Anti-condensation ring main unit

By installing an anti-condensation protection device inside the ring main unit and using a desiccant to absorb moisture, the problem of equipment damage caused by the lack of moisture protection in the ring main unit is solved, and an effective moisture-proof effect is achieved.

CN224053658UActive Publication Date: 2026-03-27CHONGQING HENGKAI ELECTRIC GRP CO LTD
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Patent Information

Application Number
CN202520159935.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-03-27
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Traditional ring main units lack moisture protection measures, which can easily damage the internal high-voltage switchgear after prolonged exposure to moisture.

Method used

An anti-condensation protection device is installed inside the ring main unit, including a bottom support plate and a support railing. The opening and closing of the air vents are controlled by the operation of a lever, and a desiccant is used to absorb moisture and prevent condensation from forming.

Benefits of technology

It effectively prevents moisture from condensing inside the ring main unit, protecting high-voltage switchgear and extending its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the cabinet body moisture-proof technical field, and specifically discloses an anti-condensation ring main unit comprising a cabinet body, a separator plate arranged in the cabinet body and an anti-condensation protection device arranged on the separator plate, the anti-condensation protection device comprises a bottom supporting plate attached to the end face of the separator plate and supporting breast boards detachably connected to the two sides of the bottom supporting plate respectively, a first containing cavity is formed in the supporting breast board, a drying agent is placed in the first containing cavity, a shifting groove communicated with the first containing cavity and a plurality of first air holes communicated with the first containing cavity are further formed in the supporting breast board, a shifting block is slidably connected into the shifting groove, and the shifting block is fixedly connected with a first plugging structure capable of uniformly sealing the first air holes. The problems that no moisture-proof protection measures exist in a traditional ring main unit, and internal high-voltage switch equipment is prone to being damaged after the ring main unit is affected with damp for a long time are solved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of cabinet moisture-proofing, and particularly discloses a condensation-preventing ring main unit. BACKGROUND

[0002] The ring main unit is a group of high-voltage switch devices installed in a steel plate metal cabinet or made into a set of spaced ring network power supply units, and is usually composed of a cabinet and a partition plate installed in the cabinet, wherein the high-voltage switch devices are installed in the cabinet cavity separated by the partition plate. The ring main unit has the advantages of simple structure, small size, low price, improved power supply parameters and power supply safety, and is widely used in power distribution stations and box-type substations of load centers such as urban residential areas, high-rise buildings and large public buildings.

[0003] The ring main unit is usually placed outdoors and is not provided with moisture-proof protection measures, and is prone to moisture when placed outdoors. In operation, the ring main unit is easily immersed in moisture, and water droplets are condensed in the high-voltage switch devices and lines installed in the ring main unit, so that water accumulation occurs in the ring main unit.

[0004] Therefore, the inventor provides a condensation-preventing ring main unit to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the problem that the traditional ring main unit is not provided with moisture-proof protection measures and is prone to damage of internal high-voltage switch devices after being subjected to moisture for a long time.

[0006] In order to achieve the above purpose, the basic scheme of the utility model provides a condensation-preventing ring main unit, which comprises a cabinet, a partition plate arranged in the cabinet and a condensation-preventing protection device arranged on the partition plate. The condensation-preventing protection device comprises a bottom support plate attached to the end face of the partition plate and support rail plates which are respectively detachably connected to the two sides of the bottom support plate. A first accommodating chamber is formed in each support rail plate, and a drying agent is arranged in each first accommodating chamber. A push groove and a plurality of first air holes which are in communication with the first accommodating chamber are formed in each support rail plate. A push block is slidably connected in the push groove, and the push block is fixedly connected with a first plugging structure which can uniformly close the first air holes.

[0007] Further, the first plugging structure comprises a first connecting rod fixedly connected with the push block and a plurality of first plugging blocks fixedly connected with the first connecting rod and used for closing the first air holes.

[0008] Further, a plurality of first air holes which are in communication with the first accommodating chamber are formed in the support rail plates on the two sides of the push groove, and the push block is fixedly connected with the first plugging structure on the two sides.

[0009] Further, the support rail plates are attached to the inner walls of the cabinet on the same side.

[0010] Further, the bottom support plate is provided with a second containing chamber communicated with the first containing chamber and a desiccant is arranged in the second containing chamber.

[0011] Further, the second containing chamber is provided with a second plugging structure capable of plugging the second air holes, the second containing chamber is provided with a spring for lifting the second plugging structure, and the inside of the knob is provided with a driving pressing plate for pressing the second plugging structure.

[0012] Further, the second plugging structure comprises a second main connecting rod capable of being lifted by the spring, a second auxiliary connecting rod fixed on both sides of the second main connecting rod, and a plurality of second plugging blocks fixed on both sides of the second auxiliary connecting rod and used for plugging the second air holes, and one end of the second main connecting rod extends into the knob slot and forms a driven pressing plate capable of being pressed by the driving pressing plate.

[0013] The principle and effect of the scheme are that:

[0014] Compared with the prior art, the moisture-proof protection device of the utility model is composed of the bottom support plate and the support column plates on both sides in the cabinet body, the first plugging structure is stripped from the first air hole by the knob, the first air hole is exposed, the air above the partition plate contacts with the desiccant, the desiccant plays a role of preventing condensation, and the first air hole is closed by the first plugging structure when the high-voltage switch device is not placed, the service life of the desiccant is prolonged, and the problem that the internal high-voltage switch device is damaged after being soaked for a long time due to the lack of moisture-proof protection measures in the traditional ring net cabinet is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 A schematic diagram of a condensation-proof ring net cabinet is shown;

[0017] Figure 2 A partial schematic diagram of a condensation-proof ring net cabinet is shown;

[0018] Figure 3 A schematic diagram of a first plugging structure and a second plugging structure of a condensation-proof ring net cabinet is shown. DETAILED DESCRIPTION

[0019] For further illustrating the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model are explained in detail as follows in combination with the drawings and preferred embodiments.

[0020] The reference signs in the drawings of the specification include: cabinet body 1, partition plate 2, support rail plate 3, bottom support plate 4, first plugging block 5, push block 6, second plugging block 7, driving pressure plate 8, driven pressure plate 9, second main connecting rod 10, second auxiliary connecting rod 11, spring 12, drying agent 13.

[0021] A kind of anti-condensation ring main unit, as shown in Figure 1 And Figure 2 It is shown that:

[0022] It includes cabinet body 1, partition plate 2 installed in cabinet body 1 and anti-condensation protection device installed on partition plate 2.The anti-condensation protection device includes bottom support plate 4 installed on each layer of partition plate 2 end face of cabinet body 1 and support rail plate 3 respectively installed on the both sides of bottom support plate 4.Each inside of support rail plate 3 is opened with a clamping groove, and the both sides of bottom support plate 4 are integrally formed with clamping block that can be placed into the clamping groove of the same side, bottom support plate 4 and the both sides of support rail plate 3 completely cover the end face of partition plate 2, and support rail plate 3 respectively fits with the inner wall of the same side of cabinet body 1.

[0023] Each inside of support rail plate 3 is opened with first accommodating chamber, and drying agent 13 is filled in first accommodating chamber.Support rail plate 3 is also opened with push slot and a plurality of first air holes in communication with first accommodating chamber, in this embodiment, a plurality of first air holes in communication with first accommodating chamber are opened on the both sides of support rail plate 3 of push slot, and the both sides of first accommodating chamber are communicated with each other.

[0024] And as shown in Figure 2 The inside of support rail plate 3 is formed with a slope towards the inner cavity of cabinet body 1, and first air hole is opened on the slope, and an angle is formed between the top end of bottom support plate 4.

[0025] As shown in Figure 3 A push block 6 is installed in push slot, and sliding groove is opened on the inner wall of push slot, and sliding block integrally formed on push block 6 can slide in sliding groove.The both sides of push block 6 are also installed with first plugging structure that can uniformly close first air hole, and first plugging structure includes first connecting rod integrally formed on the both sides of push block 6 and a plurality of first plugging blocks 5 integrally formed on the both sides of first connecting rod and used for closing first air hole.

[0026] In this embodiment, second accommodating chamber in communication with first accommodating chamber is also opened on bottom support plate 4, and drying agent 13 is placed in second accommodating chamber.Second air hole in communication with second accommodating chamber is opened on bottom support plate 4.

