Stacked energy storage battery box

Abstract

The utility model relates to the technical field of energy storage batteries, in particular to a stacked energy storage battery box body. A stacked energy storage battery box body comprises energy storage battery box bodies and is characterized in that a plurality of energy storage battery box bodies are vertically stacked, one end of each of four corners of each energy storage battery box body is provided with a connecting square pipe, the upper end of each connecting square pipe is provided with a necking opening, the front end of each energy storage battery box body is provided with a concave wire outlet, and a plurality of connecting terminals are arranged in each wire outlet. The connecting terminals are respectively connected with the anode parallel aluminum bar and the cathode parallel aluminum bar through aluminum bar fixing bolts, and the anode parallel aluminum bars and the cathode parallel aluminum bars of the adjacent energy storage battery box bodies are respectively connected through the anode parallel female copper bar and the cathode parallel female copper bar. Compared with the prior art, the structure is simple, parallel connection is firm, stacking installation is convenient, and production and transportation cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage batteries, in particular to a stacked energy storage battery box. Background Art

[0002] At present, multiple energy storage batteries are generally installed in cabinets. Cabinets of different sizes need to be customized, and the cabinets are large and difficult to transport. Some stacked batteries need to be customized, which is expensive. The batteries are connected in parallel using quick-plug terminals. The parallel structure causes the terminal selection current to be large, the cost is high, and the quick-plug terminals have poor long-term connection reliability. Summary of the invention

[0003] The utility model provides a stacked energy storage battery box to overcome the deficiencies of the prior art.

[0004] In order to achieve the above purpose, a stacked energy storage battery box is designed, including an energy storage battery box, characterized in that: a plurality of energy storage battery boxes are stacked vertically, a connecting square tube is respectively provided at one end of each of the four corners of the energy storage battery box, a shrinkage is provided at the upper end of the connecting square tube, a concave outlet is provided at the front end of the energy storage battery box, a plurality of connecting terminals are provided in the outlet, the connecting terminals are respectively connected to the positive parallel aluminum bar and the negative parallel aluminum bar through aluminum bar fixing bolts, and the positive parallel aluminum bars of adjacent energy storage battery boxes and the negative parallel aluminum bars of adjacent energy storage battery boxes are respectively connected through the positive parallel mother copper bar and the negative parallel mother copper bar.

[0005] The necking structure matches the structure of the lower end of the connecting square tube; adjacent energy storage battery boxes are connected by connecting square tubes, and the lower ends of the connecting square tubes at the four corners of the upper energy storage battery box are inserted into the necking of the upper ends of the connecting square tubes at the four corners of the lower energy storage battery box.

[0006] One end of the positive parallel aluminum bar is provided with a first bolt hole connected to the positive parallel mother copper bar, and the other end of the positive parallel aluminum bar is provided with a second bolt hole connected to the connection terminal; one end of the negative parallel aluminum bar is provided with a third bolt hole connected to the negative parallel mother copper bar, and the other end of the negative parallel aluminum bar is provided with a fourth bolt hole connected to the connection terminal.

[0007] The upper end of the positive parallel mother copper bar is provided with a plurality of waist-shaped installation holes, and the lower end of the positive parallel mother copper bar is provided with a fixing nut, which fixes the positive parallel mother copper bar and the positive parallel aluminum bar. The structure of the negative parallel mother copper bar is the same as that of the positive parallel mother copper bar.

[0008] The lower part of the positive parallel copper busbar is provided with a step, and the structure of the negative parallel copper busbar is the same as that of the positive parallel copper busbar.

[0009] A protective cover is arranged outside the outlet, and two ends of the protective cover are connected to the energy storage battery box through protective cover fixing bolts.

[0010] The inner side of the protective cover is provided with a groove.

[0011] A fence terminal is arranged at the lower end of the aluminum bar fixing bolt.

[0012] The other ends of the positive electrode parallel aluminum bar and the negative electrode parallel aluminum bar are provided with avoidance grooves for avoiding fence terminals.

[0013] The four corners of the energy storage battery box are arc structures.

[0014] Compared with the prior art, the utility model has a simple structure, reliable parallel connection, convenient stacking and installation, and reduces production and transportation costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 This is an exploded view of a single energy storage battery box of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the utility model for connecting square tubes.

[0018] Figure 4 It is a schematic diagram of the structure of the positive electrode parallel aluminum bar of the utility model.

