Energy storage device for micro-grid

Abstract

The utility model relates to the technical field of energy storage devices, in particular to an energy storage device for a micro-grid, which comprises a cabinet body, the back of the cabinet body is fixedly provided with a back plate through bolts, the back of the back plate is fixedly connected with a plurality of motors in a linear array, and the output end of each motor is fixedly connected with a spline shaft. The utility model has the advantages that the lead screw can be driven to rotate through the matching of the spline shaft and the spline housing, the driving plate can be driven to slide on the bearing plate through thread transmission, the mounting frame can move outwards at the moment, and the guide rod can slide relative to the guide frame, so that the movement of the mounting frame can be guided; the movement stability of the mounting frame is improved, after the energy storage battery is completely exposed, a threaded column is twisted to drive a pressing plate to be away from the energy storage battery, locking of the energy storage battery is relieved, the energy storage battery can be taken out from the interior of the mounting frame at the moment, the single energy storage battery can be detached conveniently, and the maintenance cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage device technical field, especially an energy storage device for microgrid. BACKGROUND

[0002] The energy storage device for microgrid, namely the energy storage cabinet, is an energy storage equipment specially designed for microgrid system. It integrates multiple energy storage batteries inside, and realizes the storage, release and management of electric energy through advanced electrical and control systems. As an important part of microgrid, the energy storage cabinet is of great significance to improve the energy utilization efficiency of microgrid, ensure the stability of energy supply and promote the access of renewable energy.

[0003] There are some deficiencies in the design of traditional energy storage cabinet. For example, multiple energy storage batteries are usually fixed and installed inside the energy storage cabinet by bolts, and the energy storage batteries are connected together by wires. Although this design ensures the structural stability of the energy storage cabinet and the reliability of electrical connection, when a single energy storage battery needs to be replaced or maintained, the disassembly process is complex and tedious, which greatly increases the maintenance cost. SUMMARY

[0004] The purpose of the utility model is to solve at least one of the technical defects.

[0005] Therefore, one purpose of the utility model is to provide an energy storage device for microgrid to solve the problems mentioned in the background and overcome the deficiencies in the prior art.

[0006] In order to achieve the above object, the utility model provides a kind of energy storage device for micro-grid, including cabinet, the back of the cabinet is fixedly installed with back plate by bolt, the back of the back plate is fixedly connected with several linear array motor, the output end of each motor is fixedly connected with a spline shaft, several spline shafts are all located inside cabinet, the inner wall of the cabinet is fixedly installed with several linear array bearing plate by bolt, the top surface of the bearing plate is rotatably connected with screw rod by bearing, several screw rods and several motors are one-to-one correspondence, the end of screw rod close to back plate is fixedly connected with spline sleeve, spline shaft and spline sleeve are slidably connected, the outer surface of each screw rod is fixedly connected with a drive plate, the drive plate is slidably connected with bearing plate, the top surface of the drive plate is fixedly connected with mounting frame, the mounting frame is parallel with bearing plate, the inner wall of the mounting frame is slidably connected with energy storage battery, the back of the energy storage battery is fixedly connected with two symmetrical terminal posts, the front of the back plate is fixedly installed with circuit board by bolt, the front of the circuit board is welded with several terminal sleeves, the terminal post is slidably connected with terminal sleeve, the front of the mounting frame is threadedly connected with threaded column, the end of the threaded column is rotatably connected with pressing plate by bearing, the side of the pressing plate away from threaded column is attached to the front of energy storage battery.

[0007] It is preferred that the spline shaft and the shaft of the screw rod coincide in length, and the length of the spline shaft is equal to the depth of the spline sleeve.

[0008] It is preferred that the back of the energy storage battery is fixedly connected with two symmetrical clamping plates, and the back of the mounting frame is provided with two symmetrical clamping grooves, and the clamping plates are clamped with the mounting frame through the clamping grooves.

[0009] It is preferred that the top surface of the bearing plate is fixedly connected with two symmetrical baffle plates, and the left and right sides of the mounting frame are slidably connected with the two baffle plates, and the screw rod is located between the two baffle plates.

