High-voltage vacuum circuit breaker

Abstract

The utility model discloses a high-voltage vacuum circuit breaker, which comprises a mechanism box, three insulating covers are arranged at the top of the mechanism box, a connecting position is formed between the two insulating covers, a protective cover is sleeved above each insulating cover, and two ends of the rear part of each protective cover are connected to the connecting position. The front end face of the mechanism box is fixedly connected with a supporting frame, and the two front ends of the insulating cover are clamped to the top surface of the supporting frame. According to the utility model, the bayonet is clamped on the connection position, and the protection cover is clamped through the bayonet, so that the protection cover is fixed, the insulation cover is protected through the protection cover, small wild animals are prevented from biting the insulation cover, and meanwhile, the insulation cover is arranged, so that the phenomenon that the bodies of the small wild animals cross the two phases of the switch is also prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage vacuum circuit breakers, in particular to a high-voltage vacuum circuit breaker. Background Art

[0002] High-voltage vacuum circuit breaker is an important device in high-voltage complete equipment. It is a high-voltage switch device that uses vacuum medium to achieve circuit breaking. It is mainly used to control and protect circuits. Especially in the event of a fault, it can automatically disconnect the current to protect the safety of equipment and personnel.

[0003] The existing high-voltage vacuum circuit breakers do not have a protective effect, especially in the face of beautification of the city's appearance, the power poles or high-voltage devices are moved to the mountainous areas. In addition, with the improvement of the natural environment, various small wild animals are gradually increasing, such as squirrels. Squirrels are flexible, have long tails, are good at climbing poles, and have sharp teeth that can bite through thicker insulation protection layers, making them aggressive. Therefore, in Yuhang, Anji and other mountainous and forested areas, pine trees frequently climb to high-voltage vacuum circuit breakers and bite through the insulation cover of the switch connector, destroying the surface insulation. When crawling, due to their long tails, their bodies cross the two phases of the switch, causing the high-voltage circuit breaker to short-circuit between phases and cause the switch to trip, thus causing a large area of ​​power outages. Summary of the invention

[0004] The purpose of the utility model is to provide a high-voltage vacuum circuit breaker to solve the problem that the existing high-voltage vacuum circuit breakers mentioned in the above background technology do not have a protective effect, especially in the face of beautifying the city's appearance, the electric poles or high-voltage devices are moved to the mountainous area. In addition, with the improvement of the natural environment, various small wild animals are gradually increasing, such as squirrels. Squirrels are flexible, have long tails, are good at climbing poles, and have sharp teeth that can bite through thicker insulating protective layers, making them aggressive. Therefore, in Yuhang, Anji and other mountainous and forested areas, pine trees frequently climb to high-voltage vacuum circuit breakers and bite through the insulating cover of the switch connector, destroying the surface insulation. When crawling, due to their long tails, their bodies cross the two phases of the switch, causing the high-voltage circuit breaker to short-circuit between phases and cause the switch to trip, thereby causing a large area of ​​power outages.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-voltage vacuum circuit breaker, including a mechanism box, three insulating covers are arranged on the top of the mechanism box, and a connection position is formed between two of the insulating covers, protective covers are sleeved on the top of the insulating covers, and the two ends of the rear of the protective covers are connected to the connection position, the front end face of the mechanism box is fixedly connected to a support frame, and the two ends of the front of the insulating covers are clamped on the top surface of the support frame.

[0006] Preferably, a plurality of bayonet holes are provided on the connection position, and the bayonet holes are evenly arranged.

[0007] Preferably, an escape opening 1 is opened at both ends of the rear bottom of the protective cover at a position relative to the mechanism box, a card block is fixedly connected to the escape opening 1 at a position relative to the bayonet, and the card block is clamped in the bayonet, and an escape opening 2 is opened at both ends of the front bottom of the protective cover at a position relative to the support frame.

[0008] Preferably, a reinforcing rib is provided at the center of the protective cover, and two ends of the reinforcing rib are respectively fixedly connected to two sides of the inner wall of the protective cover.

[0009] Preferably, a third avoidance opening is provided below the reinforcing rib.

[0010] Preferably, the protective cover is made of transparent plastic material.

[0011] Preferably, the first avoidance opening is adapted to the mechanism box, and the second avoidance opening is adapted to the support frame.

[0012] Beneficial Effects

[0013] Compared with the existing technology, the beneficial effects of the utility model are:

[0014] The utility model has a bayonet on the connection position, and a protective cover is connected with the bayonet to fix the protective cover. The protective cover protects the insulating cover and prevents small wild animals from gnawing on the insulating cover. At the same time, the insulating cover can prevent the body of the small wild animal from crossing between two phases of the switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the mechanism box of the utility model;

[0017] Figure 3 This is a schematic diagram of the protective cover structure of the utility model.

