CN221103766U - Frequency conversion cabinet with good heat dissipation effect - Google Patents
Frequency conversion cabinet with good heat dissipation effect Download PDFInfo
- Publication number
- CN221103766U CN221103766U CN202322686678.7U CN202322686678U CN221103766U CN 221103766 U CN221103766 U CN 221103766U CN 202322686678 U CN202322686678 U CN 202322686678U CN 221103766 U CN221103766 U CN 221103766U
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- cabinet
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- air
- back plate
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 230000000694 effects Effects 0.000 title claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 title abstract description 12
- 238000005192 partition Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a variable frequency cabinet with good heat dissipation effect, which comprises a cabinet body, wherein a cabinet side plate, a cabinet back plate and a cabinet top plate which are fixedly connected with each other are arranged on the cabinet body, a mounting plate is arranged in the cabinet body, a plurality of components are mounted on the mounting plate, the mounting plate and the cabinet back plate are separated to form an air duct between the mounting plate and the cabinet back plate, a plurality of centrifugal fans are arranged above the air duct, a fan air inlet and a fan air outlet are arranged on the centrifugal fans, the fan air inlet is inserted into an opening on the upper side of the air duct, the fan air outlet is fixedly connected with the cabinet back plate, a plurality of air outlet holes communicated with the fan air outlet are formed in the cabinet back plate, and a plurality of air inlet holes communicated with an opening on the lower side of the air duct are formed in the bottom of the cabinet side plate. The utility model has the beneficial effects that in the working process of the frequency conversion cabinet, heat generated by the components is conducted to the mounting plate and then taken away by air passing through the ventilating duct, so that the heat dissipation efficiency of the frequency conversion cabinet is improved.
Description
Technical Field
The utility model belongs to the technical field of frequency conversion cabinets, and particularly relates to a frequency conversion cabinet with good heat dissipation effect.
Background
The variable frequency cabinet is equipment for converting an alternating current power supply into an alternating current power supply with variable frequency and variable amplitude, and the equipment can be started stably by using the variable frequency cabinet, so that the damage of large current generated when the equipment is started directly to a motor is reduced, and the energy loss is reduced. The variable frequency cabinet provides power for the motor by changing frequency and voltage, so that the speed regulation of the motor is realized.
In the operation process of the frequency conversion cabinet, a large amount of heat can be generated in the frequency conversion cabinet, and if the heat cannot be timely dissipated, the normal operation and the service life of the frequency conversion cabinet can be influenced. For improving the radiating efficiency of frequency conversion cabinet, can install a plurality of louvres on the shell of frequency conversion cabinet at present usually, nevertheless the louvre is passively conducted and is dispelled the heat, and radiating efficiency is lower, and in the long-time working process of frequency conversion cabinet, the heat still gathers inside the frequency conversion cabinet easily, influences the use and the life-span of frequency conversion cabinet.
Disclosure of Invention
Aiming at the problem that the existing frequency conversion cabinet only uses the radiating holes to radiate the frequency conversion cabinet, resulting in lower radiating efficiency, the following utility model is proposed:
The utility model provides a frequency conversion cabinet that radiating effect is good, includes the cabinet body, be equipped with mutual fixed connection's cabinet curb plate, cabinet back plate, cabinet roof on the cabinet body, be equipped with the mounting panel in the cabinet body, install a plurality of components and parts on the mounting panel, mounting panel and cabinet back plate are spaced apart to be formed with the air flue between the two, the air flue top is equipped with a plurality of centrifugal fans, be equipped with fan air intake and fan air outlet on the centrifugal fan, the fan air intake inserts to the air flue upside opening in, fan air outlet is fixed connection mutually with the cabinet back plate, be equipped with a plurality of air-out holes that are linked together with the fan air outlet on the cabinet back plate, cabinet curb plate bottom is equipped with a plurality of fresh air inlets that are linked together with the air flue downside opening.
Further, the upper fan housing is installed at the top of mounting panel, the upper fan housing is inclined towards keeping away from cabinet back plate direction for air flue upside opening top expansion, centrifugal fan locates the top of upper fan housing, the fan air intake inserts between upper fan housing and the cabinet back plate.
Further, the bottom of mounting panel still installs down the fan housing, down the fan housing slope towards keeping away from cabinet back plate orientation for the air flue downside opening expands downwards, is equipped with a plurality of lower air intakes that are linked together with the fresh air inlet in down the fan housing bottom.
Further, the side sealing plates are arranged on two sides of the mounting plate to seal the side openings among the mounting plate, the upper fan cover, the lower fan cover and the cabinet back plate, so that air is prevented from leaking out from the side of the ventilating duct.