[0010] It is preferred that the top surface of the mounting frame is fixedly connected with two symmetrical guide rods, and the top surface of the bearing plate is fixedly connected with two symmetrical guide frames, and the two guide rods are slidably connected with the two guide frames.

[0011] It is preferred that the front of the drive plate is provided with a threaded hole, and the screw rod is slidably connected with the drive plate through the threaded hole, and the drive plate is perpendicular to the bearing plate.

[0012] It is preferred that the side of the pressing plate close to the threaded column is fixedly connected with a limiting column, and the limiting column is slidably connected with the mounting frame.

[0013] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0014] 1, when need to disassemble energy storage battery, can open the cabinet door and expose several energy storage batteries, at the moment can start motor and make it drive spline shaft to rotate, can drive screw rod to rotate through the cooperation of spline shaft and spline sleeve, can drive driving plate to slide on bearing plate through screw transmission, at the moment, the installation frame will move outward, and the guide rod will slide relative to the guide frame, the movement of the installation frame can be guided, the movement stability of the installation frame is improved, until the energy storage battery is completely exposed, twist the threaded column to make it drive the pressing plate away from the energy storage battery, the locking of the energy storage battery is released, at the moment, the energy storage battery can be taken out from the inside of the installation frame, the single energy storage battery is convenient to disassemble, and the maintenance cost is greatly reduced.

[0015] 2, after the energy storage battery is repaired, the energy storage battery can be inserted into the installation frame, and the threaded column is reversed to make it drive the pressing plate to lock the energy storage battery, then the motor is started to drive the screw rod to reverse, the installation frame can be reset, until the terminal post is completely inserted into the terminal sleeve, the energy storage battery can be connected to the circuit system, and the installation efficiency of the energy storage battery is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic drawing of the assembly of the utility model;

[0017] Figure 2 It is the section structure schematic drawing of the assembly of the utility model;

[0018] Figure 3 It is the explosion structure schematic drawing of the assembly of the utility model;

[0019] Figure 4 It is the structure schematic drawing of the back plate of the utility model;

[0020] Figure 5 It is the explosion structure schematic drawing of the installation frame of the utility model;

[0021] Figure 6 It is the structure schematic drawing of the installation frame of the utility model.

[0022] In the drawing: 1 - cabinet, 2 - back plate, 3 - motor, 4 - spline shaft, 6 - bearing plate, 7 - screw rod, 8 - spline sleeve, 9 - driving plate, 10 - installation frame, 11 - energy storage battery, 12 - terminal post, 13 - circuit board, 14 - terminal sleeve, 15 - threaded column, 16 - pressing plate, 17 - clamping plate, 18 - clamping groove, 19 - baffle, 20 - guide rod, 21 - guide frame, 22 - threaded hole, 23 - limiting column. DETAILED DESCRIPTION

[0023] The utility model is further described below with reference to the drawings, but the protection scope of the utility model is not limited to the following.

[0024] As shown in Figures 1 to 6 A kind of energy storage device for micro-grid, it includes cabinet 1, the back of cabinet 1 is fixedly installed with back plate 2 by bolt, the back of back plate 2 is fixedly connected with several linear array motor 3, the output end of each motor 3 is fixedly connected with a spline shaft 4, several spline shafts 4 are all located inside cabinet 1, the inner wall of cabinet 1 is fixedly installed with several linear array bearing plate 6 by bolt, the top surface of bearing plate 6 is rotatably connected with lead screw 7 by bearing, several lead screws 7 and several motors 3 are one-to-one correspondence, the end of lead screw 7 close to back plate 2 is fixedly connected with spline sleeve 8, spline shaft 4 is slidably connected with spline sleeve 8, the outer surface of each lead screw 7 is fixedly connected with a driving plate 9, driving plate 9 is slidably connected with bearing plate 6, the top surface of driving plate 9 is fixedly connected with mounting frame 10, mounting frame 10 is parallel with bearing plate 6, the inner wall of mounting frame 10 is slidably connected with energy storage battery 11, the back of energy storage battery 11 is fixedly connected with two symmetrical terminal posts 12, the front of back plate 2 is fixedly installed with circuit board 13 by bolt, the front of circuit board 13 is welded with several terminal sleeves 14, terminal post 12 is slidably connected with terminal sleeve 14, the front of mounting frame 10 is threadedly connected with threaded column 15, one end of threaded column 15 is rotatably connected with pressing plate 16 by bearing, the side of pressing plate 16 away from threaded column 15 is attached to the front of energy storage battery 11.

