CN211702782U - Heat abstractor and converter - Google Patents
Heat abstractor and converter Download PDFInfo
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- CN211702782U CN211702782U CN201922336258.XU CN201922336258U CN211702782U CN 211702782 U CN211702782 U CN 211702782U CN 201922336258 U CN201922336258 U CN 201922336258U CN 211702782 U CN211702782 U CN 211702782U
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Abstract
The utility model discloses a heat abstractor and converter relates to converter technical field, and the main objective improves heat abstractor's radiating effect to and reduce heat abstractor's fault point. The utility model discloses a main technical scheme does: the heat dissipation device comprises a heat dissipation air channel, wherein a first mounting opening and a second mounting opening are respectively formed in two ends of the heat dissipation air channel, and the volume of one end, where the first mounting opening is located, of the heat dissipation air channel is smaller than the volume of one end, where the second mounting opening is located, of the heat dissipation air channel; and the radiators are connected with the first mounting port side by side, fins of the radiators are parallel to each other, and air outlets of the radiators are communicated with the first mounting port. The fan, the fan with the second installing port is connected, the fan has the face that induced drafts, the face orientation that induced drafts the inside in heat dissipation wind channel. The utility model discloses mainly used heating element's heat dissipation.
Description
Technical Field
The utility model relates to a converter technical field particularly, relates to a heat abstractor and converter.
Background
With the continuous development of the industry, the performance of the frequency converter used as the power control equipment is improved more and more.
The inverter module is used as the core of the frequency converter, the overall performance of the frequency converter is affected by the heat dissipation problem of the inverter module, and after the frequency converter runs for a long time, the temperature rise of the inverter module is high, so that the frequency converter is easily damaged. At present, the heat dissipation mode of the frequency converter is generally as follows: a fan is respectively arranged below each phase inversion module, each phase inversion module is respectively provided with an air channel, and the fans are respectively used for blowing the heat radiators of the modules through the corresponding air channels so as to realize the heat radiation of each inversion module.
However, because the heat dissipation of each phase inversion module is relatively independent, the air volume and the air speed of each phase are different, so that the temperature difference and the heat dissipation of each phase inversion module are different, and the performance of the frequency converter is further influenced; moreover, the number of the fans is large, so that a large number of fault points are caused, and the cost is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a heat dissipation apparatus and a frequency converter, which mainly aims to improve the heat dissipation effect of the heat dissipation apparatus and reduce the failure point of the heat dissipation apparatus.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
in one aspect, an embodiment of the present invention provides a heat dissipation device, including:
the heat dissipation air duct is provided with a first mounting opening and a second mounting opening at two ends respectively, and the volume of one end of the heat dissipation air duct where the first mounting opening is located is smaller than that of one end of the heat dissipation air duct where the second mounting opening is located;
and the radiators are connected with the first mounting port side by side, fins of the radiators are parallel to each other, and air outlets of the radiators are communicated with the first mounting port.
The fan, the fan with the second installing port is connected, the fan has the face that induced drafts, the face orientation that induced drafts the inside in heat dissipation wind channel.
Further, the inner wall surface of the heat dissipation air duct is a smooth transition surface.
Further, the fan is detachably connected with the second mounting port;
the heat dissipating device further includes:
the mounting ring is connected with the second mounting opening, and a plurality of fixing pins are circumferentially arranged on the inner wall of the mounting ring;
the periphery of the fan is provided with a plurality of fixing rings which are arranged along the circumferential direction of the fan and are matched with the fixing pins;
the fixing pins are correspondingly inserted into the fixing rings one by one.
Further, a gap is formed between the fan and the mounting ring;
the heat dissipation device further comprises a choke ring, and the choke ring is arranged between the fan and the mounting ring and blocks the gap.
Further, the surface of the choke ring is provided with a plurality of through holes arranged along the circumferential direction of the choke ring, the through holes are provided with a first end and a second end which are opposite, and the inner diameter of the first end is larger than that of the second end;
the inner diameter of the first end is larger than the outer diameter of the fixing pin, and the inner diameter of the second end is matched with the outer diameter of the fixing pin;
the first ends of the through holes can be sleeved outside the fixing pins one by one, and when the choke ring is rotated, the fixing pins can be changed from the first ends of the through holes to the second ends and clamped in the second ends.
