A vacuum circuit breaker protection structure

Abstract

The utility model discloses a kind of vacuum circuit breaker protection structures, belong to vacuum circuit breaker protection field, including protective shell, the side of protective shell is provided with hole, the inside of hole is inserted with cable, the outer surface of cable one end is clamped with vacuum interrupter, the upper surface of protective shell is fixedly connected with ventilation mechanism, the side of protective shell bottom is fixedly connected with opening and closing mechanism, opening and closing mechanism includes support plate, the side of support plate is fixedly connected to the side of protective shell;Through the cooperation between above each device, through the opening and closing mechanism of being set, when the inside of protective shell needs ventilation, utilize the bottom air outlet plate ventilation, the opening and closing of ventilation can be controlled in combination with opening and closing mechanism, by controlling bottom ventilation, equipment internal temperature can be effectively regulated, ensure the safe operation under high load and high temperature environment, the control of bottom ventilation can prevent dust and moisture from entering equipment interior to some extent, help to maintain the cleanliness and dryness of equipment.

Description

Technical Field

[0001] This utility model relates to the field of vacuum circuit breaker protection technology, specifically a vacuum circuit breaker protection structure. Background Technology

[0002] Vacuum circuit breakers are important electrical protection devices widely used in high-voltage equipment. The protective structure of vacuum circuit breakers is designed to ensure the safety and reliability of the equipment in various working environments. A reasonable design can effectively extend the service life of the equipment and reduce the frequency of maintenance and repair.

[0003] An investigation revealed that a Chinese utility model patent (publication number: CN213025926 U) discloses a safety protection structure for a vacuum circuit breaker. The structure includes a fixed base, an operation panel fixedly mounted on the upper surface of the fixed base near its left end, and a vacuum interrupter located to the right of the operation panel. A cable is connected to the right end of the vacuum interrupter. An insulating shell is provided on the upper surface of the fixed base, and several support rods made of plastic material are fixedly mounted on the lower end of the fixed base. The lower ends of the support rods are fixed to a base. A conduit is located on the right side of the insulating shell where the cable passes through, and a plug is provided at the right end of the conduit. An air inlet mechanism is provided on the front end of the insulating shell. The support rods at the lower end of the fixed base provide suspended support and insulation isolation between the fixed base and the base. The insulating shell provides good insulation protection for the vacuum circuit breaker, thus enhancing its safety protection function.

[0004] While the aforementioned patent achieves good insulation protection for the vacuum circuit breaker through the use of support rods and insulating shells, the support rods at the lower end of the fixed base provide suspended support and insulation isolation between the fixed base and the base, and the insulating shells provide insulation protection for the vacuum circuit breaker, thus providing better safety protection, the vacuum circuit breaker relies on the vacuum environment for insulation performance. Poor sealing may allow air or moisture to enter, reducing insulation quality and increasing the risk of leakage and breakdown. During use, it is necessary to determine whether the internal sealing or ventilation state of the protective structure is appropriate, and both should be used alternately.

[0005] Therefore, this utility model provides a vacuum circuit breaker protection structure to solve the above problems. Utility Model Content

[0006] This invention provides a protective structure for a vacuum circuit breaker, aiming to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a vacuum circuit breaker protection structure, including a protective shell, a hole on one side of the protective shell, a cable inserted into the hole, a vacuum interrupter chamber snapped onto the outer surface of one end of the cable, a ventilation mechanism fixedly connected to the upper surface of the protective shell, and an opening and closing mechanism fixedly connected to one side of the bottom of the protective shell.

[0008] The opening and closing mechanism includes a support plate, one side of which is fixedly connected to one side of the protective shell. A drive motor is fixedly connected to the upper surface of the support plate. A gear is splined to the output end of the drive motor. A gear rack meshes with the outer surface of the gear. A sealing plate is fixedly connected to one side of the gear rack. A sliding groove is provided on the upper surface of both the gear rack and the sealing plate. A slider is slidably connected inside the sliding groove. Sealing strips are fixedly connected to both sides of the sealing plate.

[0009] As a preferred technical solution of this application, the ventilation mechanism includes a blower, the outer surface of which is fixedly connected to the upper surface of the protective shell.

[0010] As a preferred technical solution of this application, a ventilation plate is fixedly connected to one end of the blower, and an air outlet is provided on the surface of the ventilation plate.

[0011] As a preferred technical solution of this application, an air outlet plate is fixedly connected to the bottom of the protective shell, and a groove is formed on the surface of the air outlet plate, and heat dissipation fins are fixedly connected inside the groove.

