CN203800807U - Frequency converter with dual-air duct structure - Google Patents
Frequency converter with dual-air duct structure Download PDFInfo
- Publication number
- CN203800807U CN203800807U CN201420215391.4U CN201420215391U CN203800807U CN 203800807 U CN203800807 U CN 203800807U CN 201420215391 U CN201420215391 U CN 201420215391U CN 203800807 U CN203800807 U CN 203800807U
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- China
- Prior art keywords
- frequency converter
- air
- cooling
- air inlet
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 claims abstract description 84
- 230000008676 import Effects 0.000 claims description 39
- 238000001914 filtration Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a frequency converter with a dual-air duct structure, which comprises a frequency converter cabinet and a frequency converter body. The lower part position of the front side face of the frequency converter body is provided with a first cooling air inlet and a second cooling air inlet; the cabinet door is provided with a first air inlet; an air duct cover plate is arranged between the first air inlet and the first cooling air inlet; the first air inlet, the air duct cover plate, the first cooling air inlet and the first air outlet which are sequentially communicated form the first air duct of the frequency converter; the cabinet door is also provided with a second air inlet, and a second air outlet is arranged on the cabinet door above the second air inlet; and the second air inlet, the second cooling air inlet and the second air outlet which are sequentially communicated form the second air duct of the frequency converter. According to the frequency converter with a dual-air duct structure, the temperature inside the frequency converter can drop effectively, and the service life of the frequency converter is prolonged.
Description
Technical field
The utility model relates to a kind of frequency converter, particularly a kind of frequency converter with Double-ventilation-channel structure.
Background technology
Along with the total digitalization of miniaturization, multifunction and high performance, the especially control device of frequency converter, the flexibility of frequency converter and adaptability are in continuous enhancing.Therefore, in contemporary industry, the utilization of frequency converter is more and more extensive, and current nearly all big-power transducer all adopts cabinet type design, and case frequency converter has simple in structure, applying flexible is convenient to and the features such as complete power distribution equipment group cabinet.
But the exponential failure law of frequency converter raises and rises with temperature, also raise and decline with temperature useful life.In the middle of work, in the time that ambient temperature rising 10 is spent, will reduce by half the useful life of frequency converter, and therefore, the ventilation of frequency-charger cabinet, heat dissipation problem enjoy industry to pay close attention to always.
The cooling means of existing case frequency converter, it is mainly the Air Flow that drives frequency converter body interior by the cooling blower of frequency converter body interior, thereby reach the object to frequency converter cooling, or offer ventilating window in the cabinet door of frequency converter cabinet, but can not meeting frequency converter, simple ventilating window is reduced to required temperature.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of frequency converter with Double-ventilation-channel structure.This frequency converter with Double-ventilation-channel structure can shed the heat of frequency converter inside to outside frequency converter cabinet timely, and the temperature of frequency converter inside is effectively declined, also increased simultaneously frequency converter degree of safety, extended its useful life.
For solving the problems of the technologies described above, the utility model adopts following technical proposals:
Have a frequency converter for Double-ventilation-channel structure, described frequency converter comprises frequency converter cabinet and is arranged on the frequency converter main body of described frequency converter cabinet inside; In described frequency converter main body, be provided with the first cooling blower and the second cooling blower;
The lower position of described frequency converter main body leading flank is provided with the first cooling air import being connected with the first cooling blower, and the second cooling air import being connected with the second cooling blower; The end face of described frequency converter cabinet is provided with the first air outlet being connected with described the first cooling blower;
Described the second cooling air import is positioned at the top position of described the first cooling air import;
The front panel of described frequency converter cabinet is cabinet door, and described cabinet door is provided with the first air inlet matching with the first cooling air entrance location, between this first air inlet and described the first cooling air import, is provided with air channel cover plate;
The cabinet door inner panel at wherein one end port of described air channel cover plate and the first air inlet mouth edge is tightly connected, on the frame that is crimped on described the first cooling air import of the other end port match of described air channel cover plate;
The first air inlet, air channel cover plate, the first cooling air import and the first air outlet that are communicated with successively setting have formed the first air duct of described frequency converter;
In the time that frequency converter is worked, the first cooling blower in the first air duct in frequency converter main body sucks frequency converter body interior by the cooling-air outside frequency converter cabinet by the first air inlet, air channel cover plate and the first cooling air import; Utilize the principle of hot air rising, cooling-air is absorbing after the heat of frequency converter body interior, and the first air outlet being provided with from the end face of frequency converter cabinet is discharged; The effect that wherein utilizes air channel cover plate to connect the first air inlet and cooling air import is to make the first cooling blower can directly from frequency converter cabinet, extract the lower cooling-air of temperature outside rack, thereby reach frequency converter fast cooling object, avoided the hot-air of frequency converter cabinet inside to enter frequency converter body interior.
