Environment-friendly cabinet with fuse

Abstract

The utility model discloses an environment-friendly cabinet with a fuse, which comprises a cabinet body, a gas tank is mounted on the cabinet body, a circuit breaker, an isolating switch, the fuse and a grounding switch are sequentially arranged in the gas tank from top to bottom, one end of the fuse extends to the outer side of the gas tank, an ejector pin is arranged on the fuse, a circuit breaker operating mechanism is arranged on the outer side of the gas tank, and a grounding switch is arranged on the grounding switch. The circuit breaker operating mechanism is provided with a switching-off plate, one side of the fuse is fixedly connected with a support, the support is rotatably provided with a push plate corresponding to the ejector pin, one side of the gas tank is symmetrically and fixedly connected with two supporting plates, a linkage shaft is rotatably installed between the two supporting plates, one side of the linkage shaft is provided with a driving plate matched with the push plate, and the other side of the linkage shaft is provided with a push rod matched with the push plate. According to the utility model, through the arrangement of the push plate, the driving plate, the linkage shaft, the L-shaped plate, the lower connecting plate, the upper connecting plate, the A-shaped plate and the tripping plate, after the fuse is fused, the tripping plate can automatically move to push the opening plate to act, so that the circuit breaker is automatically opened, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment technical field, concretely is a kind of environmental protection cabinet with fuse. BACKGROUND

[0002] Environmental protection cabinet is the general designation of environmental protection type switchgear in power system, usually refers to the distribution cabinet of environmental protection material, SF6 gas design, environmental protection cabinet is usually installed fuse, the role of fuse is when short-circuit fault occurs in circuit, fuse is cut off by fuse body rapid melting, prevent equipment damage.

[0003] The fuse of existing environmental protection cabinet is fused, usually there is no interlocking mechanism, so that circuit breaker is automatically tripped, and safety is poor. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of environmental protection cabinet with fuse to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of environmental protection cabinet with fuse, including cabinet, the gas tank is installed on the cabinet, the inside of the gas tank is sequentially provided with circuit breaker, disconnecting switch, fuse and grounding switch from top to bottom, one end of the fuse extends to the outside of the gas tank, and the fuse is equipped with stylus, the outside of the gas tank is equipped with circuit breaker operating mechanism, the circuit breaker operating mechanism is equipped with tripping board, one side of the fuse is fixedly connected with support, the support is rotatably installed with push plate corresponding with the stylus, one side of the gas tank is fixedly connected with two support plates, two support plates are rotatably installed with linkage shaft between them, one side of the linkage shaft is equipped with driving plate matched with the push plate, one side of the linkage shaft is fixedly connected with L-shaped plate, the L-shaped plate is hingedly connected with lower connecting plate, the top of the lower connecting plate is hingedly connected with upper connecting plate, the circuit breaker operating mechanism is installed with fixed plate, one side of the fixed plate is rotatably installed with A-shaped plate, the first waist-shaped hole is formed in one end of the A-shaped plate, the top of the upper connecting plate is hingedly connected with first waist-shaped hole, the circuit breaker operating mechanism is slidably installed with trip plate for pushing tripping board movement, the second waist-shaped hole is formed in the trip plate, the other end of the A-shaped plate is hingedly connected with second waist-shaped hole.

[0006] As a preferred scheme of the utility model, one end of the trip plate is equipped with bending part, and one side of the bending part is in contact with tripping board.

[0007] As a preferred scheme of the utility model, the circuit breaker operating mechanism is equipped with limiting post and limiting rod, the third waist-shaped hole is formed in the middle of the trip plate, and the limiting rod is located in the inside of the third waist-shaped hole.

[0008] As one preferred scheme of the utility model, one side of the lower connecting plate is fixedly connected with an indicating plate, and the outer side of the cabinet body is provided with an indicating hole corresponding to the indicating plate.

