CN218733920U

CN218733920U - Dustproof and moistureproof frequency converter

Info

Publication number: CN218733920U
Application number: CN202222937712.9U
Authority: CN
Inventors: 彭维建; 江辉建; 曾日红
Original assignee: Shenzhen Jingwei Electric Technology Co ltd
Current assignee: Shenzhen Jingwei Electric Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a dustproof moisture-proof type converter relates to converter technical field, including converter body and protective housing, the fixed mounting panel that is equipped with in the back of converter body, the mounting hole has all been seted up to four corners of mounting panel, and the fixed protective housing that is equipped with in one side of mounting panel, and the protective housing setting is in the outside of converter body, and a plurality of louvre has all been seted up to the both sides of protective housing, and the inner wall of protective housing both sides is all fixed and is equipped with the dust screen, and the top of protective housing is equipped with dampproofing subassembly, the beneficial effects of the utility model are that: the frequency converter body can be protected by the protective shell, and certain dustproof effect can be achieved by the inclined radiating holes without affecting the radiating effect; can adsorb the moisture that enters into the protective housing inside through the dampproofing subassembly that sets up, prevent that moisture from remaining in the life of the inside influence converter body of converter body.

Description

Dustproof and moistureproof frequency converter

Technical Field

The utility model relates to a converter, in particular to dustproof moisture-proof type converter belongs to converter technical field.

Background

A Variable-frequency Drive (VFD) is a power control device that applies frequency conversion technology and microelectronic technology to control an ac motor by changing the frequency of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (converting alternating current into direct current), a filtering unit, an inverting unit (converting direct current into alternating current), a braking unit, a driving unit, a detecting unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT (insulated gate bipolar transistor), and provides the required power supply voltage according to the actual requirement of the motor, so that the aims of energy conservation and speed regulation are fulfilled;

wherein the application number is "CN201921355776.X" the disclosed "a heat dissipation dust type converter" also is mature technique day by day, and it includes the casing, the inside installation cavity of having seted up of casing, install at the converter body in the installation cavity, the casing left end is provided with the heat dissipation chamber, install the fan in the heat dissipation chamber, be provided with first dust screen between heat dissipation chamber and the installation cavity, the inside clean mechanism that corresponds with first dust screen that is provided with of heat dissipation chamber, the installation cavity right-hand member is provided with the second dust screen, install a plurality of evenly distributed's hinge on the casing right-hand member lateral wall. The utility model has good heat dissipation and moisture-proof effects, can conveniently clean dust on the dust screen at the air inlet, has good dust-proof effect and is convenient to maintain; after further retrieval, the moisture-proof frequency converter disclosed in the application number "CN201720636526.8" is convenient for storing a desiccant by designing a detachable desiccant storage box at one side of the frequency converter, so that the frequency converter is convenient to dry, the problem that electronic elements are easily damaged due to excessive humidity inside the frequency converter is solved, and the service life of the frequency converter is further convenient to prolong;

however, the above two methods have disadvantages: the frequency converter body is not protected conveniently, and the entered moisture is not adsorbed conveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustproof moisture-proof type converter to solve the problem that is not convenient for protect the converter body that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dustproof and moistureproof frequency converter, includes converter body and protective housing, the fixed mounting panel that is equipped with in the back of converter body, the mounting hole has all been seted up to four corners of mounting panel, the fixed protective housing that is equipped with in one side of mounting panel, just the protective housing sets up the outside of converter body, a plurality of louvre has all been seted up to the both sides of protective housing, just the inner wall of protective housing both sides is all fixed and is equipped with the dust screen, the top of protective housing is equipped with dampproofing subassembly, the air channel has been seted up at the middle part on protective housing top.

Preferably, dampproofing subassembly includes bottom open-ended dampproofing case and moisture absorption structure, the bottom of dampproofing case both sides is all fixed and is equipped with the second fixed plate, two the second fixed plate all through two second set screws with the top fixed connection of protective housing, the mounting groove has been seted up on the top of dampproofing case.

Preferably, the moisture absorption structure includes connecting plate, spliced pole and moisture absorption chamber, the fixed limiting plate that is equipped with of connecting plate, the spliced pole is fixed to be set up the bottom of limiting plate, the moisture absorption chamber is fixed to be set up the bottom of spliced pole, a plurality of moisture absorption hole has been seted up on the surface in moisture absorption chamber.

Preferably, the limiting plate is connected with the mounting groove in a clamping mode, and two handles are fixedly arranged at the top end of the connecting plate.

Preferably, a plurality of the heat dissipation holes are all arranged to be inclined upwards by 45 degrees.

