CN217336281U - Inverter heat dissipation structure of variable frequency generator set - Google Patents
Inverter heat dissipation structure of variable frequency generator set Download PDFInfo
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- CN217336281U CN217336281U CN202220949679.9U CN202220949679U CN217336281U CN 217336281 U CN217336281 U CN 217336281U CN 202220949679 U CN202220949679 U CN 202220949679U CN 217336281 U CN217336281 U CN 217336281U
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- inverter
- heat dissipation
- generator set
- variable frequency
- frequency generator
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Abstract
The utility model provides a variable frequency generator set dc-to-ac converter heat radiation structure, including dc-to-ac converter body, mounting panel and guide duct. This inverter heat radiation structure of variable frequency generator set utilizes the rotatory negative pressure that produces of impeller, through design mounting panel and wind-guiding drum, under the drainage effect of wind-guiding drum, the cooling air current can be blown to the heat dissipation wind channel from the exhaust vent to realized the cooling to the inverter body, effectively reduced the operating temperature of inverter body, and then improved the radiating effect to the inverter body and the performance at this variable frequency generator set terminal.
Description
Technical Field
The utility model relates to a generator technical field, concretely relates to inverter heat radiation structure of variable frequency generator set.
Background
The variable frequency generator is commonly used in temporary or emergency situations such as field operation, power failure and the like, and generally comprises a frame, a generator, an engine, a control box, an inverter, a silencer, an oil tank and the like. The frequency conversion generator has higher cooling requirements on the generator and the inverter, the inverter is the most important component of the frequency conversion generator set, the inverter can generate a large amount of heat in the working process of the generator set, if the heat dissipation effect of the inverter is poor, when the temperature of the inverter reaches a set protection value, the inverter can automatically trigger the protection function, and the generator set cannot run for a long time according to a certain rated power. Therefore, the heat dissipation effect of the inverter directly influences the overall performance of the variable frequency generator set.
At present, an open-frame variable frequency generator set is generally cooled by leading out air from a pull disc air guide cover, but a sealed air channel is not formed between the pull disc air guide cover and an inverter, so that the heat dissipation effect of the inverter is poor. Therefore, how to improve the heat dissipation effect of the inverter is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a variable frequency generator group dc-to-ac converter heat radiation structure to improve the radiating effect to the dc-to-ac converter.
In order to achieve the purpose, the utility model provides a inverter heat dissipation structure of a variable frequency generator set, which comprises an inverter body, wherein the bottom of the inverter body is provided with a plurality of heat dissipation ribs, and a heat dissipation air channel is formed between two adjacent heat dissipation ribs; the mounting plate is arranged at the bottom of the inverter body, the edge of the mounting plate is bent upwards to form a baffle plate, the baffle plate is arranged on the outer side of the inverter body, and an air outlet hole penetrates through the baffle plate; and one end of the air duct is connected with the air outlet.
Preferably, be provided with reposition of redundant personnel portion on the mounting panel, reposition of redundant personnel portion is close to the exhaust vent, reposition of redundant personnel portion will two at least air-out passageways are separated into to the exhaust vent.
Preferably, the bottom of the inverter body is provided with an avoidance area for avoiding the shunt part, and the avoidance area, the mounting plate and the baffle surround to form a shunt space.
Preferably, two ends of the baffle are respectively bent to form bent parts, and the bent parts extend into the heat dissipation air duct.
Preferably, the air duct is made of an elastic material.
Preferably, the baffle is provided with a connecting cylinder, the connecting cylinder surrounds the air outlet, and the air guide cylinder is connected with the connecting cylinder.
Preferably, the outer wall of the connecting cylinder is provided with two connecting lugs, the air guide cylinder is sleeved outside the connecting cylinder, and the air guide cylinder is provided with two first mounting holes matched with the connecting lugs.
Preferably, one end of the air duct, which is far away from the baffle, is provided with a connecting flange, and the connecting flange is provided with a plurality of second mounting holes.
Preferably, the air duct is provided with an extension portion protruding from the connection flange.
Preferably, a plurality of third mounting holes are formed in the mounting plate, a plurality of positioning columns matched with the third mounting holes are arranged at the bottom of the inverter body, and fourth mounting holes are formed in the positioning columns.