In described cabinet door, be also provided with the second air inlet matching with the second cooling air entrance location, the cabinet door of this second air inlet top is provided with the second air outlet being connected with the second cooling blower;
The second air inlet, the second cooling air import and the second air outlet that are communicated with successively setting have formed the second air duct of described frequency converter.
The second air duct can make hot-air between frequency converter main body and frequency converter cabinet and the hot-air of frequency converter body interior, can with frequency converter cabinet outside cooling-air exchanged, thereby reduce the temperature in frequency converter cabinet.Described the second air duct, when the first air duct is to the cooling of frequency converter main body, also carries out radiating and cooling for frequency converter main body.
Further, described the second air inlet is arranged on the lower position of described cabinet door, and is positioned at the top of the first air inlet.
Further, on the dismountable medial surface that is arranged on frequency converter cabinet rear board of described frequency converter main body.
Further, the frame of described the first cooling air import is provided with seal trim strip, being crimped on described seal trim strip of the other end port match of described air channel cover plate.
Further, in the first cooling air import He on the second air inlet, be provided with filtration gauze.Filter gauze and can filter out part particle and bulky grain dust, make the fan of the first cooling blower of frequency converter body interior and the fan of the second cooling blower all keep clean.
Further, on described the second air outlet, be provided with ventilating fan.The effect of ventilating fan is to increase flowing of the interior hot-air of the second air duct, accelerates the heat radiation of frequency converter.
The utility model utilization arranges air channel cover plate in the first air duct, utilize air channel cover plate to connect the first air inlet and the first cooling air import, can make the first cooling blower can directly from frequency converter cabinet, extract the lower cooling-air of temperature outside rack, thereby reach frequency converter main body fast cooling object, avoided the hot-air of frequency converter cabinet inside to enter frequency converter body interior.The second air duct can make the hot-air between frequency converter main body and frequency converter cabinet, and the hot-air of frequency converter body interior, can with frequency converter cabinet outside cooling-air exchanged, thereby reduce the temperature in frequency converter cabinet.Described the second air duct, when the first air duct is to the cooling of frequency converter main body, also carries out radiating and cooling for frequency converter main body.
Between the first air duct and the second air duct, do not influence each other, independent ventilation, and can be fast, timely the heat of frequency converter inside is shed outside frequency converter cabinet, the temperature of frequency converter inside is effectively declined; Also increased simultaneously frequency converter degree of safety, extended its useful life.
Brief description of the drawings
Fig. 1 is the main TV structure letter view of frequency converter main body in the utility model.
Fig. 2 is the main TV structure letter view of frequency converter cabinet in the utility model.
Fig. 3 is the schematic diagram that coordinates of frequency converter main body and frequency converter cabinet in the utility model.
Fig. 4 is the cabinet door structure schematic diagram of frequency converter cabinet in the utility model.
Fig. 5 is the schematic diagram that in the utility model, the first air duct and the second air duct ventilate.
Embodiment
Below in conjunction with brief description of the drawings embodiment of the present utility model.
As shown in Fig. 1 to 5, a kind of frequency converter with Double-ventilation-channel structure, described frequency converter comprises frequency converter cabinet 1 and is arranged on the frequency converter main body 2 of described frequency converter cabinet 1 inside, on the dismountable medial surface that is arranged on frequency converter cabinet 1 rear board of described frequency converter main body 2; In described frequency converter main body 2, be provided with the first cooling blower and the second cooling blower.
