CN211982410U - Frequency converter with independent air duct system and frequency conversion cabinet - Google Patents
Frequency converter with independent air duct system and frequency conversion cabinet Download PDFInfo
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- CN211982410U CN211982410U CN202020984206.3U CN202020984206U CN211982410U CN 211982410 U CN211982410 U CN 211982410U CN 202020984206 U CN202020984206 U CN 202020984206U CN 211982410 U CN211982410 U CN 211982410U
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- frequency converter
- fixing frame
- air outlet
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Abstract
The utility model relates to a converter with independent air duct system, include: converter main part and bellows. The air inlet is arranged at one end of the air inlet cavity, the air outlet is arranged at one side of the air outlet cavity, and the fan is arranged at the air outlet. At least part of the frequency converter main body is installed in the air box, the heat dissipation air channel in the frequency converter main body is located in the air inlet cavity and the air outlet cavity, the air inlet cavity is connected with the air outlet cavity through the heat dissipation air channel in the frequency converter main body, the heat dissipation air channel of the frequency converter is communicated through the air inlet cavity and the air outlet cavity in the air box so as to dissipate heat of the frequency converter, and the fan is arranged at the air outlet of the air outlet cavity to achieve high-power heat dissipation.
Description
Technical Field
The utility model relates to an electromechanical technical field especially relates to a converter and inverter cabinet with independent air duct system.
Background
In the converter construction operation in-process, on-the-spot dust is more under many conditions, and the dust can follow inside even the converter of having got into the frequency conversion cabinet in convulsions radiating process, causes the dust to pile up, seriously influences the radiating effect, influences the converter life-span even. At present, the air cooling mainly adopts a mode of externally connecting a variable-diameter independent air duct on a low-power frequency converter, but the variable-diameter independent air duct has the problems of complex structure, difficulty in disassembly and assembly and low heat dissipation power.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a converter and converter cabinet with independent air duct system aims at solving the problem of dismouting difficulty among the prior art.
(II) technical scheme
In order to solve the above problem, the utility model provides a converter with independent air duct system, include: a frequency converter main body and an air box;
the air box comprises an air inlet cavity and an air outlet cavity, one end of the air inlet cavity is provided with an air inlet, one side of the air outlet cavity is provided with an air outlet, and the air outlet is provided with a fan;
at least part of the frequency converter main body is installed in the air box, the heat dissipation air channel on the frequency converter main body is located in the air inlet cavity and the air outlet cavity, and the air inlet cavity is connected with the air outlet cavity through the heat dissipation air channel on the frequency converter main body.
Preferably, all be provided with the flange around the converter main part, the converter main part pass through the flange with bellows fixed connection.
Preferably, an inlet filter is arranged at the air inlet.
Preferably, the utility model also provides a frequency conversion cabinet, frequency conversion cabinet includes the cabinet body and the foretell converter that has independent duct system, it is internal that bellows install at the cabinet, just the back of the cabinet body be provided with respectively with air intake and air outlet complex hole, the converter main part orientation the front of the cabinet body.
Preferably, two opposite side faces of the cabinet body are provided with a first fixing frame and a second fixing frame, the first fixing frame is located below the second fixing frame, the first fixing frame is provided with a supporting strip for supporting the bellows, and the cross section of the supporting strip is L-shaped.
Preferably, the first fixing frame and the second fixing frame are provided with connecting blocks for fixing the air box.
Preferably, the connecting block includes first side piece and second side piece of mutual fixed connection, first side piece with all run through on the second side piece and be provided with a plurality of waist type holes, first mount with all be equipped with on the second mount with waist type hole matched with internal thread fixed orifices on the first side piece, be equipped with on the bellows with waist type hole matched with internal thread mounting hole on the second side piece.
Preferably, the internal thread fixing holes are respectively arranged on the first fixing frame and the second fixing frame in an array mode.
Preferably, the first side block and the second side block have an included angle of 90 °.