The utility model has the advantages that:
the utility model discloses a variable frequency generator set dc-to-ac converter heat radiation structure utilizes the rotatory negative pressure that produces of impeller, through design mounting panel and ventilating duct, under the drainage effect of ventilating duct, the cooling air current can be blown to the radiating duct from the exhaust vent in to realized the cooling to the dc-to-ac converter body, effectively reduced the operating temperature of dc-to-ac converter body, and then improved the radiating effect to the dc-to-ac converter body and the performance at this variable frequency generator set terminal.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a heat dissipation structure of an inverter of a variable frequency generator set according to an embodiment of the present invention;
FIG. 2 is a schematic view of the mounting plate;
FIG. 3 is a schematic structural view of an air duct;
FIG. 4 is a schematic view of the mounting plate and the air duct;
FIG. 5 is a schematic structural view of the bottom of the inverter body;
FIG. 6 is a schematic view of the air duct and the housing;
fig. 7 is a schematic view of the air flow as it exits the outlet opening.
Reference numerals are as follows:
10-an inverter body, 11-a heat dissipation rib, 12-a heat dissipation air duct, 13-an avoidance area and 14-a positioning column;
20-mounting plate, 21-baffle, 22-air outlet, 23-air outlet channel, 24-bending part, 25-connecting cylinder, 26-connecting lug and 27-third mounting hole;
30-air duct, 31-first mounting hole, 32-connecting flange, 33-second mounting hole, 34-extension;
40-a shunt part and 41-a wind guiding rib;
50-a flow-splitting space;
60-a housing;
and 70-pulling the disc.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 7, in an embodiment of the present invention, a heat dissipation structure for an inverter of a variable frequency generator set is provided, which includes an inverter body 10, a mounting plate 20 and an air duct 30.
The inverter body 10 is installed on a rack (not shown in the drawing) of the variable frequency generator set, a plurality of heat dissipation ribs 11 are arranged at the bottom of the inverter body 10, two adjacent heat dissipation ribs 11 are arranged in parallel, and a heat dissipation air duct 12 is formed between the two adjacent heat dissipation ribs 11. The bottom at inverter body 10 is installed to mounting panel 20, and the border of mounting panel 20 is upwards buckled and is formed with baffle 21, and baffle 21 sets up in inverter body 10's the outside, and baffle 21 runs through there is exhaust vent 22. An air inlet hole is formed in a shell 60 of the variable frequency generator set, one end of the air guide cylinder 30 is connected with the air outlet hole 22, and the other end of the air guide cylinder 30 is connected with the air inlet hole.
When the engine of the variable frequency generator set runs, the impeller is driven to rotate to generate negative pressure, outside air enters the shell 60 through the pull disc 70, and partial air flow is guided to the air outlet 22 under the drainage action of the air duct 30. Referring to fig. 7, arrows in the drawing indicate the flow direction of the air flow, since the mounting plate 20 is mounted at the bottom of the heat dissipating ribs 11, and the baffle 21 is disposed at the outer side of the inverter body 10, after the air flow is blown out from the air outlet 22, the air flow is blown into the heat dissipating air duct 12 and can only flow along the heat dissipating air duct 12 under the blocking of the mounting plate 20 and the baffle 21, and in this process, the air flow takes away most of the heat generated during the operation of the inverter body 10, thereby cooling the inverter body 10.
According to the inverter heat dissipation structure of the variable-frequency generator set, negative pressure is generated by rotation of the impeller, and under the drainage effect of the air duct 30, cooling air flow can be blown to the heat dissipation air duct 12 from the air outlet 22 through the design of the installation plate 20 and the air duct 30, so that the inverter body 10 is cooled, the working temperature of the inverter body 10 is effectively reduced, and the heat dissipation effect of the inverter body 10 and the performance of a terminal of the variable-frequency generator set are improved.