[0027] The second accommodating chamber is provided with a second blocking structure capable of uniformly blocking the second air hole, and a spring 12 is arranged below the second blocking structure for lifting the second blocking structure, and the bottom end of the knob 6 is integrally formed with a driving pressing plate 8 for pressing the second blocking structure. Specifically, the second blocking structure comprises a second main connecting rod 10, a second auxiliary connecting rod 11 integrally formed on both sides of the second main connecting rod 10, and a plurality of second blocking blocks 7 integrally formed on both sides of the second auxiliary connecting rod 11 and used for blocking the second air hole. The left end of the second main connecting rod 10 is formed with a corner connecting rod extending into the first accommodating chamber, and the top end of the corner connecting rod is formed with a driven pressing plate 9 capable of being pressed by the driving pressing plate 8.

[0028] A plurality of abutting rods are integrally formed at the bottom end of the second main connecting rod 10, the spring 12 is sleeved outside the abutting rods, and the two ends are fixed with the bottom surface of the second main connecting rod 10 and the inner bottom surface of the second accommodating chamber, respectively. Figure 3 As shown in the left sliding process of the knob 6, the driven pressing plate 9 is pressed downward by the driving pressing plate 8, the second main connecting rod 10 moves downward, and the second blocking block 7 is separated from the second air hole.

[0029] When the utility model is used, the appropriate bottom supporting plate 4 and supporting baffle 3 are selected according to the size of the inner partition plate 2 of the cabinet body 1 to assemble into a moisture-proof protection device, and cover the partition plate 2, when the high-voltage switch equipment is not placed, the knob 6 on the supporting baffle 3 is located at the initial position, and the first blocking block 5 and the second blocking block 7 block the first air hole and the second air hole, respectively.

[0030] When the high-voltage switch equipment is placed, the knob 6 on the supporting baffle 3 is actuated, the first blocking block 5 is synchronously moved and the first air hole is exposed, and the knob 6 can also press the driven pressing plate 9 downward through the driving pressing plate 8 when moving, so that the second blocking block 7 is separated from the second air hole, the desiccant 13 in the supporting baffle 3 and the bottom supporting plate 4 is exposed, the dehumidification of the chamber above the partition plate 2 is completed, the water droplets adhered to the high-voltage switch equipment and the line are prevented, and the high-voltage switch equipment installed above the partition plate 2 is protected.

[0031] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above with a preferred embodiment, it is not intended to limit the utility model. Any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the utility model, and equivalent embodiments with equivalent changes and modifications are equivalent. Any modification, equivalent change and modification of the above-mentioned technical solution of the utility model according to the technical essence of the utility model are still within the scope of the technical solution of the utility model.

Claims

1. An anti-condensation ring main unit, characterized by, The application relates to an anti-condensation protection device for a cabinet, which comprises a cabinet body, a partition plate arranged in the cabinet body and the anti-condensation protection device arranged on the partition plate.

2. The anti-condensation ring main unit according to claim 1, characterized in that, The first sealing structure comprises a first connecting rod fixedly connected with the pushing block and a plurality of first sealing blocks fixedly connected on the first connecting rod and used for sealing the first air holes.

3. The anti-condensation ring main unit according to claim 1, characterized in that, The supporting plate on the two sides of the pushing groove is provided with a plurality of first air holes communicated with the first accommodating chamber, and the pushing block is fixedly provided with the first sealing structure on the two sides.

4. The anti-condensation ring main unit according to claim 1, characterized in that, The supporting plate is attached to the inner wall of the cabinet body on the same side.

5. The anti-condensation ring main unit according to claim 2, characterized in that, The bottom supporting plate is provided with a second accommodating chamber communicated with the first accommodating chamber and arranged with a drying agent, and the bottom supporting plate is provided with a plurality of second air holes communicated with the second accommodating chamber.

6. The anti-condensation ring main unit according to claim 5, characterized in that, The second accommodating chamber is provided with a second sealing structure for sealing the second air holes, the second accommodating chamber is provided with a spring for lifting the second sealing structure, and the inside of the pushing block is provided with a driving pressing plate for pressing the second sealing structure.

7. The anti-condensation ring main unit according to claim 6, characterized in that, The second sealing structure comprises a second main connecting rod lifted by the spring, a second auxiliary connecting rod fixedly connected on the two sides of the second main connecting rod and a plurality of second sealing blocks fixedly connected on the two sides of the second auxiliary connecting rod and used for sealing the second air holes, and one end of the second main connecting rod is inserted into the pushing groove and forms a driven pressing plate which can be pressed by the driving pressing plate.