[0009] Compared with the prior art, the utility model has the advantages that the push plate, the driving plate, the linkage shaft, the L-shaped plate, the lower connecting plate, the upper connecting plate, the A-shaped plate and the tripping plate are arranged, so that when the fuse is fused, the tripping plate automatically moves to push the disconnecting plate to act, the circuit breaker is automatically disconnected, and the safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0011] Figure 2 It is a structure schematic view of the gas tank of the utility model;

[0012] Figure 3 It is a structure schematic view of the utility model Figure 2 It is an enlarged view of A in the utility model;

[0013] Figure 4 It is an enlarged view of B in the utility model Figure 2 It is an enlarged view of B in the utility model;

[0014] Figure 5 It is a sectional view of the utility model;

[0015] Figure 6 It is an enlarged view of C in the utility model Figure 5 It is an enlarged view of C in the utility model;

[0016] Figure 7 It is a front view of the gas tank of the utility model;

[0017] Figure 8 It is an enlarged view of D in the utility model Figure 7 It is an enlarged view of D in the utility model;

[0018] Figure 9 It is a structure schematic view of the lower connecting plate, the indicating plate, the upper connecting plate, the A-shaped plate and the tripping plate of the utility model.

[0019] In the drawing: 1, cabinet body; 2, gas tank; 3, indicating hole; 4, indicating plate; 5, lower connecting plate; 6, thimble; 7, support; 8, push plate; 9, fuse; 10, support plate; 11, driving plate; 12, linkage shaft; 13, L-shaped plate; 14, curved part; 15, circuit breaker operating mechanism; 16, upper connecting plate; 17, fixed plate; 18, A-shaped plate; 19, first waist-shaped hole; 20, second waist-shaped hole; 21, tripping plate; 22, limiting rod; 23, third waist-shaped hole; 24, limiting column; 25, disconnecting plate; 26, grounding switch; 27, circuit breaker; 28, isolating switch. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection 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 the ordinary skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figures 1 to 9 The utility model provides a kind of technical scheme: an environmental protection cabinet with fuse, including cabinet 1, cabinet 1 is equipped with gas tank 2, the inside of gas tank 2 is sequentially equipped with circuit breaker 27, disconnecting switch 28, fuse 9 and grounding switch 26 from top to bottom, one end of fuse 9 extends to the outside of gas tank 2, and fuse 9 is equipped with stylus 6, circuit breaker 27, disconnecting switch 28, fuse 9, grounding switch 26 and circuit breaker operating mechanism 15 are all prior art, so it is not described in detail, the outside of gas tank 2 is equipped with circuit breaker operating mechanism 15, disconnecting plate 25 is equipped on circuit breaker operating mechanism 15, one side of fuse 9 is fixedly connected with support 7, push plate 8 corresponding with stylus 6 is rotatably installed on support 7, when fuse 9 is fused, stylus 6 will pop out one end of push plate 8, push plate 8 rotates, the top of push plate 8 pushes one side of driving plate 11, makes linkage shaft 12 rotate, linkage shaft 12 drives L-shaped plate 13 to rotate, L-shaped plate 13 makes lower connecting plate 5 move downward, lower connecting plate 5 pulls upper connecting plate 16 to move downward, upper connecting plate 16 makes A-shaped plate 18 rotate, A-shaped plate 18 rotates and makes trip plate 21 move, trip plate 21 makes disconnecting plate 25 act through bending part 14, in turn lets circuit breaker 27 open, one side of gas tank 2 is fixedly connected with two support plates 10, linkage shaft 12 is rotatably installed between two support plates 10, driving plate 11 is equipped on one side of linkage shaft 12 and matched with push plate 8, L-shaped plate 13 is fixedly connected on one side of linkage shaft 12, one end of L-shaped plate 13 is hinged with lower connecting plate 5, the top of lower connecting plate 5 is hinged with upper connecting plate 16, fixed plate 17 is installed on circuit breaker operating mechanism 15, A-shaped plate 18 is rotatably installed on one side of fixed plate 17, first waist-shaped hole 19 is formed in one end of A-shaped plate 18, the top of upper connecting plate 16 is hinged with first waist-shaped hole 19, so that when upper connecting plate 16 moves downward, upper connecting plate 16 will drive A-shaped plate 18 to rotate, due to the existence of first waist-shaped hole 19, upper connecting plate 16 and A-shaped plate 18 will not interfere with each other, trip plate 21 for driving disconnecting plate 25 to move is slidably installed on circuit breaker operating mechanism 15, second waist-shaped hole 20 is formed in trip plate 21, the other end of A-shaped plate 18 is hinged with second waist-shaped hole 20, when A-shaped plate 18 rotates, it will drive trip plate 21 to move, due to the setting of second waist-shaped hole 20, A-shaped plate 18 and trip plate 21 will not interfere with each other.

[0022] Wherein, one end of the tripping plate 21 is provided with a bending part 14, when the tripping plate 21 moves, the tripping plate 21 drives the opening plate 25 to act through the bending part 14, and then the circuit breaker 27 is opened, and one side of the bending part 14 is in contact with the opening plate 25.

