CN202651394U - 10kV switch cable electric test connecting line - Google Patents

Abstract

10kV switch cable electric inspection connection line, characterized by including integrally formed copper wire, the upper end of the copper wire is connected to the upper copper terminal, the lower end of the copper wire is connected to the lower copper terminal, the length L of the upper and lower copper terminals is 50-100mm, and the width is S The thickness H is 25-35mm, and the thickness H is 3-6mm. The copper wire and the upper and lower copper terminals are crimped and connected. There are round connection holes and elliptical connection holes in the upper and lower copper terminals. The diameter of the round connection hole is A The length B of the oval connection hole is 10-20mm, and the width C is 10-15mm. The upper copper terminal is connected to the 10kV switch. There is a copper tube on the copper wire. The outer wall of the copper tube is connected to the grounding ring. There is an exposed grounding point, the inside of the grounding ring is a steel core, the steel core is covered with a copper sleeve, the copper sleeve is connected to the copper pipe by welding, and there is a silicone rubber insulating sleeve outside the copper wire and the grounding ring.

Description

10kV switch cable electric test connecting line

technical field

The utility model relates to a 10kV switch cable electric test connecting line. the

Background technique

The existing 10kV cable is directly connected to the 10kV switch. Because the cable is thick and hard, there is no way to connect the grounding wire for electrical testing, so there are disadvantages: first, it is impossible to hang the grounding wire for electrical testing; second, the 10kV cable is hard-wired to the 19kV switch. It is easy to cause poor contact and cause accidents; the 3rd, if the cable is to be disconnected, the upper main line must be stopped, causing economic losses, loss of social benefits and failure to achieve power supply reliability. the

Contents of the invention

The purpose of this utility model is to overcome the shortcomings of the existing technology, to provide a soft connection between a 10kV cable and a 10kV switch, which is convenient, reliable, and has good electrical conductivity. 10kV switch cable power test connecting line for power supply reliability. the

The technical scheme of the utility model 10kV switch cable electric inspection connection line is: it is characterized in that it includes an integrally formed copper wire, the upper end of the copper wire is connected to the upper copper terminal, the lower end of the copper wire is connected to the lower copper terminal, and the length of the upper and lower copper terminals is L. It is 50-100mm, the width S is 25-35mm, and the thickness H is 3-6mm. The copper wire and the upper and lower copper terminals are connected by crimping. There are round connection holes and oval connection holes in the upper and lower copper terminals. The diameter A of the circular connecting hole is 10-15mm, the length B of the elliptical connecting hole is 10-20mm, and the width C is 10-15mm. Connect the grounding ring, there is a bare grounding point under the grounding ring, the inside of the grounding ring is a steel core, the steel core is covered with a copper sleeve, the copper sleeve is connected to the copper pipe by welding, and there is a silicone rubber insulating sleeve outside the copper wire and the grounding ring. the

The utility model discloses a 10kV switch cable electric inspection connection line, the copper wire is made into a soft copper wire without welding as a whole, the copper wire is connected with the upper and lower copper terminals through crimping, and then a copper tube is worn on the copper wire , the outer wall of the copper tube is connected to the grounding ring, the inside of the grounding ring is a steel core, the steel core is covered with a copper sleeve, the copper sleeve is welded to the copper tube, and finally the connected copper wire and the grounding ring are used as inserts, and the surface is stamped A layer of silicone rubber insulating sleeve. The characteristics of the 10kV switch cable electric inspection connecting line of this scheme are: 1. The soft copper wire formed without welding as a whole has small resistance and good electrical conductivity. The soft connection is conducive to bending and good contact; 2. The copper wire and the upper and lower copper The terminals are connected by crimping, which is not easy to fall off, and the connection is reliable; 3. The inside of the grounding ring is made of steel core, which has good rigidity and ensures that the grounding ring does not deform. The steel core is covered with copper sleeves to ensure the conductivity of the grounding ring; 4. Silicone rubber The insulating sleeve is made of silicone rubber material with a molecular weight of more than 500,000 to ensure the insulation performance of the 10kV switch cable power test connection line. the

The utility model is a 10kV switch cable electric inspection connection line, and a rainproof cover is installed outside the lower copper terminal. With the rain cover, avoid rainwater from entering and ensure safe use. There is a tin-plated layer outside the upper and lower copper terminals and the exposed grounding point. The tin-plated layer prevents the copper from being oxidized and ensures its electrical conductivity. The cross-sectional area of the copper wire is 35-400mm2. The crimping length D between the copper wire and the upper and lower copper terminals is 40-80 mm. Copper wires of different thicknesses and lengths can be used according to the needs of use. The longer the copper wire, the longer the crimping length is required. the

Description of drawings

Fig. 1 is the structural representation of the utility model 10kV switch cable electrical inspection connection line;

Fig. 2 is a structural schematic diagram of the connection between the copper pipe on the copper wire and the grounding ring;

Fig. 3 is a schematic structural diagram of a copper terminal.