In one embodiment, the flow dividing portion 40 is disposed on the mounting plate 20, the flow dividing portion 40 is close to the air outlet 22, and the air outlet 22 is divided into at least two air outlet channels 23 by the flow dividing portion 40. Specifically, the flow dividing portion 40 includes two air guiding ribs 41, the two air guiding ribs 41 are vertically arranged on the mounting plate 20, and an included angle between the air guiding rib 41 and the baffle 21 is an acute angle. Two wind guiding bars 41 will separate into three air-out passageway 23 with exhaust vent 22, blow out the back from exhaust vent 22 when the air current, under two wind guiding bar 41's reposition of redundant personnel effect, thereby the air current can be separated by wind guiding bar 41 and blow respectively to three air-out passageway 23, so, through the monitoring or the experiment to inverter body 10, and to wind guiding bar 41 quantity, arrange the adjustment of angle and interval etc., just can guide the high region of inverter body 10 operating temperature with most air current, and guide the low region of inverter body 10 operating temperature with few air currents, so, through design reposition of redundant personnel portion 40, just can the limited amount of wind of reasonable distribution, thereby reach the utilization to the optimization of the amount of wind.
In one embodiment, the bottom of the inverter body 10 is provided with an avoidance area 13 avoiding the shunt part 40, and the avoidance area 13 forms a shunt space 50 by surrounding the mounting plate 20 and the baffle 21. When installing mounting panel 20 in the bottom of inverter body 10, dodge regional 13 and can be time to dodging of reposition of redundant personnel portion 40, after the installation, dodge regional 13 and mounting panel 20 and baffle 21 surround and form reposition of redundant personnel space 50, after the air current blows out from exhaust vent 22, under the reposition of redundant personnel effect of reposition of redundant personnel portion 40, stranded air current can blow respectively to in the reposition of redundant personnel space 50, then, flow to the scattered wind channel 12 of the great majority from reposition of redundant personnel space 50 again to the cooling to inverter body 10 has been realized.
Therefore, the design of the avoiding region 13 enables the airflow to flow into the shunting space 50 firstly after being shunted by the shunting portion 40, and then to be redistributed to most of the heat dissipation air ducts 12, so that the airflow enters the heat dissipation air ducts 12 as much as possible, thereby improving the heat dissipation effect on the inverter body 10.
In one embodiment, the two ends of the baffle 21 are respectively bent to form bent portions 24, and the bent portions 24 extend into the heat dissipation duct 12. The design of the bent portion 24 will improve the covering effect of the mounting plate 20 and the baffle 21 on the heat dissipation rib 11, so as to make the airflow enter the heat dissipation air duct 12 as much as possible, thereby reducing the loss of the cooling airflow.
In one embodiment, the air guide duct 30 is made of an elastic material, such as a rubber material. Since the inverter body 10 is mounted on the rack and the air duct 30 is connected to the casing 60 of the inverter generator set, vibration is inevitably generated during operation of the inverter generator set, and therefore, by designing the air duct 30 to be made of an elastic material, even if the casing 60 vibrates when the baffle 21 and the casing 60 are connected to the air duct 30, the connection between the air duct 30 and the casing 60 and the baffle 21 is always stable.
In one embodiment, in order to improve the stability of the connection between the air duct 30 and the baffle 21 and facilitate the installation and removal, the baffle 21 is provided with a connecting tube 25, the connecting tube 25 surrounds the air outlet 22, the connecting tube 25 extends towards the side away from the heat dissipating rib 11, and the air duct 30 is connected with the connecting tube 25.
In one embodiment, the outer wall of the connecting cylinder 25 is provided with two connecting lugs 26, the air guiding cylinder 30 is sleeved outside the connecting cylinder 25, and the air guiding cylinder 30 is provided with two first mounting holes 31 matched with the connecting lugs 26. Because the air duct 30 is made of elastic material, the air duct 30 has a certain deformation, and therefore, the stable connection between the air duct 30 and the connecting tube 25 can be realized only by respectively clamping the two first mounting holes 31 into the two connecting lugs 26.
In one embodiment, an end of the air duct 30 remote from the baffle 21 is provided with a connecting flange 32, and the connecting flange 32 is provided with a plurality of second mounting holes 33. The design of the connecting flange 32 can increase the effective contact area of the connecting portion of the air duct 30 and the casing 60, while the design of the second mounting hole 33 is convenient for connecting the connecting flange 32 and the casing 60, and of course, the casing 60 is also correspondingly provided with a fifth mounting hole matched with the second mounting hole 33, so as to be connected by using a bolt or a buckle in the following process.
