CN217389310U - Frequency conversion controller heat radiation structure of air compressor - Google Patents
Frequency conversion controller heat radiation structure of air compressor Download PDFInfo
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- CN217389310U CN217389310U CN202220841797.8U CN202220841797U CN217389310U CN 217389310 U CN217389310 U CN 217389310U CN 202220841797 U CN202220841797 U CN 202220841797U CN 217389310 U CN217389310 U CN 217389310U
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Abstract
The utility model provides a frequency conversion controller heat radiation structure of air compressor machine belongs to air compressor machine technical field. It has solved the poor problem of frequency conversion controller's among the current air compressor machine radiating effect. This frequency conversion controller heat radiation structure of air compressor machine, including air compressor machine aircraft nose and frequency conversion controller, the air compressor machine aircraft nose includes motor casing and the cooling fan blade of setting in motor casing one end, frequency conversion controller fixes on motor casing's lateral wall, the last cooling duct of offering along the air compressor machine aircraft nose axial that has of frequency conversion controller, be provided with the radiator that is connected with frequency conversion controller in the cooling duct, set up the air intake that is linked together with the cooling duct on motor casing's the lateral wall, this air intake is located the rear of cooling fan blade, and the wind energy that enters into the cooling duct through the air intake is enough blown on the radiator. The heat dissipation mode of the structure can realize a good heat dissipation effect by using a radiator with a small volume, and the manufacturing cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the air compressor machine, especially a frequency conversion controller heat radiation structure of air compressor machine.
Background
The air compressor is called as an air compressor for short, the air compressor is developed rapidly in recent years and widely applied to various industries, and particularly the variable frequency air compressor is popular with wide users due to the characteristics of energy conservation, small mechanical impact, low failure rate and the like. The frequency converter is used in the air compressor system, so that the air compressor system can control the output power in real time on the premise of not changing the load dragging capacity of the air compressor through the accurate matching of electrical control and frequency conversion control, the change of the system pressure is responded by changing the rotating speed of the compressor, and the stable system pressure is kept, so that the high-quality compressed air can be output as required.
At present, chinese patent network discloses integral type brushless permanent magnetism frequency conversion air compressor machine [ grant bulletin No.: CN205260260U, including gas receiver, pressure sensing assembly, do not have oily aircraft nose, cylinder, inverter motor, variable frequency controller and support frame, it fixes on the gas receiver through the support frame to do not have oily aircraft nose, the cylinder is fixed in no oily aircraft nose top, inverter motor fixes at the middle of the oilless aircraft nose on both sides, inverter motor shell has the fin, inverter controller adorns on the fin, the fin is the outside slice fin that extends of inverter motor shell, the fin parallel encircles at inverter motor shell.
Among the brushless permanent magnetism frequency conversion air compressor of above-mentioned integral type, frequency conversion controller's shell and fin contact, frequency conversion controller also synchronous start work after the air compressor machine work, a great deal of electrical component has on the inside control scheme board of frequency conversion controller, these electrical component can produce the heat at the in-process of work, the heat is through giving the fin with the frequency conversion controller shell, this structure is equivalent to the fin and dispels the heat to the inside electrical component of frequency conversion controller indirectly, this kind of radiating mode effect is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a variable frequency controller heat radiation structure of air compressor machine, the utility model aims to solve the technical problem that: how to improve the heat dissipation effect of the frequency conversion controller.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a frequency conversion controller heat radiation structure of air compressor machine, includes air compressor machine aircraft nose and frequency conversion controller, the air compressor machine aircraft nose includes motor casing and sets up the cooling fan blade in motor casing one end, frequency conversion controller fixes on motor casing's lateral wall, its characterized in that, the last cooling air duct of offering along the air compressor machine aircraft nose axial that has of frequency conversion controller, be provided with the radiator that is connected with frequency conversion controller in the cooling air duct, set up the air intake that is linked together with the cooling air duct on motor casing's the lateral wall, this air intake is located the rear of cooling fan blade to the wind energy that enters into the cooling air duct through the air intake is enough blown on the radiator.
