CN216356427U

CN216356427U - Frequency converter protection device

Info

Publication number: CN216356427U
Application number: CN202122206521.0U
Authority: CN
Inventors: 董双坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-19
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a frequency converter protection device, and relates to the technical field of protection devices. Including casing and the fan unit of setting in the casing inside, two sets of recesses and two sets of louvres have been seted up to the bottom of casing, the inside of casing is provided with the fixed subassembly fixed to the converter, the inside of casing is provided with the driven subassembly that the louvre was opened to the control casing, fixed subassembly includes the fixed column, the bottom sliding connection of fixed column is on the inner wall of casing. Through the fixed subassembly that sets up, can be when installing the converter, place the converter between two fixed columns, the converter supports to move L type kelly and uses and fixed column articulated position clockwise rotation as the centre of a circle, in L type kelly can insert the recess that the converter both sides were seted up in advance, the realization is installed fixedly to the converter, when dismantling, only need with the fixed column stimulate left can, avoid the conventional bolt fixed mounting to use to dismantle trouble problem.

Description

Frequency converter protection device

Technical Field

The utility model relates to the technical field of protective devices, in particular to a frequency converter protective device.

Background

The frequency converter is a power control device which applies frequency conversion technology and microelectronic technology and controls an alternating current motor by changing the working power supply frequency mode of the motor, and mainly comprises a rectification unit (alternating current to direct current), a filtering unit, an inversion unit (direct current to alternating current), a braking unit, a driving unit, a detection unit microprocessing unit and the like.

The existing frequency converter protecting device is characterized in that a bolt is used for fixing a frequency converter inside the protecting device, so that the frequency converter is difficult to mount and dismount, and because the protecting device is provided with heat dissipation holes, after the protecting device is placed for a period of time, the frequency converter is mounted inside the protecting device, the inside of the protecting device needs to be cleaned firstly, and therefore the frequency converter protecting device is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a frequency converter protection device, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a converter protector, includes the casing and sets up the fan unit in the casing inside, two sets of recesses and two sets of louvres have been seted up to the bottom of casing, the inside of casing is provided with the fixed subassembly fixed to the converter, the inside of casing is provided with the driven subassembly that the louvre was opened to the control casing.

Preferably, the fixing assembly comprises a fixing column, the bottom of the fixing column is connected to the inner wall of the shell in a sliding mode, the left side of the fixing column is fixed to one end of the spring A, the other end of the spring A is fixed to the inner wall of the shell, and the top of the fixing column is hinged to the middle of the L-shaped clamping rod.

Preferably, the driven assembly comprises an L-shaped ejector rod, the L-shaped ejector rod penetrates through the bottom and the right side of the fixed column, the L-shaped ejector rod penetrates through the bottom of the shell and is hinged to the shell, and the left side of the L-shaped ejector rod is fixed to the right side of the support rod.

Preferably, the driven subassembly is still including the sleeve, the inboard at casing bottom recess is fixed at telescopic top, telescopic bottom run through by the slide bar and with slide bar sliding connection, the top of slide bar is fixed with spring B's one end, spring B's the other end is fixed on telescopic inner wall, the right side of slide bar is articulated with the one end of branch, the other end of branch is articulated with the left side of baffle, the top sliding connection of baffle is in the bottom of casing.

Preferably, the fixed assembly and the driven assembly are both provided with two groups, and the two groups of driven assemblies are symmetrically arranged by taking the center line of the shell as a symmetry axis.

Preferably, the baffle is provided with a through hole.

(III) advantageous effects

The utility model provides a frequency converter protection device. The method has the following beneficial effects:

(1) this converter protector, through the fixed subassembly that sets up, can be when installing the converter, place the converter between two fixed columns, the converter supports to move L type kelly and uses and fixed column articulated position clockwise rotation as the centre of a circle, L type kelly can insert in the recess that the converter both sides were seted up in advance, the realization is installed fixedly to the converter, when dismantling, only need with the fixed column stimulate left can, avoid the conventional bolt fixed mounting to dismantle trouble problem.

(2) This converter protector, through the driven subassembly that sets up, can be when installing the converter, the louvre of casing bottom just can be opened, can keep encapsulated situation before having avoided the casing not to use, avoids the dust to get into.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a schematic view of the structure of heat dissipation holes at the bottom of the housing according to the present invention;

FIG. 4 is a schematic view of a through hole structure of the baffle according to the present invention;

FIG. 5 is a schematic diagram of a groove structure on a frequency converter according to the present invention.

In the figure: 1. a housing; 2. a fan device; 3. a fixing assembly; 31. fixing a column; 32. a spring A; 33. an L-shaped clamping rod; 4. a driven assembly; 41. an L-shaped ejector rod; 42. a stay bar; 43. a sleeve; 44. a slide bar; 45. a spring B; 46. a baffle plate; 47. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a converter protector, including casing 1 and the fan unit 2 of setting in casing 1 inside, two sets of recesses and two sets of louvre have been seted up to casing 1's bottom, casing 1's inside is provided with fixed subassembly 3 fixed to the converter, casing 1's inside is provided with the driven subassembly 4 that the louvre was opened to control casing 1, fixed subassembly 3 and driven subassembly 4 all are provided with two sets of and two sets of driven subassembly 4 and all use casing 1's central line to set up as symmetry axis symmetry, when normal work, because the louvre is in casing 1 bottom, and then when fan unit 2 normally dispels the heat to the converter, can avoid the dust to get into.

