Low residual voltage bus protection complete equipment with heat dissipation structure

By opening heat dissipation holes on the top and sides of the cabinet body of the low residual pressure busbar protection complete set, and setting a heat dissipation plug-in longitudinally on the cabinet body, the heat dissipation fan on the hanger rack is used to drain the heat outward, which solves the problem of the device. The problem of poor heat dissipation effect at high ambient temperatures achieves efficient heat dissipation without occupying the internal space.

CN222463936UActive Publication Date: 2025-02-11ANHUI KAIYU ELECTRIC CO LTD
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Patent Information

Application Number
CN202421165755.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-02-11
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The existing low residual voltage bus protection complete sets of devices do not have good heat dissipation effect at high ambient temperatures, and adding cooling fans will occupy the internal space of the cabinet, affecting the normal operation of other electrical equipment.

Method used

A complete set of low residual pressure busbar protection devices with a heat dissipation structure is designed. By opening a heat dissipation hole on the top and sides of the cabinet, and a heat dissipation plug-in is installed longitudinally on the cabinet, the heat dissipation fan is used to adjust the heat by using the heat dissipation fan installed on the hanger rack. Draw outwards to achieve heat dissipation without occupying the internal space.

Benefits of technology

It effectively improves the heat dissipation effect of the device under high ambient temperature, avoids the problem of the internal space of the cooling fan, and at the same time, the positioning components ensure the stable connection between the heat dissipation plug-in and the cabinet, further improving the heat dissipation effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a low residual voltage bus protection complete device with a heat dissipation structure, which comprises a cabinet body, the middle part of the top surface of the cabinet body is provided with heat dissipation holes I, and the two side surfaces of the cabinet body are symmetrically provided with at least two groups of heat dissipation holes I at intervals along respective long axes; a heat dissipation external hanging part is longitudinally arranged on the cabinet body in a spanning mode and comprises a hanging plate frame, and the hanging plate frame is in longitudinal spanning fit with the cabinet body and is kept to be overlapped and fixed with the long axis of the top face and the long axis of the side face of the cabinet body through a positioning assembly arranged in the short edge direction of the top face of the cabinet body. The top face and the side face of the hanging plate frame are each provided with a third heat dissipation hole in axial butt joint with the corresponding first heat dissipation hole, and heat dissipation fans are correspondingly attached to the outer sides of the third heat dissipation holes. According to the utility model, the top surface and the side surfaces of the cabinet body are provided with the heat dissipation holes I, the heat dissipation plug-in is longitudinally arranged on the cabinet body in a spanning manner, the hanging plate frame of the heat dissipation plug-in is provided with the heat dissipation holes III which are axially butted and communicated with the corresponding heat dissipation holes I, and the heat dissipation fan arranged on the hanging plate frame is utilized to discharge heat in the cabinet body outwards, so that the heat dissipation effect is achieved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of electric power equipment, and particularly relates to a low residual voltage busbar protection complete set device with a heat dissipation structure. Background Art

[0002] The low residual voltage busbar protection complete set mainly consists of a microcomputer controller integrated on the switch cabinet, a full range of busbar protection intelligent monitoring devices, high-voltage disconnectors, low residual voltage busbar protection absorption devices, voltage transformers, intelligent switches, high-voltage damping and detuning resistors, etc. It combines the previously decentralized monitoring and independent operation products into a systematic platform through integration and modularization, realizing an integrated monitoring, diagnosis, and early warning device; it is suitable for 3.6-40.5kV power systems of power generation, substations, and power users, and can replace voltage transformer cabinets, special lightning arrester cabinets, etc., to achieve three-dimensional and full-range monitoring.

