Frequency converter with anti-falling function

Abstract

The utility model relates to the technical field of frequency converters, and discloses a frequency converter with an anti-drop function. The anti-falling device comprises the fixing assembly, the driving assembly is movably connected to the upper portion of the fixing assembly, the driven assembly is fixedly connected to the outer surface of the driving assembly, and the protection assembly is arranged in the fixing assembly. The sensor sends a signal to the driving assembly, the driving assembly drives the driven assembly to rotate, the protection assembly is triggered to pop out, the frequency converter body is protected, and the problems that due to accidental collision or improper operation of personnel, the frequency converter falls to the ground and is damaged, and heavy economic losses are caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to a frequency converter with a fall prevention function. Background Art

[0002] A frequency converter is a power control device that applies frequency conversion technology and microelectronics technology to control an AC motor by changing the working power frequency of the motor. It can provide the required power voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. In addition, the frequency converter also has many protection functions, such as overcurrent, overvoltage, overload protection, etc. With the continuous improvement of industrial automation, the frequency converter has been widely used.

[0003] However, during the use of the existing frequency converter, if it is accidentally collided or the operator operates improperly, causing the frequency converter to fall to the ground and be damaged, it will cause significant economic losses.

[0004] Therefore, to solve such problems, we propose a frequency converter with a fall prevention function. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a frequency converter with a fall prevention function, aiming to solve the problem in the above background art that due to accidental collision or improper operation of personnel, the frequency converter falls to the ground and is damaged, resulting in significant economic losses.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: A frequency converter with a fall prevention function includes a frequency converter main body. A sensor is installed on the side of the frequency converter main body, and a fall prevention device is fixedly connected above the frequency converter main body. The fall prevention device includes a fixing component. A driving component is movably connected above the fixing component. A driven component is fixedly connected to the outer surface of the driving component. A protection component is arranged inside the fixing component.

[0007] Preferably, the fixing component includes a backing plate. A first protection pad cabinet is fixedly connected above one end of the backing plate. A second protection pad cabinet is fixedly connected above the end of the backing plate far from the first protection pad cabinet. Both the first protection pad cabinet and the second protection pad cabinet are connected to the backing plate by screws.

[0008] Preferably, the driving component includes a motor. The motor is installed on the side of the first protection pad cabinet close to the second protection pad cabinet. One end of the motor is movably connected with a rotating shaft, and the rotating shaft penetrates through the second protection pad cabinet.

[0009] Preferably, the driven component includes a first stopper. The first stopper is fixedly connected to the end of the rotating shaft far from the motor. A first driven rod is welded to the outer surface of the rotating shaft close to the motor. A second driven rod is welded to the end of the first driven rod far from the rotating shaft. A second stopper is fixedly connected to the end of the second driven rod far from the first driven rod.

[0010] Preferably, protection components are arranged inside both the first protection pad cabinet and the second protection pad cabinet. Each protection component includes a spring, and the other end of the spring is fixedly connected to a protection pad.

[0011] Preferably, an arc-shaped groove is formed in the first protection pad cabinet, and the second driven rod is matched with the arc-shaped groove.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, the anti-falling device includes a fixing component, a driving component is movably connected above the fixing component, a driven component is fixedly connected to the outer surface of the driving component, and a protection component is arranged inside the fixing component. By installing a sensor on the side of the main body of the frequency converter, when the frequency converter is in a tipping situation, it will be detected by the sensor. The sensor sends a signal to the driving component, and the driving component drives the driven component to rotate, triggering the ejection of the protection component to protect the main body of the frequency converter, solving the problem that due to accidental collision or improper operation of personnel, the frequency converter falls to the ground and is damaged, resulting in significant economic losses. Description of the Drawings

[0014] Figure 1 A three-dimensional schematic diagram of a frequency converter with an anti-falling function proposed by the utility model;

[0015] Figure 2 A three-dimensional schematic diagram of the anti-falling device in a frequency converter with an anti-falling function proposed by the utility model;

[0016] Figure 3 A three-dimensional schematic diagram of the fixing component and the driving component in a frequency converter with an anti-falling function proposed by the utility model;

[0017] Figure 4 An enlarged schematic diagram of the connection between the driven component and the driving component in a frequency converter with an anti-falling function proposed by the utility model;

[0018] Figure 5 A three-dimensional schematic diagram of the protection component in a frequency converter with an anti-falling function proposed by the utility model;

[0019] Legend Explanation:

[0020] 1. Main body of the frequency converter; 2. Sensor; 3. Anti-falling device; 31. Fixing component; 311. Base plate; 312. First protection pad cabinet; 3121. Arc-shaped groove; 313. Second protection pad cabinet; 314. Screw; 32. Driving component; 321. Motor; 322. Rotating shaft; 33. Driven component; 331. First stop block; 332. First driven rod; 333. Second driven rod; 334. Second stop block; 34. Protection component; 341. Spring; 342. Protection pad. Detailed implementation manners

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. The terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] Please refer to Figure 1-2 As shown in the figure, an embodiment provided by the present utility model: an inverter with a fall prevention function, including an inverter main body 1, a sensor 2 is installed on the side surface of the inverter main body 1, and a fall prevention device 3 is fixedly connected above the inverter main body 1. The fall prevention device 3 includes a fixing component 31, a driving component 32 is movably connected above the fixing component 31, a driven component 33 is fixedly connected to the outer surface of the driving component 32, and a protection component 34 is arranged inside the fixing component 31. By installing the sensor 2 on the side surface of the inverter 1 main body, when the inverter is in a tipping situation, it will be detected by the sensor 2. The sensor 2 sends a signal to the driving component 32, and the driving component 32 drives the driven component 33 to rotate, triggering the ejection of the protection component 34 to protect the inverter main body 1.

