Intelligent low-voltage draw-out type switch cabinet

By designing movable and fixed cover structures in low-voltage withdrawable switchgear and using synchronous motors to control the opening and closing of the dustproof screen, the problem of easy clogging of the dustproof screen is solved, achieving efficient heat dissipation and reduced maintenance costs.

CN223612869UActive Publication Date: 2025-11-28JIANGSU CHENGJIYANG POWER EQUIP CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422979974.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-11-28
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

The dustproof screens of existing intelligent heat-dissipating low-voltage withdrawable switchgear are easily clogged by dust, and the cleaning cycle is short, which affects the heat dissipation effect and equipment maintenance costs.

Method used

An intelligent low-voltage withdrawable switch cabinet was designed, which adopts a movable cover and a fixed cover structure. The opening and closing of the dustproof screen is controlled by a synchronous motor driven adjusting screw, so as to realize air circulation and heat dissipation and avoid dust accumulation.

Benefits of technology

It improves the heat dissipation efficiency of the equipment, reduces the probability of dust filter clogging, and reduces maintenance frequency and cost.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223612869U_ABST
    Figure CN223612869U_ABST
Patent Text Reader

Abstract

The utility model discloses an intelligent low-voltage draw-out type switch cabinet, which relates to the technical field of switch cabinets and comprises a cabinet body, a movable frame is arranged in the cabinet body, a sliding rail is arranged between the movable frame and the cabinet body, ventilation slots are arranged on two sides of the movable frame in a penetrating manner, and fixed covers are fixedly arranged in the middles of two sides of the cabinet body. According to the utility model, the cabinet body is arranged, the two sides of the cabinet body are provided with the fixed covers, the ventilating fans are arranged in the fixed covers, and the movable covers are arranged on the outer sides of the fixed covers, so that when equipment in the cabinet body operates at low power, the generated heat is less, and at the moment, the movable covers can shield the dustproof nets in the fixed covers; and when the equipment in the cabinet body operates at high power, the movable cover can be overturned outwards to improve the circulation efficiency of air in the cabinet body, so that the heat dissipation efficiency of the equipment in the cabinet body is ensured, the blocking probability of the dustproof net is reduced, and the maintenance cost of the equipment is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switch cabinet, especially relates to a kind of intelligent low-voltage draw-out type switch cabinet. BACKGROUND

[0002] Low-voltage draw-out type switch cabinet is widely used in power plant, substation, factory and mine enterprise and power distribution center PC and motor control center MCC of high-rise building, as the low-voltage complete distribution device used in distribution, motor centralized control, reactive power compensation in power supply system of alternating current 50-60Hz, rated working voltage is 660V and below, rated current is 4000A and below.

[0003] As the patent number CN213584869U of a kind of intelligent heat dissipation type low-voltage draw-out type switch cabinet, its technical scheme is: including moisture-proof base and metal cabinet, the metal cabinet is installed and fixed on the upper end position of moisture-proof base, the lower end of moisture-proof base is provided with support stand, the processor body and heat dissipation fan of intelligent radiator are fixedly connected on metal cabinet, and processor body is electrically connected with outside, to facilitate processing use, when radiating, processor body passes through the temperature sensor of front end lower side, so that the temperature inside metal cabinet is effectively sensed, and when temperature is higher than the set temperature of processor body, so that processor body is powered on heat dissipation fan by power connection line, to dissipate heat by heat dissipation fan, and when radiating, by the induction of temperature sensor, when the temperature sensed by temperature sensor is lower than the set temperature of processor body, so that processor body stops power supply to power connection line, so that heat dissipation fan stops radiating.

[0004] The above technical scheme has some problems in practical application, the technical scheme controls the radiating effect by controlling the rotating speed of heat dissipation fan, but in order to avoid dust from entering the device during radiating, dust screen is arranged on the outside of heat dissipation fan, but the dust screen is exposed to air for a long time, and the probability of dust screen being blocked by dust is relatively high, and the cleaning cycle is relatively short.

[0005] Therefore, it is necessary to invent a kind of intelligent low-voltage draw-out type switch cabinet to solve the above problems. SUMMARY

[0006] The utility model discloses a kind of intelligent low-voltage draw-out type switch cabinet to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: A kind of intelligent low-voltage draw-out type switchgear, including cabinet, the inside of the cabinet is provided with movable rack, and movable rack is provided with slide rail between cabinet, the both sides of the movable rack are all through ventilation slot, the middle part of the both sides of the cabinet is fixedly provided with fixed cover, and the both ends of fixed cover are all set as inclined structure, the both ends of the fixed cover are all through ventilating fan, the both sides of the cabinet are provided with movable cover, and the top of movable cover is movably connected with the outside wall top of cabinet by pin shaft, the inside wall bottom of movable cover is fixedly provided with two synchronous motors, the output shaft of synchronous motor is fixedly provided with adjusting screw rod, the middle part of adjusting screw rod is sleeved with screw rod sleeve, the outside of screw rod sleeve is movably provided with movable arm by pin shaft, the bottom of movable arm is movably provided on the outside wall of cabinet by pin shaft, the bottom of movable cover is through slot.

