Outdoor frequency converter with waterproof structure

Abstract

The utility model discloses an outdoor frequency converter with a waterproof structure, which comprises a frequency converter, heat dissipation grooves are symmetrically arranged on two side walls of the frequency converter, the bottom wall of the frequency converter is placed on a lifting plate, the top wall of the lifting plate is fixedly connected with a waterproof cover, the waterproof cover is half surrounded on the outer wall of the frequency converter, and an electric push rod is started through a control key. An electric push rod pushes a supporting plate to one side of the frequency converter, the supporting plate pushes a sealing plate to move through a limiting rod till the sealing plate abuts against the side wall of the frequency converter, and by arranging a spring, the abutting sealing performance of the sealing plate is higher, the outer wall of the frequency converter is protected, the sealing plate is prevented from colliding with the outer wall of the frequency converter, and the service life of the frequency converter is prolonged. And a dehumidification box is arranged to absorb air humidity, and a rectangular groove is arranged to be matched with an anti-leakage net for use, so that when a sealing plate is attached to the outer wall of the frequency converter, water vapor is prevented from invading a heat dissipation groove, the dryness of the surrounding environment of the frequency converter is improved, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to an outdoor frequency converter with a waterproof structure. Background Art

[0002] The frequency converter is an electric 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, and microprocessor unit. The frequency converter adjusts the voltage and frequency of the output power supply by the internal IGBT's opening and closing, and provides the required power supply voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. In addition, the frequency converter has many protection functions, such as over-current, over-voltage, overload protection, etc. With the continuous improvement of the degree of industrial automation, frequency converters have also been widely used;

[0003] In this regard, a Chinese utility model patent with authorization announcement number CN210167957U discloses a conveniently detachable waterproof inverter, which includes an inverter case, an inverter is fixedly arranged on one side of the inverter case, a waterproof box is fixedly arranged on the other side of the inverter case, an opening is provided at the upper end of the waterproof box, a moisture absorption box is fixedly arranged inside the waterproof box, moisture absorption holes are provided at intervals on the moisture absorption box, and a desiccant is placed in the moisture absorption box; a partition is provided at the lower end of the inner side of the waterproof box, the partition divides the waterproof box into an installation cavity and a water storage cavity, a plurality of partition holes are provided on the partition, the moisture absorption box is fixedly arranged in the installation cavity, a drain pipe is provided on one side of the bottom of the water storage cavity, the drain pipe extends out of the inverter case, and a drain valve is provided at the end of the drain pipe. The utility model installs a waterproof box inside the inverter case, and installs a moisture absorption box inside the waterproof box, and cooperates with openings on the waterproof box, so that the moisture absorption box absorbs water vapor inside the inverter case through the opening, thereby improving the service life of the inverter;

[0004] Existing outdoor inverters are usually equipped with a protective shell for waterproofing. However, the inverter needs to dissipate heat when in use, and heat dissipation holes are often opened on the two side walls of the inverter. Rainwater can easily enter the heat dissipation holes in rainy and snowy weather, causing internal damage to the inverter and reducing its service life. For this reason, we propose an outdoor inverter with a waterproof structure to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide an outdoor frequency converter with a waterproof structure to solve the problems raised in the above background technology.

[0006] An outdoor frequency converter with a waterproof structure comprises a frequency converter, heat dissipation slots are symmetrically provided on both side walls of the frequency converter, the bottom wall of the frequency converter is placed on a raised plate, a waterproof cover is fixedly connected to the top wall of the raised plate, and the waterproof cover half surrounds the outer wall of the frequency converter;

[0007] The side walls of the waterproof cover are symmetrically fixedly connected to the support shell, an adjustment component is arranged in the waterproof cover, the adjustment component contains an electric push rod, the side walls of the electric push rod are fixedly installed on the inner wall of the support shell, the side output end of the electric push rod is fixedly connected to the support plate, the support plate has symmetrically arranged limit holes, the limit rods are movably inserted in the limit holes, the side ends of the limit rods are fixedly connected to the sealing plate, the side walls of the sealing plate are movably abutted against the inner wall of the waterproof cover, the side walls of the limit rods are fixedly connected to the limit plate, the side walls of the limit plate are movably abutted against the support plate, a spring is movably sleeved on the limit rod, one end of the spring is fixedly connected to the side wall of the support plate, and the other end of the spring is fixedly connected to the sealing plate.

[0008] Preferably, one side wall opposite to the supporting shell is provided with an opening structure, and the side wall of the supporting shell extends into the waterproof cover.

[0009] Preferably, the outer wall of the supporting shell is provided with a groove, and a plurality of groups of control keys are fixedly installed in the groove.

