Intelligent circuit breaker in outdoor high-voltage environment-friendly gas insulation mode

Abstract

The utility model discloses an intelligent circuit breaker in an outdoor high-voltage environment-friendly gas insulation mode, and relates to the technical field of circuit breakers, in particular to the intelligent circuit breaker in the outdoor high-voltage environment-friendly gas insulation mode, which comprises a sulfur hexafluoride circuit breaker, the sulfur hexafluoride circuit breaker is provided with a protection structure and is used for protection, and the protection structure comprises an installation assembly which comprises installation seats fixed to the outer walls of the two ends of the sulfur hexafluoride circuit breaker, through holes are formed in the installation seats, and one ends of the installation seats are provided with guide cylinders; the fixing assembly comprises a first fixing head and a second fixing head which are installed at the two ends in the guide cylinder in a sliding mode respectively, and the problems that according to the scheme, the shielding cloth is supported through a support, due to the fact that the overall structure of the support is large, much space is occupied, mounting and dismounting are more troublesome, and cost is low are solved. And inconvenience is also caused when a worker carries out circuit maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to an outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker. Background Art

[0002] Sulfur hexafluoride circuit breaker is a high-voltage circuit breaker that uses sulfur hexafluoride (SF6) gas as arc extinguishing medium and insulating medium. This circuit breaker has excellent insulation performance and arc extinguishing characteristics, and can achieve reliable current control and protection in high-voltage and ultra-high-voltage systems;

[0003] According to the public announcement number: CN210015816U, a sulfur hexafluoride circuit breaker with a protective disassembly assembly is disclosed. This technology discloses technical solutions such as "protecting the transmission box, operating mechanism, lower terminal board and upper terminal board and other components that are prone to aging and damage through the setting of connecting rods and shielding cloth", which has technical effects such as "preventing them from being directly exposed to rain and sun, delaying their aging, and reducing the safety hazards of the wiring position contacting rainwater";

[0004] Since sulfur hexafluoride circuit breakers are mostly used outdoors and there are multiple groups of circuit breakers arranged and installed on the ground, however, the above solution is to support the shielding cloth by a bracket. Since the overall structure of the bracket is large, it occupies more space, is inconvenient to transport and carry, and is more troublesome to install and disassemble, which also causes inconvenience to the staff when performing circuit maintenance. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker, which has the characteristics of shielding the sulfur hexafluoride circuit breaker by adding a protective structure to prevent it from being directly exposed to rain and sun, thereby delaying its aging.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: an outdoor high-voltage environmentally friendly gas insulated intelligent circuit breaker includes a sulfur hexafluoride circuit breaker, three support porcelain sleeves are installed on the upper end of the sulfur hexafluoride circuit breaker, and a protective structure is provided on the sulfur hexafluoride circuit breaker for protection, and the protective structure includes:

[0007] The mounting assembly comprises a mounting seat fixed to the outer walls of both ends of the sulfur hexafluoride circuit breaker, a through hole is provided inside the mounting seat, and a guide cylinder is provided at one end of the mounting seat;

[0008] The fixing assembly comprises a first fixing head and a second fixing head which are respectively slidably mounted at two ends of the guide cylinder, a first arc groove and a second arc groove which are matched with the through hole are respectively provided on the first fixing head and the second fixing head, a screw is fixed at one end of the first fixing head, and the screw passes through the second fixing head, a threaded cover is rotatably mounted at the outer end of the guide cylinder, and a threaded installation is performed between the threaded cover and the screw;

[0009] The shielding component comprises a vertical pole installed through a hole on a mounting base, a bracket installed on the upper end of the vertical pole, and a waterproof cloth installed on the bracket.

[0010] Preferably, the protective structure also includes a mounting head fixed to the bottom of the bracket, and a hanging hole fixed to the end of the bracket, which is connected between the two end brackets by a hinge.

[0011] Preferably, the protective structure further comprises a Velcro hook surface fixed to the top surface of the bracket, and a Velcro fleece surface cooperating with the Velcro hook surface is fixed to the bottom surface of the waterproof cloth.

