Low-voltage outgoing line flexible connection device of distribution transformer

Abstract

The utility model discloses a low-voltage outgoing line flexible connection device of a distribution transformer, which belongs to the technical field of transformer wiring and comprises two connectors, a plurality of connecting holes and a plurality of connecting terminals. The connector comprises two connectors, a plurality of flexible copper strips, the flexible copper strips are located between the two connectors, the ends of the flexible copper strips are connected with the connectors in an inserted mode, and the relative positions between the ends of the flexible copper strips and the centers of the connectors change along with changes of stress. The deformation quantity is compensated through sliding of the limiting frame, under the action of the elastic piece, the soft copper strip can be always kept in a tightened state, and meanwhile, due to the arrangement of the elastic frame, the soft copper strip can be prevented from being scattered, and the situation that the soft copper strip makes contact with other external components when deformed, and danger is generated can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of transformer wiring technology, specifically to a flexible connection device for low-voltage outgoing lines of a distribution transformer. Background Technology

[0002] Flexible circuit connections are typically made of conductive materials such as multilayer copper foil, aluminum foil, or copper stranded wire. Through specific processes (such as cold pressing and welding), they acquire good conductivity and flexibility. Because flexible circuit connections have a certain degree of flexibility, they can adapt to the relative movement between circuit components or equipment, reducing stress concentration caused by vibration or temperature changes. Therefore, flexible circuit connections are widely used for conductivity in fields such as power grids, high-speed rail, ships, aviation, and new energy. When there is relative movement between circuit components or equipment, the flexible connection will deform accordingly to adapt. However, when it deforms, it is easy to come into contact with other external components, thus creating a hazard. To solve the above problems, this utility model provides a flexible connection device for low-voltage outgoing lines of distribution transformers. Utility Model Content

[0003] To address the aforementioned technical deficiencies, the purpose of this utility model is to provide a flexible connection device for low-voltage outgoing lines of a distribution transformer. When relative displacement occurs between the two connectors, the deformation is compensated by the sliding of the limiting frame. Under the action of the elastic element, the flexible copper strip can always remain taut. At the same time, the setting of the elastic frame can prevent the flexible copper strip from spreading out and prevent the flexible copper strip from contacting other external components when it deforms, thus avoiding danger.

[0004] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: This utility model provides a flexible connection device for low-voltage outgoing lines of a distribution transformer, comprising:

[0005] Two connectors, each of which has multiple connection holes;

[0006] Multiple soft copper strips are located between two connectors, and the ends of the soft copper strips are interlocked with the connectors. The relative position between the ends of the soft copper strips and the center of the connectors changes with the force applied.

[0007] Preferably, the ends of the plurality of soft copper strips are provided with limiting frames, and the inner end face of the connector is provided with a slot adapted to the limiting frame. An elastic element is connected between the limiting frame and the bottom sidewall of the slot, and the elastic element has a tendency to pull the limiting frame into the slot.

[0008] Preferably, a plurality of conductive rods are fixedly connected to one end face of the limiting frame near the bottom sidewall of the empty slot, and a plurality of slots adapted to the conductive rods are provided on the bottom sidewall of the empty slot.

[0009] Preferably, a pressure plate is slidably connected inside the limiting frame, and a locking screw is threadedly connected to the limiting frame through a countersunk groove on its side wall. The locking screw generates downward pressure by rotating, which has a clamping force to make the pressure plate press against the soft copper strip.

[0010] Preferably, the elastic element is a spring.

[0011] Preferably, multiple elastic frames are sleeved on the outer sides of the plurality of soft copper strips, and the elastic frames have a clamping force that causes the plurality of soft copper strips to press against each other.

[0012] The beneficial effects of this utility model are as follows:

[0013] This invention, through the design of a limiting frame, a slot, and an elastic element, enables the limiting frame to slide inside the slot when relative movement occurs between the two connectors. At the same time, the elastic element keeps the soft copper strip taut, preventing it from contacting other components due to deformation and thus preventing potential danger.

[0014] This invention, through the setting of conductive rods and slots, enables the limiting frame to slide more stably inside the slot, while the conductive rods increase the conductive area and improve the stability of conductivity.

[0015] This invention, through the arrangement of multiple elastic frames, enables multiple soft copper strips to be tightly attached together, forming a whole and further improving the stability of electrical conductivity. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a flexible connection device for low-voltage outgoing lines of a distribution transformer, provided as an embodiment of the present utility model.

[0018] Figure 2 This is a cross-sectional view of the connector of this utility model.

[0019] Figure 3 This is an exploded view of the connector, soft copper strip, and limiting frame of this utility model.

[0020] Figure 4 This utility model Figure 3 Top view.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Connector, 2. Soft copper strip, 3. Limiting frame, 4. Hollow slot, 5. Elastic element, 6. Conductive rod, 7. Slot, 8. Pressure plate, 9. Tightening screw, 10. Elastic frame. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This utility model provides a flexible connection device for the low-voltage outgoing line of a distribution transformer, such as... Figures 1 to 4 As shown.

