High-low voltage cabinet body with anti-condensation function

Abstract

The application relates to the technical field of high-low voltage cabinets, in particular to a high-low voltage cabinet body with anti-condensation function, which comprises a high-low voltage cabinet body, cable lines, a plugging mechanism and a butt joint mechanism, the high-low voltage cabinet body is of a double-layer structure, a through hole is formed in one side of the high-low voltage cabinet body, the cable lines are arranged in the through hole of the high-low voltage cabinet body, the plugging mechanism is arranged on the side wall of the high-low voltage cabinet body and is arranged in one-to-one correspondence with the through hole of the high-low voltage cabinet body, and the butt joint mechanism is arranged on the plugging ring; through the arrangement of the plugging mechanism and the butt joint mechanism, the cable lines can be quickly positioned through the positioning ring in the butt joint mechanism after being butt jointed with the high-low voltage cabinet body, the through hole of the high-low voltage cabinet body can be plugged through the arrangement of the sealing rubber sleeve, and meanwhile, the sealing rubber sleeve can be closely attached to the cable lines through the arrangement of the plugging mechanism, so that moisture cannot enter the high-low voltage cabinet body from the gap between the cable lines and the sealing rubber sleeve.

Description

Technical Field

[0001] This application relates to the technical field of high and low voltage switchgear, and in particular to a high and low voltage switchgear cabinet with anti-condensation function. Background Technology

[0002] High and low voltage switchgear are power distribution equipment used in power supply systems for power distribution, control, metering, and cable connection. Generally, power supply bureaus and substations use high voltage switchgear, which is then stepped down by transformers to the low voltage side and led out to low voltage switchgear. The low voltage switchgear then leads to various power distribution panels, control boxes, and switch boxes. Inside, there are power distribution devices that integrate switches, circuit breakers, fuses, buttons, indicator lights, meters, wires, and other protective devices to achieve the designed functional requirements.

[0003] Currently, high and low voltage switchgear can be installed indoors or outdoors. Outdoor high and low voltage switchgear, being exposed to the outdoors, is easily affected by the external climate. For example, weather with large temperature differences, humid weather, and maritime climate can easily cause condensation inside the switchgear, which can lead to serious consequences such as malfunction or burnout of electrical components and tripping of switching equipment.

[0004] In related technologies, to avoid condensation inside high and low voltage switchgear, a double-layer structure is generally set inside the switchgear, with insulation material filled in the interlayer to ensure the internal temperature of the high and low voltage switchgear. However, since the electrical equipment inside the switchgear needs to be connected to cables, and the cable holes cannot be sealed, the switchgear temperature is lower than expected, and moisture enters the switchgear. In addition, since the dew point temperature is not a fixed value, the high and low voltage switchgear still has the risk of condensation as the ambient temperature changes. Summary of the Invention

[0005] To address the problem that moisture can easily enter the interior of high and low voltage switchgear due to the inability to seal cable holes, leading to condensation inside the switchgear, this application provides a high and low voltage switchgear with anti-condensation function.

[0006] The high and low voltage switch cabinet with anti-condensation function provided in this application adopts the following technical solution:

[0007] A high- and low-voltage switchgear cabinet with anti-condensation function, comprising:

[0008] The high and low voltage switch cabinet has a double-layer structure and a through hole is provided on one side of the high and low voltage switch cabinet. Cables are inserted into the through hole of the high and low voltage switch cabinet.

[0009] A sealing mechanism is used to seal the through holes of the high and low voltage switch cabinet. The sealing mechanism is set on the side wall of the high and low voltage switch cabinet and is set one-to-one with the through holes of the high and low voltage switch cabinet. The sealing mechanism includes a sealing ring, a limiting ring and an abutment plate. The sealing ring is fixed on the outer wall of the high and low voltage switch cabinet and is located on the same axis as the through holes of the high and low voltage switch cabinet. The sealing ring has an installation cavity inside. The limiting ring is coaxially fixed in the installation cavity of the sealing ring and has a sliding groove. The abutment plate is slidably engaged in the sliding groove of the limiting ring.