[0003] Since multiple electrical devices are integrated in the cabinet of the low residual voltage busbar protection complete set, the temperature generated during operation is relatively high, which affects the operation safety of the entire device. In order to achieve the heat dissipation effect in the prior art, heat dissipation holes are generally opened on the cabinet, but this is applicable when the ambient temperature is low. If the ambient temperature is high, the heat dissipation effect cannot be achieved. At this time, a heat dissipation fan is generally configured in the cabinet, but the additional heat dissipation fan will inevitably occupy the already compact space in the cabinet, hindering the normal operation of other electrical devices in the cabinet. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a low residual voltage busbar protection device with a heat dissipation structure. The specific technical solution is as follows:

[0005] The utility model provides a low residual voltage busbar protection set with a heat dissipation structure, comprising a square cabinet with multiple layers of accommodating space, each open layer of the cabinet is respectively covered by a cabinet door that is hinged and matched therewith, a heat dissipation hole arranged in a regular hexagon is opened in the middle of the top surface of the cabinet, and at least two groups of the heat dissipation holes are symmetrically spaced along their respective long axes on both side surfaces; a heat dissipation hanger is longitudinally spanned on the cabinet, and the heat dissipation hanger comprises a hanging plate frame with an inverted right-angled U-shaped structure, the hanging plate frame is longitudinally spanned with the cabinet, and is kept and fixed with the long axes of the top and side surfaces of the cabinet by a positioning component arranged along the short side direction of the cabinet top surface, and the top surface and side surfaces of the hanging plate frame are respectively provided with heat dissipation holes three axially docked with the corresponding heat dissipation holes one, a heat dissipation fan matched therewith is correspondingly attached to the outer side of the heat dissipation hole three, and the heat dissipation fan is detachably clamped with the clamping component correspondingly arranged on the hanging plate frame.

[0006] As a preferred technical solution of the utility model, the positioning assembly includes a fixed claw vertically and symmetrically connected to the side end of the top surface of the hanging plate frame, and the fixed claw is an L-shaped structure, and its vertical part is clamped with the top rear facade of the cabinet, so that the hanging plate frame is kept coincident with the long axis of the top and side surfaces of the cabinet;

[0007] A moving clamp is provided on the top surface of the hanging plate frame, and the moving clamp includes a mounting sleeve vertically symmetrically attached to the end of the top surface of the hanging plate frame along the horizontal long axis of the fixed clamp, and a moving clamp with an L-shaped structure is slidably inserted into the mounting sleeve, and the horizontal part of the moving clamp is fastened to the corresponding mounting sleeve by a bolt matched therewith, and the vertical part thereof is clamped to the top front facade of the cabinet.

[0008] As a preferred technical solution of the utility model, a bridge plate is vertically connected between the horizontal parts of the two movable clamping claws, and the bridge plate faces one side of the cabinet door.

[0009] As a preferred technical solution of the utility model, a handle is vertically connected to the middle of the top surface of the bridge plate.

[0010] As a preferred technical solution of the utility model, the free end of the horizontal part of the movable clamping claw is vertically connected to the limiting block.

[0011] As a preferred technical solution of the utility model, the clamping assembly includes an L-shaped structural support plate symmetrically arranged around the corresponding heat dissipation hole, the corresponding heat dissipation fan is clamped between the two support plates, and a baffle is symmetrically attached between the long sides of the two support plates.

[0012] As a preferred technical solution of the utility model, the shell of the cooling fan is a regular hexagonal structure, whose vertical surface is in contact with the inner wall of the long side of the corresponding support plate, and the bottom edge of its lower inclined surface is in contact with the supporting inclined surface correspondingly arranged at the outer end of the short side of the support plate.

[0013] As a preferred technical solution of the utility model, the bottom edge of the upper inclined surface of the cooling fan is symmetrically provided with outward-inclined elastic cards. After the cooling fan is clamped with the corresponding clamping assembly, the elastic cards are vertically and tightly attached to the long side of the corresponding support plate; the top of the elastic card is integrally connected with a bending portion that is inclined inward and upward.

[0014] As a preferred technical solution of the utility model, a group of heat dissipation fins vertically connected to the outer surface of the hanging plate frame are arranged on the outer side of the support plate of the clamping assembly.

[0015] As a preferred technical solution of the utility model, the cabinet body has three layers of accommodating space and corresponding three cabinet doors; the cabinet doors in the middle and lower parts are provided with heat dissipation holes arranged in a rectangular shape.

