CN213214035U

CN213214035U - Control protection device for flexible direct current transmission

Info

Publication number: CN213214035U
Application number: CN202022099675.XU
Authority: CN
Inventors: 年飞
Original assignee: Jiangsu Wan'an Electric Power Technology Co ltd
Current assignee: Jiangsu Wan'an Electric Power Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-14
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a control protection device of flexible direct current transmission, including the box, the fixed case in inside of box has the framed board, and the standing groove has been seted up at the top of framed board, and the inside of standing groove is provided with the movable frame, and the top of box is provided with the case lid, and the bottom fixed mounting of case lid has the stopper, and the spacing groove has been seted up at the top of box and the position that corresponds the stopper. Above-mentioned scheme, frame-shaped plate, standing groove, movable frame, case lid, stopper, spacing groove, dead lever, fixed block, fixed plate, recess, carriage release lever, fixed slot, movable plate and spring reach the effect of convenient to detach control protection device, make things convenient for the staff to maintain control protection device, through the upwards pulling case lid of handle, the case lid drives the dead lever motion, the dead lever breaks away from the movable frame, just can take off movable frame and control protection device, thereby maintain or change control protection device, dismantle simply and need not to borrow the instrument, and labour saving and time saving.

Description

Control protection device for flexible direct current transmission

Technical Field

The utility model relates to a flexible direct current transmission of electricity technical field, more specifically says, the utility model relates to a control protection device of flexible direct current transmission of electricity.

Background

The flexible direct current transmission technology is one of the key points and difficulties in the research field of high-power electronics at home and abroad at present, and the flexible direct current transmission technology adopts power electronic devices such as high-power IGBTs and the like, can realize independent control of active power and reactive power, does not need power grid commutation voltage support, can supply power to a passive system, is inverted in direct current direction and unchanged in current and voltage polarity, does not need communication between converters, is favorable for forming a parallel multi-terminal direct current transmission system which can conveniently control tide and has higher reliability, has wide application prospect, and is in flexible direct current transmission work, and is necessary to be matched with a control protection device for use.

The control protection device who has been used for flexible direct current transmission of electricity is under long-time work, can produce a large amount of heats, and the control protection device who has been used for flexible direct current transmission of electricity now does not set up corresponding heat abstractor, very easily cause control protection device's damage under long-time high temperature, thereby influence going on of whole flexible direct current transmission of electricity work, and can take place the incident, and the control protection device who has been used for flexible direct current transmission of electricity now is difficult to dismantle, control protection device need carry out regular maintenance, thereby increase control protection equipment's life, and when breaking down in the electric current work, be difficult to dismantle and can bring very big puzzlement for the staff, thereby influence the work efficiency of whole device, the practicality is poor.

Therefore, a control protection device for flexible direct current transmission, which has a heat dissipation function, is easy to disassemble and has good practicability, is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a control protection device of flexible direct current transmission of electricity, through the radiator-grid, when control protection device uses for a long time and produces a large amount of heats, the heat is absorbed through the radiator-grid, open compressor work simultaneously, in sending the refrigerant liquid to first copper pipe and second copper pipe in proper order through the liquid feed pipe, and then dispel the heat to the radiator-grid, radiator-fan can accelerate the air flow in the box, it is faster to make first heating panel and second heating panel heat dissipation, the shutter can increase the air flow in the box, thereby can effectually solve inconvenient situation that leads to influencing whole flexible direct current transmission of electricity work of control protection device heat dissipation and take place the incident, in order 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: a control protection device for flexible direct current transmission comprises a box body, wherein a frame-shaped plate is arranged in a fixed table in the box body, a placement groove is formed in the top of the frame-shaped plate, a movable frame is arranged in the placement groove, a box cover is arranged at the top of the box body, a limiting block is fixedly arranged at the bottom of the box cover, a limiting groove is formed in the top of the box body and corresponds to the limiting block, a fixed rod is fixedly arranged at the bottom of the box cover, a fixed block is fixedly arranged at one side of the box cover, a fixed plate is fixedly arranged at the bottom of the fixed block, a groove is formed in one side of the fixed plate, a movable rod is movably arranged in the groove, a fixed groove is formed in one side of the box body and corresponds to the position of the movable rod, a movable plate is fixedly arranged, the utility model discloses a solar water heater, including box, heat dissipation net, first heating panel and second heating panel, the inside fixed mounting of box has the heat dissipation net, the bottom fixed mounting of heat dissipation net has first heating panel and second heating panel, the bottom of first heating panel is provided with first copper pipe, the bottom of second heating panel is provided with the second copper pipe, one side fixed mounting of box has the compressor, the output fixedly connected with liquid sending pipe of compressor, the input fixedly connected with feed liquor pipe of compressor, the inside fixed mounting of box has the mount, the outer fixed surface of mount installs radiator fan, one side of box is provided with the shutter.

The top fixed mounting of case lid has the handle, the quantity of handle is two sets of, and two sets of the handle distributes the both sides at case lid top.

The number of the fixed blocks, the fixed plates, the grooves, the moving rods, the fixed grooves, the moving plates and the springs is two, and the fixed blocks, the fixed plates, the grooves, the moving rods, the fixed grooves, the moving plates and the springs are all arranged on two sides of the box body.

The first heating panel with be provided with the interval between the second heating panel, the length value of first heating panel is greater than the length value of second heating panel, the bottom of first heating panel is provided with two first circle chambeies, the bottom of second heating panel is provided with two second circle chambeies, two the inside in first circle chamber all is provided with first copper pipe, two the inside in second circle chamber all is provided with the second copper pipe.

The liquid feeding pipe is communicated with the first copper pipe and the second copper pipe which are positioned on the same straight line, and the two first copper pipes far away from the compressor are communicated through a communicating pipe.

The bottom of the frame-shaped plate is provided with a plurality of through holes which are uniformly distributed at the bottom of the frame-shaped plate.

The utility model discloses a technological effect and advantage:

1. in the above scheme, the heat dissipation net, the first heat dissipation plate, the second heat dissipation plate, the first copper pipe, the second copper pipe, the compressor, the liquid feeding pipe, the communicating pipe, the fixing frame, the heat dissipation fan and the shutter achieve the effect of cooling and heat dissipation control protection device, when the control protection device is used for a long time to generate a large amount of heat, the heat is absorbed through the heat dissipation net, simultaneously, the compressor is started to work, the refrigerant liquid is sequentially sent into the first copper pipe and the second copper pipe through the liquid sending pipe, further, the heat dissipation net is dissipated, the heat dissipation fan can accelerate the air flow in the box body, so that the first heat dissipation plate and the second heat dissipation plate dissipate heat more quickly, the shutter can increase the air flow in the box body, therefore, the situations that the whole flexible direct-current transmission work is influenced and safety accidents occur due to the fact that the control protection device is inconvenient to dissipate heat can be effectively solved;

2. in the above scheme, the frame-shaped plate, the standing groove, the movable frame, the case lid, the stopper, the spacing groove, the dead lever, the fixed block, the fixed plate, a groove, the carriage release lever, the fixed slot, movable plate and spring reach the effect of convenient to detach control protection device, make things convenient for the staff to maintain control protection device, through the upwards pulling case lid of handle, the case lid drives the dead lever motion, the dead lever breaks away from the movable frame, just can take off movable frame and control protection device, thereby maintain or change control protection device, whole control protection device's dismantlement process need not use any instrument, and labour saving and time saving.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the heat dissipation plate structure of the present invention.

Fig. 4 is a schematic diagram of the overall external structure of the present invention.

Fig. 5 is a schematic structural diagram of the frame-shaped plate of the present invention.