[0024] Please refer to Figure 3, the fixing component 31 includes a backing plate 311. Above one end of the backing plate 311, a first protective pad cabinet 312 is fixedly connected. Above the end of the backing plate 311 far from the first protective pad cabinet 312, a second protective pad cabinet 313 is fixedly connected. Both the first protective pad cabinet 312 and the second protective pad cabinet 313 are connected to the backing plate 311 by screws 314. The installation and disassembly of the backing plate 311 are achieved by adjusting the screws 314, facilitating the adjustment of the position of the protection component 33 according to the size of inverters of different specifications.

[0025] Please refer to Figure 3-4 , the driving component 32 includes a motor 321. The motor 321 is installed on one side of the first protective pad cabinet 312 close to the second protective pad cabinet 313. One end of the motor 321 is movably connected to a rotating shaft 322. The rotating shaft 322 penetrates through the second protective pad cabinet 313 and rotates by receiving the signal from the sensor 2 by the motor 321, causing the rotating shaft 322 to rotate.

[0026] Please refer to Figure 4 , the driven component 33 includes a first stop block 331. The first stop block 331 is fixedly connected to the end of the rotating shaft 322 far from the motor 321. A first driven rod 332 is welded to the outer surface of the rotating shaft 322 close to the motor 321. A second driven rod 333 is welded to the end of the first driven rod 332 far from the rotating shaft 322. A second stop block 334 is fixedly connected to the end of the second driven rod 333 far from the first driven rod 332. By the rotation of the rotating shaft 322, the first stop block 331 and the second stop block 334 rotate.

[0027] Please refer to Figure 4-5 , protective components 34 are provided inside both the first protective pad cabinet 312 and the second protective pad cabinet 313. The protective component 34 includes a spring 341. The other end of the spring 341 is fixedly connected to a protective pad 342. By the elongation of the spring 341, the protective pad 342 is ejected to support and protect the falling inverter main body 1.

[0028] Please refer to Figure 4 , an arc-shaped groove 3121 is formed on the first protective pad cabinet 312. The second driven rod 333 is matched with the arc-shaped groove 3121. By the movement of the second driven rod 333 in the arc-shaped groove 3121, the second stop block 334 can control the ejection and retraction of the protective pad 342.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A frequency converter with an anti-fall function, comprising a frequency converter body (1), a sensor (2) being mounted on the side of the frequency converter body (1), and an anti-fall device (3) being fixedly connected to the top of the frequency converter body (1), characterized in that: The anti-fall device (3) comprises a fixing assembly (31), a driving assembly (32) is movably connected to the upper portion of the fixing assembly (31), a driven assembly (33) is fixedly connected to the outer surface of the driving assembly (32), and a protection assembly (34) is arranged inside the fixing assembly (31).

2. The frequency converter with anti-fall function according to claim 1, characterized in that: The fixing assembly (31) comprises a pad (311), a protection pad cabinet 1 (312) being fixedly connected to the top of one end of the pad (311), a protection pad cabinet 2 (313) being fixedly connected to the top of the end of the pad (311) away from the protection pad cabinet 1 (312), and both the protection pad cabinet 1 (312) and the protection pad cabinet 2 (313) being connected to the pad (311) via screws (314).

3. The frequency converter with anti-fall function according to claim 1, characterized in that: The driving assembly (32) comprises a motor (321), which is mounted on a side of the first protection pad cabinet (312) close to the second protection pad cabinet (313), and one end of the motor (321) is movably connected to a rotating shaft (322), which passes through the second protection pad cabinet (313).

4. The frequency converter with anti-fall function according to claim 2, characterized in that: The driven assembly (33) comprises a stopper 1 (331), the stopper 1 (331) being fixedly connected to an end of the rotating shaft (322) away from the motor (321), a driven rod 1 (332) being welded to an outer surface of the rotating shaft (322) close to the motor (321), a driven rod 2 (333) being welded to an end of the driven rod 1 (332) away from the rotating shaft (322), and a stopper 2 (334) being fixedly connected to an end of the driven rod 2 (333) away from the driven rod 1 (332).

5. The frequency converter with anti-fall function according to claim 2, characterized in that: The first protection pad cabinet (312) and the second protection pad cabinet (313) are both provided with a protection component (34) inside. The protection component (34) comprises a spring (341), and the other end of the spring (341) is fixedly connected to a protection pad (342).

6. The frequency converter with anti-fall function according to claim 4, characterized in that: The first protection pad cabinet (312) is provided with an arc-shaped groove (3121), and the second driven rod (333) matches the arc-shaped groove (3121).

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