[0025] As an optional technical scheme of the utility model, the axis of spline shaft 4 and lead screw 7 coincides, the length of spline shaft 4 is equal to the depth of spline sleeve 8, open motor 3 to drive spline shaft 4 to rotate, and the cooperation of spline shaft 4 and spline sleeve 8 can drive lead screw 7 to rotate.

[0026] As an optional technical scheme of the utility model, the back of energy storage battery 11 is fixedly connected with two symmetrical clamping plates 17, the back of mounting frame 10 is penetrated and provided with two symmetrical clamping grooves 18, clamping plate 17 is clamped with mounting frame 10 through clamping groove 18, energy storage battery 11 is clamped with mounting frame 11 through clamping plate 17, and the installation stability of energy storage battery 11 is improved.

[0027] As an optional technical scheme of the utility model, the top surface of bearing plate 6 is fixedly connected with two symmetrical baffle plates 19, the left and right sides of mounting frame 10 are slidably connected with two baffle plates 19 respectively, lead screw 7 is located between two baffle plates 19, and baffle plate 19 can limit the position of mounting frame 10.

[0028] As an optional technical scheme of the utility model, the top surface of the mounting frame 10 is fixedly connected with two symmetrically arranged guide rods 20, the top surface of the bearing plate 6 is fixedly connected with two symmetrically arranged guide frames 21, the two guide rods 20 are slidably connected with the two guide frames 21 respectively, the guide rod 20 can slide relative to the guide frame 21, the movement of the mounting frame 10 can be guided, and the movement stability of the mounting frame 10 is improved.

[0029] As an optional technical scheme of the utility model, the front surface of the driving plate 9 is provided with a threaded hole 22, the lead screw 7 is slidably connected with the driving plate 9 through the threaded hole 22, the driving plate 9 is perpendicular to the bearing plate 6, the threaded column 15 is reversed to drive the pressing plate 16 to lock the energy storage battery 11, then the motor 3 is started to drive the lead screw 7 to reverse, and the mounting frame 10 can be reset.

[0030] As an optional technical scheme of the utility model, the pressing plate 16 is fixedly connected with a limiting column 23 on the side close to the threaded column 15, and the limiting column 23 is slidably connected with the mounting frame 10.

[0031] An energy storage device for a micro-grid has the following working principle:

[0032] 1) When the energy storage battery 11 needs to be disassembled, the cabinet door can be opened to expose the energy storage battery 11, at this time, the motor 3 can be started to drive the spline shaft 4 to rotate, the lead screw 7 can be driven to rotate through the cooperation of the spline shaft 4 and the spline sleeve 8, and the driving plate 9 can be driven to slide on the bearing plate 6 through threaded transmission.

[0033] 2) Until the energy storage battery 11 is completely exposed, the threaded column 15 is twisted to drive the pressing plate 16 away from the energy storage battery 11, and the locking of the energy storage battery 11 is released, at this time, the energy storage battery 11 can be taken out from the inside of the mounting frame 10, and the single energy storage battery 11 can be disassembled conveniently.

[0034] 3) After the energy storage battery 11 is repaired, the energy storage battery 11 can be inserted into the inside of the mounting frame 10, the threaded column 15 is reversed to drive the pressing plate 16 to lock the energy storage battery 11, then the motor 3 is started to drive the lead screw 7 to reverse, and the mounting frame 10 can be reset.