[0010] A docking mechanism for docking the cable is provided on the sealing ring and includes a support ring, a support plate, a positioning ring, a connecting plate, and a sealing sleeve. The support ring is coaxially fixed on the sealing ring on the side away from the high and low voltage switchgear. One end of the support plate is fixed on the positioning ring, and the other end is rotatably connected to the support ring. The connecting plate is connected to the positioning ring, and the sealing sleeve is fixed on the connecting plate. The sealing sleeve passes through the sealing ring and is partially located in the internal cavity of the high and low voltage switchgear.

[0011] By adopting the above technical solution, and utilizing the sealing and docking mechanisms, the cable can be quickly positioned by the positioning ring in the docking mechanism after docking with the high and low voltage switchgear. The sealing sleeve blocks the through-holes of the high and low voltage switchgear. Simultaneously, the sealing mechanism utilizes the sliding of the abutment plate within the limiting ring, causing one end of the abutment plate to contact the sealing sleeve, resulting in partial deformation of the sealing sleeve and ensuring tight adhesion between the sealing sleeve and the cable. This prevents moisture from entering the high and low voltage switchgear through the gap between the cable and the sealing sleeve. Simultaneously, the sealing sleeve seals the inner wall of the through-holes of the high and low voltage switchgear, preventing moisture from entering the switchgear through the gap between the sealing sleeve and the through-holes. This effectively seals and blocks the through-holes of the high and low voltage switchgear, preventing moisture from entering the switchgear and thus effectively preventing condensation. This method is simple, efficient, and practical.

[0012] Meanwhile, by utilizing the adjustable connection structure between the support ring and the positioning ring in the docking mechanism, the cable can be locked at an appropriate angle, which also facilitates the rapid installation of the cable and effectively improves the work efficiency of cable installation.

[0013] Optionally, the sealing mechanism further includes a linkage ring, a driven plate, a linkage groove, and a locking block. The linkage ring is rotatably connected in the mounting cavity of the sealing ring and is located on one side of the limiting ring. The linkage groove is disposed on the linkage ring. The driven plate is fixed to one end of the abutment plate. The locking block is fixed to the driven plate and is slidably engaged in the linkage groove.

[0014] By adopting the above technical solution, the rotation of the linkage ring allows the locking block to slide in the linkage groove, which in turn drives the abutment plate to slide through the driven plate, and then the abutment plate squeezes the sealing sleeve, so that the sealing sleeve can be tightly attached to the cable.

[0015] Optionally, the sealing mechanism further includes a docking plate, a pawl, and a ratchet. The docking plate is fixed on the outer wall of the linkage ring, the pawl is rotatably connected to one end of the docking plate away from the linkage ring, and the ratchet is disposed on the outer wall of the sealing ring, with one end of the pawl slidingly abutting against the ratchet.

[0016] By adopting the above technical solution, the ratchet teeth limit the pawl, thereby achieving the limiting and locking effect on the linkage ring, so that the abutment plate can be firmly abutted against the sealing sleeve.

[0017] Optionally, a leaf spring is fixed to one end of the mating plate near the pawl, and the leaf spring portion slides against the pawl.

[0018] By adopting the above technical solution, the spring force of the leaf spring is used to push the pawl, thus preventing the pawl from separating from the ratchet teeth.

[0019] Optionally, the docking mechanism further includes a first adjusting frame, a second adjusting frame, an adjusting cylinder, and an adjusting screw. The first adjusting frame is fixed on the outer wall of the positioning ring, the second adjusting frame is fixed on the outer wall of the supporting ring, and two adjusting cylinders are provided. The two adjusting cylinders are respectively rotatably connected to the ends of the first adjusting frame and the second adjusting frame that are close to each other. A screw hole is provided through the center of the adjusting cylinder, and the adjusting screw is threadedly engaged with the screw hole of the adjusting cylinder.

[0020] By adopting the above technical solution, the distance between the first and second adjusting frames is adjusted by rotating the adjusting screw, thereby achieving rapid adjustment of the positioning ring angle.

[0021] Optionally, the adjusting screw is symmetrically provided with two sets of threads, and the two sets of threads are arranged in opposite directions.

[0022] By adopting the above technical solution and utilizing the reverse thread, the two adjusting cylinders can be linked in opposite directions when the adjusting screw rotates.

[0023] Optionally, an adjusting turntable is coaxially fixed at the center of the adjusting screw.

[0024] By adopting the above technical solution, the adjusting screw can be rotated quickly using the adjusting turntable.

[0025] Optionally, screws are provided at the edge of the connecting plate, and the connecting plate is detachably connected to the positioning ring by the screws.