[0016] The beneficial effects of the utility model are:

[0017] The utility model provides heat dissipation holes 1 on the top and side surfaces of a cabinet, and longitudinally arranges a heat dissipation external hanger on the cabinet, and provides heat dissipation holes 3 on a hanging plate frame of the heat dissipation external hanger, which are axially connected to the corresponding heat dissipation holes 1, and utilizes a heat dissipation fan arranged on the hanging plate frame to discharge heat in the cabinet to the outside, thereby achieving heat dissipation effect, and at the same time will not occupy the internal space of the cabinet; the arranged positioning component can not only ensure the connection stability of the entire heat dissipation external hanger and the cabinet, but also keep the long axis of the heat dissipation external hanger coincident with the top and side surfaces of the cabinet, thereby further improving the heat dissipation effect inside the cabinet; and the heat dissipation fan can be detachably connected to the hanging plate frame through a clamping component, so that it is convenient for disassembly and replacement at any time in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It shows a three-dimensional structural schematic diagram of the low residual voltage busbar protection set of the utility model;

[0019] Figure 2 A schematic diagram of the three-dimensional structure of the heat dissipation plug-in in the utility model is shown;

[0020] Figure 3 The three-dimensional structure schematic diagram of the heat dissipation plug-in of the utility model when the heat dissipation fan is not installed is shown;

[0021] Figure 4 A schematic diagram of the three-dimensional structure of the heat dissipation plug-in and the cabinet assembly in the utility model is shown;

[0022] Figure 5 A top view of the structure of the heat dissipation plug-in and the cabinet assembly in the utility model is shown.

[0023] As shown in the figure: 1. cabinet body; 11. heat dissipation hole 1; 2. cabinet door; 21. heat dissipation hole 2; 3. heat dissipation plug-in; 31. hanging plate rack; 311. heat dissipation hole 3; 32. positioning assembly; 321. fixed clamping claw; 322. moving clamping piece; 3221. installation sleeve; 3222. moving clamping claw; 32221. limit block; 3223. bolt; 3224. bridge plate; 32241. handle; 33. clamping assembly; 331. support plate; 3311. supporting slope; 332. baffle; 34. cooling fan; 341. elastic card; 35. cooling fin. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0025] Embodiment 1

[0026] In order to solve the technical problems in the background technology, the following low residual voltage busbar protection set with a heat dissipation structure is provided:

[0027] Combination Figures 1 to 5 As shown, a low residual voltage busbar protection set with a heat dissipation structure comprises a square cabinet 1 with multiple layers of accommodation space, each open layer of the cabinet 1 is respectively covered by a cabinet door 2 hingedly adapted thereto, a heat dissipation hole 11 arranged in a regular hexagon is opened in the middle of the top surface of the cabinet 1, and at least two groups of the heat dissipation holes 11 are symmetrically spaced along their respective long axes on both sides; a heat dissipation external hanger 3 is longitudinally spanned on the cabinet 1, and the heat dissipation external hanger 3 comprises a hanging plate frame 31 in an inverted right-angled U-shaped structure, and the The hanging plate frame 31 is longitudinally spanned with the cabinet body 1, and is kept aligned with the long axis of the top and side surfaces of the cabinet body 1 by a positioning component 32 arranged along the short side direction of the top surface of the cabinet body 1, and the top and side surfaces of the hanging plate frame 31 are respectively provided with heat dissipation holes 311 axially docked with the corresponding heat dissipation holes 11, and the outer side of the heat dissipation holes 311 is correspondingly attached with a cooling fan 34 adapted thereto, and the cooling fan 34 is detachably clamped with a clamping component 33 correspondingly arranged on the hanging plate frame 31.

