A multi-motor special driving control frequency converter with self-cooling mechanism

Abstract

The utility model discloses a kind of multi-motor special drive control frequency converters with self-cooling mechanism, the utility model relates to the field of frequency converter, and it includes: frequency converter body, adapter plate, auxiliary mechanism and adjusting mechanism, the back of the frequency converter body is provided with adapter plate, one side of the adapter plate is provided with link block, one side of the link block is provided with first connecting plate, the auxiliary mechanism is used to guide the direction of external wind force, the adjusting mechanism is used to adjust the installation angle of adapter plate, the multi-motor special drive control frequency converter with self-cooling mechanism, by air guide frame, shielding plate and the like component cooperation, can guide wind force to realize heat dissipation, can also prevent dust from entering, can also provide compression protection, multifunctional integration, and also can be adjusted by using gear, bevel gear transmission, realize adapter plate installation angle adjustment, compact structure, transmission precision, satisfy different installation needs.

Description

Technical Field

[0001] This utility model relates to the field of frequency converter technology, specifically to a multi-motor dedicated drive control frequency converter with a self-cooling mechanism. Background Technology

[0002] A frequency converter is a power control device used to change the frequency of the power supply to a motor, and it is widely used in industrial production and other fields. In actual use, frequency converters generate a large amount of heat during operation. If this heat cannot be dissipated in time, the equipment temperature will become too high, affecting its performance and lifespan. Furthermore, in some special environments (such as those containing flammable or explosive gases), overheating of the frequency converter may also cause explosions and other safety accidents, seriously threatening production safety and the safety of personnel and property.

[0003] Publication number CN213585554U describes a dedicated explosion-proof frequency converter for motor drive control. It utilizes a rotating blade connected to one end face of the explosion-proof housing, employing wind power to rotate the blade and achieve airflow exchange within the housing for heat dissipation. Simultaneously, heat dissipation fins are installed on the upper end face of the housing, allowing heat absorbed by the housing to be expelled, further cooling the frequency converter body. Furthermore, a second explosion-proof airbag, filled with high-pressure inert gas, is rotatably connected and fixed at the top of the housing. In the event of an overheated explosion by the frequency converter body, the second airbag ruptures, releasing oxygen and extinguishing the fire, preventing further damage from the explosion.

[0004] However, this technical solution only focuses on passive heat dissipation through mechanical ventilation and heat sink fins, and on extinguishing fires with inert gases in the event of an explosion. It lacks effective means to actively adjust heat dissipation methods and protective measures under different environments, and cannot flexibly optimize heat dissipation and protection effects according to actual working conditions.

[0005] Therefore, in order to address the shortcomings of the existing technology, a multi-motor dedicated drive control frequency converter with a self-cooling mechanism was proposed. Utility Model Content

[0006] The purpose of this invention is to provide a multi-motor dedicated drive control frequency converter with a self-cooling mechanism to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a multi-motor dedicated drive control frequency converter with a self-cooling mechanism, comprising: a frequency converter body, an adapter plate, an auxiliary mechanism and an adjustment mechanism, wherein the back of the frequency converter body is provided with an adapter plate, one side of the adapter plate is provided with a connecting block, and one side of the connecting block is provided with a first connecting plate.

[0008] The auxiliary mechanism is used to guide the direction of external wind force;

[0009] The adjustment mechanism is used to adjust the installation angle of the adapter plate.

[0010] Furthermore, the auxiliary mechanism includes an air guide frame, a dustproof net, a shielding plate, an external limiting frame, a first rack, a second rack, a return spring, a sliding bearing, a limiting shaft, a second gear, a slider, and a slide groove. Air guide frames are provided on both sides of the outside of the inverter body. A slide groove is provided on the inner side of the air guide frame near the front of the inverter body. A slider is provided on the inner side of the slide groove. A shielding plate is provided on one side of the slider. A dustproof net is provided on the surface of the air guide frame. A second gear is provided on both sides of the inverter body near the air guide frame. A second rack is provided on one side of the second gear. A sliding bearing is provided on the outside of the second rack. A limiting shaft is vertically provided on the inner side of the sliding bearing. A return spring is sleeved on the outside of the limiting shaft near the bottom of the sliding bearing. An external limiting frame is provided on the outside of the limiting shaft. A first rack is provided on the front of the sliding bearing.

