CN217215003U

CN217215003U - Energy storage battery PACK adopting flexible electric connection

Info

Publication number: CN217215003U
Application number: CN202122325769.9U
Authority: CN
Inventors: 郑昌龙
Original assignee: Anhui Tianshang Cleaning Energy Technology Co ltd
Current assignee: Anhui Tianshang Cleaning Energy Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-08-16
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to an energy storage battery PACK adopting flexible electric connection, which belongs to the technical field of energy storage batteries, and comprises an energy storage PACK lower shell and a front end panel arranged at one end of the energy storage PACK lower shell, wherein a mounting port is arranged at one side of the energy storage PACK, and the mounting port is detachably and hermetically connected with an energy storage PACK upper cover; the inner side of the lower shell of the energy storage PACK is provided with a plurality of battery modules, wherein the battery modules comprise a battery module A and a battery module B which are adjacent, the anode of the battery module A and the cathode of the battery module B are positioned on one side far away from the front panel and are electrically connected in series through a first soft copper bar; the negative pole of battery module A and the positive pole of battery module B are close to the front end panel, and respectively in the front end panel passes through the soft copper of second and arranges electric connection respectively. Through the first soft copper bar and the second soft copper bar that set up, avoid the rigid connection of traditional copper bar or wire, can suitably adjust the mounted position, realize installing in limited space, practice thrift installation and operating space.

Description

Energy storage battery PACK adopting flexible electric connection

Technical Field

The utility model belongs to the technical field of the energy storage battery, concretely relates to energy storage battery PACK who adopts flexible electricity to connect.

Background

With the popularization of new energy in China, batteries are more and more widely applied in life and industry. In the application of a large energy storage system, the expansion of the capacity and power characteristics of the energy storage system needs to be realized by connecting the single batteries in parallel or in series so as to support the application of large current.

At present, it is common practice to package the single cells into battery modules, and the battery modules are electrically connected through wires or hard copper bars to meet the requirements of expanding capacity or increasing voltage. In the lapping process of the copper bar or the lead, the errors of the level and the relative distance of the two lapping surfaces are required to be extremely small, so that the lapping surfaces can be completely contacted without leaving a gap. Therefore, the precision of processing and mounting of the components is required to be high. Moreover, during the in-service use, along with the operation of equipment, because the copper bar relative distance is fixed, expend with heat and contract with cold probably leads to the copper bar contact surface to appear the clearance to the connecting resistance grow that leads to the tie point produces huge calorific capacity, influences energy storage battery system's reliability and security.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model aims to provide an adopt energy storage battery PACK of flexible electricity connection, through the first soft copper bar and the soft copper bar of second that set up, avoid the rigid connection of traditional copper bar or wire, can suitably adjust the mounted position, realize installing in limited space, practice thrift installation and operating space.

In order to realize the purpose of the utility model, the utility model provides a technical scheme as follows:

an energy storage battery PACK adopting flexible electric connection comprises an energy storage PACK lower shell and a front panel arranged at one end of the energy storage PACK lower shell, wherein a mounting opening is formed in one side surface of the energy storage PACK, and an energy storage PACK upper cover is detachably and hermetically connected to the mounting opening; the inner side of the lower shell of the energy storage PACK is provided with a plurality of battery modules, wherein the battery modules comprise a battery module A and a battery module B which are adjacent, the anode of the battery module A and the cathode of the battery module B are positioned on one side far away from the front panel and are electrically connected in series through a first soft copper bar; the negative pole of battery module A and the positive pole of battery module B are close to the front end panel, and respectively in the front end panel is respectively through the soft copper bar electric connection of second.

Preferably, the front panel is provided with a positive socket and a negative socket at intervals, the positive socket and the negative socket penetrate through the front panel, and two ends of the positive socket and the negative socket are respectively positioned on two side surfaces of the front panel; the positive socket is connected with the positive pole of the battery module B, and the negative socket is connected with the negative pole of the battery module A.

Preferably, the first soft copper bar and/or the second soft copper bar comprise plate-shaped flexible area plates and welding area plates located at two ends of each flexible area plate, each welding area plate is L-shaped, and a mounting hole is formed in one end, far away from each flexible area plate, of each welding area plate.

Preferably, the flexible area plate is wrapped with an insulation sleeve.

Preferably, the operation handle is provided at an interval on the upper side of the front panel.