The lower position of described frequency converter main body 2 leading flanks is provided with the first cooling air import 21 being connected with the first cooling blower, and the second cooling air import 22 being connected with the second cooling blower; The end face of described frequency converter cabinet 1 is provided with the first air outlet 23 being connected with described the first cooling blower;
Described the second cooling air import 22 is positioned at the top position of described the first cooling air import 21;
The front panel of described frequency converter cabinet 1 is cabinet door 11, and described cabinet door 11 is provided with the first air inlet 111 matching with the first cooling air import 21 positions, between this first air inlet 111 and described the first cooling air import 21, is provided with air channel cover plate 3; The frame of described the first cooling air import 21 is provided with seal trim strip 6, cabinet door 11 inner panel at wherein one end port of described air channel cover plate 3 and first 111 mouthfuls of edges of air inlet are tightly connected, on the seal trim strip 6 that the frame that is crimped on described the first cooling air import 21 of the other end port match of described air channel cover plate 3 is provided with.
The first air inlet 111, air channel cover plate 3, the first cooling air import 21 and the first air outlet 23 that are communicated with successively setting have formed the first air duct 4 of described frequency converter;
In the time that frequency converter is worked, the first cooling blower in the first air duct 4 in frequency converter main body 2 sucks frequency converter main body 2 inside by the cooling-air outside frequency converter cabinet 1 by the first air inlet 111, air channel cover plate 3 and the first cooling air import 21; Utilize the principle of hot air rising, cooling-air is absorbing after the heat of frequency converter main body 2 inside, and the first air outlet 23 being provided with from the end face of frequency converter cabinet 1 is discharged; The effect that wherein utilizes air channel cover plate 3 to connect the first air inlet 111 and cooling air import 21 be make the first cooling blower can be directly from frequency converter cabinet 1 the lower cooling-air of temperature outside extraction rack, thereby reach frequency converter fast cooling object, avoided the hot-air of frequency converter cabinet 1 inside to enter frequency converter main body 2 inside.
In described cabinet door 11, be also provided with the second air inlet 112 matching with the second cooling air import 22 positions, the cabinet door 11 of these the second air inlet 112 tops is provided with the second air outlet 113 being connected with the second cooling blower;
The second air inlet 112, the second cooling air import 22 and the second air outlet 113 that are communicated with successively setting have formed the second air duct 5 of described frequency converter.
The second air duct 5 can make the hot-air between frequency converter main body 2 and frequency converter cabinet 1, and the hot-air of frequency converter main body 2 inside, can with frequency converter cabinet 1 outside cooling-air exchanged, thereby reduce the temperature in frequency converter cabinet 1.Described the second air duct 5, when the first air duct 4 is lowered the temperature to frequency converter main body 2, also carries out radiating and cooling for frequency converter main body 2.
Further, described the second air inlet 112 is arranged on the lower position of described cabinet door 11, and is positioned at the top of the first air inlet 111; Described the second air outlet 113 is arranged on the upper position of described cabinet door 11.In described the first cooling air import 21 He on the second air inlet 112, be provided with filtration gauze.Filter gauze and can filter out part particle and bulky grain dust, make the fan of the first cooling blower of frequency converter main body 2 inside and the fan of the second cooling blower all keep clean.
As further improved embodiment, on described the second air outlet 113, be provided with ventilating fan 7.Ventilating fan 7 can increase flowing of the second air duct 5 interior hot-airs, accelerates the heat radiation of frequency converter.
The word in the description orientation that adopted herein " on ", D score, " left side ", " right side " etc. are all convenience in order to illustrate based on the orientation shown in drawing in accompanying drawing, in actual device, these orientation may be different due to the disposing way of device.
In sum, execution mode described in the utility model only provides a kind of execution mode of the best, technology contents of the present utility model and technical characterstic disclose as above, but are familiar with the content that the personage of the technology still may disclose based on the utility model and do various replacement and the modifications that do not deviate from creation spirit of the present invention; Therefore, protection range of the present utility model is not limited to the technology contents that embodiment discloses, therefore all equivalences of doing according to shape of the present utility model, structure and principle change, is all encompassed in protection range of the present utility model.
