CN211045208U - Thyristor regulator without overvoltage generation in capacitor switching - Google Patents

Abstract

The utility model relates to a power electronic heat dissipation technical field discloses a thyristor regulator that electric capacity switching does not have overvoltage and produces, including transformer housing and the transformer of fixed connection on the vertical inside wall of transformer housing one side, set up the ventilation hole on the vertical conchal wall of one side of transformer housing, install the filter screen on the ventilation hole, top and bottom symmetrical in the transformer housing are installed and are inhaled the pressure mechanism reciprocally, be connected with the rotation frame through reciprocating drive mechanism on the vertical inside wall of one side in the transformer housing, the rotation frame is close to the both sides of two reciprocal pressure mechanisms and is connected with two reciprocal pressure mechanisms through two connecting ropes respectively; the reciprocating pressure absorbing mechanism comprises two T-shaped chutes, two tension springs, two T-shaped slide blocks, two transmission rods and a rubber plate, wherein the two T-shaped chutes are symmetrically arranged on the shell of the transformer along the horizontal linear direction. The utility model discloses still avoided the dust to remain on the filter screen when carrying out the heat dissipation to the regulator.

Description

Thyristor regulator without overvoltage generation in capacitor switching

Technical Field

The utility model relates to a power electronics heat dissipation technical field especially relates to a thyristor regulator that electric capacity switching does not have overvoltage and produces.

Background

With the increasing of the economic development and the urbanization level, especially the establishment of new socialist rural construction and the emergence of rural policies such as 'household appliances going to the countryside', and the vigorous development of the processing industry in rural areas, the balance of power supply and demand in rural areas is tight, so that the voltage of user terminals in part of the areas is low in the peak period of power utilization, great troubles are brought to daily production and life of farmers, and the low-voltage problem which seriously restricts the economic development of local rural society is caused.

The thyristor voltage regulator reduces the working voltage of the compensating device to the low-voltage side through the multi-tap energy-taking transformer, the switching of the tap of the energy-taking transformer is controlled through the thyristor, the graded compensation of the load voltage is realized on the premise of ensuring the compensation precision, the problem of limitation of the withstand voltage of a power electronic device is solved, but the thyristor voltage regulator generates a large amount of heat in the application process, a cooling fan is generally installed on the regulator in the prior art, a filter screen is additionally installed to prevent dust from entering the regulator, but the dust on the filter screen of the cooling fan is accumulated more after the cooling fan works for a long time, the filter screen is blocked, and the heat dissipation effect of the regulator is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art dust on its filter screen of radiator fan long-time work back can be long-pending more, leads to the filter screen to be blockked up, influences regulator radiating effect's problem, and the thyristor regulator that an electric capacity switching does not have overvoltage and produces that provides.

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

a thyristor regulator without overvoltage generation in capacitor switching comprises a transformer shell and a transformer fixedly connected to the vertical inner side wall of one side of the transformer shell, wherein a vent hole is formed in the vertical shell wall of one side of the transformer shell, a filter screen is installed on the vent hole, reciprocating pressure absorbing mechanisms are symmetrically installed at the top and the bottom in the transformer shell, a rotating frame is connected to the vertical inner side wall of one side in the transformer shell through a reciprocating driving mechanism, and the two sides, close to the two reciprocating pressure absorbing mechanisms, of the rotating frame are respectively connected with the two reciprocating pressure absorbing mechanisms through two connecting ropes;

reciprocating suction pressure mechanism includes two T type spouts, two extension springs, two T type sliders, two transfer lines and a rubber slab, two T type spouts are seted up on transformer housing along horizontal straight line direction symmetry, two extension springs fixed connection respectively is on the cell wall that two T type spouts carried on the back mutually, just the other end of extension spring is connected with a corresponding T type slider, two T type slider sliding connection is in the T type spout that corresponds, rubber slab sliding connection is on transformer housing's inner shell wall, two the one end that the transfer line is close to the rubber slab articulates the center department at the rubber slab jointly, two the other end of transfer line is articulated mutually with the one end that T type spout tank bottom was kept away from to T type slider respectively, the one end that the connection rope is close to the rubber slab is connected with the center department that the transfer line one end was kept away from to the rubber slab.