Further, a partition plate for separating the upper fan cover from the centrifugal fan is arranged between the upper fan cover and the centrifugal fan, a plurality of ventilation holes for allowing the air inlet of the fan to pass through are formed in the partition plate, and dust entering the components is reduced by the partition plate.
Further, be equipped with a plurality of fin that are located the air flue on the mounting panel, the fin is two liang spaced apart, the fin has improved the area of contact with the air in the air flue, has improved radiating efficiency.
Further, the centrifugal fan is provided with a mounting frame, and the mounting frame is fixedly connected with the cabinet top plate.
Advantageous effects
The utility model provides a frequency conversion cabinet with good heat dissipation effect, after components on a mounting plate generate heat, a centrifugal fan drives air in an air duct to flow and brings out the heat on the mounting plate.
Drawings
FIG. 1 is a schematic perspective view of a frequency conversion cabinet in the utility model;
FIG. 2 is a schematic diagram of the internal structure of the frequency conversion cabinet in the utility model;
FIG. 3 is a schematic perspective view of the ventilation duct and related components of the present utility model;
FIG. 4 is a schematic view of a part of the structure of the ventilation duct and related components in the present utility model;
fig. 5 is a schematic perspective view of a separator according to the present utility model.
The correspondence between the reference numerals and the component names in the drawings is as follows:
1. A cabinet body; 2. a mounting plate; 3. a centrifugal fan; 4. an upper fan cover; 5. a lower fan cover; 6. a partition plate; 7. an air duct; 11. a cabinet side plate; 12. a cabinet back plate; 13. a cabinet top plate; 14. an air outlet hole; 15. an air inlet hole; 21. a component; 22. a heat sink; 23. a side sealing plate; 31. an air outlet of the fan; 32. a mounting frame; 33. an air inlet of the fan; 51. a lower air inlet; 61. and (3) a vent hole.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in the following examples.
It will be apparent that the described embodiments are merely some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
In addition to the above terms may be used to denote orientation or positional relationships, other meanings may be used, such as the term "upper" may also be used in some cases to denote some sort of attachment or connection. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-5, in a preferred embodiment of the present utility model, a variable frequency cabinet with good heat dissipation effect includes a cabinet body 1, side portions, a rear portion and a top portion of the cabinet body 1 are respectively provided with a cabinet side plate 11, a cabinet rear plate 12 and a cabinet top plate 13 which are fixedly connected with each other, a mounting plate 2 is arranged in the cabinet body 1, a plurality of components 21 are mounted on the mounting plate 2, an air duct 7 is formed between the mounting plate 2 and the cabinet rear plate 12 at intervals, and side sealing plates 23 which are fixedly connected with the cabinet rear plate 12 in a fitting manner are arranged on two sides of the mounting plate 2, so that the air duct 7 extends vertically, and openings are reserved only on the upper side and the lower side of the mounting plate 2 and the cabinet rear plate 12. The top of air flue 7 is equipped with a plurality of centrifugal fans 3, be equipped with fan air outlet 31 and fan air intake 33 on the centrifugal fan 3, fan air outlet 31 and cabinet back plate 12 are fixed connection mutually, in the vertical upside opening that inserts to air flue 7 of fan air intake 33, fan air outlet 31 and cabinet back plate 12 are fixed connection mutually, be equipped with a plurality of air-out holes 14 that are linked together with fan air outlet 31 on the cabinet back plate 12, cabinet curb plate 11 bottom is equipped with a plurality of air inlets 15 that are linked together with air flue 7 downside opening.
In the working process of the variable frequency cabinet, most of heat is generated from components 21 on the mounting plate 2, after the components 21 generate heat, heat can be firstly transferred to the mounting plate 2, after the centrifugal fan 3 operates, outside air enters the ventilating duct 7 from the air inlet 15 on the cabinet side plate 11, heat on the mounting plate 2 can be taken away in the air flowing process of the ventilating duct 7, and finally hot air enters the outside through the fan air outlet 31 of the centrifugal fan 3, so that heat dissipation circulation is completed. Compared with passive conduction heat dissipation by the cabinet body 1, the centrifugal fan 3 is used for active heat dissipation, so that the heat dissipation efficiency is greatly improved.
In this embodiment, the top of the mounting plate 2 is provided with the upper fan housing 4, the bottom of the mounting plate 2 is also provided with the lower fan housing 5, both the upper fan housing 4 and the lower fan housing 5 incline towards the cabinet body 1 towards the direction away from the cabinet back plate 12, so that the upper opening and the lower opening of the air duct 7 expand upwards and downwards respectively, and the centrifugal fan 3 is arranged above the upper fan housing 4.
