Frequency conversion control cabinet convenient for heat dissipation

Abstract

The utility model relates to the technical field of frequency conversion control cabinets, in particular to a frequency conversion control cabinet convenient for heat dissipation, which comprises a cabinet body, ventilation holes are arranged on the left end face and the right end face of the cabinet body, a plurality of sliding grooves distributed in an array are arranged on the left end face and the right end face inside the cabinet body, and sliding blocks are connected inside the sliding grooves in a sliding mode. Baffles are fixedly connected to the outer walls of the multiple sliding blocks, short columns are fixedly connected to the outer walls of the multiple baffles, limiting rings are fixedly connected to the left end face and the right end face of the interior of the cabinet body, rotating rings are rotationally connected to the inner walls of the two limiting rings through bearings, and multiple straight groove holes are formed in the outer walls of the two rotating rings; a plurality of short columns are respectively connected with a plurality of straight slotted holes in a sliding mode, a servo motor, a rotating shaft, a gear, a gear ring, a rotating ring, a limiting ring, a sliding groove, a sliding block and the short columns are matched, a plurality of baffles on the two sides of a synchronous belt can slide along the sliding groove, and therefore a through hole formed by the baffles becomes larger or smaller, and the size of the through hole can be flexibly adjusted according to the temperature in a cabinet body. And the heat dissipation effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency conversion control cabinets, in particular to a frequency conversion control cabinet which is convenient for heat dissipation. Background Art

[0002] The frequency conversion control cabinet is mainly used to adjust the working frequency of the equipment, reduce energy loss, start the equipment smoothly, and reduce the damage to the motor caused by the large current generated when the equipment is directly started. At the same time, it has analog input (for speed control or feedback signal), PID control, pump switching control (for constant pressure), communication function, macro function (different parameter settings for different occasions), multi-speed, etc. It can be widely used in industrial and agricultural production and various types of buildings. Water supply, drainage, fire protection, sprinkler network boosting and HVAC hot and cold water circulation and other occasions of automatic control.

[0003] The frequency conversion control cabinet will generate a high temperature when it is running, so it needs to dissipate heat in time. The existing frequency conversion control cabinet generally has heat dissipation holes on both sides for heat dissipation. When there are fewer heat dissipation holes, the heat dissipation efficiency is poor, and when there are more heat dissipation holes, dust is easy to enter, which is insufficient. Utility Model Content

[0004] In view of the above problems, the utility model proposes a variable frequency control cabinet which is convenient for heat dissipation to solve the above problems.

[0005] The utility model is implemented as follows: a frequency conversion control cabinet that is easy to dissipate heat includes a cabinet body, both left and right end surfaces of the cabinet body are provided with ventilation holes, both left and right end surfaces inside the cabinet body are provided with a plurality of slide grooves distributed in an array, the interiors of the plurality of slide grooves are slidably connected with sliders, the outer walls of the plurality of sliders are fixedly connected with baffles, the outer walls of the plurality of baffles are fixedly connected with short columns, the left and right end surfaces inside the cabinet body are fixedly connected with limit rings, the inner walls of the two limit rings are rotatably connected with swivels through bearings, the outer walls of the two swivels are provided with a plurality of straight slot holes, and the plurality of short columns are slidably connected to the plurality of straight slot holes respectively.

[0006] In order to facilitate the synchronous rotation of the two rotating rings, as a preferred frequency conversion control cabinet for easy heat dissipation of the utility model, the opposite outer walls of the two rotating rings are fixedly connected with gear rings, and a rotating shaft is rotatably connected between the left and right end surfaces inside the cabinet body. The outer wall of the rotating shaft is fixedly connected with two symmetrically distributed gears, and the two gears are respectively meshed with the two gear rings.

[0007] In order to facilitate driving the rotating shaft to rotate, as a preferred frequency conversion control cabinet for heat dissipation of the utility model, a servo motor is installed on the outer wall of the cabinet, and the output end of the servo motor is fixedly connected to the rotating shaft.

[0008] In order to prevent dust from entering the cabinet, as a preferred frequency conversion control cabinet for easy heat dissipation of the utility model, a cooling fan is installed on the right end face of the cabinet, the air outlet of the cooling fan is connected to one of the ventilation holes, and the air inlet of the cooling fan and the outer wall of the ventilation hole on the left are both provided with dustproof nets.

