Intelligent frequency conversion controller

Abstract

The utility model belongs to the technical field of controllers, and particularly relates to an intelligent frequency conversion controller. Comprising a cubic shell with an opening in the rear side, a control panel is arranged on the front side face of the shell and electrically connected with a control circuit board, the control circuit board is arranged on a heat dissipation plate and electrically connected with a fan, and a fan mounting base and an air outlet hole are formed in the upper end of a left side plate or a right side plate of the shell. The fan is arranged in the fan mounting seat, the heat dissipation plate blocks the opening of the shell, and the control circuit board is located in the shell; according to the utility model, the fan is arranged on the side wall of the upper end of the shell, so that heat in the shell can be more effectively discharged by utilizing the natural convection principle of hot air rising, the proper working temperature of elements in the controller is kept, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of controller, and specifically relates to an intelligent frequency conversion controller. BACKGROUND

[0002] The intelligent frequency conversion controller comprises a shell and a control circuit board in the shell. Electronic components on the control circuit board generate heat during work, and the heat needs to be dissipated in time to keep the working temperature appropriate. The existing heat dissipation structure is to set a heat dissipation plate on the control circuit board and set a fan and a heat dissipation hole at the bottom of the shell. Since hot air rises, the fan is located below the hot air, and the fan can only carry part of the hot air out during exhaust, and cannot effectively exhaust the heat in the shell, so that the heat dissipation effect is poor, and the working temperature of the internal components of the controller is high, thereby affecting the service life of the equipment. SUMMARY

[0003] The utility model discloses a kind of intelligent frequency conversion controllers with good heat dissipation effect and long equipment service life.

[0004] The utility model is realized as follows:

[0005] An intelligent frequency conversion controller, including rear side opening, cuboid shell, the front side of shell is control panel, control panel is electrically connected with control circuit board, control circuit board is set on heat dissipation plate, and the fan is electrically connected on the control circuit board, fan mounting seat and air outlet hole are set on the upper end of left side plate or right side plate of shell, fan is set in fan mounting seat, heat dissipation plate blocks the opening of shell, and the control circuit board is located in shell.

[0006] In the above-mentioned intelligent frequency conversion controller, the fan mounting seat includes upper baffle and lower baffle arranged in an upper-lower direction, the upper baffle and the lower baffle are L-shaped, the turning portions of the upper baffle and the lower baffle are oppositely arranged and mirror-imaged, a fan mounting groove is formed between the upper baffle and the lower baffle, the turning portions and the left side plate or the right side plate can limit the fan in the left-right direction, the air outlet hole is located on the left side plate or the right side plate between the upper baffle and the lower baffle, and a limiting portion for limiting the front and rear installation positions of the fan is formed on the inner side of the fan mounting groove.

[0007] In the above-mentioned intelligent frequency conversion controller, the limiting portion includes two limiting baffles arranged in an upper-lower direction.

[0008] In the above-mentioned intelligent frequency conversion controller, the corners of the upper baffle and the lower baffle are provided with reinforcing columns, and the inner ends of the reinforcing columns extend to the inner wall of the front side plate.

[0009] In the aforementioned intelligent frequency converter, a limiting platform is provided on the inner wall of the top plate, left side plate, and right side plate of the housing, and a limiting block is provided on the inner wall of the left side plate and right side plate. The heat dissipation plate is limited between the limiting platform and the limiting block.

[0010] In the aforementioned intelligent frequency converter, the control panel includes a panel sticker, elastic members disposed on the front panel corresponding to the button positions on the panel sticker, and a control panel circuit board fixed on the inner wall of the front panel. The control panel circuit board is electrically connected to the control circuit board.

[0011] In the aforementioned intelligent frequency converter, the air outlet includes several circumferentially distributed fan-shaped holes.

[0012] In the aforementioned intelligent frequency converter, the left and right ends of the bottom plate of the housing extend outward to form a left mounting plate and a right mounting plate that are integral with the housing.

[0013] The outstanding advantages of this utility model compared to the prior art are:

[0014] 1. This utility model places the fan on the side wall at the upper end of the housing, which can utilize the natural convection principle of rising hot air to more effectively expel the heat inside the housing, maintain the appropriate operating temperature of the internal components of the controller, and extend the service life of the equipment.

