Vacuum degree detection device for arc extinguish chamber of vacuum circuit breaker

Abstract

The utility model relates to a vacuum degree detection device for an arc extinguish chamber of a vacuum circuit breaker, which belongs to the technical field of vacuum detection of vacuum circuit breakers and comprises a vacuum circuit breaker, a top cover, a top shielding plate, an internal shielding plate and a mounting seat. The mounting mechanism comprises a sealing cover movably mounted on the outer wall of the top of the top cover, and two connecting seats are fixedly mounted on the peripheral wall of the sealing cover. According to the vacuum degree detection device for the arc extinguish chamber of the vacuum circuit breaker, the top of the vacuum circuit breaker is sealed under the action of the sealing cover, and the vacuum detector is driven to move up and down to adjust the height under the action of the threaded rod, the threaded adjusting ring, the connecting seat and the adjusting rod; the height of the vacuum detector can be adjusted according to the space reserved in the arc extinguish chamber of the vacuum circuit breaker, the vacuum detector is prevented from being extruded and damaged, and meanwhile the sealing performance of the top of the vacuum circuit breaker is improved through the effect of the metal sealing gasket.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum detection technical field of vacuum circuit breaker, concretely is a kind of vacuum degree detection device for vacuum circuit breaker arc-extinguishing chamber. BACKGROUND

[0002] The vacuum degree detection device for vacuum circuit breaker arc-extinguishing chamber is a special equipment for monitoring and detecting the vacuum level in the arc-extinguishing chamber of the vacuum circuit breaker. The device measures the pressure in the arc-extinguishing chamber through a specific interface connected to the chamber using high-precision sensors to determine whether the vacuum level meets the specified standards. This detection is crucial for ensuring that the circuit breaker can effectively extinguish arcs, prevent arc reignition, and ensure the safe operation of the power system. The detection device typically has fast response, high-precision measurement, and easy operation, providing real-time feedback on the vacuum state of the arc-extinguishing chamber to users, allowing for timely maintenance or replacement to ensure the reliability and service life of the circuit breaker.

[0003] Currently, the internal electrical layout of vacuum circuit breakers is usually very compact to maximize space utilization, resulting in limited space inside the vacuum circuit breaker arc-extinguishing chamber. This makes the installation environment for the vacuum degree detector quite harsh, which can easily cause the vacuum degree detector to be squeezed and damaged during installation, making it unable to function properly. Additionally, the vacuum degree detector may also affect the overall sealing due to space constraints. Therefore, a vacuum degree detection device for vacuum circuit breaker arc-extinguishing chamber is proposed. SUMMARY

[0004] To address the shortcomings of existing technology, the utility model provides a vacuum degree detection device for vacuum circuit breaker arc-extinguishing chamber, which has the advantages of solving the problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vacuum degree detection device for vacuum circuit breaker arc-extinguishing chamber, comprising a vacuum circuit breaker, a top cover, a top shielding plate, an internal shielding plate and a mounting seat, the top of the vacuum circuit breaker is provided with a mounting mechanism;

[0006] The mounting mechanism includes a sealing cover movably mounted on the top outer wall of the top cover, the outer peripheral wall of the sealing cover is fixedly installed with two connecting seats, the outer peripheral wall of the vacuum circuit breaker is fixedly installed with two fixed seats, the inside of the fixed seat is movably installed with a first bolt, the top outer wall of the mounting seat is rotatably installed with a threaded rod, the outer peripheral wall of the threaded rod is threadedly connected with a threaded adjusting ring, the outer peripheral wall of the threaded adjusting ring is fixedly installed with two connecting frame bodies, the side away from the threaded adjusting ring of the connecting frame body is movably connected with an adjusting rod, the inside of the adjusting rod is movably installed with two second bolts, the bottom outer wall of the adjusting rod is fixedly installed with a vacuum detector, and the top of the vacuum detector is movably installed with two metal sealing gaskets.

[0007] Further, the inside of the connecting seat and the fixing seat is provided with a first mounting hole, the first bolt is movably installed in the first mounting hole and is matched in size.

[0008] Further, the connecting frame body is T-shaped, two second mounting holes are formed in the inside of the side away from the threaded adjusting ring of the connecting frame body and the adjusting rod, and the second bolt is movably installed in the second mounting hole and is matched in size.

[0009] Further, the inside of the top cover and the top shielding plate is provided with two sliding holes, and the vacuum detector is slidably connected in the sliding hole and is matched in size.

[0010] Further, the metal sealing gasket is semicircular, arc-shaped grooves are formed in the opposite side outer walls of two adjacent metal sealing gaskets, the adjusting rod is slidably connected in the arc-shaped groove and is matched in size, two metal sealing gaskets form a cylinder, and the cylinder is slidably connected in the sliding hole and is matched in size.

[0011] Further, the height of the metal sealing gasket is higher than the height of the top cover.