Preferably, the heat dissipation hole is opened to the one end that the casing kept away from under the energy storage PACK preceding terminal plate.

The utility model provides an energy storage battery PACK adopting flexible electric connection, which avoids the rigid connection of traditional copper bars or wires through a first soft copper bar and a second soft copper bar, can properly adjust the installation position, realizes the installation in a limited space, and saves the installation and operation space; the positive high-voltage socket and the negative high-voltage socket are connected by adopting flexible copper bars, so that the copper bar fixing device can adapt to two faying surfaces with different horizontal planes and different distances to a certain extent, the position of the copper bar does not need to be adjusted repeatedly during installation, and the installation efficiency and the installation precision are improved; the flexible soft copper bars are used for connection, mounting holes in the flexible soft copper bars do not need to be provided with waist holes to absorb tolerance, and manufacturing and assembling tolerance is absorbed by flexible areas of the soft copper bars. The flexible soft copper bar is wrapped by a thermal shrinkage insulating sleeve (non-thermal compression welding area), so that the insulating property of the connecting piece can be improved, the flexible connection property can prevent the flexible copper bar from being affected by thermal expansion and cold contraction in the operation process, and the service life is prolonged.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an energy storage battery PACK using flexible electrical connection according to the present invention;

fig. 2 is a schematic diagram of connection between a protruding battery module and a soft copper bar in an energy storage battery PACK using flexible electrical connection according to the present invention;

fig. 3 is the utility model discloses an adopt the schematic diagram of outstanding second soft copper bar in the energy storage battery PACK of flexible electricity connection.

Reference numbers in the figures:

100. an energy storage PACK lower shell; 110. an installation port; 120. heat dissipation holes;

200. a front panel; 210. a positive electrode socket; 220. a negative socket; 230. an operating handle;

300. an energy storage PACK upper cover;

400. a battery module; 410. a battery module A; 420. a battery module B;

500. a first soft copper bar;

600. a second soft copper bar; 610. a flexible area plate; 620. welding the zone plates; 621. and (7) installing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

The utility model provides an energy storage battery PACK adopting flexible electric connection, which is shown in the figure 1-figure 3 and comprises an energy storage PACK lower shell 100 and a front panel 200 arranged at one end of the energy storage PACK lower shell 100, wherein a mounting port 110 is arranged at one side surface of the energy storage PACK, and an energy storage PACK upper cover 300 is detachably and hermetically connected at the mounting port 110; the inner side of the energy storage PACK lower shell 100 is provided with a plurality of battery modules 400, wherein the battery modules 400 comprise a battery module A410 and a battery module B420 which are adjacent, the positive pole of the battery module A410 and the negative pole of the battery module B420 are positioned on one side far away from the front panel 200 and are electrically connected in series through a first soft copper bar 500; the cathode of the battery module a410 and the anode of the battery module B420 are close to the front panel 200, and are electrically connected to the front panel 200 through the second soft copper bar 600.

The front panel 200 is provided with a positive socket 210 and a negative socket 220 at intervals, the positive socket 210 and the negative socket 220 penetrate through the front panel 200, and two ends of the positive socket 210 and two ends of the negative socket are respectively located on two side surfaces of the front panel 200. The positive socket 210 is connected to the positive electrode of the battery module B420, and the negative socket 220 is connected to the negative electrode of the battery module a 410.

The first soft copper bar 500 and/or the second soft copper bar 600 comprise a plate-shaped flexible area plate 610 and welding area plates 620 located at two ends of the flexible area plate 610, the welding area plates 620 are in an L shape, and one ends, far away from the flexible area plate 610, of the welding area plates 620 are provided with mounting holes 621. Through the arrangement of the first soft copper bar 500 and the second soft copper bar 600, the hard connection of the traditional copper bars or wires is avoided, the installation position can be properly adjusted, the installation in a limited space is realized, and the installation and operation space is saved; the positive high-voltage socket and the negative high-voltage socket are connected by adopting flexible copper bars, so that the connecting structure can adapt to two faying surfaces with different horizontal planes and different distances to a certain extent, the position of the copper bars does not need to be adjusted repeatedly during installation, and the installation efficiency and the installation precision are improved; the flexible soft copper bar is used for connection, the mounting hole 621 does not need to be provided with a waist hole to absorb tolerance, and the manufacturing and assembling tolerance is absorbed by the flexible area of the soft copper bar.

