Off-grid diesel-storage hybrid energy integrated power supply system

Abstract

The utility model discloses an off-grid type diesel and storage mixed energy integrated power supply system which comprises an energy storage cabin, a diesel engine cabin is fixedly connected to the side edge of the energy storage cabin, a hinge is fixedly connected to the upper surface of the diesel engine cabin, a diesel engine cabin cover plate is fixedly connected to the side edge of the hinge, a hinge is fixedly connected to the upper surface of the energy storage cabin, and a diesel engine cabin cover plate is fixedly connected to the side edge of the hinge. An energy storage cabin cover plate is fixedly connected to the side edge of the hinge, a limiting block is fixedly connected to the bottom of the energy storage cabin, a protective cover plate is movably clamped to the front surface of the energy storage cabin, a first connecting plate is fixedly connected to the surface of the side edge of the energy storage cabin, and a fixing block is fixedly connected to the front surface of the first connecting plate; a nut is fixedly connected to the surface of the side edge of the fixing block. According to the device, a threaded rod is arranged, and after a user screws the threaded rod and takes down the threaded rod from a nut, the user can take down the protective cover plate from the energy storage cabin, so that the user can conveniently use and overhaul the interior of the power supply system.

Description

Technical Field

[0001] The utility model belongs to the technical direction of diesel-storage hybrid energy, and specifically relates to an off-grid diesel-storage hybrid energy integrated power supply system. Background Art

[0002] The "diesel-storage" hybrid is a simple microgrid that is upgraded based on traditional diesel generator sets. It optimizes the working mode of the energy storage unit and the diesel generator unit, responds quickly to instantaneous power fluctuations and supports the frequency of the microgrid system. At the same time, it improves the efficiency of the diesel generator, so that the diesel unit is always kept in the best operating state, reduces the loss of the diesel unit, reduces fuel costs, and can be customized by users.

[0003] The existing technology has the following problems:

[0004] 1. The general energy storage cabinets currently available on the market cannot read the load power of the diesel generator. When the energy storage SOC is low, the diesel generator is loaded and charged at the same time, which may cause the small power diesel generator to overload and shut down, resulting in power outage; or cause the large power diesel generator to have low load and high fuel consumption;

[0005] 2. The existing power supply systems on the market are not convenient enough when users need to use and repair them, and users are required to disassemble the entire system. Utility Model Content

[0006] The purpose of the utility model is to provide an off-grid diesel-storage hybrid energy integrated power supply system for existing devices to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an off-grid diesel-storage hybrid integrated power supply system, comprising an energy storage cabin, the side of the energy storage cabin is fixedly connected to a diesel generator cabin, the upper surface of the diesel generator cabin is fixedly connected to a loose-leaf, the side of the loose-leaf is fixedly connected to a diesel generator cabin cover, and the upper surface of the energy storage cabin is fixedly connected to a loose-leaf.

[0008] The side of the loose-leaf is fixedly connected to a storage compartment cover, the bottom of the energy storage compartment is fixedly connected to a limiting block, the front surface of the energy storage compartment is movably clamped with a protective cover, the side surface of the energy storage compartment is fixedly connected to a first connecting plate, the front surface of the first connecting plate is fixedly connected to a fixing block, and the side surface of the fixing block is fixedly connected to a nut.

[0009] The side surface of the protective cover is fixedly connected with a second connecting plate, the interior of the energy storage cabin is fixedly connected with an inverter, the interior of the diesel generator cabin is fixedly connected with a control system, the front surface of the control system is fixedly connected with a diesel generator control module, the front surface of the control system is fixedly connected with an EMS detection management system, and the front surface of the control system is fixedly connected with an electric switch.

[0010] The utility model further describes that a limiting opening is formed through the front surface of the limiting block, and the number of the limiting openings is multiple.

[0011] By adopting the above technical solution, the plurality of limit openings in the solution can facilitate the user to use bolts to perform limit installation on the limit block.

[0012] The utility model further illustrates that a threaded rod is movably clamped on the inner ring surface of the nut, and the threaded rod is connected through the nut and the fixing block and the first connecting plate.

[0013] By adopting the above technical solution, the threaded rod connected between the nut and the fixing block and the first connecting plate in the solution can facilitate the user to connect the first connecting plate and the threaded rod.

[0014] The utility model further illustrates that an energy storage battery is fixedly connected to the interior of the energy storage cabin, and the number of the energy storage batteries is multiple.

[0015] By adopting the above technical solution, a plurality of energy storage batteries in the solution can be convenient for users to use for power supply.

[0016] The utility model further describes that the fixing block connects the nut and the first connecting plate, and the fixing block is symmetrically arranged up and down with the horizontal dividing line of the nut as the symmetry axis.

[0017] By adopting the above technical solution, the fixing blocks in the solution which are symmetrically arranged up and down with the horizontal dividing line of the nut as the symmetry axis can facilitate the user to stably install and connect the nut to the first connecting plate.

[0018] The utility model further describes that the loose leaf connects the energy storage compartment cover and the energy storage compartment, and the loose leaf is multiple and parallel to each other.