Preferably, reciprocating drive mechanism includes a driving motor, a drive shaft, a helical gear, two semi-gear and a axis of rotation, driving motor fixed connection is on the vertical lateral wall of one side in the transformer shell, the one end of drive shaft is connected through the shaft coupling with driving motor's output, the fixed cup of helical gear is on the axle wall of drive shaft, the one end fixed connection of axis of rotation is on rotating the frame, two the semi-gear symmetry is fixed cup in opposite directions on the axle wall of axis of rotation, and two semi-gear meshes with the helical gear mutually.

Preferably, a rolling groove is formed in one end, away from the rubber plate, of the T-shaped sliding block, a ball is arranged in the rolling groove, a moving groove is formed in the groove wall of the T-shaped sliding groove, one end, away from the groove bottom of the rolling groove, of the ball penetrates through the notch of the rolling groove and extends towards the groove bottom of the moving groove, and the ball is connected to the groove bottom of the moving groove in a rolling mode.

Preferably, the rubber sheet is kept away from the one end symmetry fixedly connected with telescopic link of transformer, two the common fixed connection of one end of rubber sheet is kept away from to the telescopic link is on the inside wall of transformer shell.

Preferably, a sealing groove is formed in the vertical side wall of the rubber plate, a sealing strip is fixedly connected to the groove bottom of the sealing groove, and one end, far away from the groove bottom of the sealing groove, of the sealing strip penetrates through the groove opening of the sealing groove and is abutted to the inner side wall of the transformer shell.

Preferably, the opposite side walls of the two T-shaped sliding blocks are fixedly connected with soft pads.

Preferably, one side of the rotating frame, which is close to the transformer, is fixedly connected with a stabilizer bar, one end of the transformer, which is close to the rotating frame, is fixedly connected with a bearing, one end of the stabilizer bar, which is close to the bearing, extends into an inner ring of the bearing, and the stabilizer bar is fixedly connected with the inner ring of the bearing.

Preferably, the axes of the rotating frame, the rotating shaft and the stabilizing rod are overlapped.

Preferably, the reciprocating driving mechanism and the transformer are fixedly connected on the same side in the transformer shell.

Compared with the prior art, the utility model provides a thyristor regulator that electric capacity switching does not have overvoltage and produces possesses following beneficial effect:

1. the thyristor regulator without overvoltage generation in capacitor switching comprises a reciprocating pressure absorbing mechanism consisting of a T-shaped chute, a tension spring, a T-shaped slider, a transmission rod and rubber plates, a reciprocating driving mechanism drives a rotating frame to reciprocate in a forward and reverse rotation manner, two rubber plates are driven to correspondingly move through two connecting ropes, when the rotating frame rotates in a forward direction and winds the connecting ropes, the two rubber plates are driven to move in opposite directions, the T-shaped slider is driven to correspondingly move in the T-shaped chute through a hinged transmission rod when the two rubber plates move in opposite directions, the tension spring is stretched, the two rubber plates move in opposite directions to extrude air in a transformer shell, hot air in the transformer shell is sprayed out of a filter screen, dust adhered to the filter screen is reversely flushed down, the connecting rope wound on the rotating frame is loosened along with the reverse rotation of the rotating frame, and the stretched tension spring drives the rubber plates to reset through the T-shaped slider and the transmission rod, make transformer housing inner space increase, inhale the transformer cooling in the transformer housing with external cold air, the above-mentioned step of operation repeatedly has still avoided the dust to remain on the filter screen when carrying out the heat dissipation to the regulator.

2. According to the thyristor regulator without overvoltage generation in capacitor switching, the driving motor, the driving shaft, the helical gear, the half gears and the rotating shaft are arranged to form a reciprocating driving mechanism, the driving motor drives the helical gear to rotate through the driving shaft, and the helical gear is meshed with the two half gears, so that the two half gears meshed with the helical gear respectively drive the rotating shaft to do reciprocating forward and reverse rotation motion in sequence along with the rotation of the helical gear, and further drive the rotating frame to rotate in a reciprocating forward and reverse rotation mode.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses still avoided the dust to remain on the filter screen when carrying out the heat dissipation to the regulator.

Drawings

Fig. 1 is a schematic structural diagram of a thyristor regulator for capacitor switching without overvoltage generation according to the present invention;

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

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a schematic structural diagram of a reciprocating driving mechanism in a thyristor without overvoltage generation in capacitor switching according to the present invention.

