CN221058185U - Soft starting device of frequency converter - Google Patents

Abstract

The application discloses a soft starting device of a frequency converter, which belongs to the field of frequency converters and comprises a soft starter, wherein radiating holes distributed in a rectangular array are formed in two sides of the soft starter, dust screens are arranged in two sides of the soft starter, two symmetrically distributed support blocks are fixedly arranged on one side of the soft starter and distributed on two sides of the same group of dust screens, a mounting frame is slidably arranged between the two support blocks, air inlets distributed in a rectangular array are formed in one side, far away from the soft starter, of the mounting frame, a radiating assembly is arranged in the mounting frame, and a dust assembly is arranged on one side, far away from the soft starter, of the mounting frame. According to the application, through the arrangement of the heat dissipation assembly, the plurality of fan blades are driven to synchronously rotate by the speed reduction motor, and the outside cold air is guided into the soft starter by utilizing wind power generated by the fan blades, so that the heat in the soft starter is discharged through the heat dissipation hole on the other side, thereby playing a role in heat dissipation and being beneficial to improving the heat dissipation efficiency of equipment.

Description

Soft starting device of frequency converter

Technical Field

The application relates to the field of frequency converters, in particular to a soft start device of a frequency converter.

Background

The soft start of the frequency converter is mainly realized by adjusting the output voltage and the frequency, and the operating speed of the motor is gradually increased in a certain time by adopting the soft start principle, so that the fluctuation of the power grid voltage and the vibration of the motor caused by the overlarge current in the moment of starting the motor are avoided, and the protection effect is achieved.

But the outside of some existing frequency converter soft starter shells does not have a heat radiation structure, and the heat radiation mode is only through self heat radiation, and the radiating efficiency is lower, and equipment can probably produce the damage because of the high temperature after long-time use of equipment, has reduced the practicality of equipment. Therefore, in order to solve the above-mentioned problems, we propose a soft start device of a frequency converter.

Disclosure of utility model

In order to solve the problems, the application provides a soft start device of a frequency converter, which adopts the following technical scheme:

The utility model provides a converter soft start device, includes soft starter, the louvre that is rectangular array distribution is all offered to soft starter both sides, just soft starter both sides all are equipped with the dust screen, soft starter one side fixed mounting has two to be symmetric distribution's piece, and two the piece distributes in same group the dust screen both sides, two slidable mounting has the installing frame between the piece, just the inlet port that is rectangular array distribution is offered to installing frame one side of keeping away from soft starter, be equipped with radiator unit in the installing frame, just soft starter one side is kept away from to the installing frame is equipped with dustproof subassembly, the soft starter dorsal part is equipped with the installing subassembly.

Through adopting above-mentioned technical scheme, when this equipment was used, staff accessible installation component installs equipment in corresponding position, can produce heat when equipment was used, produce wind-force through radiating component, and make outside cold air lead-in soft starter inside, afterwards, the inside heat of soft starter is discharged through the louvre that the opposite side was seted up, can play cold and hot exchange's effect, and then play radiating effect, be favorable to improving the radiating efficiency of equipment, the louvre outside passes through the setting of dust screen, can play dirt-proof effect, and in the air passes through the dust-proof component filtration back entering installing frame, dust-proof component can play the effect of dust in the filtered air, help avoiding the dust to get into inside and the electronic component contact with the air along with the air, and then the phenomenon that damages appears to the equipment.

Further, the radiating component comprises a mounting plate fixedly mounted in the mounting frame, a gear motor is arranged on the side wall of the mounting plate, a driving wheel disc is fixedly sleeved on the output shaft of the gear motor, two rotating rods which are symmetrically distributed are rotatably mounted on one side of the mounting plate, driven wheel discs are sleeved on the side walls of the rotating rods, two wheel grooves are formed in the driving wheel discs, a transmission belt is sleeved between the driven wheel discs and the driving wheel discs, and fan blades are sleeved on the side walls of the rotating rods and the side walls of the output shaft of the gear motor.

