Primary and secondary deep fusion intelligent pole-mounted circuit breaker comprehensive protection device

Abstract

The utility model belongs to the technical field of circuit breaker protection, particularly relates to a primary and secondary deep fusion intelligent pole-mounted circuit breaker comprehensive protection device, and provides the following scheme aiming at the problems that a circuit breaker protection device in the prior art is relatively complex in structure, cannot be quickly assembled and is weak in heat dissipation capability. A plurality of circuit breaker bodies are arranged at the top of the bottom plate, a protective cover is installed at the top of the bottom plate, the circuit breaker bodies are all located in the protective cover, a semiconductor refrigerator is embedded in the top of the protective cover, and a rectangular shell is installed on the inner wall of the top of the protective cover. According to the utility model, the structure is simple, elastic force is provided for the trapezoidal block through the elastic metal rod, so that the trapezoidal block enters the rectangular hole, the protective cover can be fixed, the assembly is convenient, a plurality of circuit breaker main bodies are uniformly cooled, the refrigeration surface of the semiconductor refrigerator is used for refrigerating and cooling air in the rectangular shell, and the cooling effect on the circuit breaker main bodies is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breaker protection, and in particular to an intelligent pole-mounted circuit breaker comprehensive protection device with primary and secondary circuits deeply integrated. Background Art

[0002] The primary and secondary deep integration intelligent pole-mounted circuit breaker is a circuit breaker device with intelligent detection and automatic control. Compared with the previous split circuit breakers, it has a high degree of integration, integrating the current sensor, voltage sensor and circuit breaker body together, simplifying the structural size. In order to protect the circuit breaker, a protective device is generally added to it in the prior art. Publication (Announcement) No.: CN219144056U discloses a primary and secondary deep integration intelligent pole-mounted circuit breaker comprehensive protection device, including a circuit breaker body assembly, the circuit breaker body assembly includes a control box, and the circuit breaker body is evenly arranged at the upper end of the control box. A control handle is provided at the front end of the circuit breaker body, and a protection box assembly is provided on the upper end cover of the circuit breaker body and the control box, wherein the protection box assembly includes a protection box body of a box structure, and a bottom support plate is horizontally provided at the upper end of the control box and in the middle of the protection box body; the protection box assembly is an integral structure, which is simple to manufacture and has a low processing cost. It can be quickly plugged and positioned through the guide block and the guide groove, and is easy to install; the protection box assembly forms an annular wrapping protection for the circuit breaker body assembly, and continuously cools the circuit breaker body through the fans I and II, thereby improving the heat dissipation capacity of the entire device for the circuit breaker body assembly.

[0003] The circuit breaker protection device in the prior art has a relatively complex structure, cannot be assembled quickly, and has a weak heat dissipation capability. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the circuit breaker protection device in the prior art, such as complex structure, inability to assemble quickly, and weak heat dissipation capacity, and to propose a primary and secondary deep fusion intelligent pole-mounted circuit breaker comprehensive protection device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An intelligent pole-mounted circuit breaker integrated protection device with deep integration of primary and secondary systems comprises a base plate, a plurality of circuit breaker bodies are arranged on the top of the base plate, a protective cover is installed on the top of the base plate, the plurality of circuit breaker bodies are all located in the protective cover, a semiconductor refrigerator is embedded in the top of the protective cover, a rectangular shell is installed on the top inner wall of the protective cover, the cooling surface of the semiconductor refrigerator is located in the rectangular shell, a fan is arranged in the rectangular shell, both sides of the rectangular shell are connected with air inlet pipes, the outer ends of the two air inlet pipes are extended to the outside and are bent, and the bottom of the rectangular shell is connected with an air blowing mechanism.

[0007] Preferably, mounting plates are fixedly mounted on both sides of the base plate, and mounting holes are provided on the mounting plates; the base plate can be mounted through the mounting plates.

[0008] Preferably, a notch is provided on the front of the protective cover, and wire connectors are provided on the plurality of circuit breaker bodies, and the wire connectors are matched with the corresponding notches; the wire connectors can be connected to the wires through the notches.

[0009] Preferably, the blowing mechanism includes an air blowing pipe, a plurality of air blowing holes are arranged at the bottom of the air blowing pipe, a pipe is connected to the top of the air blowing pipe, and the pipe is connected to the bottom of the rectangular shell; when the fan works, the outside air is sucked into the rectangular shell through the two air inlet pipes, and then the air flow is sent into the air blowing pipe through the pipe, and then the circuit breaker body is cooled by blowing through the plurality of air blowing holes, so that the plurality of circuit breaker bodies are cooled evenly.

[0010] Preferably, an outer frame and an inner frame are fixedly mounted on the top of the bottom plate, and the bottom edge of the protective cover is located between the outer frame and the inner frame, which is used to position the protective cover.