[0012] Preferably, the protective structure further comprises an annular groove fixed on the first arc-shaped groove, and a plurality of arc-shaped protrusions formed on the outer wall of the vertical rod.

[0013] Preferably, four circumferentially distributed threaded heads are fixed to the bottom of the support porcelain sleeve, three fixing seats are fixed to the top of the sulfur hexafluoride circuit breaker, and four circumferentially distributed mounting holes are opened inside the fixing seats.

[0014] Preferably, a circle of sealing gasket is installed on the inner wall of the upper end of the fixing seat and is used for sealing between the support porcelain sleeve and the fixing seat.

[0015] Beneficial Effects

[0016] The utility model provides an outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker. Compared with the prior art, it has the following beneficial effects:

[0017] (1) By passing the support rod through the through hole on the mounting base, the threaded cover is rotated to cooperate with the screw to drive the first fixing head to move outward, so that the first arc groove on the first fixing head and the second arc groove on the second fixing head cooperate with the inner wall of the through hole to fix the vertical pole. At the same time, the arc-shaped protrusion on the first arc groove can be embedded in the annular groove on the vertical pole, so that the fixing of the vertical pole is more secure. After the shielding assembly is fixed, the sulfur hexafluoride circuit breaker below is shielded and protected to prevent it from being directly exposed to rain and sun, thereby delaying its aging.

[0018] (2) The bracket can be disassembled and assembled with the vertical pole, and the bracket can be folded through a hinge to reduce the volume and facilitate transportation and carrying; the waterproof cloth can be installed on the bracket by sticking the Velcro hook surface with the Velcro fleece surface, making the waterproof cloth easy to disassemble and replace.

[0019] (3) When installing the pillar porcelain sleeve, insert the threaded head at the bottom into the mounting hole on the fixing base and penetrate it to the upper end of the internal part of the sulfur hexafluoride circuit breaker. Then fix the pillar porcelain sleeve with a nut from the inside of the sulfur hexafluoride circuit breaker to avoid being exposed to the outside and prone to rust. In addition, after the pillar porcelain sleeve is installed on the fixing base, it can be sealed with a sealing gasket to prevent rainwater from penetrating into the interior of the sulfur hexafluoride circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure inside the installation component of the utility model;

[0022] Figure 3 It is a three-dimensional assembly diagram of the shielding component in the utility model;

[0023] Figure 4 It is a three-dimensional assembly diagram of the pillar porcelain sleeve in the utility model.

[0024] In the figure: 1. sulfur hexafluoride circuit breaker; 2. protective structure; 21. installation component; 211. mounting seat; 212. perforation; 213. guide cylinder; 22. fixing component; 221. first fixing head; 222. second fixing head; 223. screw; 224. threaded cover; 225. first arc groove; 226. second arc groove; 23. shielding component; 231. vertical pole; 232. bracket; 233. hinge; 234. mounting head; 235. waterproof cloth; 236. Velcro hook surface; 237. hanging hole; 24. anti-skid component; 241. arc-shaped protrusion; 242. ring groove; 3. pillar porcelain sleeve; 4. threaded head; 5. fixing seat; 6. mounting hole; 7. sealing gasket. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4 The utility model provides a technical solution for an outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker: an outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker includes a sulfur hexafluoride circuit breaker 1, three support porcelain sleeves 3 are installed on the upper end of the sulfur hexafluoride circuit breaker 1, and a protective structure 2 is provided on the sulfur hexafluoride circuit breaker 1 for protection, and the protective structure 2 includes:

[0027] The mounting assembly 21 comprises a mounting seat 211 fixed to the outer walls of both ends of the sulfur hexafluoride circuit breaker 1, a through hole 212 is formed inside the mounting seat 211, and a guide cylinder 213 is provided at one end of the mounting seat 211;

[0028] The fixing assembly 22 includes a first fixing head 221 and a second fixing head 222 which are slidably mounted at two ends of the guide cylinder 213, respectively. The first fixing head 221 and the second fixing head 222 are respectively provided with a first arc groove 225 and a second arc groove 226 which match the through hole 212. A screw rod 223 is fixed to one end of the first fixing head 221, and the screw rod 223 passes through the second fixing head 222. A threaded cover 224 is rotatably mounted on the outer end of the guide cylinder 213, and a threaded installation is formed between the threaded cover 224 and the screw rod 223.