The reference signs are:

1. a box body; 2. a frame-shaped plate; 3. a placement groove; 4. a movable frame; 5. a box cover; 6. a limiting block; 7. a limiting groove; 8. fixing the rod; 9. a fixed block; 10. a fixing plate; 11. a groove; 12. a travel bar; 13. fixing grooves; 14. moving the plate; 15. a spring; 16. a heat-dissipating web; 17. a first heat dissipation plate; 18. a second heat dissipation plate; 19. a first copper tube; 20. a second copper tube; 21. a compressor; 22. a liquid delivery pipe; 23. a liquid inlet pipe; 24. a communicating pipe; 25. a fixed mount; 26. a heat radiation fan; 27. a handle; 28. a blind window; 29. and a through hole.

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 embodiment of the utility model provides a control protection device for flexible direct current transmission as shown in attached figures 1 to 5, which comprises a box body 1, wherein the internal fixed table of the box body 1 is provided with a frame-shaped plate 2, the top of the frame-shaped plate 2 is provided with a placing groove 3, the interior of the placing groove 3 is provided with a movable frame 4, the top of the box body 1 is provided with a box cover 5, the bottom of the box cover 5 is fixedly provided with a stopper 6, the top of the box body 1 is provided with a limiting groove 7 corresponding to the stopper 6, the bottom of the box cover 5 is fixedly provided with a fixed rod 8, one side of the box cover 5 is fixedly provided with a fixed block 9, the bottom of the fixed block 9 is fixedly provided with a fixed plate 10, one side of the fixed plate 10 is provided with a groove 11, the internal movable mounting of the groove 11 is provided with a movable rod 12, one, the outer surface of the moving rod 12 is sleeved with a spring 15, a heat dissipation net 16 is fixedly installed inside the box body 1, a first heat dissipation plate 17 and a second heat dissipation plate 18 are fixedly installed at the bottom of the heat dissipation net 16, a first copper pipe 19 is arranged at the bottom of the first heat dissipation plate 17, a second copper pipe 20 is arranged at the bottom of the second heat dissipation plate 18, a compressor 21 is fixedly installed on one side of the box body 1, a liquid feeding pipe 22 is fixedly connected to the output end of the compressor 21, a liquid feeding pipe 23 is fixedly connected to the input end of the compressor 21, a fixing frame 25 is fixedly installed inside the box body 1, a heat dissipation fan 26 is fixedly installed on the outer surface of the fixing;

wherein, the quantity of stopper 6 and spacing groove 7 is two sets of, and two sets of stoppers 6 and spacing groove 7 all set up the both sides in case lid 5 bottom, and the both sides fixed mounting of case lid 5 bottom has two sets of dead levers 8, and the top fixed mounting of case lid 5 has handle 27, and the quantity of handle 27 is two sets of, and two sets of handle 27 distribute in the both sides at case lid 5 top.

As shown in fig. 2, the number of the fixing blocks 9, the fixing plates 10, the grooves 11, the moving rods 12, the fixing grooves 13, the moving plates 14, and the springs 15 is two, and the two sets of the fixing blocks 9, the fixing plates 10, the grooves 11, the moving rods 12, the fixing grooves 13, the moving plates 14, and the springs 15 are disposed at both sides of the case 1.

Specifically, mutually supporting of fixed block 9, fixed plate 10, recess 11, carriage release lever 12, fixed slot 13, movable plate 14 and spring 15 plays convenient to detach control protection device's effect, makes things convenient for the staff to maintain control protection device, dismantles process labour saving and time saving, has alleviateed staff's work burden, brings very big facility for the staff.