[0015] 2. The heat sink plate of this utility model is limited between the limiting block and the limiting platform, requiring no fasteners. The fan is limited between the heat sink plate and the limiting part, also requiring no fasteners. It is easy to assemble and disassemble and is highly efficient. Attached image description:

[0016] Figure 1 This is a front perspective view of the present invention;

[0017] Figure 2 This is a three-dimensional view of the back of this utility model;

[0018] Figure 3 This is a schematic diagram of the casing of this utility model;

[0019] Figure 4 This is a partial schematic diagram of the casing of this utility model.

[0020] In the diagram: 1. Housing; 2. Heat sink; 3. Fan; 4. Left side panel; 5. Right side panel; 6. Upper baffle; 7. Lower baffle; 8. Limiting baffle; 9. Reinforcing column; 10. Front panel; 11. Top panel; 12. Limiting platform; 13. Limiting block; 14. Panel sticker; 15. Control panel circuit board; 16. Fan-shaped hole; 17. Left mounting plate; 18. Right mounting plate; 19. Shock-absorbing pad. Detailed implementation method:

[0021] The present invention will be further described below with reference to specific embodiments. See also: Figure 1 —4:

[0022] This utility model provides an intelligent frequency converter controller, which includes a cubic housing 1 with a rear opening. The front side of the housing 1 serves as a control panel, which is electrically connected to a control circuit board. The control circuit board is mounted on a heat sink 2, and a fan 3 is electrically connected to the control circuit board. A fan mounting base and an air outlet are provided at the upper end of either the left side plate 4 or the right side plate 5 of the housing 1, with the specific location determined according to actual conditions. In this embodiment, the fan mounting base and air outlet are located on the left side plate 4. The fan 3 is housed within the fan mounting base. The heat sink 2 seals the opening of the housing 1, acting as a cover, and the control circuit board is located inside the housing 1. Typically, the CPU module on the control circuit board is connected to the running motor via a frequency converter to achieve intelligent frequency conversion control.

[0023] This invention places the fan 3 on the upper part of the left side plate 4 or the right side plate 5 of the housing 1. It can utilize the natural convection principle of rising hot air to more effectively expel the heat inside the housing 1, maintain the appropriate operating temperature of the electronic components on the control circuit board, and extend the service life of the equipment.

[0024] Furthermore, the fan mounting base of this utility model includes an upper baffle 6 and a lower baffle 7 arranged at intervals. The upper baffle 6 and the lower baffle 7 are L-shaped, and the turning parts of the upper baffle 6 and the lower baffle 7 face each other and are mirror images of each other. A fan slot is formed between the upper baffle 6 and the lower baffle 7. The turning parts and the left side plate 4 or the right side plate 5 can limit the fan 3 in the left and right directions. The air outlet is located on the left side plate 4 or the right side plate 5 between the upper baffle 6 and the lower baffle 7. A limiting part is formed on the left side plate 4 or the right side plate 5 inside the fan slot to limit the front and rear installation position of the fan 3.

[0025] During installation, insert fan 3 into the fan slot, and the corresponding end of fan 3 can abut against the limiting part.

[0026] Specifically, the limiting part includes two limiting baffles 8 arranged vertically and horizontally, with the limiting baffles 8 arranged in the left-right direction. The corresponding end of the fan 3 can be limited by the limiting baffles 8.

[0027] In order to improve the strength of the upper baffle 6 and the lower baffle 7, the present invention provides a reinforcing post 9 at the corner of the upper baffle 6 and the lower baffle 7, and the inner end of the reinforcing post 9 extends to the inner wall of the front side plate 10.

[0028] Furthermore, the inner walls of the top plate 11, left side plate 4, and right side plate 5 of the housing 1 of this invention are respectively provided with limiting platforms 12, and limiting blocks 13 are provided on the inner walls of the left side plate 4 and right side plate 5. The heat sink 2 is limited between the limiting platforms 12 and the limiting blocks 13, eliminating the need for fasteners. Moreover, the fan 3 is limited between the heat sink 2 and the limiting part, allowing for gaps between the fan 3, the heat sink 2, and the limiting part. The fan 3 does not need to be fixed to the fan mounting base with fasteners, facilitating easy assembly and disassembly and improving assembly efficiency.