Further, a plurality of bosses are circumferentially arranged on the inner wall of the mounting ring;
the fixing pins are arranged on the bosses in a one-to-one correspondence manner;
the choke ring is arranged on the plurality of bosses.
Further, the surface of the choke ring is provided with at least one first mounting hole;
at least one second mounting hole is formed in the boss corresponding to the first mounting hole in the plurality of bosses;
the first mounting hole and the second mounting hole are connected through a connecting piece;
the fan blade rotating direction of the fan is consistent with the direction from the first end to the second end of the through hole.
Further, each radiator is connected with the first mounting port through a connecting part;
the connecting portion includes:
the frame body is sleeved at one end of the radiator, an air outlet of the radiator is positioned in the frame body, and the frame body is connected with the first mounting opening;
the number of the L-shaped pieces is two, each L-shaped piece is provided with a first connecting end and a second connecting end, the first connecting ends of the two L-shaped pieces are respectively and correspondingly connected to the two ends of the frame body, and the second connecting ends are respectively and correspondingly connected to the two sides of the radiator;
the radiators are connected with the first mounting port in a sealing mode;
the fan is connected with the second mounting port in a sealing mode.
On the other hand, the embodiment of the present invention further provides a frequency converter, which includes a plurality of inverter modules and the heat dissipation device;
each radiator is arranged on the radiating surface of each inversion module.
Further, the frequency converter further comprises:
a housing having an opening;
the air inlet of the radiator is exposed outside the shell through the opening.
Borrow by above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:
in the technical scheme provided by the embodiment of the utility model, the air outlets of a plurality of radiators are all connected with the first mounting port of the heat dissipation air channel, and the fan is connected with the second mounting port of the heat dissipation air channel, so that a plurality of radiators can radiate heat through one fan through the same heat dissipation air channel, and the heat dissipation conditions of the heating elements of each phase are the same, namely, the air volume and the air speed of each phase are uniform, thereby avoiding the temperature difference of the heating elements of each phase, and further ensuring that the heating elements of each phase can radiate heat uniformly; in addition, in the embodiment, one fan is adopted to radiate the heating elements of a plurality of radiators through the radiating air duct, so that the number of fault points is reduced, and the cost is reduced; in addition, the induced draft face of fan in this embodiment is towards the inside of heat dissipation wind channel for the fan can take out the air in the heat dissipation wind channel, makes the interior negative pressure that forms of heat dissipation wind channel, and under the suction effect that the negative pressure district produced, the high heat gas that heating element produced is outside the heat dissipation wind channel of discharging, and the air intake end of radiator can absorb cold wind and flow into in the heat dissipation wind channel simultaneously, thereby has reduced heating element's temperature, has guaranteed heating element's normal temperature, has improved the radiating effect. Meanwhile, the volume of one end where the first mounting port is located on the heat dissipation air channel is smaller than that of the other end of the heat dissipation air channel, so that the volume of a negative pressure cavity formed in the heat dissipation channel by the fan is increased, the negative pressure is increased, and the heat dissipation effect is further improved.
Drawings
Fig. 1 is a schematic structural view of a heat dissipation device at a first viewing angle according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a heat dissipation device at a second viewing angle according to an embodiment of the present invention;
FIG. 3 is a schematic view of the mounting ring of FIG. 1 or FIG. 2;
FIG. 4 is a schematic structural view of the choke ring of FIG. 1 or FIG. 2;
FIG. 5 is an enlarged view taken at A in FIG. 2;
fig. 6 is a schematic structural view of a heat dissipation device at a third viewing angle according to an embodiment of the present invention;
fig. 7 is an enlarged view at B in fig. 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.
As shown in fig. 1, an embodiment of the present invention provides a heat dissipation apparatus, which includes a heat dissipation air duct 1, two ends of the heat dissipation air duct 1 are respectively provided with a first installation opening 11 and a second installation opening 12, and a volume of an end of the heat dissipation air duct 1 where the first installation opening 11 is located is smaller than a volume of the end of the second installation opening 12; a plurality of radiators 2, these a plurality of radiators 2 connect in first installing port 11 side by side, and its fin is parallel to each other, and the air outlet of a plurality of radiators 2 all communicates with first installing port 11. And the fan 4 is connected with the second mounting port 12, and the fan 4 is provided with an air suction surface facing the inside of the heat dissipation air channel 1.
