CN216253729U - High-efficient heat radiation structure of industry fan direct current drive controller - Google Patents
High-efficient heat radiation structure of industry fan direct current drive controller Download PDFInfo
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- CN216253729U CN216253729U CN202122960821.8U CN202122960821U CN216253729U CN 216253729 U CN216253729 U CN 216253729U CN 202122960821 U CN202122960821 U CN 202122960821U CN 216253729 U CN216253729 U CN 216253729U
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Abstract
The utility model discloses a high-efficiency heat dissipation structure of an industrial fan direct current drive controller, which comprises a shell, an air inlet, an air outlet, a heat dissipation sheet and a fan, wherein the air inlet and the air outlet are arranged on two opposite side surfaces of the shell, one side of the air outlet is provided with an air exhaust channel, the air exhaust channel comprises a bell mouth and a fan mounting hole, the fan is mounted in the fan mounting hole and faces the air outlet, the heat dissipation sheet is arranged inside the shell and is positioned between the air inlet and the bell mouth, the heat dissipation sheet comprises a plurality of vertical heat dissipation fins and a heat dissipation air channel, the tops of the heat dissipation fins are provided with cover plates, so that the heat dissipation air channel forms a closed heat dissipation channel, and the fan drives air to flow to form internal and external heat exchange. This heat radiation structure uses the fin as heat dissipation circulation of air passageway, and air intake and air outlet are connected at the radiator both ends, and the heat discharges more directly, and the radiating efficiency is high, and the part is few rational in infrastructure.
Description
Technical Field
The utility model relates to the technical field of direct current drive controllers, in particular to a high-efficiency heat dissipation structure of an industrial fan direct current drive controller.
Background
The direct current drive is widely applied to the field of direct current motor control, can effectively control the power, the rotating speed or the positive and negative rotation of a direct current motor, and has the characteristics of high drive efficiency, strong control reliability, high safety and the like. Although the efficiency of the dc driving controller is high, the output stage of the dc driving controller contains large-current and high-power components, and a large amount of heat is easily accumulated during long-time or severe environment operation, which causes reliability degradation and endangers the service life of the components. However, the conventional dc driving controller has simple heat dissipation fins and fans, and the design of the heat dissipation air duct is not reasonable enough, which results in poor heat dissipation effect, or larger heat dissipation fins or fans are required.
The utility model improves and optimizes the heat dissipation structure of the existing direct current drive controller, and utilizes the space between the fins of the heat dissipation fins as a heat dissipation air channel, cold air enters the heat dissipation fins from the air inlet, and hot air is discharged from the air outlet by the fan from the other end of the heat dissipation fins, thereby realizing the isolation and the flow of the cold air and the hot air, greatly improving the heat dissipation efficiency, and having reasonable and reliable structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient heat dissipation structure of an industrial fan direct current drive controller, which is arranged in the direct current drive controller to improve the heat dissipation effect and comprises a shell, an air inlet, an air outlet, a heat dissipation sheet and a fan, wherein the air inlet and the air outlet are arranged on the side surface of the shell, the fan is arranged on one side of the air outlet, and the heat dissipation sheet is arranged in the shell and is positioned between the air inlet and the fan. The fan brings the heat on the radiating fins out of the shell through the air outlet.
Preferably, the housing further comprises an exhaust channel disposed in the housing at one end of the air outlet.
Preferably, the air exhaust channel comprises a bell mouth and a fan mounting hole, the fan mounting hole is arranged on one side close to the air outlet, the fan is arranged in the fan mounting hole, and the bell mouth is arranged on one side facing the inside of the shell. The air exhaust channel is provided with a fan towards one side of the air outlet, and the other side of the air exhaust channel extends to be combined with the radiating fins.
Preferably, one end of the radiating fin is attached to the air inlet, and the other end of the radiating fin is attached to the bell mouth, so that the radiating fin is located between the air inlet and the air outlet.
Preferably, the heat sink includes a plurality of heat dissipation fins and a heat dissipation air duct, the heat dissipation fins are vertically arranged on the heat dissipation fin, and the heat dissipation air duct is arranged between the heat dissipation fins. The heat dissipation fins can increase the heat dissipation area of the heat dissipation fins, and the space between the heat dissipation fins can be used as an air circulation channel for heat dissipation.
Preferably, the arrangement direction of the heat dissipation fins and the heat dissipation air duct is the same as the direction between the air inlet and the air outlet, so that the heat dissipation air duct is butted with the air inlet and the air outlet.
Preferably, the heat sink further comprises a cover plate buckled on the tops of the heat dissipation fins to close the heat dissipation air duct.