[0028] By adopting the above technical solution, the low residual voltage busbar protection set device opens a heat dissipation hole 11 on the top and side of the cabinet 1, and longitudinally crosses the heat dissipation plug-in 3 on the cabinet 1, opens a heat dissipation hole 311 on the hanging plate frame 31 of the heat dissipation plug-in 3 to connect with the corresponding heat dissipation hole 11 in the axial direction, and uses the heat dissipation fan 34 set on the hanging plate frame 31 to discharge the heat in the cabinet 1 to the outside, so as to achieve the heat dissipation effect, and at the same time will not occupy the internal space of the cabinet 1; the positioning component 32 set can not only ensure the connection stability of the entire heat dissipation plug-in 3 and the cabinet 1, but also keep the heat dissipation plug-in 3 coincide with the long axis of the top and side of the cabinet 1, further improving the heat dissipation effect inside the cabinet 1; and the heat dissipation fan 34 is detachably connected to the hanging plate frame 31 through the clamping component 33, so as to facilitate disassembly and replacement at any time in the later stage. Preferably, the heat dissipation hole 11 is designed to be arranged in a regular hexagon, which can improve the heat dissipation effect of the cabinet 1.

[0029] Embodiment 2

[0030] Combination Figures 2 to 5 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0031] In this embodiment, the positioning assembly 32 includes a fixed claw 321 vertically and symmetrically connected to the side end of the top surface of the hanging plate frame 31, and the fixed claw 321 is an L-shaped structure, and its vertical portion is clamped with the top rear elevation of the cabinet 1, so that the hanging plate frame 31 is kept coincident with the long axis of the top and side surfaces of the cabinet 1;

[0032] A moving clamp 322 is provided on the top surface of the hanging plate frame 31, and the moving clamp 322 includes a mounting sleeve 3221 vertically symmetrically attached to the end of the top surface of the hanging plate frame 31 along the horizontal long axis of the fixed clamp 321, and an L-shaped moving clamp 3222 is slidably connected in the mounting sleeve 3221, and the horizontal portion of the moving clamp 3222 is fastened to the corresponding mounting sleeve 3221 by a bolt 3223 matched thereto, and the vertical portion thereof is clamped to the top front facade of the cabinet body 1.

[0033] By adopting the above technical scheme, the fixed clamping claw 321 and the moving clamping member 322 are matched with each other, which can not only facilitate the disassembly, assembly and fixation of the heat dissipation plug-in 3 and the cabinet 1, but also can quickly position and keep the hanging plate frame 31 and the top and side long axes of the cabinet 1 coincident, so that the heat dissipation hole three 311 of the hanging plate frame 31 and the heat dissipation hole one 11 of the cabinet 1 are axially connected; specifically, the moving clamping member 322 pulls the moving clamping claw 3222 to clamp its vertical part with the top front facade of the cabinet 1, and then fastens its horizontal part with the mounting sleeve 3221 through the bolt 3223.

[0034] Combination Figure 2 and Figure 3 As shown, a bridge plate 3224 is vertically connected between the horizontal parts of the two movable claws 3222, and the bridge plate 3224 faces one side of the cabinet door 2.

[0035] By adopting the above technical solution, the provided bridge plate 3224 can pull the two movable claws 3222 at the same time, thereby improving the operating efficiency.

[0036] Combination Figure 2 and Figure 3 As shown, a handle 32241 is vertically connected to the middle of the top surface of the bridge plate 3224.

[0037] By adopting the above technical solution, the handle 32241 can be easily grasped by humans.

[0038] Combination Figure 2 and Figure 3 As shown, the free end of the horizontal portion of the movable clamping claw 3222 is vertically connected to the limiting block 32221 .

[0039] By adopting the above technical solution, the provided limit block 32221 can prevent the movable claw 3222 from being separated from the installation sleeve 3221 .

[0040] Embodiment 3

[0041] Combination Figures 3 to 5 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0042] In this embodiment, the clamping assembly 33 includes an L-shaped structural support plate 331 symmetrically arranged around the corresponding heat dissipation hole 11, the corresponding heat dissipation fan 34 is clamped between the two support plates 331, and a baffle 332 is symmetrically attached between the long sides of the two support plates 331.

[0043] By adopting the above technical solution, the card assembly 33 forms a hollow card slot frame through two L-shaped support plates 331, and is limited by the set baffle 332, which can facilitate the rapid insertion of the cooling fan 34.

