Power distribution installation cable joint connecting device and connecting method thereof

Abstract

The invention relates to the technical field of cable connecting devices, and provides a power distribution installation cable joint connecting device and a connecting method thereof.The power distribution installation cable joint connecting device comprises a base, a monitoring structure is installed in the middle of the top end of the base through bolts, and a protection structure is clamped and fixed to the outer side of the top of the monitoring structure; fixing structures are installed on the two sides of the top end of the base through bolts, and a sealing structure is installed on the outer side of the top of the base through bolts. By arranging the monitoring structure, the cover body and the partition plate, two cable joints are pressed and fixed, the cover body and the conductive seat are matched with each other, electric arcs are prevented from being generated at the cable joints, the cable joints are prevented from loosening when being impacted by current, a cable is fixedly connected with the base through a lower hoop and an upper hoop, an anti-slip strip can be meshed with the skin of the cable, and the cable is prevented from being damaged. The friction force between the cable and the lower hoop and the friction force between the cable and the upper hoop are increased, the situation that the joint of the cable falls off when the cable is pulled is avoided, and the safety of the device in use is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cable connection devices, and particularly relates to a distribution installation cable joint connection device and a connection method thereof. Background Art

[0002] With the development of smart grids, the requirements for the reliability and stability of power transmission are getting higher and higher. As a key hub in the power distribution system, cable joints have become increasingly important. In existing cable connection methods, generally, the connection heads of the two are butted, and then they are connected and fixed using copper plates or alloy plates. In actual use, the bolt pressing method is generally adopted to facilitate disassembly and replacement.

[0003] However, traditional cable joints can no longer meet the needs of smart grids. In terms of adapting to complex power environments, the wide access of distributed energy in smart grids has made the power flow distribution in the grid complex and variable. Cable joint connection devices need to have strong adaptability and be able to operate stably under different current and voltage conditions. When the output power of distributed power sources fluctuates, cable joints need to withstand the resulting current impact, ensure the reliability of the connection, and prevent problems such as joint loosening and heating caused by current changes. Therefore, an anti-loosening distribution installation cable joint connection device is used. Summary of the Invention

[0004] The purpose of the present invention is to provide a distribution installation cable joint connection device and a connection method thereof to solve the defect that the existing distribution installation cable joint connection device is prone to loosening.

[0005] To solve the above technical problems, the present invention provides the following technical solution: A distribution installation cable joint connection device, including a base;

[0006] A monitoring structure is installed on the middle position of the top of the base through bolts, and a protective structure is fixedly clamped on the outside of the top of the monitoring structure;

[0007] Fixing structures are installed on both sides of the top of the base through bolts, and a sealing structure is installed on the outside of the top of the base through bolts;

[0008] The monitoring structure includes a partition board, a cover body, a conductive seat, heat dissipation fins, and a temperature sensor. The partition board is installed on the middle position of the top of the base through bolts. A conductive seat is fixed at the middle position of the top of the partition board. A cover body is arranged on the outside of the conductive seat. Heat dissipation fins are evenly fixed on the top of the cover body. A temperature sensor is fixedly installed on one side of the bottom of the cover body.

[0009] Preferably, the fixing structure includes a lower hoop, an upper hoop and anti-slip strips. The lower hoop is installed on both sides of the top of the base through bolts. The upper hoop is installed at the top of the lower hoop through bolts. Anti-slip strips are fixed on the inner side walls of the lower hoop and the upper hoop.

[0010] Preferably, the lower hoops are symmetrically distributed on both sides of the top of the base, and the anti-slip strips are equally spaced on the inner side walls of the lower hoops and the upper hoops.

[0011] Preferably, both sides of the bottom of the cover body are fixedly connected to the partition through bolts. The heat dissipation fins are arc-shaped and are equally spaced on the top of the cover body. The temperature sensor is connected to the terminal through a wireless signal transmitter.

[0012] Preferably, the protection structure includes a protective cover, a gas storage seat, a clamping block and a clamping groove. The protective cover is arranged outside the cover body. Gas storage seats are fixed on the inner walls of both sides of the top of the protective cover. An exhaust groove is embedded on one side of the gas storage seat close to the heat dissipation fins. Clamping blocks are evenly fixed on both sides of the bottom end of the protective cover. Clamping grooves are formed inside the partition below the clamping blocks.