[0029] The shielding assembly 23 includes a vertical pole 231 installed through the through hole 212 on the mounting seat 211 , a bracket 232 installed on the upper end of the vertical pole 231 , and a waterproof cloth 235 installed on the bracket 232 .

[0030] In this embodiment, the support rod 23 is installed through the through hole 212 on the mounting seat 211, and then the threaded cover 224 is rotated to cooperate with the screw 223 to drive the first fixed head 221 to move outward, so that the first arc groove 225 on the first fixed head 221 and the second arc groove 226 on the second fixed head 222 cooperate with the inner wall of the through hole 212 to fix the vertical rod 231; after the shielding assembly 23 is fixed, the sulfur hexafluoride circuit breaker 1 below is shielded and protected to prevent it from being directly exposed to rain and sun, thereby delaying its aging.

[0031] Specifically, the protective structure 2 also includes two end brackets 232 connected by hinges 233 , a mounting head 234 fixed at the bottom of the bracket 232 , and a hanging hole 237 fixed at the end of the bracket 232 .

[0032] In this embodiment, after the vertical poles 231 are fixed on both sides of the sulfur hexafluoride circuit breaker 1, the bracket 232 is unfolded and inserted into the vertical pole 231 through the mounting head 234, so that the bracket 232 is installed between the tops of the vertical poles 231 on both sides; and the bracket 232 can be folded by the hinge 233 to reduce the volume and facilitate transportation and carrying.

[0033] Specifically, the protective structure 2 further includes a Velcro hook surface 236 fixed to the top surface of the bracket 232 , and a Velcro fleece surface matched with the Velcro hook surface 236 is fixed to the bottom surface of the waterproof cloth 235 .

[0034] In this embodiment, the waterproof cloth 235 can be mounted on the bracket 232 by sticking the Velcro hook surface 236 with the Velcro fleece surface, so that the waterproof cloth 235 is easy to disassemble, assemble and replace.

[0035] Specifically, the protection structure 2 further includes an annular groove 241 fixed on the first arc-shaped groove 225 , and a plurality of arc-shaped protrusions 242 formed on the outer wall of the vertical rod 231 .

[0036] In this embodiment, when the first arc groove 225 on the first fixing head 221 and the second arc groove 226 on the second fixing head 222 cooperate with the inner wall of the through hole 212 to fix the vertical rod 231, the arc-shaped protrusion 241 on the first arc groove 225 can be embedded in the annular groove 242 on the vertical rod 231, so that the fixation of the vertical rod 231 is more secure.

[0037] Specifically, four threaded heads 4 distributed circumferentially are fixed to the bottom of the pillar porcelain sleeve 3 , three fixing seats 5 are fixed to the top of the sulfur hexafluoride circuit breaker 1 , and four mounting holes 6 distributed circumferentially are opened inside the fixing seats 5 .

[0038] In this embodiment, when the support porcelain sleeve 3 is installed, the threaded head 4 at the bottom is inserted into the mounting hole 6 on the fixing seat 5 and penetrates to the upper end of the interior of the sulfur hexafluoride circuit breaker 1, and then the support porcelain sleeve 3 is fixed from the inside of the sulfur hexafluoride circuit breaker 1 through a nut to avoid being exposed to the outside and prone to rust.

[0039] Specifically, a circle of sealing gasket 7 is installed on the inner wall of the upper end of the fixing seat 5 and is used for sealing between the support porcelain sleeve 3 and the fixing seat 5 .