[0044] Combination Figure 3 and Figure 5 As shown, the shell of the cooling fan 34 is a regular hexagonal structure, whose vertical surface is in contact with the inner wall of the long side of the corresponding support plate 331, and the bottom edge of the lower inclined surface is in contact with the supporting inclined surface 3311 arranged at the outer end of the short side of the support plate 331.

[0045] By adopting the above technical solution and designing the shell of the cooling fan 34 as a regular hexagonal structure, the contact area between the side of the shell and the support plate 331 can be reduced, thereby reducing the friction force when inserted.

[0046] Combination Figure 5 As shown, the bottom edge of the upper inclined surface of the cooling fan 34 is symmetrically provided with outward-inclined elastic cards 341. After the cooling fan 34 is clamped with the corresponding clamping assembly 33, the elastic card 341 is vertically and tightly attached to the long side of the corresponding support plate 331; the top of the elastic card 341 is integrally connected with a bent portion that is inclined inward and upward.

[0047] By adopting the above technical solution, since the shell of the cooling fan 34 is designed as a regular hexagonal structure, an outward-inclined elastic card 341 is provided on the bottom edge of the upper inclined surface of the shell, so that after the cooling fan 34 is inserted into the card assembly 33, the elastic card 341 is squeezed by the support plate 331 and becomes a vertical state, so that under the reaction force of the elastic card 341, the cooling fan 34 can be more stably placed in the two support plates 331; in addition, a bending portion is provided at the top of the elastic card 341, which makes it convenient for the operator to press the elastic card 341 inward to remove the cooling fan 34 from the card assembly 33.

[0048] Embodiment 4

[0049] Combination Figures 2 to 4 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0050] In this embodiment, a group of heat dissipation fins 35 vertically connected to the outer surface of the hanging plate frame 31 are disposed on the outer side of the supporting plate 331 of the clamping assembly 33 .

[0051] By adopting the above technical solution, the heat dissipation fins 35 can further improve the heat dissipation effect in the cabinet 1; at the same time, the heat dissipation fan 34 can also quickly diffuse the heat of the heat dissipation fins 35 during the rotation and heat dissipation process.

[0052] Combination Figure 1 and Figure 4 As shown, the cabinet body 1 has three layers of accommodating space and three corresponding cabinet doors 2; the cabinet doors 2 at the middle and lower parts are provided with heat dissipation holes 21 arranged in a rectangular shape.

[0053] By adopting the above technical solution, the heat dissipation hole 21 can further improve the heat dissipation effect in the cabinet 1; the upper panel of the cabinet door 2 is embedded with an instrument that can monitor the temperature, humidity, switch dynamic indication, human body sensing, voice error prevention, and high-voltage live display of the switch cabinet in real time.

[0054] The working principle and use process of this utility model:

[0055] When the utility model is in use, first, the cooling fans 34 are inserted into the clamping components 33 on the cooling external plug-in 3 one by one, and then the cooling external plug-in 3 is straddled on the cabinet 1, and the movable clamping claw 3222 and the fixed clamping claw 321 are respectively clamped with the front and rear facades of the top of the cabinet 1, and the movable clamping claw 3222 and the installation sleeve 3221 are fastened and connected by the bolt 3223, and finally, the cooling fan 34 is started to operate.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low residual voltage busbar protection device with a heat dissipation structure, comprising a square cabinet (1) with multiple layers of accommodation space, wherein each open layer of the cabinet (1) is respectively covered by a cabinet door (2) hingedly matched therewith, and characterized in that: The middle of the top surface of the cabinet (1) is provided with heat dissipation holes (11) arranged in a regular hexagon, and at least two groups of heat dissipation holes (11) are symmetrically spaced along their respective long axes on both sides; a heat dissipation hanger (3) is longitudinally spanned on the cabinet (1), and the heat dissipation hanger (3) comprises a hanging plate frame (31) in an inverted right-angle U-shaped structure, and the hanging plate frame (31) is longitudinally spanned with the cabinet (1) and is connected along the short side direction of the top surface of the cabinet (1). The positioning assembly (32) is arranged to be aligned and fixed with the long axis of the top and side surfaces of the cabinet (1), and the top and side surfaces of the hanging plate frame (31) are respectively provided with heat dissipation holes (311) axially connected to the corresponding heat dissipation holes (11), and a heat dissipation fan (34) matching with the heat dissipation holes (311) is correspondingly attached to the outer side of the heat dissipation holes (311), and the heat dissipation fan (34) is detachably connected to the clamping assembly (33) correspondingly arranged on the hanging plate frame (31).