In the existing air compressor, a cooling fan blade is sleeved on a rotating shaft of a motor, the cooling fan blade rotates immediately after the air compressor works, a variable frequency controller also works synchronously, heat can be generated in the working process of the variable frequency controller, a radiator absorbs the heat generated in the working process of the variable frequency controller, wind is blown into a cooling air duct through an air inlet after the cooling fan blade rotates, the wind flows through the cooling air duct to take away the heat of the radiator, and then the variable frequency controller is indirectly cooled by heat dissipation. The radiator of the structure is arranged inside the variable frequency controller, and the radiator is cooled by introducing air generated by rotation of the cooling fan blade of the air compressor head into the cooling air channel, the cooling fan blade in the air compressor head is large in size, the air generated by rotation of the cooling fan blade has the characteristics of large air volume and high flow speed, and the air flowing through the cooling air channel also has the characteristics of large air volume and high flow speed, so that the heat of the radiator can be taken away quickly, the cooling effect on the radiator is improved remarkably, and the cooling effect on the variable frequency controller is improved remarkably; in addition, compared with the prior art, the heat dissipation method can achieve a good heat dissipation effect by using the radiator with a small volume, and manufacturing cost is reduced.
In the frequency conversion controller heat radiation structure of the air compressor, the air inlet is located on the front side of the radiator, or the air inlet and one side of the radiator are arranged oppositely. Through the arrangement of the structure, wind energy entering the cooling air duct from the air inlet can be ensured to be blown on the radiator.
In the above-mentioned frequency conversion controller heat radiation structure of an air compressor, an extension portion that is laminated with the outside wall of the motor casing is provided on one side of the frequency conversion controller, the extension portion is provided with a guide flow channel, one end of the guide flow channel is communicated with the air inlet, and the other end is communicated with one end of the cooling air duct. Through the arrangement of the structure, the wind generated by the rotation of the cooling fan blade flows through the air inlet, the guide flow channel and the cooling air channel in sequence, and the guide flow channel is used for introducing the wind at the air inlet into the cooling air channel.
In the above frequency conversion controller heat dissipation structure of an air compressor, the cooling air duct is disposed near the rear of the air inlet, and the guide flow channel is disposed in an inclined manner. Through the setting of this structure, the direction runner is and makes the wind of air intake department can be quick enter into the cooling air duct after the slope sets up in, reduces the air inlet and hinders, improves intake and air inlet speed, further improves the radiating effect to the radiator.
In the above-mentioned frequency conversion controller heat radiation structure of an air compressor machine, the air inlet is arranged near the cooling fan blade. Through the setting of this structure, the air intake is close to the cooling fan blade and sets up the back, and the wind that the cooling fan blade rotated the back produces passes through the air intake immediately and enters into the cooling air duct in, guarantees to have great intake and higher wind speed in the cooling air duct.
In foretell frequency conversion controller heat radiation structure of air compressor machine, frequency conversion controller includes controller shell and the control circuit board of setting in the controller shell, the last controller CPU that has of control circuit board, the cooling air duct is linked together with the inside of controller shell, the radiator contacts or laminates with controller CPU. Through the setting of this structure, frequency conversion controller is in the course of the work, and the heat that controller CPU produced is the most, and the radiator is direct to contact or laminate with controller CPU for on the heat direct conduction that controller CPU produced the radiator, make the radiator directly dispel the heat to controller CPU and cool down, avoid controller CPU the too high condition of temperature to appear, guarantee that controller CPU can the steady operation.
In the above frequency conversion controller heat radiation structure of an air compressor, the control circuit board further comprises a plurality of circuit modules, and the radiator is in contact with or attached to at least one circuit module. Through the setting of this structure, variable frequency controller is in the course of the work, and all the other circuit module except that controller CPU also can produce certain heat, and the radiator directly carries out the direct cooling of dispelling the heat to one or more circuit module, avoids all the other circuit module except that controller CPU the condition that the high temperature appears, guarantees control circuit board job stabilization nature.
In the above-mentioned frequency conversion controller heat radiation structure of an air compressor, the controller shell is made of plastics. Through the setting of this structure, after the radiating mode of this scheme of adoption for inverter controller has very good radiating effect, therefore need not to adopt the controller shell of aluminium system to carry out extra heat dissipation, can further reduce manufacturing cost after this controller shell adopts plastics to make.
