CN215266522U

CN215266522U - Energy storage battery module

Info

Publication number: CN215266522U
Application number: CN202121032520.2U
Authority: CN
Inventors: 卢航; 彭增; 牛玮
Original assignee: Luoyang Xingxiang Lithium Energy Technology Co ltd
Current assignee: Luoyang Xingxiang Lithium Energy Technology Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-21
Anticipated expiration: 2031-05-14

Abstract

The utility model provides an energy storage battery module, the utility model discloses a guide rail is arranged on the two sides of the energy storage battery module, which is convenient for the installation of the energy storage battery module; and simultaneously the utility model discloses install the protection shield inside the front end of energy storage battery module to be connected with the signal connector on the front panel, the protection shield is close with the signal connector distance, and the wire rod that consumes is few, can reduce the wire rod cost, and the protection shield can detect the charge-discharge process of module in addition, if the unusual circumstances can in time report the battery protection shield, has further guaranteed the security of module, has also prolonged the life of module simultaneously. Therefore, the utility model has the advantages of simple to operate is swift, the security is high, long service life and with low costs.

Description

Energy storage battery module

Technical Field

The utility model belongs to the technical field of the lithium cell energy storage, concretely relates to energy storage battery module.

Background

With the development of economy, the progress of society and the continuous improvement of the living standard of people, the peak-valley difference presented by the power load curve is larger and larger, which also causes the phenomenon of unbalanced supply and demand of the power system. The energy storage system can cut peaks and fill valleys, namely the energy storage system absorbs redundant electric energy in the power system to store when the load is low in the valley, and the stored electric energy is released to supply to the system load when the load is high in the valley, so that peak and valley difference values at night in the day are effectively eliminated, the reliability of power supply and the stability of operation are ensured, good voltage quality is ensured, and the problem of high investment of a power transmission line required by high peak load is solved. Therefore, since the energy storage battery module is an important component of the energy storage system for storing electric energy, its quality and performance play an important role.

At present, the common energy storage battery module in the market is a module with the width of 19 inches and the thickness of 2U or 3U, and most of the internal battery cores adopt square aluminum shell lithium battery cores. The guide rails are not arranged on the two sides of the energy storage battery module, when the energy storage battery module is installed in a 19-inch cabinet, the module needs to be placed into the cabinet firstly, and then the energy storage battery module is pushed inwards to be in place forcibly, so that the installation process is laborious and inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an energy storage battery module that simple to operate is swift, the security is high, long service life and with low costs.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an energy storage battery module comprises a module shell and a front panel arranged at the front end of the module shell, wherein a plurality of groups of modules which are arranged in series are arranged inside the module shell, two ends of the modules which are connected in series are respectively connected with a positive electrode connector and a negative electrode connector, and guide rails are arranged on the outer walls of two sides of the module shell together;

the energy storage battery module further comprises a battery protection board and a signal connector, the module after series connection is connected to the input end of the battery protection board, and the output end of the battery protection board is connected to the signal connector.

Furthermore, a plurality of groups of modules are detachably arranged at the inner side of the bottom of the module shell, and insulating sheets are arranged between the groups of modules and the module shell.

Furthermore, a plurality of groups of modules are distributed in an array.

Furthermore, the positive connector, the negative connector and the signal connector are all arranged on the front panel.

Furthermore, a plurality of handles are arranged on the front panel.

Further, a plurality of groups of modules are connected in series through connecting copper bars, the anodes of the modules after being connected in series are connected to the anode connector through the anode copper bars, and the cathodes of the modules after being connected in series are sequentially connected to the current divider and the cathode connector through the cathode copper bars.

Furthermore, the shunt, the positive copper bar, the negative copper bar, the positive connector and the negative connector are all fixed on the inner side of the bottom of the module shell through the insulating columns.

Furthermore, fixing holes for fixing the energy storage battery module are formed in two ends of the front panel.

Further, the top cover of the module shell is provided with an upper cover.

Furthermore, screw holes for fixing the module are formed at two ends of the module.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the guide rails are arranged on the two sides of the energy storage battery module, so that the energy storage battery module is convenient to install; and simultaneously the utility model discloses install the battery protection shield inside the front end of energy storage battery module to be connected with the signal connector on the front panel, the protection shield is close with the signal connector distance, and the wire rod that consumes is few, can reduce the wire rod cost, and the battery protection shield can detect the charge-discharge process of module in addition, if the unusual circumstances can in time report the battery protection shield, has further guaranteed the security of module, has also prolonged the life of module simultaneously. Therefore, the utility model has the advantages of simple to operate is swift, the security is high, long service life and with low costs.

Drawings

Fig. 1 is a schematic structural diagram of an energy storage battery module according to the present invention;

fig. 2 is a schematic structural diagram of the present invention after the upper cover is removed.

