Protective cover with waterproof function

Abstract

The protection cover with the waterproof function comprises an installation plate and two clamping plates, an installation mechanism is arranged on the right side of the installation plate and located on the surfaces of the two clamping plates, and heat dissipation mechanisms are arranged on the surface of the installation mechanism in a front-back mirror image mode; the mounting mechanism comprises a protective cover arranged on the surfaces of the two clamping plates, four sliding plates are arranged on the inner side of the protective cover in a mirror image mode, and the surfaces of the four sliding plates are slidably connected with the inner sides of the clamping plates and the mounting plate. According to the protective cover with the waterproof function, the four sliding plates are aligned with the sliding grooves in the clamping plates, then the protective cover is pushed leftwards, after the protective cover is pushed to the bottom, the sliding plates are aligned with the through holes in the connecting plates, and then the limiting bolts are inserted into the sliding plates and the connecting plates, so that operation is simple and convenient; the protective cover can be conveniently and quickly mounted and dismounted, and the frequency converter body can be conveniently maintained and replaced.

Description

Technical Field

[0001] The utility model relates to the field of frequency converters, in particular to a protective cover with a waterproof function. 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. With the continuous improvement of industrial automation, frequency converters have also been widely used.

[0003] The inverter is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microprocessor unit, etc. The inverter adjusts the voltage and frequency of the output power supply by the internal IGBT switching, 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 inverter has many protection functions, such as over-current, over-voltage, overload protection, etc.

[0004] In the related art, when the inverter is in use, a protective cover is required to protect the inverter body. Application number: 202221997170.8, discloses an inverter protective cover. When the user finds that the inverter body is damaged through the transparent baffle, the bolt is first unscrewed to achieve the first protective cover can be detached. After the detachment is completed, the electric telescopic rod begins to retract, so that the clamping plate no longer clamps the inverter body. The user then manually pulls out the positioning pin and takes the inverter body out by hand, so that the user can easily repair or replace the inverter body. However, when the device repairs the inverter body, it is necessary to use tools to disassemble the bolts. It cannot be quickly disassembled manually during emergency repairs. It takes a lot of time to disassemble the connection through bolts. Especially when the bolts are rusted, it is necessary to spray rust remover and other operations before disassembly.

[0005] Therefore, it is necessary to provide a protective cover with waterproof function to solve the above technical problems. Utility Model Content

[0006] The utility model provides a protective cover with a waterproof function, which solves the problem in the related technology that the efficiency of the disassembly and installation process of some existing protective covers for frequency converters is low when in use.

[0007] In order to solve the above technical problems, the utility model provides a protective cover with waterproof function, comprising: a mounting plate and two cardboards, a mounting mechanism is arranged on the right side of the mounting plate and on the surfaces of the two cardboards, and a heat dissipation mechanism is arranged on the surface of the mounting mechanism in a front and rear mirror image;

[0008] The mounting mechanism comprises a protective cover arranged on the surfaces of two card plates, and four sliding plates are arranged on the inner side of the protective cover in a mirror image, and the surfaces of the four sliding plates are slidably connected with the inner sides of the card plates and the mounting plates, and the inner sides of the card plates and the mounting plates are provided with sliding grooves used in conjunction with the sliding plates;

[0009] The heat dissipation mechanism comprises two mounting frames which are arranged on the surface of the protective cover in a front and rear mirror-image manner, the inner sides of the two mounting frames are both provided with rain shields which can slide up and down, and the inner sides of the two mounting frames are both provided with card slots.

[0010] Preferably, four connecting plates are arranged on the left side of the mounting plate, and limiting bolts are arranged on the inner sides of the four connecting plates and the four sliding plates, and through holes for cooperating with the limiting bolts are opened on the inner sides of the four sliding plates and the connecting plates.

[0011] Preferably, a protrusion is provided on each of the two rain shields' separated sides, and two heat dissipation nets are provided on the inner side of the protective cover.

[0012] Preferably, three sleeves are vertically arranged at the bottom of the top clamping plate, the inner sides of the three sleeves are slidably connected with connecting columns, the bottoms of the three connecting columns are fixedly connected with pressure plates, and the surfaces of the three sleeves are sleeved with springs.

[0013] Preferably, a moisture-proof pad is arranged on the top of the bottom card plate, and the inverter body is arranged on the top of the moisture-proof pad.

[0014] Preferably, an observation plate is provided on the inner side of the right side of the protective cover, and a mounting groove is provided on the inner side of the mounting plate.