Through adopting above-mentioned technical scheme, through gear motor drive rim plate rotation, two driven rim plates synchronous rotation of drive rim plate drive belt, driven rim plate drive is with group dwang rotation, dwang and gear motor synchronous drive flabellum rotate, through the flabellum rotation produce wind-force, wind-force gets into inside the soft starter, can play radiating effect, and wind-force can be with external cold air leading-in soft starter in, is favorable to improving the radiating effect of equipment.

Further, dustproof subassembly includes fixed mounting in the mounting frame and keeps away from the mounting bracket of soft starter one side, sliding mounting has dustproof cotton in the mounting bracket, just dustproof cotton both sides are equal fixed mounting has the slider, the mounting bracket inboard seted up with group slider assorted spout.

Through adopting above-mentioned technical scheme, the setting of dustproof cotton is passed through in the installing frame outside, can play the effect of filtering dust in absorbing air, helps avoiding the dust to get into inside and the electronic component contact of equipment along with the air, and then makes the phenomenon that damages appear in the equipment, and dustproof cotton is fixed through the spout block that slider and installing frame inboard were seted up, and the staff of being convenient for dismantles and changes dustproof cotton, is favorable to keeping the dustproof effect of equipment.

Further, the installation component includes two fixed mounting in the extension board of soft starter dorsal part, two the storage tank has all been seted up at the extension board both ends, just equal slidable mounting has the extension board in the storage tank, the extension board with group all fixed mounting has two traction springs that are symmetric distribution between the inner wall of one side opposite to the storage tank, with two of group the equal fixed mounting of one end opposite to the extension board has the spigot plate.

Through adopting above-mentioned technical scheme, the staff places soft starter in corresponding position, passes socket board and nut cooperation through the bolt, can play the effect of fixed soft starter, and the staff accessible pulling extension board is located with the inslot that accomodates of group and slides, through extension board and extension board cooperation, can play the effect of adjusting the socket board position, the follow-up fixed soft starter of staff of being convenient for, and the extension board is fixed under the elasticity effect of tractive spring.

Further, two limiting blocks are fixedly mounted on two sides of one opposite end of the extending plate in the same group, and limiting grooves matched with the limiting blocks in the same group are formed in the inner wall of the storage groove.

Through adopting above-mentioned technical scheme, when the extension board is located and accomodates the inslot and slide, the extension board is located same group's spacing inslot with the stopper and slides, through the cooperation of stopper and spacing groove, is favorable to improving the stability that the extension board removed, and helps avoiding the extension board to follow same group and accomodate the inslot and break away from.

Further, the installation frame is close to soft starter one section both sides equal fixed mounting has the inserted block, two the opposite one side of piece is seted up with same group inserted block assorted slot, and two the opposite one side inner wall of slot has all been seted up movable groove, all be equipped with locating component in the movable groove.

Through adopting above-mentioned technical scheme, the mounting frame is fixed through the slot block that inserted block and two piece inboard were seted up, and the follow-up dismantlement mounting frame of staff of being convenient for, and all is equipped with locating component between slot and the same group inserted block, can play the effect of fixed inserted block of location, is favorable to improving the stability of mounting frame installation.

Further, the locating component comprises locating rods which are slidably arranged in the movable grooves, locating springs are fixedly arranged between one opposite ends of the two locating rods and the inner wall of one side opposite to the movable grooves, and locating grooves matched with the locating rods on the same side are formed in one opposite sides of the two inserting blocks.

Through adopting above-mentioned technical scheme, when the inserted block moves in to the slot, the inserted block promotes the locating lever and slides to the movable inslot, and after inserted block and slot thoroughly block, the locating lever resumes the normal position under the elasticity effect with group's positioning spring, and makes the locating lever and the constant head tank block that the inserted block lateral wall was seted up, can play the effect of fixed inserted block of location, and then is favorable to improving the stability of installing the frame.

