Reinforced frequency converter

Abstract

The utility model belongs to the technical field of frequency converters, and particularly relates to a reinforced frequency converter which comprises a frequency converter body and an anti-falling assembly installed outside the frequency converter body, the anti-falling assembly comprises a protective shell, the protective shell comprises an inner shell layer and an outer shell layer, and reinforcing ribs are fixedly arranged between the inner shell layer and the outer shell layer. Buffering pins are fixedly connected to the inner walls of the two sides of the inner shell layer, the other ends of the buffering pins are fixedly connected to the outer wall of the frequency converter body, sliding rods are fixedly connected to the positions, close to the upper position and the lower position, of the inner walls of the two sides of the inner shell layer, and sliding blocks and springs movably sleeve the outer walls of the two ends of the sliding rods. Under the action of the buffer pin, the sliding rod, the sliding block, the connecting plate, the pressing plate and the spring structure, the frequency converter body can be buffered and protected, and meanwhile the strength of the protective shell is improved in cooperation with the reinforcing rib structure.

Description

Technical Field

[0001] This utility model belongs to the field of frequency converter technology, specifically a ruggedized frequency converter. Background Technology

[0002] A frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control an AC motor by changing the frequency of the motor's operating power supply.

[0003] A search revealed that patent CN221929604U discloses a frequency converter, including a frequency converter box. The frequency converter box includes a cover, a middle cover assembly, and a bottom shell connected in sequence. A control board assembly is installed in the cavity between the cover and the middle cover assembly. This patent enhances the heat dissipation effect by adding a heat sink and a cooling fan to the frequency converter, thus avoiding damage to internal parts caused by prolonged high temperatures caused by long-term operation.

[0004] However, the aforementioned frequency converters have a simple assembly structure and lack drop resistance. When the frequency converter is dropped, it is easy to damage the internal components. Summary of the Invention

[0005] The purpose of this invention is to provide a ruggedized frequency converter that can provide buffer protection for the frequency converter body, while the reinforcing rib structure improves the strength of the protective shell.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A ruggedized frequency converter is provided, comprising a frequency converter body and an anti-drop component installed outside the frequency converter body. The anti-drop component includes a protective shell, which comprises an inner shell layer and an outer shell layer. A reinforcing rib is fixedly provided between the inner shell layer and the outer shell layer. Buffer pins are fixedly connected to the inner walls on both sides of the inner shell layer, and the other end of each buffer pin is fixedly connected to the outer wall of the frequency converter body. Slide rods are fixedly connected to the inner walls on both sides of the inner shell layer near the top and bottom positions. A slider and a spring are movably sleeved on the outer walls of both ends of the slide rod. The two ends of the spring are fixedly connected to the slider and the inner wall of the inner shell layer, respectively. A connecting plate is rotatably connected to the outer wall of the slider, and a pressure plate is rotatably connected to the other end of the connecting plate. The frequency converter body is disposed between the upper and lower pressure plates. A heat dissipation component is fixedly provided at the rear end of the protective shell.

[0007] Optionally, a cover plate is rotatably connected to the front end of the protective shell, and the cover plate is provided with a viewing window and a heat dissipation window near the upper and lower positions, respectively.

[0008] Optionally, the number of buffer pins is multiple, and the multiple buffer pins are evenly distributed between the inverter body and the inner shell.

[0009] Optionally, the heat dissipation assembly includes a mounting housing and a cooling fan rotatably connected to the mounting housing, wherein a filter screen is fixedly disposed on the inner wall of the air inlet of the cooling fan.

[0010] Optionally, a limiting rod is fixedly connected to the mounting housing, a limiting block is fixedly connected to the outer wall of the limiting rod, and a cleaning brush is fixedly connected to the outer wall of the limiting block. The cleaning brush is slidably attached to the outer wall of the filter screen.

[0011] Optionally, the mounting housing has sliding grooves on both sides, the limiting rod is fixedly connected to the upper and lower inner walls of the sliding grooves, and one end of the limiting block is fixedly connected to a lever.