The heat dissipation device can be applied to a frequency converter and used for heat dissipation of an inverter module. The heat radiating surfaces of the phase inversion modules are correspondingly connected with the radiators 2, and the fan 4 can adopt an axial flow fan 4 with the characteristics of large air exhaust amount, low energy consumption, low noise and the like, so that air can flow in parallel with the axis of the fan 4, the conditions of high air flow and low pressure required by heat radiation are met, and the heat radiation effect is further improved.
It should be noted that, under the condition that the internal space of the device such as the frequency converter allows, the longer the heat dissipation air duct 1 and the larger the volume of the air duct inner cavity in the heat dissipation device provided in this embodiment are, the better the heat dissipation effect is.
In the heat dissipation device provided by the embodiment of the utility model, the air outlets of a plurality of radiators 2 are all connected with the first mounting port 11 of the heat dissipation air duct 1, and the fan 4 is connected with the second mounting port 12 of the heat dissipation air duct 1, so that the radiators 2 can dissipate heat through one fan 4 through the same heat dissipation air duct 1, and the heat dissipation conditions of the heating elements of each phase are the same, that is, the air volume and the air speed of each phase are uniform, thereby avoiding the temperature difference of the heating elements of each phase, and further ensuring that the heating elements of each phase can dissipate heat uniformly; in addition, in the embodiment, one fan 4 is adopted to dissipate heat of the heating elements of the plurality of radiators 2 through the heat dissipation air duct 1, so that the number of fault points is reduced, and the cost is reduced; in addition, the induced draft of fan 4 faces towards the inside of heat dissipation wind channel 1 among this embodiment for fan 4 can take out the air in the heat dissipation wind channel 1, make the interior negative pressure that forms of heat dissipation wind channel 1, under the suction effect that the negative pressure zone produced, the high heat gas that heating element produced is outside the heat dissipation wind channel 1 of discharging, the air intake end of radiator 2 can absorb cold wind and flow into in the heat dissipation wind channel 1 simultaneously, thereby the temperature of heating element has been reduced, heating element's normal temperature has been guaranteed, the radiating effect has been improved. Meanwhile, the volume of one end of the heat dissipation air duct 1 where the first mounting port 11 is located is smaller than that of the second mounting port 12, so that the volume of a negative pressure cavity formed by the fan 4 in the heat dissipation channel is increased, the negative pressure is increased, the heat dissipation effect is further improved, and the space can be saved.
In an alternative embodiment, the inner wall surface of the heat dissipation air duct 1 may be a smooth transition surface. The inner wall surface of the heat dissipation air duct 1 is set to be a smooth transition surface without any edges and corners, so that the generation probability of the eddy inside the heat dissipation air duct 1 is effectively reduced, the airflow in the heat dissipation air duct 1 can be smoothly pumped out by the fan 4, and the heat dissipation effect is further improved.
In order to facilitate maintenance of the fan 4, in an alternative embodiment, the fan 4 may be detachably connected to the second mounting port 12, so that the fan 4 can be conveniently detached and maintained.
In order to ensure the structural simplicity and the connection reliability of the heat dissipation device, in an alternative embodiment, referring to fig. 2, 3 and 5, the heat dissipation device may further include a mounting ring 3, the mounting ring 3 is connected to the second mounting opening 12, and a plurality of fixing pins 31 may be circumferentially disposed on an inner wall of the mounting ring 3; the periphery of the fan 4 is provided with a plurality of fixing rings 41 which are arranged along the circumferential direction and are matched with the fixing pins 31; the plurality of fixing pins 31 are inserted into the plurality of fixing rings 41 in a one-to-one correspondence.
In the above embodiment, when fan 4 is dismantled to needs, can exert external force to fan 4 for solid fixed ring 41 on fan 4 breaks away from fixed pin 31, can dismantle fan 4, and when fan 4 was assembled to needs, can exert external force in the opposite direction to fan 4, makes solid fixed ring 41 on fan 4 cup joint outside fixed pin 31, can accomplish fan 4's equipment, and fan 4's dismouting is more convenient.
