CN217956962U

CN217956962U - Frequency converter protection device

Info

Publication number: CN217956962U
Application number: CN202221303273.XU
Authority: CN
Inventors: 任立军
Original assignee: Excellence Energy Technology Tianjin Co ltd
Current assignee: Excellence Energy Technology Tianjin Co ltd
Priority date: 2022-05-28
Filing date: 2022-05-28
Publication date: 2022-12-02
Anticipated expiration: 2032-05-28

Abstract

The utility model discloses a converter protection device belongs to converter technical field, include the bottom plate and weld in the safety cover of bottom plate roof, bottom plate diapire center department welding has the intake pipe, safety cover roof center department welding has the outlet duct, all install the vertical fan up of wind direction in intake pipe and the outlet duct, all install the dust screen in intake pipe inner chamber and the outlet duct inner chamber, wherein the dust screen in outlet duct inner chamber is located the top of its inner chamber, lie in the dust screen below in the intake pipe inner chamber and be equipped with servo motor, with servo motor's output shaft coaxial coupling's bar pole and install the cleaning brush in bar pole roof, the cleaning brush closely laminates with the dust screen bottom wall, the four corners of bottom plate diapire all is fixed to bond has the corner pile. This converter protection device avoids the dust to block up the dust screen, effectively prevents simultaneously that the dust from getting into in the safety cover reentrant frequency converter.

Description

Frequency converter protection device

Technical Field

The utility model belongs to the technical field of the converter, especially, relate to a converter protection device.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the technology: chinese patent application No. CN202120674022.1, a frequency converter protection device, which can rotate fan blades through the operation of a driving device in a heat dissipation box, wherein the fan blades can continuously blow air to the frequency converter in a main body box when rotating, so as to effectively dissipate heat of the frequency converter, which is beneficial to prolonging the service life of the frequency converter; the problem of dust entering can be caused due to the arrangement of the fan, if the dust screen is arranged to block dust, the dust screen can be blocked after a long time, and if the dust screen is not arranged, a large amount of dust can enter the frequency converter.

Therefore, a frequency converter protection device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a multi-functional agricultural video monitoring device avoids the dust to block up the dust screen, effectively prevents simultaneously that the dust from getting into in the safety cover reentrant converter, can effectively solve the problem in the background art.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a converter protection device, includes the bottom plate and welds the safety cover in the bottom plate roof, the welding of bottom plate diapire center department has the intake pipe, the welding of safety cover roof center department has the outlet duct, all install the vertical up fan of wind direction in intake pipe and the outlet duct, all install the dust screen in intake pipe inner chamber and the outlet duct inner chamber, wherein the dust screen in outlet duct inner chamber is located the top of its inner chamber, lie in the dust screen below in the intake pipe inner chamber and be equipped with servo motor, with servo motor's output shaft coaxial coupling's bar pole and install the clean brush in bar pole roof, clean brush closely laminates with the dust screen bottom wall, the four corners of bottom plate diapire all is fixed to bond there is the corner pile.

Preferably, a support rod is welded in the inner cavity of the air inlet pipe and below the dust screen, the servo motor is welded in the center of the bottom wall of the support rod, and the strip-shaped rod and the cleaning brush are both positioned above the support rod; the servo motor, the bar-shaped rod and the cleaning brush can stably run through the arranged support rod.

Preferably, the two sides of the top wall of the bottom plate are both provided with first springs, and the ends, close to each other, of the two first springs are both fixedly connected with movable seats attached to the top wall of the bottom plate; two sliding seats all can slide on the bottom plate roof, through two first springs of two sliding seat cooperations, can follow the horizontal direction and fix the converter.

Preferably, one end of each of the two first springs, which is far away from each other, is fixedly connected with a support, and the two supports are welded on the top wall of the bottom plate; the position of the first spring can be limited by the two supports, so that the movable seat can smoothly slide.

Preferably, the centers of the top walls of the two movable seats are respectively provided with a movable groove towards the inside, a second spring and an inserting rod are respectively arranged in the two movable grooves, and two ends of the second spring are respectively fixedly connected with the bottom wall of the movable groove and the bottom wall of the inserting rod; thereby the plunger is provided with the scalability through the second spring.

