Ring main unit

By incorporating through channels, fixed covers, inclined plates, and dustproof nets on both sides of the ring main unit, the problems of inconvenient disassembly and installation of dustproof nets and rainwater ingress in traditional ring main units have been solved, achieving rapid cleaning and effective protection.

CN223693512UActive Publication Date: 2025-12-19JIANG YIN SU YUAN HUA MING DIAN QI SHE BEI YOU XIAN GONG SI
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Patent Information

Application Number
CN202423045691.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-19
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The dustproof mesh of the heat dissipation holes of traditional ring main units is not easy to disassemble and install quickly, and rainwater can easily enter the device in rainy or snowy weather.

Method used

The ring main unit has through slots on both sides, with fixed covers and inclined plates inside the slots. There is an exhaust fan in the middle, a dustproof net inside the slots, a baffle and air guide channel on the outside, a slot and a limiting structure at the bottom, and a limiting seat and spring at the top. The design facilitates the quick disassembly and installation of the dustproof net.

Benefits of technology

It enables quick disassembly and cleaning of the dust filter, preventing dust and rainwater from entering the cabinet and ensuring the equipment's heat dissipation and protection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223693512U_ABST
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Abstract

The utility model discloses a ring main unit, which relates to the technical field of ring main units and comprises a cabinet body, through grooves are arranged in the middles of two sides of the cabinet body in a penetrating manner, the through grooves are of square structures, fixed covers are fixedly arranged on the inner sides of the through grooves and arranged inside the cabinet body, inclined plates are fixedly arranged at two ends of each fixed cover, and the inclined plates are arranged at two ends of each fixed cover. And a ventilating fan penetrates through the middle part of the inclined plate. The through grooves are formed in the two sides of the cabinet body, the fixing covers are arranged in the through grooves, the inclined plates are arranged at the two ends of the fixing covers, the ventilating fans are arranged in the middles of the inclined plates, the ventilating fans can push air to flow, the dustproof nets are arranged in the through grooves, and dust can be prevented from entering the cabinet body through the dustproof nets; the baffle is arranged on the outer side of the dustproof net, the air guide grooves are formed in the middle of the baffle, and rainwater can be prevented from penetrating through the air guide grooves to enter the dustproof net due to the structural design that the air guide grooves incline upwards, so that the rainwater can be prevented from affecting equipment in the cabinet body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ring main unit, especially relates to a ring main unit. BACKGROUND

[0002] With the continuous development of urban distribution network, the degree of cable is improved, the application of ring main unit is more and more widely, and becomes the important component in distribution network. Ring main unit mainly plays the function of branch, section and contact in distribution system. Ring main unit is a group of high voltage switchgear in metal cabinet or is made into the electrical equipment of assembled interval type ring network power supply unit, the core part adopts load switch and fuse, has simple structure, small size, low price, can improve the advantages such as power supply parameter and performance and power supply safety. It is widely used in urban residential area, urban road side, park, high-rise building, large public building, factory enterprise and so on. Because of the shortage of land resources, a large number of user outdoor ring main units are made in the power grid construction, and the proportion of outdoor ring main unit in power grid construction is increasing because of the advantages such as compact structure, small area, beautiful appearance and coordination with the surrounding environment.

[0003] Such as the publication number CN207265509U, a kind of ring main unit, it is related to electrical equipment field, ring main unit includes: cabinet and moisture absorbing device, moisture absorbing device is arranged in cabinet;The bottom plate of cabinet is connected with support frame;The side plate of cabinet at both sides of cabinet door is respectively provided with air inlet and air outlet, and dry ventilation plate is arranged in the cabinet inside at air inlet, air outlet, dry ventilation plate is the porous plate filled with desiccant in interior. By setting moisture absorbing device in cabinet, part of humidity in cabinet can be removed;Support frame is connected to the bottom plate of cabinet, cabinet can be supported to a certain height, so that the bottom plate of cabinet is separated from cable shaft wellhead by a distance, so that most of the steam in the cable shaft is dissipated to the outside through the gap, avoiding that steam enters the cabinet through the through hole of the bottom plate. By setting air inlet and air outlet on the side plate of cabinet respectively, air circulation can be formed between the inside of cabinet and the outside, so that humidity in the cabinet is better dissipated to the outside.

[0004] The conventional ring main unit is cooled by setting heat dissipation holes in actual application, in order to avoid that dust enters the inside of device, dust screen is generally installed in heat dissipation hole, and dust screen needs to be cleaned regularly, the conventional ring main unit is not convenient to realize quick disassembly and assembly of dust screen, and in rainy and snowy weather, rainwater can enter the inside of ring main unit through dust screen.