[0026] By adopting the above technical solution and utilizing the detachable connection structure, the sealing sleeve can be quickly replaced after it is damaged or aged.

[0027] Optionally, the linkage groove has an arc-shaped structure, and several linkage grooves are equidistant from the abutment plate and its connecting structure, and several abutment plates are combined to form a circular structure.

[0028] By adopting the above technical solution, multiple abutment plates are used to make the outer wall of the sealing sleeve evenly squeezed, thereby enabling the sealing sleeve to seal against the cable.

[0029] Optionally, the high and low voltage switch cabinet is equipped with various sensors and communication devices, and adopts more advanced electrical components and circuit designs, as well as new types of circuit breakers and switches.

[0030] By adopting the above technical solutions and utilizing intelligent technology, parameters such as current, voltage, and temperature can be monitored in real time and data analysis can be performed, thereby effectively improving the management efficiency and reliability of the power system, enhancing electrical performance and power load capacity, and reducing the risk of electric shock. On the other hand, it realizes safety functions such as multi-level protection and automatic power outage, enabling timely response and handling of power system faults.

[0031] In summary, this application includes at least one of the following beneficial technical effects:

[0032] 1. By utilizing the sealing and docking mechanisms, the cable can be quickly positioned by the positioning ring in the docking mechanism after docking with the high and low voltage switchgear. The sealing sleeve can block the through holes of the high and low voltage switchgear. Simultaneously, the sealing mechanism utilizes the sliding of the abutment plate within the limiting ring to abut against the sealing sleeve, causing partial deformation of the sealing sleeve and ensuring a tight fit between the sealing sleeve and the cable. This prevents moisture from entering the high and low voltage switchgear through the gap between the cable and the sealing sleeve. At the same time, the sealing sleeve seals the inner wall of the through holes of the high and low voltage switchgear, preventing moisture from entering the high and low voltage switchgear through the gap between the sealing sleeve and the through holes. This effectively seals and blocks the through holes of the high and low voltage switchgear, effectively preventing moisture from entering the high and low voltage switchgear and thus effectively preventing condensation. It is simple, efficient, and practical.

[0033] 2. By utilizing the adjustable connection structure between the support ring and the positioning ring in the docking mechanism, the cable can be locked at an appropriate angle, which also facilitates the rapid installation of the cable and effectively improves the work efficiency of cable installation.

[0034] 3. By utilizing intelligent technology, parameters such as current, voltage, and temperature can be monitored in real time and data analysis can be performed, thereby effectively improving the management efficiency and reliability of the power system, enhancing electrical performance and power load capacity, and reducing the risk of electric shock. On the other hand, it realizes safety functions such as multi-level protection and automatic power-off, and responds and handles power system faults in a timely manner. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the external structure of a high and low voltage switch cabinet with anti-condensation function in this embodiment.

[0036] Figure 2 This is a schematic diagram of the cable and its overall connection structure in this embodiment.

[0037] Figure 3 This is a schematic diagram of the docking mechanism in this embodiment.

[0038] Figure 4 This is a schematic diagram of the sealing ring and its connection structure in this embodiment.

[0039] Figure 5 This is a schematic diagram of the sealing mechanism in this embodiment.

[0040] Figure 6 This is a schematic diagram of the linkage ring connection structure in this embodiment.

[0041] Explanation of reference numerals in the attached figures:

[0042] 1. High and low voltage switch cabinet; 2. Cable; 3. Sealing mechanism; 31. Sealing ring; 32. Limiting ring; 33. Abutment plate; 34. Linkage ring; 35. Driven plate; 36. Linkage groove; 37. Locking block; 38. Connecting plate; 39. Pawl; 310. Ratchet; 311. Leaf spring; 4. Connecting mechanism; 41. Support ring; 42. Support plate; 43. Positioning ring; 44. Connecting plate; 45. Sealing sleeve; 46. First adjusting frame; 47. Second adjusting frame; 48. Adjusting cylinder; 49. Adjusting screw; 410. Adjusting turntable. Detailed Implementation

[0043] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0044] This application discloses a high and low voltage switch cabinet with anti-condensation function.