In the figure: 1 transformer shell, 2 transformers, 3 ventilation holes, 4 filter screens, 5 reciprocating suction and compression mechanisms, 51T-shaped sliding chutes, 52 tension springs, 53T-shaped sliding blocks, 54 transmission rods, 55 rubber plates, 6 reciprocating driving mechanisms, 61 driving motors, 62 driving shafts, 63 helical gears, 64 half gears, 65 rotating shafts, 7 rotating frames, 8 connecting ropes, 9 rolling grooves, 10 balls, 11 telescopic rods, 12 sealing grooves, 13 sealing strips, 14 cushions, 15 stabilizing rods and 16 bearings.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a thyristor regulator without overvoltage generation in capacitor switching comprises a transformer housing 1 and a transformer 2 fixedly connected to the vertical inner side wall of one side of the transformer housing 1, a vent hole 3 is formed in the vertical housing wall of one side of the transformer housing 1, a filter screen 4 is mounted on the vent hole 3, reciprocating pressure absorbing mechanisms 5 are symmetrically mounted at the top and the bottom in the transformer housing 1, a rotating frame 7 is connected to the vertical inner side wall of one side in the transformer housing 1 through a reciprocating driving mechanism 6, and two sides of the rotating frame 7, which are close to the two reciprocating pressure absorbing mechanisms 5, are respectively connected with the two reciprocating pressure absorbing mechanisms 5 through two connecting ropes 8;

the reciprocating pressure absorbing mechanism 5 comprises two T-shaped chutes 51, two tension springs 52, two T-shaped sliders 53, two transmission rods 54 and a rubber plate 55, wherein the two T-shaped chutes 51 are symmetrically arranged on the transformer housing 1 along the horizontal straight line direction, the two tension springs 52 are respectively and fixedly connected to the groove walls of the two T-shaped chutes 51 which are opposite to each other, the other ends of the tension springs 52 are connected with the corresponding T-shaped slider 53, the two T-shaped sliders 53 are slidably connected in the corresponding T-shaped chutes 51, the rubber plate 55 is slidably connected on the inner shell wall of the transformer housing 1, one ends of the two transmission rods 54 close to the rubber plate 55 are jointly hinged at the center of the rubber plate 55, the other ends of the two transmission rods 54 are respectively hinged with one ends of the T-shaped sliders 53 far away from the bottom of the T-shaped chutes 51, one end of the connecting rope 8 close to the rubber plate 55 is connected with, the reciprocating driving mechanism 6 drives the rotating frame 7 to do reciprocating forward and backward rotation movement, the two rubber plates 55 are driven to do corresponding movement through the two connecting ropes 8, when the rotating frame 7 rotates forward and winds the connecting ropes 8, the two rubber plates 55 are driven to move in opposite directions, the two rubber plates 55 drive the T-shaped sliding block 53 to do corresponding movement in the T-shaped sliding groove 51 through the hinged transmission rod 54 when moving in opposite directions, the tension spring 52 is stretched, the two rubber plates 55 move in opposite directions to extrude the air in the transformer shell 1, the hot air in the transformer shell 1 is sprayed out of the filter screen 4, the dust adhered on the filter screen 4 is flushed down in opposite directions, the connecting ropes 8 wound on the rotating frame 7 are loosened along with the rotation of the rotating frame 7, the stretched tension spring 52 drives the rubber plates 55 to reset through the T-shaped sliding block 53 and the transmission rod 54, the space in the transformer shell 1 is enlarged, the external cold air is sucked into the transformer shell 1 to cool the transformer 2, the step is repeatedly operated, and dust is prevented from remaining on the filter screen 4 while the regulator is cooled.

The reciprocating driving mechanism 6 comprises a driving motor 61, a driving shaft 62, a helical gear 63, two half gears 64 and a rotating shaft 65, the driving motor 61 is fixedly connected to one vertical side wall in the transformer housing 1, one end of the driving shaft 62 is connected with the output end of the driving motor 61 through a coupler, the helical gear 63 is fixedly sleeved on the shaft wall of the driving shaft 62, one end of the rotating shaft 65 is fixedly connected to the rotating frame 7, the two half gears 63 are symmetrically and oppositely fixedly sleeved on the shaft wall of the rotating shaft 66, the half gear 63 is provided with a half tooth surface and a half smooth surface, the two half gears 64 are meshed with the helical gear 63, the driving motor 61 drives the helical gear 63 to rotate through the driving shaft 62, and as the helical gear 63 is meshed with the two half gears 64, the two half gears 63 meshed with the helical gear 63 respectively drive the rotating shaft 62 to do reciprocating forward and reverse rotation along with the rotation of, thereby driving the rotating frame 7 to rotate in a reciprocating forward and reverse manner.