The outside of the flexible zone plate 610 is wrapped with an insulating sleeve. The flexible soft copper bar is wrapped by a thermal shrinkage insulating sleeve (non-thermal compression welding area), so that the insulating property of the connecting piece can be improved, the flexible connection property can prevent the flexible copper bar from being affected by thermal expansion and cold contraction in the operation process, and the service life is prolonged.

The front panel 200 has operating handles 230 spaced from each other on the upper side. Through the operating handle 230 that sets up, conveniently carry, remove this energy storage battery PACK.

One end of the energy storage PACK lower shell 100, which is far away from the front panel 200, is provided with a heat dissipation hole 120.

The utility model provides an adopt energy storage battery PACK of flexible electricity connection, when the installation, at first with battery module A410 and battery module B420 through bolt fastening under the energy storage PACK inside the box, and battery module A410's anodal and battery module B420's negative pole be located the one end of keeping away from front end panel 200 to connect through first soft copper bar 500. At the other end, the negative electrode of the battery module a410 and the positive electrode of the battery module B420 are respectively connected to the negative electrode socket 220 and the positive electrode socket through the second soft copper bar 600, and the output of large current is realized through the above connection structure.

Through the arrangement of the first soft copper bar 500 and the second soft copper bar 600, the rigid connection of a traditional copper bar or a lead is avoided, the installation position can be properly adjusted, the installation in a limited space is realized, and the installation and operation space is saved; the positive high-voltage socket and the negative high-voltage socket are connected by adopting flexible copper bars, so that the connecting structure can adapt to two faying surfaces with different horizontal planes and different distances to a certain extent, the position of the copper bars does not need to be adjusted repeatedly during installation, and the installation efficiency and the installation precision are improved; the flexible soft copper bar is used for connection, the mounting hole 621 does not need to be provided with a waist hole to absorb tolerance, and the manufacturing and assembling tolerance is absorbed by the flexible area of the soft copper bar. The flexible soft copper bar is wrapped by a thermal shrinkage insulating sleeve (non-thermal compression welding area), so that the insulating property of the connecting piece can be improved, the flexible connection property can prevent the flexible copper bar from being affected by thermal expansion and cold contraction in the operation process, and the service life is prolonged.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, and connected to each other inside two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An energy storage battery PACK adopting flexible electric connection is characterized by comprising an energy storage PACK lower shell (100) and a front panel (200) arranged at one end of the energy storage PACK lower shell (100), wherein a mounting opening (110) is formed in one side surface of the energy storage PACK, and an energy storage PACK upper cover (300) is detachably and hermetically connected to the mounting opening (110);

the inner side of the lower energy storage PACK shell (100) is provided with a plurality of battery modules (400) which comprise a battery module A (410) and a battery module B (420) which are adjacent, the positive pole of the battery module A (410) and the negative pole of the battery module B (420) are positioned on one side far away from the front panel (200) and are electrically connected in series through a first soft copper bar (500); the negative pole of battery module A (410) and the positive pole of battery module B (420) are close to front end panel (200), and respectively in front end panel (200) are respectively through second soft copper bar (600) electric connection.

2. The energy storage battery PACK adopting flexible electric connection according to claim 1, wherein a positive socket (210) and a negative socket (220) are arranged on the front panel (200) at intervals, the positive socket (210) and the negative socket (220) penetrate through the front panel (200), and the two ends are respectively positioned on the two sides of the front panel (200);

the positive socket (210) is connected with the positive electrode of the battery module B (420), and the negative socket (220) is connected with the negative electrode of the battery module A (410).

3. The energy storage battery PACK adopting flexible electric connection is characterized in that the first soft copper bar (500) and/or the second soft copper bar (600) comprises a plate-shaped flexible area plate (610) and welding area plates (620) positioned at two ends of the flexible area plate (610), the welding area plates (620) are L-shaped, and one end, far away from the flexible area plate (610), of each welding area plate (620) is provided with a mounting hole (621).

4. Energy storage battery PACK using flexible electrical connection according to claim 3, characterized in that the flexible area plate (610) is wrapped with an insulating sleeve on the outside.

5. The energy storage battery PACK using flexible electric connection according to claim 1, wherein the front panel (200) is provided with an operation handle (230) at an upper side thereof at an interval.

6. The PACK adopting the flexible electric connection is characterized in that one end of the lower shell (100) of the PACK, which is far away from the front panel (200), is provided with a heat dissipation hole (120).