Stacked energy storage cabinet

Abstract

The invention relates to a stacked energy storage cabinet which comprises a control module, a plurality of stacked battery modules and a movable base which are sequentially arranged from top to bottom, the bottom structure of the control module is the same as that of the battery modules, and the top of the movable base is stacked with the bottoms of the battery modules. The invention relates to the technical field of energy storage cabinets. The stackable energy storage cabinet is convenient to mount, can be quickly moved and combined, can effectively prevent the bottom electric connection joint from being exposed outside, performs automatic matching by using the gravity of assembly, can achieve an effective damping effect by using the air bag, and has a better protection function.

Description

Technical Field

[0001] The present invention relates to the technical field of energy storage cabinets, and in particular to a stacked energy storage cabinet. Background Art

[0002] The concept of energy storage cabinet is to store electrical energy in a centralized manner so as to supply power during peak hours of electricity demand or in emergency situations. It is mainly composed of batteries, inverters and control systems. The battery is the core component of the energy storage cabinet, which can convert electrical energy into chemical energy and store it. The function of the inverter is to convert the stored DC power into AC power for use by various electrical equipment. The control system plays the role of management, optimization of energy utilization and protection of battery life.

[0003] Energy storage cabinets can be applied in multiple scenarios. First, it can be used as a home energy storage system to provide security for home power supply. In the case of unstable power supply or power outage, energy storage cabinets can provide continuous backup power to ensure the normal operation of family life. Secondly, energy storage cabinets are also widely used in commercial places, which can provide enterprises with continuous and stable power support, especially during peak power consumption periods, to balance the grid load and reduce electricity costs. In addition, energy storage cabinets can also be used in areas such as electric vehicle charging stations to provide charging services for electric vehicles and solve the impact of grid fluctuations on charging facilities.

[0004] The existing energy storage cabinets are directly stacked up and down when assembled, and the bottom joints are usually exposed to the outside and easily damaged, and are easy to fall off between the upper and lower parts when moved, affecting normal use. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a stackable energy storage cabinet to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a stacked energy storage cabinet, comprising a control module, a plurality of battery modules stacked on each other and a movable base arranged in sequence from top to bottom, the bottom structure of the control module is the same as the bottom structure of the battery module, the top of the movable base is stacked with the bottom of the battery module, the control module, the plurality of battery modules and the movable base are stacked up and down into a movable whole, and a storage battery is built in the inner cavity of the battery module;

[0007] The bottoms of the multiple battery modules and the control module are each provided with a lower connecting mechanism, and the tops of the multiple battery modules and the inner cavity of the movable base are each provided with an upper connecting mechanism connected with the lower connecting mechanism;

[0008] The lower connecting mechanism includes embedded grooves respectively arranged below the control module and the battery module and plug-in blocks sliding below the control module and the battery module, the inner cavities of the embedded grooves are respectively fixedly connected with a buffer airbag and a connection box, the inner cavity of the connection box is slidably connected with an electrical connection plug, the inner cavity of the connection box is respectively fixedly connected with a return spring and a pneumatic piston rod, one end of the return spring and the pneumatic piston rod are both fixedly connected to one side of the electrical connection plug, and the inner cavity of the buffer airbag is connected with the inner cavity of the pneumatic piston rod through a connecting pipe;