[0011] Preferably, a plurality of elastic metal rods are fixedly installed on the top of the inner frame, and a trapezoidal block is fixedly installed on each of the plurality of elastic metal rods. A plurality of rectangular holes are opened on the outer side of the protective cover, and the trapezoidal blocks are snap-fitted with the rectangular holes. The elastic metal rods provide elastic force for the trapezoidal blocks, so that the trapezoidal blocks enter the rectangular holes.

[0012] In the utility model, the beneficial effects of the primary and secondary deep fusion intelligent pole mounted circuit breaker comprehensive protection device are:

[0013] In this solution, the protective cover is installed on the top of the bottom plate, and the bottom edge of the protective cover is located between the outer frame and the inner frame. The elastic metal rod provides elastic force for the trapezoidal block, so that the trapezoidal block enters the rectangular hole, and the protective cover can be fixed, which is convenient for assembly;

[0014] The fan of this solution sucks the outside air into the rectangular shell through two air inlet pipes, then sends the airflow into the air blowing pipe through the pipeline, and then blows air to cool the circuit breaker body through multiple air blowing holes, and cools multiple circuit breaker bodies evenly. The cooling surface of the semiconductor refrigerator is used to cool the air inside the rectangular shell, thereby improving the cooling effect on the circuit breaker body.

[0015] The utility model has a simple structure. An elastic metal rod is used to provide elastic force for the trapezoidal block so that the trapezoidal block enters the rectangular hole. The protective cover can be fixed, which is convenient for assembly and can evenly cool multiple circuit breaker bodies. The cooling surface of the semiconductor refrigerator is used to cool the air inside the rectangular shell, thereby improving the cooling effect on the circuit breaker body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a structural schematic diagram of the primary and secondary deep fusion intelligent pole-mounted circuit breaker comprehensive protection device proposed by the utility model;

[0017] Figure 2 The utility model proposed Figure 1 A schematic cross-sectional structure diagram of ;

[0018] Figure 3 This is a schematic diagram of the structure of part A of the primary and secondary deep fusion intelligent pole-mounted circuit breaker comprehensive protection device proposed by the utility model;

[0019] Figure 4 The utility model is a three-dimensional structural schematic diagram of the air blowing pipe and the pipeline.

[0020] In the figure: 1. bottom plate; 2. circuit breaker body; 3. protective cover; 4. semiconductor refrigerator; 5. rectangular shell; 6. fan; 7. pipe; 8. air blow pipe; 9. air blow hole; 10. air inlet pipe; 11. semicircular net; 12. mounting plate; 13. outer frame; 14. inner frame; 15. elastic metal rod; 16. trapezoidal block; 17. rectangular hole; 18. notch. DETAILED DESCRIPTION

[0021] The technical solution in this embodiment will be clearly and completely described below in conjunction with the drawings in this embodiment. Obviously, the described embodiment is only a part of the embodiment, rather than all of the embodiments.

[0022] Embodiment 1

[0023] Reference Figure 1-Figure 4 A primary and secondary deep integration intelligent pole-mounted circuit breaker integrated protection device comprises a base plate 1, a plurality of circuit breaker bodies 2 are arranged on the top of the base plate 1, a protective cover 3 is installed on the top of the base plate 1, the plurality of circuit breaker bodies 2 are all located in the protective cover 3, a semiconductor refrigerator 4 is embedded in the top of the protective cover 3, a rectangular shell 5 is installed on the top inner wall of the protective cover 3, the cooling surface of the semiconductor refrigerator 4 is located in the rectangular shell 5, a fan 6 is arranged in the rectangular shell 5, both sides of the rectangular shell 5 are connected with air inlet pipes 10, the outer ends of the two air inlet pipes 10 are extended to the outside and bent, and the bottom of the rectangular shell 5 is connected with an air blowing mechanism.

[0024] In this embodiment, mounting plates 12 are fixedly mounted on both sides of the bottom plate 1 , and mounting holes are formed on the mounting plates 12 ; the bottom plate 1 can be mounted through the mounting plates 12 .

[0025] In this embodiment, a notch 18 is provided on the front of the protective cover 3 , and a plurality of circuit breaker bodies 2 are provided with wire connectors, which are matched with the corresponding notches 18 ; the wire connectors can be connected to the wires through the notches 18 .

[0026] In this embodiment, the blowing mechanism includes an air blowing pipe 8, a plurality of air blowing holes 9 are arranged at the bottom of the air blowing pipe 8, a pipe 7 is connected to the top of the air blowing pipe 8, and the pipe 7 is connected to the bottom of the rectangular shell 5; the fan 6 sucks the outside air into the rectangular shell 5 through two air inlet pipes 10, and then sends the air flow into the air blowing pipe 8 through the pipe 7, and then blows air to cool the circuit breaker body 2 through the plurality of air blowing holes 9, so that the plurality of circuit breaker bodies 2 are evenly cooled.

[0027] In this embodiment, an outer frame 13 and an inner frame 14 are fixedly mounted on the top of the bottom plate 1 , and the bottom edge of the protective cover 3 is located between the outer frame 13 and the inner frame 14 , which are used to position the protective cover 3 .

