CN215378767U

CN215378767U - Cabinet type four-quadrant frequency converter

Info

Publication number: CN215378767U
Application number: CN202121099183.9U
Authority: CN
Inventors: 周广宇; 李秀; 刘冰; 刘晓凯; 潘雪凤
Original assignee: Shandong Bocheng Electric Co ltd
Current assignee: Shandong Bocheng Electric Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-31
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a cabinet type four-quadrant frequency converter, which comprises a cabinet body, wherein a working chamber is arranged in the cabinet body, two fixed tables are fixedly arranged in the working chamber, a four-quadrant frequency converter is fixedly arranged between the two fixed tables, the four-quadrant frequency converter is arranged far away from the inner wall of the working chamber, a cleaning mechanism in the four-quadrant frequency converter is arranged in the working chamber, a cover plate is rotatably connected to one side of the cabinet body through a hinge, and the cover plate is arranged corresponding to the working chamber. The four-quadrant frequency converter can be continuously swept, dust is effectively prevented from being accumulated on the four-quadrant frequency converter to affect normal work, meanwhile, the four-quadrant frequency converter can be rapidly cooled, and the four-quadrant frequency converter is prevented from being burnt due to overhigh temperature.

Description

Cabinet type four-quadrant frequency converter

Technical Field

The utility model relates to the technical field of application of four-quadrant frequency converters, in particular to a cabinet type four-quadrant frequency converter.

Background

The four-quadrant frequency converter is a frequency converter capable of driving a motor to operate in four quadrants, the motor needs to rotate reversely under certain conditions, in addition, the torque direction can also be changed, the process often needs the four-quadrant frequency converter to participate, and along with the use of the speed regulation of the frequency converter, the change of the torque direction can be realized without depending on the change of the rotation direction. High efficiency four quadrant inverter products are used in applications requiring braking, where such torque control is desirable for certain applications, particularly in lift applications, where the torque direction is maintained regardless of changes in the direction of rotation.

However, in the prior art, in the process of using a cabinet type four-quadrant frequency converter, along with the increase of service time, more dust is often accumulated on the frequency converter, so that the use of the four-quadrant frequency converter is greatly influenced, and in the use process of the four-quadrant frequency converter, the problem that the four-quadrant frequency converter is burnt due to the slow heat dissipation problem is often caused, so that the service life of the four-quadrant frequency converter is greatly reduced, and for this reason, a cabinet type four-quadrant frequency converter is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, such as: the traditional cabinet type four-quadrant frequency converter often accumulates a large amount of dust along with the increase of the service time to influence the normal work, has poor heat dissipation and is easy to burn, and the cabinet type four-quadrant frequency converter is provided.

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

the cabinet type four-quadrant frequency converter comprises a cabinet body, a working chamber is formed in the cabinet body, two fixing tables are fixedly arranged in the working chamber, a four-quadrant frequency converter is fixedly arranged between the fixing tables, the four-quadrant frequency converter is far away from the inner wall of the working chamber, a cleaning mechanism is arranged in the working chamber and the four-quadrant frequency converter, a cover plate is rotatably connected to one side of the cabinet body through a hinge, and the cover plate is arranged corresponding to the working chamber.

Preferably, clean the mechanism and include the brush, it is provided with the slide to slide on the inner wall of studio, the slide passes through the slider slip setting in the studio, set up the spout that corresponds with the slider on the inner wall of studio, the slide is close to the four-quadrant converter setting, the brush is fixed to be set up on the slide is close to one side lateral wall of four-quadrant converter, just the brush corresponds the setting with the upper wall of four-quadrant converter, be equipped with the thrust unit who corresponds with it on the slide.

Preferably, the pushing device comprises a rotating wheel, a rotating groove corresponding to the rotating wheel is formed in one side wall, close to the four-quadrant frequency converter, of the sliding plate, a half circle of latch teeth are circumferentially arranged on the side wall of the rotating wheel, latch grooves corresponding to the latch teeth are symmetrically formed in two side walls of the rotating groove, a motor is fixedly arranged on the lower wall of the working chamber, the rotating wheel is fixedly connected with the output end of the motor through a transmission rod, and a heat dissipation mechanism corresponding to the four-quadrant frequency converter is further arranged in the working chamber.

Preferably, the heat dissipation mechanism includes two flabellums, the symmetry is fixed on the lower wall of studio is provided with two bases, two the flabellum rotates respectively through two bull sticks and sets up on two bases, a plurality of louvres have still been seted up to the upper wall of studio, the transfer line is equipped with the drive mechanism who corresponds with the bull stick.