[0012] Compared with the prior art, this utility model has the following beneficial effects:

[0013] 1. This utility model is equipped with a buffer pin, slide bar, slider, connecting plate, pressure plate and spring structure, which can buffer and protect the inverter body. When this utility model is accidentally dropped, the impact force is absorbed by the deformation of the buffer pin and spring, reducing the damage to the internal components. In addition, the inner shell layer, outer shell layer and reinforcing rib structure improve the strength of the protective shell and prevent damage.

[0014] 2. This utility model is equipped with a limit rod, a limit block, a cleaning brush and a lever structure. The lever drives the limit block to slide back and forth under the guidance of the limit rod, which drives the cleaning brush to clean the outer surface of the filter screen, avoiding the clogging of the filter screen mesh and making cleaning convenient. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a first-view perspective three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the disassembled three-dimensional structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the composition of the protective shell of this utility model;

[0019] Figure 4 This is a second-view three-dimensional structural diagram of the present invention.

[0020] In the diagram: 1. Inverter body; 2. Anti-drop components; 201. Cover plate; 202. Viewing window; 203. Heat dissipation window; 204. Buffer pin; 205. Slide rod; 206. Slider; 207. Connecting plate; 208. Pressure plate; 209. Spring; 210. Protective shell; 2101. Inner shell layer; 2102. Outer shell layer; 2103. Reinforcing rib; 3. Heat dissipation components; 301. Mounting shell; 302. Cooling fan; 303. Filter screen; 304. Limiting rod; 305. Limiting block; 306. Cleaning brush; 307. Toggle lever. Detailed Implementation

[0021] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0023] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] Reference Figure 1-4The present invention provides a ruggedized frequency converter according to an embodiment of the present invention. A ruggedized frequency converter includes a frequency converter body 1 and an anti-drop component 2 installed outside the frequency converter body 1. The anti-drop component 2 includes a protective shell 210, which includes an inner shell layer 2101 and an outer shell layer 2102. A reinforcing rib 2103 is fixedly disposed between the inner shell layer 2101 and the outer shell layer 2102. Buffer pins 204 are fixedly connected to the inner walls on both sides of the inner shell layer 2101. The other end of the buffer pin 204 is fixedly connected to the outer wall of the frequency converter body 1. A slide rod 205 is fixedly connected to the inner wall near the top and bottom. A slider 206 and a spring 209 are movably sleeved on the outer wall of both ends of the slide rod 205. The two ends of the spring 209 are fixedly connected to the slider 206 and the inner wall of the inner shell layer 2101, respectively. A connecting plate 207 is rotatably connected to the outer wall of the slider 206. A pressure plate 208 is rotatably connected to the other end of the connecting plate 207. The inverter body 1 is set between the upper and lower pressure plates 208. A heat dissipation component 3 is fixedly installed at the rear end of the protective shell 210.

[0026] The present invention provides a ruggedized frequency converter, which, compared with the prior art, provides buffer protection for the frequency converter body 1 by setting a structure of buffer pin 204, slide bar 205, slider 206, connecting plate 207, pressure plate 208 and spring 209. In addition, the structure of inner shell layer 2101, outer shell layer 2102 and reinforcing rib 2103 improves the strength of the protective shell 210 and avoids damage.

[0027] In another embodiment of this utility model, please refer to Figure 2 and Figure 3 The protective housing 210 is rotatably connected to a cover plate 201. The cover plate 201 is provided with a viewing window 202 and a heat dissipation window 203 near the upper and lower positions, respectively. The viewing window 202 facilitates observation of the internal condition of the protective housing 210, and the heat dissipation window 203 is used to exhaust the high-temperature gas inside the protective housing 210. There are multiple buffer pins 204, and the multiple buffer pins 204 are evenly distributed between the inverter body 1 and the inner shell layer 2101, which improves the uniformity of force on the inverter body 1.

