CN210579876U - Air cooling device of frequency conversion all-in-one machine - Google Patents
Air cooling device of frequency conversion all-in-one machine Download PDFInfo
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- CN210579876U CN210579876U CN201921654646.6U CN201921654646U CN210579876U CN 210579876 U CN210579876 U CN 210579876U CN 201921654646 U CN201921654646 U CN 201921654646U CN 210579876 U CN210579876 U CN 210579876U
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Abstract
A variable frequency all-in-one machine air cooling device is arranged on a variable frequency all-in-one machine and comprises a radiating fin, a first fan, a second fan and an air guide cover; an air channel is arranged in the radiating fin, and the ports of the air channel are all positioned on the end surface of the radiating fin; one end of the air guide cover is sleeved at the rear end of the shell of the motor through the arranged mounting port, and the other end of the air guide cover is provided with an air inlet; the first fan is arranged on a main shaft of the motor and is positioned in the air guide cover; the second fan is arranged on the end surface of the radiating fin; the wind scooper is divided into a first cover body and a second cover body from front to back, and the outer diameter of the second cover body is gradually reduced from front to back and is in a frustum shape. The frequency conversion all-in-one air cooling device is simple in structure, convenient to machine and manufacture, free of considering water tightness, low in manufacturing precision requirement and free of being equipped with an extra cooling liquid circulating device, reduces occupation of a field and reduces operation cost.
Description
Technical Field
The utility model belongs to the heat abstractor field especially relates to a frequency conversion all-in-one air cooling device.
Background
The frequency conversion all-in-one machine is a power device formed by integrally combining a variable frequency motor and a frequency converter, has larger heat productivity during operation, effectively dissipates heat and cools the frequency conversion all-in-one machine, and guarantees long-time and efficient operation of the frequency conversion all-in-one machine.
At present, a water cooling system is mainly adopted for cooling and temperature reduction of the frequency conversion all-in-one machine, a water channel and a water cooling plate are required to be arranged in a shell of the frequency conversion all-in-one machine, so that the shell of the frequency conversion all-in-one machine is high in processing difficulty, high in manufacturing precision requirement and high in water tightness for preventing leakage of cooling liquid. In order to realize the circulation of the cooling liquid, a storage tank, a filtering device and a circulating pump of the cooling liquid are separately arranged outside the frequency conversion integrated machine, so that the occupation of the production space by equipment is increased, the power consumption of the circulating pump in operation is large, and the operation cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the water cooling system structure that frequency conversion all-in-one adopted complicacy, processing are difficult, the running cost is high, the problem of maintenance of being not convenient for, provide a simple structure, with low costs and can satisfy the frequency conversion all-in-one air cooling device that heat dispersion required.
In order to achieve the above object, the utility model discloses a technical scheme be:
a variable frequency all-in-one machine air cooling device is arranged on a variable frequency all-in-one machine and comprises a radiating fin, a first fan, a second fan and an air guide cover;
the cooling fin is arranged on a frequency converter of the frequency conversion all-in-one machine, an air channel is arranged in the cooling fin, and ports of the air channel are all positioned on the end face of the cooling fin;
the wind scooper is arranged on a motor of the frequency conversion all-in-one machine, one end of the wind scooper is sleeved at the rear end of a shell of the motor through an installation opening, and the other end of the wind scooper is provided with an air inlet;
the first fan is arranged on a main shaft of the motor and is positioned in the wind scooper;
the second fan is arranged on the end surface of the radiating fin;
the wind guide cover is divided into a first cover body and a second cover body from front to back, and the outer diameter of the second cover body is gradually reduced from front to back and is in a frustum shape;
the air channel is vertically arranged, and the radiating fins are located right above the first cover body.
Preferably, a space is provided between the heat dissipation fin and the wind scooper.
Preferably, the outer diameter of the first fan is the same as the inner diameter of the air inlet.
Preferably, the first fan extends into the second housing.
Preferably, the second fan is mounted on a bottom surface of the heat sink.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. the frequency conversion all-in-one air cooling device is simple in structure, convenient to machine and manufacture, free of considering water tightness, low in manufacturing precision requirement and free of being equipped with an extra cooling liquid circulating device, reduces occupation of a field and reduces operation cost. The fan is arranged on the radiating fin, so that air flow of the radiating fin is accelerated, the radiating effect of the radiating fin is enhanced, the radiating performance requirement of the frequency converter can be met, the operation cost is low, and the radiating fin and the fan are both positioned on the outer side of the equipment, so that the maintenance is convenient. The fan on the motor main shaft is positioned in the air guide cover, so that air sucked by the fan is more concentrated and blown to the motor, and the radiating effect of the motor is ensured. The radiating fins are arranged above the air guide cover, so that the fans arranged on the radiating fins can attract air with lower temperature outside the air guide cover, the radiating speed of the radiating fins is further improved, and the radiating effect is improved.
