CN214045041U

CN214045041U - Low-voltage reactive power compensator with intelligent heat dissipation function

Info

Publication number: CN214045041U
Application number: CN202023307691.XU
Authority: CN
Inventors: 颜旭杰
Original assignee: Jiangxi Shangke Electric Co ltd
Current assignee: Jiangxi Shangke Electric Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-24
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a low pressure reactive power compensator with intelligence heat dissipation function, including the box, box top and bottom all run through and have seted up the vent, box inner wall top is fixed with the guide arm, and sliding connection has the sliding sleeve on the guide arm, is fixed with reset spring between sliding sleeve and the box, and the sliding sleeve top is fixed with the motor, and motor output shaft has the fan, and fan one side is fixed with the outer pole, and the outer pole outside is fixed with the striking piece, is provided with the stand pipe in the box, and sliding connection has first branch and second branch respectively in stand pipe top and bottom, is fixed with first spring between first branch and the second branch, and first branch inboard is fixed with the movable block. The utility model discloses in, the motor drives the striking piece and rotates, and striking piece striking movable block, movable block shrink to the shifting chute in and extrude first spring, and first spring extrusion second branch drives the sliding sleeve and removes, carries out the motion that resets under reset spring's effect for the fan carries out even quick heat dissipation.

Description

Low-voltage reactive power compensator with intelligent heat dissipation function

Technical Field

The utility model relates to an electric power reactive compensation technical field especially relates to a low pressure reactive power compensator with intelligence heat dissipation function.

Background

In an electric power system, the quality of electric energy is closely related to the reactive power balance of the system, and the transmission of a large amount of reactive power in a circuit can cause the quality of electric energy to be sharply reduced, thereby causing adverse effects on users. In a 0.4kV low-voltage power grid, the power factor of the power grid is improved and the electric energy quality is improved through reactive compensation, a thyristor dynamic switching filter is controlled by an intelligent controller, and the power grid harmonic filtering, the reactive compensation and the electric energy quality detection are integrated, so that the power grid harmonic can be filtered to meet the national standard requirements, the reactive loss in the power grid is compensated in real time, the power factor is improved, and the line loss is reduced.

The compensation device needs to operate at a specific temperature not higher than 55 ℃, and a fan in a common compensation device is generally arranged, so that when the compensation device dissipates heat, the heat generated by the reactive compensation device is difficult to be rapidly and uniformly discharged, the overall heat dissipation effect is poor, and therefore, the problem is correspondingly improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the low pressure reactive power compensator with intelligence heat dissipation function that proposes.

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

a low-voltage reactive power compensation device with an intelligent heat dissipation function comprises a box body, wherein the top and the bottom of the box body are both provided with a vent, a ventilation screen plate is fixed in the vent through bolts, the top of the inner wall of the box body is fixed with a guide rod through bolts, the guide rod is connected with a sliding sleeve in a nested and sliding manner, the same reset spring is fixed between the sliding sleeve and the box body through bolts, the top of the sliding sleeve is fixed with a motor through bolts, an output shaft of the motor is connected with a fan, the fan is arranged below the ventilation screen plate, one side of the fan is fixed with an outer rod through bolts, the outer side of the outer rod is fixed with an impact block through bolts, the cross section of the impact block is arranged in a hemispherical shape, a guide pipe is arranged in the box body, the cross section of the guide pipe is arranged in a U shape, the top and the bottom of the guide pipe are respectively connected with a first supporting rod and a second supporting rod in a sliding manner, the same first spring is fixed between the first supporting rod and the second supporting rod through bolts, the first support rod is fixed with a moving block through a bolt, a moving groove is formed in the box body, the moving block is arranged in the moving groove, the second support rod is fixedly connected with the sliding sleeve through a bolt, and a control mechanism is arranged in the box body.

Preferably, the control mechanism is fixed with a temperature sensor and a control box on the inner wall of one side of the box body through bolts.

Preferably, the inner wall of the rear end of the box body is fixedly provided with a low-voltage compensation monomer module and a low-voltage silicon controlled switch through bolts, and the outer wall of one side of the box body is provided with a fling-cut switch and a display lamp.

Preferably, a plurality of ball grooves which are uniformly distributed are formed in the inner walls of the top and the bottom of the sliding sleeve, balls are movably connected in the ball grooves, and the surfaces of the balls are in parallel contact with the guide rod.

Preferably, an arc-shaped groove is formed in the inner side of the moving block.

Preferably, an embedded groove is formed in the inner side of the outer rod, an inner rod is arranged in the embedded groove, the same second spring is fixed between the inner rod and the inner wall of the embedded groove through a bolt, and the inner rod and the impact block are fixedly connected through a bolt.

Preferably, the limiting groove has all been seted up to embedded groove inner wall top and bottom, and sliding connection has the stopper in the limiting groove, and two stoppers correspond position fixed connection with interior pole respectively.

