Compact low-voltage power distribution cabinet with heat dissipation channel

Abstract

The utility model relates to the technical field of power distribution cabinets, in particular to a compact low-voltage power distribution cabinet with heat dissipation channels, which comprises a cabinet body. Connecting cavities are formed in the left side and the right side of the mounting cavity, and a heat dissipation cavity is formed above the mounting cavity; detachable filtering parts are inserted into the inserting grooves; when components in the mounting cavity are cooled, the cooling fan blows wind power into the cavity and the connecting cavities on the two sides, the wind power is uniformly and comprehensively blown to the components in the mounting cavity through the multiple air inlet grooves, and under the action of the wind power, heat on the components is taken away by the wind power, and the wind power carries the heat and is exhausted into the cooling cavity through the exhaust grooves. The air is continuously blown into the mounting cavity along with the air flow, so that the heat of the components in the mounting cavity can be continuously dissipated; according to the design, the heat dissipation effect on the components in the mounting cavity is improved, the heat dissipation efficiency of the low-voltage power distribution cabinet is ensured, and continuous and stable operation of the low-voltage power distribution cabinet is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power distribution cabinet, concretely is a compact low voltage power distribution cabinet with heat dissipation channel. BACKGROUND

[0002] The compact low voltage power distribution cabinet, simply low voltage cabinet, is electrical equipment with rated voltage at 1kV and below, is mainly used in electric energy distribution, control, protection and monitoring functions, and adopts modular design, is closely connected between each component, has small floor space, is convenient to install and maintain, and is widely applied in the field of electric power system, industrial automation and the like.

[0003] The utility model discloses a low voltage power distribution cabinet in the utility model discloses a low voltage power distribution cabinet, including base, install the box body on base and install the box door on box body, the upper end of box body still is equipped with apron, apron with bottom plate between through the connecting rod that is equipped with links, and the middle part of first support part and second support part is equipped with shaft pin hole after the shaft pin link of first support part and second support part is passed, so that the middle part of first support part and second support part is connected, the both ends of first support part and second support part still are equipped with stand, wherein, one end of stand is connected with bottom plate, and the other side of stand is connected with ground. Box body is arranged on base, and then the box body is covered on base by apron, so that the power distribution cabinet is convenient to assemble, and the base is separated from the ground under the action of two support parts, so that the ventilation of the bottom of the base is smooth to avoid the corrosion of the base.

[0004] Although the low voltage power distribution cabinet can ensure the ventilation of the bottom of the base to avoid the corrosion of the base, the device still has the following problems when in use: the power distribution cabinet is only cooled by the multiple heat dissipation grooves arranged on the two sides of the cabinet body, and the heat dissipation grooves are only cooled by natural cooling, so the cooling effect and efficiency are low, and it is difficult to effectively dissipate the high heat in the low voltage power distribution cabinet in time, and the accumulation of heat in the power distribution cabinet can cause the equipment to malfunction due to high temperature, therefore, we provide a compact low voltage power distribution cabinet with heat dissipation channel. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a compact low voltage power distribution cabinet with heat dissipation channel to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a compact low voltage distribution cabinet with heat dissipation channel, including the cabinet body, the front end surface of cabinet body is equipped with the installation cavity, and the left and right sides of installation cavity are equipped with the connecting cavity, and the top of installation cavity is equipped with the heat dissipation cavity, and a plurality of exhaust grooves are equipped between installation cavity and heat dissipation cavity, and a plurality of air inlet grooves are equipped between connecting cavity and installation cavity, the rear side wall of heat dissipation cavity is equipped with a plurality of heat dissipation grooves, the bottom of installation cavity is equipped with the cavity, and the cavity is connected with the connecting cavity of both sides, and two notches are equipped at the bottom of cavity, the bottom end of left and right side walls of cabinet body is equipped with the insertion slot, and the insertion slot is connected with the notch, and the recess is equipped at the bottom center of cabinet body,

[0008] The insertion slot is equipped with the detachable filter part, and the filter part includes an outer plate, two opposite ends of the two outer plates are fixedly provided with an insertion support, the insertion support is inserted and matched with the insertion slot, a strip-shaped slot is formed in the top of the insertion support and connected with the notch, two connecting holes are formed in the outer plate and connected with the opening of the insertion support, and a heat dissipation fan is mounted on the outer wall of the outer plate at the connecting hole, a plurality of detachable mounting supports are mounted in the opening of the insertion support, and a dust filter screen is fixedly arranged in the opening of the mounting support.

[0009] As a preferred technical scheme of the utility model, a double-end screw rod is rotatably mounted in the recess, two movable plates horizontally movable are threadedly connected to the two ends of the double-end screw rod, and two limiting rods are fixedly arranged on the two opposite ends of the two movable plates.