[0012] As a preferred technical solution of this application, an arc-shaped plate is fixedly connected to the interface between the protective shell and the cable, and a drain plate is fixedly connected to both ends of the arc-shaped plate.

[0013] As a preferred technical solution of this application, both sides of the protective shell are slidably connected to a protective plate by a sliding block, and a B-groove is opened inside the protective plate, and an insulation plate is slidably connected inside the B-groove.

[0014] 1. With the opening and closing mechanism, ventilation is provided inside the protective shell when ventilation is required. The bottom air outlet is used for ventilation. The opening and closing mechanism can control the opening and closing of the ventilation. By controlling the bottom ventilation, the internal temperature of the equipment can be effectively regulated to ensure safe operation under high load and high temperature environment. The control of bottom ventilation can prevent dust and moisture from entering the equipment to a certain extent, which helps to maintain the cleanliness and dryness of the equipment.

[0015] 2. By setting up a ventilation mechanism, ventilation is set at the bottom of the protective shell. Combined with the ventilation mechanism, it can exhaust the internal humid air or heat. Bottom ventilation can provide effective air circulation, help dissipate heat, reduce the temperature of the equipment during operation, thereby preventing overheating and ensuring normal operation. During circuit breaker operation, arc gas and other harmful gases may be generated. Bottom ventilation helps to quickly exhaust these gases and reduce their impact on equipment performance. Attached Figure Description

[0016] Figure 1 A schematic diagram of a vacuum circuit breaker protection structure;

[0017] Figure 2 This is a schematic diagram of the vacuum interrupter chamber in a vacuum circuit breaker protection structure.

[0018] Figure 3 A schematic diagram of the ventilation plate in a vacuum circuit breaker protection structure;

[0019] Figure 4 This is a schematic diagram of the drain plate in the protection structure of a vacuum circuit breaker.

[0020] Figure 5 This is a schematic diagram of a gear rack in a vacuum circuit breaker protection structure.

[0021] Figure 6 This is a schematic diagram of the protective plate in a vacuum circuit breaker protection structure.

[0022] In the picture:

[0023] 1. Protective shell; 2. Cable; 3. Vacuum interrupter; 4. Support plate; 5. Drive motor; 6. Gear; 7. Gear rack; 8. Sealing plate; 9. Slider; 10. Sealing strip; 11. Blower; 12. Ventilation plate; 13. Air outlet plate; 14. Curved plate; 15. Drainage plate; 16. Protective plate; 17. Insulation plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides a protective structure for a vacuum circuit breaker, such as... Figures 1-6As shown, the vacuum circuit breaker protection structure includes a protective shell 1, a hole on one side of the protective shell 1, a cable 2 inserted into the hole, a vacuum interrupter 3 snapped onto the outer surface of one end of the cable 2, a ventilation mechanism fixedly connected to the upper surface of the protective shell 1, and an opening and closing mechanism fixedly connected to one side of the bottom of the protective shell 1.

[0026] The opening and closing mechanism includes a support plate 4, one side of which is fixedly connected to one side of the protective shell 1. A drive motor 5 is fixedly connected to the upper surface of the support plate 4. A gear 6 is splinedly connected to the output end of the drive motor 5. A gear rack 7 meshes with the outer surface of the gear 6. A sealing plate 8 is fixedly connected to one side of the gear rack 7. Slide grooves are provided on the upper surfaces of both the gear rack 7 and the sealing plate 8. A slider 9 is slidably connected inside the slide grooves. Sealing strips 10 are fixedly connected to both sides of the sealing plate 8. When ventilation is required inside the protective shell 1, ventilation is achieved through the bottom air outlet plate 13. The opening and closing mechanism can control the opening and closing of the ventilation. By controlling the bottom ventilation, the internal temperature of the equipment can be effectively regulated to ensure safe operation under high load and high temperature environments. The control of the bottom ventilation can, to a certain extent, prevent dust and moisture from entering the equipment, which helps to maintain the cleanliness and dryness of the equipment.

[0027] The ventilation system includes a blower 11, the outer surface of which is fixedly connected to the upper surface of the protective housing 1. Ventilation is provided at the bottom of the protective housing 1. Combined with the ventilation system, it can exhaust internal humid air or heat. Bottom ventilation can provide effective air circulation, help dissipate heat, and reduce the temperature of the equipment during operation, thereby preventing overheating and ensuring normal operation. During circuit breaker operation, arc gas and other harmful gases may be generated. Bottom ventilation helps to quickly exhaust these gases and reduce their impact on equipment performance.

[0028] One end of the blower 11 is fixedly connected to a ventilation plate 12, and the surface of the ventilation plate 12 is provided with air outlet holes.

[0029] An air outlet plate 13 is fixedly connected to the bottom of the protective shell 1. A groove is provided on the surface of the air outlet plate 13, and heat dissipation fins are fixedly connected inside the groove. The heat inside the protective shell 1 can be dissipated from the air outlet plate 13 through the air outlet plate 13.

[0030] An arc-shaped plate 14 is fixedly connected to the interface between the protective shell 1 and the cable 2. Both ends of the arc-shaped plate 14 are fixedly connected to the drainage plate 15. When there is water outside, water is prevented from being introduced into the protective shell 1 from the interface between the cable 2 and the protective shell 1, thus avoiding affecting the vacuum interrupter 3. The arc-shaped plate 14 and the drainage plate 15 outside the cable 2 can work together to drain the water to the ground, preventing water from entering the protective shell 1.

[0031] Both sides of the protective shell 1 are slidably connected to the protective plate 16 via sliding blocks. The protective plate 16 has a B-groove inside, and the insulation plate 17 is slidably connected inside the B-groove. The protective plate 16 and the insulation plate 17 on the outside of the protective shell 1 can maintain a moderate internal temperature, which is more suitable for the working environment of the vacuum interrupter 3.

[0032] Specifically, when cable 2 is inserted into the vacuum interrupter 3 and ventilation of the protective shell 1 is required, drive motor 5 is started. When drive motor 5 rotates, it drives gear 6 to rotate. Gear 6 drives gear rack 7 to move. Gear rack 7 drives sealing plate 8 to move, exposing air outlet plate 13. Blower 11 is started, and blower 11 ventilates from the ventilation plate 12 inside the protective shell 1, dissipating the heat inside the protective shell 1 from the air outlet plate 13. After ventilation is completed, drive motor 5 is started to seal the air outlet plate 13 through sealing plate 8, keeping the inside of the protective shell 1 sealed. When there is water outside, water is prevented from being introduced into the protective shell 1 from the interface between cable 2 and protective shell 1, which would affect the vacuum interrupter 3. The arc plate 14 and drainage plate 15 outside cable 2 can be used to drain water to the ground, preventing water from entering the protective shell 1. Subsequently, the protective plate 16 and insulation plate 17 outside the protective shell 1 can be used to maintain a moderate temperature inside the protective shell 1, which is more suitable for the working environment of the vacuum interrupter 3.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A vacuum circuit breaker protection structure comprising a protection casing (1), characterized in that: The protective shell (1) has a hole on one side, a cable (2) is inserted into the hole, a vacuum interrupter (3) is snapped onto the outer surface of one end of the cable (2), a ventilation mechanism is fixedly connected to the upper surface of the protective shell (1), and an opening and closing mechanism is fixedly connected to one side of the bottom of the protective shell (1). The opening and closing mechanism includes a support plate (4), one side of which is fixedly connected to one side of the protective shell (1). A drive motor (5) is fixedly connected to the upper surface of the support plate (4). A gear (6) is splined to the output end of the drive motor (5). A gear rack (7) meshes with the outer surface of the gear (6). A sealing plate (8) is fixedly connected to one side of the gear rack (7). A sliding groove is provided on the upper surface of both the gear rack (7) and the sealing plate (8). A slider (9) is slidably connected inside the sliding groove. Sealing strips (10) are fixedly connected to both sides of the sealing plate (8).

2. The vacuum circuit breaker protection structure according to claim 1, characterized in that: The ventilation mechanism includes a blower (11), the outer surface of which is fixedly connected to the upper surface of the protective shell (1).

3. The vacuum circuit breaker protection structure according to claim 2, wherein: One end of the blower (11) is fixedly connected to a ventilation plate (12), and the surface of the ventilation plate (12) is provided with an air outlet.

4. The vacuum circuit breaker protection structure according to claim 1, wherein: The bottom of the protective shell (1) is fixedly connected to an air outlet plate (13), and the surface of the air outlet plate (13) is provided with a groove, and heat dissipation fins are fixedly connected inside the groove.

5. The vacuum interrupter protective structure according to claim 1, wherein: An arc-shaped plate (14) is fixedly connected at the interface between the protective shell (1) and the cable (2), and a drain plate (15) is fixedly connected at both ends of the arc-shaped plate (14).

6. The vacuum circuit breaker protection structure according to claim 1, wherein: Both sides of the protective shell (1) are slidably connected to a protective plate (16) via a sliding block. The protective plate (16) has a B-groove inside, and an insulation plate (17) is slidably connected inside the B-groove.

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