High-voltage access transformer substation of energy storage system

Abstract

The utility model discloses a high-voltage access transformer station of an energy storage system, which comprises a transformer station integration box, the front surface of the transformer station integration box is fixedly connected with a wire holder, the inner cavity of the wire holder is connected with a connector lug, and the front surface of the transformer station integration box is fixedly connected with a first protection frame and a second protection frame for protecting the wire holder. The first protection frame is provided with a shielding assembly for protecting the wiring seat, the shielding assembly and the first protection frame form a wiring seat protection box body, the outer wall of the wiring head is provided with a clamping assembly, and the clamping assembly and the shielding assembly are matched to lock the wiring head. According to the utility model, the first protection frame, the second protection frame, the shielding assembly and the positioning assembly are cooperatively used, so that when the connector lug is not connected with the connector base, the shielding assembly can seal and protect the connector base and reduce external interference on the connector lug, and when the connector lug is connected with the connector base, the shielding assembly can shield the connector base. The positioning assembly can cooperate with the shielding assembly to bind the connector, thereby guaranteeing the stable connection between the connector and the wire holder.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage systems, and in particular to a high-voltage access transformer substation for an energy storage system. Background Art

[0002] The high-voltage access substation is an important facility in the power system, used to transmit electricity from power plants to consumers. It is a key link in the power grid, playing the role of converting high-voltage electric energy into low-voltage electric energy suitable for distribution and use. In order to improve the safety of the use of high-voltage access substations, high-voltage access substation equipment will be assembled inside a prefabricated box and protected by a prefabricated box.

[0003] When wiring cables in high-voltage access substations, a terminal block is usually installed on the back of the substation integration box, so that the cable is directly connected to the terminal block on the back of the substation integration box using the terminal head, and the cable wiring is completed. In order to protect the terminal block on the back of the substation integration box, a frame is usually directly installed on the outside to protect the cable terminal block. However, when the terminal head at the end of the cable is separated from the terminal block, the terminal block is exposed to the outside, and external dust or rainwater will enter the interior of the terminal head from the opening of the frame, thereby affecting the subsequent use of the terminal head, and it is not convenient to shield and protect the terminal head when it is not in use. Utility Model Content

[0004] The purpose of the utility model is to provide a high voltage access substation for an energy storage system to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a high voltage access substation of an energy storage system, comprising a substation integrated box, a wiring seat is fixedly connected to the front of the substation integrated box, and a wiring head is connected to the inner cavity of the wiring seat;

[0006] The front of the substation integrated box is fixedly connected to the first protection frame and the second protection frame for protecting the wiring sockets, and the interiors of the first protection frame and the second protection frame are both provided with shielding components for protecting the wiring sockets. The shielding components and the first protection frame form a wiring socket protection box body, and the outer wall of the wiring head is provided with a snap-on component, and the snap-on component cooperates with the shielding component to lock the wiring head.

[0007] Preferably, the shielding component comprises:

[0008] A sealing plate, wherein a sliding hole is provided on one side of the first protection frame and one side of the second protection frame, and an outer wall of the sealing plate is slidably sleeved with an inner cavity of the sliding hole;

[0009] A limiting component is arranged on the other side of the first protective frame, and is used to limit the sealing plate.

[0010] Preferably, the limiting component comprises:

[0011] A connecting rod, one end of which is fixedly connected to the sealing plate, and an outer wall of the connecting rod is slidably interlaced with the first protective frame;

[0012] A limit plate and a first limit spring, wherein the limit plate is fixedly connected to the end of the connecting rod, the first limit spring is slidably sleeved on the outer wall of the connecting rod, and the first limit spring is located between the limit plate and the first protective frame.

[0013] Preferably, a connecting plate is fixedly connected to one side of the sealing plate, one side of the connecting plate is in contact with the outer wall of the first protective frame, and a handle is fixedly connected to the other side of the connecting plate.

[0014] Preferably, the clamping assembly comprises:

[0015] A fixing plate, the fixing plate being fixedly sleeved on the outer wall of the terminal head;

[0016] A positioning plate, one end of the outer wall of the positioning plate is slidably sleeved with the fixing plate, and the positioning plate is located on a side of the connecting rod close to the wiring seat.

[0017] Preferably, the top and bottom of the fixing plate are symmetrically provided with connecting grooves, one end of the outer wall of the positioning plate is slidably sleeved with the connecting groove, and the inner cavity of the connecting groove is slidably sleeved with a second limit spring acting on the positioning plate.