[0028] In this embodiment, a plurality of elastic metal rods 15 are fixedly installed on the top of the inner frame 14, and a trapezoidal block 16 is fixedly installed on each of the plurality of elastic metal rods 15. A plurality of rectangular holes 17 are opened on the outer side of the protective cover 3, and the trapezoidal blocks 16 are snap-fitted with the rectangular holes 17. The elastic metal rods 15 provide elastic force for the trapezoidal blocks 16, so that the trapezoidal blocks 16 enter the rectangular holes 17.

[0029] Working principle: When in use, the power supply and PLC controller can be turned on to control the electrical appliances. The prior art will not be described in detail here. The protective cover 3 is installed on the top of the base plate 1, and the bottom edge of the protective cover 3 is located between the outer frame 13 and the inner frame 14. The elastic metal rod 15 provides elastic force for the trapezoidal block 16, so that the trapezoidal block 16 enters the rectangular hole 17, and the protective cover 3 can be fixed, which is convenient for assembly. When the circuit breaker body 2 is in use, the fan 6 works to suck the outside air into the rectangular shell 5 through the two air inlet pipes 10, and then the air flow is sent into the blowing pipe 8 through the pipeline 7, and then the circuit breaker body 2 is blown and cooled through the multiple blowing holes 9, and the multiple circuit breaker bodies 2 are evenly cooled. The cooling surface of the semiconductor refrigerator 4 is used to cool the air inside the rectangular shell 5, thereby improving the cooling effect on the circuit breaker body 2.

[0030] Embodiment 2

[0031] The difference between the second embodiment and the first embodiment is that the heating surface of the semiconductor refrigerator 4 is located outside the protective cover 3 , a semicircular net 11 is fixedly mounted on the top of the protective cover 3 , and the semiconductor refrigerator 4 is located inside the semicircular net 11 .

[0032] The semicircular net 11 is used to protect the heating surface of the semiconductor refrigerator 4 and will not affect the heat dissipation of the heat dissipation surface of the semiconductor refrigerator 4. The present application includes all the structural shapes, sizes and materials of Example 1. In order to meet the specific usage conditions, they can be selected and adjusted. The accompanying drawings are all schematic structural diagrams, and the specific actual sizes can be appropriately adjusted.

[0033] The above is only a preferred specific implementation of this embodiment, but the protection scope of this embodiment is not limited to this. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of this embodiment within the technical scope disclosed in this embodiment, which should be covered by the protection scope of this embodiment.

Claims

1. A primary and secondary integrated intelligent pole mounted circuit breaker integrated protection device, comprising a base plate (1), a plurality of circuit breaker bodies (2) are arranged on the top of the base plate (1), characterized in that: A protective cover (3) is installed on the top of the base plate (1), a plurality of circuit breaker bodies (2) are located inside the protective cover (3), a semiconductor cooler (4) is embedded in the top of the protective cover (3), a rectangular shell (5) is installed on the inner wall of the top of the protective cover (3), a cooling surface of the semiconductor cooler (4) is located inside the rectangular shell (5), a fan (6) is arranged inside the rectangular shell (5), both sides of the rectangular shell (5) are connected to air inlet pipes (10), the outer ends of the two air inlet pipes (10) are extended to the outside and are bent, and the bottom of the rectangular shell (5) is connected to an air blowing mechanism.

2. The primary and secondary deep fusion intelligent pole mounted circuit breaker comprehensive protection device according to claim 1 is characterized in that: A notch (18) is provided on the front of the protective cover (3), and a plurality of circuit breaker bodies (2) are provided with wire connectors, which are matched with the corresponding notches (18).

3. The primary and secondary deep integration intelligent pole mounted circuit breaker comprehensive protection device according to claim 1 is characterized in that: The blowing mechanism comprises an air blowing pipe (8), a plurality of air blowing holes (9) are arranged at the bottom of the air blowing pipe (8), a pipe (7) is connected to the top of the air blowing pipe (8), and the pipe (7) is connected to the bottom of the rectangular shell (5).

4. The primary and secondary deep fusion intelligent pole mounted circuit breaker comprehensive protection device according to claim 1 is characterized in that: An outer frame (13) and an inner frame (14) are fixedly mounted on the top of the base plate (1), and the bottom edge of the protective cover (3) is located between the outer frame (13) and the inner frame (14).

5. The primary and secondary deep integration intelligent pole mounted circuit breaker comprehensive protection device according to claim 4 is characterized in that: A plurality of elastic metal rods (15) are fixedly mounted on the top of the inner frame (14), a trapezoidal block (16) is fixedly mounted on each of the plurality of elastic metal rods (15), a plurality of rectangular holes (17) are opened on the outer side of the protective cover (3), and the trapezoidal blocks (16) are snap-fitted with the rectangular holes (17).

6. The primary and secondary deep fusion intelligent pole mounted circuit breaker comprehensive protection device according to claim 1 is characterized in that: Mounting plates (12) are fixedly mounted on both sides of the bottom plate (1), and mounting holes are provided on the mounting plates (12).

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