Preferably, the operation groove has been seted up in the front of protective housing, the inside in operation groove is equipped with the transparent plate, the fixed connecting axle that is equipped with of avris of transparent plate, the connecting axle with the both sides in operation groove are rotated and are connected, just the fixed surface of transparent plate is equipped with the handle.

Preferably, the top at the back of the protective shell and the bottom at the back of the protective shell are both fixedly provided with first fixing plates, and the first fixing plates are both fixedly connected with one side of the mounting plate through two first fixing screws.

Compared with the prior art, the utility model provides a pair of dustproof moisture-proof type converter has as follows

Has the advantages that:

1. the frequency converter body can be protected by the protective shell, and certain dustproof effect can be achieved by the inclined radiating holes without affecting the radiating effect;

2. moisture that enters into the protective housing inside can be adsorbed through the dampproofing subassembly that sets up, prevents that moisture from remaining in the inside life who influences the converter body of converter body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the frequency converter body of the present invention;

fig. 3 is a schematic structural view of the protective shell of the present invention;

FIG. 4 is a schematic view of a partial structure of the moisture barrier assembly of the present invention;

FIG. 5 is a schematic structural view of the moisture absorption structure of the present invention;

fig. 6 is a schematic structural diagram of the transparent plate of the present invention.

In the figure: 1. a frequency converter body; 2. mounting a plate; 201. mounting holes; 3. a protective shell; 301. heat dissipation holes; 302. a first fixing plate; 303. a first set screw; 4. a dust screen; 5. a vent groove; 6. a moisture barrier component; 601. a moisture-proof box; 602. a second fixing plate; 603. a second set screw; 604. mounting grooves; 605. a moisture absorbing structure; 6051. a connecting plate; 6052. a limiting plate; 6053. a handle; 6054. connecting columns; 6055. a moisture absorption cavity; 6056. moisture absorption holes; 7. an operation slot; 8. a transparent plate; 801. a connecting shaft; 802. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-6, the utility model provides a dustproof and moistureproof frequency converter, which comprises a frequency converter body 1 and a protective shell 3, wherein a mounting plate 2 is fixedly arranged on the back surface of the frequency converter body 1, mounting holes 201 are respectively arranged on four corners of the mounting plate 2, the protective shell 3 is fixedly arranged on one side of the mounting plate 2, the protective shell 3 is arranged outside the frequency converter body 1, a plurality of heat dissipation holes 301 are respectively arranged on two sides of the protective shell 3, a dustproof net 4 is fixedly arranged on the inner wall of each of the two sides of the protective shell 3, a moistureproof component 6 is arranged at the top end of the protective shell 3, and a vent groove 5 is arranged in the middle of the top end of the protective shell 3;

the plurality of heat dissipation holes 301 are all arranged to incline upwards by 45 degrees;

an operation groove 7 is formed in the front face of the protective shell 3, a transparent plate 8 is arranged inside the operation groove 7, a connecting shaft 801 is fixedly arranged on the side of the transparent plate 8, the connecting shaft 801 is rotatably connected with two sides of the operation groove 7, and a handle 802 is fixedly arranged on the surface of the transparent plate 8;

the top end of the back surface of the protective shell 3 and the bottom end of the back surface are both fixedly provided with first fixing plates 302, and the two first fixing plates 302 are both fixedly connected with one side of the mounting plate 2 through two first fixing screws 303;

the moisture-proof assembly 6 comprises a moisture-proof box 601 with an opening at the bottom end and a moisture absorption structure 605, wherein the bottom ends of the two sides of the moisture-proof box 601 are respectively fixedly provided with a second fixing plate 602, the two second fixing plates 602 are respectively fixedly connected with the top end of the protective shell 3 through two second fixing screws 603, and the top end of the moisture-proof box 601 is provided with a mounting groove 604;

specifically, as shown in fig. 1, 3, 4, and 5, the moisture-proof case 601 is first fixed to the top end of the protective case 3 by four second fixing screws 603, and the position of the moisture-proof case 601 is fixed.