[0015] Compared with the related art, the protective cover with waterproof function provided by the utility model has the following beneficial effects:

[0016] The utility model provides a protective cover with a waterproof function. Four sliding plates are aligned with the sliding grooves on the card plate, and then the protective cover is pushed to the left. When the protective cover is pushed to the bottom, the through holes on the sliding plates and the connecting plates are aligned, and then the limit bolts are inserted into the sliding plates and the connecting plates. The operation is simple and convenient, and it is very convenient to quickly install and disassemble the protective cover, and it is convenient to repair and replace the inverter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of a protective cover with waterproof function provided by the utility model;

[0018] Figure 2 for Figure 1 A schematic structural diagram of a cross-sectional view of the protective cover shown;

[0019] Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of the protective cover shown;

[0020] Figure 4 for Figure 1 A schematic diagram of the three-dimensional structure of the mounting plate shown;

[0021] Figure 5 for Figure 1 A schematic diagram of the three-dimensional structure of the mounting frame shown.

[0022] Numbers in the figure: 1. Mounting plate; 2. Clamping plate; 3. Mounting mechanism; 31. Protective cover; 32. Sliding plate; 33. Slide groove; 34. Connecting plate; 35. Limit bolt; 36. Through hole; 4. Heat dissipation mechanism; 41. Mounting frame; 42. Rain shield; 43. Clamping groove; 44. Bump; 45. Heat dissipation net; 5. Sleeve; 6. Connecting column; 7. Pressure plate; 8. Spring; 9. Moisture-proof pad; 10. Inverter body; 11. Observation plate; 12. Mounting groove. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in Figure 1 A schematic structural diagram of a preferred embodiment of a protective cover with waterproof function provided by the utility model; Figure 2 for Figure 1 A schematic structural diagram of a cross-sectional view of the protective cover shown; Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of the protective cover shown; Figure 4 for Figure 1 A schematic diagram of the three-dimensional structure of the mounting plate shown; Figure 5 for Figure 1 The three-dimensional structural diagram of the mounting frame shown is a protective cover with a waterproof function, comprising: a mounting plate 1 and two card plates 2, a mounting mechanism 3 is arranged on the right side of the mounting plate 1 and on the surfaces of the two card plates 2, and a heat dissipation mechanism 4 is arranged on the surface of the mounting mechanism 3 in a mirror image on the front and back sides;

[0025] During use of the device, the inverter body 10 is protected by the mounting mechanism 3 , and the inverter body 10 is cooled and moisture-proofed by the heat dissipation mechanism 4 .

[0026] The mounting mechanism 3 includes a protective cover 31 arranged on the surface of the two card plates 2, and four sliding plates 32 are mirror-imaged on the inner side of the protective cover 31. The surfaces of the four sliding plates 32 are slidably connected to the inner sides of the card plates 2 and the mounting plate 1, and the inner sides of the card plates 2 and the mounting plate 1 are provided with sliding grooves 33 used in conjunction with the sliding plates 32.

[0027] The slide groove 33 cooperates with the slide plate 32 to allow the slide plate 32 to slide left and right. The slide plate 32 is moved leftward along the slide groove 33 to complete the installation of the protective cover 31, thereby protecting the inverter body 10.

[0028] The heat dissipation mechanism 4 includes two mounting frames 41 which are arranged on the surface of the protective cover 31 in a front and rear mirror-image manner. The inner sides of the two mounting frames 41 are both provided with rain shields 42 which can slide up and down. The inner sides of the two mounting frames 41 are both provided with card slots 43.

[0029] The card slot 43 is used in conjunction with the rain shield 42 to allow the rain shield 42 to slide up and down. After the rain shield 42 is slid upward, the heat dissipation net 45 can be exposed.

[0030] Four connecting plates 34 are arranged on the left side of the mounting plate 1 , and limit bolts 35 are arranged on the inner sides of the four connecting plates 34 and the four sliding plates 32 . Through holes 36 for use with the limit bolts 35 are opened on the inner sides of the four sliding plates 32 and the connecting plates 34 .

[0031] The provision of the through hole 36 facilitates the connection of the connecting plate 34 and the sliding plate 32 through the limiting bolt 35. After the limiting bolt 35 is inserted, the protective cover 31 can be prevented from falling off during use, and it is more convenient to disassemble the protective cover 31.

[0032] A protrusion 44 is disposed on the separated side of the two rain shields 42 , and two heat dissipation nets 45 are disposed on the inner side of the protective cover 31 .

[0033] The arrangement of the protrusion 44 facilitates the adjustment of the working state of the rain shield 42 , and the arrangement of the heat dissipation net 45 allows heat dissipation treatment of the inverter body 10 .

[0034] Three sleeves 5 are vertically arranged at the bottom of the top clamping plate 2, the inner sides of the three sleeves 5 are slidably connected with connecting columns 6, the bottoms of the three connecting columns 6 are fixedly connected with pressure plates 7, and the surfaces of the three sleeves 5 are sleeved with springs 8.