[0011] Furthermore, the length of the first rack is the same as the length of the second rack.

[0012] Furthermore, the sawtooth structure on the outside of the second gear meshes with the sawtooth structure of the second rack, and the slider on one side of the shielding plate forms a sliding connection with the slide groove.

[0013] Furthermore, the adjustment mechanism includes a first gear, a rotating shaft, a connecting block, a second bevel gear, an additional mounting plate, a first bevel gear, and a second connecting plate. A first gear is provided on one side of the first rack, a rotating shaft is provided on the back of the first gear, a second bevel gear is provided at one end of the rotating shaft, a connecting block is provided at the middle of the outside of the rotating shaft, the connecting block is fixedly connected to the adapter plate, a first connecting plate is provided on the back of the connecting block, a second connecting plate is provided on the side of the front of the first connecting plate away from the inverter body, a first bevel gear is provided on the upper end of the front of the second connecting plate near the second bevel gear, and an additional mounting plate is provided at the bottom of the second connecting plate.

[0014] Furthermore, when the first bevel gear rotates, it can drive the second connecting plate and the additional mounting plate to rotate.

[0015] Furthermore, the second bevel gear can rotate along with the shaft.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This utility model, through the cooperation of components such as air guide frame and shielding plate, can not only guide air to achieve heat dissipation, but also prevent dust from entering and provide pressure protection, integrating multiple functions;

[0018] 2. This utility model utilizes gear and bevel gear transmission to achieve adjustment of the mounting angle of the adapter plate, resulting in a compact structure, precise transmission, and the ability to meet various installation requirements. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the multi-motor dedicated drive control frequency converter with a self-cooling mechanism of this utility model - front view;

[0020] Figure 2 This is a schematic diagram of the internal structure of the multi-motor dedicated drive control frequency converter with a self-cooling mechanism according to this utility model. Figure 1 ;

[0021] Figure 3 This is a schematic diagram of the internal structure of the multi-motor dedicated drive control frequency converter with a self-cooling mechanism according to this utility model. Figure 2 ;

[0022] Figure 4 This is a partially enlarged view of the adjustment mechanism of the multi-motor dedicated drive control frequency converter with self-cooling mechanism of this utility model;

[0023] Figure 5 This is a partial schematic diagram of the auxiliary mechanism of the multi-motor dedicated drive control frequency converter with self-cooling mechanism of this utility model. Figure 1 ;

[0024] Figure 6 This is a partial schematic diagram of the auxiliary mechanism of the multi-motor dedicated drive control frequency converter with self-cooling mechanism of this utility model. Figure 2 .

[0025] In the diagram: 1. Inverter body; 2. Air guide frame; 3. Dustproof net; 4. Shielding plate; 5. First connecting plate; 6. Second connecting plate; 7. First bevel gear; 8. Additional mounting plate; 9. Second bevel gear; 10. Rotating shaft; 11. Connecting block; 12. First gear; 13. First rack; 14. External limiting frame; 15. Second rack; 16. Return spring; 17. Sliding bearing; 18. Limiting shaft; 19. Second gear; 20. Slide groove; 21. Sliding block; 22. Adaptor plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figures 1-6As shown, a multi-motor dedicated drive control frequency converter with a self-cooling mechanism includes: frequency converter body 1, adapter plate 22, auxiliary mechanism and adjustment mechanism. The adapter plate 22 is provided on the back of the frequency converter body 1, a connecting block 11 is provided on one side of the adapter plate 22, and a first connecting plate 5 is provided on one side of the connecting block 11.

[0028] The auxiliary mechanism is used to guide the direction of external wind force;

[0029] The adjustment mechanism is used to adjust the installation angle of the adapter plate 22.

[0030] The auxiliary mechanism includes an air guide frame 2, a dustproof net 3, a shielding plate 4, an external limiting frame 14, a first rack 13, a second rack 15, a return spring 16, a sliding bearing 17, a limiting shaft 18, a second gear 19, a slider 21, and a slide groove 20. Air guide frames 2 are provided on both sides of the outside of the inverter body 1. A slide groove 20 is provided on the inner side of the air guide frame 2, near the front of the inverter body 1. A slider 21 is provided inside the slide groove 20, and a shielding plate 4 is provided on one side of the slider 21. A dustproof net 3 is provided on the surface of the frame 2. A second gear 19 is provided on both sides of the inverter body 1 near the air guide frame 2. A second rack 15 is provided on one side of the second gear 19. A sliding bearing 17 is provided on the outside of the second rack 15. A limit shaft 18 is vertically provided on the inner side of the sliding bearing 17. A reset spring 16 is sleeved on the outside of the limit shaft 18 near the bottom of the sliding bearing 17. An external limit frame 14 is provided on the outside of the limit shaft 18. A first rack 13 is provided on the front of the sliding bearing 17.

