CN217087754U - Waterproof frequency converter - Google Patents
Waterproof frequency converter Download PDFInfo
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- CN217087754U CN217087754U CN202220841983.1U CN202220841983U CN217087754U CN 217087754 U CN217087754 U CN 217087754U CN 202220841983 U CN202220841983 U CN 202220841983U CN 217087754 U CN217087754 U CN 217087754U
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- frequency converter
- waterproof
- heat dissipation
- casing
- plate
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Abstract
The utility model provides a waterproof converter relates to frequency conversion equipment's technical field, waterproof converter, including the converter casing, the lower extreme of converter casing is provided with the fresh air inlet that corresponds with the radiator, radiator fan makes the air follow the fresh air inlet enters into in the converter casing and follow the louvre is discharged. The utility model provides a waterproof frequency converter's converter casing sets up fresh air inlet and louvre corresponding with the radiator respectively, and the fresh air inlet sets up at the lower extreme of converter casing, and the louvre sets up in the upper end of converter casing; when the air enters the frequency converter shell, the air is subjected to heat exchange at the radiator, the air is discharged from the heat dissipation holes after being heated, the arrangement can prevent moisture from gathering at the upper end of the frequency converter shell to form water drops to enter the frequency converter shell, and the heat dissipation holes and the air inlet holes correspond to each other in an arrangement mode, so that the air can be discharged from the air inlet holes under the action of gravity even if the water enters the heat dissipation holes.
Description
Technical Field
The utility model belongs to the technical field of the technique of frequency conversion equipment and specifically relates to a waterproof converter is related to.
Background
The frequency converter controls the power control device of the alternating current motor by changing the frequency mode of the working power supply of the motor; the environment of the frequency converter is related to the environment of the controlled equipment; when the frequency converter is in a severe environment, the frequency converter is required to have a better protection grade, and then the frequency converter can be used in a humid and dusty environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof converter to alleviate the technical problem of the unable environment that adapts to humidity, dust are big of converter.
The utility model provides a waterproof frequency converter, which comprises a frequency converter shell, wherein a radiator is arranged in the frequency converter shell; the upper end of the frequency converter shell is provided with heat dissipation holes corresponding to the heat radiator, and a heat dissipation fan corresponding to the heat dissipation holes is arranged in the frequency converter shell;
the lower end of the frequency converter shell is provided with an air inlet hole corresponding to the radiator, and the heat dissipation fan enables air to enter the frequency converter shell from the air inlet hole and to be discharged from the heat dissipation holes.
In an optional embodiment, the frequency converter housing comprises a first housing, a second housing and a cover plate which are arranged in sequence; the air inlet and the radiating holes are correspondingly arranged at the upper end and the lower end of the first machine shell, and the radiator and the radiating fan are arranged in the first machine shell.
In an optional implementation manner, the frequency converter further comprises a frequency converter main body, the frequency converter main body is arranged in the second casing, a waterproof connector lug is arranged at the lower end of the second casing, and the frequency converter main body performs data transmission through the waterproof connector lug.
In an optional implementation manner, the heat sink includes a plurality of heat dissipation fins and a heat conduction plate, the heat conduction plate is provided with the plurality of heat dissipation fins, and is connected with the frequency converter main body, the heat dissipation fins are located in the first casing, and the heat conduction plate is located in the second casing.
In an alternative embodiment, a plurality of the heat dissipating fins form a fin group, and a heat conducting plate portion between an edge of the fin group and an edge of the heat conducting plate forms a blocking plate.
In an alternative embodiment, the heat sink is disposed on the heat conducting plate along a direction from the heat dissipation hole to the air inlet hole.
In an optional embodiment, a side surface of the second housing is provided with a mounting opening, a mounting plate is arranged on the periphery of the mounting opening, the cover plate is arranged on the mounting plate, and a sealing rubber strip is arranged between the mounting plate and the cover plate.
In an alternative embodiment, the cover plate is provided with an operation opening, and a sealing adhesive film is arranged on the operation opening.
In an optional embodiment, an upper fixing plate is disposed at an upper end of the first housing, a lower fixing plate is disposed at a lower end of the first housing, and the upper fixing plate and the lower fixing plate are both disposed at an end of the first housing far away from the second housing.
In an optional embodiment, the upper fixing plate is provided with a hanging hole, and the lower fixing plate is provided with a clamping opening.
