Pole-mounted circuit breaker

Abstract

The utility model discloses a pole-mounted circuit breaker, which comprises a circuit breaker body, a mounting mechanism and a voltage transformer, and is characterized in that the mounting mechanism is arranged on the circuit breaker body, and the voltage transformer is arranged on the mounting mechanism; wherein the mounting mechanism comprises an adjustable support, a mounting base and a positioning guide rail, the adjustable support is arranged on the circuit breaker body, the mounting base is arranged on the adjustable support, the positioning guide rail is fixedly mounted on the mounting base, and the voltage transformer is arranged on the positioning guide rail. According to the pole-mounted circuit breaker, the voltage transformer can be mounted on the circuit breaker body through the adjustable mounting mechanism, so that the pole-mounted circuit breaker is convenient to adapt to voltage transformers with different sizes, and the mounting convenience of the pole-mounted circuit breaker is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power engineering, specifically relates to a pole-mounted circuit breaker. BACKGROUND

[0002] 10kV outdoor vacuum pole-mounted circuit breaker is a primary equipment for high-voltage power system, can only perform the operation of opening and closing, and cannot distinguish the line fault, so the fault discrimination needs to be carried out through the feeder automation terminal, and the feeder automation terminal operation needs the working power supply to keep its operation reliability, so the electromagnetic power supply voltage transformer needs to be configured for power supply, and the installation mode of the electromagnetic power supply voltage transformer is relatively cumbersome.

[0003] At present, it is installed separately through the installation support or welded with four M12 studs on the circuit breaker shell, and then fixed by using the bolt in the later installation support type, and the fixed rigidity installation cannot adapt to different models and sizes of power supply voltage transformers. UTILITY MODEL CONTENTS

[0004] In order to solve the technical problems existing in the prior art, the application provides a pole-mounted circuit breaker.

[0005] In order to achieve the above purpose, the technical scheme adopted by the application is as follows: a pole-mounted circuit breaker, comprising: a circuit breaker body, a mounting mechanism and a voltage transformer, the mounting mechanism is arranged on the circuit breaker body, and the voltage transformer is arranged on the mounting mechanism; wherein the mounting mechanism comprises an adjustable support, a mounting base and a positioning guide rail, the adjustable support is arranged on the circuit breaker body, the mounting base is arranged on the adjustable support, the positioning guide rail is fixedly installed on the mounting base, and the voltage transformer is arranged on the positioning guide rail.

[0006] In some embodiments of the utility model, the adjustable support comprises a guide sliding cylinder and an adjusting rod, the guide sliding cylinder is arranged on the circuit breaker body, the adjusting rod is slidingly arranged in the guide sliding cylinder, and the mounting base is arranged at one end of the adjusting rod located outside the guide sliding cylinder.

[0007] In some embodiments of the utility model, the internal contour of the guide sliding cylinder is a rectangular structure, and the external contour of the adjusting rod is adapted to the rectangular structure.

[0008] In some embodiments of the utility model, the guide sliding cylinder and the adjusting rod are connected through a limiting screw, a strip-shaped groove is formed on the side of the guide sliding cylinder away from the circuit breaker body, the strip-shaped groove is formed in the same direction as the length direction of the guide sliding cylinder, a first screw hole is formed on the adjusting rod, the limiting screw is sequentially inserted into the strip-shaped groove and the first screw hole, and the limiting screw abuts against the side of the guide sliding cylinder away from the circuit breaker body.

[0009] In some embodiments of the present invention, the positioning rail and the voltage transformer are connected via a snap-fit ​​connection. The snap-fit ​​connection is snap-fitted to the positioning rail, and the voltage transformer is disposed on the snap-fit ​​connection.

[0010] In some embodiments of the present invention, the above-mentioned installation mechanism is made of PT stainless steel.

[0011] Beneficial effects:

[0012] The utility model provides a pole-mounted circuit breaker, comprising: a circuit breaker body, a mounting mechanism and a voltage transformer, wherein the mounting mechanism is arranged on the circuit breaker body, and the voltage transformer is arranged on the mounting mechanism; wherein the mounting mechanism comprises an adjustable bracket, a mounting base and a positioning rail, the adjustable bracket is arranged on the circuit breaker body, the mounting base is arranged on the adjustable bracket, the positioning rail is fixedly mounted on the mounting base, and the voltage transformer is arranged on the positioning rail. The above-mentioned circuit breaker body is used to open and close the load current, overload current and short-circuit current in the power system. These functions ensure the normal operation of the power system and prevent faults caused by abnormal current. The above-mentioned voltage transformer is used to supply power to the feeder automation terminal equipment for distinguishing power system line faults. The above-mentioned mounting mechanism is used to fix the above-mentioned voltage transformer on the circuit breaker body, and power is supplied to the feeder automation terminal through the voltage transformer, which can effectively monitor and distinguish power system line faults and improve the safety of circuit operation.