In this embodiment, fixed subassembly 3 includes fixed column 31, the bottom sliding connection of fixed column 31 is on the inner wall of casing 1, the left side of fixed column 31 is fixed with the one end of spring A32, the other end of spring A32 is fixed on the inner wall of casing 1, the top of fixed column 31 is articulated mutually with the intermediate position of L type kelly 33, when installing the converter, place the converter between two fixed columns 31, the converter supports to move L type kelly 33 and uses and rotate clockwise as the centre of a circle with fixed column 31 articulated position, L type kelly 33 can insert in the recess that the converter both sides were seted up in advance, the realization is fixed the installation to the converter.

In this embodiment, the driven assembly 4 includes an L-shaped rod 41, the L-shaped rod 41 penetrates through the bottom and the right side of the fixed column 31, the L-shaped rod 41 penetrates through the bottom of the housing 1 and is hinged to the housing 1, the left side of the L-shaped rod 41 is fixed to the right side of the support rod 42, the top of the sleeve 43 is fixed to the inner side of the bottom groove of the housing 1, the bottom of the sleeve 43 is penetrated through by the slide rod 44 and is slidably connected to the slide rod 44, the top of the slide rod 44 is fixed to one end of the spring B45, the other end of the spring B45 is fixed to the inner wall of the sleeve 43, when the L-shaped rod 41 is abutted by the L-shaped clamping bar 33 and rotates counterclockwise around the position hinged to the housing 1, the support rod 42 can be driven to jack up the housing 1, so that the housing 1 is separated from the ground, the slide rod 44 is no longer abutted by the ground, under the action of the spring B45, the slide rod 44 moves downward, the slide rod 44 pulls the baffle 46 to move leftward through the support bar 47, the right side of slide bar 44 is articulated with the one end of branch 47, and the other end of branch 47 is articulated with the left side of baffle 46, and the top sliding connection of baffle 46 has seted up the through-hole in the bottom of casing 1 in the bottom of baffle 46, when baffle 46 moved left, the through-hole on baffle 46 can coincide with the louvre of casing 1 bottom, and then the louvre of casing 1 bottom can be opened.

During the during operation (or during the use), when installing the converter, place the converter between two fixed columns 31, the converter supports to move L type kelly 33 and uses the position articulated with fixed column 31 as centre of a circle clockwise rotation, and L type kelly 33 can insert in the recess that the converter both sides were seted up in advance, realizes installing fixedly the converter.

Meanwhile, the L-shaped clamping rod 33 pushes the L-shaped ejector rod 41 to rotate counterclockwise around the position hinged to the casing 1, the L-shaped ejector rod 41 drives the stay rod 42 to jack up the casing 1, so that the casing 1 is separated from the ground, the slide rod 44 is not pushed against the ground any more, under the action of the spring B45, the slide rod 44 moves downward, the slide rod 44 pulls the baffle 46 to move leftward through the support rod 47, when the baffle 46 moves leftward, the through hole on the baffle 46 can coincide with the heat dissipation hole at the bottom of the casing 1, and then the heat dissipation hole at the bottom of the casing 1 can be opened.

When the frequency converter needs to be disassembled, only the fixing column 31 needs to be pulled leftwards, so that the L-shaped clamping rod 33 does not clamp the frequency converter, the L-shaped clamping rod 33 exits from the groove on the frequency converter, and then the frequency converter can be disassembled easily, because the L-shaped clamping rod 33 is not supported by the frequency converter at the moment, the support rod 42 drives the L-shaped ejector rod 41 to rotate clockwise around the position hinged with the shell 1 under the action of the gravity of the shell 1, the slide rod 44 is supported by the ground again to move upwards, the slide rod 44 pushes the baffle 46 to move rightwards through the support rod 47, so that the through hole on the baffle 46 is not superposed with the through hole at the bottom of the shell 1, and the through hole at the bottom of the shell 1 is blocked.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a converter protector, includes casing (1) and sets up fan unit (2) inside casing (1), its characterized in that: two sets of recesses and two sets of louvres have been seted up to the bottom of casing (1), the inside of casing (1) is provided with fixed subassembly (3) fixed to the converter, the inside of casing (1) is provided with driven subassembly (4) that control casing (1) opened the louvre.

2. A transducer guard according to claim 1, characterised in that: the fixed assembly (3) comprises a fixed column (31), the bottom of the fixed column (31) is connected to the inner wall of the shell (1) in a sliding mode, the left side of the fixed column (31) is fixed to one end of a spring A (32), the other end of the spring A (32) is fixed to the inner wall of the shell (1), and the top of the fixed column (31) is hinged to the middle of an L-shaped clamping rod (33).

3. A transducer guard according to claim 1, characterised in that: driven subassembly (4) include L type ejector pin (41), L type ejector pin (41) run through the bottom and the right side of fixed column (31), L type ejector pin (41) run through the bottom of casing (1) and are articulated with casing (1), the left side of L type ejector pin (41) is fixed with the right side of vaulting pole (42).

4. A transducer guard according to claim 1, characterised in that: driven subassembly (4) are still including sleeve (43), the inboard at casing (1) bottom recess is fixed at the top of sleeve (43), the bottom of sleeve (43) is run through by slide bar (44) and with slide bar (44) sliding connection, the top of slide bar (44) is fixed with the one end of spring B (45), the other end of spring B (45) is fixed on the inner wall of sleeve (43), the right side of slide bar (44) is articulated with the one end of branch (47), the other end of branch (47) is articulated with the left side of baffle (46), the top sliding connection of baffle (46) is in the bottom of casing (1).

5. A transducer guard according to claim 1, characterised in that: the fixed assembly (3) and the driven assembly (4) are both provided with two groups of driven assemblies (4) which are symmetrically arranged by taking the center line of the shell (1) as a symmetry axis.

6. The frequency converter protector of claim 4, wherein: the baffle (46) is provided with a through hole.