The labels in the figure are: 1. module casing, 2, upper cover, 3, guide rail, 4, anodal connector, 5, signal connector, 6, negative pole connector, 7, handle, 8, front panel, 9, fixed orifices, 10, pilot lamp, 11, module, 12, insulating piece, 13, connection copper bar, 14, anodal copper bar, 15, screw hole, 16, battery protection board, 17, shunt, 18, insulated column, 19, negative pole copper bar.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

An energy storage battery module, as shown in fig. 1 and 2, comprising: the module comprises a front panel 8, a module shell 1, an upper cover 2, a guide rail 3, a module 11, an insulating sheet 12, a connecting copper bar 13, a shunt 17, an insulating column 18, a battery protection board 16, a positive connector 4, a negative connector 6, a signal connector 5, an indicator light 10 and a handle 7. The front end of module casing 1 is provided with front panel 8, the top lid is equipped with upper cover 2, be provided with anodal connector 4 on the front panel, negative pole connector 6, signal connector 5, pilot lamp 10 and handle 7, be provided with guide rail 3 on the both sides outer wall of module casing 1, the inside of module casing is provided with module 11, be provided with insulating piece 12 between the bottom of module 11 and module casing 1, the both sides of module respectively have a screw hole 15, the screw passes screw hole 15 and fixes the module in the bottom inboard of module casing 1.

In this embodiment, four modules are adopted, the four modules are connected in series through a connecting copper bar 13, and the anode of the module after being connected in series is connected to an anode connector 4 through an anode copper bar 14, the cathode of the module after being connected in series is sequentially connected to a current divider 17 and a cathode connector 6 through a cathode copper bar 19, an insulating column 18 is fixed on the inner side of the bottom of a module shell 1 and is used for supporting and fixing the current divider 17, the anode copper bar, the cathode copper bar and the anode connector, the module after being connected in series is connected to the input end of a battery protection board 16, and the output end of the battery protection board 16 is connected to a signal connector 5 and a signal lamp 10.

In addition, the energy storage battery module in this embodiment may be set to have a width of 19 inches, a thickness of 2U, and a capacity of 1.28kWh, where the internal battery cell is a 18650 lithium iron phosphate cylindrical battery cell with high safety and high reliability, 66 battery cells are fixed in parallel to form a single module, and then the four modules are connected in series by a connecting copper bar 13, and then connected to the positive and negative connectors by positive and negative copper bars, respectively; the guide rails 3 are arranged on two sides of the energy storage battery module, the module is placed into the cabinet during installation, the guide rails 3 on two sides of the module are matched with the guide rails in the cabinet, the module can be pushed in place easily (similar to the design of a drawer), and then the screws penetrate through the screw fixing holes 9 on two sides of the front panel to fix the module on the cabinet.

The utility model has the advantages that the guide rails are arranged on the two sides of the energy storage battery module, so that the energy storage battery module is convenient to install; and simultaneously the utility model discloses install the protection shield inside the front end of energy storage battery module to be connected with the signal connector on the front panel, the protection shield is close with the signal connector distance, and the wire rod that consumes is few, can reduce the wire rod cost, and the protection shield can detect the charge-discharge process of module in addition, if the unusual circumstances can in time report the battery protection shield, has further guaranteed the security of module, has also prolonged the life of module simultaneously. Moreover, the utility model has the advantages of simple to operate is swift, the security is high, long service life and with low costs.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an energy storage battery module, includes module housing and sets up the front panel at module housing front end, its characterized in that: a plurality of groups of modules which are arranged in series are arranged inside the module shell, two ends of the modules which are connected in series are respectively connected with the positive electrode connector and the negative electrode connector, and guide rails are arranged on the outer walls of two sides of the module shell together;

2. An energy storage battery module as claimed in claim 1, characterized in that: the plurality of groups of modules are detachably arranged at the inner side of the bottom of the module shell, and insulating sheets are arranged between the plurality of groups of modules and the module shell.

3. An energy storage battery module as claimed in claim 2, characterized in that: the modules are distributed in array.

4. An energy storage battery module as claimed in claim 3, characterized in that: the positive connector, the negative connector and the signal connector are all arranged on the front panel.

5. An energy storage battery module as claimed in claim 4, characterized in that: the front panel is also provided with a plurality of handles.

6. An energy storage battery module as claimed in claim 4, characterized in that: the modules are connected in series through connecting copper bars, the anodes of the modules after being connected in series are connected to the anode connector through the anode copper bars, and the cathodes of the modules after being connected in series are sequentially connected to the current divider and the cathode connector through the cathode copper bars.

7. An energy storage battery module as claimed in claim 6, characterized in that: the current divider, the positive copper bar, the negative copper bar, the positive connector and the negative connector are fixed on the inner side of the bottom of the module shell through the insulating columns.

8. An energy storage battery module as claimed in any one of claims 1 to 7, characterized in that: and fixing holes for fixing the energy storage battery module are formed in two ends of the front panel.

9. An energy storage battery module as claimed in claim 8, characterized in that: the top cover of the module shell is provided with an upper cover.

10. An energy storage battery module as claimed in claim 9, characterized in that: and screw holes for fixing the module are formed at two ends of the module.