Air duct device of frequency converter

Abstract

The utility model discloses an air duct device of a frequency converter, which belongs to the technical field of frequency converters, and comprises a fixed frame, one side of the fixed frame is fixedly connected with an air funnel, the other side of the air funnel is clamped with a telescopic pipe through a locking frame, one side of the fixed frame is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with the air funnel. And one side of the supporting plate is fixedly connected with a motor. The device has the beneficial effects that by arranging the locking frame and the telescopic pipe, the air duct can be conveniently installed according to the use requirements, the telescopic pipe and the ventilation barrel can be conveniently cleaned, by arranging the installation frame, the fixing frame can be conveniently installed and fixed, by arranging the heat insulation pad, heat insulation can be conveniently conducted during airflow discharging, and by arranging the motor, the rotating shaft and the fan blades, the heat insulation effect is good. According to the air exhaust device, auxiliary air exhaust can be conveniently carried out during use, exhausted air can be conveniently detected by arranging an air detector, and the air can be conveniently filtered and replaced by arranging a fixing frame, a filtering plate and fixing bolts.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, and more specifically, to an air duct device of a frequency converter. Background Art

[0002] The frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply. The frequency converter is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microprocessor unit, etc. The frequency converter needs to discharge airflow when in use, so an air duct device is required;

[0003] Although the existing air duct device solves the problem of use, there are still problems such as inconvenience in installation according to different use requirements and inability to filter the exhausted airflow. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an air duct device for a frequency converter, which has the characteristics of being more convenient to install according to different usage requirements and filtering the exhausted airflow.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides an air duct device of a frequency converter, comprising a fixed frame, one side of the fixed frame is fixedly connected to a ventilation tube, the other side of the ventilation tube is clamped with a telescopic tube through a locking frame, one side of the fixed frame is fixedly connected to a support plate, one side of the support plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to a plurality of fan blades, both sides of the inner wall of the fixed frame are fixedly connected to fixing frames, the two fixing frames are clamped with the same filter plate through fixing bolts, and one side of the filter plate is fixedly connected to a handle.

[0008] When using an air duct device of a frequency converter of the present technical solution, the motor, the rotating shaft and the fan blades facilitate auxiliary exhaust during use, and the fixing frame, the filter plate and the fixing bolts facilitate filtering and replacement of the gas.

[0009] Furthermore, the top and bottom of the fixing frame are fixedly connected to two mounting frames, and the inner walls of the ventilator and the telescopic tube are provided with heat insulation pads.

[0010] Furthermore, a gas detector is fixedly connected to one side of the support plate.

[0011] Furthermore, a connecting tube is fixedly connected to one side of the fixing frame.

[0012] Furthermore, a nameplate is fixedly connected to one side of the ventilator.

[0013] Furthermore, a mid-end processor is fixedly connected to one side of the fixing frame.

[0014] (3) Beneficial effects

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. By setting the locking frame and telescopic tube, it is convenient to install the air duct according to the use requirements, and it is convenient to clean the telescopic tube and the ventilator. By setting the mounting frame, it is convenient to install and fix the fixing frame. By setting the heat insulation pad, it is convenient to insulate when discharging the airflow. By setting the motor, shaft and fan blade, it is convenient to assist in exhaust during use. By setting the gas detector, it is convenient to detect the discharged gas. By setting the fixing frame, filter plate and fixing bolts, it is convenient to filter the gas and replace it;

[0017] 2. By setting a nameplate, it is convenient to mark the precautions when installing and using the air duct, and by setting a connecting tube, it is convenient to connect and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a three-dimensional cross-section of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the second three-dimensional cross section of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the utility model.

[0022] The symbols in the accompanying drawings are:

[0023] 1. Fixed frame; 2. Ventilation duct; 3. Locking frame; 4. Telescopic tube; 5. Mounting frame; 6. Insulation pad; 7. Support plate; 8. Motor; 9. Rotating shaft; 10. Fan blades; 11. Mid-end processor; 12. Gas detector; 13. Fixed frame; 14. Filter plate; 15. Fixing bolts; 16. Handle; 17. Connecting tube; 18. Nameplate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0025] Example:

[0026] The following is combined with Figure 1-3 The utility model is described in further detail.