[0009] In order to prevent the slider from rotating in the slide groove, as a preferred embodiment of the utility model of a variable frequency control cabinet that is easy to dissipate heat, the cross-section of the slider is rectangular.

[0010] In order to facilitate the control of the equipment, as a preferred frequency conversion control cabinet for facilitating heat dissipation of the utility model, a controller is installed on the outer wall of the cabinet, and the servo motor and the cooling fan are both electrically connected to the controller.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The frequency conversion control cabinet which is convenient for heat dissipation can make multiple baffles on both sides of the synchronous belt slide along the slide groove through the cooperation of the servo motor, the rotating shaft, the gear, the gear ring, the swivel, the limit ring, the slide groove, the slider and the short column, so that the through holes formed by the multiple baffles become larger or smaller. When the temperature inside the cabinet is too high, the through holes are opened to the maximum for heat dissipation. When the temperature inside the cabinet is not high, the through holes are reduced to prevent excessive dust from entering. The size of the through holes can be flexibly adjusted according to the temperature inside the cabinet, and the heat dissipation effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the overall structure diagram of a frequency conversion control cabinet that is convenient for heat dissipation in the utility model;

[0014] Figure 2 This is a cross-sectional structural diagram of a frequency conversion control cabinet that is convenient for heat dissipation in the utility model;

[0015] Figure 3 It is a right side sectional view of the cabinet of the utility model;

[0016] Figure 4 It is the structural diagram of the baffle of the utility model.

[0017] In the figure, 1. cabinet; 2. ventilation hole; 3. slide groove; 4. slider; 5. baffle; 6. short column; 7. limit ring; 8. swivel; 9. straight slot hole; 10. gear ring; 11. rotating shaft; 12. gear; 13. servo motor; 14. cooling fan; 15. controller. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0020] See also Figure 1-4 A variable frequency control cabinet for heat dissipation includes a cabinet body 1, ventilation holes 2 are provided on both left and right end surfaces of the cabinet body 1, multiple array-distributed slide grooves 3 are provided on both left and right end surfaces inside the cabinet body 1, sliders 4 are slidably connected inside the multiple slide grooves 3, baffles 5 are fixedly connected to the outer walls of the multiple sliders 4, short columns 6 are fixedly connected to the outer walls of the multiple baffles 5, limit rings 7 are fixedly connected to the left and right end surfaces inside the cabinet body 1, swivel rings 8 are rotatably connected to the inner walls of the two limit rings 7 through bearings, multiple straight slot holes 9 are provided on the outer walls of the two swivel rings 8, and multiple short columns 6 are slidably connected to the multiple straight slot holes 9 respectively.

[0021] In this embodiment: start the servo motor 13, the servo motor 13 drives the rotating shaft 11 to rotate, and then drives the two gears 12 to rotate, the two gears 12 further drive the two gear rings 10 to rotate synchronously, and then drive the two rotating rings 8 to rotate, the two rotating rings 8 respectively drive the multiple baffles 5 and the slider 4 to slide synchronously along the slide groove 3 through the multiple straight slot holes 9 and the multiple short columns 6, so that the through hole formed by the multiple baffles 5 becomes larger or smaller, when the temperature in the cabinet 1 is too high, the through hole is opened to the maximum for heat dissipation, when the temperature in the cabinet 1 is not high, the through hole is reduced to prevent too much dust from entering, the size of the through hole can be flexibly adjusted according to the temperature in the cabinet 1, and the heat dissipation effect is good.

[0022] As a technical optimization solution of the utility model, the opposite outer walls of the two rotating rings 8 are fixedly connected with gear rings 10, and a rotating shaft 11 is rotatably connected between the left and right end surfaces inside the cabinet 1. The outer wall of the rotating shaft 11 is fixedly connected with two symmetrically distributed gears 12, and the two gears 12 are respectively meshed and connected with the two gear rings 10.

[0023] In this embodiment, the rotating shaft 11, the gear 12 and the gear ring 10 cooperate to drive the two rotating rings 8 to rotate synchronously, thereby making the ventilation holes 2 on both sides larger or smaller synchronously.

[0024] As a technical optimization solution of the present invention, a servo motor 13 is installed on the outer wall of the cabinet 1 , and the output end of the servo motor 13 is fixedly connected to the rotating shaft 11 .