The T-shaped sliding block 53 is far away from one end of the rubber plate 55 and is provided with a rolling groove 9, a ball 10 is arranged in the rolling groove 9, the groove wall of the T-shaped sliding groove 51 is provided with a moving groove, one end, far away from the groove bottom of the rolling groove 9, of the ball 10 penetrates through the notch of the rolling groove 9 and extends to the groove bottom of the moving groove, the ball 10 is connected to the groove bottom of the moving groove in a rolling mode, the ball 10 is driven to roll at the groove bottom of the moving groove when the T-shaped sliding block 53 moves, and therefore the T-shaped sliding block 53 rolls stably.

The one end symmetry fixedly connected with telescopic link 11 that transformer 2 was kept away from to rubber slab 55, the common fixed connection of the one end that two telescopic links 11 kept away from rubber slab 55 is on transformer housing 1's inside wall, because the motion of vertical direction can only be done to telescopic link 11 for more stability when rubber slab 55 atress moves.

The vertical side wall of the rubber plate 55 is provided with a sealing groove 12, the groove bottom of the sealing groove 12 is fixedly connected with a sealing strip 13, one end, far away from the groove bottom of the sealing groove 12, of the sealing strip 13 penetrates through the groove opening of the sealing groove 12 and abuts against the inner side wall of the transformer shell 1, and the air tightness between the rubber plate 55 and the inner wall of the transformer shell 1 is guaranteed through the sealing strip 13.

The opposite side walls of the two T-shaped sliding blocks 53 are fixedly connected with soft pads 14, so that the impact force of the T-shaped sliding blocks 53 on the T-shaped sliding grooves 51 is reduced.

One side of the rotating frame 7 close to the transformer 2 is fixedly connected with a stabilizer bar 15, one end of the transformer 2 close to the rotating frame 7 is fixedly connected with a bearing 16, one end of the stabilizer bar 15 close to the bearing 16 extends into an inner ring of the bearing 16, and the stabilizer bar 15 is fixedly connected with the inner ring of the bearing 16, when the rotating frame 7 rotates, the stabilizer bar 15 is driven to rotate in the bearing 16, so that the rotating frame 7 rotates stably.

The axes of the rotating frame 7, the rotating shaft 65, and the stabilizer bar 15 overlap.

The reciprocating drive mechanism 6 and the transformer 2 are fixedly connected on the same side in the transformer shell 1.

In the utility model, the driving motor 61 drives the helical gear 63 to rotate through the driving shaft 62, because the helical gear 63 is meshed with the two half gears 64, along with the rotation of the helical gear 64, the two half gears 63 meshed with the helical gear respectively drive the rotating shaft 62 to do reciprocating positive and negative rotation motion in sequence, further drive the rotating frame 7 to do reciprocating positive and negative rotation motion, further drive the two rubber plates 55 to do corresponding motion through the two connecting ropes 8, when the rotating frame 7 winds the connecting rope 8 in positive rotation, the two rubber plates 55 are driven to move in opposite directions, the two rubber plates 55 drive the T-shaped sliding block 53 to do corresponding motion in the T-shaped sliding groove 51 through the hinged transmission rod 54 when moving in opposite directions, and stretch the tension spring 52, the two rubber plates 55 move in opposite directions to extrude the air in the transformer shell 1, the hot air in the transformer shell 1 is sprayed out from the filter screen 4, and the dust adhered on the filter screen 4 is washed down in reverse direction, along with the rotation of the rotating frame 7, the connecting rope 8 wound on the rotating frame 7 is loosened, the stretched tension spring 52 drives the rubber plate 55 to reset through the T-shaped sliding block 53 and the transmission rod 54, so that the space in the transformer shell 1 is increased, outside cold air is sucked into the transformer shell 1 to cool the transformer 2, the steps are repeatedly carried out, and dust is prevented from remaining on the filter screen 4 while the regulator is cooled.

