CN213367421U

CN213367421U - Low voltage ride through controller

Info

Publication number: CN213367421U
Application number: CN202022300781.XU
Authority: CN
Inventors: 张强; 叶纷飞
Original assignee: China Sinogy Zhejiang Engineering Co ltd
Current assignee: China Sinogy Zhejiang Engineering Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-04
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a low voltage ride through controller relates to the low voltage ride through field, the outer box of controller, its characterized in that: the controller inner box body is arranged on the inner wall of the bottom side of the controller outer box body, and four mounting lugs are fixedly mounted on one side of the controller inner box body. The utility model discloses rational in infrastructure, low-voltage passes through the controller in operation, temperature sensor can each regional temperature condition of feedback controller, servo motor rotates and drives the lead screw and rotates, the lead screw rotates and drives fan frame and remove, fan frame drives radiator fan through the installation crossbeam and removes to the higher position of temperature, and radiating rate is controlled to control radiator fan's rotational speed, discharge hot-air from the radiating hole bars, can pass through the calorifacient difference of different regional different parts in the controller according to the low-voltage and carry out intelligence heat dissipation, the heat-sinking capability is strong, can avoid the controller high shutdown of high temperature and cause wind power generation trouble.

Description

Low voltage ride through controller

Technical Field

The utility model relates to a low voltage ride through field, in particular to low voltage ride through controller.

Background

Low voltage ride through, low voltage transient capability, once called "low voltage ride through", defines: the small power generation system bears the power grid low voltage of a certain limit value within a certain time without running out, when the power grid fails, the wind power plant needs to be connected with the power grid for a period of time without disconnection, and even the wind power plant is required to be capable of providing reactive power in the process so as to support the recovery of the power grid voltage, namely low voltage ride through.

The low voltage ride through controller is frequently operated and has high operation power, so the low voltage ride through controller can generate a large amount of heat in the operation process, the existing low voltage ride through controller has poor heat dissipation capability, the high-temperature shutdown of the controller is easily caused to cause wind power generation faults, the low voltage ride through controller is generally installed in high-altitude wind power generation equipment, the controller needs to be disassembled and taken out for maintenance during maintenance, and the maintenance is very inconvenient, so the low voltage ride through controller is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low voltage ride through controller to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the low-voltage ride-through controller comprises a controller outer box body, wherein a controller inner box body is arranged on the inner wall of the bottom side of the controller outer box body, four mounting lugs are fixedly mounted on one side of the controller inner box body, one side, close to each other, of the two mounting lugs is rotatably mounted with a same lead screw, the other two sides, close to each other, of the two mounting lugs are fixedly mounted with a same track rod, a servo motor is fixedly mounted on the top side of one mounting lug, an output shaft of the servo motor penetrates through one of the mounting lugs and is fixedly connected with one end of the lead screw, a heat dissipation mechanism is arranged between the lead screw and the track rod, and pull-out parts are arranged on two sides, close to each other, of the controller inner box body and the controller outer box body.

Preferably, the heat dissipation mechanism comprises a fan frame, an installation beam and a plurality of heat dissipation fans, the fan frame is movably sleeved on the screw rod and the track rod, the fan frame is in threaded connection with the screw rod, two ends of the installation beam are respectively fixedly connected with inner walls of two sides of the fan frame, and the heat dissipation fans are all fixedly installed on one side of the installation beam.

Preferably, the pull-out part includes slip recess, sliding block and dwang, the slip recess is seted up on one side outer wall of box in the controller, sliding block slidable mounting be in the slip recess, the sliding block with slip recess size looks adaptation, the dwang with the sliding block with the equal swivelling joint in one side that the outer box of controller is close to each other.

Preferably, the bottom side of the controller outer box body is provided with an I-shaped groove, a sliding rod is arranged in the I-shaped groove in a sliding mode, the sliding rod is matched with the I-shaped groove in size, and the top side of the sliding rod is fixedly connected with the bottom side of the controller inner box body.

Preferably, a plurality of radiating hole grids are arranged on one side of the controller inner box body, and a controller main body is fixedly mounted on the inner wall of the bottom side of the controller inner box body.

Preferably, one side of the controller outer box body is rotatably provided with a closed box door, and the top side of the controller inner box body is fixedly provided with a pull-out handle.

Preferably, one side of box is provided with a plurality of temperature sensor in the controller, temperature sensor with servo motor and the equal electric connection of radiator fan.