The utility model has the advantages that:

1. the device is provided with the motor, after the temperature reaches a certain value in the box, control mechanism starter motor, motor output shaft drives the fan and rotates, dispel the heat, drive outer pole and striking piece rotation simultaneously, striking piece striking movable block, the movable block is to the moving groove internal contraction, thereby extrude first spring, the other end extrusion second branch of first spring, drive the sliding sleeve then and remove along the guide arm, and carry out the motion that resets under reset spring's effect, thereby make the fan carry out even quick heat dissipation.

2. Be provided with ball and ball groove among the device, can make and carry out rolling friction between ball and the sliding sleeve to reduce the moving resistance of sliding sleeve, thereby make the process that the fan removed more smoothly and nimble, it is further, be provided with the arc wall, can make the striking piece strike the movable block along the arc wall, thereby can effectively improve the displacement range of movable block, thereby effectively improve the removal stroke of fan, thereby make the heat dissipation even quick more.

3. Be provided with interior pole among the device, can make the striking piece under the effect that receives the centrifugal force, move to the outside along the embedded groove to effectively increase the whole length of outer pole, thereby can effectively improve the moving range of movable block, thereby effectively improve the removal stroke of fan, thereby make the heat dissipation even quick more.

Drawings

Fig. 1 is a schematic view of an overall structure of a low-voltage reactive power compensation device with an intelligent heat dissipation function according to the present invention;

fig. 2 is an enlarged schematic view of a structure a of a low-voltage reactive power compensation device with an intelligent heat dissipation function according to the present invention;

fig. 3 is a schematic view of an internal structure of a sliding sleeve of a low-voltage reactive power compensation device with an intelligent heat dissipation function according to the present invention;

fig. 4 is a schematic structural view of a moving block of a low-voltage reactive power compensation device with an intelligent heat dissipation function according to the present invention;

fig. 5 is the utility model discloses embodiment 2 provides a low pressure reactive power compensator's outer pole internal structure schematic diagram with intelligence heat dissipation function.

In the figure: 1. a box body; 2. a guide bar; 3. a sliding sleeve; 4. a motor; 5. a fan; 6. an outer rod; 7. an impact block; 8. a ventilation screen plate; 9. a guide tube; 10. a moving block; 11. a moving groove; 12. a first spring; 13. a first support bar; 14. a second support bar; 15. a ball groove; 16. a ball bearing; 17. an arc-shaped slot; 18. a groove is embedded; 19. an inner rod; 20. a second spring; 21. a limiting groove; 22. a limiting block; 23. a return spring.

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.

Example 1

Referring to fig. 1-4, a low-voltage reactive power compensator with intelligent heat dissipation function comprises a box body 1, vents are respectively arranged at the top and the bottom of the box body 1 in a penetrating manner, a ventilation screen plate 8 is fixed in each vent through a bolt, a guide rod 2 is fixed at the top of the inner wall of the box body 1 through a bolt, a sliding sleeve 3 is connected on each guide rod 2 in a nesting and sliding manner, a same reset spring 23 is fixed between each sliding sleeve 3 and the box body 1 through a bolt, a motor 4 is fixed at the top of each sliding sleeve 3 through a bolt, an output shaft of each motor 4 is connected with a fan 5, the fan 5 is arranged below the ventilation screen plate 8, an outer rod 6 is fixed at one side of each fan 5 through a bolt, a striking block 7 is fixed at the outer side of each outer rod 6 through a bolt, the cross section of each striking block 7 is hemispherical, a guide pipe 9 is arranged in the box body 1, the cross section of each guide pipe 9 is arranged in a U shape, a first support rod 13 and a second support rod 14 are respectively connected at the top and the bottom of each guide pipe 9 in a sliding manner, the same first spring 12 is fixed between the first supporting rod 13 and the second supporting rod 14 through bolts, the moving block 10 is fixed on the inner side of the first supporting rod 13 through bolts, the moving groove 11 is formed in the box body 1, the moving block 10 is arranged in the moving groove 11, the inner side of the second supporting rod 14 is fixedly connected with the sliding sleeve 3 through bolts, and the control mechanism is arranged inside the box body 1.

The utility model discloses in, control mechanism has temperature sensor and control box through the bolt fastening at 1 one side inner wall of box, 1 rear end inner wall of box has low pressure compensation monomer module and low pressure silicon controlled rectifier switch through the bolt fastening, 1 one side outer wall of box is provided with on-off switch and display lamp, a plurality of evenly distributed's ball groove 15 has all been seted up to 3 tops of sliding sleeve and bottom inner wall, swing joint has ball 16 in the ball groove 15, ball 16 surfaces and 2 parallel contact of guide arm, arc wall 17 has been seted up to movable block 10 inboards.