As shown in fig. 3, a space is provided between the first heat dissipating plate 17 and the second heat dissipating plate 18, the length of the first heat dissipating plate 17 is greater than the length of the second heat dissipating plate 18, two first circular cavities are provided at the bottom of the first heat dissipating plate 17, two second circular cavities are provided at the bottom of the second heat dissipating plate 18, first copper pipes 19 are provided inside the two first circular cavities, second copper pipes 20 are provided inside the two second circular cavities, the liquid feeding pipe 22 is communicated with the first copper pipes 19 and the second copper pipes 20 on the same straight line, the liquid feeding pipe 23 is communicated with the first copper pipes 19 and the second copper pipes 20 on the same straight line, and the two first copper pipes 19 far away from the compressor 21 are communicated through the communicating pipe 24.

Specifically, the heat dissipation net 16 absorbs heat, and simultaneously, the compressor 21 is started to operate, so that the refrigerant fluid is sequentially sent to the first copper pipe 19 and the second copper pipe 20 through the liquid sending pipe 22, and then the heat dissipation net 16 is dissipated.

As shown in fig. 5, the bottom of the frame-shaped plate 2 is provided with a plurality of through holes 29, and the plurality of through holes 29 are uniformly distributed at the bottom of the frame-shaped plate 2.

Specifically, the through holes 29 perform a heat dissipation function, and are convenient to be matched with the heat dissipation net 16 arranged at the bottom to improve the heat dissipation effect.

The working process of the utility model is as follows:

in the above solution, the heat dissipation net 16, the first heat dissipation plate 17, the second heat dissipation plate 18, the first copper pipe 19, the second copper pipe 20, the compressor 21, the liquid feeding pipe 22, the liquid feeding pipe 23, the communicating pipe 24, the fixing frame 25, the heat dissipation fan 26 and the louver 28 achieve the effect of cooling the heat dissipation control protection device, when the control protection device is used for a long time to generate a large amount of heat, the heat can be absorbed through the heat dissipation net 16, the compressor 21 is simultaneously turned on to work, the refrigerant liquid is sequentially fed into the first copper pipe 19 and the second copper pipe 20 through the liquid feeding pipe 22, and then the heat dissipation net 16 is dissipated, the heat dissipation fan 26 is turned on, the air flow in the box body 1 can be accelerated through the heat dissipation fan 26, so that the heat dissipation of the first heat dissipation plate 17 and the second heat dissipation plate 18 is faster, the air flow in the box body 1 can be increased through the louver 28, Movable frame 4, case lid 5, stopper 6, spacing groove 7, dead lever 8, fixed block 9, fixed plate 10, recess 11, carriage release lever 12, fixed slot 13, movable plate 14 and spring 15 reach the effect of convenient to detach control protection device, make things convenient for the staff to maintain control protection device, bottom through movable frame 3 and the bottom of standing groove 3 inner wall contaction each other, the bottom of case lid 5 and the top of box 1 contaction each other, when needs are dismantled, through rotating movable plate 14, thereby break away from carriage release lever 12 from fixed slot 13, then upwards stimulate case lid 5 through handle 27, case lid 5 drives the motion of dead lever 8, make dead lever 8 break away from movable frame 4, just can take off movable frame 4 and control protection device, thereby maintain or change control protection device.

In the scheme, the frame-shaped plate 2, the placing groove 3, the movable frame 4, the box cover 5, the limiting block 6, the limiting groove 7, the fixed rod 8, the fixed block 9, the fixed plate 10, the groove 11, the movable rod 12, the fixed groove 13 and the movable plate 14, spring 15, radiator-grid 16, first heating panel 17, second heating panel 18, first copper pipe 19, second copper pipe 20, compressor 21, liquid delivery pipe 22, feed liquor pipe 23, communicating pipe 24, mount 25,