In the above-mentioned frequency conversion controller heat radiation structure of air compressor machine, controller shell and radiator are all made of aluminium material, controller shell and radiator integrated into one piece. Through the setting of this structure, controller shell and radiator integrated into one piece compare with split type structure, have made things convenient for manufacturing, and aluminium material makes controller shell and radiator and has also further improved the radiating effect simultaneously.
In foretell frequency conversion controller heat radiation structure of air compressor machine, the last lower part of controller shell one side all has two at least installation departments, the last lower part of motor casing one side all has two at least location bosss, installation department and location boss one-to-one to the installation department passes through the fastener with corresponding location boss and is connected. Through the arrangement of the structure, the frequency conversion controller is simple, convenient and firm to install on the motor shell, and meanwhile, the frequency conversion controller is convenient to disassemble.
Compared with the prior art, the utility model discloses a frequency conversion controller heat radiation structure of air compressor machine has following advantage:
1. the radiator of the structure is arranged inside the variable frequency controller, the radiator is cooled by introducing air generated by rotation of the cooling fan blade of the air compressor head into the cooling air channel, the cooling fan blade in the air compressor head is large in size, the air generated by rotation of the cooling fan blade has the characteristics of large air volume and high flow speed, and the air flowing through the cooling air channel also has the characteristics of large air volume and high flow speed, so that the heat of the radiator can be taken away quickly, the cooling effect on the radiator is improved obviously, and the heat dissipation effect on the variable frequency controller is improved obviously;
2. the radiator of the structure is directly contacted or attached with the controller CPU, so that heat generated by the controller CPU is directly conducted to the radiator, the radiator directly conducts heat dissipation and cooling on the controller CPU, the situation that the temperature of the controller CPU is too high is avoided, and the controller CPU can stably run;
3. after the heat dissipation mode of this scheme of adoption for inverter controller has very good radiating effect, therefore need not to adopt the controller shell of aluminium system to carry out extra heat dissipation, can further reduce manufacturing cost after this controller shell adopts plastics to make.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is one of the explosion structure diagrams of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a schematic sectional view of the present invention.
Fig. 5 is a schematic perspective view of the heat sink of the present invention.
Fig. 6 is a schematic sectional view of the heat sink of the present invention.
Fig. 7 is a second schematic diagram of the explosion structure of the present invention.
In the figure, 1, an air compressor head; 10. a motor housing; 101. positioning the boss; 11. cooling the fan blades; 2. a variable frequency controller; 20. a controller housing; 201. an installation part; 21. a control circuit board; 22. an extension portion; 3. a cooling air duct; 4. a heat sink; 5. an air inlet; 6. and (4) guiding the flow channel.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, this frequency conversion controller heat radiation structure of air compressor machine, including air compressor machine aircraft nose 1 and frequency conversion controller 2, air compressor machine aircraft nose 1 includes motor casing 10 and sets up the cooling fan blade 11 in motor casing 10 one end, and 11 covers of cooling fan blade are established in the one end of the pivot of motor, and when the air compressor machine started, the pivot of motor rotated and then driven cooling fan blade 11 and rotated, and frequency conversion controller 2 was fixed on the lateral wall of motor casing 10.