[0019] By adopting the above technical solution, the plurality of hinges parallel to each other in the solution can facilitate the user to connect the energy storage compartment cover and the energy storage compartment.

[0020] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0021] The utility model provides an off-grid diesel-storage hybrid integrated power supply system, and can facilitate users to use the power supply system through the coordination and use of the energy storage cabin, protective cover, limit block, limit opening, energy storage cabin cover, loose-leaf, diesel-generator cabin cover, first connecting plate, fixing block, nut, second connecting plate, threaded rod, energy storage battery, diesel-generator cabin, inverter, control system, diesel-generator control module and EMS detection management system, which integrates energy storage and diesel-generator into one system, and is convenient to transport and use; matches diesel-generator with appropriate power to prevent rated high fuel consumption caused by using high-power diesel-generator, and utilizes the EMS detection management system The energy storage and diesel generator energy are intelligently called and allocated. The EMS is set to read the operating status, operating mode and closing and opening status of the diesel generator control module through communication. When the energy storage SOC is high, the energy storage system is powered by the PCS in the VF operating mode, and the diesel generator set is in the shutdown standby automatic mode through the diesel generator control module, and the energy storage is loaded; when the energy storage SOC is low, the energy storage sends a diesel generator start signal through the EMS. After the diesel generator runs normally, the energy storage system PCS switches to PQ mode through the EMS, and the diesel generator closes and takes priority to take the load. The EMS reads the load power of the diesel generator, and the excess power after the diesel generator is loaded is used to charge the energy storage. When the energy storage is full, the EMS sends a diesel generator shutdown signal, the diesel generator opens, and the energy storage system PCS switches to VF mode again through the EMS to take the load, meeting the user's needs for convenient use;

[0022] The utility model provides an off-grid diesel-storage hybrid integrated power supply system, and through a threaded rod, after the user twists the threaded rod and removes it from the nut, the user can remove the protective cover on the energy storage cabin, so that the user can conveniently use and maintain the inside of the power supply system, meeting the user's demand for convenient use and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a top view of the structure of the utility model;

[0026] Figure 3 It is a structural front cross-sectional view of the utility model;

[0027] Figure 4 The structure of the utility model Figure 1 A magnified view of the structure at center;

[0028] Figure 5 It is a bottom view of the structure of the utility model.

[0029] In the figure: 1. Energy storage compartment; 2. Protective cover; 3. Limit block; 4. Limit opening; 5. Energy storage compartment cover; 6. Loose-leaf; 7. Diesel engine compartment cover; 8. First connecting plate; 9. Fixing block; 10. Nut; 11. Second connecting plate; 12. Threaded rod; 13. Energy storage battery; 14. Diesel engine compartment; 15. Inverter; 16. Control system; 17. Diesel engine control module; 18. EMS detection and management system; 19. Electric switch. DETAILED DESCRIPTION

[0030] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-5 The utility model provides a technical solution: an off-grid diesel-storage hybrid integrated power supply system, including an energy storage cabin 1, the side of the energy storage cabin 1 is fixedly connected to a diesel generator cabin 14, the upper surface of the diesel generator cabin 14 is fixedly connected to a loose-leaf 6, the side of the loose-leaf 6 is fixedly connected to a diesel generator cabin cover 7, the upper surface of the energy storage cabin 1 is fixedly connected to the loose-leaf 6, and the side of the loose-leaf 6 is fixedly connected to the energy storage cabin cover 5.

[0032] In this embodiment, a limiting opening 4 is formed through the front surface of the limiting block 3, and there are multiple limiting openings 4. The multiple limiting openings 4 can facilitate the user to use bolts to limit and install the limiting block 3. The inner ring surface of the nut 10 is movably clamped with a threaded rod 12, and the threaded rod 12 is connected between the nut 10 and the fixing block 9 and the first connecting plate 8. The threaded rod 12 connected between the nut 10 and the fixing block 9 and the first connecting plate 8 can facilitate the user to connect the first connecting plate 8 and the threaded rod 12. Example

[0033] like Figure 1-5 As shown, based on Example 1, the utility model provides a technical solution: preferably, the bottom of the energy storage cabin 1 is fixedly connected to a limiting block 3, the front surface of the energy storage cabin 1 is movably connected with a protective cover plate 2, the side surface of the energy storage cabin 1 is fixedly connected to a first connecting plate 8, and the front surface of the first connecting plate 8 is fixedly connected to a fixed block 9.