2. The rear part of the wind scooper is in a frustum shape, and air which flows axially but does not enter the wind scooper can be guided to flow upwards and flow to the bottom end of the radiating fin, so that the air outside the wind scooper can more easily enter an air channel of the radiating fin, and the radiating effect of the radiating fin is improved.
3. The space between the radiating fins and the air guide cover provides enough space for air to flow, so that the air outside the air guide cover can flow upwards fully under the guidance of the second cover body, and the air flow is ensured to point to the bottom ends of the radiating fins, so that more air enters the radiating fins, and the radiating effect of the radiating fins is improved.
4. First fan external diameter and air intake phase-match make first fan can form abundant attraction to the air of each position of air intake for air flow and air flow, improve the motor radiating effect.
5. The first fan stretches into the second cover body, and the second cover body is of a closing-up structure, so that the first fan can generate larger negative pressure in a reduced space, the attraction to air is improved, the airflow speed is increased, and the heat dissipation effect of the electrode is improved.
6. The second fan is arranged at the bottom end of the radiating fin, so that the second fan is positioned at an inlet of the air channel, and air with lower temperature outside the air guide cover flows into the radiating fin more easily, so that the radiating effect is further improved.
Drawings
FIG. 1 is a side sectional structure view of the air cooling device of the frequency conversion integrated machine of the present invention;
FIG. 2 is a top view structural diagram of the cooling fin of the air cooling device of the frequency conversion integrated machine of the present invention;
in the above figures: 1. a heat sink; 11. an air passage; 21. a first fan; 22. a second fan; 3. a wind scooper; 31. an installation port; 32. an air inlet; 33. a first cover body; 34. a second cover body; x, a frequency converter; y, a motor.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, the utility model provides a frequency conversion all-in-one air cooling device dispels the heat to the frequency conversion all-in-one.
The frequency conversion all-in-one machine comprises a frequency converter X and a motor Y which are combined into an integrated structure.
The air cooling device comprises a heat sink 1, a first fan 21, a second fan 22 and an air guiding cover 3.
The radiating fins 1 are arranged on a shell of the frequency converter X, heat generated by the operation of the frequency converter X is directly transferred to the radiating fins 1, and the heat is diffused to the air outside the frequency conversion integrated machine through the radiating fins 1 to radiate the frequency converter X.
An air channel 11 is arranged in the radiating fin 1, and the air channel 11 extends from one end of the radiating fin 1 to the other end, so that the ports of the air channel 11 are all positioned on the end surface of the radiating fin 1.
The wind scooper 3 is installed on the shell of the motor Y, and the two ends of the wind scooper 3 are respectively provided with an installation opening 31 and an air inlet 32. The rear end of the shell of the motor Y extends into the mounting opening 31, so that the wind scooper 3 is sleeved on the motor Y.
The first fan 21 is installed at the rear end of the main shaft of the motor Y and is located in the wind scooper 3.
The first fan 21 rotates along with the main shaft of the motor Y, draws air at the rear side of the frequency conversion all-in-one machine into the air guide cover 3 through the air inlet 32, and sends the air to the motor Y at the front side to dissipate heat of the motor. The air flows in the wind scooper 3, the concentration of the air can be kept, and the air flow dispersion is avoided, so that sufficient air is blown to the motor Y, and the heat dissipation effect of the motor Y is guaranteed.
The wind scooper 3 is connected with the shell of the motor Y, so that heat generated by the operation of the motor B can be transferred to the wind scooper 3 and is dissipated into the air through the wind scooper 3, the heat dissipation area is increased, and the natural heat dissipation effect is improved. The air in the wind scooper 3 flows, so that the heat on the wind scooper 3 is taken away, the heat dissipation speed of the motor Y is accelerated, meanwhile, the temperature of the wind scooper 3 is reduced, the heat on the wind scooper 3 is prevented from being transferred to the air outside the wind scooper 3, and the temperature of the air outside the wind scooper 3 is lower.
The second fan 22 is installed on the end face of the heat sink 1, and can send air into the air channel 11, take away heat from the heat sink 1, and improve the heat dissipation effect of the frequency converter.
The air channel 11 is vertically arranged, and the radiating fins 1 are positioned above the air guiding cover 3, so that the second fan 22 sends air with lower temperature outside the air guiding cover 3 into the air channel 11, the heat absorption capacity of the air flowing through can be further improved, and the radiating effect is improved.
In order to make more low-temperature air outside the air guiding cover 3 enter the air channel 11, the air guiding cover 3 is divided into a first cover body 33 and a second cover body 34 from front to back, and the outer diameter of the second cover body 34 is gradually reduced from front to back and is in a frustum shape.
The heat sink 1 is located right above the first cover 33, and the second cover 34 is located behind and below the heat sink 1.
A second cover 34 in the shape of a frustum, so that the outer wall thereof is inclined. Under the suction of the first fan 22, air at the rear side of the frequency conversion all-in-one machine flows axially, one part of the air flows into the air guide cover 3 through the air inlet 32, the other part of the air flows along the outer wall of the air guide cover 3 and flows upwards to the radiating fins 1 through the outer wall of the inclined second cover body 34, so that more air enters the air channel 11, and the radiating effect of the radiating fins 1 is improved.
