A contactless opening and closing primary and secondary fusion column mounted circuit breaker

Abstract

The utility model discloses a contactless opening and closing primary and secondary fusion pole-mounted circuit breaker, which relates to the technical field of high-voltage switchgear for power production. The utility model includes an equipment body, a plurality of fixed blocks are fixedly provided on the top and one side of the equipment body, a wiring terminal is fixedly provided on one side of the fixed block, and a mounting assembly is sleeved on the outer side of the fixed block and the wiring terminal; the mounting assembly includes a mounting plate arranged on one side of the fixed block, and the outer wall sliding sleeve of the mounting plate is provided with two symmetrically arranged protective shells, the fixed block is located in the two protective shells, a rectangular groove is penetrated on one side of the mounting plate, and a protective cover is fixedly provided on the side of the mounting plate away from the fixed block. In the utility model, people can quickly install and disassemble the lead wires, the operation is simple and convenient, and the operator's time and energy are saved, and the protective shell and the wiring terminal can be stably positioned to ensure the stability of the overall structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-voltage switchgear for electric power production, in particular to a contactless opening and closing primary and secondary fusion column mounted circuit breaker. Background Art

[0002] The contactless opening and closing primary and secondary fusion pole-mounted circuit breaker is a manifestation of the deep fusion circuit breaker technology. It combines the contactless opening and closing technology with the fusion technology of primary and secondary equipment to form the latest product of the distribution automation pole-mounted switch set. This circuit breaker is widely used in the distribution network of the power system to control and protect the power lines and ensure the safe and stable operation of the power system.

[0003] In the prior art, the device and the lead wires are usually fixed by using terminal blocks and bolts, and then covered with an insulating sheath. However, the device needs to be connected to multiple lead wires, and installation and removal are time-consuming, labor-intensive, and inconvenient.

[0004] For this purpose, we proposed a contactless opening and closing primary and secondary fusion pole-mounted circuit breaker. Utility Model Content

[0005] The utility model aims to solve the problems in the prior art that the equipment and the lead wires are usually fixed by means of terminal blocks and bolts and then covered with insulating sheaths, but the equipment needs to be connected with a plurality of lead wires, the installation and disassembly is time-consuming and labor-intensive, and relatively inconvenient, and proposes a contactless opening and closing primary and secondary fusion pole-mounted circuit breaker.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A contactless opening and closing primary and secondary fusion pole-mounted circuit breaker, comprising:

[0008] The device body has a plurality of fixed blocks fixed on the top and one side of the device body, a wiring terminal fixed on one side of the fixed block, and a mounting assembly sleeved on the outer sides of the fixed block and the wiring terminal;

[0009] The mounting assembly comprises a mounting plate arranged on one side of the fixed block, the outer wall sliding sleeve of the mounting plate is provided with two symmetrically arranged protective shells, the fixed block is located in the two protective shells, a rectangular groove is penetrated through one side of the mounting plate, a protective cover is fixedly provided on the side of the mounting plate away from the fixed block, a circular mounting groove and a Z-shaped connecting groove are provided on the inner side of the protective cover, the connecting groove is respectively connected with the mounting groove and the rectangular groove, and the wiring terminal is located in the rectangular groove and the connecting groove;

[0010] Two first positioning mechanisms, which are respectively arranged on the inner sides of the two protective shells and are used to position the protective shells;

[0011] The second positioning mechanism is arranged on one side of the protective sleeve and is used to position the connection terminal.

[0012] In a possible design, the first positioning mechanism includes a rectangular block, two first positioning rods and two second positioning grooves. The rectangular block is fixed on one side of the mounting plate. A tension spring is fixed between the rectangular block and the protective shell. The two first positioning rods are fixed on an inner wall of one side of the protective shell. The two second positioning grooves are both opened on one side of the fixed block, and one end of the first positioning rod is located in the second positioning groove.

[0013] In a possible design, the second positioning mechanism includes a groove and two externally threaded sleeves. The groove is opened on the outer wall of the protective sleeve. Two second positioning rods are slidably penetrated through the bottom inner wall of the groove. The bottom ends of the second positioning rods extend into the connecting groove and cooperate with the circular holes on the wiring terminal. The top ends of the two second positioning rods are fixed with the same connecting block. The two externally threaded sleeves are fixed on the outer wall of the protective sleeve. The two externally threaded sleeves are respectively located on both sides of the groove. The outer wall of one of the externally threaded sleeves is threadedly connected to a limiting sleeve, and the limiting sleeve cooperates with the connecting block.