[0010] Preferably, a rectangular groove is opened on one side wall opposite to the sealing plate, and a plurality of groups of rectangular grooves are provided, and an anti-leakage net is fixedly connected to the inner wall of the rectangular groove.

[0011] Preferably, a movable door is installed on the outer wall of the sealing plate, and a handle is fixedly connected to the outer wall of the movable door.

[0012] Preferably, the interior of the sealing plate is provided with a cavity structure, and a plurality of sets of fixing plates are fixedly connected to the inner wall of the sealing plate, and a dehumidification box is placed on the fixing plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with a lifting plate to prevent the bottom of the inverter from being soaked in water and causing damage due to water accumulation on the ground, and is provided with a waterproof cover to waterproof the inverter as a whole, and is provided with an adjusting component to cooperate with the sealing plate to block the heat dissipation slot on the inverter, and the electric push rod is started by a control key, and the electric push rod pushes the supporting plate to one side of the inverter, and the supporting plate pushes the sealing plate to move through the limit rod until the sealing plate abuts against the side wall of the inverter, and is provided with a spring, not only the abutment and sealing of the sealing plate is made higher, but also the outer wall of the inverter is protected, and the sealing plate is prevented from causing collision with the outer wall of the inverter, affecting the subsequent use of the inverter, and the dehumidification box is provided to absorb air humidity, and the rectangular groove is provided to cooperate with the anti-leakage net, so that when the sealing plate is attached to the outer wall of the inverter, water vapor is prevented from invading the heat dissipation slot, thereby improving the dryness of the environment around the inverter, being more humane and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the front view structure inside the support shell of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of the sealing plate in the utility model;

[0018] Figure 4 It is a schematic diagram of the internal front view structure of the sealing plate in the utility model.

[0019] In the figure: 1. inverter; 101. heat sink; 2. lifting plate; 3. waterproof cover; 4. support shell; 401. groove; 402. control key; 5. adjustment component; 51. electric push rod; 52. support plate; 53. limit hole; 54. limit rod; 55. limit plate; 56. spring; 6. sealing plate; 601. rectangular groove; 602. anti-leakage net; 603. movable door; 604. handle; 7. fixed plate; 8. dehumidification box. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1:

[0022] See also Figure 1-2 The utility model provides a technical solution: an outdoor frequency converter with a waterproof structure, comprising a frequency converter 1, heat dissipation slots 101 are symmetrically provided on both side walls of the frequency converter 1, the bottom wall of the frequency converter 1 is placed on a raised plate 2, a waterproof cover 3 is fixedly connected to the top wall of the raised plate 2, and the waterproof cover 3 is half-surrounded on the outer wall of the frequency converter 1, and the raised plate 2 is provided to prevent the bottom of the frequency converter 1 from being soaked in water due to ground accumulation and causing damage, and the waterproof cover 3 is provided to waterproof the frequency converter 1 as a whole;

[0023] It should be noted that the side wall of the waterproof cover 3 is symmetrically fixedly connected to the support shell 4, an adjustment component 5 is arranged in the waterproof cover 3, and the adjustment component 5 contains an electric push rod 51, the side wall of the electric push rod 51 is fixedly installed on the inner wall of the support shell 4, and the side output end of the electric push rod 51 is fixedly connected to a support plate 52, and a limiting hole 53 is symmetrically provided on the support plate 52. A limiting rod 54 is movably inserted in the limiting hole 53, and the side end of the limiting rod 54 is fixedly connected to the sealing plate 6, and the side wall of the sealing plate 6 is movably abutted against the inner wall of the waterproof cover 3. On the upper part, the side wall of the limit rod 54 is fixedly connected to the limit plate 55, and the side wall of the limit plate 55 is movably abutted against the support plate 52. A spring 56 is movably sleeved on the limit rod 54, one end of the spring 56 is fixedly connected to the side wall of the support plate 52, and the other end of the spring 56 is fixedly connected to the sealing plate 6. By providing the spring 56, not only the abutment sealing of the sealing plate 6 is made higher, but also the outer wall of the inverter 1 is protected to prevent the sealing plate 6 from causing collision with the outer wall of the inverter 1 and affecting the subsequent use of the inverter 1.

[0024] Embodiment 2:

[0025] See also Figure 3 and Figure 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment;

[0026] Specifically, a rectangular groove 601 is opened on the side wall opposite to the sealing plate 6, and multiple groups of rectangular grooves 601 are arranged. The inner wall of the rectangular groove 601 is fixedly connected with an anti-leakage net 602. By providing the rectangular groove 601 and using the anti-leakage net 602, it is convenient to prevent water vapor from invading the heat dissipation groove 101 when the sealing plate 6 is attached to the outer wall of the inverter 1, thereby improving the dryness of the environment around the inverter 1 and being more humane.

