Heat dissipation channel of low-voltage transmission cabinet

Abstract

The utility model discloses a heat dissipation channel of a low voltage transmission cabinet, which comprises an outer cabinet body, an operation element and a heat dissipation assembly, the operation element is arranged in an inner cavity of the outer cabinet body, the heat dissipation assembly is detachably arranged on the outer cabinet body, the heat dissipation assembly comprises an outer channel mechanism and an inner channel, the outer channel mechanism is detachably arranged on the outer cabinet body, the inner channel is arranged in the outer cabinet body, and the outer channel mechanism is detachably connected with the inner channel. Therefore, heat dissipation air which is originally and freely diffused is directly guided out of the cabinet body through a fixed path, the problem of temperature rise caused by heat accumulation in the cabinet body is more efficiently solved, and external dust is effectively prevented from entering the cabinet body due to the arrangement of the filtering part which is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage drive cabinets, in particular to a heat dissipation channel for a low-voltage drive cabinet. Background Art

[0002] In heavy industries such as mines and metallurgy, for the heat dissipation management of key drive equipment such as inverter complete sets of cabinets, the traditional design of the outer door of the cabinet is often a structure with multiple rows of ventilation holes to enhance air circulation. However, this design faces significant challenges in the long-term operating environment: the filter screens inside the ventilation holes are extremely prone to accumulating dust, which not only blocks the air circulation path, reduces the heat dissipation efficiency, but also increases the frequency and cost of regular maintenance cleaning and filter screen replacement.

[0003] Particularly crucial is that high-power variable frequency devices generate significant heat during operation. If efficient heat dissipation cannot be achieved within the compact cabinet space, it will directly lead to an increase in the internal temperature of the equipment, thereby affecting the performance stability of components. In extreme cases, it may trigger the activation of the overheat protection mechanism, resulting in equipment shutdown and affecting production continuity. Summary of the Utility Model

[0004] The utility model aims to solve at least one of the technical problems in the related technologies to a certain extent.

[0005] For this reason, the purpose of the utility model is to propose a heat dissipation channel for a low-voltage drive cabinet, which directly leads the originally freely diffused heat dissipation air volume to the outside of the cabinet through a fixed path, more efficiently solves the temperature rise problem caused by heat accumulation inside the cabinet, and is provided with a filter component that is convenient for disassembly and assembly, effectively preventing external dust from entering the cabinet.

[0006] To achieve the above object, the utility model proposes a heat dissipation channel for a low-voltage drive cabinet, including an outer cabinet, operating components, and a heat dissipation assembly. Among them, the operating components are arranged in the inner cavity of the outer cabinet; the heat dissipation assembly is detachably arranged on the outer cabinet, and the heat dissipation assembly includes an outer channel mechanism and an inner channel. Among them, the outer channel mechanism is detachably arranged on the outer cabinet; the inner channel is arranged inside the outer cabinet, and the outer channel mechanism and the inner channel are detachably connected.

[0007] The heat dissipation channel of the low-voltage drive cabinet of the utility model directly leads the originally freely diffused heat dissipation air volume to the outside of the cabinet through a fixed path, more efficiently solves the temperature rise problem caused by heat accumulation inside the cabinet, and is provided with a filter component that is convenient for disassembly and assembly, effectively preventing external dust from entering the cabinet.

[0008] In addition, the heat dissipation channel of the low-voltage drive cabinet proposed according to the above application may also have the following additional technical features:

[0009] Specifically, the outer cabinet body includes a cabinet body, a limit clamping shell, a through groove, a limit groove and positioning screw holes. Among them, there are two groups of limit clamping shells, and the two groups of limit clamping shells are respectively arranged on the cabinet body; the through groove is opened on the limit clamping shell; the limit groove is opened on the cabinet body; there are multiple groups of positioning screw holes, and the multiple groups of positioning screw holes are respectively arranged on the cabinet body and the limit clamping shell.

[0010] Specifically, the outer channel mechanism includes an outer pipe, an outer clamping plate, an air outlet groove, a fixed plate and a filtering component. Among them, the outer clamping plate is arranged on the outer pipe, and the outer clamping plate is clamped in the limit groove; the air outlet groove is opened on the outer pipe; the fixed plate is movably arranged in the outer pipe; the filtering component is arranged on the fixed plate.

[0011] Specifically, a blind groove is provided on the limit clamping shell, and the positioning screw holes are respectively arranged on the blind groove and the cabinet body.

[0012] Specifically, fastening elastic members are provided on the left and right sides of the surface of the outer clamping plate. The outer clamping plate is inserted into the limit groove with a clearance fit, and the fastening elastic members abut against the inner wall of the limit groove.