In summary, the application has the following beneficial technical effects:

(1) According to the application, through the arrangement of the heat dissipation assembly, the plurality of fan blades are driven to synchronously rotate by the speed reduction motor, and the outside cold air is guided into the soft starter by utilizing wind power generated by the fan blades, so that the heat in the soft starter is discharged through the heat dissipation hole on the other side, thereby playing a role in heat dissipation and being beneficial to improving the heat dissipation efficiency of equipment.

(2) According to the application, through the arrangement of the dustproof component, air enters the equipment after being filtered by the dustproof cotton, and the dustproof cotton can play a role in filtering dust in the air, so that the phenomenon that the dust enters the equipment along with the air to contact with electronic elements and damage the equipment is avoided.

(3) According to the application, through the device for installing the assembly and through the cooperation of the support plate, the traction spring and the extension plate, the equipment is convenient for workers to install, and the practicability of the equipment is improved.

Drawings

FIG. 1 is a schematic diagram of a first view angle of a soft start device of a frequency converter;

FIG. 2 is a schematic view of a second view of the present application;

FIG. 3 is a cross-sectional view of a support block of the present application;

FIG. 4 is an enlarged view of FIG. 3A in accordance with the present application;

FIG. 5 is a cross-sectional view of a mounting frame of the present application;

FIG. 6 is an enlarged view of B of FIG. 5 in accordance with the present application;

FIG. 7 is a cross-sectional view of a support plate according to the present application;

fig. 8 is an enlarged view of C of fig. 7 in accordance with the present application.

The reference numerals in the figures illustrate:

1. A soft starter; 2. an extension plate; 3. a support plate; 4. a mounting frame; 5. a slide block; 6. dust-proof cotton; 7. a mounting frame; 8. a support block; 9. inserting blocks; 10. a dust screen; 11. a positioning spring; 12. a movable groove; 13. a positioning rod; 14. a mounting plate; 15. a speed reducing motor; 16. a driving wheel disc; 17. a drive belt; 18. a rotating lever; 19. a driven wheel disc; 20. a fan blade; 21. a storage groove; 22. pulling the spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.

In the description of the present application, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

The application is described in further detail below with reference to fig. 1-8.

Referring to fig. 1-8, a soft start device for a frequency converter comprises a soft starter 1, wherein heat dissipation holes distributed in rectangular arrays are formed on two sides of the soft starter 1, dust screens 10 are arranged on two sides of the soft starter 1, two symmetrically distributed support blocks 8 are fixedly arranged on one side of the soft starter 1, the two support blocks 8 are distributed on two sides of the same group of dust screens 10, a mounting frame 4 is slidably arranged between the two support blocks 8, an air inlet hole distributed in rectangular arrays is formed on one side, far away from the soft starter 1, of the mounting frame 4, a heat dissipation assembly is arranged in the mounting frame 4 and comprises a mounting plate 14 fixedly arranged in the mounting frame 4, a speed reducing motor 15 is arranged on the side wall of the mounting plate 14, a driving wheel disc 16 is fixedly sleeved on an output shaft of the speed reducing motor 15, two symmetrically distributed rotating rods 18 are rotatably arranged on one side, close to the soft starter 1, of the mounting plate 14, and the side walls of the two rotating rods 18 are respectively sleeved with a driven wheel disc 19, the driving wheel disc 16 is provided with two wheel grooves, a transmission belt 17 is respectively sleeved between the two driven wheel discs 19 and the driving wheel disc 16, the side walls of the two rotating rods 18 and the side wall of the output shaft of the gear motor 15 are respectively sleeved with a fan blade 20, the driving wheel disc 16 is driven to rotate by the gear motor 15, the driving wheel disc 16 drives the transmission belt 17 to drive the two driven wheel discs 19 to synchronously rotate, the driven wheel discs 19 drive the rotating rods 18 in the same group to synchronously drive the fan blades 20 to rotate, wind power is generated by the rotation of the fan blades 20, the wind power enters the soft starter 1, the heat dissipation effect can be achieved, and the wind power can guide external cold air into the soft starter 1, so that the heat dissipation effect of equipment is improved.