[0013] Preferably, the inside of the gas storage seat is filled with high-pressure nitrogen, the inside of the exhaust groove is filled with a polyethylene block, and the clamping block and the partition form a clamping structure through the clamping groove.

[0014] Preferably, the sealing structure includes a sealing cover, a sealing gasket, a wire pipe, a rubber ring, a locking nut and a fixing nut. The sealing cover is arranged outside both ends of the top of the base. A sealing gasket is arranged between the contact surface of the sealing cover and the base. Wire pipes penetrate through one end of the sealing cover. A fixing nut is bolted to the outer wall of the wire pipe outside the sealing cover. A rubber ring is embedded on the inner wall of the wire pipe at the end far from the partition. A locking nut is bolted to the outside of the wire pipe at one end of the rubber ring.

[0015] Preferably, the connection positions of the two sealing covers are staggered with each other. The bottom end of the sealing cover is fixedly connected to the base through bolts. A sealing ring is arranged at the connection of the wire pipe and the sealing cover.

[0016] Preferably, reserved grooves are evenly formed inside the wire pipe on the outside of the rubber ring, and the inner side of the locking nut is conical.

[0017] A connection method for a connection device of a distribution installation cable joint includes the following steps:

[0018] S1, strip the two cable joints to be connected;

[0019] S2. Install the wire tube on one end of the sealing cover through the fixing nut, and pass the two cable connectors through the wire tube and the rubber ring so that the cable connectors are located on the inner side of the sealing cover;

[0020] S3. Place the two stripped cable connectors on top of the conductive base, then cover the outer side of the conductive base with a cover, and fix the cover and the partition with bolts so that the cover and the conductive base press and fix the cable connector;

[0021] S4. Cover the upper clamp on the top of the lower clamp, and fix the lower clamp and the upper clamp with bolts, so that the upper clamp and the lower clamp fix the cable;

[0022] S5. Cover the outer side of the partition with the protective cover, press the protective cover, move the card block to the inside of the card slot, and then fix the protective cover to the partition;

[0023] S6. Place the sealing gasket on the top of the base, then move the two sets of sealing covers to both sides of the top of the base, and press the two sets of sealing covers at the connection positions alternately. Use bolts to fix the sealing covers to the base, turn the locking nut, and connect the locking nut to the wire tube bolts, so that the locking nut moves to one end of the sealing cover, and shrink the end of the locking nut with the reserved groove to fix the rubber ring to the cable seal.

[0024] The invention provides a power distribution installation cable joint connection device and a connection method thereof, which have the advantages of:

[0025] By providing a monitoring structure, the cover and the partition press and fix the two cable joints, and the cover and the conductive seat cooperate with each other to avoid arcing at the cable joint and prevent the cable joint from loosening when being impacted by current;

[0026] Furthermore, the heat dissipation fins will speed up the heat dissipation of the cover body and the cable joints, thus avoiding fire accidents caused by over-high temperature. At the same time, the temperature sensor will monitor the temperature of the cover body in real time and send it to the terminal through a wireless signal transmitter, so that the staff can monitor the temperature of the joint in real time, so as to find potential fault hazards in time.

[0027] Furthermore, when the temperature is too high and an open flame is generated, the polyethylene block filled inside the exhaust groove will melt first, allowing the high-pressure nitrogen filled inside the gas storage seat to be ejected through the exhaust groove, achieving the function of extinguishing the fire and avoiding fire accidents;

[0028] Furthermore, the lower clamp and the upper clamp fix the cable to the base, and the anti-slip strip engages with the cable surface, thereby increasing the friction between the cable and the lower clamp and the upper clamp, thereby preventing the connection from falling off when the cable is pulled, thereby improving the safety of the device when in use;

[0029] Further, rotate the locking nut. The inner side of the locking nut is conical, so that the locking nut will tighten one end of the wire pipe during rotation. Under the action of the reserved groove, one end of the wire pipe shrinks and deforms by squeezing the rubber ring, so that the wire pipe and the cable are hermetically and fixedly connected through the rubber ring, further improving the stability at the cable joint and enhancing the anti-pulling performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is the front exploded view of the present invention;

[0031] Figure 2 is the bottom exploded view of the present invention;

[0032] Figure 3 is the front view of the present invention;

[0033] Figure 4 is the front sectional view of the present invention;

[0034] Figure 5 of the present invention Figure 4 is the enlarged view at A in;

[0035] Figure 6 is the exploded view of the sealing structure of the present invention;

[0036] Figure 7 is the exploded view of the monitoring structure of the present invention;

[0037] Figure 8 is the front sectional view of the monitoring structure of the present invention;

[0038] Figure 9 is the front exploded view of the protection structure of the present invention;

[0039] Figure 10 is the bottom exploded view of the protection structure of the present invention.

