Resistor

Abstract

The utility model discloses a resistor, which solves the problem that severe environments such as strong earthquakes, strong wind speeds and the like are difficult to resist due to a connection mode between existing resistor box bodies, and specifically comprises N resistor box bodies provided with resistor bodies and N-1 connecting components, and N is a positive integer greater than or equal to 2; the N resistor box bodies are connected in series or in parallel through N-1 connecting assemblies; a wire inlet sleeve and a wire outlet sleeve are arranged on the side wall of each resistor box body; the connecting assembly comprises a bus, a first U-shaped connecting line and a second U-shaped connecting line; one end of the first U-shaped connecting line is connected with one end of the bus; one end of the second U-shaped connecting line is connected with the other end of the bus; and the other end of the first U-shaped connecting wire and the other end of the second U-shaped connecting wire are respectively connected with the internal resistor body through the wire inlet sleeve and the wire outlet sleeve on the two corresponding resistor box bodies.

Description

Technical Field

[0001] This utility model relates to resistors, specifically to a resistor. Background Technology

[0002] Resistors are widely used in various fields such as power transmission and distribution filtering, flexible DC starting current limiting, electric drive loads, AC / DC drives, pulse power supplies, induction heating, pulse networks, and lasers. For high-power resistors with high insulation requirements, multiple towers and resistor enclosures are usually connected in series for voltage division. Based on insulation requirements, resistor enclosures are isolated from each other and from the ground using support insulators. Electrical connections between resistor enclosures are typically made via tubular busbars. However, with increasing demands for high earthquake intensity and strong winds, a single tubular busbar for electrical connections between resistor enclosures cannot meet the requirements of resistors under these conditions. During earthquakes, single-tower resistor enclosures sway irregularly and without direction; during strong winds, the tubular busbars are continuously subjected to wind-induced tearing; this causes mechanical stress on the rigidly connected tubular busbar structure, and in severe cases, the tubular busbars tear, the resistor enclosure's inlet and outlet bushings break, and short-circuit flashover accidents occur.

[0003] Therefore, there is an urgent need to provide a resistor that can meet the requirements of use in harsh environments such as strong earthquakes and high wind speeds. Utility Model Content

[0004] To address the technical problem that existing resistor housing connection methods are unable to withstand harsh environments such as strong earthquakes and high wind speeds, this utility model provides a resistor.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A resistor that is special in that:

[0007] It includes N resistor housings containing resistor bodies and N-1 connection components, where N≥2 and is a positive integer;

[0008] The N resistor housings are connected in series or in parallel through N-1 connecting components;

[0009] Each resistor housing is provided with an inlet sleeve and an outlet sleeve on its side wall;

[0010] The connection component includes a busbar, a first U-shaped connecting line, and a second U-shaped connecting line;

[0011] One end of the first U-shaped connecting wire is connected to one end of the busbar; one end of the second U-shaped connecting wire is connected to the other end of the busbar; the other ends of the first U-shaped connecting wire and the other ends of the second U-shaped connecting wire are respectively connected to the internal resistor body through the inlet sleeve and outlet sleeve on the two corresponding resistor boxes.

[0012] Furthermore, the bottom of the resistor housing located near the ground among the N resistor housings is provided with multiple support insulators;

[0013] At least two of the N resistor housings are stacked from bottom to top, and multiple support insulators are provided between the stacked and adjacent resistor housings.

[0014] Furthermore, the U-shaped openings of the first U-shaped connecting line and the second U-shaped connecting line, which are connected by the same busbar, are both positioned facing the other side.

[0015] Furthermore, the busbar is a tubular busbar.

[0016] Furthermore, the tubular busbar is made of copper or aluminum.

[0017] Furthermore, both the first U-shaped connecting wire and the second U-shaped connecting wire are made of alloy.

[0018] Furthermore, N = 6.

[0019] Furthermore, the six resistor housings are divided into two groups, each group comprising three resistor housings, and the three resistor housings are stacked from bottom to top.

[0020] Furthermore, the resistor housing located near the ground has six support insulators at its bottom.

[0021] Furthermore, six support insulators are provided between two adjacent resistor housings that are stacked together.

[0022] The beneficial effects of this utility model are:

[0023] 1. The resistor provided by this utility model realizes the electrical connection between resistor housings through a connection assembly including a first U-shaped connecting line, a busbar, and a second U-shaped connecting line. The U-shaped structure of the first U-shaped connecting line and the second U-shaped connecting line has both suitable rigidity and a certain degree of flexibility. Therefore, in the environment of strong earthquakes and strong winds, the U-shaped structure can absorb a certain amount of mechanical vibration displacement, making the electrical connection of the resistor more reliable and safer.

[0024] 2. In this utility model, the U-shaped openings of the first U-shaped connecting wire and the second U-shaped connecting wire are both set to face the other side, which further increases the toughness of the connecting component and enhances the resistor's ability to resist harsh environments.