The utility model provides a waterproof frequency converter's converter casing sets up fresh air inlet and louvre corresponding with the radiator respectively, and the fresh air inlet sets up at the lower extreme of converter casing, and the louvre sets up in the upper end of converter casing; when the air enters the frequency converter shell, the air is subjected to heat exchange at the radiator, the air is discharged from the heat dissipation holes after being heated, the arrangement can prevent moisture from gathering at the upper end of the frequency converter shell to form water drops to enter the frequency converter shell, and the heat dissipation holes and the air inlet holes correspond to each other in an arrangement mode, so that the air can be discharged from the air inlet holes under the action of gravity even if the water enters the heat dissipation holes.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a waterproof frequency converter provided in an embodiment of the present invention;
FIG. 2 is a right side view of the watertight frequency converter of FIG. 1;
FIG. 3 is a bottom view of the waterproof transducer of FIG. 1;
FIG. 4 is a top view of the waterproof transducer of FIG. 1;
fig. 5 is an exploded view of the watertight inverter shown in fig. 1.
Icon: 100-a frequency converter housing; 101-a first housing; 102-a second housing; 103-a cover plate; 200-waterproof connector lug; 300-sealing and pasting the film; 400-sealing adhesive tape; 500-hanging holes; 600-clamping the opening; 700-a heat dissipation fan; 800-operation port; 900-a heat sink; 901-a heat sink; 902-a thermally conductive plate; 110-heat dissipation holes; 120-air inlet holes; 130-a mounting plate; 140-mounting port.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-5, the utility model provides a waterproof frequency converter, which comprises a frequency converter shell 100, wherein a radiator 900 is arranged in the frequency converter shell 100; heat dissipation holes 110 corresponding to the heat sink 900 are formed in the upper end of the inverter casing 100, and a heat dissipation fan 700 corresponding to the heat dissipation holes 110 is formed in the inverter casing 100;
an air inlet hole 120 corresponding to the heat sink 900 is disposed at the lower end of the inverter housing 100, and the heat dissipation fan 700 allows air to enter the inverter housing 100 through the air inlet hole 120 and to be discharged through the heat dissipation hole 110.
In some embodiments, the frequency converter casing 100 of the waterproof frequency converter is provided with heat dissipation holes 110 and air inlet holes 120, the air inlet holes 120 are arranged at the lower end of the frequency converter casing 100, after air enters the frequency converter casing 100 from the air inlet holes 120, the air exchanges heat with the heat sink 900, the heat sink 900 can raise the air, and the air is discharged from the heat dissipation holes 110 under the action of the heat dissipation fan 700, so that the arrangement can prevent moist air from entering the frequency converter casing 100 from the heat dissipation holes 110; because the temperature of the heat dissipation hole 110 is higher than that of other parts, no condensed water is present at the heat dissipation hole 110, so that the condensed water formed by humid air is prevented from entering the frequency converter casing 100.
And the heat dissipation holes 110 and the air inlet holes 120 are correspondingly arranged, even if rainwater or other water enters the frequency converter shell 100 from the heat dissipation holes 110, the water flows out from the air inlet holes 120 under the action of gravity, and therefore the influence of the water on the frequency converter is avoided.
Even if a large amount of dust is contained in the air, the dust enters the frequency converter shell 100 and is collected at the radiator 900, when the amount of the dust reaches a certain degree, the collected dust falls off from the radiator 900, and the fallen dust is discharged from the air inlet 120, so that the dust is prevented from affecting the heat dissipation of the radiator 900; the heat dissipation fan 700 is generally selected to be waterproof heat dissipation fan 700.
Referring to fig. 2 and 5, in an alternative embodiment, the frequency converter housing 100 includes a first housing 101, a second housing 102, and a cover plate 103, which are sequentially disposed; the air inlet 120 and the heat dissipation hole 110 are correspondingly disposed at the upper and lower ends of the first housing 101, and the heat sink 900 and the heat dissipation fan 700 are disposed in the first housing 101.
In an optional embodiment, the frequency converter further comprises a frequency converter main body, the frequency converter main body is arranged in the second housing 102, a waterproof connector 200 is arranged at the lower end of the second housing 102, and the frequency converter main body performs data transmission through the waterproof connector 200.
In an alternative embodiment, the heat sink 900 includes a heat dissipating fin 901 and a heat conducting plate 902, a plurality of heat dissipating fins 901 are disposed on the heat conducting plate 902, the heat conducting plate 902 is connected to the frequency converter main body, the heat dissipating fin 901 is located in the first casing 101, and the heat conducting plate 902 is located in the second casing 102.
In an alternative embodiment, a plurality of the heat sinks 901 form a heat sink 901 group, and the portion of the heat conductive plate 902 between the edge of the heat sink 901 group and the edge of the heat conductive plate 902 forms a barrier plate.