Preferably, a water baffle is arranged above the hole matched with the air outlet on the back surface of the cabinet body.
(III) advantageous effects
The utility model discloses directly install the at least part of converter in the bellows, and the scale of bellows matches with the scale of converter body to make bellows and converter body combine into overall structure, simple structure and easily whole dismouting and transportation. The air inlet cavity and the air outlet cavity in the air box are communicated with a heat dissipation air duct of the frequency converter to dissipate heat of the frequency converter, and the fan is arranged at the air outlet of the air outlet cavity to achieve high-power heat dissipation. Moreover, because the frequency converter is arranged in the air box, the air box only needs to be integrally arranged in the frequency conversion cabinet, and the frequency conversion cabinet is easy to disassemble and assemble.
Drawings
Fig. 1 is an overall schematic diagram of the intermediate frequency converter of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is an overall schematic view of the middle frequency conversion cabinet of the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a cross-sectional view of C-C of FIG. 4;
fig. 6 is an overall schematic view of the connecting block of the present invention;
fig. 7 is an overall schematic view of the support bar of the present invention.
[ description of reference ]
10: a frequency converter; 11: a frequency converter main body; 110: a flange; 12: an air box; 121: an air inlet cavity; 1210: an air inlet; 1211: an inlet filter; 122: an air outlet cavity; 1220: an air outlet; 1221: a fan;
20: a frequency conversion cabinet; 21: a cabinet body; 211: a first fixing frame; 2110: a supporting strip; 212: a second fixing frame; 213: connecting blocks; 2130: a first side block; 2131: a second side block; 2132: a kidney-shaped hole; 214: a water baffle.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 and 2, the utility model provides a converter 10 with independent air duct system, converter 10 with independent air duct system includes: a frequency converter body 11 and a bellows 12. Air inlet 1210 has been seted up to the one end in air inlet chamber 121 and the air-out chamber 122 that bellows 12 includes, and air outlet 1220 has been seted up to one side in air inlet chamber 121, and air outlet 1220 department is provided with fan 1221, sets up fan 1221 and can realize initiative convulsions, accelerates the air convection between the heat dissipation wind channel on air inlet chamber 121, the converter main part 11 and the air-out chamber 122 for the forced air cooling effect is better. At least part of the frequency converter main body 11 is installed in the air box 12, and the heat dissipation air duct on the frequency converter main body 11 is completely located in the air inlet cavity 121 and the air outlet cavity 122, and the air inlet cavity 121 is connected with the air outlet cavity 122 through the heat dissipation air duct on the frequency converter main body 11. Specifically, external air enters through the air inlet 1210, enters the air inlet cavity 121 of the air box 12, enters the heat dissipation air duct of the frequency converter main body 11 to perform air cooling on the frequency converter 10, enters the air outlet cavity 122 of the air box 12, and is finally extracted by the fan 1221 arranged at the air outlet 1220. The whole air flowing process occurs in the air box 12 and the heat dissipation air channel of the frequency converter, and only the part of the frequency converter main body 11 at least comprising the heat dissipation air channel needs to be installed in the air box 12, so that the structure is simple, the installation is easy, and the installation method is multiple. After the frequency converter main body 11 and the air box 12 are installed together, the air box 12 and the frequency converter main body 11 are regarded as a whole, the air box 12 can be regarded as an air cooling radiator of an enlarged version of the frequency converter 10, and high-power heat dissipation is achieved.
Further, the mounting manner between the frequency converter body 11 and the air box 12 may be: all be provided with flange 110 around converter main part 11, converter main part 11 passes through flange 110 and bellows 12 fixed connection, can realize the detachable installation between converter main part 11 and the bellows 12 through the complex mode of flange 110 and fastener. The frequency converter can be separated from the air box 12 only by loosening the fastening piece on the flange 110, so that the frequency converter 10 can be conveniently overhauled in the future. The same mode of welding can also be passed through with bellows 12 and converter fixed connection together, and through the welded mode, the connection between bellows 12 and the converter main part 11 is more firm, is applicable to abominable construction environment. Or the bellows 12 and the frequency converter body 11 may be connected by snap-fitting. The mounting manner between the frequency converter body 11 and the bellows 12 can be selected according to the specific use condition.