[0045] It should be noted that, in the description of this invention, the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0046] Reference Figure 1 and Figure 2A high- and low-voltage switchgear cabinet with anti-condensation function includes a high- and low-voltage switchgear cabinet 1, a cable 2, a sealing mechanism 3, and a docking mechanism 4. The high- and low-voltage switchgear cabinet 1 has a double-layer structure and a through hole on one side. The cable 2 passes through the through hole of the high- and low-voltage switchgear cabinet 1. The sealing mechanism 3, used to seal the through hole of the high- and low-voltage switchgear cabinet 1, is set on the side wall of the high- and low-voltage switchgear cabinet 1 and is set one-to-one with the through hole of the high- and low-voltage switchgear cabinet 1. The docking mechanism 4 is set on the sealing ring 31. With the setting of the sealing mechanism 3 and the docking mechanism 4, after the cable 2 is docked with the high- and low-voltage switchgear cabinet 1, the positioning ring 43 in the docking mechanism 4 can quickly position the cable 2, and the sealing sleeve 45 can prevent the high- and low-voltage switchgear cabinet 1 from being blocked. The hole can be blocked, and simultaneously, by utilizing the sealing mechanism 3, the sliding of the abutment plate 33 within the limiting ring 32 causes one end of the abutment plate 33 to abut against the sealing sleeve 45, causing partial deformation of the sealing sleeve 45. This allows the sealing sleeve 45 to adhere tightly to the cable 2, preventing moisture from entering the high and low voltage switch cabinet 1 through the gap between the cable 2 and the sealing sleeve 45. At the same time, the sealing sleeve 45 seals the inner wall of the through hole of the high and low voltage switch cabinet 1, preventing moisture from entering the high and low voltage switch cabinet 1 through the gap between the sealing sleeve 45 and the through hole. This effectively seals and blocks the through hole of the high and low voltage switch cabinet 1, effectively preventing moisture from entering the high and low voltage switch cabinet 1 and thus effectively preventing condensation. It is simple, efficient, and practical.

[0047] Specifically, in this embodiment of the application, the sealing mechanism 3 includes a sealing ring 31, a limiting ring 32, an abutment plate 33, a linkage ring 34, a driven plate 35, a linkage groove 36, and a locking block 37. The rotation of the linkage ring 34 allows the locking block 37 to slide within the linkage groove 36, which in turn drives the abutment plate 33 to slide through the driven plate 35. The abutment plate 33 then compresses the sealing sleeve 45, allowing the sealing sleeve 45 to adhere tightly to the cable 2.

[0048] The sealing ring 31 is fixed on the outer wall of the high and low voltage switch cabinet 1 and is located on the same axis as the through hole of the high and low voltage switch cabinet 1. The sealing ring 31 has an installation cavity inside. The limiting ring 32 is coaxially fixed in the installation cavity of the sealing ring 31 and has a sliding groove. The abutment plate 33 is slidably engaged in the sliding groove of the limiting ring 32. The linkage ring 34 is rotatably connected in the installation cavity of the sealing ring 31 and is located on one side of the limiting ring 32. The linkage groove 36 is provided on the linkage ring 34. The driven plate 35 is fixed to one end of the abutment plate 33. The locking block 37 is fixed to the driven plate 35 and is slidably engaged in the linkage groove 36.

[0049] Reference Figure 3 and Figure 4Specifically, in this embodiment, the docking mechanism 4 includes a support ring 41, a support plate 42, a positioning ring 43, a connecting plate 44, a sealing sleeve 45, a first adjusting frame 46, a second adjusting frame 47, an adjusting cylinder 48, and an adjusting screw 49. By utilizing the angle-adjustable connection structure between the support ring 41 and the positioning ring 43 in the docking mechanism 4, the cable 2 can be locked at an appropriate angle, which also facilitates the rapid installation of the cable 2 and effectively improves the work efficiency of installing the cable 2.

[0050] Specifically, the supporting ring 41 is coaxially fixed on the sealing ring 31 on the side away from the high and low voltage switch cabinet 1. One end of the support plate 42 is fixed on the positioning ring 43, and the other end is rotatably connected to the supporting ring 41. The connecting plate 44 is connected to the positioning ring 43. The sealing sleeve 45 is fixed on the connecting plate 44 and passes through the sealing ring 31, and is partially located in the internal cavity of the high and low voltage switch cabinet 1. The first adjusting frame 46 is fixed on the outer wall of the positioning ring 43, and the second adjusting frame 47 is fixed on the outer wall of the supporting ring 41. There are two adjusting cylinders 48, and the two adjusting cylinders 48 are respectively rotatably connected to the ends of the first adjusting frame 46 and the second adjusting frame 47 that are close to each other. A screw hole is provided through the center of the adjusting cylinder 48, and the adjusting screw 49 is threadedly engaged with the screw hole of the adjusting cylinder 48.