[0031] The adjustment mechanism includes a first gear 12, a rotating shaft 10, a connecting block 11, a second bevel gear 9, an additional mounting plate 8, a first bevel gear 7, and a second connecting plate 6. The first gear 12 is provided on one side of the first rack 13, the rotating shaft 10 is provided on the back of the first gear 12, the second bevel gear 9 is provided at one end of the rotating shaft 10, the connecting block 11 is provided at the middle of the outside of the rotating shaft 10, the connecting block 11 is fixedly connected to the adapter plate 22, the first connecting plate 5 is provided on the back of the connecting block 11, the second connecting plate 6 is provided on the side of the first connecting plate 5 away from the inverter body 1, the first bevel gear 7 is provided on the upper end of the front of the second connecting plate 6 near the second bevel gear 9, and the additional mounting plate 8 is provided at the bottom of the second connecting plate 6.

[0032] Example 1: In this example, the dustproof net 3 in the auxiliary mechanism is optimized. The original dustproof net may have used a common woven mesh structure, which is easily clogged by dust during long-term use, affecting the heat dissipation effect. Now, a dustproof net material with self-cleaning function, such as an electrostatic adsorption dustproof net, is used. This dustproof net can actively adsorb dust particles using the principle of electrostatics. When the dust accumulates to a certain extent, it can be automatically removed by a simple external electrostatic elimination operation, eliminating the need for frequent manual cleaning. At the same time, the dustproof net of this material has good ventilation, which can effectively improve the heat dissipation efficiency of the inverter body 1 while ensuring the dustproof effect. In addition, the electrostatic adsorption dustproof net is more durable and less prone to damage, extending the service life of the dustproof net and reducing equipment maintenance costs. In actual operation, even in harsh environments with a lot of dust, it can maintain good dustproof and heat dissipation performance, ensuring the stable operation of the inverter.

[0033] Example 2: The remaining improvements focus on the bevel gear transmission in the adjustment mechanism. In the original design, the first bevel gear 7 and the second bevel gear 9 might have used traditional metal materials, potentially generating significant noise and wear during transmission. In this example, the first bevel gear 7 and the second bevel gear 9 are manufactured using a novel ceramic material. Ceramic materials are characterized by high hardness and good wear resistance, significantly reducing wear between gears and extending service life. Simultaneously, the low coefficient of friction of ceramic materials makes the transmission process smoother and significantly reduces noise. Furthermore, ceramic materials have good thermal stability, maintaining good mechanical properties even under the high temperatures generated by the inverter, ensuring transmission accuracy. After the improvement, when adjusting the installation angle of the adapter plate 22, the transmission is smoother and quieter, and it can withstand higher workloads, enhancing the reliability and stability of the entire adjustment mechanism.

[0034] Working principle: When using this multi-motor dedicated drive control frequency converter with a self-cooling mechanism, when it is necessary to dissipate heat or protect the frequency converter body 1, first rotate the air guide frame 2. The rotation of the air guide frame 2 exposes the front of the frequency converter body 1. At the same time, the dustproof net 3 on its surface can prevent external dust from entering the outside of the frequency converter body 1. The user moves the shielding plate 4. The shielding plate 4 slides in the slide groove 20 through the slider 21 on one side. After the shielding plate 4 extends, it can play a pressure-resistant role on the top of the frequency converter body 1, while the exposed dustproof net 3 can dissipate heat. During the rotation of the air guide frame 2, it drives the second gear 19 connected to it to rotate. The second gear 19 meshes with the second rack 15, thereby driving the second rack 15 to move up and down. The second rack 15 drives the sliding bearing 17 to move up and down outside the limit shaft 18. The return spring 16 is sleeved on the limit shaft 18, which can help the sliding bearing 17 return to its initial position or reduce the pressure generated when it moves. The first rack 13 is connected to the sliding bearing 17 and will also move with it.