As shown in fig. 1 to 6, a cooling air duct 3 provided along the axial direction of the air compressor head 1 is provided on the frequency conversion controller 2, the cooling air duct 3 is a cooling air duct 3 penetrating from front to back, an extension portion 22 attached to the outer side wall of the motor housing 10 is provided on one side surface of the frequency conversion controller 2, the extension portion 22 is provided with a guide flow passage 6, a radiator 4 connected to the frequency conversion controller 2 is provided in the cooling air duct 3, the radiator 4 is a commercially available aluminum profile radiator, an air inlet 5 is provided on the side wall of the motor housing 10, one end of the guide flow passage 6 is communicated with the air inlet 5, the other end is communicated with one end of the cooling air duct 3, the air inlet 5 is located behind the cooling fan blade 11, and the air inlet 5 is located in front of the radiator 4. After the air compressor machine starts, motor and frequency conversion controller 2 in the air compressor machine aircraft nose begin work, can produce the heat in the 2 working processes of frequency conversion controller, the heat that produces in the 2 working processes of frequency conversion controller is absorbed to radiator 4, cooling blade 11 rotates the back and passes through air intake 5, in guide flow channel 6 blows in cooling duct 3, and flow out from 3 afterbody in cooling duct, the heat of radiator 4 is taken away after cooling duct 3 to the wind flow, and then the indirect cooling that dispels the heat to frequency conversion controller 2. The radiator 4 of the structure is arranged inside the variable frequency controller 2, the radiator 4 is cooled by introducing air generated by rotation of the cooling fan blade 11 of the air compressor head 1 into the cooling air channel 3, the cooling fan blade 11 in the air compressor head 1 is large in size, the air generated by rotation of the cooling fan blade 11 has the characteristics of large air quantity and high flow speed, and the air flowing through the cooling air channel 3 also has the characteristics of large air quantity and high flow speed, so that the heat of the radiator 4 can be taken away quickly, the cooling effect on the radiator 4 is improved remarkably, and the heat dissipation effect on the variable frequency controller 2 is improved remarkably; in addition, compared with the prior art, the heat dissipation method of the scheme can realize a very good heat dissipation effect by using the radiator 4 with a small volume, and the manufacturing cost is reduced.
As shown in fig. 2 and 4, the air inlet 5 is disposed close to the cooling fan blade 11, and after the air inlet 5 is disposed close to the cooling fan blade 11, the air generated by the rotation of the cooling fan blade 11 immediately enters the cooling air duct 3 through the air inlet 5, so as to ensure that the cooling air duct 3 has a large air inlet amount and a high air speed; the cooling air duct 3 is arranged behind the air inlet 5, the guide flow channel 6 is arranged obliquely, and after the guide flow channel 6 is arranged obliquely, air at the air inlet 5 can quickly enter the cooling air duct 3, so that air inlet obstruction is reduced, the air inlet amount and the air inlet speed are increased, and the heat dissipation effect on the heat sink 4 is further improved.
As shown in fig. 4 and 6, the variable frequency controller 2 includes a controller case 20 and a control circuit board 21 disposed inside the controller case 20, the controller case 20 being made of plastic; the control circuit board 21 is provided with a controller CPU, the cooling air duct 3 is communicated with the inside of the controller shell 21, the radiator 4 is contacted with or attached to the controller CPU, the control circuit board 21 further comprises a plurality of circuit modules, and the radiator 4 is contacted with or attached to at least one circuit module. Frequency conversion controller 2 is in the course of the work, controller CPU and circuit module all can produce the heat, the heat that controller CPU produced is the most, radiator 4 directly contacts or laminates with controller CPU and partial circuit module, make the heat that controller CPU and partial circuit module produced directly conduct to radiator 4 on, make radiator 4 directly dispel the heat the cooling to controller CPU and partial circuit module, avoid controller CPU and partial circuit module the too high condition of temperature to appear, guarantee that control circuit board can the steady operation.
As shown in fig. 7, the upper and lower portions of one side of the controller housing 20 each have at least two mounting portions 201, the upper and lower portions of one side of the motor housing 10 each have at least two positioning bosses 101, the mounting portions 201 correspond to the positioning bosses 101 one to one, and the mounting portions 201 are connected to the corresponding positioning bosses 101 by fasteners, so that the frequency conversion controller 2 is simply, conveniently and firmly mounted on the motor housing 10, and the frequency conversion controller 2 is also conveniently detached.
Example 2
This embodiment is substantially the same as embodiment 1 described above, except that: in this embodiment, the air inlet 5 is disposed opposite to one side of the heat sink 4, that is, the air entering the cooling air duct 3 through the air inlet 5 directly blows on the heat sink 4, in order to ensure a better cooling effect on the heat sink 4, specifically, the air inlet 5 corresponds to one third or one half of the heat sink 4, so that most of the heat sink 4 can be blown by the air, and further, the heat dissipation effect is ensured.