[0051] Reference Figure 5 and Figure 6 In this embodiment of the application, the sealing mechanism 3 further includes a docking plate 38, a pawl 39, a ratchet 310, and a leaf spring 311. The spring force of the leaf spring 311 pushes the pawl 39 to prevent the pawl 39 from separating from the ratchet 310, and the ratchet 310 limits the pawl 39, thereby achieving the limiting and locking effect on the linkage ring 34, so that the abutment plate 33 can firmly abut against the sealing sleeve 45.

[0052] In this embodiment, the docking plate 38 is fixed on the outer wall of the linkage ring 34, the pawl 39 is rotatably connected to the end of the docking plate 38 away from the linkage ring 34, the ratchet 310 is disposed on the outer wall of the sealing ring 31, and one end of the pawl 39 slides against the ratchet 310. A leaf spring 311 is fixed on the end of the docking plate 38 near the pawl 39, and part of the leaf spring 311 slides against the pawl 39.

[0053] In this embodiment, the adjusting screw 49 is symmetrically provided with two sets of threads, and the two sets of threads are arranged in opposite directions. An adjusting turntable 410 is coaxially fixed at the center of the adjusting screw 49. By using the reverse threads, the two adjusting cylinders 48 can be linked in opposite directions when the adjusting screw 49 is rotated, and the adjusting turntable 410 can make the adjusting screw 49 rotate quickly.

[0054] The edge of the connecting plate 44 is provided with screws, and the connecting plate 44 is detachably connected to the positioning ring 43 by the screws. The detachable connection structure allows the sealing sleeve 45 to be quickly replaced after damage or aging.

[0055] Specifically, the linkage groove 36 has an arc-shaped structure. Several linkage grooves 36 and abutment plates 33 and their connecting structures are equidistantly arranged, and several abutment plates 33 are combined to form a circular structure. Multiple abutment plates 33 are used to make the outer wall of the sealing sleeve 45 be evenly squeezed, so that the sealing sleeve 45 can seal and abut against the cable 2.

[0056] In this embodiment, the high and low voltage switch cabinet 1 is equipped with various sensors and communication devices, and adopts more advanced electrical components and circuit designs. It also uses new types of circuit breakers and switches, and utilizes intelligent technology to monitor parameters such as current, voltage, and temperature in real time and perform data analysis. This effectively improves the management efficiency and reliability of the power system, enhances electrical performance and power load capacity, and reduces the risk of electric shock. On the other hand, it realizes safety functions such as multi-level protection and automatic power-off, and responds and handles power system faults in a timely manner.

[0057] The implementation principle of a high and low voltage switch cabinet with anti-condensation function in this application embodiment is as follows: First, adjust the angle of the positioning ring 43 according to the actual situation. During adjustment, the adjusting screw 49 is rotated by the adjusting turntable 410. At this time, the two adjusting cylinders 48 are linked by threads. Then, the positioning ring 43 is rotated by the first adjusting frame 46 and the second adjusting frame 47 to make it at an appropriate angle. Then, the cable 2 is connected to the positioning ring 43 and the cable 2 is passed through the sealing sleeve 45 so that one end of the cable 2 is inside the high and low voltage switch cabinet 1. Then, the linkage ring 34 is rotated by the connecting plate 38. At this time, the locking block 37 is linked in the linkage groove 36 and the abutment plate 33 is slid by the driven plate 35 until the abutment plate 33 abuts against the sealing sleeve 45, so that the sealing sleeve 45 is tightly attached to the cable 2.