[0025] Example 1:

[0026] A flexible connection device for low-voltage outgoing lines of a distribution transformer includes two connectors 1 and multiple flexible copper strips 2. The multiple flexible copper strips 2 are located between the two connectors 1, and a limiting frame 3 is provided on the outer side of the ends of the multiple flexible copper strips 2. The limiting frame 3 surrounds the outer side of the ends of the multiple flexible copper strips 2, which can connect the ends of the multiple flexible copper strips 2 together. The inner end face of the connector 1 is provided with a slot 4 that is adapted to the limiting frame 3. The end of the connector 1 near the center of the flexible copper strip 2 is the inner end. The limiting frame 3 is slidably installed inside the slot 4, and an elastic element 5 is connected between the limiting frame 3 and the bottom sidewall of the slot 4. One end of the elastic element 5 is fixedly connected to the limiting frame 3, and the other end is fixedly connected to the bottom sidewall of the slot 4. The elastic element 5 has a tendency to pull the limiting frame 3 into the slot 4.

[0027] When relative displacement occurs between the two connectors 1, the elastic element 5 will change accordingly, so that the limiting frame 3 can slide inside the corresponding slot 4, thereby keeping the multiple soft copper strips 2 in a taut state.

[0028] When the two connectors 1 move away from each other, the elastic element 5 stretches and the limiting frame 3 moves outward from the corresponding slot 4, thereby compensating for the increased distance between the two connectors 1 and keeping the multiple soft copper strips 2 taut.

[0029] When the two connectors 1 move toward each other, the elastic element 5 contracts, and the limiting frame 3 moves toward the interior of the corresponding slot 4, thereby compensating for the shortened distance between the two connectors 1 and keeping the multiple soft copper strips 2 taut.

[0030] Example 2:

[0031] Based on Embodiment 1, in order to increase the stability of conductivity and ensure that the limiting frame 3 slides stably in the empty groove 4, a plurality of conductive rods 6 are fixedly installed on one end face of the limiting frame 3 near the bottom sidewall of the corresponding empty groove 4. A plurality of slots 7 adapted to the conductive rods 6 are opened on the bottom sidewall of the empty groove 4. The setting of conductive rods 6 and slots 7 increases the conductive area and improves the stability of conductivity. The slots 7 can limit the conductive rods 6, so that the limiting frame 3 can slide stably inside the corresponding empty groove 4.

[0032] Example 3:

[0033] Based on Embodiment 1, in order to allow for individual replacement of a single soft copper strip 2 when it is damaged, the limiting frame 3 and the soft copper strip 2 are connected in the following manner, specifically as follows:

[0034] A pressure plate 8 is slidably disposed inside the limiting frame 3. A countersunk groove is opened on the side wall of the limiting frame 3, and a clamping screw 9 is threaded inside the countersunk groove. Rotating the clamping screw 9 clockwise can clamp the clamping screw 9 against the pressure plate 8, thereby allowing the pressure plate 8 to apply a clamping force to the soft copper strip 2. Through the clamping force of the pressure plate 8 and the side wall of the limiting frame 3, the end of the soft copper strip 2 is firmly fixed inside the limiting frame 3.

[0035] When it is necessary to replace the soft copper strip 2, turn the clamping screw 9 counterclockwise so that the clamping screw 9 no longer presses against the pressure plate 8, and the pressure plate 8 will no longer press against the soft copper strip 2. At this time, the soft copper strip 2 can be removed.

[0036] Example 4:

[0037] To prevent the multiple soft copper strips 2 from becoming scattered and thus reducing the stability of conductivity, an elastic frame 10 is provided on the outside of the multiple soft copper strips 2. The elastic frame 10 tightly binds the multiple soft copper strips 2 together, making the multiple soft copper strips 2 form a whole, thereby increasing the stability of conductivity.

[0038] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A flexible connection device for low-voltage outgoing lines of a distribution transformer, characterized in that, include: Two connectors (1), each of the two connectors (1) has multiple connection holes; Multiple soft copper strips (2) are located between two connectors (1), and the ends of the soft copper strips (2) are inserted into each other with the connectors (1), and the relative position between the ends of the soft copper strips (2) and the center of the connectors (1) changes with the force.

2. The flexible connection device for low-voltage outgoing lines of a distribution transformer as described in claim 1, characterized in that, The ends of the multiple soft copper strips (2) are provided with limiting frames (3), and the inner end face of the connector (1) is provided with a slot (4) that is adapted to the limiting frame (3). An elastic element (5) is connected between the limiting frame (3) and the bottom side wall of the slot (4). The elastic element (5) has the tendency to pull the limiting frame (3) into the slot (4).

3. The flexible connection device for low-voltage outgoing lines of a distribution transformer as described in claim 2, characterized in that, Multiple conductive rods (6) are fixedly connected to one end face of the limiting frame (3) near the bottom side wall of the empty slot (4), and multiple slots (7) adapted to the conductive rods (6) are provided on the bottom side wall of the empty slot (4).

4. The flexible connection device for low-voltage outgoing lines of a distribution transformer as described in claim 2, characterized in that, The limiting frame (3) is internally slidably connected to a pressure plate (8), and the limiting frame (3) is threadedly connected to a locking screw (9) through a countersunk groove on its side wall. The locking screw (9) generates downward pressure by rotating, which has a clamping force that makes the pressure plate (8) press against the soft copper strip (2).

5. The flexible connection device for low-voltage outgoing lines of a distribution transformer as described in claim 2, characterized in that, The elastic element (5) is a spring.

6. The flexible connection device for low-voltage outgoing lines of a distribution transformer as described in claim 1, characterized in that, Multiple elastic frames (10) are sleeved on the outer side of the multiple soft copper strips (2), and the elastic frames (10) have a clamping force that makes the multiple soft copper strips (2) press against each other.

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