[0035] When the first rack 13 moves, it drives the first gear 12 that meshes with it to rotate. The first gear 12 drives the rotating shaft 10 to rotate. The second bevel gear 9 at one end of the rotating shaft 10 follows the rotating shaft 10 to rotate. The second bevel gear 9 meshes with the first bevel gear 7, driving the first bevel gear 7 to rotate on the front of the second connecting plate 6. When the first bevel gear 7 rotates, it drives the second connecting plate 6 to rotate. The second connecting plate 6 drives the additional mounting plate 8 at the bottom to rotate, so that the additional mounting plate 8 replaces the adapter plate 22 to perform its function and realizes the adjustment of the installation angle of the adapter plate 22.

[0036] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A multi-motor dedicated drive control frequency converter with a self-cooling mechanism, comprising: The inverter body (1), adapter plate (22), auxiliary mechanism and adjustment mechanism are characterized in that the back of the inverter body (1) is provided with an adapter plate (22), a connecting block (11) is provided on one side of the adapter plate (22), and a first connecting plate (5) is provided on one side of the connecting block (11). The auxiliary mechanism is used to guide the direction of external wind force; The adjustment mechanism is used to adjust the installation angle of the adapter plate (22).

2. The multi-motor dedicated drive control frequency converter with a self-cooling mechanism according to claim 1, characterized in that, The auxiliary mechanism includes an air guide frame (2), a dustproof net (3), a shielding plate (4), an external limiting frame (14), a first rack (13), a second rack (15), a return spring (16), a sliding bearing (17), a limiting shaft (18), a second gear (19), a slider (21), and a slide groove (20). Air guide frames (2) are provided on both sides of the outside of the inverter body (1). A slide groove (20) is provided on the inner side of the air guide frame (2) near the front of the inverter body (1). A slider (21) is provided on the inner side of the slide groove (20), and a shielding plate (4) is provided on one side of the slider (21). A dustproof net (3) is provided on the surface of the air guide frame (2). A second gear (19) is provided on both sides of the inverter body (1) near the air guide frame (2). A second rack (15) is provided on one side of the second gear (19). A sliding bearing (17) is provided on the outside of the second rack (15). A limit shaft (18) is vertically provided on the inside of the sliding bearing (17). A reset spring (16) is sleeved on the outside of the limit shaft (18) near the bottom of the sliding bearing (17). An external limit frame (14) is provided on the outside of the limit shaft (18). A first rack (13) is provided on the front of the sliding bearing (17).

3. A multi-motor dedicated drive control frequency converter with a self-cooling mechanism according to claim 2, characterized in that, The length of the first rack (13) is the same as the length of the second rack (15).

4. A multi-motor dedicated drive control frequency converter with a self-cooling mechanism according to claim 2, characterized in that, The sawtooth structure on the outside of the second gear (19) meshes with the sawtooth structure of the second rack (15), and the slider (21) on one side of the shielding plate (4) and the slide groove (20) form a sliding connection.

5. A multi-motor dedicated drive control frequency converter with a self-cooling mechanism according to claim 2, characterized in that, The adjustment mechanism includes a first gear (12), a rotating shaft (10), a connecting block (11), a second bevel gear (9), an additional mounting plate (8), a first bevel gear (7), and a second connecting plate (6). The first gear (12) is provided on one side of the first rack (13), the rotating shaft (10) is provided on the back of the first gear (12), the second bevel gear (9) is provided at one end of the rotating shaft (10), the connecting block (11) is provided at the middle of the outside of the rotating shaft (10), the connecting block (11) is fixedly connected to the adapter plate (22), the first connecting plate (5) is provided on the back of the connecting block (11), the second connecting plate (6) is provided on the side of the front of the first connecting plate (5) away from the inverter body (1), the first bevel gear (7) is provided on the upper end of the front of the second connecting plate (6) near the second bevel gear (9), and the additional mounting plate (8) is provided at the bottom of the second connecting plate (6).

6. A multi-motor dedicated drive control frequency converter with a self-cooling mechanism according to claim 5, characterized in that, When the first bevel gear (7) rotates, it can drive the second connecting plate (6) and the additional mounting plate (8) to rotate.

7. A multi-motor dedicated drive control frequency converter with a self-cooling mechanism according to claim 5, characterized in that, The second bevel gear (9) can rotate with the shaft (10).

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