It should be noted that, the fixing pins 31 in the above embodiments may be uniformly arranged on the circumferential direction of the inner wall of the mounting ring 3, and the fixing pins 31 on the fan 4 may also be uniformly arranged on the outer circumference of the fan 4, so as to further improve the assembling stability between the fan 4 and the mounting ring 3. In addition, the fan 4 may include a body and a mesh enclosure disposed outside the body, and a plurality of tie bars whose ends protrude from the outer edge of the mesh enclosure may be radially arranged on the outer surface of the mesh enclosure, and the tie bars may be in a flat ring shape, so that the ends of the tie bars form the aforementioned fixing ring 41. Of course, the fixing ring 41 may be a ring structure separately disposed on the periphery of the blower 4.
Specifically, the clearance easily exists between fan 4 and collar 3, because be the negative pressure state in the heat dissipation wind channel 1, consequently, the hot-air that fan 4 was extracted can flow into heat dissipation wind channel 1 again from this clearance to influence the radiating effect, for solving this technical problem, see fig. 2, the embodiment of the utility model provides a heat abstractor can also include choke ring 5, and this choke ring 5 sets up between fan 4 and collar 3, and the shutoff the clearance, thereby avoided the hot-air that fan 4 was extracted to flow into heat dissipation wind channel 1 again, and then guaranteed the radiating effect.
In this embodiment, in order to facilitate maintenance of the choke ring 5, referring to fig. 2, fig. 3, fig. 4, and fig. 5, a plurality of through holes 51 arranged along the circumferential direction of the choke ring 5 may be formed in the surface of the choke ring 5, and the through holes 51 have a first end and a second end opposite to each other, the inner diameter of the first end is greater than the inner diameter of the second end, that is, the whole choke ring may be in a gourd shape, the inner diameter of the first end is greater than the outer diameter of the fixing pin 31, and the inner diameter of the second end is adapted to the outer diameter of the fixing pin 31; the first ends of the through holes 51 can be sleeved outside the fixing pins 31, and when the choke ring 5 is rotated, the fixing pins 31 can be changed from the first ends of the through holes 51 to the second ends and clamped in the second ends. Wherein reference numerals "511" and "512" in fig. 5 represent first and second ends of the through-hole 51, respectively.
In the above embodiment, when the choke ring 5 needs to be assembled, the first end of the through hole 51 of the choke ring 5 may be sleeved on the fixing pin 31 of the mounting ring 3, and then the choke ring 5 is rotated toward the second end of the through hole 51 and external force is applied until the fixing pin 31 is clamped in the second end, so that the assembly of the choke ring 5 can be realized; when the choke ring 5 needs to be disassembled, the choke ring 5 can be rotated in the opposite direction and external force is applied, so that the fixing pin 31 is separated from the second end and changed into the first end, then the choke ring 5 is separated from the fixing pin 31, the disassembly of the choke ring 5 can be completed, and the disassembly and the assembly are convenient.
In order to improve the installation stability of the choke ring 5, in an alternative embodiment, referring to fig. 2 and 3, the inner wall of the installation ring 3 may be provided with a plurality of bosses 32 in the circumferential direction; the plurality of fixing pins 31 are provided on the plurality of bosses 32 in one-to-one correspondence; the choke ring 5 is placed on the plurality of bosses 32. In particular, the plurality of projections 32 may together form an annular surface in the mounting ring 3, so that the choke ring 5 can be placed on the annular surface, thereby improving the mounting stability of the choke ring 5 in the heat sink.
To further improve the mounting stability of the choke ring 5, in an alternative embodiment, see fig. 2, 3 and 4, the surface of the choke ring 5 may be provided with at least one first mounting hole 52; at least one second mounting hole 321 is formed on the boss 32 corresponding to the first mounting hole 52 in the plurality of bosses 32; the first mounting hole 52 and the second mounting hole 321 are connected by a connector; that is, when the choke ring 5 is assembled, after the second end of the through hole 51 is snapped onto the fixing pin 31, the first mounting hole 52 and the second mounting hole 321 can be connected by using the connecting member, so as to further improve the mounting stability of the choke ring 5 in the heat sink. Specifically, the first and second mounting holes 52 and 321 may be screw holes, and the connecting member may be a screw.