[0005] Therefore, it is necessary to invent a kind of ring main unit to solve the above problems. SUMMARY

[0006] The utility model aims at providing a kind of ring main unit to solve the problems raised in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A ring main unit, including the cabinet, the both sides middle part of cabinet is all throughly provided with the through groove, and the through groove is provided with square structure, the inside of through groove is fixedly provided with the fixed cover, and the fixed cover is arranged in the inside of cabinet, the both ends of fixed cover are all fixedly provided with the inclined plate, the middle part of inclined plate is throughly provided with the ventilation fan, ventilation fan rotation direction opposite in the both sides of cabinet, the inside of through groove is provided with the dust screen, the both sides of cabinet all are provided with the baffle, and the baffle is arranged in the outside of through groove, the top of baffle is movably provided with the support seat through the pin shaft, and the support seat is fixedly arranged in the outside top of cabinet, the middle part of baffle is throughly provided with a plurality of air guide grooves, and the air guide groove is provided with the inclined structure of inclined upward.

[0008] Preferably, the inside wall of the through groove is provided with a slot at the bottom end, and the dust screen is inserted into the slot.

[0009] Preferably, the inside wall of the through groove is provided with a slot at the bottom end, and the dust screen is inserted into the slot.

[0010] Preferably, the inside wall of the through groove is provided with a slot at the bottom end, and the dust screen is inserted into the slot.

[0011] Preferably, the inside wall of the through groove is provided with a slot at the bottom end, and the dust screen is inserted into the slot.

[0012] Preferably, the inside wall of the through groove is provided with a slot at the bottom end, and the dust screen is inserted into the slot.

[0013] The utility model discloses a technical effect and advantage:

[0014] 1, the utility model discloses a through groove is seted up in the both sides of cabinet, and the inside of through groove is provided with the fixed cover, and the both ends of fixed cover are provided with the inclined plate, and the middle part of inclined plate is provided with the ventilation fan, and the ventilation fan can push the air flow, so as to the heat dissipation of equipment in the inside of cabinet, and the dust screen is seted up in the inside of through groove, and the dust screen can avoid the dust to enter the inside of cabinet, and the baffle is seted up in the outside of dust screen, and the middle part of baffle is provided with a plurality of air guide grooves, and the structure design of the air guide groove of inclined upward can avoid rainwater to enter the dust screen through the air guide groove, so as to avoid the influence of rainwater to the equipment in the inside of cabinet;

[0015] 2. The utility model discloses a dust screen can be inserted into the slot in the bottom end of the through groove, the limiting groove in the bottom end of the limiting seat set on the top end of the through groove is provided with a limiting block, and the limiting block can limit the top end of the outer side of the dust screen to realize the fixing of the dust screen. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model.

[0017] Figure 2 It is the whole structure cross section schematic diagram of the utility model.

[0018] Figure 3 It is the cabinet body structure schematic diagram of the utility model.

[0019] Figure 4 It is the cabinet body structure schematic diagram of the utility model. Figure 3 It is the structure enlarged schematic diagram of A place in the utility model.

[0020] In the drawing: 1, cabinet body;2, through groove;3, fixed cover;4, inclined plate;5, air exchanger;6, dust screen;7, baffle;8, support seat;9, air guide groove;10, slot;11, limiting seat;12, limiting groove;13, limiting block;14, canopy;15, cabinet door;16, mounting bracket. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] The utility model provides a kind of ring main unit as shown in Figures 1-4 Including cabinet body 1, the middle part of both sides of cabinet body 1 is all set with through groove 2, and through groove 2 is set as square structure, the inside of through groove 2 is fixedly provided with fixed cover 3, and fixed cover 3 is set in the inside of cabinet body 1, the both ends of fixed cover 3 are all fixedly provided with inclined plate 4, the middle part of inclined plate 4 is set with air exchanger 5, air exchanger 5 in the both sides of cabinet body 1 rotation direction is opposite, two groups of air exchangers 5 can be realized respectively cabinet body 1 inside air extraction and injection, to realize the circulation of air;

[0023] Specifically, the inside of the through slot 2 is provided with a dust screen 6, both sides of the cabinet body 1 are provided with a baffle 7, and the baffle 7 is arranged outside the through slot 2, the top end of the baffle 7 is movably provided with a support seat 8 through a pin shaft, and the support seat 8 is fixedly arranged at the top end of the cabinet body 1, a plurality of air guide grooves 9 are arranged in the middle of the baffle 7, and the air guide grooves 9 are arranged as inclined structures upward, and the inclined structures upward can avoid the penetration of rainwater through the air guide grooves 9, so that the rainwater can be prevented from entering the inside of the cabinet body 1;