The utility model discloses a technological effect and advantage:

1. the utility model discloses rational in infrastructure, low-voltage ride through controller is in operation, temperature sensor can the temperature condition of each region of feedback controller, servo motor rotates and drives the lead screw rotation, the lead screw rotates and drives fan frame and remove, fan frame drives radiator fan through the installation crossbeam and removes to the higher position of temperature, and control radiator fan's rotational speed controls radiating rate, discharge hot-air from the radiating hole bars, can pass through the controller according to the low-voltage in different regions different parts heat-generating difference carry out intelligent heat dissipation, the heat-sinking capability is strong, can avoid the controller high temperature shut down and cause wind power generation trouble;

2. this use is novel, when needs carry out the maintenance of low-voltage ride through controller, the handle is pulled out in the pulling, the pulling handle removes and drives the interior box of controller and remove, the box removes and drives the slide bar and removes along worker's shape groove in the controller, the box removes and drives the sliding block and slides along the slip recess in the simultaneous control ware, the slide block removes and drives the dwang and rotate to box carries out the side direction support and is spacing in to the controller, need not to take out after dismantling the controller and overhauls, it is very convenient to overhaul.

Drawings

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

FIG. 2 is a schematic view of another perspective structure of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a controller outer case; 2. a controller inner box body; 3. mounting a bump; 4. a screw rod; 5. a fan frame; 6. mounting a cross beam; 7. a heat radiation fan; 8. a servo motor; 9. a temperature sensor; 10. a track rod; 11. a slide bar; 12. a sliding groove; 13. a slider; 14. rotating the rod; 15. a heat dissipation hole grid; 16. a controller main body; 17. pulling out the handle; 18. the door is closed.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a low voltage passes through controller as shown in fig. 1-4, including outer box 1 of controller, be provided with box 2 in the controller on the bottom side inner wall of outer box 1 of controller, one side fixed mounting of box 2 has four installation lug 3 in the controller, wherein one side that two installation lug 3 are close to each other is rotated and is installed same lead screw 4, one side fixed mounting that two other installation lug 3 are close to each other has same track pole 10, the top side fixed mounting of one of them installation lug 3 has servo motor 8, servo motor 8's output shaft has run through one of them installation lug 3 and with lead screw 4's one end fixed connection, be provided with heat dissipation mechanism between lead screw 4 and the track pole 10, box 2 all is provided with the part of pulling out with the both sides that outer box 1 is close to each other in the controller.

Further, in the above scheme, the heat dissipation mechanism includes a fan frame 5, an installation beam 6 and a plurality of heat dissipation fans 7, the fan frame 5 is movably sleeved on the screw rod 4 and the rail rod 10, the fan frame 5 is in threaded connection with the screw rod 4, two ends of the installation beam 6 are respectively fixedly connected with inner walls of two sides of the fan frame 5, the plurality of heat dissipation fans 7 are fixedly installed on one side of the installation beam 6, and the controller can be cooled through the arrangement of the heat dissipation mechanism.

Further, in above-mentioned scheme, the pull-out part includes sliding groove 12, sliding block 13 and dwang 14, sliding groove 12 is seted up on the outer wall of one side of box 2 in the controller, sliding block 13 slidable mounting is in sliding groove 12, sliding block 13 and the big or small looks adaptation of sliding groove 12, dwang 14 all rotates with one side that sliding block 13 and the outer box 1 of controller are close to each other and is connected, through the setting of pull-out part, can pull out box 2 in the controller, convenient to overhaul.

Further, in the above scheme, an i-shaped groove is formed in the bottom side of the controller outer box body 1, a sliding rod 11 is slidably mounted in the i-shaped groove, the sliding rod 11 is matched with the i-shaped groove in size, the top side of the sliding rod 11 is fixedly connected with the bottom side of the controller inner box body 2, and the controller inner box body 2 can be supported when being pulled out through the arrangement of the sliding rod 11.

Further, in the above scheme, one side of the controller inner box 2 is provided with a plurality of heat dissipation hole grids 15, a controller main body 16 is fixedly mounted on the inner wall of the bottom side of the controller inner box 2, and hot air can be drawn out from the heat dissipation hole grids 15 through the arrangement of the heat dissipation hole grids 15.

Further, in the above scheme, one side of the controller outer box 1 is rotatably provided with a closed box door 18, the top side of the controller inner box 2 is fixedly provided with a pull-out handle 17, and the controller inner box 2 can be conveniently pulled out during maintenance through the arrangement of the pull-out handle 17.