Furthermore, the air inlet 1210 is provided with an inlet filter 1211, and the inlet filter 1211 can filter out particles and impurities with a certain size in the air, so that the particles and the impurities are prevented from entering the air inlet cavity 121 along with the air, and then enter a heat dissipation air duct inside the frequency converter, and the service life of the frequency converter 10 is prolonged.
As shown in fig. 3 to 5, the utility model also provides a frequency conversion cabinet 20, frequency conversion cabinet 20 includes the cabinet body 21 and foretell converter 10 that has independent air duct system, bellows 12 is installed in the cabinet body 21, and the back of the cabinet body 21 is provided with respectively with air intake 1210 and air outlet 1220 complex hole, it makes converter 10's heat dissipation channel inside frequency conversion cabinet 20 independent to set up like this, be used for in forcing bellows 12 to keep apart converter main part 11 radiating wind and the interior air of cabinet completely, make in the unable entering frequency conversion cabinet 20 of dust, the heat dissipation of converter can not influence the inside other components and parts of frequency conversion cabinet 20, the life of other components and parts in the frequency conversion cabinet 20 has been prolonged. Meanwhile, the heat dissipation of other components in the frequency conversion cabinet 20 does not affect the heat dissipation of the frequency converter 10, so that the heat dissipation efficiency is increased, and the heat dissipation capacity of the frequency converter is improved. Wherein, the frequency converter main body 11 faces the front of the cabinet 21.
Next, as shown in fig. 5 and 6, two opposite side surfaces of the cabinet 21 are respectively provided with a first fixing frame 211 and a second fixing frame 212, the first fixing frame 211 is located below the second fixing frame 212, the first fixing frame 211 is provided with a supporting strip 2110 for supporting the bellows 12, and the cross section of the supporting strip 2110 is L-shaped. The first fixing frame 211 and the second fixing frame 212 are provided with connecting blocks 213 for fixing the bellows 12.
Then, as shown in fig. 5 to 7, the connecting block 213 includes a first side block 2130 and a second side block 2131 fixedly connected to each other, a plurality of waist-shaped holes 2132 are respectively formed through the first side block 2130 and the second side block 2131, and each of the first fixing frame 211 and the second fixing frame 212 is provided with an internal thread fixing hole matched with the waist-shaped hole 2132 of the first side block 2130, wherein the diameter of the waist-shaped hole 2132 is larger than that of the internal thread fixing hole, so that the waist-shaped hole 2132 and the internal thread fixing hole do not necessarily coincide with each other, and can be fixedly installed by a fastener. The bellows 12 is provided with an internal thread mounting hole matched with the waist-shaped hole 2132 on the second side block 2131, and similarly, the diameter of the waist-shaped hole 2132 is larger than that of the internal thread mounting hole, so that the arrangement ensures that the center lines of the waist-shaped hole 2132 and the internal thread mounting hole are not necessarily overlapped and can be fixedly mounted through a fastener. The bellows 12 is fixed on the first fixing frame 211 and the second fixing frame 212 through the connecting block 213, and the assembling precision requirements among the bellows 12, the connecting block 213, the first fixing frame 211 and the second fixing frame 212 are not high, so that the purposes of simple installation and easy disassembly between the bellows 12 and the cabinet body 21 are achieved. The included angle between the first side block 2130 and the second side block 2131 is 90 degrees, and the connecting block 213 can better fit the air box 12, the first fixing frame 211 and the second fixing frame 212 at the same time, so that the installation between the air box 12 and the cabinet body 21 is firmer.