In an alternative embodiment, the heat dissipation fins 901 are disposed on the heat conducting plate 902 along the direction from the heat dissipation holes 110 to the air inlet holes 120.
In some embodiments, the frequency converter casing 100 includes a first casing 101 and a second casing 102, the first casing 101 is provided with an air inlet 120 and a heat dissipation hole 110, and the heat dissipation fan 700 and the heat sink 900 are arranged in the first casing 101; because radiator 900 is connected with the converter main part, the converter main part sets up in second casing 102, can avoid on water or the dust that gets into from louvre 110 on the first casing 101 gets into the converter main part like this, influences the life of converter main part.
The heat conducting plate 902 of the heat sink 900 is disposed on the frequency converter main body, heat generated by the frequency converter main body is transferred to the heat dissipation fins 901 through the heat conducting plate 902, and the heat dissipation fins 901 exchange heat with air, thereby achieving heat dissipation of the frequency converter main body.
The heat conductive plate 902 may be disposed in the second housing 102, and the heat sink 901 is disposed in the first housing 101; in order to reduce the retention of water and dust on the heat sink 900, the length direction of the heat dissipation fins 901 is perpendicular to the ground, and when dust enters the frequency converter casing 100 from the air inlet holes 120 or the heat dissipation holes 110, the dust and water cannot stay on the heat dissipation fins 901, so that the dust and water can quickly flow out from the air inlet holes 120.
In order to avoid water dripping from the heat dissipation holes 110, the water drips on the heat dissipation fins 901 and splashes on the frequency converter main body, when the heat dissipation fin 901 group formed by the plurality of heat dissipation fins 901 is arranged on the heat conduction plate 902, the edge of the heat dissipation fin 901 group has a certain distance with the edge of the heat conduction plate 902, and the distance forms a barrier plate, so that the water cannot splash on the frequency converter main body after the water drips on the heat dissipation fins 901.
The second housing 102 is formed by metal plates, the gap is fully welded after the first housing 101 is formed, the exterior is painted, and the waterproof connector lug 200 is arranged on the second housing 102, wherein the waterproof connector lug 200 is a standard waterproof connector lug 200.
The first machine shell 101 and the cover plate 103 are both formed by metal plates, gaps are fully welded, and the outside is painted.
Referring to fig. 1, in an alternative embodiment, a side surface of the second housing 102 is provided with an installation opening 140, an installation plate 130 is provided on a peripheral side of the installation opening 140, the cover plate 103 is provided on the installation plate 130, and a sealing rubber strip 400 is provided between the installation plate 130 and the cover plate 103.
In an alternative embodiment, an operation opening 800 is provided on the cover plate 103, and a sealing film 300 is provided on the operation opening 800.
In an alternative embodiment, an upper fixing plate is disposed at an upper end of the first housing 101, a lower fixing plate is disposed at a lower end of the first housing 101, and the upper fixing plate and the lower fixing plate are both disposed at an end of the first housing 101 away from the second housing 102.
In an alternative embodiment, the upper fixing plate is provided with a hanging hole 500, and the lower fixing plate is provided with a clamping opening 600.
A mounting port 140 is arranged on the side surface of the second enclosure 102, and the cover plate 103 can be taken down from the second enclosure 102 if the frequency converter main body needs to be maintained; in order to ensure the sealing performance of the connection between the cover plate 103 and the second enclosure 102, the mounting plate 130 is disposed on the periphery of the mounting opening 140 of the second enclosure 102, the mounting plate 130 is provided with the sealing rubber strip 400, and the sealing rubber strip 400 is used for sealing the gap between the mounting plate 130 and the cover plate 103, so that the whole frequency converter casing 100 has good sealing performance except for the air inlet 120 and the heat dissipation holes 110.
In order to facilitate the installation of the waterproof frequency converter, an upper fixing plate is arranged at the upper end of the first housing 101, a lower fixing plate is arranged at the lower end of the first housing 101, a hanging hole 500 is formed in the upper fixing plate, and a clamping opening 600 is formed in the lower fixing plate; the waterproof frequency converter is hung up through the hanging hole 500 of the upper fixing plate, and a supporting piece is arranged in the clamping opening 600 of the lower fixing plate to support the waterproof frequency converter; and because the supporting member is in the nip 600, the horizontal movement of the lower fixing plate can be prevented.
In order to facilitate the operation of the frequency converter main body, an operation port 800 is arranged on the cover plate 103, and a sealing film 300 is adhered to the operation port 800 in order to seal the operation port 800; the sealing adhesive film 300 is made of PC material, and one side of the sealing adhesive film 300 facing the cover plate 103 is provided with a waterproof double-sided adhesive tape; and a mark matched with the frequency converter main body is arranged on the sealing film 300.