[0040] Explanation of the reference numerals in the drawings: 1. Base; 2. Fixing structure; 21. Lower hoop; 22. Upper hoop; 23. Anti-slip strip; 3. Monitoring structure; 31. Partition; 32. Cover body; 33. Conductive base; 34. Heat dissipation fin; 35. Temperature sensor; 4. Protection structure; 41. Protective cover; 42. Gas storage base; 421. Exhaust groove; 43. Clamping block; 44. Clamping groove; 5. Sealing structure; 51. Sealing cover; 52. Sealing gasket; 53. Wire pipe; 54. Rubber ring; 55. Locking nut; 56. Fixing nut. DETAILED DESCRIPTION OF THE INVENTION

[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0042] Please refer to Figures 1-10 , a connection device for a distribution installation cable joint provided by the present invention includes a base 1.

[0043] Refer to Figure 1 and Figure 7 As shown, at the middle position of the top end of the base 1, a monitoring structure 3 is installed through bolts. The monitoring structure 3 includes a partition 31, a cover 32, a conductive base 33, heat dissipation fins 34, and a temperature sensor 35. The partition 31 is installed at the middle position of the top end of the base 1 through bolts. At the middle position of the top end of the partition 31, a conductive base 33 is fixed. A cover 32 is arranged on the outer side of the conductive base 33. Heat dissipation fins 34 are evenly fixed on the top of the cover 32. On one side of the bottom of the cover 32, a temperature sensor 35 is fixedly installed. The two sides of the bottom of the cover 32 are fixedly connected to the partition 31 through bolts. The heat dissipation fins 34 are arc-shaped and are evenly distributed at equal intervals on the top of the cover 32. The temperature sensor 35 is connected to the terminal through a wireless signal transmitter.

[0044] The cover 32 and the partition 31 are used to press and fix the two cable joints. The cover 32 and the conductive base 33 cooperate with each other, avoiding the generation of electric arcs at the cable joints and preventing the cable joints from loosening when subjected to current impact. The heat dissipation fins 34 will accelerate the heat dissipation speed of the cover 32, accelerating the heat dissipation speed at the cable joints and avoiding fire accidents caused by excessive temperature. At the same time, the temperature sensor 35 will monitor the temperature of the cover 32 in real time and send it to the terminal through a wireless signal transmitter, enabling the staff to monitor the temperature of the joints in real time to facilitate the timely discovery of potential fault hazards.

[0045] Refer to Figure 1 and Figures 8-10 As shown, a protection structure 4 is fixedly clamped on the outer side of the top of the monitoring structure 3. The protection structure 4 includes a protective cover 41, a gas storage base 42, a clamping block 43, and a clamping groove 44. The protective cover 41 is arranged on the outer side of the cover 32. On the inner walls of both sides of the top of the protective cover 41, gas storage bases 42 are fixed. On the side of the gas storage base 42 close to the heat dissipation fins 34, an exhaust groove 421 is inlaid. On both sides of the bottom end of the protective cover 41, clamping blocks 43 are evenly fixed. Clamping grooves 44 are formed inside the partition 31 below the clamping blocks 43. The inside of the gas storage base 42 is filled with high-pressure nitrogen, and the inside of the exhaust groove 421 is filled with polyethylene blocks. The clamping blocks 43 and the partition 31 form a clamping structure through the clamping grooves 44.

[0046] When an open fire is generated due to excessive temperature, the polyethylene blocks filled inside the exhaust groove 421 will melt first, enabling the nitrogen gas filled under high pressure inside the gas storage seat 42 to be ejected through the exhaust groove 421, thus avoiding fire accidents.