[0018] 1. Mechanism box; 2. Insulation cover; 3. Support frame; 4. Connection position; 5. Protective cover; 6. Bayonet; 7. Avoidance opening 1; 8. Avoidance opening 2; 9. Reinforcement rib; 10. Avoidance opening 3; 11. Block. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "back", "inside", "outside", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore are not to be construed as limiting the present invention. In addition, the terms "first", "second" and "third" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

[0021] like Figure 1-3 It is a structural schematic diagram of a high-voltage vacuum circuit breaker of a preferred embodiment of the utility model. In this embodiment, a high-voltage vacuum circuit breaker includes a mechanism box 1, three insulating covers 2 are arranged on the top of the mechanism box 1, and a connection position 4 is formed between two insulating covers 2, and protective covers 5 are sleeved on the top of the insulating covers 2, and the two ends of the rear of the protective covers 5 are connected to the connection position 4, and the front end face of the mechanism box 1 is fixedly connected to a support frame 3, and the two ends of the front of the insulating cover 2 are clamped on the top surface of the support frame 3. Through the arrangement of the above structure, the insulating cover 2 is protected by the protective cover 5 to prevent the biting of small wild animals, and there will be a gap between the two insulating covers 2, and the outer walls of the two protective covers 5 are used to fill the gap, so as to prevent the small wild animals from crossing the two phases of the switch.

[0022] In this embodiment, a plurality of bayonet holes 6 are provided on the connection position 4, and the bayonet holes 6 are arranged evenly. A first avoidance hole 7 is provided at both ends of the bottom rear of the protective cover 5 at positions relative to the mechanism box 1, and a clamping block 11 is fixedly connected in the first avoidance hole 7 at positions relative to the bayonet holes 6, and the clamping block 11 is clamped in the bayonet holes 6. The fixing function of the protective cover 5 is achieved through the cooperation between the clamping block 11 and the bayonet holes 6, and the guiding function is also achieved. A second avoidance hole 8 is provided at both ends of the bottom front of the protective cover 5 at positions relative to the support frame 3. The setting of the second avoidance hole 8 facilitates the protective cover 5 to be mounted and connected to the support frame 3, and the auxiliary clamping block 11 is fixed to the bayonet holes 6, so as to ensure that the protective cover 5 is not easy to fall off after long-term use.

[0023] In this embodiment, a reinforcing rib 9 is provided at the center of the protective cover 5, and both ends of the reinforcing rib 9 are respectively fixedly connected to the two sides of the inner wall of the protective cover 5. This structural arrangement reduces the possibility of deformation of the protective cover 5 in hot weather.

[0024] In this embodiment, the provision of the reinforcing rib 9 may interfere with the closing and opening operations of the switch, and therefore a avoidance opening 10 is provided below the reinforcing rib 9 .

[0025] In this embodiment, the protective cover 5 is made of transparent plastic material, which is convenient for observation and ensures safety in long-term use.

[0026] In this embodiment, the first avoidance opening 7 is adapted to the mechanism box 1 , and the second avoidance opening 8 is adapted to the support frame 3 .

[0027] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A high voltage vacuum circuit breaker, comprising a mechanism box (1), characterized in that: The top of the mechanism box (1) is provided with three insulating covers (2), and a connection position (4) is formed between two of the insulating covers (2). A protective cover (5) is sleeved on the top of each of the insulating covers (2), and the two rear ends of the protective cover (5) are connected to the connection position (4). The front end surface of the mechanism box (1) is fixedly connected to a support frame (3), and the two front ends of the insulating cover (2) are clamped on the top surface of the support frame (3).

2. A high voltage vacuum circuit breaker according to claim 1, characterized in that: The connection position (4) is provided with a plurality of bayonet holes (6), and the bayonet holes (6) are evenly arranged.

3. A high voltage vacuum circuit breaker according to claim 1, characterized in that: The two ends of the bottom rear of the protective cover (5) are provided with a first avoidance opening (7) at a position relative to the mechanism box (1); a clamping block (11) is fixedly connected to the first avoidance opening (7) at a position relative to the clamping opening (6), and the clamping block (11) is clamped in the clamping opening (6); and the two ends of the bottom front of the protective cover (5) are provided with a second avoidance opening (8) at a position relative to the support frame (3).

4. A high voltage vacuum circuit breaker according to claim 3, characterized in that: A reinforcing rib (9) is provided at the center of the protective cover (5), and two ends of the reinforcing rib (9) are respectively fixedly connected to two sides of the inner wall of the protective cover (5).

5. A high voltage vacuum circuit breaker according to claim 4, characterized in that: A third avoidance opening (10) is provided below the reinforcing rib (9).

6. A high voltage vacuum circuit breaker according to claim 4, characterized in that: The protective cover (5) is made of transparent plastic material.

7. A high voltage vacuum circuit breaker according to claim 3, characterized in that: The first avoidance opening (7) is adapted to the mechanism box (1), and the second avoidance opening (8) is adapted to the support frame (3).

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