Energy storage all-in-one machine

Abstract

The utility model belongs to the technical field of photovoltaic energy storage, and particularly relates to an energy storage all-in-one machine which comprises a shell, a battery management unit and an inversion unit, the battery management unit and the inversion unit are fixedly connected into the shell, a second supporting foot is fixedly connected to one side of the shell, and a top base is connected to the side, adjacent to the second supporting foot, of the shell. According to the invention, the plurality of supporting legs II are designed at the top of the shell, the top seat at the top of the shell can be positioned through the plurality of supporting legs II, and the battery module II is arranged in the top seat, so that the battery module II and the battery module I in the shell can be conveniently connected in parallel; and meanwhile, a plurality of first supporting feet are designed at the top of the top base, the insertion grooves for containing the supporting feet are formed in the top base, capacity expansion processing of the energy storage machine can be achieved in the mode that the top base is stacked at the top of the shell, capacity expansion can be conducted according to requirements, and expansion is more convenient while expansibility is enhanced.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic energy storage technology, and specifically to an integrated energy storage machine. Background Art

[0002] The penetration rate of energy storage photovoltaics has increased significantly. At the same time, as an integrated energy storage device that can store photovoltaic solar energy and municipal electricity for use as a backup power source, it has been widely used in the field of energy storage technology.

[0003] The high-voltage control components and low-voltage control components of the existing integrated energy storage machine are installed in the same area, which causes the low-voltage and high-voltage components to affect each other. During maintenance, personnel may bump into high-voltage components, which reduces safety.

[0004] The existing patent (announcement number: CN218770703U) discloses an energy storage integrated machine, including multiple structures such as an energy storage integrated machine, a cabinet, a weak current area, a strong current area, a functional area, a functional module cabinet, a cabinet door, a maintenance window, an energy storage battery, and a battery management module. By separating the strong current area from the weak current area, the separation of strong and weak current is achieved, which is convenient for personnel to avoid touching the strong current battery management module during maintenance, and has higher safety.

[0005] However, when the existing integrated energy storage machine is in use, its internal space is limited and the number of battery modules that can be accommodated is limited. When the energy storage cabinet needs to be expanded, multiple energy storage machines need to be connected in parallel to achieve power and capacity expansion. However, the volume of a single energy storage machine is large, and expansion requires the entire energy storage machine to be moved. Therefore, the existing energy storage machine has weak scalability and is not convenient to expand. Utility Model Content

[0006] The purpose of the present application is to provide an integrated energy storage device to solve the problems of weak scalability and inconvenient expansion proposed in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an energy storage integrated machine, comprising a shell, a battery management unit and an inverter unit fixedly connected to the inside of the shell, a second support leg fixedly connected to one side of the shell, and a top seat connected to the side of the shell adjacent to the second support leg, a slot for accommodating the second support leg is provided inside the top seat, and a second screw groove is provided inside the top seat and the inside of the second support leg, a first support leg is fixedly connected to the side of the top seat away from the shell, and a screw groove is provided in the first support leg, a top plate is clamped on the side of the first support leg away from the top seat, and a battery module 2 and a battery module 1 are fixedly connected to the inside of the top seat and the shell, respectively.

[0008] In one embodiment, a through groove 1 and a through groove 2 are respectively provided inside the top seat and inside the shell, and a flow channel is provided inside the top seat, a metal heat dissipation pipe 2 having one end connected to the flow channel is fixedly connected to the inner wall of the through groove 1, and a fan 2 is fixedly connected to the opening of the through groove 1 away from the shell, and an installation cavity for accommodating battery module 2 is provided inside the top seat.

[0009] In one embodiment, a movable groove 2 is provided inside the shell, and a metal heat conducting plate is fixedly connected to the inner wall of the movable groove 2, a flow channel is also provided inside the metal heat conducting plate, a metal heat dissipation pipe 1 having one end connected to the flow channel is fixedly connected to the inner wall of the through groove 2, and a through groove 3 connected to the through groove 2 is provided on the inner wall of the movable groove 2.

[0010] In one embodiment, a slide rail is fixedly connected to the inner wall of the movable groove 2, a slide seat is slidably connected to the slide rail, and a cavity for accommodating the metal heat conductive plate is opened inside the slide seat, and the battery module 1 is fixedly mounted on the slide seat.