[0013] Specifically, the filtering component is a multi-layer filter cotton net, and the multi-layer filter cotton net is sequentially arranged on the fixed plate, and the pore diameters of the multi-layer filter cotton net gradually decrease from the outside to the inside.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present invention. Description of the Drawings

[0015] The above-mentioned and / or additional aspects and advantages of the present invention will become apparent and easy to understand from the following description of the embodiments in conjunction with the drawings, in which:

[0016] Figure 1 is a schematic structural diagram of the heat dissipation channel of a low-voltage drive cabinet according to an embodiment of the present invention;

[0017] Figure 2 is a schematic structural diagram of the outer cabinet body of the heat dissipation channel of a low-voltage drive cabinet according to an embodiment of the present invention;

[0018] Figure 3 is a schematic structural diagram of the outer channel mechanism of the heat dissipation channel of a low-voltage drive cabinet according to an embodiment of the present invention;

[0019] Figure 4 is a schematic structural diagram of the filtering component of the heat dissipation channel of a low-voltage drive cabinet according to an embodiment of the present invention.

[0020] As shown in the figure: 10. Outer cabinet; 101. Cabinet body; 102. Limit shell; 103. Through groove; 104. Limit groove; 105. Positioning screw hole; 20. Operating element; 30. Heat dissipation component; 301. Outer channel mechanism; 3011. Outer pipe; 3012. Outer clamping plate; 3013. Air outlet groove; 3014. Fixed plate; 3015. Filter component; 302. Inner channel. Detailed implementation mode

[0021] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation of the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents that fall within the spirit and scope of the appended claims.

[0022] The heat dissipation channel of the low-voltage drive cabinet according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

[0023] As Figures 1-4 shown, the heat dissipation channel of the low-voltage drive cabinet according to the embodiment of the present invention includes an outer cabinet 10, an operating element 20 and a heat dissipation component 30.

[0024] Among them, the operating element 20 is arranged in the inner cavity of the outer cabinet 10, the heat dissipation component 30 is detachably arranged on the outer cabinet 10, and the heat dissipation component 30 includes an outer channel mechanism 301 and an inner channel 302.

[0025] It should be noted that the operating element 20 is installed in the inner cavity of the outer cabinet 10. The heat generated by the operating element 20 during operation flows in the outer cabinet 10, and the heat is discharged outward through the heat dissipation component 30.

[0026] Among them, the outer channel mechanism 301 is detachably arranged on the outer cabinet 10, the inner channel 302 is arranged in the outer cabinet 10, and the outer channel mechanism 301 and the inner channel 302 are detachably connected.

[0027] It should be noted that the outer channel mechanism 301 is detachably installed on the outer cabinet 10 and is interconnected with the inner channel 302, so that the heat generated by the operating element 20 during operation is discharged outward through a specific channel.

[0028] In an embodiment of the present invention, as Figure 2 shown, the outer cabinet 10 includes a cabinet body 101, a limit shell 102, a through groove 103, a limit groove 104 and a positioning screw hole 105.

[0029] Among them, there are two groups of limit casings 102, which are respectively arranged on the cabinet body 101, and through grooves 103 are opened on the limit casings 102. Limit grooves 104 are opened on the cabinet body 101, and there are multiple groups of positioning screw holes 105, which are respectively arranged on the cabinet body 101 and the limit casings 102.

[0030] It should be noted that the two groups of limit casings 102 are respectively arranged on the cabinet body 101, and the number of limit casings 102 is set according to the volume of the cabinet body 101. The limit groove 104 is a concave groove, and the limit groove 104 is attached to the outer surface of the cabinet body 101. When the heat dissipation component 30 is limited and installed in the limit groove 104 and communicated with the through groove 103, and the heat dissipation component 30 is fixedly assembled through the positioning screw holes 105.

[0031] In an embodiment of the present invention, as Figure 3 and Figure 4 shown, the outer channel mechanism 301 includes an outer pipe 3011, an outer clamping plate 3012, an air outlet groove 3013, a fixed plate 3014 and a filtering component 3015.

[0032] Among them, the outer clamping plate 3012 is arranged on the outer pipe 3011, and the outer clamping plate 3012 is clamped in the limit groove 104, and the air outlet groove 3013 is opened on the outer pipe 3011. The fixed plate 3014 is movably arranged in the outer pipe 3011, and the filtering component 3015 is arranged on the fixed plate 3014.

[0033] It should be noted that a filtering component 3015 is installed on the fixed plate 3014. The fixed plate 3014 is movably disassembled and assembled in the outer pipe 3011. The fixed plate 3014 is connected together in the outer pipe 3011 by means of mutual clamping of a clamping block and a clamping groove, which is convenient for the disassembly and assembly of the fixed plate 3014 in the outer pipe 3011. The heat flow passing through is filtered by the filtering component 3015 to prevent external dust from entering the outer cabinet 10.

[0034] In an embodiment of the present invention, as Figure 2 shown, blind grooves are provided on the limit casings 102, and the positioning screw holes 105 are respectively arranged in the blind grooves and on the cabinet body 101.