[0047] Refer to Figure 1 and Figure 8 As shown in

[0048] Both sides of the top end of the base 1 are installed with fixing structures 2 through bolts. The fixing structure 2 includes a lower hoop 21, an upper hoop 22 and anti-slip strips 23. The lower hoop 21 is installed on both sides of the top end of the base 1 through bolts. The upper hoop 22 is installed at the top end of the lower hoop 21 through bolts. Anti-slip strips 23 are fixed on the inner side walls of the lower hoop 21 and the upper hoop 22. The lower hoop 21 is symmetrically distributed on both sides of the top end of the base 1, and the anti-slip strips 23 are equally spaced on the inner side walls of the lower hoop 21 and the upper hoop 22.

[0049] Refer to Figure 1 and Figures 4-6 As shown in

[0050] Rotate the locking nut 55. The inner side of the locking nut 55 is conical, so that the locking nut 55 will tighten one end of the wire tube 53 during rotation. Under the action of the reserved groove, one end of the wire tube 53 shrinks and deforms by squeezing the rubber ring 54, enabling the wire tube 53 and the cable to be hermetically and fixedly connected through the rubber ring 54, further improving the stability of the cable joint and enhancing the anti-pulling performance.

[0051] A connection method for a connection device of a distribution installation cable joint includes the following steps:

[0052] S1. Strip the two cable connectors to be connected.

[0053] S2. Install the wire pipe 53 at one end of the sealing cover 51 through the fixing nut 56, and pass the two cable connectors through the wire pipe 53 and the rubber ring 54 so that the cable connectors are located inside the sealing cover 51.

[0054] S3. Place the stripped parts of the two cable connectors butt-jointed on the top of the conductive seat 33, then cover the cover body 32 outside the conductive seat 33, and fixedly connect the cover body 32 and the partition plate 31 through bolts so that the cover body 32 and the conductive seat 33 press and fix the cable connectors.

[0055] S4. Cover the upper hoop 22 on the top end of the lower hoop 21, and fixedly connect the lower hoop 21 and the upper hoop 22 through bolts so that the upper hoop 22 and the lower hoop 21 fix the cable.

[0056] S5. Cover the protective cover 41 outside the partition plate 31, press the protective cover 41 to move the clamping block 43 into the clamping groove 44, and further make the protective cover 41 clamped and fixed with the partition plate 31.

[0057] S6. Place the sealing gasket 52 on the top end of the base 1, then move the two groups of sealing covers 51 to both sides of the top of the base 1, and make the connection positions of the two groups of sealing covers 51 stagger and press together. Use bolts to fixedly connect the sealing cover 51 and the base 1. Rotate the locking nut 55. The locking nut 55 is bolted to the wire pipe 53, so that the locking nut 55 moves towards one end of the sealing cover 51, and the end of the locking nut 55 with a reserved groove shrinks, so that the rubber ring 54 is sealed and fixed with the cable.

[0058] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A power distribution installation cable joint connection device, comprising a base (1); Features: A monitoring structure (3) is installed at the middle position of the top of the base (1) by means of bolts, and a protective structure (4) is fixedly connected to the outer side of the top of the monitoring structure (3); A fixing structure (2) is installed on both sides of the top of the base (1) by means of bolts, and a sealing structure (5) is installed on the outer side of the top of the base (1) by means of bolts; The monitoring structure (3) comprises a partition (31), a cover (32), a conductive seat (33), heat dissipation fins (34) and a temperature sensor (35); the partition (31) is mounted at the middle position of the top of the base (1) by means of bolts; the conductive seat (33) is fixed at the middle position of the top of the partition (31); the cover (32) is arranged on the outside of the conductive seat (33); the heat dissipation fins (34) are evenly fixed on the top of the cover (32); and the temperature sensor (35) is fixedly mounted on one side of the bottom of the cover (32).

2. A power distribution installation cable joint connection device according to claim 1, characterized in that: The fixing structure (2) comprises a lower clamp (21), an upper clamp (22) and an anti-slip strip (23); the lower clamp (21) is mounted on both sides of the top of the base (1) by means of bolts; the top of the lower clamp (21) is mounted with an upper clamp (22) by means of bolts; and the inner side walls of the lower clamp (21) and the upper clamp (22) are both fixed with anti-slip strips (23).

3. A power distribution installation cable joint connection device according to claim 2, characterized in that: The lower clamp (21) is symmetrically distributed on both sides of the top of the base (1), and the anti-slip strips (23) are evenly distributed on the inner side walls of the lower clamp (21) and the upper clamp (22).