[0018] Preferably, sliding holes are symmetrically provided on the sides of the fixing plate, a handle is slidably sleeved in the inner cavity of the sliding hole, a threaded groove is provided on one side of the positioning plate, and one end of the outer wall of the handle is threadedly sleeved in the inner cavity of the threaded groove.

[0019] Technical effects and advantages of the utility model:

[0020] The utility model utilizes the coordinated use of the first protective frame, the second protective frame, the shielding assembly and the positioning assembly. When the terminal head is not connected to the terminal socket, the shielding assembly can seal and protect the terminal socket to reduce external interference. When the terminal head is connected to the terminal socket, the positioning assembly can cooperate with the shielding assembly to restrain the terminal head to ensure the stability of the connection between the terminal head and the terminal socket. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2It is a schematic diagram of the overall structure of the first protective frame of the utility model.

[0023] Figure 3 It is a schematic diagram of the internal structure of the first protective frame of the utility model in top view.

[0024] Figure 4 It is a schematic diagram of the internal structure of the side of the fixing plate of the utility model.

[0025] In the figure: 1. Substation integrated box; 2. First protection frame; 3. Second protection frame; 4. Shielding assembly; 41. Sealing plate; 42. Connecting rod; 43. Limiting plate; 44. First limiting spring; 45. Connecting plate; 46. Handle; 5. Terminal block; 6. Terminal head; 7. Snap-in assembly; 71. Fixing plate; 72. Positioning plate; 73. Connecting groove; 74. Second limiting spring; 75. Handle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0027] The utility model provides Figure 1-4The energy storage system shown is connected to a high-voltage transformer substation, including a transformer substation integrated box 1. A wiring seat 5 is fixedly connected to the front of the transformer substation integrated box 1. A wiring head 6 is connected to the inner cavity of the wiring seat 5. The transformer substation integrated box 1 uses the wiring seat 5 and the wiring head 6 for high-voltage access. The high-voltage access technology includes direct AC access and direct DC access. In AC access, the energy storage system is connected to the power grid through a frequency converter, so that the energy storage system can exchange energy with the power grid in both directions. In DC access, the energy storage system is connected to the power grid through a transformer to achieve direct energy conversion. The front of the transformer substation integrated box 1 is fixedly connected to a first protective frame 2 and a second protective frame 3 for protecting the wiring seat 5, and the wiring seat 5 and the wiring head 6 inside the first protective frame 2 are connected to the first protective frame 2. The head 6 is a power access line, the terminal block 5 and the terminal head 6 inside the second protective frame 3 are outlet lines, and the first protective frame 2 and the second protective frame 3 are both provided with a shielding component 4 for protecting the terminal block 5. The shielding component 4 and the first protective frame 2 form a protective box body for the terminal block 5, that is, when the terminal block 5 is not connected to the terminal head 6, the shielding component 4 can seal and protect the terminal block 5 to reduce the interference of external dust and water flow. The outer wall of the terminal head 6 is provided with a clamping component 7, and the clamping component 7 cooperates with the shielding component 4 to lock the terminal head 6. When the terminal block 5 and the terminal head 6 are docked, the shielding component 4 is in an open state. The clamping component 7 is locked to the terminal head 6 under the limitation of the shielding component 4, thereby ensuring the stability of the docking between the terminal head 6 and the terminal block 5.

[0028] In particular, the shielding assembly 4 includes a sealing plate 41 and a limiting assembly. Sliding holes are opened on one side of the first protective frame 2 and one side of the second protective frame 3. The outer wall of the sealing plate 41 is slidably connected with the inner cavity of the sliding hole. The limiting assembly is arranged on the other side of the first protective frame 2, and the limiting assembly is used to limit the sealing plate 41.

[0029] Furthermore, the limiting assembly includes a connecting rod 42, a limiting plate 43 and a first limiting spring 44, one end of the connecting rod 42 is fixedly connected to the sealing plate 41, and the number of connecting rods 42 on one side of the sealing plate 41 is two, and there are multiple sealing plates 41 inside the second protective frame 3, and the interior of the second protective frame 3 is fixedly connected with multiple partitions, under the action of the partition, the interior of the second protective frame 3 is divided into multiple terminal block 5 installation chambers, and the installation chamber inside the second protective frame 3 is the same as the chamber space inside the first protective frame 2, and the outer wall of the connecting rod 42 It is slidably inserted and sleeved with the first protective frame 2, the limit plate 43 is fixedly connected to the end of the connecting rod 42, the first limit spring 44 is slidably sleeved on the outer wall of the connecting rod 42, the first limit spring 44 is located between the limit plate 43 and the first protective frame 2, the first limit spring 44 can give a pulling force to the connecting rod 42 through the limit plate 43, so that the sealing plate 41 is in a stable closed state, one side of the sealing plate 41 is fixedly connected to the connecting plate 45, one side of the connecting plate 45 is in contact with the outer wall of the first protective frame 2, and the other side of the connecting plate 45 is fixedly connected to the handle 46.