Detailed ways

The utility model relates to a 10kV switch cable electric inspection connecting line, as shown in Fig. 1-Fig. 3, which is characterized in that it includes an integrally formed copper wire 1, the upper end of the copper wire is connected with an upper copper terminal 2, and the lower end of the copper wire is connected with a lower copper wire. Terminal 3, the length L of the upper and lower copper terminals is 50-100mm, the width S is 25-35mm, and the thickness H is 3-6mm. The copper wire and the upper and lower copper terminals are connected by crimping. Each has a round connecting hole 21 and an elliptical connecting hole 22. The diameter A of the round connecting hole is 10-15mm, the length B of the elliptical connecting hole is 10-20mm, and the width C is 10-15mm. The upper copper terminal 2 and the 10kV switch 4 A copper pipe 5 is worn on the copper wire 1, and the outer wall of the copper pipe is connected to the grounding ring 6. There is an exposed grounding point 63 under the grounding ring. The inside of the grounding ring is a steel core 61, and the steel core is covered with a copper sleeve 62. The sleeve is connected to the copper pipe through welding, and there is a silicone rubber insulating sleeve 7 outside the copper wire 1 and the grounding ring. The copper wire 1 is made into a soft copper wire without soldering as a whole, and the copper wire is connected to the upper and lower copper terminals 2 and 3 by crimping, and then a copper tube 5 is passed through the copper wire, and the outer wall of the copper tube is connected to the grounding ring 6, and grounded The inside of the ring is a steel core 61, the steel core is covered with a copper sleeve 62, and the copper sleeve is welded to the copper pipe 5. Finally, the connected copper wire and the grounding ring are used as inserts, and a layer of silicone rubber insulating sleeve is applied on the surface 7. The characteristics of the 10kV switch cable electrical inspection connection line of this scheme are: 1. The soft copper wire 1 formed without welding as a whole has small resistance and good electrical conductivity. The soft connection is conducive to bending and good contact; 2. The copper wire 1 is connected with the upper The lower copper terminals 2 and 3 are connected by crimping, which is not easy to fall off, and the connection is reliable; 3. The inside of the grounding ring 6 uses a steel core 61, which has good rigidity and ensures that the grounding ring does not deform. The steel core is covered with a copper sleeve 62 to ensure that the grounding ring 6. Conductive performance; 4. The silicone rubber insulating sleeve 7 adopts a silicone rubber material with a molecular weight of more than 500,000 to ensure the insulation performance of the 10kV switch cable electrical test connecting line. A rainproof cover 31 is installed outside the lower copper terminal 3 . The rainproof cover 31 has been arranged to prevent rainwater from entering and ensure safe use. The upper and lower copper terminals 2 and 3 and the exposed grounding point 63 are covered with a tin-plated layer 64 . The tin-plated layer 64 prevents the copper material from being oxidized and ensures its electrical conductivity. The cross-sectional area of the copper wire 1 is 35-400mm2. The crimping length D between the copper wire 1 and the upper and lower copper terminals 2 and 3 is 40-80mm. Copper wires 1 of different thicknesses and lengths can be used according to the needs of use. The longer the copper wire, the longer the crimping length is required. the

Claims (5)

1. 10kV switch cable electric inspection connection line, characterized by including integrally formed copper wire (1), the upper copper terminal (2) is connected to the top of the copper wire, the lower copper terminal (3) is connected to the lower end of the copper wire, and the upper and lower copper terminals The length (L) is 50-100mm, the width (S) is 25-35mm, and the thickness (H) is 3-6mm. There are circular connecting holes (21) and elliptical connecting holes (22), the diameter of the circular connecting hole (A) is 10-15mm, the length (B) of the elliptical connecting hole is 10-20mm, and the width (C) is 10-15mm, The upper copper terminal (2) is connected to the 10kV switch (4), the copper pipe (5) is passed through the copper wire (1), the outer wall of the copper pipe is connected to the grounding ring (6), and there is a bare grounding point (63) under the grounding ring , the inside of the grounding ring is a steel core (61), the steel core is covered with a copper sleeve (62), the copper sleeve is connected to the copper pipe by welding, and there is a silicone rubber insulating sleeve (7) outside the copper wire (1) and the grounding ring . 2. The 10kV switch cable electrical inspection connecting line according to claim 1, characterized in that a rainproof cover (31) is installed outside the lower copper terminal (3). 3. The 10kV switch cable electrical inspection connecting line according to claim 1, characterized in that there is a tin-plated layer (64) outside the upper and lower copper terminals (2, 3) and the exposed grounding point (63). 4. The 10kV switch cable electrical inspection connecting line according to claim 1, characterized in that the cross-sectional area of the copper wire (1) is 35-400mm2. 5. The 10kV switch cable electrical inspection connecting line according to claim 1, characterized in that the crimping length (D) between the copper wire (1) and the upper and lower copper terminals (2, 3) is 40-80mm.

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