The working principle is as follows: when the device is used, an external power supply is connected, when the temperature sensor detects that the temperature in the box body 1 reaches a certain value, a signal is transmitted to the control box, the control box receives and processes the signal and sends an instruction to the motor 4, the output shaft of the motor 4 drives the fan 5 to rotate and radiate heat, the outer rod 6 and the impact block 7 are driven to rotate at the same time, the impact block 7 impacts the moving block 10, the moving block 10 contracts towards the moving groove 11 so as to extrude the first spring 12, the other end of the first spring 12 extrudes the second supporting rod 14 so as to drive the sliding sleeve 3 to move along the guide rod 2 and reset under the action of the reset spring 23, so that the fan 5 uniformly and quickly radiates heat, rolling friction is carried out between the ball 16 and the sliding sleeve 3 so as to reduce the moving resistance of the sliding sleeve 3, so that the moving process of the fan 5 is smoother and more flexible, and further, be provided with the arc wall 17, can be so that striking block 7 strikes movable block 10 along arc wall 17 to can effectively improve the displacement range of movable block 10, thereby effectively improve fan 5's removal stroke, thereby make the heat dissipation even more quick.

Example 2

Referring to fig. 1-5, a low-voltage reactive power compensator with intelligent heat dissipation function, embedded groove 18 has been seted up to 6 inboards of outer pole, be provided with interior pole 19 in the embedded groove 18, there is same second spring 20 through the bolt fastening between interior pole 19 and the embedded groove 18 inner wall, through bolt fixed connection between interior pole 19 and the striking block 7, spacing groove 21 has all been seted up at embedded groove 18 inner wall top and bottom, sliding connection has stopper 22 in the spacing groove 21, two stopper 22 correspond position fixed connection with interior pole 19 respectively.

The working principle is as follows: the striking block 7 moves outwards along the embedded groove 18 under the action of centrifugal force, so that the overall length of the outer rod 2 is effectively increased, the moving range of the moving block 10 can be effectively increased, the moving stroke of the fan 5 is effectively increased, and heat dissipation is more uniform and rapid.

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

1. The low-voltage reactive power compensation device with the intelligent heat dissipation function comprises a box body (1), wherein ventilation openings are formed in the top and the bottom of the box body (1) in a penetrating mode, a ventilation screen plate (8) is fixed in each ventilation opening through a bolt, and is characterized in that a guide rod (2) is fixed on the top of the inner wall of the box body (1) through a bolt, a sliding sleeve (3) is connected to the guide rod (2) in a nesting and sliding mode, a same reset spring (23) is fixed between the sliding sleeve (3) and the box body (1) through a bolt, a motor (4) is fixed on the top of the sliding sleeve (3) through a bolt, an output shaft of the motor (4) is connected with a fan (5), the fan (5) is arranged below the ventilation screen plate (8), an outer rod (6) is fixed on one side of the fan (5) through a bolt, a collision block (, be provided with stand pipe (9) in box (1), stand pipe (9) cross-section sets up the U-shaped, there are first branch (13) and second branch (14) stand pipe (9) top and bottom sliding connection respectively, there is same first spring (12) through the bolt fastening between first branch (13) and second branch (14), there is movable block (10) first branch (13) inboard through the bolt fastening, movable groove (11) have been seted up in box (1), movable block (10) set up in movable groove (11), pass through bolt fixed connection between second branch (14) inboard and sliding sleeve (3), box (1) inside is provided with control mechanism.

2. The low-voltage reactive power compensation device with the intelligent heat dissipation function according to claim 1, wherein the control mechanism is fixed with a temperature sensor and a control box on the inner wall of one side of the box body (1) through bolts.

3. The low-voltage reactive power compensation device with the intelligent heat dissipation function according to claim 2, wherein the inner wall of the rear end of the box body (1) is fixed with a low-voltage compensation monomer module and a low-voltage silicon controlled switch through bolts, and the outer wall of one side of the box body (1) is provided with a fling-cut switch and a display lamp.

4. The low-voltage reactive power compensation device with the intelligent heat dissipation function according to claim 3, wherein a plurality of ball grooves (15) are uniformly distributed on the inner walls of the top and the bottom of the sliding sleeve (3), balls (16) are movably connected in the ball grooves (15), and the surfaces of the balls (16) are in parallel contact with the guide rod (2).

5. The low-voltage reactive power compensation device with the intelligent heat dissipation function according to claim 4, wherein an arc-shaped groove (17) is formed in the inner side of the moving block (10).

6. The low-voltage reactive power compensation device with the intelligent heat dissipation function according to claim 4 or 5, wherein an embedded groove (18) is formed in the inner side of the outer rod (6), an inner rod (19) is arranged in the embedded groove (18), the same second spring (20) is fixed between the inner rod (19) and the inner wall of the embedded groove (18) through a bolt, and the inner rod (19) is fixedly connected with the impact block (7) through a bolt.

7. The low-voltage reactive power compensation device with the intelligent heat dissipation function according to claim 6, wherein limiting grooves (21) are formed in the top and the bottom of the inner wall of the embedded groove (18), limiting blocks (22) are connected in the limiting grooves (21) in a sliding mode, and the two limiting blocks (22) are fixedly connected with the inner rod (19) in corresponding positions respectively.