[0010] As a preferred technical scheme of the utility model, the cross section of the insertion support is in U shape, and the insertion support is fixedly connected with the outer plate through bolts.

[0011] As a preferred technical scheme of the utility model, the cross section of the mounting support is in mouth-shaped type, and the mounting support is tightly bonded with the dust filter screen.

[0012] As a preferred technical scheme of the utility model, a positioning strip is fixedly arranged on the upper and lower ends of the mounting support, a plurality of positioning grooves are formed in the opening of the insertion support and located on the upper and lower walls, and the positioning strip is inserted and matched with the corresponding positioning groove.

[0013] As a preferred technical scheme of the utility model, side plates are fixedly connected to the front and rear sides of the recess through bolts, and the end of the double-end screw rod is rotatably connected with the side plate through a bearing.

[0014] As a preferred technical scheme of the utility model, an adjusting screw is coaxially connected to the front end of the double-end screw rod, and a plurality of anti-skid grooves are formed in the outer wall of the adjusting screw.

[0015] As the utility model discloses preferred technical scheme, two symmetrical cabinet doors are hinged to the front side of the installation cavity, and the cabinet doors are hinged to the cabinet body through hinges.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. By setting up the cabinet body: when the components in the installation cavity are cooled, the cooling fan blows air into the cavity and the connecting cavities on both sides, and the air is evenly and comprehensively blown onto the components in the installation cavity through the multiple air inlet grooves. Under the action of the air, the heat on the components is carried away by the air, and the air carries the heat and is discharged into the cooling cavity through the air outlet grooves, and is discharged to the outside through the multiple air outlet grooves. With the continuous blowing of the airflow into the installation cavity, the components in the installation cavity can be continuously cooled. This design improves the cooling effect of the components in the installation cavity, ensures the cooling efficiency of the low-voltage power distribution cabinet, and ensures the continuous and stable operation of the low-voltage power distribution cabinet.

[0018] 2. By setting up the filter part: after the airflow enters the plug-in frame, it passes through multiple dust filters in turn. Under the filtering action of the multiple dust filters, the dust and other impurities in the airflow can be filtered. This design can prevent dust and other impurities from entering the installation cavity and prevent dust and other impurities from falling on the components, thereby protecting the components in the installation cavity. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a sectional view of the overall structure of the utility model;

[0021] Figure 3 It is a sectional view of the structure of the cabinet body in the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the double-head screw in the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the filter part in the utility model;

[0024] Figure 6 It is an exploded view of the filter part in the utility model;

[0025] In the drawings:

[0026] 1, cabinet; 10, mounting cavity; 100, exhaust groove; 101, air inlet groove; 11, cavity; 110, notch; 12, heat dissipation cavity; 120, heat dissipation groove; 13, connecting cavity; 14, slot; 15, groove; 16, side plate; 17, cabinet door; 18, double head screw; 180, adjusting screw; 19, movable plate; 190, limiting rod; 191, guide groove;

[0027] 2, filter part; 20, outer plate; 21, heat dissipation fan; 22, plug-in rack; 220, slot; 221, positioning groove; 23, mounting rack; 230, positioning strip; 24, dust filter screen; 25, connecting block; 250, limiting hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] The embodiment provides a technical scheme:

[0030] Please refer to Figures 1-6 As shown in the figure, a compact low-voltage power distribution cabinet with a heat dissipation channel comprises a cabinet 1, the front end face of the cabinet 1 is provided with a mounting cavity 10, the left and right sides of the mounting cavity 10 are provided with connecting cavities 13, the upper side of the mounting cavity 10 is provided with a heat dissipation cavity 12, a plurality of exhaust grooves 100 are arranged between the mounting cavity 10 and the heat dissipation cavity 12, a plurality of air inlet grooves 101 are arranged between the connecting cavities 13 and the mounting cavity 10; a plurality of heat dissipation grooves 120 are arranged on the rear side wall of the heat dissipation cavity 12; the lower side of the mounting cavity 10 is provided with a cavity 11, the cavity 11 is in communication with the connecting cavities 13 on both sides, two notches 110 are arranged on the bottom of the cavity 11; the bottom end of the left and right side walls of the cabinet 1 is provided with a slot 14, and the slot 14 is in communication with the notches 110; a groove 15 is arranged at the center of the bottom of the cabinet 1; a detachable filter part 2 is arranged in the slot 14, the filter part 2 comprises an outer plate 20, the two opposite ends of the two outer plates 20 are fixed with plug-in racks 22, the plug-in racks 22 are in plug-in cooperation with the slot 14, a slot 220 in communication with the notches 110 is arranged on the top of the plug-in rack 22; two connecting holes in communication with the openings of the plug-in racks 22 are arranged on the outer plate 20, heat dissipation fans 21 are mounted on the outer wall of the outer plate 20 at the connecting holes; a plurality of detachable mounting racks 23 are mounted in the openings of the plug-in racks 22, and dust filter screens 24 are fixed in the openings of the mounting racks 23.