2. The low residual voltage busbar protection complete set with heat dissipation structure according to claim 1 is characterized in that: The positioning assembly (32) comprises a fixed clamping claw (321) vertically and symmetrically connected to the side end of the top surface of the hanging plate frame (31); the fixed clamping claw (321) is an L-shaped structure, and its vertical portion is clamped with the top rear vertical surface of the cabinet (1), so that the hanging plate frame (31) remains coincident with the long axis of the top surface and the side surface of the cabinet (1); The top surface of the hanging plate frame (31) is provided with a movable clamping member (322), and the movable clamping member (322) includes a mounting sleeve (3221) vertically symmetrically attached to the end of the top surface of the hanging plate frame (31) along the horizontal long axis of the fixed clamping claw (321), and an L-shaped movable clamping claw (3222) is slidably connected in the mounting sleeve (3221), and the horizontal portion of the movable clamping claw (3222) is fastened to the corresponding mounting sleeve (3221) by a bolt (3223) adapted thereto, and the vertical portion thereof is clamped to the top front elevation of the cabinet body (1).

3. The low residual voltage busbar protection complete set with heat dissipation structure according to claim 2 is characterized in that: A bridge plate (3224) is vertically connected between the horizontal parts of the two movable claws (3222), and the bridge plate (3224) faces one side of the cabinet door (2).

4. The low residual voltage busbar protection complete set with heat dissipation structure according to claim 3 is characterized in that: A handle (32241) is vertically connected to the middle of the top surface of the bridge plate (3224).

5. The low residual voltage busbar protection complete set with heat dissipation structure according to claim 2 is characterized in that: The free end of the horizontal portion of the movable clamping claw (3222) is vertically connected to the limiting block (32221).

6. The low residual voltage busbar protection complete set with heat dissipation structure according to claim 1 is characterized in that: The clamping assembly (33) comprises an L-shaped structural support plate (331) symmetrically arranged around the corresponding heat dissipation hole (11), the corresponding heat dissipation fan (34) is clamped between the two support plates (331), and a baffle (332) is symmetrically attached between the long sides of the two support plates (331).

7. The low residual voltage busbar protection complete set with heat dissipation structure according to claim 6 is characterized in that: The shell of the cooling fan (34) is a regular hexagonal structure, the vertical surface of which is in contact with the inner wall of the corresponding long side of the support plate (331), and the bottom edge of the lower inclined surface of which is in contact with the corresponding supporting inclined surface (3311) arranged at the outer end of the short side of the support plate (331).

8. The low residual voltage busbar protection complete set with heat dissipation structure according to claim 7 is characterized in that: The bottom edge of the upper inclined surface of the heat dissipation fan (34) is symmetrically provided with outward-inclined elastic cards (341); after the heat dissipation fan (34) is clamped with the corresponding clamping assembly (33), the elastic card (341) is vertically and tightly attached to the long side of the corresponding support plate (331); the top of the elastic card (341) is integrally connected with a bent portion that is inclined inward and upward.

9. The low residual voltage busbar protection complete set with heat dissipation structure according to claim 6 is characterized in that: A group of heat dissipation fins (35) vertically connected to the outer surface of the hanging plate frame (31) are arranged on the outer side of the supporting plate (331) of the clamping assembly (33).

10. The low residual voltage busbar protection complete set with heat dissipation structure according to any one of claims 1 to 9, characterized in that: The cabinet body (1) has three layers of accommodating space and three corresponding cabinet doors (2) inside; the cabinet doors (2) at the middle and lower parts are provided with heat dissipation holes (21) arranged in a rectangular shape.