The utility model provides a waterproof frequency converter, the frequency converter shell 100 is respectively provided with an air inlet 120 and a heat dissipation hole 110 corresponding to the radiator 900, the air inlet 120 is arranged at the lower end of the frequency converter shell 100, and the heat dissipation hole 110 is arranged at the upper end of the frequency converter shell 100; when air enters the frequency converter shell 100, the air exchanges heat at the heat radiator 900, and the air is discharged from the heat dissipation holes 110 after being heated, so that the arrangement can prevent moisture from gathering at the upper end of the frequency converter shell 100 to form water drops to enter the frequency converter shell 100, and the heat dissipation holes 110 and the air inlet holes 120 are arranged correspondingly, so that even if the heat dissipation holes 110 enter water, the air can be discharged from the air inlet holes 120 under the action of gravity.
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 depart from the spirit and scope of the present invention.
Claims (10)
1. The waterproof frequency converter is characterized by comprising a frequency converter shell (100), wherein a radiator (900) is arranged in the frequency converter shell (100); heat dissipation holes (110) corresponding to the heat radiator (900) are formed in the upper end of the frequency converter shell (100), and heat dissipation fans (700) corresponding to the heat dissipation holes (110) are arranged in the frequency converter shell (100);
the lower end of the frequency converter shell (100) is provided with an air inlet hole (120) corresponding to the radiator (900), and the heat radiation fan (700) enables air to enter the frequency converter shell (100) from the air inlet hole (120) and to be discharged from the heat radiation hole (110).
2. The waterproof frequency converter according to claim 1, characterized in that the frequency converter housing (100) comprises a first casing (101), a second casing (102) and a cover plate (103) arranged in sequence; the air inlet hole (120) and the heat dissipation hole (110) are correspondingly arranged at the upper end and the lower end of the first machine shell (101), and the radiator (900) and the heat dissipation fan (700) are arranged in the first machine shell (101).
3. The waterproof frequency converter according to claim 2, characterized by further comprising a frequency converter main body which is disposed inside the second casing (102) and provided with a waterproof terminal (200) at a lower end of the second casing (102), the frequency converter main body performing data transmission through the waterproof terminal (200).
4. The waterproof frequency converter according to claim 3, characterized in that the heat sink (900) comprises fins (901) and a thermally conductive plate (902), a plurality of fins (901) are arranged on the thermally conductive plate (902), and the thermally conductive plate (902) is connected with the frequency converter body, the fins (901) are located in the first casing (101), and the thermally conductive plate (902) is located in the second casing (102).
5. The waterproof frequency converter according to claim 4, characterized in that a plurality of said fins (901) form a fin (901) group and the portion of the thermally conductive plate (902) between the edge of the fin (901) group and the edge of the thermally conductive plate (902) forms a barrier.
6. The waterproof frequency converter according to claim 5, characterized in that the heat sink fins (901) are provided on the heat conductive plate (902) along the direction from the heat dissipation hole (110) to the air intake hole (120).
7. The waterproof frequency converter according to claim 2, characterized in that a mounting opening (140) is provided at a side surface of the second enclosure (102), a mounting plate (130) is provided at a peripheral side of the mounting opening (140), the cover plate (103) is provided on the mounting plate (130), and a sealing rubber strip (400) is provided between the mounting plate (130) and the cover plate (103).
8. The waterproof frequency converter according to claim 7, characterized in that an operation opening (800) is arranged on the cover plate (103), and a sealing film (300) is arranged on the operation opening (800).
9. The waterproof frequency converter according to claim 2, characterized in that an upper fixing plate is arranged at the upper end of the first housing (101), a lower fixing plate is arranged at the lower end of the first housing (101), and the upper fixing plate and the lower fixing plate are both arranged at one end of the first housing (101) far away from the second housing (102).
10. The waterproof frequency converter according to claim 9, characterized in that a hanging hole (500) is provided on the upper fixing plate and a clipping opening (600) is provided on the lower fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220841983.1U CN217087754U (en) | 2022-04-08 | 2022-04-08 | Waterproof frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220841983.1U CN217087754U (en) | 2022-04-08 | 2022-04-08 | Waterproof frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217087754U true CN217087754U (en) | 2022-07-29 |
Family
ID=82555954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220841983.1U Active CN217087754U (en) | 2022-04-08 | 2022-04-08 | Waterproof frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217087754U (en) |
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2022
- 2022-04-08 CN CN202220841983.1U patent/CN217087754U/en active Active
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