[0031] Further, the double-end screw rod 18 is rotatably arranged in the groove 15, and the two ends of the double-end screw rod 18 are threadedly connected with the movable plates 19 which can move horizontally, and the two opposite end faces of the two movable plates 19 are fixedly provided with two limiting rods 190; the two opposite end faces of the two inserting racks 22 are fixedly provided with two connecting blocks 25 which are inserted into the groove 15, and the connecting block 25 is provided with a limiting hole 250, and the limiting rod 190 is inserted into the corresponding limiting hole 250.

[0032] In the embodiment, the cross section of the inserting rack 22 is U-shaped, and the inserting rack 22 is fixedly connected with the outer plate 20 through bolts. The bolt fixing mode ensures the connection firmness between the inserting rack 22 and the outer plate 20, and the U-shaped design facilitates the multiple installation racks 23.

[0033] In the embodiment, the cross section of the installation rack 23 is H-shaped, and the installation rack 23 is tightly bonded with the dust filter screen 24. The H-shaped design facilitates the installation of the dust filter screen 24 in the opening of the installation rack 23, and the tightly bonded mode ensures the installation stability of the dust filter screen 24.

[0034] In the embodiment, the upper and lower end faces of the installation rack 23 are fixedly provided with the positioning strips 230, and the openings of the inserting rack 22 are provided with a plurality of positioning grooves 221 in the upper and lower walls, and the positioning strip 230 is inserted into the corresponding positioning groove 221. The positioning strip 230 and the positioning groove 221 increase the installation stability of the installation rack 23, and ensure the use stability of the installation rack 23.

[0035] In the embodiment, the front and rear sides of the groove 15 are fixedly connected with the side plates 16 through bolts, and the end of the double-end screw rod 18 is rotatably connected with the side plate 16 through a bearing. The side plate 16 supports and supports the rotation of the double-end screw rod 18, and ensures the stability of the double-end screw rod 18.

[0036] In the embodiment, the front end of the double-end screw rod 18 is coaxially keyed connected with the adjusting screw 180, and the outer wall of the adjusting screw 180 is provided with a plurality of anti-skid grooves. The adjusting screw 180 facilitates the rotation of the double-end screw rod 18, improves the convenience of operation, and the anti-skid grooves improve the friction between the hand and the adjusting screw 180, and the design is humanized.

[0037] In the embodiment, the front side of the installation cavity 10 is hingedly connected with two symmetrical cabinet doors 17, and the cabinet door 17 is hingedly connected with the cabinet body 1 through a hinge. The design facilitates the opening and closing of the cabinet door 17, and the cabinet door 17 protects the components in the installation cavity 10.

[0038] It can be understood that the installation cavity 10 is arranged for installing the air switch and the like structure, and the air switch and the like component is a conventional technology, and the installation mode and the use principle are known by the person skilled in the art, which will not be repeated here; and the arrangement of the connecting cavity 13, the heat dissipation cavity 12 and the cavity 11 in the embodiment will not adversely affect the installation and use of the air switch and the like structure.

[0039] It should be noted that the two side walls of the movable plate 19 in the embodiment are provided with two guide grooves 191, the two side walls of the groove 15 are fixedly provided with guide rails, and the guide grooves 191 are slidably connected with the corresponding guide rails, which ensures the stability and smoothness of the horizontal movement of the movable plate 19.

[0040] In specific use, the user first connects the power supply of the heat dissipation fan 21, and the heat dissipation fan 21 starts to work. The air outside is blown into the opening of the plug-in frame 22 through the connecting hole. The dust and impurities in the air are filtered by the dust filter net 24. The filtered air enters the cavity 11 and the connecting cavity 13 through the strip-shaped groove 220 and the notch 110. At this time, the air is blown to the components in the installation cavity 10 through the multiple air inlet grooves 101 on both sides. Under the blowing of the air flow, the heat on the surface of the components is taken away. At this time, the hot air enters the heat dissipation cavity 12 through the air outlet groove 100, and is discharged to the outside through the multiple heat dissipation grooves 120. At this time, the heat on the surface of the components is taken away, and the heat in the installation cavity 10 is reduced.