[0019] Figure 5 It is a schematic diagram of the structure of the negative electrode parallel aluminum bar of the utility model.

[0020] Figure 6 It is a structural schematic diagram of the positive parallel mother copper busbar of the utility model. Implementation

[0021] The utility model is further described below with reference to the accompanying drawings.

[0022] like Figure 1 to Figure 2 As shown, a plurality of energy storage battery cases 1 are stacked vertically, and a connecting square tube 2 is respectively provided at one end of each of the four corners of the energy storage battery case 1, and a shrinkage 2-1 is provided at the upper end of the connecting square tube 2. A concave outlet 3 is provided at the front end of the energy storage battery case 1, and a plurality of connecting terminals are provided in the outlet 3. The connecting terminals are respectively connected to the positive parallel aluminum bar 5 and the negative parallel aluminum bar 6 through the aluminum bar fixing bolts 4, and the positive parallel aluminum bars 5 of adjacent energy storage battery cases 1 and the negative parallel aluminum bars 6 of adjacent energy storage battery cases 1 are respectively connected through the positive parallel mother copper bar 7 and the negative parallel mother copper bar 8.

[0023] like Figure 3As shown, the structure of the constricted opening 2-1 matches the structure of the lower end of the connecting square tube 2; the adjacent energy storage battery boxes 1 are connected by connecting square tubes 2, and the lower ends of the connecting square tubes 2 at the four corners of the upper energy storage battery box 1 are inserted into the constricted openings 2-1 at the upper ends of the connecting square tubes 2 at the four corners of the lower energy storage battery box 1. The connecting square tube 2 is provided with mounting holes 2-2, and the connecting square tube 2 is fixed to the side of the energy storage battery box 1 by square tube fixing bolts 12.

[0024] like Figures 4 to 5 As shown, one end of the positive parallel aluminum bar 5 is provided with a first bolt hole 5-1 connected to the positive parallel mother copper bar 7, and the other end of the positive parallel aluminum bar 5 is provided with a second bolt hole 5-2 connected to the connection terminal; one end of the negative parallel aluminum bar 6 is provided with a third bolt hole 6-1 connected to the negative parallel mother copper bar 8, and the other end of the negative parallel aluminum bar 6 is provided with a fourth bolt hole 6-2 connected to the connection terminal. The bolt holes and the bolts are matched to ensure fixation during parallel connection.

[0025] like Figure 6 As shown, the upper end of the positive parallel mother copper bar 7 is provided with a plurality of mounting waist-shaped holes 7-1, and the lower end of the positive parallel mother copper bar 7 is provided with a fixing nut 7-2, and the fixing nut 7-2 fixes the positive parallel mother copper bar 7 to the positive parallel aluminum bar 5, and the structure of the negative parallel mother copper bar 8 is the same as that of the positive parallel mother copper bar 7.

[0026] A step 7-3 is provided at the lower part of the positive parallel copper bar 7, and the structure of the negative parallel copper bar 8 is the same as that of the positive parallel copper bar 7. The step 7-3 ensures that the upper and lower positive and negative copper bars clamp the positive and negative parallel aluminum bars in the middle and fix them.

[0027] A protective cover 9 is provided on the outside of the outlet 3, and both ends of the protective cover 9 are connected to the energy storage battery box 1 through protective cover fixing bolts 9-1. The connection inside the outlet is protected. A groove 9-2 is provided on the inside of the protective cover 9 to prevent interference with the positive parallel mother copper bar and the negative parallel mother copper bar.

[0028] A fence terminal 10 is provided at the lower end of the aluminum row fixing bolt 4. The aluminum row fixing bolt 4 is supported to prevent the aluminum row fixing bolt 4 from loosening.

[0029] The other ends of the positive parallel aluminum bar 5 and the negative parallel aluminum bar 6 are provided with avoidance grooves 11 for avoiding the fence terminals 10 .

[0030] The four corners of the energy storage battery box 1 are arc structures to prevent scratches.

[0031] When assembling the utility model, first assemble a single energy storage battery box 1, and connect the positive parallel aluminum bar 5 and the negative parallel aluminum bar 6 to the corresponding connection terminals in the outlet 3. Then stack several energy storage battery boxes 1 vertically, and connect and fix adjacent energy storage battery boxes 1 through connecting square tubes 2. Then connect the positive parallel aluminum bar 5 and the negative parallel aluminum bar 6 of adjacent energy storage battery boxes 1 through positive parallel mother copper bar 7 and negative parallel mother copper bar 8, and finally install the protective cover 9.

