CN220755345U

CN220755345U - Frequency converter ventilation device

Info

Publication number: CN220755345U
Application number: CN202322403266.8U
Authority: CN
Inventors: 王鑫; 竺时隽
Original assignee: Hangzhou Nuoyi Automation Technology Co ltd
Current assignee: Hangzhou Nuoyi Automation Technology Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-09
Anticipated expiration: 2033-09-05

Abstract

The utility model discloses a frequency converter ventilation device which comprises a mounting frame, wherein a frequency converter main body is fixedly connected inside the mounting frame, and first heat dissipation assemblies are fixed at the upper end and the lower end of the mounting frame. According to the utility model, the first screen plate, the second screen plate and the third screen plate are arranged to enable air to flow, so that heat of the frequency converter main body is conveniently dissipated, heat can be conducted through the arranged first radiating fins, the first radiating pipes, the second radiating fins and the second radiating pipes, air in the connecting box body can be pumped out through the arranged radiating fans, external air can be pumped in through the front ends of the first radiating pipes, air enters the connecting box body through the connecting pipes and the second radiating pipes and is discharged through the radiating fans, and the first radiating fins, the first radiating pipes, the second radiating fins and the second radiating pipes can be further dissipated, so that the frequency converter main body can be ventilated and dissipated, and dust can be reduced from entering the frequency converter main body.

Description

Frequency converter ventilation device

Technical Field

The utility model relates to the technical field of frequency converter ventilation devices, in particular to a frequency converter ventilation device.

Background

The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detecting unit micro-processing unit and the like. The frequency converter is used for adjusting the voltage and frequency of the output power supply by switching on and off the internal IGBT, and providing the required power supply voltage according to the actual requirement of the motor, so as to achieve the purposes of energy saving and speed regulation. Along with the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

Chinese patent with publication number CN211744335U discloses a ventilation and heat dissipation device for wind power frequency converter. The ventilation and heat dissipation device for the wind power frequency converter comprises a frequency converter cabinet body, a heat dissipation dust removal structure, an internal dust collection structure and a mounting structure, wherein the heat dissipation dust removal structure is connected to the side face of the frequency converter cabinet body and comprises a swinging rod, a sliding frame, a half-tooth gear, a rack, a cleaning deflector rod and a motor, rectangular sliding grooves are respectively formed in the central positions of the two side faces of the inner side of the frequency converter cabinet body, the sliding frame is connected to the internal sliding of the rectangular sliding grooves, and the motor is respectively mounted on the two side faces of the outer side face of the frequency converter cabinet body. The ventilation and heat dissipation device for the wind power frequency converter has the advantages that accumulated dust is enabled to shake and fall, the accumulated dust amount of the heat dissipation strip empty slots is reduced, the normal ventilation and heat dissipation process in the cabinet body of the frequency converter is guaranteed, the inner side walls of the heat dissipation strip empty slots are not required to be cleaned one by one in sequence by hands in the cleaning process, electric operation is achieved, and operation is simple and convenient.

The existing frequency converter is arranged in the cabinet body more and used for reducing the accumulation of external dust, a plurality of radiating ports are formed in the cabinet body, normal heat dissipation is completed by means of natural wind, and the frequency converter is internally provided with a plurality of radiating fans, so that the air flow in the frequency converter is improved, the heat dissipation efficiency is improved, but dust can enter the frequency converter to cause dust accumulation.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a ventilation device of a frequency converter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a converter ventilation unit, includes the installing frame, the inside fixedly connected with converter main part of installing frame, the upper and lower end of installing frame all is fixed with first radiating component, the rear end fixedly connected with second radiating component of installing frame, first radiating component includes the second otter board, the lower extreme fixedly connected with a plurality of first radiator fin of second otter board, a plurality of first radiator tubes of first radiator fin's inside fixedly connected with, second radiating component includes the third otter board, a plurality of second radiator fin of rear end fixedly connected with of third otter board, a plurality of second radiator tubes of inside fixedly connected with of second radiator fin, equal fixedly connected with connecting pipe between the rear end of first radiator tube and the upper and lower ends of corresponding second radiator tube.

Further, the four corners of the lower end of the installation frame are fixedly connected with supporting feet, and the front end of the installation frame is hinged with a connecting frame.

Further, the inside fixedly connected with first otter board of installing frame, the front end one side intermediate position fixedly connected with handle of connecting frame.

Further, the front ends of the plurality of first radiating pipes are fixedly connected with first filter screens.

Further, the rear side fixedly connected with of second otter board connects the box, the second cooling tube is all connected to the inside of connecting the box.

Further, the rear end fixedly connected with a plurality of radiator fans of connection box, radiator fan's air outlet all fixedly connected with second filter screen.

The utility model has the beneficial effects that:

when the frequency converter ventilation device is used, the first screen plate, the second screen plate and the third screen plate are arranged to enable air to flow, heat of the frequency converter main body is conveniently radiated, heat can be conducted through the first radiating fins, the first radiating pipes, the second radiating fins and the second radiating pipes, air in the connecting box body can be pumped out through the arranged radiating fans, therefore, external air can be pumped in through the front end of the first radiating pipes, air enters the connecting box body through the connecting pipes and the second radiating pipes, and then is discharged through the radiating fans, and then the first radiating fins, the first radiating pipes, the second radiating fins and the second radiating pipes can be radiated, ventilation and heat radiation can be conducted on the frequency converter main body, and dust can be reduced from entering the frequency converter main body.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the specific embodiments will be briefly described below, it being obvious that the drawings in the following description are only some examples of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1: a front view of the present utility model;

fig. 2: the frequency converter main body installation structure schematic diagram of the utility model;

fig. 3: the first heat dissipation component and the second heat dissipation component are installed in a schematic diagram;

fig. 4: the mounting frame structure of the utility model is schematically shown;

fig. 5: the first heat dissipation component and the second heat dissipation component are structurally schematic;

fig. 6: the second heat dissipation assembly of the present utility model is a schematic structure.