In one embodiment, referring to fig. 3 and 6, the air duct 30 is provided with an extension 34, the extension 34 protruding from the connection flange 32. When the connecting flange 32 is tightly attached to the casing 60, the extending portion 34 extends into the air inlet of the casing 60, so that after the impeller rotates to generate negative pressure, the outside air enters the casing 60 through the pull plate 70, and a part of the air flow enters the air duct 30 through the extending portion 34 and is guided to the air outlet 22. The extension portion 34 and the connecting flange 32 are engaged with each other, so that the air flow can be prevented from escaping from the gap between the air guiding duct 30 and the air inlet hole, thereby improving the utilization efficiency of the limited air flow.
In one embodiment, in order to achieve the fastening connection between the mounting plate 20 and the inverter body 10, a plurality of third mounting holes 27 are formed on the mounting plate 20, a plurality of positioning pillars 14 matched with the third mounting holes 27 are formed at the bottom of the inverter body 10, and a fourth mounting hole is formed in the positioning pillar 14.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. The utility model provides a frequency conversion generating set dc-to-ac converter heat radiation structure which characterized in that: the method comprises the following steps:
the bottom of the inverter body is provided with a plurality of radiating ribs, and a radiating air duct is formed between every two adjacent radiating ribs;
the mounting plate is arranged at the bottom of the inverter body, the edge of the mounting plate is bent upwards to form a baffle plate, the baffle plate is arranged on the outer side of the inverter body, and an air outlet hole penetrates through the baffle plate; and
and one end of the air duct is connected with the air outlet.
2. The inverter heat dissipation structure of a variable frequency generator set of claim 1, wherein: be provided with reposition of redundant personnel portion on the mounting panel, reposition of redundant personnel portion is close to the exhaust vent, reposition of redundant personnel portion will two at least air-out passageways are separated into to the exhaust vent.
3. The inverter heat dissipation structure of the inverter generator set of claim 2, wherein: the bottom of the inverter body is provided with an avoidance area for avoiding the shunt part, and the avoidance area, the mounting plate and the baffle surround to form a shunt space.
4. The inverter heat dissipation structure of a variable frequency generator set of claim 3, wherein: and two ends of the baffle are respectively bent to form bent parts, and the bent parts extend into the heat dissipation air duct.
5. The inverter heat dissipation structure of the variable frequency generator set according to any one of claims 1 to 4, wherein: the air duct is made of elastic materials.
6. The inverter heat dissipation structure of a variable frequency generator set of claim 5, wherein: the baffle is provided with a connecting cylinder, the air outlet hole is surrounded by the connecting cylinder, and the air guide cylinder is connected with the connecting cylinder.
7. The inverter heat dissipation structure of a variable frequency generator set of claim 6, wherein: the outer wall of the connecting cylinder is provided with two connecting lugs, the air guide cylinder is sleeved outside the connecting cylinder, and the air guide cylinder is provided with two first mounting holes matched with the connecting lugs.
8. The inverter heat dissipation structure of a variable frequency generator set of claim 5, wherein: and a connecting flange is arranged at one end of the air duct, which is far away from the baffle, and a plurality of second mounting holes are formed in the connecting flange.
9. The inverter heat dissipation structure of a variable frequency generator set of claim 8, wherein: the air duct is provided with an extension portion protruding out of the connecting flange.
10. The inverter heat dissipation structure of a variable frequency generator set of claim 1, wherein: be provided with a plurality of third mounting holes on the mounting panel, the bottom of dc-to-ac converter body be provided with a plurality ofly with third mounting hole matched with reference column, the fourth mounting hole has been seted up to the reference column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220949679.9U CN217336281U (en) | 2022-04-22 | 2022-04-22 | Inverter heat dissipation structure of variable frequency generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220949679.9U CN217336281U (en) | 2022-04-22 | 2022-04-22 | Inverter heat dissipation structure of variable frequency generator set |
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| Publication Number | Publication Date |
|---|---|
| CN217336281U true CN217336281U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220949679.9U Active CN217336281U (en) | 2022-04-22 | 2022-04-22 | Inverter heat dissipation structure of variable frequency generator set |
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| CN (1) | CN217336281U (en) |
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- 2022-04-22 CN CN202220949679.9U patent/CN217336281U/en active Active
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