[0009] The upper connecting mechanism includes an embedded block fixed on the battery module and the top of the movable base and plugged into the embedded groove. The center of the embedded block is provided with a connecting groove adapted to the connection box, and the inner cavity of the connecting groove is provided with a conductive groove for plugging and electrically connecting with the electrical connection plug. The top of the embedded block is provided with an extrusion groove adapted to the buffer airbag. When it is used and taken out, it needs to be assembled. First, the movable base is taken out, and then the number of battery modules is selected according to the use requirements for upper and lower assembly, and then the control module is installed at the top to form a movable power supply unit. During installation, the upper connecting mechanism is assembled with the lower connecting mechanism, and the buffer plate enters the embedded block. Then, the buffer airbag is squeezed downward under the action of gravity, and the internal gas is transported to the inside of the pneumatic piston rod through the connecting pipe to push the electrical connection. The plug pulls the reset spring to move outward and is plugged into the conductive groove in the connecting groove for electrical connection. It can be automatically connected under the action of gravity. When not plugged in, it can automatically reset and drive the electrical connection plug to be retracted to prevent it from being exposed to the outside and damaged. When connecting, the plug-in block is plugged into the plug-in slot. At this time, the side slope of the positioning block is squeezed and retracted into the movable groove, and then plugged into the plug-in slot. The push spring pushes the positioning block to extend out of the movable groove and plug into the positioning groove in the plug-in slot for connection. At this time, when pulling up, the positioning block connects the control module, the battery module and the movable base. When separation is required, you only need to lift the control module or the battery module upward with the handle, and the handle drives the pull rope to be retracted, pulling the positioning block to compress the push spring and retract it into the movable groove.

[0010] As a further solution of the present invention: the control module has an inverter module and a control module built in, and has communication interfaces such as WI FI and RS485, and can be interconnected with other devices for real-time monitoring, facilitating operation and maintenance management.

[0011] As a further solution of the present invention: a buffer plate is fixedly connected to the bottom of the buffer airbag, and the surface of the buffer plate is clamped with the inner cavity of the extrusion groove. When the upper connecting mechanism is downwardly contacted with the lower connecting mechanism, the buffer plate enters the embedded block, and then the buffer airbag is squeezed downward under the action of gravity. The internal gas is transported to the inside of the pneumatic piston rod through the connecting pipe, pushing the electrical connecting plug to pull the reset spring to move outward, and then plugged into the conductive groove in the connecting groove for electrical connection. It can be automatically connected under the action of gravity, and when not plugged in, it can automatically reset and drive the electrical connecting plug to be retracted to prevent it from being exposed to the outside and damaged.

[0012] As a further solution of the present invention: the upper connecting mechanism also includes a plug-in slot opened on the top of the battery module and the movable base, the plug-in block is plugged into the plug-in slot, the inner cavity of the plug-in block is provided with a movable slot, the inner cavity of the movable slot is slidably connected with a positioning block, the inner cavity of the plug-in slot is provided with a positioning slot plugged with the surface of the positioning block, the inner cavity of the movable slot is fixedly connected with a push spring, one end of the push spring is fixedly connected to one side of the positioning block, and the bottom of the positioning block is provided with an inclined surface, and the lower connecting mechanism also includes a pull rope transmittedly arranged in the inner cavity of the battery module and the control module, the inner cavity of the battery module and the control module is provided with a guide groove slidably connected to the pull rope, one end of the pull rope is fixedly connected to one side of the positioning block, and the other end of the pull rope is fixedly connected to a handle rotatably arranged on the side of the battery module and the control module.

[0013] As a further solution of the present invention: a dustproof net is fixed to the bottom of the connection box, and the power plug is isolated from the outside world by the dustproof net to prevent dust from entering and causing a short circuit.

[0014] As a further solution of the present invention: the inner cavity of the control module and the battery module is provided with a receiving groove for accommodating the plug-in block, and the inner cavity of the receiving groove is fixedly connected with a push spring abutting against the side of the plug-in block. The plug-in block is pushed by the push spring to maintain an outward moving state. When placed on flat ground, it is squeezed and retracted into the receiving groove, thereby keeping the bottom of the control module and the battery module level for easy placement.

[0015] As a further solution of the present invention: two plug-in blocks are provided, and are symmetrically arranged on both sides of the bottom of the control module and the battery module.

[0016] As a further solution of the present invention: the surface of the embedded block is surrounded by a sealing ring fixedly connected to the control module and the top of the battery module. When the control module and the battery module are assembled together, the sealing ring seals the gaps at the two connections to prevent external dust from entering.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention is easy to install, can be quickly moved and assembled, and can effectively prevent the bottom electrical connector from being exposed. It uses the gravity of the assembly to automatically match, and uses the airbag to achieve an effective shock-absorbing effect, with better protection function.