[0013] Therefore, the pole-mounted circuit breaker can install the voltage transformer on the circuit breaker body through an adjustable mounting mechanism, which is convenient for adapting to voltage transformers of different sizes and improves the convenience of its installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative labor.

[0015] Figure 1 This is a schematic structural diagram of an embodiment of the present application;

[0016] Figure 2 This is a schematic diagram of the installation mechanism structure of an embodiment of the present application;

[0017] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0018] In the figure: 1-circuit breaker body; 2-voltage transformer; 3-adjustable bracket; 301-guide slide; 302-adjusting rod; 4-mounting base; 5-positioning guide rail; 6-limiting screw; 7-strip groove; 8-clip. DETAILED DESCRIPTION

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without making any creative efforts shall fall within the scope of protection of the present application.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0022] In the description of this application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it cannot be understood as a limitation on this application. In addition, if the terms "first", "second", etc. appear in the description of this application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] Furthermore, the use of terms such as "horizontal" and "vertical" in the description of this application does not necessarily imply that a component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical" and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0024] It should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. A person of ordinary skill in the art will understand the specific meanings of the above terms in this application based on the specific circumstances. Example

[0025] Please refer to Figures 1-3 This embodiment provides a pole-mounted circuit breaker, comprising: a circuit breaker body 1, a mounting mechanism, and a voltage transformer 2. The mounting mechanism is arranged on the circuit breaker body 1, and the voltage transformer 2 is arranged on the mounting mechanism; wherein the mounting mechanism includes an adjustable bracket 3, a mounting base 4, and a positioning guide rail 5. The adjustable bracket 3 is arranged on the circuit breaker body 1, the mounting base 4 is arranged on the adjustable bracket 3, the positioning guide rail 5 is fixedly mounted on the mounting base 4, and the voltage transformer 2 is arranged on the positioning guide rail 5.

[0026] It should be noted that the circuit breaker body 1 is used to interrupt and close load current, overload current, and short-circuit current in the power system. These functions ensure the normal operation of the power system and prevent failures caused by abnormal current flow. The voltage transformer 2 is used to supply power to the feeder automation terminal equipment that detects power system line faults. The mounting mechanism is used to secure the voltage transformer 2 to the circuit breaker body 1. Power is supplied to the feeder automation terminal through the voltage transformer 2, effectively monitoring and identifying power system line faults and improving circuit operation safety.

[0027] Specifically, the adjustable bracket 3 can adjust the installation spacing according to different types of voltage transformers 2, thereby facilitating voltage conversion and direct use of electrical appliances. The mounting base 4 is used to install the positioning rail 5, which is used to install the voltage transformer 2.

[0028] Please refer to Figures 1-3 In some implementations of this embodiment, the above-mentioned adjustable bracket 3 includes a guide slide 301 and an adjusting rod 302, the guide slide 301 is set on the circuit breaker body 1, the adjusting rod 302 is slidably set in the guide slide 301, and the mounting base 4 is set at one end of the adjusting rod 302 located outside the guide slide 301.

[0029] In this embodiment, the adjustable bracket 3 is assembled and disassembled via a guide slide 301 and an adjustment rod 302, facilitating installation, storage, and transportation. Specifically, the guide slide 301 guides and supports the sliding movement of the adjustment rod 302, thereby allowing the extended length of the adjustment rod 302 to be adjusted according to the size and type of voltage transformer 2, thereby increasing the adaptability of the mounting mechanism.

[0030] Please refer to Figures 1-3 In some implementations of this embodiment, the inner contour of the guide slide 301 is a rectangular structure, and the outer contour of the adjustment rod 302 is adapted to the rectangular structure.

[0031] In this embodiment, the rectangular structure is used to position and guide the guide slide 301, which can effectively ensure the horizontal position of the mounting base 4 and facilitate leveling installation.

[0032] Please refer to Figure 3 In some implementations of this embodiment, the guide slide 301 and the adjustment rod 302 are connected by a limit screw 6. A strip groove 7 is provided on the side of the guide slide 301 away from the circuit breaker body 1. The opening direction of the strip groove 7 is the same as the length direction of the guide slide 301. A first screw hole is provided on the adjustment rod 302. The limit screw 6 extends into the strip groove 7 and the first screw hole in sequence, and the limit screw 6 abuts against the side of the guide slide 301 away from the circuit breaker body 1.