[0025] In this embodiment, the rotating shaft 11 is driven to rotate by the servo motor 13, which saves time and effort.

[0026] As a technical optimization solution of the utility model, a cooling fan 14 is installed on the right end face of the cabinet 1, the air outlet of the cooling fan 14 is connected to one of the ventilation holes 2, and the air inlet of the cooling fan 14 and the outer wall of the ventilation hole 2 on the left are both provided with dustproof nets.

[0027] In this embodiment, dustproof nets are provided at the air inlet of the cooling fan 14 and the outer wall of the ventilation hole 2 on the left side to prevent dust from entering.

[0028] As a technical optimization solution of the present invention, the cross section of the slider 4 is rectangular.

[0029] In this embodiment, the cross section of the slider 4 is set to be rectangular, so as to prevent the slider 4 from rotating in the slide groove 3, resulting in the failure of the plurality of baffles 5 to fit together.

[0030] As a technical optimization solution of the present invention, a controller 15 is installed on the outer wall of the cabinet 1 , and the servo motor 13 and the cooling fan 14 are both electrically connected to the controller 15 .

[0031] In this embodiment, the device is controlled by the controller 15, which saves time and effort and improves the degree of automation.

[0032] The working principle of the utility model is as follows: the servo motor 13 is started, the servo motor 13 drives the rotating shaft 11 to rotate, and then drives the two gears 12 to rotate, the two gears 12 further drive the two gear rings 10 to rotate synchronously, and then drive the two rotating rings 8 to rotate, the two rotating rings 8 respectively drive the multiple baffles 5 and the slider 4 to slide synchronously along the slide groove 3 through the multiple straight slot holes 9 and the multiple short columns 6, so that the through hole formed by the multiple baffles 5 becomes larger or smaller, when the temperature in the cabinet 1 is too high, the through hole is opened to the maximum for heat dissipation, when the temperature in the cabinet 1 is not high, the through hole is adjusted to prevent too much dust from entering, the size of the through hole can be flexibly adjusted according to the temperature in the cabinet 1, and the heat dissipation effect is good.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A variable frequency control cabinet for facilitating heat dissipation, comprising a cabinet body (1), characterized in that: The left and right end surfaces of the cabinet (1) are provided with ventilation holes (2); the left and right end surfaces inside the cabinet (1) are provided with a plurality of slide grooves (3) distributed in an array; the interiors of the plurality of slide grooves (3) are slidably connected with sliders (4); the outer walls of the plurality of sliders (4) are fixedly connected with baffles (5); the outer walls of the plurality of baffles (5) are fixedly connected with short columns (6); the left and right end surfaces inside the cabinet (1) are fixedly connected with limit rings (7); the inner walls of the two limit rings (7) are rotatably connected with swivels (8) via bearings; the outer walls of the two swivels (8) are provided with a plurality of straight slot holes (9); and the plurality of short columns (6) are slidably connected to the plurality of straight slot holes (9), respectively.

2. A frequency conversion control cabinet for heat dissipation according to claim 1, characterized in that: The outer walls of the two rotating rings (8) facing each other are fixedly connected with gear rings (10); a rotating shaft (11) is rotatably connected between the left and right end surfaces inside the cabinet (1); the outer wall of the rotating shaft (11) is fixedly connected with two symmetrically distributed gears (12); the two gears (12) are respectively meshed and connected with the two gear rings (10).

3. A frequency conversion control cabinet for heat dissipation according to claim 2, characterized in that: A servo motor (13) is installed on the outer wall of the cabinet (1), and the output end of the servo motor (13) is fixedly connected to the rotating shaft (11).

4. A frequency conversion control cabinet for heat dissipation according to claim 3, characterized in that: A cooling fan (14) is installed on the right end surface of the cabinet (1), the air outlet of the cooling fan (14) is connected to one of the ventilation holes (2), and the air inlet of the cooling fan (14) and the outer wall of the ventilation hole (2) on the left are both provided with dustproof nets.

5. The frequency conversion control cabinet for heat dissipation according to claim 1, characterized in that: The cross section of the sliding block (4) is rectangular.

6. A frequency conversion control cabinet for heat dissipation according to claim 4, characterized in that: A controller (15) is installed on the outer wall of the cabinet (1), and the servo motor (13) and the cooling fan (14) are both electrically connected to the controller (15).

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