[0011] In one of the embodiments, a movable groove 1 and a movable groove 3 connecting the movable groove 1 with the through groove 2 are further provided inside the shell, and a water pump unit is fixedly connected in the movable groove 1, the other ends of the metal heat dissipation tube 1 and the metal heat dissipation tube 2 are connected to the water pump unit, the openings of the movable groove 1 and the movable groove 2 are rotatably connected to a door body, and a fan 1 is fixedly connected to the door body connected to the inner wall of the movable groove 2.

[0012] In one embodiment, a first wire groove connected to the first through groove is formed inside the top seat, and a second wire groove connected to the second through groove is formed on the inner wall of the second movable groove.

[0013] In one embodiment, a mounting groove is provided inside the shell, and the battery management unit and the inverter unit are both fixedly connected to the inner wall of the mounting groove. A wire groove three communicating with the through groove two is also provided on the inner wall of the mounting groove.

[0014] Compared with the prior art, the beneficial effects of this application are:

[0015] 1) In the present application, a plurality of legs 2 are designed on the top of the shell, and the top seat on the top of the shell can be positioned by the plurality of legs 2. By providing a battery module 2 inside the top seat, it is convenient to connect the battery module 2 in parallel with the battery module 1 in the shell, so as to expand the capacity of the energy storage machine. At the same time, a plurality of legs 1 are also designed on the top of the top seat, and slots for accommodating the legs are provided inside the top seat. The capacity expansion of the energy storage machine can be achieved by stacking the top seats on the top of the shell, so that the capacity can be expanded according to the demand, which enhances the expansibility and makes the expansion more convenient.

[0016] 2) The present application provides through grooves inside the shell and the top seat, and flow channels inside the top seat and the metal heat conducting plate. The water pump unit pumps circulating cooling water to the metal heat dissipation pipe 1 and the metal heat dissipation pipe 2 respectively, and takes away the heat from the metal heat conducting plate and the top seat respectively, thereby achieving cooling of the two battery modules. At the same time, the external air can be pumped into the active groove 2 through the fan 1, and then into the groove 2 through the through groove 3. The fan 2 draws the gas in the groove 1 and the groove 2 outward, thereby accelerating the flow of air in the active groove 2 and the groove 2, and improving the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of this application;

[0018] Figure 2 This is a schematic diagram of the structure of the support foot 1, screw groove 1 and fan 2 of the present application;

[0019] Figure 3 This is a schematic diagram of the second structure of the slot, through slot and metal heat dissipation pipe of this application;

[0020] Figure 4 This is a schematic diagram of the movable slot 2, water pump unit, through slot 3 and slide structure of the present application;

[0021] Figure 5 This is a schematic diagram of the structure of the through slot 2 and the movable slot 3 of this application;

[0022] Figure 6 This is a structural schematic diagram of the slide seat and metal heat dissipation pipe of the present application;

[0023] Figure 7 This is a schematic diagram of the battery management unit and inverter unit structure of this application.

[0024] In the figure: 1. Shell; 11. Movable slot 1; 12. Water pump unit; 13. Movable slot 2; 14. Battery module 1; 15. Slide rail; 16. Metal heat conducting plate; 17. Wire slot 2; 18. Through slot 3; 19. Slide seat; 191. Metal heat dissipation pipe 1; 2. Door body; 3. Fan 1; 4. Top seat; 41. Support leg 1; 42. Screw slot 1; 43. Screw slot 2; 44. Battery module 2; 45. Fan 2; 46. Slot; 47. Through slot 1; 48. Metal heat dissipation pipe 2; 49. Installation cavity; 50. Wire slot 1; 5. Top plate; 6. Movable slot 3; 7. Support leg 2; 8. Through slot 2; 9. Installation slot; 91. Battery management unit; 92. Inverter unit; 10. Wire slot 3. Implementation

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and 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 therefore should not be understood as a limitation on the present application. Example