Preferably, the transmission mechanism comprises a variable speed wheel, the variable speed wheel is fixedly sleeved on the transmission rod, and the variable speed wheel is in transmission connection with the two rotating rods through two transmission belts respectively.

Compared with the prior art, the utility model has the beneficial effects that: cooperation through motor and transfer line, the rotation of runner in the turn trough has been realized, the cooperation of rethread latch and draw-in groove, it reciprocates and transports to have realized the runner rotation and drive the slide, thereby it reciprocates to drive the brush and brush on the four-quadrant converter, can effectually avoid piling up the problem that influences the normal work of converter of dust on the four-quadrant converter, cooperation through change wheel and drive belt, the realization is to the variable speed transmission of bull stick, thereby it rotates to drive the flabellum, can accomplish and blow the four-quadrant converter, help the heat dissipation of four-quadrant converter, further improve the radiating effect through setting up the louvre, avoid the problem that the high temperature of four-quadrant converter appears burning out, the life of four-quadrant converter has been improved greatly.

Drawings

Fig. 1 is a schematic structural diagram of a cabinet-type four-quadrant frequency converter according to the present invention;

FIG. 2 is a schematic bottom view of the frequency converter;

fig. 3 is a schematic top view of the transmission wheel.

In the figure: the device comprises a cabinet body 1, a working chamber 2, a fixing table 3, a four-quadrant frequency converter 4, a sliding plate 5, a sliding groove 6, a brush 7, a transmission rod 8, a variable speed wheel 9, a transmission belt 10, fan blades 11, a rotating rod 12, a motor 13, a base 14, heat dissipation holes 15, a cover plate 16, a rotating groove 17 and a rotating wheel 18.

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.

Referring to fig. 1-3, a cabinet type four-quadrant frequency converter comprises a cabinet body 1, a working chamber 2 is arranged in the cabinet body 1, two fixed platforms 3 are fixedly arranged in the working chamber 2, a four-quadrant frequency converter 4 is fixedly arranged between the two fixed platforms 3, the four-quadrant frequency converter 4 is arranged far away from the inner wall of the working chamber 2, a cleaning mechanism which is arranged in the working chamber 2 and is corresponding to the four-quadrant frequency converter 4 is arranged in the working chamber 2, the cleaning mechanism comprises a brush 7, a sliding plate 5 is arranged on the inner wall of the working chamber 2 in a sliding manner, the sliding plate 5 is arranged close to the four-quadrant frequency converter 4, the brush 7 is fixedly arranged on one side wall of the sliding plate 5 close to the four-quadrant frequency converter 4, the brush 7 is arranged corresponding to the upper wall of the four-quadrant frequency converter 4, a pushing device corresponding to the brush 5 is arranged on the sliding plate 5, the pushing device comprises a rotating wheel 18, a rotating groove 17 corresponding to the rotating wheel 18 is formed in one side wall, close to the four-quadrant frequency converter 4, of the sliding plate 5, a half-circle of clamping teeth are circumferentially arranged on the side wall of the rotating wheel 18, clamping tooth grooves corresponding to the clamping teeth are symmetrically formed in two side walls of the rotating groove 17, a motor 13 is fixedly arranged on the lower wall of the working chamber 2, the rotating wheel 18 is fixedly connected with the output end of the motor 13 through a transmission rod 8, a heat dissipation mechanism corresponding to the four-quadrant frequency converter 4 is further arranged in the working chamber 2 and comprises two fan blades 11, two bases 14 are symmetrically and fixedly arranged on the lower wall of the working chamber 2, the two fan blades 11 are respectively and rotatably arranged on the two bases 14 through two rotating rods 12, a plurality of heat dissipation holes 15 are further formed in the upper wall of the working chamber 2, the transmission rod 8 is provided with a transmission mechanism corresponding to the rotating rods 12, the transmission mechanism comprises a transmission wheel 9, and the transmission wheel 9 is fixedly sleeved on the transmission rod 8, the variable-speed wheel 9 is respectively in transmission connection with the two rotary rods 12 through the two transmission belts 10, one side of the cabinet body 1 is rotatably connected with a cover plate 16 through a hinge, the cover plate 16 is arranged corresponding to the working chamber 2, the rotation of the rotary wheel 18 in the rotary groove 17 is realized through the matching of the motor 13 and the transmission rod 8, the reciprocating transportation of the sliding plate 5 driven by the rotation of the rotary wheel 18 is realized through the matching of the latch and the latch groove, the brush 7 is driven to brush on the four-quadrant frequency converter 4 in a reciprocating manner, the problem that the normal work of the frequency converter is influenced by the accumulation of dust on the four-quadrant frequency converter 4 can be effectively avoided, the variable-speed transmission of the rotary rods 12 is realized through the matching of the variable-speed wheel 9 and the transmission belts 10, the fan blades 11 are driven to rotate, the blowing of the four-quadrant frequency converter 4 through the heat dissipation holes can be finished, the heat dissipation of the four-quadrant frequency converter 4 is facilitated, the heat dissipation effect is further improved through the arrangement of the variable-speed wheel 9, the problem that the four-quadrant frequency converter 4 burns out due to overhigh temperature is avoided, and the service life of the four-quadrant frequency converter 4 is greatly prolonged.