Preferably, the flare expands towards the interior of the housing and is trapezoidal in cross-section.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the efficient heat dissipation structure of the industrial fan direct current drive controller, the heat dissipation fins are arranged between the air inlet and the air outlet, forced heat dissipation is carried out through the heat dissipation air channels between the heat dissipation fins, and hot air smoothly circulates through the heat dissipation air channels and is discharged out of the shell;
(2) according to the efficient heat dissipation structure of the industrial fan direct current drive controller, the fan is arranged in the air exhaust channel, and the bell mouth is tightly connected with the heat dissipation sheet, so that the air exhaust effect of the fan is improved, and meanwhile, the noise of the fan can be reduced;
(3) according to the efficient heat dissipation structure of the industrial fan direct current drive controller, the cover plate is arranged at the top of the heat dissipation fin, so that a heat dissipation air channel is sealed, and the heat dissipation efficiency is improved;
(4) according to the efficient heat dissipation structure of the industrial fan direct current drive controller, the heat dissipation fins, the fan and the like are arranged in the middle of the inside of the shell, so that heat is dissipated in a centralized mode, and the internal temperature is balanced.
Drawings
FIG. 1 is a schematic top view of an efficient heat dissipation structure of an industrial fan DC driving controller according to the present invention;
FIG. 2 is a schematic side view of a high-efficiency heat dissipation structure of an industrial fan DC driving controller according to the present invention;
FIG. 3 is a three-dimensional schematic diagram of a high-efficiency heat dissipation structure of an industrial fan DC driving controller according to the present invention;
fig. 4 is a schematic cross-sectional view of a heat sink of an efficient heat dissipation structure of an industrial fan dc driving controller according to the present invention.
In the figure, 1 is a housing, 2 is a heat sink, 21 is a heat sink, 22 is a heat sink duct, 23 is a cover plate, 3 is a fan, 4 is an air inlet, 5 is an air outlet, 6 is an air exhaust channel, 61 is a bell mouth, 62 is a fan mounting hole, 7 is a circuit board, and 8 is a component.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a high-efficient heat radiation structure of industry fan direct current drive controller sets up improvement radiating effect in direct current drive controller, including shell 1, air intake 4, air outlet 5, fin 2 and fan 3, drive controller's shell 1 is the cuboid, air intake 4 and air outlet 5 are seted up in the side of shell 1, are located two relative sides of shell 1 respectively, are convenient for form the passageway of direct convection current, and air intake 4 and air outlet 5 comprise a plurality of apertures, can avoid the foreign matter to get into inside the shell 1, increase the circulation of air simultaneously, fan 3 sets up in air outlet 5 one side, fin 2 sets up inside shell 1 to be located between air intake 4 and the fan 3, fan 3 takes the heat on the fin 2 out of shell 1 through air outlet 5. The air inlet 4, the air outlet 5 and the radiating fins 2 are usually arranged in the middle of the shell, so that heat of the driving controller is concentrated in the center of the inside of the shell 1, the heat is conveniently concentrated and uniformly radiated, the temperatures of other parts in the shell 1 are relatively balanced, and the driving controller is protected.
Referring to fig. 2, a circuit board 7 is disposed at the bottom of the housing 1, a component 8 on the circuit board 7 is in contact with the heat sink 2, and heat generated by the component 8 is directly transferred to the heat sink 2.
Referring to fig. 1 and 3, the housing 1 further includes an exhaust passage 6, the exhaust passage 6 is disposed in the housing at one end of the air outlet 5, and can be integrated with the housing 1 and face the air outlet 5, the exhaust passage 6 includes a bell mouth 61 and a fan mounting hole 62, the fan mounting hole 62 is disposed at one side near the air outlet 5, the fan 3 is mounted in the fan mounting hole 62 and faces the air outlet 5, and the bell mouth 61 is disposed at one side facing the inside of the housing 1. The air exhaust channel 6 is a connecting part between the air outlet 5 and the heat sink 2, and is provided with the fan 3 facing one side of the air outlet 5, and the other side extends to be combined with the heat sink 2. One end of the radiating fin 2 is attached to the air inlet 4, the other end of the radiating fin is attached to the bell mouth 61, the radiating fin 2 is located between the air inlet 4 and the air outlet 5, cold air entering from the air inlet 4 flows through the radiating fin 2, hot air after heat exchange with the radiating fin 2 is exhausted out of the shell 1 from the air outlet 5 through the fan 3, the fan 3 is installed in a fan installation hole 62 facing the air outlet 5, and the outward air exhaust efficiency of the fan 3 can be improved.