The reference numerals are as follows:

1. a mounting frame; 2. supporting the ground feet; 3. a connection frame; 4. a first screen; 5. a handle; 6. a first heat dissipation assembly; 7. a first filter screen; 8. a frequency converter main body; 9. a second heat dissipation assembly; 10. a second screen; 11. a first heat sink fin; 12. a first radiating pipe; 13. a connecting pipe; 14. a third screen; 15. a second heat sink fin; 16. the box body is connected; 17. a second radiating pipe; 18. a heat radiation fan; 19. and a second filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, the ventilation device for the frequency converter includes a mounting frame 1, the frequency converter main body 8 is fixedly connected to the inside of the mounting frame 1, the first radiating components 6 are fixedly connected to the upper end and the lower end of the mounting frame 1, the second radiating components 9 are fixedly connected to the rear end of the mounting frame 1, the first radiating components 6 include a second mesh plate 10, the lower end of the second mesh plate 10 is fixedly connected with a plurality of first radiating fins 11, the first radiating fins 11 are fixedly connected to the inside of the first radiating fins 12, the second radiating components 9 include a third mesh plate 14, the rear end of the third mesh plate 14 is fixedly connected with a plurality of second radiating fins 15, the second radiating fins 15 are fixedly connected to a plurality of second radiating pipes 17, and connecting pipes 13 are fixedly connected between the rear ends of the first radiating pipes 12 and the upper ends and the lower ends of the corresponding second radiating pipes 17.

As shown in fig. 1-6, the four corners of the lower end of the installation frame 1 are fixedly connected with supporting feet 2, the front end of the installation frame 1 is hinged with a connecting frame 3, the inside of the installation frame 1 is fixedly connected with a first screen plate 4, the middle position of one side of the front end of the connecting frame 3 is fixedly connected with a handle 5, and the supporting feet 2 play a role in supporting and lifting the installation frame 1.

As shown in fig. 1 to 6, the front ends of the plurality of first radiating pipes 12 are fixedly connected with a first filter screen 7, and the first filter screen 7 can filter dust in air.

As shown in fig. 1-6, the rear side of the second screen plate 10 is fixedly connected with a connection box 16, the second radiating pipes 17 are all connected to the inside of the connection box 16, the rear end of the connection box 16 is fixedly connected with a plurality of radiating fans 18, the air outlets of the radiating fans 18 are all fixedly connected with a second filter screen 19, and the second filter screen 19 can filter dust in the air.

Working principle: when the frequency converter is used, the first screen plate 4, the second screen plate 10 and the third screen plate 14 are arranged to enable air to flow, heat dissipation of the frequency converter main body 8 is facilitated, heat can be conducted through the first radiating fins 11, the first radiating pipes 12, the second radiating fins 15 and the second radiating pipes 17, air in the connecting box 16 can be pumped out through the radiating fans 18, so that external air can be pumped in through the front ends of the first radiating pipes 12, the air enters the connecting box 16 through the connecting pipes 13 and the second radiating pipes 17, and is discharged through the radiating fans 18, heat dissipation can be conducted on the first radiating fins 11, the first radiating pipes 12, the second radiating fins 15 and the second radiating pipes 17, ventilation and heat dissipation can be conducted on the frequency converter main body 8, and dust can be reduced to enter the inside of the frequency converter main body 8.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A ventilation device for a frequency converter, comprising a mounting frame (1), characterized in that: the novel heat exchanger comprises a mounting frame (1), wherein a frequency converter main body (8) is fixedly connected to the inside of the mounting frame (1), a first heat radiating component (6) is fixedly connected to the upper end and the lower end of the mounting frame (1), a second heat radiating component (9) is fixedly connected to the rear end of the mounting frame (1), the first heat radiating component (6) comprises a second screen plate (10), a plurality of first heat radiating fins (11) are fixedly connected to the lower end of the second screen plate (10), a plurality of first heat radiating pipes (12) are fixedly connected to the inside of the first heat radiating fins (11), the second heat radiating component (9) comprises a third screen plate (14), a plurality of second heat radiating fins (15) are fixedly connected to the rear end of the third screen plate (14), a plurality of second heat radiating pipes (17) are fixedly connected to the inside of the second heat radiating fins (15), and connecting pipes (13) are fixedly connected between the rear ends of the first heat radiating pipes (12) and the upper ends and the lower ends of the corresponding second heat radiating pipes (17).

2. A transducer ventilation arrangement according to claim 1, characterized in that: the four corners of the lower end of the installation frame (1) are fixedly connected with supporting feet (2), and the front end of the installation frame (1) is hinged with a connecting frame (3).

3. A transducer ventilation arrangement according to claim 2, characterized in that: the inside fixedly connected with first otter board (4) of installing frame (1), the front end one side intermediate position fixedly connected with handle (5) of connecting frame (3).

4. A transducer ventilation arrangement according to claim 1, characterized in that: the front ends of the first radiating pipes (12) are fixedly connected with first filter screens (7).

5. A transducer ventilation arrangement according to claim 1, characterized in that: the rear side of second otter board (10) fixedly connected with connection box (16), second cooling tube (17) all are connected to the inside of connection box (16).

6. A transducer ventilation arrangement according to claim 5, wherein: the rear end of the connecting box body (16) is fixedly connected with a plurality of cooling fans (18), and air outlets of the cooling fans (18) are fixedly connected with a second filter screen (19).