[0019] 2. In the present invention, the positioning block connects the control module, the battery module and the movable base when pulling upward. When separation is required, the control module or the battery module only needs to be lifted upward by the handle, and the handle drives the pull rope to be retracted, pulling the positioning block to compress the push spring and retract it into the movable groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural front view of the present invention;

[0021] Figure 2 It is a structural explosion diagram of the present invention;

[0022] Figure 3 It is a partial structural cross-sectional view of the battery module of the present invention;

[0023] Figure 4 It is a structural cross-sectional view of the battery module of the present invention;

[0024] Figure 5 For the present invention Figure 3 A partial enlarged view of the middle A;

[0025] Figure 6 For the present invention Figure 4 A partial enlarged view of point B in the middle.

[0026] In the figure: 1. control module; 2. inverter module; 3. battery module; 4. handle; 5. movable base; 6. battery; 7. embedded block; 8. connecting slot; 9. embedded slot; 10. cushioning airbag; 11. cushioning plate; 12. guide slot; 13. connecting box; 14. pneumatic piston rod; 15. connecting pipe; 16. electrical plug; 17. reset spring; 18. pull rope; 19. plug-in block; 20. plug-in slot; 21. positioning block; 22. inclined plane; 23. positioning slot; 24. movable slot; 25. push spring. DETAILED DESCRIPTION

[0027] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0028] See also Figure 1-6The present invention provides a technical solution: a stackable energy storage cabinet, comprising a control module 1, a plurality of battery modules 3 stacked on each other and a movable base 5 arranged in sequence from top to bottom, the bottom structure of the control module 1 is the same as the bottom structure of the battery module 3, the top of the movable base 5 is stacked with the bottom of the battery module 3, the control module 1, the plurality of battery modules 3 and the movable base 5 are stacked up and down into a movable whole, and a storage battery 6 is built in the inner cavity of the battery module 3;

[0029] The bottoms of the multiple battery modules 3 and the control module 1 are both provided with lower connecting mechanisms, and the tops of the multiple battery modules 3 and the inner cavity of the movable base 5 are both provided with upper connecting mechanisms connected with the lower connecting mechanisms;

[0030] The lower connecting mechanism includes an embedded groove 9 respectively provided below the control module 1 and the battery module 3 and a plug-in block 19 sliding below the control module 1 and the battery module 3, the inner cavity of the embedded groove 9 is respectively fixedly connected with a buffer airbag 10 and a connection box 13, the inner cavity of the connection box 13 is slidably connected with an electrical connection plug 16, the inner cavity of the connection box 13 is respectively fixedly connected with a return spring 17 and a pneumatic piston rod 14, one end of the return spring 17 and the pneumatic piston rod 14 are both fixedly connected to one side of the electrical connection plug 16, and the inner cavity of the buffer airbag 10 is connected with the inner cavity of the pneumatic piston rod 14 through a connecting pipe 15;

[0031] The upper connecting mechanism includes an embedded block 7 fixed on the top of the battery module 3 and the movable base 5 and plugged into the embedded groove 9. A connecting groove 8 adapted to the connecting box 13 is provided in the center of the embedded block 7. A conductive groove for plugging and electrically connecting with the electrical connecting plug 16 is provided in the inner cavity of the connecting groove 8. An extrusion groove adapted to the buffer airbag 10 is provided on the top of the embedded block 7. When it is used and taken out, it needs to be assembled. First, the movable base 5 is taken out, and then the number of battery modules 3 is selected according to the use requirements for upper and lower assembly, and then the control module 1 is installed at the top to form a movable power supply unit. During installation, the upper connecting mechanism is assembled with the lower connecting mechanism, and the buffer plate 11 enters the embedded block 7. Then, the buffer airbag 10 is squeezed downward under the action of gravity, and the internal gas is transported to the inside of the pneumatic piston rod 14 through the connecting pipe 15, pushing the electrical connecting plug 16 to pull the reset spring 17 to When not plugged in, it can automatically reset and drive the electrical connection plug 16 to be retracted to prevent it from being exposed to the outside and damaged. When connected, the plug-in block 19 is plugged into the plug-in slot 20. At this time, the side slope 22 of the positioning block 21 is squeezed and retracted into the movable slot 24, and then plugged into the plug-in slot 20. The push spring 25 pushes the positioning block 21 to extend out of the movable slot 24 and plug it into the positioning slot 23 in the plug-in slot 20 to connect. At this time, when the upper part is pulled, the positioning block 21 connects the control module 1, the battery module 3 and the movable base 5. When separation is required, only the hand-held handle 4 is needed to lift the control module 1 or the battery module 3 upward, and the handle 4 drives the pull rope 18 to be retracted, and the positioning block 21 is pulled to compress the push spring 25 and retract it into the movable slot 24.