[0008] Preferably, the outside of the fixed cover is provided with a movable frame, the inner wall of both ends of the fixed cover is provided with a slot, and the movable block is inserted and connected in the slot.

[0009] Preferably, a spring is arranged between the movable block and the groove bottom of the slot, a positioning block is fixedly arranged on one side of the movable block close to the movable frame, the outside of the positioning block is provided as an inclined surface, and the positioning block is arranged on the outside of the movable frame.

[0010] Preferably, a dust screen is fixedly arranged in the movable frame, and the dust screen is fixedly connected with the movable frame by bolts at four corners.

[0011] Preferably, a stop block is fixedly arranged in the middle of the inside of the fixed cover, and the two sides of the stop block are provided as arc surfaces.

[0012] Preferably, a recess is formed in the bottom of the cabinet, and a wire inlet slot is arranged in the middle of one side of the recess.

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

[0014] 1. The utility model discloses a cabinet, the both sides of cabinet are provided with fixed cover, the inside of fixed cover is provided with ventilating fan, and the movable cover is arranged on the outside of fixed cover, when the equipment inside cabinet is low-power operation, the heat generated is less, at this time, the movable cover can shield the dust screen inside fixed cover, to reduce the probability that the dust screen is blocked by dust, when the equipment inside cabinet is high-power operation, the movable cover can be turned outward, to improve the circulation efficiency of air inside cabinet, thereby guaranteeing the heat dissipation efficiency of equipment inside cabinet while reducing the blocking probability of dust screen, thereby reducing the maintenance cost of equipment.

[0015] 2. The utility model discloses a fixed cover is set up, and both ends of fixed cover are all set to the inclined plane, and the middle part of inclined plane is provided with the ventilation fan, and the inclined design of ventilation fan makes that the outside air can be inclined after extraction and enters the inside of cabinet body, and two groups of ventilation fans can realize the injection and extraction of air respectively, to realize the air circulation of the inside and outside of cabinet body, thereby can effectively promote the heat dissipation efficiency of equipment inside cabinet body. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is cabinet body structure schematic diagram of the utility model.

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

[0019] Figure 4 It is the utility model's Figure 3 Structure enlarged schematic diagram of A place.

[0020] In the drawing: 1, cabinet body, 2, movable frame, 3, ventilation groove, 4, fixed cover, 5, ventilation fan, 6, movable cover, 7, synchronous motor, 8, adjusting screw rod, 9, screw rod sleeve, 10, movable arm, 11, through groove, 12, movable frame, 13, slot, 14, movable block, 15, positioning block, 16, dust screen, 17, stop block, 18, recess. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, 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 belong to the scope of protection of the utility model.

[0022] The utility model provides a kind of intelligent low-voltage draw-out type switchgear as Figures 1-4 As shown in formula, a kind of intelligent low-voltage draw-out type switchgear of the utility model includes cabinet body 1, the inside of cabinet body 1 is provided with movable frame 2, and slide rail is set between movable frame 2 and cabinet body 1, and ventilation groove 3 is set in the both sides of movable frame 2, and the middle part of both sides of cabinet body 1 is fixedly provided with fixed cover 4, and both ends of fixed cover 4 are set as inclined structure, ventilation fan 5 is set in both ends of fixed cover 4, and movable cover 6 is set in the both sides of cabinet body 1, and the top end of movable cover 6 is movably connected with the outside wall top end of cabinet body 1 by pin shaft, and movable cover 6 can be turned over on the outside of cabinet body 1;

[0023] Specific, the inner side wall bottom end of the movable cover 6 is fixedly provided with two synchronous motors 7, the output shaft of the synchronous motor 7 is fixedly provided with an adjusting screw rod 8, the middle part of the adjusting screw rod 8 is sleeved with a screw rod sleeve 9, the outer side of the screw rod sleeve 9 is movably provided with a movable arm 10 through a pin shaft, the bottom end of the movable arm 10 is movably arranged on the outer side wall of the cabinet body 1 through a pin shaft, the bottom end of the movable cover 6 is provided with a through slot 11, the through slot 11 is convenient for the entry of external air, wherein the synchronous motor 7 can be driven by an external temperature controller, the temperature controller includes a plc controller and a temperature sensor installed inside the cabinet body 1, when the temperature inside the cabinet body 1 rises to a specified value, the plc controller can send instructions to the synchronous motor 7, so that the synchronous motor 7 drives the adjusting screw rod 8 to rotate;

[0024] More specifically, the outer side of the fixed cover 4 is provided with a movable frame 12, the inner wall of both ends of the fixed cover 4 is provided with a slot 13, the movable block 14 is inserted in the slot 13, the spring is arranged between the movable block 14 and the slot bottom of the slot 13, the side of the movable block 14 close to the movable frame 12 is fixedly provided with a positioning block 15, the outer side of the positioning block 15 is provided as an inclined surface, and the positioning block 15 is arranged on the outer side of the movable frame 12, the positioning block 15 can limit the movable block 12 to limit the dust screen 16, the dust screen 16 is fixedly arranged in the movable frame 12, and the dust screen 16 is fixedly connected with the movable frame 12 through bolts at four corners, and the bolts are convenient for replacing the dust screen 16.