[0028] In another embodiment of this utility model, please refer to Figure 1 and Figure 2The heat dissipation assembly 3 includes a mounting shell 301 and a cooling fan 302 rotatably connected to the mounting shell 301. A filter screen 303 is fixedly installed on the inner wall of the air inlet of the cooling fan 302. A limiting rod 304 is fixedly connected to the mounting shell 301. A limiting block 305 is fixedly connected to the outer wall of the limiting rod 304. A cleaning brush 306 is fixedly connected to the outer wall of the limiting block 305. The cleaning brush 306 is slidably attached to the outer wall of the filter screen 303. Sliding grooves are provided on both sides of the mounting shell 301. The limiting rod 304 is fixedly connected to the upper and lower inner walls of the sliding grooves. A lever 307 is fixedly connected to one end of the limiting block 305. The lever 307 can drive the limiting block 305 to move up and down quickly, thereby driving the cleaning brush 306 to move up and down quickly to clean the outer surface of the filter screen 303.

[0029] Working principle: During use, the heat generated by the inverter body 1 is blown away by the cooling fan 302 and discharged through the heat dissipation window 203; when the filter screen 303 needs to be cleaned, the limit block 305 can be driven by the lever 307 to reciprocate under the guidance of the limit rod 304, thereby driving the cleaning brush 306 to reciprocate up and down to clean the outer surface of the filter screen 303.

[0030] When this utility model is accidentally dropped, the deformation of the buffer pin 204 can buffer the lateral impact force. In conjunction with the movement of the pressure plate 208, the movement of the connecting plate 207 is driven, thereby the sliding of the slider 206 on the slide rod 205 causes the spring 209 to deform and buffer the vertical impact force, thus protecting the inverter body 1. Furthermore, the double-layer structure of the inner shell layer 2101 and the outer shell layer 2102, as well as the reinforcing rib 2103 set between them, improves the strength of the protective shell 210 and prevents damage.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A ruggedized frequency converter, comprising a frequency converter body (1) and an anti-drop component (2) installed outside the frequency converter body (1), characterized in that: The anti-drop component (2) includes a protective shell (210), which includes an inner shell layer (2101) and an outer shell layer (2102). A reinforcing rib (2103) is fixedly provided between the inner shell layer (2101) and the outer shell layer (2102). Buffer pins (204) are fixedly connected to the inner walls on both sides of the inner shell layer (2101). The other end of the buffer pin (204) is fixedly connected to the outer wall of the inverter body (1). Slide rods (204) are fixedly connected to the inner walls on both sides of the inner shell layer (2101) near the top and bottom positions. 05), both ends of the slide rod (205) are movably sleeved with sliders (206) and springs (209). The two ends of the spring (209) are fixedly connected to the slider (206) and the inner wall of the inner shell layer (2101), respectively. A connecting plate (207) is rotatably connected to the outer wall of the slider (206). The other end of the connecting plate (207) is rotatably connected to a pressure plate (208). The inverter body (1) is set between the upper and lower pressure plates (208). A heat dissipation component (3) is fixedly set at the rear end of the protective shell (210).

2. The ruggedized frequency converter as described in claim 1, characterized in that: The front end of the protective shell (210) is rotatably connected to a cover plate (201), and the cover plate (201) is provided with a viewing window (202) and a heat dissipation window (203) near the upper and lower positions respectively.

3. A ruggedized frequency converter as described in claim 1, characterized in that: The number of buffer pins (204) is multiple, and the multiple buffer pins (204) are evenly distributed between the inverter body (1) and the inner shell layer (2101).

4. A ruggedized frequency converter as described in claim 1, characterized in that: The heat dissipation assembly (3) includes a mounting shell (301) and a cooling fan (302) rotatably connected to the mounting shell (301). A filter screen (303) is fixedly provided on the inner wall of the air inlet of the cooling fan (302).

5. A ruggedized frequency converter as described in claim 4, characterized in that: A limiting rod (304) is fixedly connected to the mounting housing (301), a limiting block (305) is fixedly connected to the outer wall of the limiting rod (304), and a cleaning brush (306) is fixedly connected to the outer wall of the limiting block (305). The cleaning brush (306) is slidably attached to the outer wall of the filter screen (303).

6. A ruggedized frequency converter as described in claim 5, characterized in that: The mounting housing (301) has sliding grooves on both sides of the mounting plate. The limiting rod (304) is fixedly connected to the upper and lower inner walls of the sliding groove, and one end of the limiting block (305) is fixedly connected to a lever (307).

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