[0040] In this embodiment, after the support porcelain sleeve 3 is installed on the fixing seat 5 , it can be sealed by the sealing gasket 7 to prevent rainwater from penetrating into the interior of the sulfur hexafluoride circuit breaker 1 .

[0041] The working principle and use process of the utility model are as follows: first, when installing the pillar porcelain sleeve 3, the threaded head 4 at the bottom is inserted into the mounting hole 6 on the fixing seat 5 and penetrated to the internal upper end of the sulfur hexafluoride circuit breaker 1, and then, the pillar porcelain sleeve 3 is fixed from the inside of the sulfur hexafluoride circuit breaker 1 through a nut to avoid being exposed to the outside and easy to rust; finally, the support rod 23 is installed through the through hole 212 on the mounting seat 211, and then the threaded cover 224 is rotated to cooperate with the screw 223 to drive the first fixed head 221 to move outward, so that the first arc groove 225 on the first fixed head 221 and the second arc groove 226 on the second fixed head 222 cooperate with the inner wall of the through hole 212 to fix the vertical rod 231; after the shielding component 23 is fixed, the sulfur hexafluoride circuit breaker 1 below is shielded and protected to avoid it from being directly exposed to rain and sun, thereby delaying its aging.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker, comprising a sulfur hexafluoride circuit breaker (1), wherein three support porcelain sleeves (3) are installed at the upper end of the sulfur hexafluoride circuit breaker (1), and characterized in that: A protective structure (2) is provided on the sulfur hexafluoride circuit breaker (1) and is used for protection. The protective structure (2) comprises: The mounting assembly (21) comprises a mounting seat (211) fixed to the outer walls of both ends of the sulfur hexafluoride circuit breaker (1), a through hole (212) being provided inside the mounting seat (211), and a guide cylinder (213) being provided at one end of the mounting seat (211); The fixing assembly (22) comprises a first fixing head (221) and a second fixing head (222) which are slidably mounted at two ends of the guide cylinder (213), respectively; a first arcuate groove (225) and a second arcuate groove (226) which match the through hole (212) are respectively formed on the first fixing head (221) and the second fixing head (222); a screw rod (223) is fixed to one end of the first fixing head (221), and the screw rod (223) passes through the second fixing head (222); a threaded cover (224) is rotatably mounted on the outer end of the guide cylinder (213), and a threaded connection is formed between the threaded cover (224) and the screw rod (223); The shielding assembly (23) comprises a vertical pole (231) installed through the through hole (212) on the mounting seat (211), a bracket (232) installed on the upper end of the vertical pole (231), and a waterproof cloth (235) installed on the bracket (232).

2. The outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker according to claim 1 is characterized by: The protective structure (2) further comprises two end brackets (232) connected via hinges (233), a mounting head (234) fixed to the bottom of the bracket (232), and a hanging hole (237) fixed to the end of the bracket (232).

3. The outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker according to claim 2 is characterized by: The protective structure (2) further comprises a Velcro hook surface (236) fixed to the top surface of the bracket (232), and a Velcro fleece surface matching the Velcro hook surface (236) is fixed to the bottom surface of the waterproof cloth (235).

4. The outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker according to claim 1 is characterized in that: The protective structure (2) also includes an annular groove (241) fixed on the first arc-shaped groove (225), and a plurality of arc-shaped protrusions (242) formed on the outer wall of the vertical rod (231).

5. The outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker according to claim 1 is characterized in that: Four threaded heads (4) distributed in a circumference are fixed to the bottom of the support porcelain sleeve (3), three fixing seats (5) are fixed to the top of the sulfur hexafluoride circuit breaker (1), and four mounting holes (6) distributed in a circumference are provided inside the fixing seats (5).

6. The outdoor high-voltage environmentally friendly gas-insulated intelligent circuit breaker according to claim 5 is characterized by: A circle of sealing gasket (7) is installed on the inner wall of the upper end of the fixing seat (5) and is used for sealing between the support porcelain sleeve (3) and the fixing seat (5).

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