[0014] In a possible design, a spring is fixed between the bottom of the connection block and the bottom inner wall of the groove, and the surface of the connection block is designed to be arc-shaped.

[0015] In a possible design, two clearance grooves are formed at the bottom of the connecting groove, and the clearance grooves match the second positioning rod.

[0016] In a possible design, a first positioning groove is formed on one side of the mounting plate, the first positioning groove is connected to the rectangular groove, and the first positioning groove cooperates with the fixing block.

[0017] In a possible design, anti-sliding blocks are fixedly provided on the surface edge and the bottom edge of the protective shell.

[0018] In the present application, during installation, hold the two protective shells with both hands respectively, separate the two protective shells, and then place the mounting plate on one side of the fixed block, so that the wiring terminals enter the rectangular groove and the connecting groove, so that the first positioning groove and the fixed block are docked, and then the two protective shells are docked, so that the first positioning rod enters the second positioning groove, and under the action of the tension spring, the tension spring pulls the protective shell to stably sleeve on the outside of the fixed block, and then place one end of the lead wire into the mounting groove, so that the wiring terminals on the lead wire enter the connecting groove, so that the wiring terminals on the lead wire and the wiring terminals on the fixed block are docked, and then press the connecting block through the circular hole on the wiring terminal and enter the yield groove, and then rotate the limit sleeve so that the limit sleeve is threadedly connected to the two external threaded sleeves at the same time, so that the connecting block is located on the inner side of the limit sleeve, and under the action of the limit sleeve, the second positioning rod stably positions the wiring terminal, and when disassembling, repeat the above operations in reverse.

[0019] Beneficial effects: In the utility model, the contactless opening and closing primary and secondary fusion pole-mounted circuit breaker can facilitate people to quickly install and disassemble the lead wire through the arrangement of multiple structures such as the protective shell, the protective sleeve and the first positioning rod, and the operation is simple and convenient, saving the operator's time and energy;

[0020] In the utility model, the contactless opening and closing primary and secondary fusion column mounted circuit breaker can stably position the protective shell and the wiring terminal through the arrangement of multiple structures such as the first positioning groove, the first positioning rod and the second positioning rod, thereby ensuring the stability of the overall structure;

[0021] The utility model can facilitate people to quickly install and disassemble the lead wires, the operation is simple and convenient, the operator's time and energy are saved, the protective shell and the wiring terminal can be stably positioned, and the stability of the overall structure is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an embodiment of the utility model;

[0024] Figure 2 It is a schematic diagram of a partial three-dimensional structure of an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of a partial exploded structure of an embodiment of the utility model;

[0026] Figure 4 It is a partial cross-sectional structural schematic diagram of an embodiment of the utility model.

[0027] In the figure: 1. Equipment body; 2. Fixing block; 3. Wiring terminal; 4. Mounting plate; 5. Protective shell; 6. Rectangular groove; 7. First positioning groove; 8. Rectangular block; 9. Tension spring; 10. First positioning rod; 11. Second positioning groove; 12. Anti-sliding block; 13. Protective cover; 14. Connecting groove; 15. Mounting groove; 16. External thread sleeve; 17. Limit sleeve; 18. Second positioning rod; 19. Connecting block; 20. Spring; 21. Make way groove; 22. Groove. DETAILED DESCRIPTION

[0028] 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 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.

[0029] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0031] Example 1: Reference Figure 1-Figure 4 , a circuit breaker, comprising:

[0032] The device body 1, the model of the device body 1 is zw32-12, which is the prior art, so the structure and principle are not repeated. A plurality of fixing blocks 2 are fixedly provided at the top and one side of the device body 1, and the outer wall of the fixing block 2 is coated with an insulating coating, such as rubber, synthetic resin or other materials. A wiring terminal 3 is fixedly provided on one side of the fixing block 2, and these wiring terminals 3 are used to connect with the wiring terminals on the lead wires, and the outer sides of the fixing block 2 and the wiring terminals 3 are sleeved with mounting components;