[0024] More specifically, the inside wall of the through slot 2 is provided with a slot 10 at the bottom end, the bottom end of the dust screen 6 is inserted into the inside of the slot 10, the inside wall of the through slot 2 is fixedly provided with a limiting seat 11 at the top end, the bottom end of the limiting seat 11 is provided with a limiting groove 12, the limiting block 13 is inserted into the limiting groove 12, the spring is arranged between the limiting block 13 and the groove bottom of the limiting groove 12, and the outer side wall of the limiting block 13 is arranged as an inclined structure, and the inclined structure facilitates the insertion of the dust screen 6 into the limiting groove 12 when the dust screen 6 is extruded against the limiting block 13, so as to facilitate the quick installation of the dust screen 6.

[0025] In addition, the top end of the cabinet body 1 is fixedly provided with a rain shelter 14, and the area of the rain shelter 14 is greater than the top end area of the cabinet body 1, the outside of the cabinet body 1 is movably provided with a cabinet door 15 through a pin shaft, and the inside of the cabinet body 1 is fixedly provided with a plurality of mounting racks 16, and the mounting racks 16 are used for the installation of equipment.

[0026] The working principle of the utility model:

[0027] When the device is used, the equipment can be installed on the mounting rack 16 in the cabinet body 1, the heat generated by the equipment working is accumulated in the cabinet body 1, when the heat is discharged, the air exchange fans 5 on both sides of the cabinet body 1 can rotate and drive the air to move in two directions, the air outside the cabinet body 1 enters the fixed cover 3 after passing through the air guide grooves 9 and the dust screen 6, and then enters the inside of the cabinet body 1 under the guidance of the air exchange fans 5, and the air in the cabinet body 1 is discharged through the dust screen 6 and the air guide grooves 9 under the guidance of the other group of air exchange fans 5, so as to realize the circulation of the inside and outside of the cabinet body 1, and the heat in the cabinet body 1 can be taken out in the circulation process, so as to achieve the effect of heat dissipation and cooling of the equipment in the cabinet body 1.

[0028] When the dust screen 6 is cleaned, the baffle 7 is pulled to rotate around the support seat 8, so that the baffle 7 is separated from the dust screen 6, then the limiting block 13 is pulled to insert into the limiting groove 12, so that the limiting of the limiting block 13 to the dust screen 6 is released, and the dust screen 6 is pulled outward, so that the dust screen 6 can be disassembled.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A ring main unit comprising a cabinet (1), characterized in that: The both sides of the cabinet body (1) are provided with a through slot (2) in the middle, and the through slot (2) is provided as a square structure, the inner side of the through slot (2) is fixedly provided with a fixed cover (3), and the fixed cover (3) is arranged in the inside of the cabinet body (1), the both ends of the fixed cover (3) are fixedly provided with an inclined plate (4), the middle of the inclined plate (4) is provided with a ventilation fan (5), the rotation directions of the ventilation fans (5) on the both sides of the cabinet body (1) are opposite, the inside of the through slot (2) is provided with a dust screen (6), the both sides of the cabinet body (1) are provided with a baffle (7), and the baffle (7) is arranged outside the through slot (2), the top end of the baffle (7) is movably provided with a support seat (8) through a pin shaft, and the support seat (8) is fixedly arranged at the top end outside of the cabinet body (1), the middle of the baffle (7) is provided with a plurality of air guide grooves (9), and the air guide grooves (9) are provided as inclined structures upwardly.

2. The ring main unit according to claim 1, characterized in that: The inner side wall of the through slot (2) is provided with a slot (10) at the bottom end, and the bottom end of the dust screen (6) is inserted into the slot (10).

3. The ring main unit according to claim 2, characterized in that: The inner side wall of the through slot (2) is fixedly provided with a limiting seat (11) at the top end, and the bottom end of the limiting seat (11) is provided with a limiting groove (12).

4. The ring main unit according to claim 3, characterized in that: The limiting groove (12) is provided with a limiting block (13) inside, and the spring is arranged between the limiting block (13) and the groove bottom of the limiting groove (12), and the outer side wall of the limiting block (13) is provided as an inclined structure.

5. The ring main unit according to claim 4, characterized in that: The top end of the cabinet body (1) is fixedly provided with a rain shed (14), and the area of the rain shed (14) is larger than the top end area of the cabinet body (1).

6. The ring main unit according to claim 5, characterized in that: The outside of the cabinet body (1) is movably provided with a cabinet door (15) through a pin shaft, and the inside of the cabinet body (1) is fixedly provided with a plurality of mounting frames (16).

Citation Information

Patent Citations

  • Ring main unit

    CN207265509U