[0025] Moreover, the inner side of the fixed cover 4 is fixedly provided with a stop block 17, and the two sides of the stop block 17 are provided as arc surfaces, the stop block 17 avoids interference between the two groups of air exchangers 5, and the bottom end of the cabinet body 1 is provided with a groove 18, and a wire inlet groove is arranged in the middle of one side of the groove 18, so that the electric wire can be guided into the groove 18.

[0026] The working principle of the utility model:

[0027] When the device is used, the switch equipment can be installed in the movable frame 2, when the equipment is in low-power operation, the heat generated is small, at this time, the movable cover 6 keeps adhering to the outer side wall of the cabinet body 1, at this time, the external air can enter the movable cover 6 through the through slot 11 at the bottom end of the movable cover 6, and then pass through the dust screen 16 and the fixed cover 4 to enter the inside of the cabinet body 1, at this time, the amount of air entering the inside of the cabinet body 1 is small, the amount of dust blocked by the dust screen 16 is small, and the blockage period of the dust screen 16 is long.

[0028] When the device is in high-power operation, a large amount of heat is accumulated in the cabinet 1, at this time, the synchronous motor 7 can drive the adjusting screw rod 8 to rotate, the adjusting screw rod 8 cooperates with the screw rod sleeve 9, so that the screw rod sleeve 9 slides in the movable cover 6, the screw rod sleeve 9 can drive the movable arm 10 to move, and the movable arm 10 can drive the movable cover 6 to move, so that the movable cover 6 rotates around the pin shaft at the top end of the movable cover 6, at this time, the movable cover 6 is separated from the fixed cover 4, at this time, a large amount of air can pass through the dust screen 16 and the fixed cover 4 into the cabinet 1, so as to realize efficient heat dissipation of the device in the cabinet 1.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or 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 in the scope of protection of the present application.

Claims

1. An intelligent low voltage draw-out switchgear cabinet comprising a cabinet body (1), characterized in that: The inside of the cabinet (1) is provided with a movable rack (2), and a slide rail is arranged between the movable rack (2) and the cabinet (1). Ventilation grooves (3) are arranged on both sides of the movable rack (2). Fixed covers (4) are fixedly arranged in the middle of both sides of the cabinet (1), and both ends of the fixed cover (4) are arranged in an inclined structure. Air exchange fans (5) are arranged in both ends of the fixed cover (4). The cabinet (1) is provided with movable covers (6) on both sides, and the top end of the movable cover (6) is movably connected with the top end of the outer side wall of the cabinet (1) through a pin shaft. Two synchronous motors (7) are fixedly arranged on the inner side wall bottom of the movable cover (6). An adjusting screw rod (8) is fixedly arranged on the output shaft of the synchronous motor (7). A screw rod sleeve (9) is arranged in the middle of the adjusting screw rod (8). An active arm (10) is movably arranged on the outside of the screw rod sleeve (9) through a pin shaft. The bottom end of the active arm (10) is movably arranged on the outer side wall of the cabinet (1) through a pin shaft. A through groove (11) is arranged in the bottom end of the movable cover (6).

2. The intelligent low voltage draw-out switchgear cabinet according to claim 1, characterized in that: The outside of the fixed cover (4) is provided with a movable frame (12), and the inner wall of both ends of the fixed cover (4) is provided with a slot (13). The movable block (14) is inserted into the slot (13).

3. The intelligent low voltage draw-out switchgear cabinet according to claim 2, characterized in that: A spring is arranged between the movable block (14) and the groove bottom of the slot (13). A positioning block (15) is fixedly arranged on one side of the movable block (14) close to the movable frame (12). The outer side of the positioning block (15) is arranged as an inclined surface, and the positioning block (15) is arranged on the outside of the movable frame (12).

4. The intelligent low voltage draw-out switchgear of claim 3, characterized in that: A dust screen (16) is fixedly arranged in the inside of the movable frame (12), and the dust screen (16) is fixedly connected with the movable frame (12) through bolts at four corners.

5. The intelligent low voltage draw-out switchgear of claim 4, characterized in that: A stop block (17) is fixedly arranged in the middle of the inside of the fixed cover (4), and the two sides of the stop block (17) are arranged as arc surfaces.

6. The intelligent low voltage draw-out switchgear of claim 5, characterized in that: A recess (18) is arranged in the bottom end of the cabinet (1), and a wire inlet groove is arranged in the middle of one side of the recess (18).

Citation Information

Patent Citations

  • Intelligent heat dissipation type low-voltage draw-out switch cabinet

    CN213584869U