In the utility model, when the cabinet type four-quadrant frequency converter 4 is used, only the motor 13 is started, the motor 13 drives the transmission rod 8 to rotate so as to drive the rotating wheel 18 to rotate in the rotating groove 17, thereby driving the sliding plate 5 to slide in the sliding groove 6 in a reciprocating way, driving the brush 7 to brush on the four-quadrant frequency converter 4 in a reciprocating way, effectively avoiding the problem that the accumulation of dust on the four-quadrant frequency converter 4 affects the normal work of the frequency converter, when the transmission rod 8 rotates, the variable speed wheel 9 rotates along with the transmission rod, and then the transmission rod 12 is driven to rotate by the driving belt 10, and then drive flabellum 11 and rotate, for four-quadrant converter 4 bloies, help four-quadrant converter 4 dispels the heat, and rethread louvre 15 is with heat exhaust cabinet body 1, has improved four-quadrant converter 4's radiating efficiency greatly, has avoided four-quadrant converter 4 to appear burning out because the high temperature problem.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a cabinet type four-quadrant converter, includes the cabinet body (1), its characterized in that, has seted up studio (2) in the cabinet body (1), studio (2) internal fixation is provided with two fixed stations (3), two fixed being provided with four-quadrant converter (4) between fixed station (3), the inner wall setting of studio (2) is kept away from in four-quadrant converter (4), just be equipped with in studio (2) with clean mechanism in four-quadrant converter (4), one side of the cabinet body (1) is connected with apron (16) through the hinge rotation, apron (16) correspond the setting with studio (2).

2. The cabinet type four-quadrant frequency converter according to claim 1, wherein the cleaning mechanism comprises a brush (7), a sliding plate (5) is slidably disposed on an inner wall of the working chamber (2), the sliding plate (5) is slidably disposed in the working chamber (2) through a sliding block, a sliding groove (6) corresponding to the sliding block is formed in the inner wall of the working chamber (2), the sliding plate (5) is disposed near the four-quadrant frequency converter (4), the brush (7) is fixedly disposed on a side wall of the sliding plate (5) near the four-quadrant frequency converter (4), the brush (7) is disposed corresponding to an upper wall of the four-quadrant frequency converter (4), and a pushing device corresponding to the sliding plate (5) is disposed on the sliding plate (5).

3. The cabinet type four-quadrant frequency converter according to claim 2, wherein the pushing device comprises a rotating wheel (18), a rotating groove (17) corresponding to the rotating wheel (18) is formed in a side wall of the sliding plate (5) close to the four-quadrant frequency converter (4), a half-circle of latch teeth are circumferentially arranged on a side wall of the rotating wheel (18), latch grooves corresponding to the latch teeth are symmetrically formed in side walls of two sides of the rotating groove (17), a motor (13) is fixedly arranged on a lower wall of the working chamber (2), the rotating wheel (18) is fixedly connected with an output end of the motor (13) through a transmission rod (8), and a heat dissipation mechanism corresponding to the four-quadrant frequency converter (4) is further arranged in the working chamber (2).

4. The cabinet type four-quadrant frequency converter according to claim 3, wherein the heat dissipation mechanism comprises two fan blades (11), two bases (14) are symmetrically and fixedly arranged on the lower wall of the working chamber (2), the two fan blades (11) are respectively and rotatably arranged on the two bases (14) through two rotating rods (12), a plurality of heat dissipation holes (15) are further formed in the upper wall of the working chamber (2), and the transmission rod (8) is provided with a transmission mechanism corresponding to the rotating rods (12).

5. The cabinet type four-quadrant frequency converter according to claim 4, characterized in that the transmission mechanism comprises a variable speed wheel (9), the variable speed wheel (9) is fixedly sleeved on the transmission rod (8), and the variable speed wheel (9) is in transmission connection with the two rotation rods (12) through two transmission belts (10).