[0033] In this embodiment, the limit screw 6 is used to lock the adjustment rod 302 within the guide slide 301, fixing the position of the adjustment rod 302 and preventing it from sliding freely during use. The strip groove 7 is used to support the sliding of the limit screw 6, and the length of the strip groove 7 is adjustable. During use, the adjustment rod 302 is fixed by twisting the limit screw 6 into the first threaded hole until the head of the limit screw 6 abuts the guide slide 301. Otherwise, the limit screw 6 is loosened to pull the adjustment rod 302 to adjust the installation distance, thereby adapting to different models of voltage transformers 2.

[0034] Please refer to Figures 1-3 In some implementations of this embodiment, the positioning rail 5 and the voltage transformer 2 are connected via a buckle 8 , the buckle 8 is snapped onto the positioning rail 5 , and the voltage transformer 2 is disposed on the buckle 8 .

[0035] In this embodiment, the clip 8 is used to quickly install the voltage transformer 2 and facilitates the lateral adjustment of the voltage transformer 2 on the positioning rail 5 to adjust the corresponding electrical connection between the voltage transformer 2 and the circuit breaker body 1, thereby improving the convenience of connection. In addition, it also facilitates disassembly, assembly, and replacement.

[0036] Please refer toFigure 1 In some implementations of this embodiment, the above-mentioned installation mechanism is made of PT stainless steel material.

[0037] In this embodiment, the mounting mechanism is made of PT stainless steel. PT stainless steel, due to its unique alloy composition and manufacturing process, possesses excellent physical and chemical properties. Specifically, its excellent content and ratio of alloying elements effectively enhance its corrosion resistance, high strength and toughness, and high and low temperature resistance.

[0038] During use, extend the adjusting rod 302 into the guide slide 301, pass the limit screw 6 through the strip groove 7 and the first screw in sequence, keep the adjusting rod 302 and the guide slide 301 able to slide against each other, fix the positioning guide rail 5 on the mounting base 4 with screws, install the buckle 8 on the voltage transformer 2, adjust the buckle 8 to make the position of the voltage transformer 2 correspond to the circuit breaker body 1, electrically connect the voltage transformer 2 and the conductive column of the circuit breaker body 1 through the connecting plate, and then tighten the limit screw 6.

[0039] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A pole mounted circuit breaker, characterized in that: include: A circuit breaker body (1), a mounting mechanism, and a voltage transformer (2), wherein the mounting mechanism is arranged on the circuit breaker body (1), and the voltage transformer (2) is arranged on the mounting mechanism; The mounting mechanism comprises an adjustable bracket (3), a mounting base (4) and a positioning rail (5); the adjustable bracket (3) is arranged on the circuit breaker body (1); the mounting base (4) is arranged on the adjustable bracket (3); the positioning rail (5) is fixedly mounted on the mounting base (4); and the voltage transformer (2) is arranged on the positioning rail (5).

2. The pole mounted circuit breaker according to claim 1, wherein: The adjustable bracket (3) comprises a guide slide (301) and an adjustment rod (302), wherein the guide slide (301) is arranged on the circuit breaker body (1), the adjustment rod (302) is slidably arranged in the guide slide (301), and the mounting base (4) is arranged at one end of the adjustment rod (302) located outside the guide slide (301).

3. The pole mounted circuit breaker according to claim 2, characterized in that The inner contour of the guide slide (301) is a rectangular structure, and the outer contour of the adjustment rod (302) is adapted to the rectangular structure.

4. The pole mounted circuit breaker according to claim 3, characterized in that The guide slide (301) and the adjustment rod (302) are connected by a limit screw (6); a strip groove (7) is provided on a side of the guide slide (301) away from the circuit breaker body (1); the opening direction of the strip groove (7) is the same as the length direction of the guide slide (301); a first screw hole is provided on the adjustment rod (302); the limit screw (6) extends into the strip groove (7) and the first screw hole in sequence, and the limit screw (6) abuts against the side of the guide slide (301) away from the circuit breaker body (1).

5. The pole mounted circuit breaker according to claim 1, wherein: The positioning guide rail (5) and the voltage transformer (2) are connected via a buckle (8), the buckle (8) is clamped on the positioning guide rail (5), and the voltage transformer (2) is arranged on the buckle (8).

6. The pole mounted circuit breaker according to claim 1, wherein: The installation mechanism is made of PT stainless steel.

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