4. A power distribution installation cable joint connection device according to claim 1, characterized in that: The two sides of the bottom of the cover body (32) are fixedly connected to the partition (31) by bolts, the heat dissipation fins (34) are arc-shaped, and the heat dissipation fins (34) are evenly spaced on the top of the cover body (32), and the temperature sensor (35) is connected to the terminal via a wireless signal transmitter.

5. A power distribution installation cable joint connection device according to claim 1, characterized in that: The protective structure (4) comprises a protective cover (41), an air storage seat (42), a clamping block (43) and a clamping groove (44); the protective cover (41) is arranged on the outer side of the cover body (32); the air storage seats (42) are fixed on the inner walls on both sides of the top of the protective cover (41); an exhaust groove (421) is embedded on one side of the air storage seat (42) close to the heat dissipation fin (34); clamping blocks (43) are evenly fixed on both sides of the bottom end of the protective cover (41); and clamping grooves (44) are provided inside the partition (31) below the clamping block (43).

6. A power distribution installation cable joint connection device according to claim 5, characterized in that: The interior of the gas storage seat (42) is filled with nitrogen at high pressure, the interior of the exhaust groove (421) is filled with a polyethylene block, and the clamping block (43) and the partition plate (31) form a clamping structure through the clamping groove (44).

7. A power distribution installation cable joint connection device according to claim 1, characterized in that: The sealing structure (5) comprises a sealing cover (51), a sealing gasket (52), a wire tube (53), a rubber ring (54), a locking nut (55) and a fixing nut (56); the sealing cover (51) is arranged on the outer sides of the two ends of the top of the base (1); a sealing gasket (52) is arranged between the contact surface of the sealing cover (51) and the base (1); a wire tube (53) is passed through one end of the sealing cover (51); a fixing nut (56) is bolted on the outer wall of the wire tube (53) outside the sealing cover (51); a rubber ring (54) is embedded on the inner wall of the wire tube (53) at one end away from the partition (31); and a locking nut (55) is bolted on the outer side of the wire tube (53) at one end of the rubber ring (54).

8. A power distribution installation cable joint connection device according to claim 7, characterized in that: The connection positions of the two groups of sealing covers (51) are staggered with each other, the bottom ends of the sealing covers (51) are fixedly connected to the base (1) via bolts, and a sealing ring is provided at the connection between the wire tube (53) and the sealing cover (51).

9. A power distribution installation cable joint connection device according to claim 7, characterized in that: The inside of the outer wire tube (53) of the rubber ring (54) is evenly provided with reserved grooves, and the inner side of the locking nut (55) is in a cone shape.

10. A method for connecting a power distribution installation cable joint connection device, comprising the following steps, characterized in that: S1, stripping the two cable connectors to be connected; S2. Install the wire tube (53) on one end of the sealing cover (51) through the fixing nut (56), and pass the two cable connectors through the wire tube (53) and the rubber ring (54) so ​​that the cable connectors are located on the inner side of the sealing cover (51); S3. Place the two stripped parts of the cable connectors on top of the conductive seat (33), then cover the cover (32) on the outside of the conductive seat (33), and fix the cover (32) and the partition (31) with bolts so that the cover (32) and the conductive seat (33) press and fix the cable connector; S4. The upper hoop (22) is covered on the top of the lower hoop (21), and the lower hoop (21) and the upper hoop (22) are fixedly connected by bolts, so that the upper hoop (22) and the lower hoop (21) fix the cable; S5. Cover the protective cover (41) on the outside of the partition (31), press the protective cover (41), move the clamping block (43) to the inside of the clamping groove (44), and then clamp the protective cover (41) and the partition (31) together; S6. Place the sealing pad (52) on the top of the base (1), then move the two sets of sealing covers (51) to both sides of the top of the base (1), and make the two sets of sealing covers (51) interlaced and pressed together at the connection position, use bolts to fix the sealing covers (51) and the base (1), turn the locking nut (55), the locking nut (55) and the wire tube (53) are bolted, and the locking nut (55) is moved to one end of the sealing cover (51), so that the end of the locking nut (55) with the reserved groove is contracted, so that the rubber ring (54) is sealed and fixed to the cable.

Images