The interval is arranged between the radiating fin 1 and the wind scooper 3, so that the air which flows upwards and leaves the outer wall of the second cover body 34 has enough flowing space and is fully upwards deviated, the air is closer to the radiating fin 1 and then enters the air channel 11 more easily, the air flow entering the air channel 11 is improved, and the radiating effect is improved.
In order to enhance the attraction force to the air flow, the outer diameter of the first fan 21 is the same as the inner diameter of the air inlet 32, so that each position of the first fan 21 in the radial direction can attract the air on the air inlet 32, and more air enters the air guiding cover 3, thereby increasing the air volume and enhancing the heat dissipation of the motor.
The first fan 21 extends into the second cover 34 with gradually reduced inner space, so that the negative pressure in the wind scooper 3 can be enhanced, air can be sucked into the wind scooper 3 more quickly, the flow rate of air flow is increased, and the heat dissipation effect is improved.
The second fan 22 is installed on the bottom surface of the heat sink 1, and can directly act on the air outside the air guiding cover 3, and send the air into the air channel 11, so that the flow speed and flow of the air entering the air channel 11 are increased, and the heat dissipation effect is enhanced.
Claims (5)
1. A variable frequency all-in-one machine air cooling device is arranged on a variable frequency all-in-one machine and is characterized by comprising a radiating fin (1), a first fan (21), a second fan (22) and an air guide cover (3),
the radiating fin (1) is installed on a frequency converter (X) of the frequency conversion all-in-one machine, an air channel (11) is arranged in the radiating fin (1), and ports of the air channel (11) are located on the end face of the radiating fin (1);
the wind scooper (3) is installed on a motor (Y) of the frequency conversion all-in-one machine, one end of the wind scooper (3) is sleeved at the rear end of a shell of the motor (Y) through an installation opening (31), and the other end of the wind scooper (3) is provided with an air inlet (32);
the first fan (21) is arranged on a main shaft of the motor (Y) and is positioned in the wind scooper (3);
the second fan (22) is arranged on the end surface of the radiating fin (1);
the air guide cover (3) is divided into a first cover body (33) and a second cover body (34) from front to back, and the outer diameter of the second cover body (34) is gradually reduced from front to back and is in a frustum shape;
the air channel (11) is vertically arranged, and the radiating fins (1) are located right above the first cover body (33).
2. The variable-frequency all-in-one air cooling device according to claim 1, wherein a gap is formed between the radiating fin (1) and the air guide cover (3).
3. The variable-frequency all-in-one air cooling device according to claim 1, wherein the outer diameter of the first fan (21) is the same as the inner diameter of the air inlet (32).
4. The variable-frequency all-in-one air cooling device as claimed in claim 1, wherein the first fan (21) extends into the second cover body (34).
5. The variable frequency all-in-one air cooling device according to claim 1, wherein the second fan (22) is installed on the bottom surface of the heat sink (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921654646.6U CN210579876U (en) | 2019-09-30 | 2019-09-30 | Air cooling device of frequency conversion all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921654646.6U CN210579876U (en) | 2019-09-30 | 2019-09-30 | Air cooling device of frequency conversion all-in-one machine |
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| CN210579876U true CN210579876U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921654646.6U Active CN210579876U (en) | 2019-09-30 | 2019-09-30 | Air cooling device of frequency conversion all-in-one machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111770665A (en) * | 2020-06-28 | 2020-10-13 | 广德姑苏线路板有限公司 | Assembled electronic efficient radiator |
| CN114679015A (en) * | 2022-03-15 | 2022-06-28 | 杭州杰牌传动科技有限公司 | A frequency conversion integrated three-phase asynchronous motor |
| CN115313725A (en) * | 2022-07-29 | 2022-11-08 | 江苏东成工具科技有限公司 | Electric machine |
| CN115381580A (en) * | 2022-09-30 | 2022-11-25 | 德康医疗科技(天津)有限公司 | Medical dental electric suction system structure |
-
2019
- 2019-09-30 CN CN201921654646.6U patent/CN210579876U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111770665A (en) * | 2020-06-28 | 2020-10-13 | 广德姑苏线路板有限公司 | Assembled electronic efficient radiator |
| CN114679015A (en) * | 2022-03-15 | 2022-06-28 | 杭州杰牌传动科技有限公司 | A frequency conversion integrated three-phase asynchronous motor |
| CN114679015B (en) * | 2022-03-15 | 2022-12-16 | 杭州杰牌传动科技有限公司 | Frequency conversion integrated three-phase asynchronous motor |
| CN115313725A (en) * | 2022-07-29 | 2022-11-08 | 江苏东成工具科技有限公司 | Electric machine |
| CN115381580A (en) * | 2022-09-30 | 2022-11-25 | 德康医疗科技(天津)有限公司 | Medical dental electric suction system structure |
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