In an optional embodiment, the rotation direction of the fan blade of the fan 4 is the same as the direction from the first end to the second end of the through hole 51, so that in the working process of the fan, the choke ring 5 can have a tendency of rotating from the first end to the second end of the through hole 51 under the action of the rotation inertia force of the fan 4, so that the fixing pin 31 can be clamped in the second end of the through hole 51 more stably, and the installation stability of the choke ring 5 is further improved.
In an alternative embodiment, referring to fig. 6 and 7, each heat sink 2 is connected to the first mounting port 11 by a connecting portion 6; specifically, the connecting portion 6 may include a frame 61, the frame 61 is sleeved on one end of the heat sink 2, the air outlet of the heat sink 2 is located in the frame 61, and the frame 61 is connected to the first mounting opening 11; the L-shaped members 62 are two in number, and each L-shaped member 62 has a first connection end and a second connection end, the first connection ends of the two L-shaped members 62 are respectively and correspondingly connected to two ends of the frame 61, and the second connection ends are respectively and correspondingly connected to two sides of the heat sink 2. Through the arrangement of the connecting portion 6 formed by the frame body 61 and the two L-shaped members 62, each heat sink 2 can be stably connected to the first mounting opening 11 of the heat dissipation air duct 1 through the corresponding connecting portion 6, so that stable cooperation between the heat sink 2 and the heat dissipation air duct 1 is ensured, and the working stability of the heat dissipation device is further ensured.
In an alternative embodiment, a plurality of radiators 2 can be hermetically connected with the first mounting port 11; the fan 4 is hermetically connected with the second mounting port 12, so that hot air pumped out by the fan 4 is prevented from flowing back to the heat dissipation air duct 1 from the gap, and the heat dissipation effect is ensured. Specifically, a sealing tape or a sealant may be disposed between the frame 61 of the connecting portion 6 and the first mounting opening 11 to achieve the sealing connection between the heat sink 2 and the first mounting opening 11; meanwhile, a sealing strip or sealant can be arranged between the mounting ring 3 and the second mounting port 12 to realize the sealing connection between the fan 4 and the second mounting port 12.
The embodiment of the utility model also provides a frequency converter, which comprises a plurality of inversion modules and the heat dissipation device; each radiator is arranged on the radiating surface of each inversion module.
The embodiment of the utility model provides a frequency converter, including heat abstractor, the air outlet of a plurality of radiators 2 in this heat abstractor all is connected with the first installing port 11 of heat dissipation wind channel 1, and fan 4 is connected with the second installing port 12 of heat dissipation wind channel 1, make a plurality of radiators 2 can dispel the heat through the same heat dissipation wind channel 1 through a fan 4, make each looks heating element's heat dissipation condition the same, namely each looks amount of wind and wind speed are even, thereby avoided the temperature of each looks inverse transform module to have the difference, and then guaranteed that each looks inverse transform module can evenly dispel the heat; in addition, in the embodiment, one fan 4 is adopted to radiate the inversion modules of the plurality of radiators 2 through the radiating air duct 1, so that the number of fault points is reduced, and the cost is reduced; in addition, the induced draft of fan 4 faces towards the inside of heat dissipation wind channel 1 among this embodiment for fan 4 can take out the air in the heat dissipation wind channel 1, make the interior negative pressure that forms of heat dissipation wind channel 1, under the suction effect that the negative pressure zone produced, the high heat gas that the contravariant module produced is outside heat dissipation wind channel 1 is discharged, the air intake end of radiator 2 can absorb cold wind and flow into in the heat dissipation wind channel simultaneously, thereby the temperature of contravariant module has been reduced, the normal temperature of contravariant module has been guaranteed, and the heat radiation effect is improved. Meanwhile, the volume of one end of the heat dissipation air duct 1 where the first mounting port 11 is located is smaller than that of the second mounting port 12, so that the volume of a negative pressure cavity formed in the heat dissipation air duct 1 by the fan 4 is increased, the negative pressure is increased, the heat dissipation effect is further improved, and the space can be saved.
In an alternative embodiment, the frequency converter may include a housing having an opening; and the air intake of radiator 2 exposes in the outside of casing through the opening to the realization is taken out the air in fan 4 will dispel the heat wind channel 1, makes the interior negative pressure that forms of heat wind channel 1, under the suction effect that the negative pressure district produced, the high heat gas that the contravariant module produced is by the outside of heat wind channel 1 of dispelling the heat, and in the outside cold wind that the converter outside can be drawn into heat dissipation channel to the air intake end of radiator 2 flows into, thereby reduces the temperature of contravariant module better, improves the radiating effect.