[0033] The mounting assembly includes a mounting plate 4 arranged on one side of the fixed block 2, the outer wall sliding sleeve of the mounting plate 4 is provided with two symmetrically arranged protective shells 5, the fixed block 2 is located in the two protective shells 5, and is used to provide protection for the fixed block, a rectangular groove 6 is penetrated through one side of the mounting plate 4, a protective cover 13 is fixedly provided on the side of the mounting plate 4 away from the fixed block 2, a circular mounting groove 15 and a Z-shaped connecting groove 14 are provided on the inner side of the protective cover 13, the mounting groove 15 is used to install the lead wire, and the connecting groove 14 is used to facilitate the staggered connection of two wiring terminals, the connecting groove 14 is respectively connected with the mounting groove 15 and the rectangular groove 6, the wiring terminal 3 is located in the rectangular groove 6 and the connecting groove 14, and the mounting plate 4, the protective shell 5, the protective cover 13 and the limit cover 17 and other structures are all made of insulating materials, such as rubber or other materials;

[0034] Two first positioning mechanisms, the two first positioning mechanisms are respectively arranged on the inner sides of the two protective shells 5, and are used to position the protective shells 5. The first positioning mechanism includes a rectangular block 8, two first positioning rods 10 and two second positioning grooves 11. The rectangular block 8 is fixed on one side of the mounting plate 4. A tension spring 9 is fixed between the rectangular block 8 and the protective shell 5. The tension spring 9 can pull the two protective shells 5 closer to each other. The two first positioning rods 10 are both fixed on the inner wall of one side of the protective shell 5. The two second positioning grooves 11 are both opened on one side of the fixed block 2. One end of the first positioning rod 10 is located in the second positioning groove 11. The first positioning rod 10 cooperates with the second positioning groove 11 to position the protective shell 5, so that the protective shell 5 is stably sleeved on the outer side of the fixed block 2;

[0035] The second positioning mechanism is arranged on one side of the protective sleeve 13, and is used to position the wiring terminal 3. The second positioning mechanism includes a groove 22 and two external threaded sleeves 16. The groove 22 is opened on the outer wall of the protective sleeve 13. Two second positioning rods 18 are slidably penetrated through the bottom inner wall of the groove 22. The bottom end of the second positioning rod 18 extends into the connecting groove 14 and cooperates with the circular hole on the wiring terminal 3, so that the wiring terminal can be positioned so that the two wiring terminals can be stably connected. The top ends of the two second positioning rods 18 are fixed with the same connecting block 19. The two external threaded sleeves 16 are fixed on the outer wall of the protective sleeve 13. The two external threaded sleeves 16 are respectively located on both sides of the groove 22. The outer wall of one of the external threaded sleeves 16 is threadedly connected to a limiting sleeve 17. The limiting sleeve 17 cooperates with the connecting block 19. The limiting sleeve 17 can limit the connecting block 19, thereby preventing the second positioning rod 18 from being separated from the wiring terminal.

[0036] The present application can be used in the field of high-voltage switchgear for electric power production, and can also be used in other fields applicable to the present application.

[0037] Embodiment 2: A contactless opening and closing primary and secondary fusion pole-mounted circuit breaker improved on the basis of Embodiment 1, which is applied to the field of high-voltage switchgear for power production;

[0038] In one aspect of the present embodiment, a spring 20 is fixed between the bottom of the connecting block 19 and the bottom inner wall of the groove 22. The surface of the connecting block 19 is set to be arc-shaped. The spring 20 can push the connecting block 19 against the inner wall of the limiting sleeve 17 to prevent the second positioning rod 18 from sliding freely. At the same time, the second positioning rod 18 can be automatically pushed out during disassembly, so that the second positioning rod 18 and the terminal are separated.

[0039] In one aspect of this embodiment, two clearance grooves 21 are formed at the bottom of the connection groove 14. The clearance grooves 21 cooperate with the second positioning rod 18 so that the second positioning rod 18 can completely pass through the terminal block, thereby ensuring the stability of the structural connection.

[0040] In one aspect of the present embodiment, a first positioning groove 7 is provided on one side of the mounting plate 4, the first positioning groove 7 is connected to the rectangular groove 6, and the first positioning groove 7 cooperates with the fixing block 2 to position the fixing block 2, so that the first positioning rod 10 can be stably aligned with the second positioning groove 11.