[0035] The elastic force of the spring 8 can cause the pressure plate 7 to pressurize the inverter body 10 , thereby fixing the position of the inverter body 10 and improving the stability of the inverter body 10 during use.

[0036] A moisture-proof pad 9 is arranged on the top of the bottom card plate 2 , and a frequency converter body 10 is arranged on the top of the moisture-proof pad 9 .

[0037] An observation plate 11 is arranged on the inner side of the right side of the protective cover 31 , and a mounting groove 12 is arranged on the inner side of the mounting plate 1 .

[0038] The observation plate 11 is provided to facilitate observation of the use of the inverter body 10 , and the installation slot 12 is provided to install the installation plate 1 .

[0039] The working principle of a protective cover with waterproof function provided by the utility model is as follows:

[0040] Step 1: When in use, first pull the pressure plate 7 upward to shrink the spring 8, then place the inverter body 10 on the top of the moisture-proof pad 9, release the pressure plate 7 to drive the pressure plate 7 to fix the inverter body 10 through the expansion of the spring 8, then align the four sliding plates 32 with the slide grooves 33 on the card plate 2, and then push the protective cover 31 to the left. When the protective cover 31 is pushed to the bottom, align the through holes 36 on the sliding plate 32 and the connecting plate 34, and then insert the limit bolt 35 into the sliding plate 32 and the connecting plate 34;

[0041] Step 2: Pull the rain shield 42 upwards through the protrusion 44 to expose the heat dissipation net 45, so that the inverter body 10 in the protective cover 31 can be cooled. When the protrusion 44 is released, the rain shield 42 slides down, and the protective cover 31 can be sealed, thereby preventing rainwater from entering the protective cover 31, which has a certain waterproof function.

[0042] Compared with the related art, the protective cover with waterproof function provided by the utility model has the following beneficial effects:

[0043] Align the four sliding plates 32 with the sliding grooves 33 on the card plate 2, and then push the protective cover 31 to the left. When the protective cover 31 is pushed to the bottom, the through holes 36 on the sliding plates 32 and the connecting plates 34 are aligned, and then the limit bolts 35 are inserted into the sliding plates 32 and the connecting plates 34. The operation is simple and convenient, and it is very convenient to quickly install and disassemble the protective cover 31, and it is convenient to repair and replace the inverter body 10.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A protective cover with waterproof function, characterized in that: include: A mounting plate (1) and two card plates (2), a mounting mechanism (3) being arranged on the right side of the mounting plate (1) and on the surfaces of the two card plates (2), and a heat dissipation mechanism (4) being arranged on the surfaces of the mounting mechanism (3) in a mirror-like manner in front and back; The mounting mechanism (3) comprises a protective cover (31) arranged on the surfaces of two card plates (2), and four sliding plates (32) are arranged on the inner side of the protective cover (31) in a mirror-like manner, and the surfaces of the four sliding plates (32) are slidably connected to the inner sides of the card plates (2) and the mounting plate (1), and the inner sides of the card plates (2) and the mounting plate (1) are provided with sliding grooves (33) used in conjunction with the sliding plates (32); The heat dissipation mechanism (4) comprises two mounting frames (41) which are arranged on the surface of the protective cover (31) in a front and rear mirror-image manner, and the inner sides of the two mounting frames (41) are both provided with rain shields (42) which can slide up and down, and the inner sides of the two mounting frames (41) are both provided with card slots (43).

2. The protective cover with waterproof function according to claim 1, characterized in that: Four connecting plates (34) are arranged on the left side of the mounting plate (1), and limiting bolts (35) are arranged on the inner sides of the four connecting plates (34) and the four sliding plates (32), and through holes (36) for use with the limiting bolts (35) are opened on the inner sides of the four sliding plates (32) and the connecting plates (34).

3. The protective cover with waterproof function according to claim 1, characterized in that: A protrusion (44) is provided on the separated side of the two rain shields (42), and two heat dissipation nets (45) are provided on the inner side of the protective cover (31).

4. The protective cover with waterproof function according to claim 1, characterized in that: Three sleeves (5) are vertically arranged at the bottom of the top clamping plate (2), the inner sides of the three sleeves (5) are slidably connected with connecting columns (6), the bottoms of the three connecting columns (6) are fixedly connected with pressure plates (7), and the surfaces of the three sleeves (5) are sleeved with springs (8).

5. The protective cover with waterproof function according to claim 1, characterized in that: A moisture-proof pad (9) is arranged on the top of the bottom card plate (2), and a frequency converter body (10) is arranged on the top of the moisture-proof pad (9).

6. The protective cover with waterproof function according to claim 1, characterized in that: An observation plate (11) is arranged on the inner side of the right side of the protective cover (31), and a mounting groove (12) is arranged on the inner side of the mounting plate (1).

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