[0032] The control module 1 has an inverter module 2 and a control module built in, and has communication interfaces such as WIFI and RS485, and can be interconnected with other devices for real-time monitoring, facilitating operation and maintenance management.

[0033] A buffer plate 11 is fixedly connected to the bottom of the buffer airbag 10, and the surface of the buffer plate 11 is clamped with the inner cavity of the extrusion groove. When the upper connecting mechanism is downwardly contacted with the lower connecting mechanism, the buffer plate 11 enters the embedded block 7, and then the buffer airbag 10 is squeezed downwardly under the action of gravity. The internal gas is transported to the inside of the pneumatic piston rod 14 through the connecting pipe 15, pushing the electrical connection plug 16 to pull the reset spring 17 to move outward, and plugging it into the conductive groove in the connecting groove 8 for electrical connection. It can be automatically connected under the action of gravity. When not plugged in, it can automatically reset and drive the electrical connection plug 16 to be retracted to prevent it from being exposed to the outside and damaged.

[0034] The upper connecting mechanism also includes a plug-in slot 20 opened on the top of the battery module 3 and the movable base 5, the plug-in block 19 is plugged into the plug-in slot 20, the inner cavity of the plug-in block 19 is provided with a movable slot 24, the inner cavity of the movable slot 24 is slidably connected with a positioning block 21, the inner cavity of the plug-in slot 20 is provided with a positioning slot 23 plugged with the surface of the positioning block 21, the inner cavity of the movable slot 24 is fixedly connected with a push spring 25, one end of the push spring 25 is fixedly connected to one side of the positioning block 21, and the bottom of the positioning block 21 is provided with an inclined surface 22, and the lower connecting mechanism also includes a pull rope 18 that is transmitted and arranged in the inner cavity of the battery module 3 and the control module 1, the inner cavity of the battery module 3 and the control module 1 is provided with a guide groove 12 that is slidably connected to the pull rope 18, one end of the pull rope 18 is fixedly connected to one side of the positioning block 21, and the other end of the pull rope 18 is fixedly connected to the handle 4 rotatably arranged on the side of the battery module 3 and the control module 1.

[0035] A dustproof net is fixed to the bottom of the connection box 13, and the electrical connection plug is isolated from the outside world by the dustproof net to prevent dust from entering and causing a short circuit.

[0036] The inner cavity of the control module 1 and the battery module 3 is provided with a receiving groove for accommodating the plug-in block 19, and the inner cavity of the receiving groove is fixedly connected with a push spring abutting against the side of the plug-in block 19. The plug-in block 19 is pushed by the push spring to keep it in an outward moving state. When placed on a flat ground, it is squeezed and retracted into the receiving groove, keeping the bottom of the control module 1 and the battery module 3 level for easy placement.

[0037] Two plug-in blocks 19 are provided and are symmetrically arranged on both sides of the bottom of the control module 1 and the battery module 3 .