[0041] In one aspect of this embodiment, the surface edge and the bottom edge of the protective shell 5 are both fixedly provided with anti-sliding blocks 12 , which can facilitate people to slide the protective shell 5 .

[0042] It should be noted that, in the description of this specification, descriptions such as "first", "second", etc. are merely used to distinguish between various features and have no actual order or directional meaning, and this application is not limited to this.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker, characterized in that: include: A device body (1), wherein a plurality of fixing blocks (2) are fixedly provided at the top and one side of the device body (1), a wiring terminal (3) is fixedly provided at one side of the fixing block (2), and a mounting assembly is sleeved on the outer sides of the fixing block (2) and the wiring terminal (3); The mounting assembly comprises a mounting plate (4) arranged on one side of the fixing block (2); the outer wall sliding sleeve of the mounting plate (4) is provided with two symmetrically arranged protective shells (5); the fixing block (2) is located in the two protective shells (5); a rectangular groove (6) is provided through one side of the mounting plate (4); a protective shell (13) is fixedly provided on the side of the mounting plate (4) away from the fixing block (2); a circular mounting groove (15) and a Z-shaped connecting groove (14) are provided on the inner side of the protective shell (13); the connecting groove (14) is respectively connected to the mounting groove (15) and the rectangular groove (6); and the wiring terminal (3) is located in the rectangular groove (6) and the connecting groove (14); Two first positioning mechanisms, the two first positioning mechanisms being respectively arranged on the inner sides of the two protective shells (5) and used for positioning the protective shells (5); A second positioning mechanism, the second positioning mechanism is arranged on one side of the protective sleeve (13) and is used to position the connection terminal (3).

2. A contactless opening and closing primary and secondary fusion column mounted circuit breaker as claimed in claim 1, characterized in that: The first positioning mechanism comprises a rectangular block (8), two first positioning rods (10) and two second positioning grooves (11); the rectangular block (8) is fixedly arranged on one side of the mounting plate (4); a tension spring (9) is fixedly arranged between the rectangular block (8) and the protective shell (5); the two first positioning rods (10) are fixedly arranged on an inner wall of one side of the protective shell (5); the two second positioning grooves (11) are both arranged on one side of the fixed block (2); and one end of the first positioning rod (10) is located in the second positioning groove (11).

3. A contactless opening and closing primary and secondary fusion column mounted circuit breaker as claimed in claim 2, characterized in that: The second positioning mechanism comprises a groove (22) and two externally threaded sleeves (16); the groove (22) is formed on the outer wall of the protective sleeve (13); two second positioning rods (18) are slidably penetrated through the inner wall of the bottom of the groove (22); the bottom ends of the second positioning rods (18) extend into the connecting groove (14) and match with the circular holes on the connecting terminal (3); the top ends of the two second positioning rods (18) are fixed with a same connecting block (19); the two externally threaded sleeves (16) are fixed on the outer wall of the protective sleeve (13); the two externally threaded sleeves (16) are respectively located on both sides of the groove (22); the outer wall of one of the externally threaded sleeves (16) is threadedly connected to a limiting sleeve (17); the limiting sleeve (17) and the connecting block (19) match each other.

4. A contactless opening and closing primary and secondary fusion column mounted circuit breaker as claimed in claim 3, characterized in that: A spring (20) is fixedly arranged between the bottom of the connection block (19) and the bottom inner wall of the groove (22), and the surface of the connection block (19) is designed to be arc-shaped.

5. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker as claimed in claim 4, characterized in that: Two clearance grooves (21) are provided at the bottom of the connecting groove (14), and the clearance grooves (21) cooperate with the second positioning rod (18).

6. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker as claimed in claim 5, characterized in that: A first positioning groove (7) is provided on one side of the mounting plate (4); the first positioning groove (7) is connected to the rectangular groove (6); and the first positioning groove (7) matches the fixing block (2).

7. A contactless opening and closing primary and secondary fusion pole mounted circuit breaker as claimed in claim 6, characterized in that: Anti-sliding blocks (12) are fixedly provided on the surface edge and the bottom edge of the protective shell (5).

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