[0030] When the locking nut 72 is in the closed position, the locking nut 73 is in the closed position, and the locking nut 73 is in the closed position, so that the locking nut 73 is in the closed position and the locking nut 73 is in the closed position. The top and bottom of 71 are symmetrically provided with connecting grooves 73, one end of the outer wall of the positioning plate 72 is slidably sleeved with the connecting groove 73, the inner cavity of the connecting groove 73 is slidably sleeved with a second limit spring 74 acting on the positioning plate 72, and the side of the fixing plate 71 is symmetrically provided with sliding holes, the inner cavity of the sliding holes is slidably sleeved with a handle 75, the handle 75 can drive the positioning plate 72 to slide into the inside of the fixing plate 71, thereby releasing the locking state of the fixing plate 71, and then the terminal 6 is disassembled, and the side of the front side of the fixing plate 71 is fixedly connected with a positioning block matching the sealing plate 41, so as to avoid squeezing the cable connected to the terminal 6 when the sealing plate 41 is closed, and a threaded groove is provided on one side of the positioning plate 72, and one end of the outer wall of the handle 75 is threadedly sleeved with the inner cavity of the threaded groove.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-voltage access substation for an energy storage system, comprising a substation integrated box (1), a wiring seat (5) being fixedly connected to the front of the substation integrated box (1), and a wiring head (6) being connected to the inner cavity of the wiring seat (5); It is characterized in that The front of the substation integrated box (1) is fixedly connected with a first protective frame (2) and a second protective frame (3) for protecting the wiring socket (5); the first protective frame (2) and the second protective frame (3) are both provided with a shielding component (4) for protecting the wiring socket (5); the shielding component (4) and the first protective frame (2) form a protective box body for the wiring socket (5); the outer wall of the wiring head (6) is provided with a snap-on component (7); the snap-on component (7) cooperates with the shielding component (4) to lock the wiring head (6) together.

2. The high voltage access substation of an energy storage system according to claim 1, characterized in that: The shielding component (4) comprises: A sealing plate (41), one side of the first protection frame (2) and one side of the second protection frame (3) are both provided with sliding holes, and the outer wall of the sealing plate (41) is slidably sleeved with the inner cavity of the sliding hole; A limiting component, the limiting component is arranged on the other side of the first protection frame (2), and the limiting component is used to limit the sealing plate (41).

3. The high voltage access substation of an energy storage system according to claim 2 is characterized in that: The limiting component comprises: A connecting rod (42), one end of which is fixedly connected to the sealing plate (41), and an outer wall of the connecting rod (42) is slidably inserted and sleeved with the first protective frame (2); A limit plate (43) and a first limit spring (44), wherein the limit plate (43) is fixedly connected to the end of the connecting rod (42), the first limit spring (44) is slidably sleeved on the outer wall of the connecting rod (42), and the first limit spring (44) is located between the limit plate (43) and the first protective frame (2).

4. The high voltage access substation of an energy storage system according to claim 2, characterized in that: A connecting plate (45) is fixedly connected to one side of the sealing plate (41), one side of the connecting plate (45) is in contact with the outer wall of the first protective frame (2), and a handle (46) is fixedly connected to the other side of the connecting plate (45).

5. The high voltage access substation of an energy storage system according to claim 3 is characterized in that: The clamping assembly (7) comprises: A fixing plate (71), wherein the fixing plate (71) is fixedly sleeved on the outer wall of the wiring head (6); A positioning plate (72), one end of the outer wall of the positioning plate (72) is slidably sleeved with the fixing plate (71), and the positioning plate (72) is located on a side of the connecting rod (42) close to the wiring seat (5).

6. The energy storage system high voltage access substation according to claim 5, characterized in that: The top and bottom of the fixing plate (71) are symmetrically provided with connecting grooves (73), one end of the outer wall of the positioning plate (72) is slidably sleeved with the connecting groove (73), and the inner cavity of the connecting groove (73) is slidably sleeved with a second limit spring (74) acting on the positioning plate (72).

7. The energy storage system high voltage access substation according to claim 6, characterized in that: The fixing plate (71) has sliding holes symmetrically formed on its side, the inner cavity of the sliding hole being slidably sleeved with a handle (75), and one side of the positioning plate (72) is provided with a threaded groove, one end of the outer wall of the handle (75) being threadedly sleeved with the inner cavity of the threaded groove.

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