CN215646191U

CN215646191U - First harmonic elimination protection device

Info

Publication number: CN215646191U
Application number: CN202122216960.XU
Authority: CN
Inventors: 段赛赛; 孟灵浩
Original assignee: Baoding Kongyuan Electric Technology Co ltd
Current assignee: Baoding Kongyuan Electric Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-25
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a primary harmonic elimination protection device, which comprises a bottom plate and a working box, wherein the working box is fixedly arranged at the upper end of the bottom plate, a cavity is arranged inside the working box, harmonic elimination equipment is fixedly arranged in the cavity of the working box, a plurality of groups of heat dissipation holes are formed in the working box, and a sealing cover is arranged on the outer sides of the plurality of groups of heat dissipation holes through bolts; and a monitoring mechanism for monitoring the working state of the harmonic elimination equipment and a heat dissipation auxiliary mechanism for assisting heat dissipation are arranged in the working box. The utility model can monitor the running state at any time and has good heat dissipation effect.

Description

First harmonic elimination protection device

Technical Field

The utility model relates to the technical field of harmonic elimination equipment, in particular to a first harmonic elimination protection device.

Background

The harmonic elimination device is characterized in that an active filter component is connected in series in a power grid circuit between a power supply and nonlinear equipment, and the active filter component generates corresponding harmonic counteracting current according to current in the power grid circuit, so that harmonic in the power grid circuit is counteracted and eliminated, harmonic pollution is eliminated, a power system is operated safely, stably and economically, and the harmonic elimination device has positive significance for improving power supply quality and ensuring safe and economic operation of the power system. The existing harmonic elimination equipment is found in the using process, a large amount of heat can be generated in the using process, the heat is difficult to be distributed out in time, serious safety accidents are caused due to the fact that excessive heat is easily gathered in the harmonic elimination equipment, and the safety and the practicability are poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a primary harmonic elimination protection device with good heat dissipation effect.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.

The utility model provides a protection device is eliminated to first harmonic, includes bottom plate and work box, work box fixed mounting is in the upper end of bottom plate, and the inside of work box is provided with the cavity, and harmonic elimination equipment fixed mounting is provided with the multiunit louvre on the work box in the cavity of work box, and sealed lid passes through the bolt and installs the outside at the multiunit louvre, be provided with monitoring mechanism and the heat dissipation complementary unit who is used for assisting the heat dissipation of monitoring harmonic elimination equipment operating condition in the work box.

The monitoring mechanism comprises a common lead screw, a first motor, a sliding block, a rotating shaft and a first shaft, the common lead screw is rotatably installed on the upper portion of the working box, the left end of the common lead screw is connected with the output end of the first motor, the first motor is fixedly installed at the left end of the working box, the sliding block is slidably installed at the upper end of a cavity of the working box left and right, the sliding block is screwed with the common lead screw, the micro motor is fixedly installed at the lower end of the sliding block, the upper end of the rotating shaft is connected with the output end of the micro motor, a connecting plate is arranged at the lower end of the rotating shaft, the support plate is fixedly installed at the lower end of the connecting plate, the first shaft is rotatably installed on the support plate, the camera device is fixedly installed on the first shaft, the output end of the driving motor is connected with the left end of the first shaft, and the driving motor is fixedly installed on the support plate.

The heat dissipation auxiliary mechanism comprises a support shaft, a gear, a rack, a support plate, a sliding block and a reciprocating lead screw, wherein the support shaft is rotatably installed on a work box, the gear is fixedly installed on the support shaft, the gear is meshed with the rack, the rack is fixedly installed at the upper end of the sliding block, the sliding block is slidably installed on the work box left and right, the sliding block is spirally installed with the reciprocating lead screw, the reciprocating lead screw is rotatably installed on the work box, the left end of the reciprocating lead screw is connected with the output end of a driving device, the support plate is fixedly installed at the upper end of the support shaft, a fan is arranged on the support plate, and the fan, a micro motor, a driving motor and the driving device are all connected with an external controller through signal lines.

Above-mentioned protection device is eliminated to first harmonic still is provided with temperature sensor, temperature display appearance and signal line on the work box, and temperature sensor fixed mounting is on the work box in the cavity of work box, and temperature display appearance fixed mounting is connected through the signal line between temperature sensor and the temperature display appearance.

Due to the adoption of the technical scheme, the technical progress of the utility model is as follows.

According to the utility model, heat generated in the operation process of the harmonic elimination equipment is discharged out of the working box through the plurality of heat dissipation holes by the heat dissipation auxiliary mechanism, the driving device drives the reciprocating screw rod to rotate, the rotating reciprocating screw rod enables the sliding block to move left and right, the sliding block drives the rack to move left and right, the rack drives the gear to rotate left and right, the gear drives the supporting shaft to rotate left and right, the supporting shaft drives the supporting plate and the fan to rotate left and right, and the heat in the cavity of the working box is sufficiently discharged through the plurality of heat dissipation holes in the rotation process of the fan, so that the heat dissipation effect of the equipment is improved.