Preferably, one ends of the two plunger rods, which are far away from the second spring, respectively extend out of the two movable grooves and are welded with top cover plates; two plunger can drive two lamina tecti from vertical direction to fix the converter under two second spring actions.

To sum up, the utility model discloses a technological effect and advantage:

according to the frequency converter protection device, the strip-shaped rod and the cleaning brush are driven to rotate through the work of the servo motor, so that the cleaning brush is continuously wiped on the surface of the dustproof net, dust attached to the surface of the dustproof net is scraped in real time, the dustproof net is prevented from being blocked by the dust, and meanwhile, the dust is effectively prevented from entering the protection cover and then entering the frequency converter;

this converter protection device drives two sliding seats through two first springs and is close to each other, can follow the fixed converter of horizontal direction, drives two lamina tecti and converter laminating through two second springs, can follow the fixed converter of vertical direction, through fixing the converter simultaneously from two directions for the fixed effect of converter is better, makes the converter can not produce hardly and rocks.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view of the base plate and protective cover of FIG. 1 taken along line A-A in accordance with the present invention;

FIG. 3 is an enlarged view of the structure B in FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the bottom plate and the upper side thereof;

fig. 5 is a cross-sectional view of the movable base and the upper structure thereof along the line C-C of fig. 4 according to the present invention.

In the figure: 1. a base plate; 2. a protective cover; 3. an air inlet pipe; 4. an air outlet pipe; 5. a fan; 6. a strut; 7. a servo motor; 8. a bar-shaped rod; 9. a cleaning brush; 10. a dust screen; 11. a support; 12. a first spring; 13. a movable seat; 14. a movable groove; 15. a second spring; 16. inserting a rod; 17. a top cover plate; 18. and (7) corner piles.

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.

Referring to fig. 1-3, a frequency converter protection device comprises a bottom plate 1 and a protective cover 2 welded on the top wall of the bottom plate 1, wherein an air inlet pipe 3 is welded at the center of the bottom wall of the bottom plate 1, an air outlet pipe 4 is welded at the center of the top wall of the protective cover 2, fans 5 with upward vertical wind directions are installed in the air inlet pipe 3 and the air outlet pipe 4, dust screens 10 are installed in the inner cavities of the air inlet pipe 3 and the air outlet pipe 4, the dust screen 10 in the inner cavity of the air outlet pipe 4 is positioned at the top of the inner cavity of the air outlet pipe, and a support rod 6 is welded in the inner cavity of the air inlet pipe 3 and below the dust screen 10;

wherein lie in dust screen 10 below in the 3 inner chambers of intake pipe and be equipped with servo motor 7, bar pole 8 with servo motor 7's output shaft coaxial coupling with install in the cleaning brush 9 of bar pole 8 roof, servo motor 7 welds in 6 diapire center departments of branch, bar pole 8 and cleaning brush 9 all are located branch 6 tops, branch 6 through setting up makes servo motor 7, bar pole 8 and cleaning brush 9 all can move steadily, cleaning brush 9 closely laminates with dust screen 10 diapire, it has angular pile 18 all to fix the bonding in the four corners of 1 diapire of bottom plate, a use for making bottom plate 1 keep stable, four angular pile 18 can make intake pipe 3 not contact with the horizontal plane simultaneously.

Referring to fig. 4-5, first springs 12 are disposed on two sides of the top wall of the bottom plate 1, a support 11 is fixedly connected to each end, away from each other, of each of the two first springs 12, a movable seat 13 attached to the top wall of the bottom plate 1 is fixedly connected to each end, close to each other, of each of the two first springs 12, each of the two supports 11 is welded to the top wall of the bottom plate 1, the positions of the first springs 12 can be limited by the two supports 11, so that the movable seats 13 can slide smoothly, the two movable seats 13 can slide on the top wall of the bottom plate 1, and the two movable seats 13 are matched with the two first springs 12 to fix the frequency converter in the horizontal direction;

all be formed with movable groove 14 to its inside in the center department at two movable seat 13 roof, all be equipped with second spring 15 and plunger 16 in two movable grooves 14, wherein the both ends of second spring 15 respectively with movable groove 14's diapire and plunger 16's diapire fixed connection, thereby make plunger 16 possess scalability through second spring 15, two plungers 16 keep away from the one end of second spring 15 and stretch out and weld respectively from two movable grooves 14 in and have a lamina tecti 17, two plungers 16 can drive two lamina tecti 17 under two second spring 15 effects and fix the converter from vertical direction.