[0058] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A high and low voltage switch cabinet with anti-condensation function, characterized in that, include: High and low voltage switch cabinet (1), the high and low voltage switch cabinet (1) has a double-layer structure, and a through hole is provided on one side of the high and low voltage switch cabinet (1), and a cable (2) is inserted in the through hole of the high and low voltage switch cabinet (1). A sealing mechanism (3) is used to seal the through holes of the high and low voltage switch cabinet (1). The sealing mechanism (3) is set on the side wall of the high and low voltage switch cabinet (1) and is set one-to-one with the through holes of the high and low voltage switch cabinet (1). The sealing mechanism (3) includes a sealing ring (31), a limiting ring (32) and an abutment plate (33). The sealing ring (31) is fixed on the outer wall of the high and low voltage switch cabinet (1) and is located on the same axis as the through holes of the high and low voltage switch cabinet (1). The sealing ring (31) has an installation cavity inside. The limiting ring (32) is coaxially fixed in the installation cavity of the sealing ring (31) and has a sliding groove on the limiting ring (32). The abutment plate (33) is slidably engaged in the sliding groove of the limiting ring (32). A docking mechanism (4) is used to dock the cable (2). The docking mechanism (4) is set on the sealing ring (31). The docking mechanism (4) includes a support ring (41), a support plate (42), a positioning ring (43), a connecting plate (44), and a sealing sleeve (45). The support ring (41) is coaxially fixed on the sealing ring (31) on the side away from the high and low voltage cabinet (1). One end of the support plate (42) is fixed on the positioning ring (43), and the other end is rotatably connected to the support ring (41). The connecting plate (44) is connected to the positioning ring (43). The sealing sleeve (45) is fixed on the connecting plate (44), and the sealing sleeve (45) passes through the sealing ring (31) and is partially located in the internal cavity of the high and low voltage cabinet (1).

2. The high and low voltage switch cabinet with anti-condensation function according to claim 1, characterized in that, The sealing mechanism (3) further includes a linkage ring (34), a driven plate (35), a linkage groove (36), and a locking block (37). The linkage ring (34) is rotatably connected to the mounting cavity of the sealing ring (31) and is located on one side of the limiting ring (32). The linkage groove (36) is disposed on the linkage ring (34). The driven plate (35) is fixed to one end of the abutment plate (33). The locking block (37) is fixed on the driven plate (35) and slides into the linkage groove (36).

3. A high and low voltage switch cabinet with anti-condensation function according to claim 2, characterized in that, The sealing mechanism (3) further includes a docking plate (38), a pawl (39), and a ratchet (310). The docking plate (38) is fixed on the outer wall of the linkage ring (34). The pawl (39) is rotatably connected to one end of the docking plate (38) away from the linkage ring (34). The ratchet (310) is disposed on the outer wall of the sealing ring (31), and one end of the pawl (39) slides against the ratchet (310).

4. A high and low voltage switch cabinet with anti-condensation function according to claim 3, characterized in that, A leaf spring (311) is fixed to one end of the docking plate (38) near the pawl (39), and the leaf spring (311) partially slides against the pawl (39).

5. A high and low voltage switch cabinet with anti-condensation function according to claim 1, characterized in that, The docking mechanism (4) further includes a first adjusting frame (46), a second adjusting frame (47), an adjusting cylinder (48), and an adjusting screw (49). The first adjusting frame (46) is fixed on the outer wall of the positioning ring (43), and the second adjusting frame (47) is fixed on the outer wall of the supporting ring (41). There are two adjusting cylinders (48), and the two adjusting cylinders (48) are rotatably connected to the ends of the first adjusting frame (46) and the second adjusting frame (47) that are close to each other. A screw hole is provided through the center of the adjusting cylinder (48), and the adjusting screw (49) is threadedly engaged with the screw hole of the adjusting cylinder (48).

6. A high and low voltage switch cabinet with anti-condensation function according to claim 5, characterized in that, The adjusting screw (49) is symmetrically provided with two sets of threads, and the two sets of threads are arranged in opposite directions.

7. A high and low voltage switch cabinet with anti-condensation function according to claim 5, characterized in that, An adjusting turntable (410) is coaxially fixed at the center of the adjusting screw (49).

8. A high and low voltage switch cabinet with anti-condensation function according to claim 1, characterized in that, The connecting plate (44) is provided with screws at its edge, and the connecting plate (44) is detachably connected to the positioning ring (43) by the screws.

9. A high and low voltage switch cabinet with anti-condensation function according to claim 2, characterized in that, The linkage groove (36) has an arc-shaped structure. Several linkage grooves (36) and abutment plates (33) and their connecting structures are equidistantly arranged, and several abutment plates (33) together form a circular structure.

Images