insulating films are coated on the parts, between the adjacent connecting holes, of the connecting strip body; the energy storage battery pack further comprises an insulating sheath which covers the battery wiring terminal and the part of the connecting strip body, which is positioned at the connecting hole.
2. The energy storage battery pack as claimed in claim 1, wherein the connection holes are kidney-shaped holes distributed along the axial direction of the connection strip body.
3. The energy storage battery of claim 1, wherein the insulating film is a heat shrink film.
4. The energy storage battery pack of claim 3, wherein the connector strip body is coated with a red insulating film between the two positive terminals, a blue insulating film between the two negative terminals, a red insulating film between the positive and negative terminals adjacent the positive terminals, and a blue insulating film adjacent the negative terminals.
5. The energy storage battery pack of claim 1, wherein the insulative sheath includes a receiving groove for receiving the terminal, a side wall of the receiving groove having an extension extending along the connector strip body.
6. The energy storage battery pack according to claim 5, wherein when the extending directions of the connecting strips on both sides of the terminal are perpendicular to each other, the receiving groove is provided with an extending portion on a side wall facing the extending direction of one of the connecting strips, and an avoiding opening for avoiding the connecting strip body is provided on a side wall facing the extending direction of the other connecting strip.
7. The energy storage battery pack of claim 1, wherein the connection strip is provided with a BMS data acquisition line mounting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921037448.5U CN210296484U (en) | 2019-07-04 | 2019-07-04 | Energy storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921037448.5U CN210296484U (en) | 2019-07-04 | 2019-07-04 | Energy storage battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210296484U true CN210296484U (en) | 2020-04-10 |
Family
ID=70100553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921037448.5U Active CN210296484U (en) | 2019-07-04 | 2019-07-04 | Energy storage battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210296484U (en) |
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2019
- 2019-07-04 CN CN201921037448.5U patent/CN210296484U/en active Active
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