Drawings

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

FIG. 2 is a schematic structural view of the connection of a reciprocating screw rod, a sliding block, a rack and the like;

FIG. 3 is a schematic structural diagram of the connection of a common screw rod, a slide block, a rotating shaft and the like;

FIG. 4 is a schematic view of the support shaft, gears and structure;

wherein: 1. a base plate; 2. a work box; 3. heat dissipation holes; 4. a sealing cover; 5. a common screw rod; 6. a first motor; 7. a slider; 8. a rotating shaft; 9. a first shaft; 10. a support shaft; 11. a gear; 12. a rack; 13. a slider; 14. a reciprocating screw rod; 15. a support plate; 16. a temperature display instrument; 17. a signal line; 18. a cover plate; 19. a bolt; 20. an illuminating lamp; 21. a first stopper; 22. a second limiting block; 23. a reinforcing plate; 24. a base; 25. and a dust cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a protection device is eliminated to first harmonic, as shown in fig. 1 to 4, includes bottom plate 1 and work box 2, and work box 2 fixed mounting is in the upper end of bottom plate 1, and the inside of work box 2 is provided with the cavity, and harmonic elimination equipment fixed mounting is in the cavity of work box 2, is provided with multiunit louvre 3 on the work box 2, and sealed lid 4 passes through the bolt and installs the outside at multiunit louvre 3.

The working box is internally provided with a monitoring mechanism for monitoring the working state of the harmonic elimination equipment and a heat dissipation auxiliary mechanism for assisting heat dissipation.

The structure of the monitoring mechanism is shown in fig. 1 and fig. 3, and comprises a common screw rod 5, a first motor 6 and a slide block 7, the axis of rotation 8, No. one axle 9, ordinary lead screw 5 rotates the upper portion of installing at work box 2, the left end of ordinary lead screw 5 is connected with the output of first motor 6, first motor 6 fixed mounting is at the left end of work box 2, slider 7 horizontal slidable mounting is in the upper end of 2 cavities of work box,

slider

7 and 5 spiral-fittings of ordinary lead screw, micro motor fixed mounting is at the lower extreme of slider 7, the upper end of axis of rotation 8 is connected with micro motor's output, the lower extreme of axis of rotation 8 is provided with the connecting plate, the lower extreme fixed mounting of connecting plate has the extension board, No. one axle 9 rotates and installs on the extension board, camera device fixed mounting is on No. one axle 9, driving motor's output and No. one axle 9's left end are connected, driving motor fixed mounting is on the extension board.

The structure of the heat dissipation auxiliary mechanism is as shown in fig. 1, fig. 2 and fig. 4, and comprises a support shaft 10, a gear 11, a rack 12, a support plate 15, a sliding block 13 and a reciprocating screw rod 14, wherein the support shaft 10 is rotatably installed on the work box 2, the gear 11 is fixedly installed on the support shaft 10, the gear 11 is meshed with the rack 12, the rack 12 is fixedly installed at the upper end of the sliding block 13, the sliding block 13 is slidably installed on the work box 2 from left to right, the sliding block 13 is in threaded connection with the reciprocating screw rod 14, the reciprocating screw rod 14 is rotatably installed on the work box 2, the left end of the reciprocating screw rod 14 is connected with the output end of a driving device, the support plate 15 is fixedly installed at the upper end of the support shaft 10, and the support plate 15 is provided with a fan.

In the utility model, the fan, the micro motor, the driving motor and the driving device are all connected with an external controller through signal wires.

In order to prevent the over-travel movement of the sliding block 7 and the sliding block 13, the utility model is also provided with a first limiting block 21 and a second limiting block 22, and the first limiting block 21 and the second limiting block 22 are respectively and fixedly arranged on the reciprocating screw rod 14 and the common screw rod 5.

The working box 2 is also provided with a temperature sensor, a temperature display instrument 16 and a signal wire 17, the temperature sensor is fixedly arranged in the cavity of the working box 2, the temperature display instrument 16 is fixedly arranged on the working box 2, and the temperature sensor 15 and the temperature display instrument 16 are connected through the signal wire 17. Through setting up temperature sensor and temperature display appearance, made things convenient for the monitoring to 2 indoor temperatures of work box.

In order to facilitate the overhaul and maintenance of the indoor equipment in the cavity of the working box 2, the working box 2 is provided with an overhaul port, and a cover plate 18 is arranged on the outer side of the overhaul port through a bolt 19. Make brighter in the cavity of work box 2, make things convenient for camera device monitoring work box interior harmonic elimination equipment's running state, the fixed mounting light 20 in the cavity of work box 2. The firmness of the first motor 6 and the bottom plate 1 in the using process is improved, the reinforcing plate 23 and the base 24 are further arranged, the reinforcing plate 23 is fixedly arranged between the first motor 6 and the outer wall of the working box, and the base 24 is fixedly arranged at the lower end of the bottom plate 1. In order to reduce dust falling onto the work box 2, a dust cap 25 is fixedly mounted on the upper end of the work box 2.