The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. A thyristor regulator without overvoltage generation in capacitor switching comprises a transformer shell (1) and a transformer (2) fixedly connected to the vertical inner side wall of one side of the transformer shell (1), and is characterized in that a vent hole (3) is formed in the vertical shell wall of one side of the transformer shell (1), a filter screen (4) is mounted on the vent hole (3), reciprocating pressure absorbing mechanisms (5) are symmetrically mounted at the top and the bottom in the transformer shell (1), a rotating frame (7) is connected to the vertical inner side wall of one side in the transformer shell (1) through a reciprocating driving mechanism (6), and two sides, close to the two reciprocating pressure absorbing mechanisms (5), of the rotating frame (7) are respectively connected with the two reciprocating pressure absorbing mechanisms (5) through two connecting ropes (8);

the reciprocating pressure absorbing mechanism (5) comprises two T-shaped chutes (51), two tension springs (52), two T-shaped sliders (53), two transmission rods (54) and a rubber plate (55), the two T-shaped chutes (51) are symmetrically arranged on the transformer shell (1) along the horizontal straight line direction, the two tension springs (52) are respectively and fixedly connected to the groove walls of the two T-shaped chutes (51) which are back to each other, the other ends of the tension springs (52) are connected with the corresponding T-shaped sliders (53), the two T-shaped sliders (53) are slidably connected in the corresponding T-shaped chutes (51), the rubber plate (55) is slidably connected to the inner shell wall of the transformer shell (1), one ends of the two transmission rods (54), which are close to the rubber plate (55), are hinged to the center of the rubber plate (55) together, the other ends of the two transmission rods (54) are respectively hinged to one ends, far away from the bottom of the T-shaped chutes (51), of the T-shaped sliders (53), one end of the connecting rope (8) close to the rubber plate (55) is connected with the center of one end of the rubber plate (55) far away from the transmission rod (54).

2. A capacitor-switched thyristor regulator without overvoltage generation as claimed in claim 1, it is characterized in that the reciprocating driving mechanism (6) comprises a driving motor (61), a driving shaft (62), a bevel gear (63), two half gears (64) and a rotating shaft (65), the driving motor (61) is fixedly connected to the vertical side wall at one side in the transformer shell (1), one end of the driving shaft (62) is connected with the output end of the driving motor (61) through a coupling, the bevel gear (63) is fixedly sleeved on the shaft wall of the driving shaft (62), one end of the rotating shaft (65) is fixedly connected to the rotating frame (7), the two half gears (64) are symmetrically and oppositely fixedly sleeved on the shaft wall of the rotating shaft (65), and the two half gears (64) are meshed with the bevel gear (63).

3. The thyristor regulator with no overvoltage generation for capacitor switching as claimed in claim 1, wherein the end of the T-shaped slider (53) away from the rubber plate (55) is provided with a rolling groove (9), a ball (10) is disposed in the rolling groove (9), the groove wall of the T-shaped sliding groove (51) is provided with a moving groove, the end of the ball (10) away from the groove bottom of the rolling groove (9) passes through the notch of the rolling groove (9) and extends towards the groove bottom of the moving groove, and the ball (10) is connected to the groove bottom of the moving groove in a rolling manner.

4. The thyristor regulator with capacitor switching and no overvoltage generation as claimed in claim 1, characterized in that the ends of the rubber plates (55) remote from the transformer (2) are symmetrically and fixedly connected with telescopic rods (11), and the ends of the two telescopic rods (11) remote from the rubber plates (55) are jointly and fixedly connected to the inner side wall of the transformer housing (1).

5. The thyristor regulator with no overvoltage generated in capacitive switching according to claim 1, wherein a sealing groove (12) is formed in a vertical sidewall of the rubber plate (55), a sealing strip (13) is fixedly connected to a bottom of the sealing groove (12), and an end of the sealing strip (13) far away from the bottom of the sealing groove (12) penetrates through a notch of the sealing groove (12) and abuts against an inner sidewall of the transformer housing (1).

6. The thyristor regulator of claim 1, wherein the opposing side walls of the two T-shaped sliders (53) are fixedly connected with soft pads (14).

7. The thyristor regulator with no overvoltage generation for capacitor switching according to claim 1, wherein a stabilizer bar (15) is fixedly connected to a side of the rotating frame (7) close to the transformer (2), a bearing (16) is fixedly connected to an end of the transformer (2) close to the rotating frame (7), an end of the stabilizer bar (15) close to the bearing (16) extends into an inner ring of the bearing (16), and the stabilizer bar (15) is fixedly connected to the inner ring of the bearing (16).

8. A capacitor-switched thyristor regulator without overvoltage generation according to claim 7, characterized in that the axes of the rotating frame (7), the rotating shaft (65) and the stabilizing rod (15) overlap.

9. A capacitor-switched thyristor regulator without overvoltage generation as claimed in claim 1, characterized in that the reciprocating drive (6) is fixedly connected to the same side of the transformer (2) in the transformer housing (1).

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