Finally, the internal thread fixing holes are respectively arranged on the first fixing frame 211 and the second fixing frame 212 in an array mode. The first fixing frame 211 and the second fixing frame 212 can be provided with the frequency converter 10 with different thicknesses, and the practical range is wider. Meanwhile, the water baffle 214 is arranged above the hole matched with the air outlet 1220 on the back surface of the cabinet body 21, so that rainwater is prevented from entering the frequency converter main body 11 from the air inlet 1210 or the air outlet 1220, the use safety is improved, and the service life is prolonged.
It should be understood that the above description of the embodiments of the present invention is only for illustrating the technical lines and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, but the present invention is not limited to the above specific embodiments. All changes and modifications that come within the scope of the claims are to be embraced within their scope.
Claims (10)
1. A frequency converter with independent air duct system, comprising: a frequency converter main body and an air box;
the air box comprises an air inlet cavity and an air outlet cavity, one end of the air inlet cavity is provided with an air inlet, one side of the air outlet cavity is provided with an air outlet, and the air outlet is provided with a fan;
at least part of the frequency converter main body is installed in the air box, the heat dissipation air channel on the frequency converter main body is located in the air inlet cavity and the air outlet cavity, and the air inlet cavity is connected with the air outlet cavity through the heat dissipation air channel on the frequency converter main body.
2. The frequency converter with the independent air duct system according to claim 1, wherein flanges are disposed around the frequency converter main body, and the frequency converter main body is fixedly connected to the air box through the flanges.
3. The frequency converter with independent duct system of claim 1, wherein an inlet filter is disposed at the air inlet.
4. A frequency conversion cabinet, characterized in that, the frequency conversion cabinet comprises a cabinet body and a frequency converter with an independent air duct system according to any one of claims 1 to 3, the air box is installed in the cabinet body, and the back of the cabinet body is respectively provided with holes matched with the air inlet and the air outlet, and the frequency converter main body faces the front of the cabinet body.
5. The frequency conversion cabinet according to claim 4, wherein a first fixing frame and a second fixing frame are further disposed on two opposite side surfaces of the cabinet body, the first fixing frame is located below the second fixing frame, a supporting bar for supporting the air box is disposed on the first fixing frame, and the cross section of the supporting bar is L-shaped.
6. The frequency conversion cabinet according to claim 5, wherein the first fixing frame and the second fixing frame are provided with connecting blocks for fixing the air boxes.
7. The frequency conversion cabinet according to claim 6, wherein the connecting block comprises a first side block and a second side block fixedly connected to each other, a plurality of kidney-shaped holes are formed through the first side block and the second side block, an internal thread fixing hole matched with the kidney-shaped hole formed in the first side block is formed in each of the first fixing frame and the second fixing frame, and an internal thread mounting hole matched with the kidney-shaped hole formed in the second side block is formed in the air box.
8. The variable frequency cabinet according to claim 7, wherein the internally threaded fixing holes are respectively arranged in an array on the first fixing frame and the second fixing frame.
9. The frequency conversion cabinet according to claim 7, wherein the angle between the first side block and the second side block is 90 °.
10. The frequency conversion cabinet according to any one of claims 4 to 9, wherein a water baffle is disposed above the hole on the back of the cabinet body, which is matched with the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020984206.3U CN211982410U (en) | 2020-06-02 | 2020-06-02 | Frequency converter with independent air duct system and frequency conversion cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020984206.3U CN211982410U (en) | 2020-06-02 | 2020-06-02 | Frequency converter with independent air duct system and frequency conversion cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211982410U true CN211982410U (en) | 2020-11-20 |
Family
ID=73371513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020984206.3U Active CN211982410U (en) | 2020-06-02 | 2020-06-02 | Frequency converter with independent air duct system and frequency conversion cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211982410U (en) |
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2020
- 2020-06-02 CN CN202020984206.3U patent/CN211982410U/en active Active
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