[0027] See also Figure 1-7 The present application provides a technical solution: an energy storage integrated machine, comprising a shell 1, a battery management unit 91 and an inverter unit 92 fixedly connected to the inside of the shell 1, a support leg 2 7 fixedly connected to one side of the shell 1, and a top seat 4 connected to the side of the shell 1 adjacent to the support leg 2 7, a slot 46 for accommodating the support leg 2 7 is opened inside the top seat 4, and a screw groove 2 43 is opened inside the top seat 4 and the inside of the support leg 2 7, the support leg 2 7 is inserted into the slot 46, and then a bolt is screwed into the screw groove 2 43, and the position of the support leg 2 7 in the slot 46 is limited to realize the fixed connection between the shell 1 and the top seat 4, the top seat 4 is fixedly connected to a support leg 1 41 on the side away from the shell 1, and a screw groove 1 42 is opened in the support leg 1 41, and the support leg 1 41 is back to the top seat 4 There is a top plate 5 clamped on one side, and in this application, only a top seat 4 is shown to be connected to the top of the shell 1. Since a slot 46 is opened inside the top seat 4, the top plate 5 can be removed, and another top seat 4 can be installed on the top of the top seat 4, and the support foot 41 can be inserted into the slot 46 inside the other top seat 4 and connected by bolts. In this way, the capacity of the energy storage machine can be expanded by stacking the top seat 4 on the top of the shell 1, which enhances the expansibility and makes the expansion more convenient. The top seat 4 and the shell 1 are respectively fixedly connected with a battery module 2 44 and a battery module 1 14. The battery module 2 44 can be connected in parallel with the battery module 1 14 in the shell 1 to expand the capacity of the energy storage machine. Since the top seat 4 can be installed, it can be expanded according to actual needs.

[0028] See also Figure 2-Figure 5In this embodiment, the housing 1 is further provided with a movable groove 11 and a movable groove 3 6 connecting the movable groove 11 with the through groove 2 8, and a water pump unit 12 is fixedly connected to the movable groove 11; the water pump unit 12 is used to pump circulating coolant, and the water pump unit 12 in this application is composed of a plurality of circulating pumps, connecting pipelines and other structures;

[0029] A through groove 1 47 and a through groove 2 8 are respectively provided inside the top seat 4 and inside the shell 1, and a flow channel is provided inside the top seat 4. The flow channel is provided to facilitate the circulation of cooling water to take away the heat of the top seat 4, thereby cooling the battery module 2 44. A metal heat dissipation pipe 2 48 having one end connected to the flow channel is fixedly connected to the inner wall of the through groove 1 47. The water pump unit 12 pumps circulating cooling water into the flow channel from one end of the metal heat dissipation pipe 2 48, and the circulating cooling water flows back from the other end of the flow channel to the other end of the metal heat dissipation pipe 2 48, and then flows back into the water pump unit 12 from the other end of the metal heat dissipation pipe 2 48. A fan 2 45 is fixedly connected to the opening of the through groove 1 47 away from the shell 1. An installation cavity 49 for accommodating the battery module 2 44 is provided inside the top seat 4. The fan 2 45 can draw the air in the through groove 1 47 outward, thereby accelerating the flow of air in the through groove 1 47 and cooling the metal heat dissipation pipe 2 48.

[0030] A movable groove 13 is provided inside the shell 1, and a metal heat conducting plate 16 is fixedly connected to the inner wall of the movable groove 13. A flow channel is also provided inside the metal heat conducting plate 16. A metal heat dissipation pipe 191 with one end connected to the flow channel is fixedly connected to the inner wall of the through groove 8. The water pump unit 12 also pumps circulating water into the metal heat dissipation pipe 191, and the circulating water flows from the metal heat dissipation pipe 191 into the flow channel inside the metal heat conducting plate 16, and then flows back into the water pump unit 12 to realize circulation. A slide rail 15 is fixedly connected to the inner wall of the movable groove 13, and a slide seat 19 is slidably connected to the slide rail 15. A cavity for accommodating the metal heat conductive plate 16 is opened inside the slide seat 19. The battery module 14 is fixedly mounted on the slide seat 19. The heat of the battery module 14 is transferred to the slide seat 19, and then transferred to the metal heat conductive plate 16 through the slide seat 19. The slide seat 19 must be made of heat conductive material. The circulating water flows through the metal heat conductive plate 16 to take away the heat from the metal heat conductive plate 16, thereby achieving heat dissipation of the battery module 14.

[0031] The other ends of the metal heat dissipation tube 1 191 and the metal heat dissipation tube 2 48 are connected to the water pump unit 12, and the openings of the movable groove 11 and the movable groove 2 13 are rotatably connected to the door body 2, and the door body 2 connected to the inner wall of the movable groove 2 13 is fixedly connected to a fan 3, and the inner wall of the movable groove 2 13 is provided with a through groove 3 18 connected to the through groove 2 8. When the fan 1 3 works, the air outside the shell 1 is drawn into the movable groove 2 13, and the air enters the through groove 2 8 from the through groove 3 18, and enters the through groove 1 47 from the through groove 2 8, and is finally discharged outward by the fan 2 45, so that the metal heat dissipation tube 191 and the metal heat dissipation tube 2 48 can be cooled.