The installation frame 4 is kept away from soft starter 1 one side and is equipped with dustproof subassembly, dustproof subassembly includes fixed mounting in installation frame 4 keeps away from the mounting bracket 7 of soft starter 1 one side, sliding mounting has dustproof cotton 6 in the mounting bracket 7, and dustproof cotton 6 both sides equal fixed mounting has slider 5, the spout with same group's slider 5 assorted is seted up to the mounting bracket 7 inboard, the installation frame 4 outside is through dustproof cotton 6's setting, can play the effect of dust in the filtration absorption air, help avoiding the dust to get into inside with the electronic component contact along with the air, and then the phenomenon that damages appears to the equipment, and dustproof cotton 6 is fixed through the spout block that slider 5 and mounting bracket 7 inboard were seted up, the staff of being convenient for dismantles and changes dustproof cotton 6, be favorable to keeping the dustproof effect of equipment.

The installation frame 4 is close to soft starter 1 one section both sides equal fixed mounting have inserted block 9, the slot with same group's inserted block 9 assorted is seted up to two opposite one side of piece 8, and movable groove 12 has all been seted up to two opposite one side inner walls of slot, all be equipped with locating component in the movable groove 12, locating component includes locating lever 13 of slidable mounting in movable groove 12, equal fixed mounting has locating spring 11 between two opposite one ends of locating lever 13 and the opposite one side inner wall of same group's movable groove 12, the constant head tank with same side locating lever 13 assorted is seted up to two opposite one sides of inserted block 9, installation frame 4 is fixed through the slot block 9 and the inboard slot block that sets up of piece 8, the follow-up dismantlement installation frame 4 of staff of being convenient for, when inserted block 9 moves in to the slot, inserted block 9 promotes locating lever 13 to slide in movable groove 12, after inserted block 9 and slot thorough block, locating lever 13 resumes the normal position under the elasticity effect of same group locating spring 11, and make locating lever 13 and the locating groove block 9 lateral wall set up, the effect of locating slot block that can be improved by fixed mounting frame 4, and stability is favorable to installation frame.

The installation component is equipped with in the back side of soft starter 1, the installation component includes two fixed mounting in the extension board 3 of soft starter 1 back side, storage tank 21 has all been seted up at two extension board 3 both ends, and equal slidable mounting has extension board 2 in storage tank 21, equal fixed mounting has two tractive springs 22 that are symmetrical distribution between the inner wall of one side that extension board 2 and storage tank 21 are opposite, equal fixed mounting has the spigot plate in the one end that two extension boards 2 are opposite of same group, the staff passes spigot plate and nut cooperation through the bolt with soft starter 1 in corresponding position, can play the effect of fixed soft starter 1, and staff's accessible pulling extension board 2 is located storage tank 21 is in same group and slides, play the effect of adjusting the distance between extension board 2 and the extension board 3, and then play the effect of adjusting the spigot plate position, the subsequent fixed soft starter 1 of staff of being convenient for, and extension board 2 is fixed under the elasticity effect of tractive spring 22.

Two opposite ends both sides of two extension boards 2 of same group all fixed mounting have the stopper, accomodate the groove 21 inner wall all offered with same group stopper assorted spacing groove, when extension board 2 is located and accomodates inslot 21 and slide, extension board 2 is located same group spacing inslot with the stopper and slides, through the cooperation of stopper and spacing groove, is favorable to improving the stability that extension board 2 removed, and helps avoiding extension board 2 to accomodate inslot 21 from same group and break away from.