Example 3
This embodiment is basically the same as the above embodiment 1 except that: the controller case 20 and the heat sink 4 are each made of an aluminum material, and the controller case 20 is integrally formed with the heat sink 4. The controller shell 20 and the radiator 4 are integrally formed, compared with a split structure, the controller shell and the radiator are convenient to process and manufacture, and meanwhile, the controller shell 20 and the radiator 4 made of aluminum materials further improve the radiating effect.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A frequency conversion controller heat radiation structure of an air compressor comprises an air compressor head (1) and a frequency conversion controller (2), the air compressor head (1) comprises a motor shell (10) and a cooling blade (11) arranged in one end of the motor shell (10), the frequency conversion controller (2) is fixed on the outer side wall of the motor shell (10), it is characterized in that the frequency conversion controller (2) is provided with a cooling air duct (3) which is arranged along the axial direction of the air compressor head (1), a radiator (4) connected with the variable frequency controller (2) is arranged in the cooling air duct (3), an air inlet (5) communicated with the cooling air duct (3) is arranged on the side wall of the motor shell (10), the air inlet (5) is positioned behind the cooling fan blade (11), and air entering the cooling air duct (3) through the air inlet (5) can blow on the radiator (4).
2. The variable frequency controller heat dissipation structure of an air compressor as claimed in claim 1, wherein the air inlet (5) is located at a front side of the heat sink (4), or the air inlet (5) is disposed opposite to a side of the heat sink (4).
3. The variable frequency controller heat dissipation structure of an air compressor as claimed in claim 1, wherein an extension portion (22) attached to an outer side wall of the motor housing (10) is provided on one side surface of the variable frequency controller (2), the extension portion (22) has a guide flow channel (6), one end of the guide flow channel (6) is communicated with the air inlet (5), and the other end is communicated with one end of the cooling air duct (3).
4. The heat dissipation structure of the inverter controller of the air compressor as claimed in claim 3, wherein the cooling air duct (3) is disposed at a rear position with respect to the air inlet (5), and the guide flow channel (6) is disposed in an inclined manner.
5. The variable frequency controller heat dissipation structure of the air compressor as claimed in any one of claims 1 to 4, wherein the air inlet (5) is disposed close to the cooling fan blade (11).
6. The heat dissipation structure of the variable frequency controller of the air compressor as claimed in any one of claims 1 to 4, wherein the variable frequency controller (2) comprises a controller housing (20) and a control circuit board (21) disposed in the controller housing (20), the control circuit board (21) is provided with a controller CPU, the cooling air duct (3) is communicated with the inside of the controller housing (20), and the heat sink (4) is in contact with or attached to the controller CPU.
7. The heat dissipation structure for the inverter controller of an air compressor as claimed in claim 6, wherein the control circuit board (21) further comprises a plurality of circuit modules, and the heat sink (4) is in contact with or attached to at least one of the circuit modules.
8. The variable frequency controller heat dissipation structure of air compressor as claimed in claim 6, wherein the controller housing (20) is made of plastic.
9. The variable-frequency controller heat dissipation structure of air compressor as claimed in claim 6, wherein the controller housing (20) and the heat sink (4) are both made of aluminum material, and the controller housing (20) and the heat sink (4) are integrally formed.
10. The heat dissipation structure of the inverter controller of the air compressor as claimed in claim 6, wherein the controller housing (20) has at least two mounting portions (201) at upper and lower portions thereof, the motor housing (10) has at least two positioning bosses (101) at upper and lower portions thereof, the mounting portions (201) correspond to the positioning bosses (101) one to one, and the mounting portions (201) are connected to the corresponding positioning bosses (101) by fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220841797.8U CN217389310U (en) | 2022-04-12 | 2022-04-12 | Frequency conversion controller heat radiation structure of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220841797.8U CN217389310U (en) | 2022-04-12 | 2022-04-12 | Frequency conversion controller heat radiation structure of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217389310U true CN217389310U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220841797.8U Active CN217389310U (en) | 2022-04-12 | 2022-04-12 | Frequency conversion controller heat radiation structure of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217389310U (en) |
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2022
- 2022-04-12 CN CN202220841797.8U patent/CN217389310U/en active Active
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