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 it; 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A heat dissipating device, comprising:
the heat dissipation air duct is provided with a first mounting opening and a second mounting opening at two ends respectively, and the volume of one end of the heat dissipation air duct where the first mounting opening is located is smaller than that of one end of the heat dissipation air duct where the second mounting opening is located;
the radiators are connected to the first mounting opening side by side, fins of the radiators are parallel to each other, and air outlets of the radiators are communicated with the first mounting opening;
the fan, the fan with the second installing port is connected, the fan has the face that induced drafts, the face orientation that induced drafts the inside in heat dissipation wind channel.
2. The heat dissipating device of claim 1,
the inner wall surface of the heat dissipation air duct is a smooth transition surface.
3. The heat dissipating device of claim 1,
the fan is detachably connected with the second mounting port;
the heat dissipating device further includes:
the mounting ring is connected with the second mounting opening, and a plurality of fixing pins are circumferentially arranged on the inner wall of the mounting ring;
the periphery of the fan is provided with a plurality of fixing rings which are arranged along the circumferential direction of the fan and are matched with the fixing pins;
the fixing pins are correspondingly inserted into the fixing rings one by one.
4. The heat dissipating device of claim 3,
a gap is formed between the fan and the mounting ring;
the heat dissipation device further comprises a choke ring, and the choke ring is arranged between the fan and the mounting ring and blocks the gap.
5. The heat dissipating device of claim 4,
the surface of the choke ring is provided with a plurality of through holes arranged along the circumferential direction of the choke ring, each through hole is provided with a first end and a second end which are opposite, and the inner diameter of each first end is larger than that of each second end;
the inner diameter of the first end is larger than the outer diameter of the fixing pin, and the inner diameter of the second end is matched with the outer diameter of the fixing pin;
the first ends of the through holes can be sleeved outside the fixing pins one by one, and when the choke ring is rotated, the fixing pins can be changed from the first ends of the through holes to the second ends and clamped in the second ends.
6. The heat dissipating device of claim 5,
a plurality of bosses are circumferentially arranged on the inner wall of the mounting ring;
the fixing pins are arranged on the bosses in a one-to-one correspondence manner;
the choke ring is arranged on the plurality of bosses.
7. The heat dissipating device of claim 6,
the surface of the choke ring is provided with at least one first mounting hole;
at least one second mounting hole is formed in the boss corresponding to the first mounting hole in the plurality of bosses;
the first mounting hole and the second mounting hole are connected through a connecting piece;
the fan blade rotating direction of the fan is consistent with the direction from the first end to the second end of the through hole.
8. The heat dissipating device of claim 1,
each radiator is connected with the first mounting port through a connecting part;
the connecting portion includes:
the frame body is sleeved at one end of the radiator, an air outlet of the radiator is positioned in the frame body, and the frame body is connected with the first mounting opening;
the number of the L-shaped pieces is two, each L-shaped piece is provided with a first connecting end and a second connecting end, the first connecting ends of the two L-shaped pieces are respectively and correspondingly connected to the two ends of the frame body, and the second connecting ends are respectively and correspondingly connected to the two sides of the radiator;
the radiators are connected with the first mounting port in a sealing mode;
the fan is connected with the second mounting port in a sealing mode.
9. A frequency converter, comprising:
a plurality of inverter modules and the heat sink of any of claims 1-8;
each radiator is arranged on the radiating surface of each inversion module.
10. The frequency converter of claim 9, further comprising:
a housing having an opening;
the air inlet of the radiator is exposed outside the shell through the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336258.XU CN211702782U (en) | 2019-12-23 | 2019-12-23 | Heat abstractor and converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336258.XU CN211702782U (en) | 2019-12-23 | 2019-12-23 | Heat abstractor and converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211702782U true CN211702782U (en) | 2020-10-16 |
Family
ID=72793628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922336258.XU Active CN211702782U (en) | 2019-12-23 | 2019-12-23 | Heat abstractor and converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211702782U (en) |
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2019
- 2019-12-23 CN CN201922336258.XU patent/CN211702782U/en active Active
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