[0035] In summary, the micro-grid energy storage device, when the need to remove the energy storage battery 11, can open the door to expose several energy storage battery 11, at this time can start the motor 3 to drive the spline shaft 4 rotation, through the spline shaft 4 and spline sleeve 8 can drive the screw rod 7 rotation, through the screw drive can drive the drive plate 9 on the bearing plate 6 sliding, at this time the installation frame 10 will move outward, and the guide rod 20 will slide relative to the guide frame 21, can be installed frame 10 movement direction, improve the stability of the installation frame 10 movement, until the energy storage battery 11 completely exposed after the twist screw column 15 to drive the pressure plate 16 away from the energy storage battery 11, the energy storage battery 11 to remove the lock, at this time can be taken out from the installation frame 10 inside the energy storage battery 11, convenient for single energy storage battery 11 disassembly, greatly reduces the maintenance cost, the energy storage battery 11 repair is completed, the energy storage battery 11 can be inserted into the installation frame 10 inside, and reverse screw column 15 to drive the pressure plate 16 will lock the energy storage battery 11, then start the motor 3 to drive the screw rod 7 reverse, can drive the installation frame 10 reset, until the terminal post 12 completely inserted into the terminal sleeve 14 inside, can make the energy storage battery 11 access circuit system, greatly improve the installation efficiency of the energy storage battery 11.

Claims

1. An energy storage device for microgrids, characterized in that: The system includes a cabinet (1), a back plate (2) fixedly mounted on the back of the cabinet (1) by bolts, and a number of linear array motors (3) fixedly connected to the back of the back plate (2). Each motor (3) has a spline shaft (4) fixedly connected to its output end. The spline shafts (4) are located inside the cabinet (1). A number of linear array support plates (6) are fixedly mounted on the inner wall of the cabinet (1) by bolts. A lead screw (7) is rotatably connected to the top surface of the support plate (6) through a bearing. Each lead screw (7) corresponds to one of the motors (3). A spline sleeve (8) is fixedly connected to the end of the lead screw (7) near the back plate (2). The spline shaft (4) is slidably connected to the spline sleeve (8). A drive plate (9) is fixedly connected to the outer surface of each lead screw (7). The drive plate (9) is slidably connected to the support plate (6). The top surface of the drive plate (9) is fixedly connected to the mounting frame (10). The mounting frame (10) is parallel to the support plate (6). The inner wall of the mounting frame (10) is slidably connected to the energy storage battery (11). The back of the energy storage battery (11) is fixedly connected to two symmetrically arranged terminal blocks (12). The front of the back plate (2) is fixedly mounted with a circuit board (13) by bolts. The front of the circuit board (13) is welded with several terminal sleeves (14). The terminal blocks (12) are slidably connected to the terminal sleeves (14). The front of the mounting frame (10) is threadedly connected to a threaded post (15). One end of the threaded post (15) is rotatably connected to a pressure plate (16) through a bearing. The side of the pressure plate (16) away from the threaded post (15) is in contact with the front of the energy storage battery (11).

2. The energy storage device for microgrids according to claim 1, characterized in that: The spline shaft (4) coincides with the axis of the lead screw (7), and the length of the spline shaft (4) is equal to the depth of the spline sleeve (8).

3. The energy storage device for microgrids according to claim 2, characterized in that: The back of the energy storage battery (11) is fixedly connected to two symmetrically arranged card plates (17), and the back of the mounting frame (10) is provided with two symmetrically arranged card slots (18). The card plates (17) are engaged with the mounting frame (10) through the card slots (18).

4. The energy storage device for microgrids according to claim 3, characterized in that: The top surface of the bearing plate (6) is fixedly connected to two symmetrically arranged baffles (19), the left and right sides of the mounting frame (10) are slidably connected to the two baffles (19) respectively, and the lead screw (7) is located between the two baffles (19).

5. The energy storage device for microgrids according to claim 4, characterized in that: The top surface of the mounting frame (10) is fixedly connected to two symmetrically arranged guide rods (20), and the top surface of the bearing plate (6) is fixedly connected to two symmetrically arranged guide frames (21). The two guide rods (20) are slidably connected to the two guide frames (21) respectively.

6. The energy storage device for microgrids according to claim 5, characterized in that: The drive plate (9) has a threaded hole (22) through it on the front side. The lead screw (7) is slidably connected to the drive plate (9) through the threaded hole (22). The drive plate (9) is perpendicular to the support plate (6).

7. The energy storage device for microgrids according to claim 6, characterized in that: The pressure plate (16) is fixedly connected to a limiting post (23) on the side near the threaded post (15), and the limiting post (23) is slidably connected to the mounting frame (10).

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