[0035] In an embodiment of the present invention, as Figure 2 and Figure 3 shown, fastening elastic members are provided on the left and right sides of the surface of the outer clamping plate 3012. The outer clamping plate 3012 is inserted into the limit groove 104 with a clearance fit, and the fastening elastic members abut against the inner wall of the limit groove 104.

[0036] It should be noted that the outer card board 3012 is inserted and limited in the limit slot 104 and abuts against the inner wall of the limit slot 104 through a fastening elastic member, so as to ensure the stability of the outer card board 3012 in the limit slot 104.

[0037] In an embodiment of the present utility model, as Figure 4 shown, the filtering component 3015 is a multi-layer filtering cotton net, and the multi-layer filtering cotton nets are sequentially arranged on the fixed plate 3014, and the pore diameters of the multi-layer filtering cotton nets gradually decrease from outside to inside.

[0038] It should be noted that the filtering component 3015 is a filtering cotton net, and the filtering component 3015 is composed of multiple groups of filtering cotton nets with different pore diameters. The multi-layer filtering effectively prevents external dust from entering the outer cabinet 10 and affecting the normal operation of the operating components 20.

[0039] The steps for dissipating heat from the heat in the low-voltage drive cabinet are as follows: During assembly, the outer pipe 3011 is connected in a limited and clamped manner in the limit slot 104 on the cabinet body 101. The outer card board 3012 is inserted into the limit slot 104 and fixed by a screw cooperating with the positioning screw hole 105. The heat generated by the operating component 20 flows into the outer pipe 3011 along the inner channel 302. At this time, the hot air flow is transported to the outside of the outer cabinet 10. The filtering component 3015 is driven by the detachably fixed plate 3014 to be installed on the outer pipe 3011, and the filtering component 3015 prevents external dust from entering the cabinet body 101.

[0040] In summary, the heat dissipation channel of the low-voltage drive cabinet in the embodiment of the present utility model directly leads the originally freely diffused heat dissipation air volume to the outside of the cabinet through a fixed path, more efficiently solves the temperature rise problem caused by heat accumulation inside the cabinet, and is provided with a filtering component that is convenient for disassembly and assembly, effectively preventing external dust from entering the cabinet.

[0041] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and deformations to the above embodiments within the scope of the present utility model.

Claims

1. A heat dissipation channel of a low-voltage transmission cabinet, characterized in that: It comprises an outer cabinet (10), an operating element (20) and a heat dissipation component (30), wherein: The operating element (20) is arranged in the inner cavity of the outer cabinet (10); The heat dissipation component (30) is detachably arranged on the outer cabinet (10), and the heat dissipation component (30) comprises an outer channel mechanism (301) and an inner channel (302), wherein: The outer channel mechanism (301) is detachably arranged on the outer cabinet (10); The inner channel (302) is arranged in the outer cabinet (10), and the outer channel mechanism (301) and the inner channel (302) are detachably connected.

2. The heat dissipation channel of the low-voltage transmission cabinet according to claim 1 is characterized in that: The outer cabinet (10) comprises a cabinet (101), a limit locking shell (102), a through slot (103), a limit slot (104) and a positioning screw hole (105), wherein: The position-limiting card housings (102) are in two groups, and the two groups of position-limiting card housings (102) are respectively arranged on the cabinet body (101); The through groove (103) is provided on the position limiting housing (102); The limiting groove (104) is provided on the cabinet (101); There are multiple groups of positioning screw holes (105), and the multiple groups of positioning screw holes (105) are respectively arranged on the cabinet (101) and the limiting card shell (102).

3. The heat dissipation channel of the low-voltage transmission cabinet according to claim 2 is characterized in that: The outer channel mechanism (301) comprises an outer pipeline (3011), an outer clamping plate (3012), an air outlet groove (3013), a fixing plate (3014) and a filter component (3015), wherein: The outer clamping plate (3012) is arranged on the outer pipe (3011), and the outer clamping plate (3012) is clamped in the limiting groove (104); The air outlet groove (3013) is provided on the outer pipe (3011); The fixed plate (3014) is movably arranged in the outer pipe (3011); The filtering component (3015) is arranged on the fixing plate (3014).

4. The heat dissipation channel of the low-voltage transmission cabinet according to claim 2 is characterized in that: The limiting card shell (102) is provided with a blind groove, and the positioning screw hole (105) is respectively arranged on the blind groove and the cabinet body (101).

5. The heat dissipation channel of the low-voltage transmission cabinet according to claim 3 is characterized in that: The outer clamping plate (3012) is provided with fastening elastic parts on the left and right sides of the surface; the outer clamping plate (3012) is inserted into the limiting groove (104) with clearance fit, and the fastening elastic parts abut against the inner wall of the limiting groove (104).

6. The heat dissipation channel of the low-voltage transmission cabinet according to claim 3 is characterized in that: The filtering component (3015) is a multi-layer filter cotton mesh, and the multi-layer filter cotton mesh is arranged on the fixed plate (3014) in sequence, and the mesh apertures of the multi-layer filter cotton mesh decrease in sequence from the outside to the inside.

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