[0025] 3. In this utility model, the resistor box is located near the ground and has multiple support insulators at the bottom. Furthermore, two adjacent resistor boxes are stacked and have multiple support insulators, which improves the insulation performance of the resistor. The structure is simple, the size is small, the installation is convenient, and the cost is low.

[0026] 4. The tubular busbar in this utility model is made of aluminum, which makes the resistor corrosion resistant, high temperature resistant, strong current carrying capacity and light weight.

[0027] 5. The first U-shaped connecting wire and the second U-shaped connecting wire in this utility model are both made of alloy with high ductility, which can play a mechanical buffering role. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of a resistor embodiment of the present invention.

[0029] Icon labels:

[0030] 1-Resistor housing, 2-Post insulator, 31-Inlet bushing, 32-Outlet bushing, 41-First U-shaped connecting wire, 42-Second U-shaped connecting wire, 5-Busbar. Detailed Implementation

[0031] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] This utility model provides a resistor, such as Figure 1 As shown, it includes six resistor housings 1 containing resistor bodies and five connecting components; the six resistor housings 1 are divided into two groups, each group including three resistor housings 1, and the three resistor housings 1 in each group are stacked from bottom to top; the six resistor housings 1 are connected in series through the five connecting components to achieve electrical connection; the bottom of the resistor housing 1 located near the ground is provided with six support insulators 2 for support and isolation; six support insulators 2 are provided between two adjacent resistor housings 1 that are stacked together for support and isolation.

[0033] Each resistor housing 1 has an inlet sleeve 31 and an outlet sleeve 32 on its side wall. The connection assembly includes a busbar 5, a first U-shaped connecting wire 41, and a second U-shaped connecting wire 42. One end of the first U-shaped connecting wire 41 is connected to one end of the busbar 5 by a bolt; one end of the second U-shaped connecting wire 42 is connected to the other end of the busbar 5 by a bolt; the other ends of the first U-shaped connecting wire 41 and the second U-shaped connecting wire 42 are connected to the internal resistor body through the inlet sleeve 31 and the outlet sleeve 32 on the two corresponding resistor housings 1. The U-shaped openings of the first U-shaped connecting wire 41 and the second U-shaped connecting wire 42 connected through the same busbar 5 are both oriented towards each other. The busbar 5 is a tubular busbar, made of copper or aluminum. The first U-shaped connecting wire 41 and the second U-shaped connecting wire 42 are both made of a corrosion-resistant, high-temperature-resistant, high-current-carrying, highly ductile, and lightweight alloy material, serving as a mechanical buffer and electrical connection.

[0034] This connection method can absorb a certain amount of mechanical vibration displacement under strong earthquake and strong wind conditions. The product has reliable and safe electrical connection, high insulation performance, simple structure, small size, convenient installation and low cost.

[0035] In other embodiments, multiple resistor housings can also be connected in parallel in the manner described above.

[0036] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A resistor, characterized in that: It includes N resistor housings (1) containing resistor bodies and N-1 connection components, where N≥2 and is a positive integer; The N resistor housings (1) are connected in series or in parallel through N-1 connecting components; Each resistor housing (1) is provided with an inlet sleeve (31) and an outlet sleeve (32) on its side wall; The connection assembly includes a busbar (5), a first U-shaped connecting line (41), and a second U-shaped connecting line (42); One end of the first U-shaped connecting line (41) is connected to one end of the busbar (5); one end of the second U-shaped connecting line (42) is connected to the other end of the busbar (5); the other end of the first U-shaped connecting line (41) and the other end of the second U-shaped connecting line (42) are respectively connected to the internal resistor body through the inlet sleeve (31) and outlet sleeve (32) on the two corresponding resistor boxes (1).

2. The resistor according to claim 1, characterized in that: Among the N resistor housings (1), the resistor housing (1) located near the ground has multiple support insulators (2) at its bottom; At least two of the N resistor housings (1) are stacked from bottom to top, and multiple support insulators (2) are provided between the stacked and adjacent resistor housings (1).

3. The resistor according to claim 1 or 2, characterized in that: The U-shaped openings of the first U-shaped connecting line (41) and the second U-shaped connecting line (42) connected by the same busbar (5) are both set to face the other side.

4. The resistor according to claim 3, characterized in that: The busbar (5) is a tubular busbar.

5. The resistor according to claim 4, characterized in that: The tubular busbar is made of copper or aluminum.

6. The resistor according to claim 5, characterized in that: Both the first U-shaped connecting wire (41) and the second U-shaped connecting wire (42) are made of alloy.

7. The resistor according to claim 6, characterized in that: The value of N is 6.

8. The resistor according to claim 7, characterized in that: The six resistor housings (1) are divided into two groups, each group including three resistor housings (1), and the three resistor housings (1) are stacked from bottom to top.

9. The resistor according to claim 8, characterized in that: The resistor housing (1) located near the ground has six support insulators (2) at its bottom.

10. The resistor according to claim 9, characterized in that: Six support insulators (2) are arranged between two adjacent resistor housings (1) and stacked.

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