[0034] In this embodiment, an energy storage battery 13 is fixedly connected to the interior of the energy storage cabin 1, and the number of energy storage batteries 13 is multiple, and the multiple energy storage batteries 13 can be convenient for users to use for power supply. The fixing block 9 connects the nut 10 and the first connecting plate 8, and the fixing block 9 is symmetrically arranged up and down with the horizontal dividing line of the nut 10 as the symmetry axis. The fixing block 9 symmetrically arranged up and down with the horizontal dividing line of the nut 10 as the symmetry axis can facilitate the user to stably install the nut 10 on the first connecting plate 8. Example

[0035] like Figure 1-5 As shown, on the basis of Example 1 and Example 2, the utility model provides a technical solution: preferably, a nut 10 is fixedly connected to the side surface of the fixing block 9, a second connecting plate 11 is fixedly connected to the side surface of the protective cover plate 2, an inverter 15 is fixedly connected to the interior of the energy storage cabin 1, a control system 16 is fixedly connected to the interior of the diesel engine cabin 14, a diesel engine control module 17 is fixedly connected to the front surface of the control system 16, an EMS detection management system 18 is fixedly connected to the front surface of the control system 16, and an electric switch 19 is fixedly connected to the front surface of the control system 16.

[0036] In this embodiment, the loose-leaf 6 connects the energy storage compartment cover 5 and the energy storage compartment 1, and there are multiple loose-leafs 6 that are parallel to each other. Multiple loose-leafs 6 that are parallel to each other can facilitate the user to connect the energy storage compartment cover 5 and the energy storage compartment 1.

[0037] like Figure 1-5As shown, when the user needs to use it, it integrates energy storage and diesel generator into a system, which is easy to transport and use; it matches the diesel generator with appropriate power to prevent the use of high-power diesel generator from causing rated high fuel consumption, and uses the EMS detection management system 18 to intelligently call and allocate the energy storage and diesel generator energy. It reads the operating status, operating mode and closing and opening status of the diesel generator control module 17 through the communication set EMS. When the energy storage SOC is high, the energy storage system is powered by PCS in VF operating mode, and the diesel generator set is in shutdown standby automatic mode through the diesel generator control module 17, and the energy storage is loaded; when the energy storage SOC is low, the energy storage sends a diesel generator start signal through EMS. After the diesel generator runs normally, the energy storage system PCS switches to PQ mode through EMS, and the diesel generator closes the switch and takes priority to take the load. EMS reads the load power of the diesel generator, and the excess power after the diesel generator is loaded is used to charge the energy storage. When the energy storage is full, the EMS sends a diesel generator shutdown signal, the diesel generator is disconnected, and the energy storage system PCS switches to VF mode again through the EMS to carry the load. Through the set threaded rod 12 and after the user twists the threaded rod 12 and removes it from the nut 10, the user can remove the protective cover 2 on the energy storage cabin 1, so that the user can conveniently use and maintain the power supply system.

[0038] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0039] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An off-grid diesel-storage hybrid integrated power supply system, comprising an energy storage cabin (1), characterized in that: The side of the energy storage cabin (1) is fixedly connected to a diesel engine cabin (14), and the upper surface of the diesel engine cabin (14) is fixedly connected to a hinge (6); The side of the loose-leaf (6) is fixedly connected to a diesel engine compartment cover (7), the upper surface of the energy storage compartment (1) is fixedly connected to the loose-leaf (6), the side of the loose-leaf (6) is fixedly connected to an energy storage compartment cover (5), the bottom of the energy storage compartment (1) is fixedly connected to a limit block (3), and the front surface of the energy storage compartment (1) is movably connected to a protective cover (2); The side surface of the energy storage cabin (1) is fixedly connected to a first connection plate (8), the front surface of the first connection plate (8) is fixedly connected to a fixing block (9), the side surface of the fixing block (9) is fixedly connected to a nut (10), the side surface of the protective cover plate (2) is fixedly connected to a second connection plate (11), the interior of the energy storage cabin (1) is fixedly connected to an inverter (15), the interior of the diesel engine cabin (14) is fixedly connected to a control system (16), the front surface of the control system (16) is fixedly connected to a diesel engine control module (17), the front surface of the control system (16) is fixedly connected to an EMS detection management system (18), and the front surface of the control system (16) is fixedly connected to an electric switch (19).

2. The off-grid diesel-storage hybrid integrated power supply system according to claim 1, characterized in that: The front surface of the limiting block (3) is provided with a limiting opening (4) extending therethrough, and the limiting openings (4) are multiple in number.

3. The off-grid diesel-storage hybrid integrated power supply system according to claim 1 is characterized in that: A threaded rod (12) is movably clamped on the inner ring surface of the nut (10), and the threaded rod (12) is connected through the nut (10) and the fixing block (9) and the first connecting plate (8).

4. The off-grid diesel-storage hybrid integrated power supply system according to claim 1 is characterized by: An energy storage battery (13) is fixedly connected to the interior of the energy storage cabin (1), and there are a plurality of energy storage batteries (13).

5. The off-grid diesel-storage hybrid integrated power supply system according to claim 1 is characterized by: The fixing block (9) connects the nut (10) and the first connecting plate (8), and the fixing block (9) is symmetrically arranged up and down with the horizontal dividing line of the nut (10) as the symmetry axis.

6. The off-grid diesel-storage hybrid integrated power supply system according to claim 1 is characterized by: The loose leaf (6) connects the energy storage compartment cover plate (5) and the energy storage compartment (1), and there are a plurality of loose leaves (6) which are parallel to each other.

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