[0032] The utility model installs a connecting square tube with a constricted structure on the energy storage battery box 1, and stacks multiple layers of battery boxes up and down. The battery boxes have the same structure, which is easy to produce. Each battery box is connected in parallel through a plurality of positive parallel mother copper bars and negative parallel mother copper bars with the same structure to connect the positive and negative parallel aluminum bars respectively. The mother copper bars are designed to pass large currents and the positive and negative parallel aluminum bars can pass small currents, which solves the problem that the traditional quick-plug terminal connection method can only design the wiring harness according to the maximum current of the parallel machine, and greatly reduces the cost of the parallel wiring harness.

Claims

1. A stacked energy storage battery box, comprising an energy storage battery box, characterized in that: A plurality of energy storage battery boxes (1) are stacked vertically, and a connecting square tube (2) is provided at each of the four corners and one end of the energy storage battery box (1), and a concave outlet (3) is provided at the upper end of the connecting square tube (2). A plurality of connecting terminals are provided in the outlet (3), and the connecting terminals are respectively connected to a positive parallel aluminum bar (5) and a negative parallel aluminum bar (6) through aluminum bar fixing bolts (4). The positive parallel aluminum bars (5) of adjacent energy storage battery boxes (1) and the negative parallel aluminum bars (6) of adjacent energy storage battery boxes (1) are respectively connected through a positive parallel mother copper bar (7) and a negative parallel mother copper bar (8).

2. The stacked energy storage battery box according to claim 1, characterized in that: The structure of the constricted opening (2-1) matches the structure of the lower end of the connecting square tube (2); adjacent energy storage battery boxes (1) are connected via the connecting square tube (2), and the lower ends of the connecting square tubes (2) at the four corners of the upper energy storage battery box (1) are inserted into the constricted openings (2-1) at the upper ends of the connecting square tubes (2) at the four corners of the lower energy storage battery box (1).

3. The stacked energy storage battery box according to claim 1, characterized in that: One end of the positive electrode parallel aluminum bar (5) is provided with a first bolt hole (5-1) connected to the positive electrode parallel mother copper bar (7), and the other end of the positive electrode parallel aluminum bar (5) is provided with a second bolt hole (5-2) connected to the connection terminal; one end of the negative electrode parallel aluminum bar (6) is provided with a third bolt hole (6-1) connected to the negative electrode parallel mother copper bar (8), and the other end of the negative electrode parallel aluminum bar (6) is provided with a fourth bolt hole (6-2) connected to the connection terminal.

4. The stacked energy storage battery box according to claim 1, characterized in that: The upper end of the positive parallel mother copper bar (7) is provided with a plurality of waist-shaped mounting holes (7-1), and the lower end of the positive parallel mother copper bar (7) is provided with a fixing nut (7-2), and the fixing nut (7-2) fixes the positive parallel mother copper bar (7) and the positive parallel aluminum bar (5). The structure of the negative parallel mother copper bar (8) is the same as that of the positive parallel mother copper bar (7).

5. A stacked energy storage battery box according to claim 1 or 4, characterized in that: The positive electrode parallel mother copper bar (7) is provided with a step (7-3) at the bottom, and the structure of the negative electrode parallel mother copper bar (8) is the same as that of the positive electrode parallel mother copper bar (7).

6. The stacked energy storage battery box according to claim 1, characterized in that: A protective cover (9) is provided on the outside of the wire outlet (3), and two ends of the protective cover (9) are connected to the energy storage battery box (1) via protective cover fixing bolts (9-1).

7. The stacked energy storage battery box according to claim 6, characterized in that: A groove (9-2) is provided on the inner side of the protective cover (9).

8. The stacked energy storage battery box according to claim 1, characterized in that: A fence terminal (10) is provided at the lower end of the aluminum bar fixing bolt (4).

9. The stacked energy storage battery box according to claim 8, characterized in that: The other ends of the positive electrode parallel aluminum bar (5) and the negative electrode parallel aluminum bar (6) are provided with avoidance grooves (11) for avoiding the fence terminals (10).

10. The stacked energy storage battery box according to claim 1, characterized in that: The four corners of the energy storage battery box (1) are arc structures.

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