[0029] It should be noted that the control panel of this utility model includes a panel sticker 14, elastic members disposed on the front side panel 10 corresponding one-to-one with the button positions on the panel sticker 14, and a control panel circuit board 15 fixed on the inner side wall of the front side panel 10, wherein the panel sticker 14 is attached to the outer side wall of the front side panel 10. The control panel circuit board 15 is electrically connected to the control circuit board.

[0030] To ensure uniform airflow, the air outlet of this invention includes several circumferentially distributed fan-shaped holes 16.

[0031] In use, this utility model requires installation and fixation. Therefore, this utility model has left mounting plate 17 and right mounting plate 18 extending outward from both ends of the bottom plate of the housing 1, forming an integral structure with the housing 1. Mounting holes are provided on the left mounting plate 17 and right mounting plate 18, and bolts pass through the mounting holes and are connected to shock-absorbing pads 19 and screwed onto the motor or other device.

[0032] The above embodiments are only one of the preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes made in accordance with the shape, structure and principle of this utility model should be covered within the protection scope of this utility model.

Claims

1. An intelligent frequency converter, characterized in that: The housing (1) is cubic in shape with a rear opening. The front side of the housing (1) is a control panel. The control panel is electrically connected to the control circuit board. The control circuit board is mounted on a heat sink (2). A fan (3) is electrically connected to the control circuit board. A fan mounting base and an air outlet are provided at the upper end of the left side plate (4) or right side plate (5) of the housing (1). The fan (3) is mounted in the fan mounting base. The heat sink (2) blocks the opening of the housing (1), and the control circuit board is located inside the housing (1).

2. The intelligent frequency converter according to claim 1, characterized in that: The fan mounting base includes an upper baffle (6) and a lower baffle (7) spaced apart vertically. The upper baffle (6) and the lower baffle (7) are L-shaped. The turning parts of the upper baffle (6) and the lower baffle (7) face each other and are mirror images. A fan mounting groove is formed between the upper baffle (6) and the lower baffle (7). The turning part and the left side plate (4) or the right side plate (5) can limit the fan (3) in the left and right directions. The air outlet is located on the left side plate (4) or the right side plate (5) between the upper baffle (6) and the lower baffle (7). A limiting part is formed on the inner side of the fan mounting groove to limit the front and rear installation position of the fan (3).

3. The intelligent frequency converter according to claim 2, characterized in that: The limiting part includes two limiting baffles (8) that are spaced apart vertically, and the limiting baffles (8) are arranged in the left-right direction.

4. The intelligent frequency converter according to claim 2, characterized in that: A reinforcing post (9) is provided at the corner of the upper baffle (6) and the lower baffle (7), and the inner end of the reinforcing post (9) extends to the inner wall of the front side plate (10).

5. An intelligent frequency converter according to any one of claims 1-4, characterized in that: Limiting platforms (12) are respectively provided on the inner walls of the top plate (11), left side plate (4) and right side plate (5) of the housing (1), and limiting blocks (13) are provided on the inner walls of the left side plate (4) and right side plate (5). The heat sink (2) is limited between the limiting platform (12) and the limiting block (13).

6. The intelligent frequency converter according to claim 1, characterized in that: The control panel includes a panel sticker (14), elastic elements on the front side plate (10) corresponding to the button positions on the panel sticker (14), and a control panel circuit board (15) fixed on the inner side wall of the front side plate (10). The control panel circuit board (15) is electrically connected to the control circuit board.

7. The intelligent frequency converter according to claim 1, characterized in that: The air outlet includes several circumferentially distributed fan-shaped holes (16).

8. The intelligent frequency converter according to claim 1, characterized in that: The bottom plate of the housing (1) extends outward at both ends to form a left mounting plate (17) and a right mounting plate (18) that are integral with the housing (1).

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