Referring to fig. 1, 2 and 4, the heat sink 2 includes a plurality of heat dissipation fins 21 and a heat dissipation air duct 22, the cross section of the heat sink 2 is E-shaped, the heat sink 2 is vertically provided with a plurality of parallel heat dissipation fins 21, and the heat dissipation air duct 22 is disposed between the heat dissipation fins 21. The heat radiating fins 21 can increase the heat exchange radiating area of the heat radiating fins 2, the heat radiating fins 2 further comprise cover plates 23, the cover plates 23 are buckled on the tops of the heat radiating fins 21, so that the heat radiating air duct 22 forms a closed and closed radiating channel, air for heat exchange can efficiently and quickly flow in the heat radiating air duct 22, the arrangement directions of the heat radiating fins 21 and the heat radiating air duct 22 are the same as the direction between the air inlet 4 and the air outlet 5, the flowing resistance of the heat radiating air is minimum, and the flow is smoother.
Referring to fig. 1 and 3, the bell mouth 61 is enlarged toward the inside of the housing 1, and has a trapezoidal cross section, and the bell mouth 61 is a joint portion between the fan 3 and the heat sink 2, so that the heat sink 2 having a larger size can be conveniently mounted, and can be better combined with the fan mounting hole 62, so that the heat sink 2 and the fan 3 can be smoothly connected, and noise generated by air circulation when the fan 3 rotates can be reduced.
The opening and the rotating speed of the fan 3 can be controlled by measuring the temperature in the shell 1, so that the heat dissipation can be controlled more effectively, and the noise and the energy consumption of the fan 3 are reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an industry fan direct current drive controller's high-efficient heat radiation structure, sets up improvement radiating effect in direct current drive controller, its characterized in that: including shell, air intake, air outlet, fin and fan, the side at the shell is seted up to air intake and air outlet, the fan sets up in air outlet one side, the fin sets up inside the shell to be located between air intake and the fan.
2. The efficient heat dissipation structure of an industrial fan DC drive controller according to claim 1, characterized in that: the shell further comprises an exhaust channel, and the exhaust channel is arranged in the shell at one end of the air outlet.
3. The efficient heat dissipation structure of an industrial fan DC drive controller according to claim 2, characterized in that: the air exhaust channel comprises a bell mouth and a fan mounting hole, the fan mounting hole is formed in one side close to the air outlet, the fan is mounted in the fan mounting hole, and the bell mouth is formed in one side facing the inside of the shell.
4. The efficient heat dissipation structure of an industrial fan DC drive controller according to claim 1, characterized in that: the air inlet and the air outlet are arranged on two opposite side surfaces of the shell.
5. The efficient heat dissipation structure of an industrial fan DC drive controller according to claim 3, characterized in that: one end of the radiating fin is attached to the air inlet, and the other end of the radiating fin is attached to the bell mouth.
6. The efficient heat dissipation structure of an industrial fan DC drive controller according to claim 1, characterized in that: the radiating fin comprises a plurality of radiating fins and a radiating air duct, the radiating fins are vertically arranged on the radiating fin, and the radiating air duct is arranged among the radiating fins.
7. The efficient heat dissipation structure of an industrial fan DC drive controller according to claim 6, wherein: the arrangement directions of the radiating fins and the radiating air duct are the same as the direction between the air inlet and the air outlet.
8. The efficient heat dissipation structure of an industrial fan DC drive controller according to claim 6, wherein: the heat sink further comprises a cover plate fastened on top of the heat dissipating fins.
9. The efficient heat dissipation structure of an industrial fan DC drive controller according to claim 3, characterized in that: the bell mouth enlarges towards the inside of the shell, and the cross section of the bell mouth is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122960821.8U CN216253729U (en) | 2021-11-29 | 2021-11-29 | High-efficient heat radiation structure of industry fan direct current drive controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122960821.8U CN216253729U (en) | 2021-11-29 | 2021-11-29 | High-efficient heat radiation structure of industry fan direct current drive controller |
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| CN216253729U true CN216253729U (en) | 2022-04-08 |
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| CN202122960821.8U Active CN216253729U (en) | 2021-11-29 | 2021-11-29 | High-efficient heat radiation structure of industry fan direct current drive controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117440664A (en) * | 2023-11-30 | 2024-01-23 | 东莞市福洋电子有限公司 | Power adapter heat dissipation structure and method |
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2021
- 2021-11-29 CN CN202122960821.8U patent/CN216253729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117440664A (en) * | 2023-11-30 | 2024-01-23 | 东莞市福洋电子有限公司 | Power adapter heat dissipation structure and method |
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