[0023] Wherein, the circuit breaker operating mechanism 15 is provided with a limiting column 24 and a limiting rod 22, the limiting column 24 and the limiting rod 22 are used for limiting the tripping plate 21, so that the tripping plate 21 can only move along the third waist-shaped hole 23, and the middle part of the tripping plate 21 is provided with the third waist-shaped hole 23, and the limiting rod 22 is located in the third waist-shaped hole 23.

[0024] Wherein, one side of the lower connecting plate 5 is fixedly connected with an indicating plate 4, the indicating plate 4 is provided with two different colors, when the fuse 9 is fused, the indicating plate 4 moves together with the lower connecting plate 5, and the color of the indicating plate 4 can be observed through the indicating hole 3, so that whether the fuse 9 is fused can be known, and the outside of the cabinet 1 is provided with the indicating hole 3 corresponding to the indicating plate 4.

[0025] Specifically, when the fuse 9 is fused, the ejector pin 6 pops out and pushes the bottom of the push plate 8, the push plate 8 rotates counterclockwise, the top of the push plate 8 pushes the bottom of the driving plate 11, so that the linkage shaft 12 rotates clockwise, the linkage shaft 12 drives the L-shaped plate 13 to rotate clockwise, the L-shaped plate 13 pulls down the lower connecting plate 5, the lower connecting plate 5 moves downward, the lower connecting plate 5 drives the upper connecting plate 16 to move downward, the upper connecting plate 16 drives the A-shaped plate 18 to rotate, the A-shaped plate 18 rotates around the tip as the center, the tripping plate 21 moves, the tripping plate 21 drives the opening plate 25 to act through the bending part 14, and then the circuit breaker 27 is opened, so that the circuit is disconnected.

[0026] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one of the features.

[0028] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0029] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An environmental protection cabinet with a fuse, comprising a cabinet body (1), a gas tank (2) is installed on the cabinet body (1), the inside of the gas tank (2) is sequentially provided with a circuit breaker (27), a disconnector (28), a fuse (9) and a grounding switch (26) from top to bottom, one end of the fuse (9) extends to the outside of the gas tank (2), a thimble (6) is arranged on the fuse (9), a circuit breaker operating mechanism (15) is arranged on the outside of the gas tank (2), a disconnecting plate (25) is arranged on the circuit breaker operating mechanism (15), characterized in that: One side of the fuse (9) is fixedly connected with a support (7), a push plate (8) corresponding to the thimble (6) is rotatably installed on the support (7), two supporting plates (10) are symmetrically fixedly connected on one side of the gas tank (2), a linkage shaft (12) is rotatably installed between the two supporting plates (10), a driving plate (11) matched with the push plate (8) is arranged on one side of the linkage shaft (12), an L-shaped plate (13) is fixedly connected on one side of the linkage shaft (12), a lower connecting plate (5) is hingedly connected to one end of the L-shaped plate (13), an upper connecting plate (16) is hingedly connected to the top of the lower connecting plate (5), a fixed plate (17) is installed on the circuit breaker operating mechanism (15), an A-shaped plate (18) is rotatably installed on one side of the fixed plate (17), a first waist-shaped hole (19) is formed in one end of the A-shaped plate (18), the top of the upper connecting plate (16) is hingedly connected with the first waist-shaped hole (19), a trip plate (21) for pushing the opening plate (25) to move is slidably installed on the circuit breaker operating mechanism (15), a second waist-shaped hole (20) is formed in the trip plate (21), the other end of the A-shaped plate (18) is hingedly connected with the second waist-shaped hole (20).

2. The environmentally friendly switchgear with a fuse according to claim 1, characterized in that: One end of the trip plate (21) is provided with a curved portion (14), and one side of the curved portion (14) is in contact with the opening plate (25).

3. The environmentally friendly switchgear with a fuse according to claim 1, characterized in that: The circuit breaker operating mechanism (15) is provided with a limiting column (24) and a limiting rod (22), a third waist-shaped hole (23) is formed in the middle of the trip plate (21), and the limiting rod (22) is located in the inside of the third waist-shaped hole (23).

4. The environmentally friendly panel with fuse according to claim 1, characterized in that: One side of the lower connecting plate (5) is fixedly connected with an indicating plate (4), and an indicating hole (3) corresponding to the indicating plate (4) is formed in the outside of the cabinet (1).

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