When the harmonic eliminating device works, a plurality of groups of sealing covers 4 are opened, then the fan is opened, the fan enables heat generated by the harmonic eliminating device in the operation process to be discharged out of the working box 2 through a plurality of groups of heat dissipation holes 3, then the driving device is opened, the driving device drives the reciprocating screw rod 14 to rotate, the rotating reciprocating screw rod 14 enables the sliding block 13 to move left and right, the sliding block 13 drives the rack 12 to move left and right, the rack 12 drives the gear 11 to rotate left and right, the gear 11 drives the supporting shaft 10 to rotate left and right, the supporting shaft 10 drives the supporting plate 15 and the fan to rotate left and right, and the fan enables heat in the cavity of the working box 2 to be sufficiently discharged through the plurality of groups of heat dissipation holes 3 in the rotation process.

In the operation process of the equipment, the first motor 6 is opened, the first motor 6 drives the common screw rod 5 to rotate, the common screw rod 5 drives the sliding block 7 to move left and right, the sliding block 7 can drive the camera device to move, and meanwhile, the rotating angle of the camera device can be controlled through the micro motor, so that the operation state of the equipment in the cavity of the working box 2 is monitored.

Claims

1. A primary harmonic elimination protection device is characterized by comprising a bottom plate (1) and a working box (2), wherein the working box (2) is fixedly arranged at the upper end of the bottom plate (1), a cavity is arranged inside the working box (2), harmonic elimination equipment is fixedly arranged in the cavity of the working box (2), a plurality of groups of heat dissipation holes (3) are formed in the working box (2), and a sealing cover (4) is arranged on the outer sides of the plurality of groups of heat dissipation holes (3) through bolts; and a monitoring mechanism for monitoring the working state of the harmonic elimination equipment and a heat dissipation auxiliary mechanism for assisting heat dissipation are arranged in the working box.

2. The first harmonic elimination protection device according to claim 1, wherein the monitoring mechanism comprises a common screw rod (5), a first motor (6), a sliding block (7), a rotating shaft (8) and a first shaft (9), the common screw rod (5) is rotatably mounted on the upper portion of the working box (2), the left end of the common screw rod (5) is connected with the output end of the first motor (6), the first motor (6) is fixedly mounted on the left end of the working box (2), the sliding block (7) is slidably mounted on the upper end of the cavity of the working box (2) from left to right, the sliding block (7) is screwed with the common screw rod (5), the micro motor is fixedly mounted on the lower end of the sliding block (7), the upper end of the rotating shaft (8) is connected with the output end of the micro motor, the lower end of the rotating shaft (8) is provided with a connecting plate, the lower end of the connecting plate is fixedly mounted with a supporting plate, the first shaft (9) is rotatably mounted on the supporting plate, the camera device is fixedly arranged on the first shaft (9), the output end of the driving motor is connected with the left end of the first shaft (9), and the driving motor is fixedly arranged on the support plate.

3. A first harmonic cancellation protection arrangement according to claim 2, the heat dissipation auxiliary mechanism comprises a supporting shaft (10), a gear (11), a rack (12), a supporting plate (15), a sliding block (13) and a reciprocating screw rod (14), wherein the supporting shaft (10) is rotatably arranged on the work box (2), the gear (11) is fixedly arranged on the supporting shaft (10), the gear (11) is meshed with the rack (12), the rack (12) is fixedly arranged at the upper end of the sliding block (13), the sliding block (13) is arranged on the work box (2) in a left-right sliding manner, the sliding block (13) and the reciprocating screw rod (14) are in threaded installation, the reciprocating screw rod (14) is rotatably installed on the working box (2), the left end of the reciprocating screw rod (14) is connected with the output end of the driving device, the support plate (15) is fixedly installed at the upper end of the support shaft (10), and the support plate (15) is provided with a fan; the fan, the micro motor, the driving motor and the driving device are all connected with an external controller through signal lines.

4. The first harmonic elimination protection device according to claim 1, wherein the work box (2) is further provided with a temperature sensor, a temperature display instrument (16) and a signal wire (17), the temperature sensor is fixedly installed in the cavity of the work box (2), the temperature display instrument (16) is fixedly installed on the work box (2), and the temperature sensor and the temperature display instrument (16) are connected through the signal wire (17).

5. A first harmonic elimination protection device according to claim 1, characterized in that the work box (2) is provided with an access opening, and the cover plate (18) is mounted on the outside of the access opening by means of bolts (19).