The implementation principle of the embodiment of the application is as follows: when the device is used, the device is installed at the corresponding position by the staff through the installation component, heat can be generated when the device is used, wind power is generated through the heat dissipation component, and external cold air is led into the soft starter 1, then, the heat inside the soft starter 1 is discharged through the heat dissipation holes formed in the other side, the effect of cold and heat exchange can be achieved, the heat dissipation effect is further achieved, the heat dissipation efficiency of the device is improved, the dust prevention effect can be achieved through the arrangement of the dust screen 10 on the outer side of the heat dissipation holes, the air enters the installation frame 4 after being filtered through the dust prevention component, the dust prevention component can achieve the effect of filtering dust in the air, the dust is prevented from contacting with the electronic element along with the air entering the device, and the damage phenomenon of the device is further achieved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. The utility model provides a converter soft start device, includes soft starter (1), its characterized in that: the utility model discloses a soft starter, including soft starter (1) and installation frame (1), soft starter (1) both sides have all been seted up and have been rectangular array distributed's louvre, just soft starter (1) both sides all are equipped with dust screen (10), soft starter (1) one side fixed mounting has two to be symmetric distribution's piece (8), and two piece (8) distribute in same group dust screen (10) both sides, two slidable mounting has installing frame (4) between piece (8), just the inlet port that is rectangular array distribution has been seted up in soft starter (1) one side is kept away from to installing frame (4), be equipped with radiating component in installing frame (4), just soft starter (1) one side is kept away from to installing frame (4) is equipped with dustproof component, soft starter (1) back side is equipped with installation component.

2. A soft start device for a frequency converter according to claim 1, wherein: the heat dissipation assembly comprises a mounting plate (14) fixedly mounted in a mounting frame (4), a gear motor (15) is arranged on the side wall of the mounting plate (14), a driving wheel disc (16) is fixedly sleeved on an output shaft of the gear motor (15), two rotating rods (18) which are symmetrically distributed are rotatably mounted on one side of the mounting plate (14) close to a soft starter (1), driven wheel discs (19) are sleeved on the side wall of each rotating rod (18), two wheel grooves are formed in the driving wheel disc (16), a transmission belt (17) is sleeved between each driven wheel disc (19) and each driving wheel disc (16), and fan blades (20) are sleeved on the side wall of each rotating rod (18) and the side wall of the output shaft of the gear motor (15).

3. A soft start device for a frequency converter according to claim 1, wherein: dustproof subassembly includes mounting bracket (7) of soft starter (1) one side is kept away from in fixed mounting in mounting frame (4), sliding mounting has dustproof cotton (6) in mounting bracket (7), just dustproof cotton (6) both sides are equal fixed mounting has slider (5), the spout with group slider (5) assorted is seted up to mounting bracket (7) inboard.

4. A soft start device for a frequency converter according to claim 1, wherein: the installation component includes two fixed mounting in extension board (3) of soft starter (1) dorsal part, two accomodate groove (21) have all been seted up at extension board (3) both ends, just accomodate equal slidable mounting in groove (21) extension board (2), extension board (2) with the group equal fixed mounting has two traction springs (22) that are symmetric distribution between the inner wall of one side opposite to accomodate groove (21), with the group two equal fixed mounting of one end opposite to extension board (2) has the spigot plate.

5. The soft start device of a frequency converter of claim 4, wherein: limiting blocks are fixedly arranged on two sides of one end, opposite to the extending plates (2), of the same group, and limiting grooves matched with the limiting blocks are formed in the inner walls of the containing grooves (21).

6. A soft start device for a frequency converter according to claim 1, wherein: the installation frame (4) is close to soft starter (1) one section both sides equal fixed mounting have inserted block (9), two one side that the piece (8) is relative seted up with same group inserted block (9) assorted slot, and two the opposite side inner wall of slot has all seted up movable groove (12), all be equipped with locating component in movable groove (12).

7. The soft start device of a frequency converter of claim 6, wherein: the positioning assembly comprises positioning rods (13) which are slidably mounted in the movable grooves (12), positioning springs (11) are fixedly mounted between one opposite ends of the two positioning rods (13) and the inner wall of one side opposite to the movable grooves (12), and positioning grooves matched with the positioning rods (13) on the same side are formed in one opposite sides of the two inserting blocks (9).