[0027] A movable door 603 is installed on the outer wall of the sealing plate 6 , and a handle 604 is fixedly connected to the outer wall of the movable door 603 .

[0028] The interior of the sealing plate 6 is a cavity structure, and a plurality of sets of fixing plates 7 are fixedly connected to the inner wall of the sealing plate 6. A dehumidification box 8 is placed on the fixing plate 7, and the air humidity is absorbed by the dehumidification box 8.

[0029] One side wall of the supporting shell 4 is provided with an opening structure, and the side wall of the supporting shell 4 extends into the waterproof cover 3 .

[0030] The outer wall of the supporting shell 4 is provided with a groove 401 , and a plurality of control keys 402 are fixedly installed in the groove 401 .

[0031] Embodiment 3:

[0032] See also Figures 1 to 4 , which is the third embodiment of the utility model, and this embodiment is based on the above two embodiments;

[0033] When the utility model is in use, the lifting plate 2 is provided to prevent the bottom of the inverter 1 from being soaked in water due to water accumulation on the ground, thereby causing damage. The waterproof cover 3 is provided to waterproof the inverter 1 as a whole. The adjustment component 5 is provided to cooperate with the sealing plate 6 to block the heat dissipation slot 101 on the inverter 1. The electric push rod 51 is started by the control key 402, and the electric push rod 51 pushes the support plate 52 to one side of the inverter 1. The support plate 52 pushes the sealing plate 6 to move through the limit rod 54 until the sealing plate 6 abuts against the side wall of the inverter 1. By providing the spring 56, not only the sealing performance of the sealing plate 6 is improved, but also the outer wall of the inverter 1 is protected to prevent the sealing plate 6 from bumping against the outer wall of the inverter 1 and affecting the subsequent use of the inverter 1. The dehumidification box 8 is provided to absorb the air humidity. By providing the rectangular groove 601 and the anti-leakage net 602, when the sealing plate 6 is attached to the outer wall of the inverter 1, water vapor is prevented from intruding into the heat dissipation groove 101, thereby improving the dryness of the environment around the inverter 1, making it more humane and more practical.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An outdoor frequency converter with a waterproof structure, comprising a frequency converter (1), characterized in that: The inverter (1) has symmetrically disposed heat dissipation grooves (101) on both side walls, the bottom wall of the inverter (1) is placed on a raised plate (2), a waterproof cover (3) is fixedly connected to the top wall of the raised plate (2), and the waterproof cover (3) is semi-enclosed on the outer wall of the inverter (1); The side wall of the waterproof cover (3) is symmetrically fixedly connected to the support shell (4), the waterproof cover (3) is provided with an adjustment component (5), the adjustment component (5) contains an electric push rod (51), the side wall of the electric push rod (51) is fixedly mounted on the inner wall of the support shell (4), the side output end of the electric push rod (51) is fixedly connected to a support plate (52), the support plate (52) is symmetrically provided with a limit hole (53), the limit hole (53) is movably inserted into the limit rod (54), and the limit rod (54) is movably inserted into the limit hole (53). The side end of the limiting rod (54) is fixedly connected to the sealing plate (6), and the side wall of the sealing plate (6) is movably abutted against the inner wall of the waterproof cover (3). The side wall of the limiting rod (54) is fixedly connected to the limiting plate (55), and the side wall of the limiting plate (55) is movably abutted against the supporting plate (52). A spring (56) is movably sleeved on the limiting rod (54), and one end of the spring (56) is fixedly connected to the side wall of the supporting plate (52), and the other end of the spring (56) is fixedly connected to the sealing plate (6).

2. The outdoor inverter with a waterproof structure according to claim 1, characterized in that: A rectangular groove (601) is provided on one side wall opposite to the sealing plate (6), and a plurality of groups of rectangular grooves (601) are provided. An anti-leakage net (602) is fixedly connected to the inner wall of the rectangular groove (601).

3. The outdoor inverter with a waterproof structure according to claim 1, characterized in that: A movable door (603) is installed on the outer wall of the sealing plate (6), and a handle (604) is fixedly connected to the outer wall of the movable door (603).

4. The outdoor frequency converter with waterproof structure according to claim 3, characterized in that: The interior of the sealing plate (6) is provided with a cavity structure, and the inner wall of the sealing plate (6) is fixedly connected to a plurality of sets of fixing plates (7), and a dehumidification box (8) is placed on the fixing plates (7).

5. The outdoor inverter with a waterproof structure according to claim 1, characterized in that: The side wall opposite to the support shell (4) is arranged in an open structure, and the side wall of the support shell (4) extends into the waterproof cover (3).

6. The outdoor inverter with a waterproof structure according to claim 1, characterized in that: The outer wall of the support shell (4) is provided with a groove (401), and a plurality of groups of control keys (402) are fixedly installed in the groove (401).

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