Example 2:

the moisture absorption structure 605 comprises a connecting plate 6051, a connecting column 6054 and a moisture absorption cavity 6055, wherein the connecting plate 6051 is fixedly provided with a limiting plate 6052, the connecting column 6054 is fixedly arranged at the bottom end of the limiting plate 6052, the moisture absorption cavity 6055 is fixedly arranged at the bottom end of the connecting column 6054, and the surface of the moisture absorption cavity 6055 is provided with a plurality of moisture absorption holes 6056;

the limiting plate 6052 is connected with the mounting groove 604 in a clamping manner, and two handles 6053 are fixedly arranged at the top end of the connecting plate 6051;

specifically, as shown in fig. 1, fig. 3, fig. 4, and fig. 5, first, the connecting plate 6051 and the moisture absorption cavity 6055 are pulled out to the outside of the moisture-proof box 601 through two handles 6053, and a moisture-proof agent is added to the inside of the moisture absorption cavity 6055, and then the moisture absorption cavity 6055 is installed inside the moisture-proof box 601, so that the limiting plate 6052 is engaged with the mounting groove 604, the moisture inside the protective shell 3 enters the inside of the moisture absorption cavity 6055 through the moisture absorption hole 6056, and the moisture is adsorbed by the moisture-proof agent.

The working principle is as follows: at first with mounting panel 2 fixed mounting in the place of using through four mounting holes 201, then through four first set screw 303 with protective housing 3 fixed mounting in one side of mounting panel 2, protect inside converter body 1 through protective housing 3, louvre 301 through the slope form that sets up can carry out ventilation cooling to inside converter body 1, and the dust is difficult for entering into the inside of protective housing 3, and can further separate the dust through the dust screen 4 that sets up, play dirt-proof effect, then through four second set screw 603 with dampproof case 601 fixed mounting on the top of protective housing 3, and pull out connecting plate 6051 and moisture absorption chamber 6055 to the outside of dampproof case 601 through two handles 6053, and add the dampproof agent in the inside of moisture absorption chamber 6055, then install the inside at dampproof case 601 with moisture absorption chamber 6055, make limiting plate 6052 and mounting groove 604 block, the inside moisture of protective housing 3 enters into the inside of moisture absorption chamber 6055 through moisture absorption hole 6056, adsorb through the dampproof agent, play the effect of dampproof case, when needing to operate converter body 1, can operate the transparent plate through the transparent plate 8 to the converter body.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dustproof and moistureproof frequency converter, includes converter body (1) and protective housing (3), fixed mounting panel (2) that is equipped with in the back of converter body (1), mounting hole (201) have all been seted up to four corners of mounting panel (2), its characterized in that, fixed protective housing (3) that is equipped with in one side of mounting panel (2), just protective housing (3) set up the outside of converter body (1), a plurality of louvre (301) have all been seted up to the both sides of protective housing (3), just the inner wall of protective housing (3) both sides is all fixed and is equipped with dust screen (4), the top of protective housing (3) is equipped with dampproofing subassembly (6), air channel (5) have been seted up at the middle part on protective housing (3) top.

2. The dustproof and moistureproof frequency converter according to claim 1, wherein: dampproofing subassembly (6) is including bottom open-ended dampproofing case (601) and moisture absorption structure (605), the bottom of dampproofing case (601) both sides is all fixed and is equipped with second fixed plate (602), two second fixed plate (602) all through two second set screw (603) with the top fixed connection of protective housing (3), mounting groove (604) have been seted up on the top of dampproofing case (601).

3. The dustproof and moistureproof frequency converter according to claim 2, wherein: moisture absorption structure (605) include connecting plate (6051), spliced pole (6054) and moisture absorption chamber (6055), connecting plate (6051) are fixed and are equipped with limiting plate (6052), spliced pole (6054) are fixed to be set up the bottom of limiting plate (6052), moisture absorption chamber (6055) are fixed to be set up the bottom of spliced pole (6054), a plurality of moisture absorption hole (6056) have been seted up on the surface in moisture absorption chamber (6055).

4. The dustproof and moistureproof frequency converter according to claim 3, wherein: the limiting plate (6052) is connected with the mounting groove (604) in a clamping mode, and two handles (6053) are fixedly arranged at the top end of the connecting plate (6051).

5. The dust-proof and moisture-proof frequency converter according to claim 1, characterized in that: the heat dissipation holes (301) are all arranged to be inclined upwards by 45 degrees.

6. The dustproof and moistureproof frequency converter according to claim 1, wherein: operation groove (7) have been seted up in the front of protective housing (3), the inside in operation groove (7) is equipped with transparent plate (8), the avris of transparent plate (8) is fixed and is equipped with connecting axle (801), connecting axle (801) with the both sides in operation groove (7) are rotated and are connected, just the fixed surface of transparent plate (8) is equipped with handle (802).

7. The dustproof and moistureproof frequency converter according to claim 1, wherein: the top at the back of protective housing (3) and the bottom at the back all fixedly are equipped with first fixed plate (302), two first fixed plate (302) all through two first set screw (303) with one side fixed connection of mounting panel (2).