The working principle is as follows: firstly, sliding the two movable seats 13 on the top wall of the bottom plate 1 and moving the two movable seats away from each other to compress the two first springs 12, simultaneously lifting the two top cover plates 17 upwards to elongate the two second springs 15, then placing the frequency converter on the top wall of the bottom plate 1 in an area between the two movable seats 13, then loosening the two movable seats 13, and under the action of the two first springs 12, enabling the two movable seats 13 to approach each other and fixing the two ends of the frequency converter in the horizontal direction (keeping the second springs 15 in an elongated state all the time in the process);

after the two movable seats 13 are contacted with and fixed on the frequency converter, the two top cover plates 17 are loosened, the two insertion rods 16 are driven to gradually enter the two movable grooves 14 under the action of the two second springs 15, and the two top cover plates 17 sink and are fixed with the top of the frequency converter, so that the frequency converter is fixed in the vertical direction;

the frequency converter can hardly move through the fixation in the two directions, and then the protective cover 2 is welded on the top wall of the bottom plate 1 to finish the isolation of the frequency converter from the external environment;

can generate heat in the converter course of work, need drive two fan 5 works, two fan 5 all with external power supply electric connection, guarantee its normal work, drive 7 work of servo motor simultaneously and drive bar 8 and the operation of cleaning brush 9, cleaning brush 9 makes a round trip to constantly clean everywhere on dust screen 10 diapire, scrape adnexed dust on the dust screen 10 down, avoid the dust to block up dust screen 10, fan 5 work in the intake pipe 3 sends into the outside air safety cover 2 inner chambers, 5 work of fan in the outlet duct 4 are with the air escape of 2 inner chambers of safety cover, realize thermal discharge.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a converter protection device, includes bottom plate (1) and welds safety cover (2) in bottom plate (1) roof, a serial communication port, bottom plate (1) diapire center department welding has intake pipe (3), safety cover (2) roof center department welding has outlet duct (4), all install vertical fan (5) up of wind direction in intake pipe (3) and outlet duct (4), all install dust screen (10) in intake pipe (3) inner chamber and outlet duct (4) inner chamber, wherein dust screen (10) of outlet duct (4) inner chamber are located the top of its inner chamber, it is equipped with servo motor (7) to lie in dust screen (10) below in intake pipe (3) inner chamber, with output shaft coaxial coupling's of servo motor (7) bar pole (8) and install in bar pole (8) roof cleaning brush (9), closely laminate with dust screen (10) diapire in cleaning brush (9), the four corners of bottom plate (1) diapire all is fixed with angle stake (18) that bond.

2. The frequency converter protection device according to claim 1, wherein a support rod (6) is welded in the inner cavity of the air inlet pipe (3) below the dust screen (10), the servo motor (7) is welded at the center of the bottom wall of the support rod (6), and the bar-shaped rod (8) and the cleaning brush (9) are both located above the support rod (6).

3. The frequency converter protection device according to claim 1, wherein the two sides of the top wall of the bottom plate (1) are respectively provided with a first spring (12), and one end of each of the two first springs (12) close to each other is fixedly connected with a movable seat (13) attached to the top wall of the bottom plate (1).

4. A frequency converter protection device according to claim 3, characterized in that the ends of the two first springs (12) away from each other are fixedly connected with supports (11), and the two supports (11) are welded on the top wall of the bottom plate (1).

5. A protection device for frequency converter according to claim 3, characterized in that a movable groove (14) is formed towards the inside of the center of the top wall of each of the two movable seats (13), a second spring (15) and an insert rod (16) are arranged in each of the two movable grooves (14), wherein two ends of the second spring (15) are respectively and fixedly connected with the bottom wall of the movable groove (14) and the bottom wall of the insert rod (16).

6. A frequency converter protection device according to claim 5, characterized in that the ends of the two plungers (16) remote from the second spring (15) respectively protrude from the two movable slots (14) and are welded with a top cover plate (17).