radiator fan

26 and 28 cooperation uses, the damage that control protection device caused under long-time high temperature has been avoided, influence going on of whole flexible direct current transmission work, the incident takes place, difficult dismantlement, influence the work efficiency of integrated device, the poor shortcoming of practicality, it can dispel the heat to have guaranteed that control protection device, convenient to detach maintains or changes, and improve the advantage of integrated device work efficiency.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The control protection device for flexible direct current transmission comprises a box body (1) and is characterized in that a frame-shaped plate (2) is arranged in a fixed table in the box body (1), a placement groove (3) is formed in the top of the frame-shaped plate (2), a movable frame (4) is arranged in the placement groove (3), a box cover (5) is arranged at the top of the box body (1), a limiting block (6) is fixedly arranged at the bottom of the box cover (5), a limiting groove (7) is formed in the top of the box body (1) and corresponds to the position of the limiting block (6), a fixing rod (8) is fixedly arranged at the bottom of the box cover (5), a fixed block (9) is fixedly arranged at one side of the box cover (5), a fixed plate (10) is fixedly arranged at the bottom of the fixed block (9), and a groove (11) is formed in one side, the movable mounting of the interior of the groove (11) is provided with a moving rod (12), a fixed groove (13) is formed in one side of the box body (1) and corresponds to the position of the moving rod (12), a moving plate (14) is fixedly mounted at one end of the moving rod (12), a spring (15) is sleeved on the outer surface of the moving rod (12), a radiating net (16) is fixedly mounted in the box body (1), a first radiating plate (17) and a second radiating plate (18) are fixedly mounted at the bottom of the radiating net (16), a first copper pipe (19) is arranged at the bottom of the first radiating plate (17), a second copper pipe (20) is arranged at the bottom of the second radiating plate (18), a compressor (21) is fixedly mounted at one side of the box body (1), a liquid feeding pipe (22) is fixedly connected to the output end of the compressor (21), and a liquid feeding pipe (23) is fixedly connected to the input end, the inside fixed mounting of box (1) has mount (25), the surface fixed mounting of mount (25) has radiator fan (26), one side of box (1) is provided with shutter (28).

2. The control protection device for flexible direct current transmission according to claim 1, wherein the number of the limiting blocks (6) and the limiting grooves (7) is two, the two sets of the limiting blocks (6) and the limiting grooves (7) are arranged on two sides of the bottom of the box cover (5), and two sets of fixing rods (8) are fixedly arranged on two sides of the bottom of the box cover (5).

3. The control and protection device for flexible direct current transmission according to claim 1, characterized in that handles (27) are fixedly mounted on the top of the box cover (5), the number of the handles (27) is two, and the two sets of the handles (27) are distributed on two sides of the top of the box cover (5).

4. The control and protection device for flexible direct current transmission according to claim 1, characterized in that the number of the fixed blocks (9), the fixed plates (10), the grooves (11), the moving rods (12), the fixed grooves (13), the moving plates (14) and the springs (15) is two, and the two fixed blocks (9), the fixed plates (10), the grooves (11), the moving rods (12), the fixed grooves (13), the moving plates (14) and the springs (15) are arranged on two sides of the box body (1).

5. The control protection device for flexible direct current transmission according to claim 1, wherein a space is arranged between the first heat dissipation plate (17) and the second heat dissipation plate (18), the length of the first heat dissipation plate (17) is greater than that of the second heat dissipation plate (18), two first circular cavities are arranged at the bottom of the first heat dissipation plate (17), two second circular cavities are arranged at the bottom of the second heat dissipation plate (18), a first copper pipe (19) is arranged inside each of the two first circular cavities, and a second copper pipe (20) is arranged inside each of the two second circular cavities.

6. The control and protection device for flexible direct current transmission according to claim 1, wherein the liquid feeding pipe (22) is communicated with the first copper pipe (19) and the second copper pipe (20) which are positioned on the same straight line, the liquid feeding pipe (23) is communicated with the first copper pipe (19) and the second copper pipe (20) which are positioned on the same straight line, and two first copper pipes (19) far away from the compressor (21) are communicated through a communicating pipe (24).

7. The control and protection device for flexible direct current transmission according to claim 1, wherein the bottom of the frame-shaped plate (2) is provided with a plurality of through holes (29), and the plurality of through holes (29) are uniformly distributed at the bottom of the frame-shaped plate (2).