[0012] Further, the top cover is welded on the top of the vacuum circuit breaker, the top shielding plate is fixedly installed on the bottom of the top cover, the inner shielding plate is fixedly installed on the bottom of the top cover, and the mounting seat is fixedly installed on the top of the top cover.

[0013] Further, the opposite side outer walls of the two metal sealing gaskets are provided with a friction layer.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] The vacuum degree detection device for the arc extinguishing chamber of the vacuum circuit breaker seals the top of the vacuum circuit breaker through the sealing cover, drives the vacuum detector to move up and down to adjust the height through the threaded rod, the threaded adjusting ring, the connecting seat and the adjusting rod, the vacuum detector can adjust the height according to the space reserved in the arc extinguishing chamber of the vacuum circuit breaker, prevents the vacuum detector from being squeezed and damaged, and improves the sealing performance of the top of the vacuum circuit breaker through the metal sealing gasket. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is the utility model Figure 1 It is a front view structural schematic view;

[0018] Figure 3 It is the utility modelFigure 1 An enlarged structural schematic view at A;

[0019] Figure 4 A connecting structure schematic view of the adjusting rod and the metal sealing gasket.

[0020] In the figure:

[0021] 1, vacuum circuit breaker; 2, top cover; 3, top shielding plate; 4, internal shielding plate; 5, mounting seat; 6, sealing cover; 7, connecting seat; 8, fixing seat; 9, first bolt; 10, threaded rod; 11, connecting frame body; 12, adjusting rod; 13, second bolt; 14, vacuum detector; 15, metal sealing gasket; 16, threaded adjusting ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment one, please refer to Figures 1 to 4 A vacuum degree detection device for an arc-extinguishing chamber of a vacuum circuit breaker in the embodiment comprises a vacuum circuit breaker 1, a top cover 2, a top shielding plate 3, an internal shielding plate 4 and a mounting seat 5, and the top of the vacuum circuit breaker 1 is provided with a mounting mechanism.

[0024] The top cover 2 is welded on the top of the vacuum circuit breaker 1, the top shielding plate 3 is fixedly installed on the bottom of the top cover 2, the internal shielding plate 4 is fixedly installed on the bottom of the top cover 2, and the mounting seat 5 is fixedly installed on the top of the top cover 2.

[0025] The mounting mechanism comprises a sealing cover 6 movably installed on the top outer wall of the top cover 2, the sealing cover 6 is fixedly installed with two connecting seats 7 on the outer peripheral wall, the vacuum circuit breaker 1 is fixedly installed with two fixing seats 8 on the outer peripheral wall, the fixing seat 8 is movably installed with a first bolt 9 inside, and the connecting seat 7 and the fixing seat 8 are both provided with a first mounting hole, and the first bolt 9 is movably installed inside the first mounting hole and is appropriately sized.

[0026] The outer wall of the top of the mounting seat 5 is rotatably connected with a threaded rod 10, the outer wall of the threaded rod 10 is threadedly connected with a threaded adjusting ring 16, the outer wall of the threaded adjusting ring 16 is fixedly connected with two connecting frame bodies 11, the side, away from the threaded adjusting ring 16, of each connecting frame body 11 is movably connected with an adjusting rod 12, the interior of the adjusting rod 12 is movably connected with two second bolts 13, each connecting frame body 11 is T-shaped, the side, away from the threaded adjusting ring 16, of each connecting frame body 11 and the interior of the adjusting rod 12 are both provided with two second mounting holes, and the second bolts 13 are movably arranged in the second mounting holes and are appropriately sized.

[0027] The outer wall of the bottom of the adjusting rod 12 is fixedly connected with a vacuum detector 14, the interiors of the top cover 2 and the top shielding plate 3 are both provided with two sliding holes, the vacuum detector 14 is slidably connected in the sliding holes and is appropriately sized, the top of the vacuum detector 14 is movably connected with two metal sealing gaskets 15, each metal sealing gasket 15 is semicircular, the side, away from the other metal sealing gasket 15, of each metal sealing gasket 15 is provided with an arc-shaped groove, the adjusting rod 12 is slidably connected in the arc-shaped groove and is appropriately sized, the two metal sealing gaskets 15 form a cylinder, the cylinder is slidably connected in the sliding hole and is appropriately sized, and the height of each metal sealing gasket 15 is higher than the height of the top cover 2.

[0028] In this embodiment, the metal sealing gaskets 15 seal the sliding holes provided in the interiors of the top cover 2 and the top shielding plate 3, thereby improving the sealing performance of the vacuum circuit breaker 1.

[0029] In this embodiment, the threaded rod 10 is used to move the vacuum detector 14 up and down, so that the vacuum detector 14 can be easily repaired or replaced.

[0030] In the second embodiment, a friction layer is arranged on the basis of the first embodiment, so that the metal sealing gaskets 15 are more stably connected with the adjusting rod 12, and the sealing effect is improved.