[0041] When it is necessary to clean the dust filter net 24, the user first rotates the adjusting screw 180, and the double-headed screw rod 18 is driven to rotate. The two movable plates 19 are synchronously moved to the two sides. The movable plate 19 drives the limiting rod 190 to disengage from the limiting hole 250. The limitation of the connecting block 25 by the limiting rod 190 is released. Next, the user pulls the outer plate 20 to the two sides. The outer plate 20 drives the plug-in frame 22 to disengage from the plug-in groove 14. Finally, the user pulls the mounting frame 23 to the front side. The positioning strip 230 disengages from the positioning groove 221. The mounting frame 23 is disassembled, and the dust filter net 24 can be cleaned.

[0042] The above shows and describes the basic principle, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A compact low voltage switchgear with heat dissipation channels, comprising a cabinet (1), characterized in that: The front end face of the cabinet body (1) is provided with a mounting cavity (10), the left and right sides of the mounting cavity (10) are provided with connecting cavities (13), the upper side of the mounting cavity (10) is provided with a heat dissipation cavity (12), a plurality of exhaust grooves (100) are arranged between the mounting cavity (10) and the heat dissipation cavity (12), and a plurality of air inlet grooves (101) are arranged between the connecting cavities (13) and the mounting cavity (10); the rear side wall of the heat dissipation cavity (12) is provided with a plurality of heat dissipation grooves (120); the lower side of the mounting cavity (10) is provided with a cavity (11), the cavity (11) is communicated with the connecting cavities (13) on both sides, and the bottom of the cavity (11) is provided with two notches (110); the bottom ends of the left and right side walls of the cabinet body (1) are provided with insertion grooves (14), and the insertion grooves (14) are communicated with the notches (110); and the bottom center of the cabinet body (1) is provided with a groove (15). The insertion grooves (14) are provided with detachable filter parts (2), the filter parts (2) comprise outer plates (20), the opposite end faces of the two outer plates (20) are fixedly provided with insertion frames (22), the insertion frames (22) are in insertion fit with the insertion grooves (14), the top of the insertion frame (22) is provided with a strip-shaped groove (220) communicated with the notch (110), and the outer plates (20) are provided with two connecting holes communicated with the openings of the insertion frames (22), the outer walls of the outer plates (20) are provided with heat dissipation fans (21) at the connecting holes; a plurality of detachable mounting frames (23) are mounted in the openings of the insertion frames (22), and the mounting frames (23) are fixedly provided with dust filter screens (24) in the openings.

2. The compact low voltage switchgear with heat dissipation channel according to claim 1, characterized in that: A double-head screw rod (18) is rotatably mounted in the groove (15), the two ends of the double-head screw rod (18) are threadedly connected with horizontally movable movable plates (19), the opposite end faces of the two movable plates (19) are fixedly provided with two limiting rods (190), the opposite end faces of the two insertion frames (22) are fixedly provided with two connecting blocks (25), the connecting blocks (25) penetrate into the groove (15), the connecting blocks (25) are provided with limiting holes (250), and the limiting rods (190) are in insertion fit with the corresponding limiting holes (250).

3. The compact low voltage switchgear with heat dissipation channel of claim 1, wherein: The cross section of the insertion frame (22) is in U-shaped, and the insertion frame (22) is fixedly connected with the outer plate (20) through bolts.

4. The compact low voltage switchgear with heat dissipation channel of claim 1, wherein: The cross section of the mounting frame (23) is in mouth-shaped, and the mounting frame (23) is tightly bonded with the dust filter screen (24).

5. The compact low voltage switchgear with heat dissipation channel of claim 1, wherein: The upper and lower end faces of the mounting frame (23) are fixedly provided with positioning strips (230), the openings of the insertion frames (22) are provided with a plurality of positioning grooves (221) in the upper and lower walls, and the positioning strips (230) are in insertion fit with the corresponding positioning grooves (221).

6. The compact low voltage switchgear with heat dissipation channel of claim 1, wherein: The groove (15) is fixedly connected with side plates (16) through bolts at the front and rear sides, and the tail end of the double-head screw rod (18) is rotatably connected with the side plates (16) through a bearing.

7. The compact low voltage switchgear with heat dissipation channel of claim 2, wherein: The front end of the double-head screw rod (18) is coaxially keyed connected with an adjusting screw (180), and the outer wall of the adjusting screw (180) is provided with a plurality of anti-skid grooves.

8. The compact low voltage switchgear with heat dissipation channel of claim 1, wherein: Two symmetrical cabinet doors (17) are hinged to the front side of the installation cavity (10), and the cabinet doors (17) are hinged to the cabinet body (1) through hinges.

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