Claims (6)
1. a frequency converter with Double-ventilation-channel structure, is characterized in that: described frequency converter comprises frequency converter cabinet (1) and is arranged on the inner frequency converter main body (2) of described frequency converter cabinet (1); In described frequency converter main body (2), be provided with the first cooling blower and the second cooling blower;
The lower position of described frequency converter main body (2) leading flank is provided with the first cooling air import (21) being connected with the first cooling blower, and the second cooling air import (22) being connected with the second cooling blower; The end face of described frequency converter cabinet (1) is provided with the first air outlet (23) being connected with described the first cooling blower;
Described the second cooling air import (22) is positioned at the top position of described the first cooling air import (21);
The front panel of described frequency converter cabinet (1) is cabinet door (11), described cabinet door (11) is provided with the first air inlet (111) matching with the first cooling air import (21) position, between this first air inlet (111) and described the first cooling air import (21), is provided with air channel cover plate (3);
Cabinet door (11) inner panel at wherein one end port of described air channel cover plate (3) and the first air inlet (111) mouthful edge is tightly connected, on the frame that is crimped on described the first cooling air import (21) of the other end port match of described air channel cover plate (3);
The first air inlet (111), air channel cover plate (3), the first cooling air import (21) and the first air outlet (23) that are communicated with successively setting have formed first air duct (4) of described frequency converter;
In described cabinet door (11), be also provided with the second air inlet (112) matching with the second cooling air import (22) position, the cabinet door (11) of this second air inlet (112) top is provided with the second air outlet (113) being connected with the second cooling blower;
The second air inlet (112), the second cooling air import (22) and the second air outlet (113) that are communicated with successively setting have formed second air duct (5) of described frequency converter.
2. a kind of frequency converter with Double-ventilation-channel structure according to claim 1, it is characterized in that: described the second air inlet (112) is arranged on the lower position of described cabinet door (11), and be positioned at the top of the first air inlet (111).
3. a kind of frequency converter with Double-ventilation-channel structure according to claim 1, is characterized in that: on the dismountable medial surface that is arranged on frequency converter cabinet (1) rear board of described frequency converter main body (2).
4. a kind of frequency converter with Double-ventilation-channel structure according to claim 1, it is characterized in that: the frame of described the first cooling air import (21) is provided with seal trim strip (6) being crimped on described seal trim strip (6) of the other end port match of described air channel cover plate (3).
5. a kind of frequency converter with Double-ventilation-channel structure according to claim 1, is characterized in that: described the first cooling air import (21) above and on the second air inlet (112) is provided with filtration gauze.
6. according to a kind of frequency converter with Double-ventilation-channel structure described in arbitrary claim in claim 1 to 5, it is characterized in that: on described the second air outlet (113), be provided with ventilating fan (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215391.4U CN203800807U (en) | 2014-04-29 | 2014-04-29 | Frequency converter with dual-air duct structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215391.4U CN203800807U (en) | 2014-04-29 | 2014-04-29 | Frequency converter with dual-air duct structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203800807U true CN203800807U (en) | 2014-08-27 |
Family
ID=51382994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420215391.4U Expired - Lifetime CN203800807U (en) | 2014-04-29 | 2014-04-29 | Frequency converter with dual-air duct structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203800807U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377937A (en) * | 2014-11-27 | 2015-02-25 | 中国石油天然气股份有限公司 | Outdoor frequency conversion cabinet |
| CN105392339A (en) * | 2015-11-17 | 2016-03-09 | 许继集团有限公司 | Electrical cabinet heat radiating device and electrical cabinet using same |
| CN112953169A (en) * | 2021-03-08 | 2021-06-11 | 沃德威派格(北京)科技有限公司 | Frequency converter with bidirectional ventilation structure |
-
2014
- 2014-04-29 CN CN201420215391.4U patent/CN203800807U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377937A (en) * | 2014-11-27 | 2015-02-25 | 中国石油天然气股份有限公司 | Outdoor frequency conversion cabinet |
| CN105392339A (en) * | 2015-11-17 | 2016-03-09 | 许继集团有限公司 | Electrical cabinet heat radiating device and electrical cabinet using same |
| CN105392339B (en) * | 2015-11-17 | 2018-07-06 | 许继集团有限公司 | Electrical cabinet |
| CN112953169A (en) * | 2021-03-08 | 2021-06-11 | 沃德威派格(北京)科技有限公司 | Frequency converter with bidirectional ventilation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |