Waterproof and dustproof outdoor frequency converter device

Abstract

The utility model discloses a waterproof and dustproof outdoor frequency converter device which comprises a machine body, the inner wall of the machine body is provided with a wiring hole, the inner wall of the wiring hole is fixedly provided with an air bag, the inner wall of the machine body is fixedly provided with an air pipe, and the inner wall of the front end of the air pipe is in threaded connection with a threaded rod. A bearing is fixedly installed at the tail end of the threaded rod, a piston is fixedly installed on the outer ring of the bearing, and heat dissipation windows are formed in the two sides of the machine body. According to the waterproof and dustproof outdoor frequency converter device, the air pipe, the threaded rod and the piston are arranged, the air bag can be inflated by rotating the threaded rod, so that the size of the air bag is gradually increased, an electric wire penetrating through the wiring hole is clamped, the air bag plays a blocking role, rainwater is prevented from flowing into a machine body along the electric wire, and the service life of the machine body is prolonged. By arranging the air outlet and the cavity, heat dissipation is achieved, and meanwhile rainwater can be prevented from flowing into the machine body, so that normal operation of elements in the machine body is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of frequency converter technology, and in particular to a waterproof and dustproof outdoor frequency converter device. Background Technology

[0002] A frequency converter is a power electronic device that controls the speed and torque of an AC motor by adjusting the output frequency of the power supply. Its core function is to convert AC power of a fixed frequency into AC power of a continuously adjustable frequency, thereby achieving precise control of the motor operation.

[0003] To facilitate heat dissipation, frequency converters are usually equipped with ventilation windows. However, when the frequency converter is installed outdoors and it rains, rainwater can easily seep into the frequency converter through the ventilation windows. Furthermore, during installation, the placement of the frequency converter is adjusted according to the installation site. When the frequency converter is in a horizontal position, rainwater can easily flow into the frequency converter along the power cord, causing the internal components to become damp and damaged, affecting the normal operation of the internal components. To address this, we propose a waterproof and dustproof outdoor frequency converter device. Utility Model Content

[0004] The main objective of this invention is to provide a waterproof and dustproof outdoor frequency converter device, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A waterproof and dustproof outdoor frequency converter device includes a body. A wiring hole is provided on the inner wall of the body. An air bladder is fixedly installed on the inner wall of the wiring hole. An air pipe is fixedly installed on the inner wall of the body. A threaded rod is threadedly connected to the inner wall of the front end of the air pipe. A bearing is fixedly installed at the tail end of the threaded rod. A piston is fixedly installed on the outer ring of the bearing. Heat dissipation windows are provided on both sides of the body. A rubber plug is movably connected to the inner wall of the body. Cavities and exhaust vents are symmetrically provided on the inner wall of the body.

[0007] Furthermore, the tail end of the trachea is fixedly connected to the inner wall of the air bladder, and the interior of the trachea is in communication with the interior of the air bladder, and the piston is slidably connected to the inner wall of the trachea.

[0008] Furthermore, a dustproof mesh is provided on the inner wall of the heat dissipation window, and the rubber plug is movably connected to the inner wall of the cavity.

[0009] Furthermore, the exhaust vent is connected to the heat dissipation window through a cavity.

[0010] Furthermore, a mounting cover is movably connected to the outer surface of the machine body, and bolts are symmetrically threaded onto the inner wall of the mounting cover, with the tail end of the bolts threaded onto the inner wall of the machine body.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0012] In this invention, by setting up an air pipe, a threaded rod, and a piston, rotating the threaded rod inflates the airbag, causing the airbag to gradually increase in volume, thereby clamping the wire passing through the wiring hole. The airbag acts as a barrier, preventing rainwater from flowing into the machine body along the wire. By setting up an exhaust vent and a cavity, heat dissipation is achieved while preventing rainwater from flowing into the machine body, thus ensuring the normal operation of the components inside the machine. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of a waterproof and dustproof outdoor frequency converter device according to the present invention;

[0014] Figure 2 This is an exploded view of the mounting cover of a waterproof and dustproof outdoor frequency converter device according to this utility model;

[0015] Figure 3 This is an internal sectional view of the waterproof and dustproof outdoor frequency converter device of this utility model;

[0016] Figure 4 This is a right-side view of the body of a waterproof and dustproof outdoor frequency converter device according to this utility model;

[0017] Figure 5 This is a top view of the body of a waterproof and dustproof outdoor frequency converter device according to this utility model;

[0018] Figure 6 This utility model relates to a waterproof and dustproof outdoor frequency converter device. Figure 5 Enlarged detail of point A in the middle.

[0019] In the diagram: 1. Body; 101. Wiring hole; 102. Airbag; 103. Air pipe; 104. Threaded rod; 105. Bearing; 106. Piston; 107. Heat dissipation window; 108. Rubber plug; 109. Cavity; 110. Exhaust vent; 2. Mounting cover; 201. Bolt. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] Reference Figure 1-6A waterproof and dustproof outdoor frequency converter device includes a body 1. A wiring hole 101 is provided on the inner wall of the body 1. An air bladder 102 is fixedly installed on the inner wall of the wiring hole 101. The outer ring of the air bladder 102 is fixed to the inner wall of the wiring hole 101. When the air bladder 102 is not inflated, the wire can pass smoothly through the inner ring of the air bladder 102. An air pipe 103 is fixedly installed on the inner wall of the body 1. The air pipe 103 is filled with a certain amount of gas. A threaded rod 104 is threadedly connected to the inner wall of the front end of the air pipe 103. A bearing 105 is fixedly installed at the tail end of the threaded rod 104. A piston 106 is fixedly installed on the outer ring of the bearing 105. The piston 106 is connected to the threaded rod 104 through the bearing 105. When the threaded rod 104 is rotated, the thread engagement... The threaded rod 104 will rotate and move into the air pipe 103, thereby pushing the piston 106 to slide along the inner wall of the air pipe 103. When the threaded rod 104 is turned in the opposite direction, the threaded rod 104 can drive the piston 106 to slide in the opposite direction. Heat dissipation windows 107 are provided on both sides of the body 1. A rubber plug 108 is movably connected to the inner wall of the body 1. A cavity 109 is symmetrically provided on the inner wall of the body 1. Drainage outlets are provided on the top and front of the body 1, and the drainage outlets are connected to the interior of the cavity 109. The rubber plug 108 can be sealed by inserting it into the drainage outlet. An exhaust port 110 is symmetrically provided on the inner wall of the body 1. The exhaust port 110 is offset from the heat dissipation window 107 to prevent rainwater from directly entering the exhaust port 110 from the heat dissipation window 107.

[0022] In a preferred embodiment, the tail end of the trachea 103 is fixedly connected to the inner wall of the airbag 102, and the interior of the trachea 103 is in communication with the interior of the airbag 102. The piston 106 is slidably connected to the inner wall of the trachea 103. When the threaded rod 104 pushes the piston 106 to slide, it will compress the gas in the trachea 103, causing the gas to converge into the airbag 102, thereby achieving the purpose of inflating the airbag 102. When the threaded rod 104 pulls the piston 106 to slide in the opposite direction, the gas in the airbag 102 will be drawn into the trachea 103.

[0023] In a preferred embodiment, a dustproof mesh is provided on the inner wall of the heat dissipation window 107. By providing the dustproof mesh, dust can be prevented from entering the body 1 from the heat dissipation window 107, thereby achieving the dustproof effect. The rubber plug 108 is movably connected to the inner wall of the cavity 109.

[0024] In a preferred embodiment, the exhaust vent 110 is connected to the heat dissipation window 107 through the cavity 109 and is connected to the interior of the body 1. The hot air inside can be exhausted from the exhaust vent 110 into the cavity 109 and then discharged to the outside of the body 1 through the heat dissipation window 107, thereby achieving the function of heat dissipation.

[0025] Pass the front end of the wire through the center of the wiring hole 101. After wiring, rotate the threaded rod 104, causing it to push the piston 106 to slide, thereby inflating the airbag 102. The airbag 102 gradually increases in volume, tightly clamping the wire. When rainwater flows along the wire, the airbag 102 acts as a barrier, preventing rainwater from flowing into the machine body 1, thus achieving waterproofing. When the inverter is installed vertically, insert the rubber plugs 108 into the two drain ports on the top of the inverter, and leave the other two drain ports open. During rainy weather, rainwater enters the cavity 109 through the heat dissipation window 107. Since the two sets of open drain outlets are located at the lowest point of the cavity 109, the rainwater entering the cavity 109 can flow out from the drain outlets, preventing rainwater from accumulating inside the cavity 109. This prevents rainwater from accumulating and seeping into the body 1 through the exhaust vent 110, thus achieving the purpose of waterproofing. When the body 1 is installed horizontally, the rubber plug 108 is inserted into the other two sets of drain outlets, and the rainwater can be discharged using the above principle. This achieves ventilation and heat dissipation while preventing rainwater from entering the body 1, ensuring the normal operation of the internal components.

[0026] In a preferred embodiment, a mounting cover 2 is movably connected to the outer surface of the body 1, and bolts 201 are symmetrically threaded to the inner wall of the mounting cover 2, with the tail end of the bolts 201 threaded to the inner wall of the body 1.

[0027] Unscrew bolt 201 to remove mounting cover 2 from body 1 for wiring. After wiring, put mounting cover 2 on body 1, aligning the holes on mounting cover 2 with the holes on body 1. Then screw on bolt 201 to re-fix body 1 and mounting cover 2 together, preventing dust and rainwater from entering body 1.

[0028] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A waterproof and dustproof outdoor frequency converter device, characterized in that: The device includes a body (1), with a wiring hole (101) on the inner wall of the body (1), an airbag (102) fixedly installed on the inner wall of the wiring hole (101), an air pipe (103) fixedly installed on the inner wall of the body (1), a threaded rod (104) threadedly connected to the inner wall of the front end of the air pipe (103), a bearing (105) fixedly installed at the tail end of the threaded rod (104), a piston (106) fixedly installed on the outer ring of the bearing (105), heat dissipation windows (107) on both sides of the body (1), a rubber plug (108) movably connected to the inner wall of the body (1), cavities (109) symmetrically opened on the inner wall of the body (1), and exhaust vents (110) symmetrically opened on the inner wall of the body (1).

2. The waterproof and dustproof outdoor frequency converter device according to claim 1, characterized in that: The tail end of the trachea (103) is fixedly connected to the inner wall of the airbag (102), and the interior of the trachea (103) is connected to the interior of the airbag (102). The piston (106) is slidably connected to the inner wall of the trachea (103).

3. The waterproof and dustproof outdoor frequency converter device according to claim 2, characterized in that: The inner wall of the heat dissipation window (107) is provided with a dustproof net, and the rubber plug (108) is movably connected to the inner wall of the cavity (109).

4. The waterproof and dustproof outdoor frequency converter device according to claim 3, characterized in that: The exhaust vent (110) is connected to the heat dissipation window (107) through the cavity (109).

5. The waterproof and dustproof outdoor frequency converter device according to claim 1, characterized in that: The outer surface of the body (1) is movably connected to a mounting cover (2), and the inner wall of the mounting cover (2) is symmetrically threaded with bolts (201), and the tail end of the bolts (201) is threaded to the inner wall of the body (1).

Images