Because the space in the frequency conversion cabinet is limited, the front-back width of the ventilating duct 7 between the mounting plate 2 and the cabinet back plate 12 cannot be set to be too wide, and the upper fan housing 4 and the lower fan housing 5 improve the air inlet and the air outlet to a certain extent.
In this embodiment, a partition plate 6 is disposed between the upper fan housing 4 and the centrifugal fan 3, a ventilation hole 61 through which the air inlet 33 of the fan passes is disposed on the partition plate 6, and a plurality of lower air inlets 51 are disposed at the bottom of the lower fan housing 5. The ventilating duct 7 formed among the rear baffle, the mounting plate 2, the upper fan housing 4, the lower fan housing 5 and the side sealing plates 23 is only communicated with the outside through the lower air inlet 51 and the ventilation holes 61, so that the air flow circulation is always ensured to be within a limited range, and the influence of air flow on the components 21 in the frequency conversion cabinet is avoided.
In this embodiment, the inner side surface of the mounting plate 2 is provided with a plurality of cooling fins 22 located in the air duct 7, the cooling fins 22 are spaced apart from each other, the cooling fins 22 increase the contact area between the air duct 7 and the air, and after heat is transferred to the cooling fins 22, the heat is quickly taken away by the air, thereby further increasing the heat dissipation area; the centrifugal fan 3 is provided with a mounting frame 32, and the mounting frame 32 is fixedly connected with the cabinet top plate 13 so as to be convenient to detach and mount.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a frequency conversion cabinet that radiating effect is good, includes the cabinet body (1), be equipped with mutual fixed connection's cabinet curb plate (11), cabinet back plate (12), cabinet roof (13) on the cabinet body (1), be equipped with mounting panel (2) in the cabinet body (1), install a plurality of components and parts (21), its characterized in that on mounting panel (2): mounting panel (2) and cabinet back plate (12) are spaced apart to be formed with air flue (7) between the two, air flue (7) top is equipped with a plurality of centrifugal fans (3), be equipped with fan air intake (33) and fan air outlet (31) on centrifugal fan (3), in fan air intake (33) insert air flue (7) upside opening, fan air outlet (31) are fixed connection with cabinet back plate (12), be equipped with a plurality of air outlet (14) that are linked together with fan air outlet (31) on cabinet back plate (12), cabinet curb plate (11) bottom is equipped with a plurality of inlet (15) that are linked together with air flue (7) downside opening.
2. The variable frequency cabinet of claim 1, wherein: the top of mounting panel (2) is installed and is gone up fan housing (4), it is inclined to keep away from cabinet back plate (12) direction to go up fan housing (4) for air flue (7) upside opening top expansion, centrifugal fan (3) are located the top of last fan housing (4), fan air intake (33) insert to between last fan housing (4) and cabinet back plate (12).
3. A variable frequency cabinet according to claim 2, characterized in that: the bottom of mounting panel (2) still installs down fan housing (5), down fan housing (5) slope towards keeping away from cabinet back plate (12) direction for air flue (7) downside opening expansion downwards is equipped with a plurality of lower air intakes (51) that are linked together with inlet opening (15) in down fan housing (5) bottom.
4. A variable frequency cabinet according to claim 3, characterized in that: side sealing plates (23) are arranged on two sides of the mounting plate (2) to seal side openings among the mounting plate (2), the upper fan housing (4), the lower fan housing (5) and the cabinet rear plate (12).
5. A variable frequency cabinet according to claim 2, characterized in that: a partition plate (6) for separating the upper fan cover (4) from the centrifugal fan (3) is arranged between the upper fan cover (4) and the centrifugal fan (3), and a plurality of ventilation holes (61) for allowing the air inlet (33) of the fan to pass through are formed in the partition plate (6).
6. The variable frequency cabinet of claim 1, wherein: the mounting plate (2) is provided with a plurality of radiating fins (22) positioned in the ventilating duct (7), and the radiating fins (22) are spaced from each other.
7. The variable frequency cabinet of claim 1, wherein: the centrifugal fan (3) is provided with a mounting frame (32), and the mounting frame (32) is fixedly connected with the cabinet top plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322686678.7U CN221103766U (en) | 2023-10-08 | 2023-10-08 | Frequency conversion cabinet with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322686678.7U CN221103766U (en) | 2023-10-08 | 2023-10-08 | Frequency conversion cabinet with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221103766U true CN221103766U (en) | 2024-06-07 |
Family
ID=91327387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322686678.7U Active CN221103766U (en) | 2023-10-08 | 2023-10-08 | Frequency conversion cabinet with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221103766U (en) |
-
2023
- 2023-10-08 CN CN202322686678.7U patent/CN221103766U/en active Active
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