Further, in the above scheme, a plurality of temperature sensors 9 are arranged on one side of the controller inner box body 2, the temperature sensors 9 are electrically connected with the servo motor 8 and the cooling fan 7, and the temperature of each area of the device can be monitored in real time through the arrangement of the temperature sensors 9.

This practical theory of operation:

the type of the servo motor 8 is: 80st-m 02430. when the low voltage ride through controller is in operation, the temperature sensor 9 can feed back the temperature condition of each area of the controller, the servo motor 8 rotates to drive the screw rod 4 to rotate, the screw rod 4 rotates to drive the fan frame 5 to move, the fan frame 5 drives the heat radiation fan 7 to move to a position with higher temperature through the installation beam 6, and controls the rotating speed of the heat radiation fan 7 to control the heat radiation speed, so that hot air is discharged from the heat radiation hole grid 15, intelligent heat radiation can be carried out according to the heat generation difference of different parts in different areas of the low voltage ride through controller, the heat radiation capability is strong, the wind power generation fault caused by shutdown of the controller with overhigh temperature can be avoided, when the low voltage ride through controller needs to be overhauled, the closed box door 18 is rotated to be opened, the pull-out handle 17 is pulled, the handle 17 is pulled out to drive the box body 2 in the controller to move, the box body 2, simultaneously box 2 removes in the controller and drives sliding block 13 and slide along sliding groove 12, and sliding block 13 removes and drives dwang 14 and rotate to box 2 carries out the side direction to the controller and supports and spacing, need not to take out the controller after dismantling and overhauls, and it is very convenient to overhaul.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Low voltage ride through controller, including outer box (1) of controller, its characterized in that: the inner wall of the bottom side of the controller outer box body (1) is provided with a controller inner box body (2), one side of the controller inner box body (2) is fixedly provided with four mounting lugs (3), wherein one side of the two mounting convex blocks (3) close to each other is rotatably provided with the same screw rod (4), one side of the other two mounting convex blocks (3) close to each other is fixedly provided with the same track rod (10), a servo motor (8) is fixedly arranged on the top side of one of the mounting convex blocks (3), an output shaft of the servo motor (8) penetrates through one of the mounting lugs (3) and is fixedly connected with one end of the screw rod (4), a heat dissipation mechanism is arranged between the screw rod (4) and the track rod (10), and pull-out parts are arranged on two sides of the controller inner box body (2) and the controller outer box body (1) which are close to each other.

2. The low voltage ride through controller of claim 1, wherein: the heat dissipation mechanism comprises a fan frame (5), an installation beam (6) and a plurality of heat dissipation fans (7), wherein the fan frame (5) is movably sleeved on the screw rod (4) and the track rod (10), the fan frame (5) is in threaded connection with the screw rod (4), two ends of the installation beam (6) are fixedly connected with inner walls of two sides of the fan frame (5) respectively, and the heat dissipation fans (7) are fixedly installed on one side of the installation beam (6).

3. The low voltage ride through controller of claim 1, wherein: the pull-out component comprises a sliding groove (12), a sliding block (13) and a rotating rod (14), the sliding groove (12) is formed in the outer wall of one side of the box body (2) in the controller, the sliding block (13) is installed in the sliding groove (12) in a sliding mode, the sliding block (13) is matched with the sliding groove (12) in size, and the rotating rod (14) is connected with the sliding block (13) and the outer box body (1) of the controller in a rotating mode in one side close to each other.

4. The low voltage ride through controller of claim 1, wherein: the bottom side of the controller outer box body (1) is provided with an I-shaped groove, a sliding rod (11) is arranged in the I-shaped groove in a sliding mode, the sliding rod (11) is matched with the I-shaped groove in size, and the top side of the sliding rod (11) is fixedly connected with the bottom side of the controller inner box body (2).

5. The low voltage ride through controller of claim 1, wherein: a plurality of radiating hole grids (15) are arranged on one side of the controller inner box body (2), and a controller main body (16) is fixedly mounted on the inner wall of the bottom side of the controller inner box body (2).

6. The low voltage ride through controller of claim 1, wherein: one side of the controller outer box body (1) is rotatably provided with a closed box door (18), and the top side of the controller inner box body (2) is fixedly provided with a pull-out handle (17).

7. The low voltage ride through controller of claim 1, wherein: one side of box (2) is provided with a plurality of temperature sensor (9) in the controller, temperature sensor (9) with servo motor (8) and radiator fan (7) equal electric connection.