[0032] A wire groove 50 connected to the through groove 47 is provided inside the top seat 4, and a wire groove 17 connected to the through groove 8 is provided on the inner wall of the movable groove 13 to facilitate the threading and connection of the wire body.

[0033] See also Figure 7 In this embodiment, a mounting groove 9 is provided inside the shell 1, and the battery management unit 91 and the inverter unit 92 are both fixedly connected to the inner wall of the mounting groove 9. A wire groove three 10 connected to the through groove two 8 is also provided on the inner wall of the mounting groove 9.

[0034] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic features of the present application; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present application is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present application, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0035] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An integrated energy storage device, comprising a housing (1), a battery management unit (91) and an inverter unit (92) fixedly connected to the inside of the housing (1), characterized in that: A second support leg (7) is fixedly connected to one side of the shell (1), and a top seat (4) is connected to a side of the shell (1) adjacent to the second support leg (7); a slot (46) for accommodating the second support leg (7) is provided inside the top seat (4), and a second screw groove (43) is provided inside the top seat (4) and the second support leg (7); a first support leg (41) is fixedly connected to the side of the top seat (4) away from the shell (1), and a screw groove (42) is provided inside the first support leg (41); a top plate (5) is clamped to the side of the first support leg (41) away from the top seat (4); a second battery module (44) and a first battery module (14) are fixedly connected to the inside of the top seat (4) and the shell (1), respectively.

2. The energy storage integrated device according to claim 1, characterized in that: A through groove 1 (47) and a through groove 2 (8) are respectively provided inside the top seat (4) and inside the shell (1), and a flow channel is provided inside the top seat (4). A metal heat dissipation pipe 2 (48) having one end connected to the flow channel is fixedly connected to the inner wall of the through groove 1 (47), and a fan 2 (45) is fixedly connected to the opening of the through groove 1 (47) away from the shell (1). A mounting cavity (49) for accommodating a battery module 2 (44) is provided inside the top seat (4).

3. The energy storage integrated machine according to claim 2, characterized in that: The shell (1) is provided with a movable groove (13) inside, and a metal heat conducting plate (16) is fixedly connected to the inner wall of the movable groove (13), and a flow channel is also provided inside the metal heat conducting plate (16). A metal heat dissipation pipe (191) having one end connected to the flow channel is fixedly connected to the inner wall of the through groove (8), and a through groove (18) connected to the through groove (8) is provided on the inner wall of the movable groove (13).

4. The energy storage integrated machine according to claim 3, characterized in that: A slide rail (15) is fixedly connected to the inner wall of the movable groove 2 (13), a slide seat (19) is slidably connected to the slide rail (15), and a cavity for accommodating a metal heat conducting plate (16) is provided inside the slide seat (19), and the battery module 1 (14) is fixedly mounted on the slide seat (19).

5. The energy storage integrated machine according to claim 3, characterized in that: The shell (1) is also provided with a movable groove 1 (11) and a movable groove 3 (6) connecting the movable groove 1 (11) with the through groove 2 (8), and a water pump unit (12) is fixedly connected in the movable groove 1 (11), and the other ends of the metal heat dissipation pipe 1 (191) and the metal heat dissipation pipe 2 (48) are connected to the water pump unit (12), and the openings of the movable groove 1 (11) and the movable groove 2 (13) are rotatably connected to the door body (2), and the door body (2) connected to the inner wall of the movable groove 2 (13) is fixedly connected to the fan 1 (3).

6. The energy storage integrated machine according to claim 5, characterized in that: A wire groove one (50) connected to the through groove one (47) is provided inside the top seat (4), and a wire groove two (17) connected to the through groove two (8) is provided on the inner wall of the movable groove two (13).

7. The energy storage integrated machine according to claim 6, characterized in that: The housing (1) is provided with a mounting groove (9) inside, and the battery management unit (91) and the inverter unit (92) are both fixedly connected to the inner wall of the mounting groove (9), and the inner wall of the mounting groove (9) is also provided with a wire groove three (10) connected to the through groove two (8).

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