[0031] The working principle of the above-mentioned embodiments is as follows:

[0032] Firstly, the top cover 2 is installed on the top of the vacuum circuit breaker 1 from top to bottom, at this time, the top shielding plate 3 and the inner shielding plate 4 are both installed in the vacuum circuit breaker 1, then the top cover 2 is welded with the vacuum circuit breaker 1, at this time, the connecting frame body 11 and the adjusting rod 12 are fixedly connected through the second bolt 13, then the metal sealing gasket 15 is attached to the outer peripheral wall of the adjusting rod 12 and located in the sliding hole, then the threaded rod 10 is rotated to drive the vacuum detector 14 to slide downward through the action of the threaded adjusting ring 16, at this time, the vacuum detector 14 will move to the inside of the vacuum circuit breaker 1, finally, the sealing cover 6 is installed on the top of the top cover 2 through the first bolt 9 and the connecting seat 7 and the fixing seat 8, at this time, the installation work of the vacuum detector 14 is completed.

[0033] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments or examples that are not specifically recited. Numerous specific embodiments have been set forth herein; however, those with ordinary skill in the art will understand that various modifications and changes can be made thereto without departing from the spirit and scope of the claimed subject matter, which is not to be taken as limiting. Although operations can be described as a sequential process, many of the operations can in fact be performed in parallel, concurrently, or in a distributed fashion. In another embodiment, operations can be performed at different times.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vacuum degree detection device for a vacuum interrupter arc-extinguishing chamber, comprising a vacuum interrupter (1), a top cover (2), a top shielding plate (3), an inner shielding plate (4) and a mounting seat (5), characterized in that: The top of the vacuum circuit breaker (1) is provided with a mounting mechanism; The mounting mechanism comprises a sealing cover (6) movably mounted on the top outer wall of the top cover (2), the outer peripheral wall of the sealing cover (6) is fixedly provided with two connecting seats (7), the outer peripheral wall of the vacuum circuit breaker (1) is fixedly provided with two fixed seats (8), the inner part of the fixed seat (8) is movably provided with a first bolt (9), the top outer wall of the mounting seat (5) is rotatably provided with a threaded rod (10), the outer peripheral wall of the threaded rod (10) is threadedly connected with a threaded adjusting ring (16), the outer peripheral wall of the threaded adjusting ring (16) is fixedly provided with two connecting frame bodies (11), the side of the connecting frame body (11) away from the threaded adjusting ring (16) is movably connected with an adjusting rod (12), the inner part of the adjusting rod (12) is movably provided with two second bolts (13), the bottom outer wall of the adjusting rod (12) is fixedly provided with a vacuum detector (14), and the top of the vacuum detector (14) is movably provided with two metal sealing gaskets (15).

2. The vacuum degree detection device for the vacuum interrupter arc chamber according to claim 1, characterized in that: The inner part of the connecting seat (7) and the fixed seat (8) is provided with a first mounting hole, and the first bolt (9) is movably mounted in the first mounting hole and is appropriately sized.

3. The vacuum degree detection device for the vacuum interrupter arc chamber according to claim 1, characterized in that: The connecting frame body (11) is T-shaped, the side of the connecting frame body (11) away from the threaded adjusting ring (16) and the inner part of the adjusting rod (12) are both provided with two second mounting holes, and the second bolt (13) is movably mounted in the second mounting hole and is appropriately sized.

4. The vacuum degree detection device for the vacuum interrupter arc chamber according to claim 1, characterized in that: The inner part of the top cover (2) and the top shielding plate (3) is provided with two sliding holes, and the vacuum detector (14) is slidably connected in the sliding hole and is appropriately sized.

5. The vacuum degree detection device for the vacuum interrupter arc chamber according to claim 4, characterized in that: The metal sealing gasket (15) is semicircular, arc-shaped grooves are formed in the opposite side outer walls of two adjacent metal sealing gaskets (15), the adjusting rod (12) is slidably connected in the arc-shaped groove and is appropriately sized, two metal sealing gaskets (15) form a cylindrical body, and the cylindrical body is slidably connected in the sliding hole and is appropriately sized.

6. The vacuum degree detection device for the vacuum interrupter arc chamber according to claim 1, characterized in that: The height of the metal sealing gasket (15) is higher than the height of the top cover (2).

7. The vacuum degree detection device for the vacuum interrupter arc chamber according to claim 1, characterized in that: The top cover (2) is welded on the top of the vacuum circuit breaker (1), the top shielding plate (3) is fixedly mounted on the bottom of the top cover (2), the inner shielding plate (4) is fixedly mounted on the bottom of the top cover (2), and the mounting seat (5) is fixedly mounted on the top of the top cover (2).

8. The vacuum degree detection device for the vacuum interrupter arc chamber according to claim 1, characterized in that: The opposite side outer walls of the two metal sealing gaskets (15) are provided with a friction layer.

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