[0027] See also Figure 1-3 The utility model provides a technical solution: an air duct device of a frequency converter, comprising a fixed frame 1, a ventilator 2 is fixedly connected to one side of the fixed frame 1, a telescopic tube 4 is clamped to the other side of the ventilator 2 through a locking frame 3, a support plate 7 is fixedly connected to one side of the fixed frame 1, a motor 8 is fixedly connected to one side of the support plate 7, a rotating shaft 9 is fixedly connected to the output end of the motor 8, a plurality of fan blades 10 are fixedly connected to the outer surface of the rotating shaft 9, and the motor 8, the rotating shaft 9 and the fan blades 10 are arranged, so that auxiliary exhaust is convenient when in use, fixed frames 13 are fixedly connected to the inner wall of the fixed frame 1 on both sides, the two fixed frames 13 are clamped to the same filter plate 14 through fixing bolts 15, and a handle 16 is fixedly connected to one side of the filter plate 14, and the fixed frame 13, the filter plate 14 and the fixing bolts 15 are arranged, so that the gas can be filtered and replaced conveniently.

[0028] Specifically, two mounting frames 5 are fixedly connected to the top and bottom of the fixing frame 1 , heat insulation pads 6 are provided on the inner walls of the ventilating tube 2 and the telescopic tube 4 , and a gas detector 12 is fixedly connected to one side of the supporting plate 7 .

[0029] By adopting the above technical solution, the mounting frame 5 makes it convenient to install and fix according to the use requirements, the thermal insulation pad 6 makes it convenient to insulate when discharging gas, and the gas detector 12 makes it convenient to detect the discharged gas.

[0030] Specifically, a connecting tube 17 is fixedly connected to one side of the fixed frame 1, a nameplate 18 is fixedly connected to one side of the ventilation tube 2, and a mid-end processor 11 is fixedly connected to one side of the fixed frame 1. The mid-end processor 11 is electrically connected to the motor 8 and the gas detector 12 through wires.

[0031] By adopting the above technical solution, the connection can be conveniently performed according to the needs through the connecting tube 17, and the use range can be marked through the nameplate 18 to remind the users.

[0032] The working principle of the utility model is as follows: when in use, the staff places the device at the position of use, installs and fixes it through the mounting frame 5, adjusts the direction and length of exhaust through the telescopic tube 4, and facilitates the disassembly and replacement of the telescopic tube 4 through the locking frame 3, filters the exhausted gas through the filter plate 14, supplies power through an external power supply, controls through the mid-end processor 11, controls the gas detector 12 to work, and detects the exhausted gas;

[0033] By controlling the motor 8 to work, the shaft 9 is driven to rotate, and the fan blades 10 are driven to rotate, and the auxiliary gas is discharged. Through the insulation pad 6, the heat insulation operation is performed when the gas is discharged. Through the nameplate 18, the precautions for the installation and use of the air duct are conveniently marked to remind the users.

[0034] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An air duct device for a frequency converter, comprising a fixing frame (1), characterized in that: A ventilation tube (2) is fixedly connected to one side of the fixed frame (1), and a telescopic tube (4) is clamped to the other side of the ventilation tube (2) via a locking frame (3). A support plate (7) is fixedly connected to one side of the fixed frame (1), and a motor (8) is fixedly connected to one side of the support plate (7). The output end of the motor (8) is fixedly connected to a rotating shaft (9), and a plurality of fan blades (10) are fixedly connected to the outer surface of the rotating shaft (9). Fixed frames (13) are fixedly connected to both sides of the inner wall of the fixed frame (1), and the two fixed frames (13) are clamped to the same filter plate (14) via fixing bolts (15), and a handle (16) is fixedly connected to one side of the filter plate (14).

2. The air duct device of a frequency converter according to claim 1, characterized in that: The top and bottom of the fixed frame (1) are fixedly connected to two mounting frames (5), and the inner walls of the ventilator (2) and the telescopic tube (4) are provided with heat insulation pads (6).

3. The air duct device of a frequency converter according to claim 1, characterized in that: A gas detector (12) is fixedly connected to one side of the support plate (7).

4. The air duct device of a frequency converter according to claim 1, characterized in that: A connecting tube (17) is fixedly connected to one side of the fixing frame (1).

5. The air duct device of a frequency converter according to claim 1, characterized in that: A nameplate (18) is fixedly connected to one side of the ventilation cylinder (2).

6. The air duct device of a frequency converter according to claim 1, characterized in that: A mid-end processor (11) is fixedly connected to one side of the fixing frame (1).

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