[0038] The surface of the embedded block 7 is surrounded by a sealing ring fixedly connected to the top of the control module 1 and the battery module 3. When the control module 1 and the battery module 3 are assembled together, the sealing ring seals the gaps at the two joints to prevent external dust from entering.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A stackable energy storage cabinet, comprising a control module (1), a plurality of battery modules (3) stacked on top of each other and a movable base (5) arranged in sequence from top to bottom, characterized in that: The bottom structure of the control module (1) is the same as the bottom structure of the battery module (3); the top of the movable base (5) is stacked with the bottom of the battery module (3); the control module (1), the plurality of battery modules (3) and the movable base (5) are stacked up and down to form a movable whole; and a storage battery (6) is built into the inner cavity of the battery module (3); The bottoms of the plurality of battery modules (3) and the control module (1) are each provided with a lower connecting mechanism, and the tops of the plurality of battery modules (3) and the inner cavity of the movable base (5) are each provided with an upper connecting mechanism connected to the lower connecting mechanism; The lower connecting mechanism comprises an embedded groove (9) respectively arranged below the control module (1) and the battery module (3) and a plug-in block (19) sliding below the control module (1) and the battery module (3); the inner cavity of the embedded groove (9) is respectively fixedly connected with a buffer airbag (10) and a connection box (13); the inner cavity of the connection box (13) is slidably connected with an electrical connection plug (16); the inner cavity of the connection box (13) is respectively fixedly connected with a reset spring (17) and a pneumatic piston rod (14); one end of the reset spring (17) and the pneumatic piston rod (14) are both fixedly connected to one side of the electrical connection plug (16); the inner cavity of the buffer airbag (10) is connected with the inner cavity of the pneumatic piston rod (14) through a connecting pipe (15); The upper connection mechanism comprises an embedded block (7) fixed on the top of the battery module (3) and the movable base (5) and plugged into the embedded groove (9); a connection groove (8) adapted to the connection box (13) is provided at the center of the embedded block (7); a conductive groove electrically connected to the electrical connection plug (16) is provided in the inner cavity of the connection groove (8); and an extrusion groove adapted to the buffer airbag (10) is provided at the top of the embedded block (7).

2. A stackable energy storage cabinet according to claim 1, characterized in that: The control module (1) has an inverter module (2) and a control module built in.

3. A stackable energy storage cabinet according to claim 1, characterized in that: A buffer plate (11) is fixedly connected to the bottom of the buffer airbag (10), and the surface of the buffer plate (11) is clamped with the inner cavity of the extrusion groove.

4. The stackable energy storage cabinet according to claim 1, characterized in that: The upper connection mechanism also includes a plug-in slot (20) provided on the top of the battery module (3) and the movable base (5), the plug-in block (19) is plugged into the plug-in slot (20), the inner cavity of the plug-in block (19) is provided with a movable slot (24), the inner cavity of the movable slot (24) is slidably connected with a positioning block (21), the inner cavity of the plug-in slot (20) is provided with a positioning slot (23) plugged into the surface of the positioning block (21), the inner cavity of the movable slot (24) is fixedly connected with a push spring (25), one end of the push spring (25) is connected to the positioning block (21) ), the bottom of the positioning block (21) is provided with an inclined surface (22), the lower connection mechanism also includes a pull rope (18) which is arranged in the inner cavity of the battery module (3) and the control module (1), the inner cavity of the battery module (3) and the control module (1) is provided with a guide groove (12) which is slidably connected to the pull rope (18), one end of the pull rope (18) is fixedly connected to one side of the positioning block (21), and the other end of the pull rope (18) is fixedly connected to a handle (4) which is rotatably arranged on the side of the battery module (3) and the control module (1).

5. The stackable energy storage cabinet according to claim 1, characterized in that: A dustproof net is fixed at the bottom of the connection box (13), and the power plug is isolated from the outside world by the dustproof net to prevent dust from entering and causing a short circuit.

6. The stackable energy storage cabinet according to claim 1, characterized in that: The inner cavities of the control module (1) and the battery module (3) are provided with a receiving groove for receiving the plug-in block (19), and the inner cavity of the receiving groove is fixedly connected with a push spring abutting against the side of the plug-in block (19).

7. The stackable energy storage cabinet according to claim 1, characterized in that: Two plug-in blocks (19) are provided, and are symmetrically arranged on both sides of the bottom of the control module (1) and the battery module (3).

8. The stackable energy storage cabinet according to claim 1, characterized in that: The surface of the embedded block (7) is surrounded by a sealing ring which is fixedly connected to the control module (1) and the top of the battery module (3).

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