CN213783948U

CN213783948U - Overvoltage protection type electrical control cabinet of hydraulic generator butterfly valve

Info

Publication number: CN213783948U
Application number: CN202022797648.XU
Authority: CN
Inventors: 于骥; 杨峰; 孙谋; 赵海波; 申健亮; 兰晓梅
Original assignee: Wuhan Haizhuo Intelligent Control Electric Co ltd
Current assignee: Wuhan Haizhuo Intelligent Control Electric Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-07-23
Anticipated expiration: 2030-11-28

Abstract

The utility model discloses an overvoltage protection type electrical control cabinet of a butterfly valve of a hydraulic generator, which comprises a cabinet body, wherein a fixed plate is fixedly arranged in the cabinet body, a base is fixedly arranged above the fixed plate, an electrical control device is fixedly arranged above the base, a cylinder is fixedly arranged in the top end of the cabinet body, a telescopic rod is movably connected in the cylinder, a telescopic plate is fixedly connected below the telescopic rod, a fixed frame is fixedly arranged below the telescopic plate, a motor is fixedly arranged in the fixed frame, through an arranged temperature control switch, when the temperature in the cabinet body is overhigh, the temperature control switch can drive the motor to run, the motor drives a rotating shaft and a fan to rotate, then the interior can be radiated and cooled, thereby achieving the effect of protecting an internal circuit, when the internal temperature is stable, the temperature control switch can close the motor, and the cost is saved, the structure saves a large amount of cost and improves the practicability of the device.

Description

Overvoltage protection type electrical control cabinet of hydraulic generator butterfly valve

Technical Field

The utility model relates to a hydroelectric generator technical field especially relates to an overvoltage protection type electrical control cabinet of hydraulic generator butterfly valve.

Background

The butterfly valve is mainly used for controlling water inlet of the water turbine in the water turbine generator set, and can cut off water flow when the water turbine fails, so that the safety of the generator set is ensured, and the accident expansion is prevented; when the unit is overhauled, the water flow can be cut off through the butterfly valve; when the unit is shut down for a long time, water flow is cut off, water leakage of the guide vane is reduced, and the guide vane is prevented from being corroded. At present, the butterfly valve is generally operated on site or remotely controlled through a control system, the control system takes a PLC as a core, a touch screen is adopted for operation and display, and the control system is installed in an electrical control cabinet.

In the actual use process, the electrical control cabinet is in an unattended or unattended state and is installed indoors, in order to dissipate heat, the fan is generally in a non-stop state, even if the temperature in the control cabinet is not high, the fan is in operation, electric power resources are wasted, the use cost is increased, the temperature in the control cabinet cannot be visually expressed, the detection of operators is inconvenient, and certain influence is brought to people in the use process. Therefore, an overvoltage protection type electrical control cabinet of a butterfly valve of a hydraulic generator is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an overvoltage protection type electrical control cabinet of hydraulic generator butterfly valve, when the internal portion high temperature of cabinet, temperature detect switch can control the motor and start, and the motor drives the fan and operates, just then can make inside rapid cooling, reaches the effect of protection internal circuit then.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an overvoltage protection type electrical control cabinet of hydraulic generator butterfly valve, includes the cabinet body, the inside fixed mounting of the cabinet body has the fixed plate, the top fixed mounting of fixed plate has the base, the top fixed mounting of base has electrical control device, the inside fixed mounting on cabinet body top has the cylinder, the inside swing joint of cylinder has the telescopic link, the below fixedly connected with expansion plate of telescopic link, the below fixed mounting of expansion plate has fixed frame, the inside fixed mounting of fixed frame has the motor, the below of motor is rotated and is connected with the pivot, and the pivot runs through fixed frame and extend to the external world, the bottom fixed mounting of pivot has the fan, the inside wall fixed mounting of the cabinet body has temperature detect switch.

As a preferred technical scheme of the utility model, electrical control device's lateral wall fixedly connected with heat conduction silicone grease, the lateral wall fixedly connected with fin of heat conduction silicone grease, and the fin runs through the back lateral wall of the cabinet body and extends to the external world, preceding vent has been seted up on the positive surface of the cabinet body, the back vent has been seted up on the rear surface of the cabinet body.

As an optimal technical scheme of the utility model, the bottom fixed mounting of the cabinet body has the supporting leg, and the supporting leg is provided with four altogether, and the symmetric distribution is in the four corners department of cabinet body bottom.

As a preferred technical scheme of the utility model, the inside equal fixed mounting of preceding vent and back vent has the filter screen.

As an optimized technical scheme of the utility model, the through-hole has been seted up to the inside of fixed plate, and the through-hole is provided with a plurality ofly.

As an optimal technical scheme of the utility model, the top swing joint of the cabinet body has the guard plate, the inside threaded connection of guard plate has the screw, the top fixed mounting of guard plate both sides has the pull rod.

As a preferred technical scheme of the utility model, the inside fixed mounting of fixed frame has the bearing, the pivot is passed through the bearing and is connected with the inner wall rotation of fixed frame.

As an optimized technical scheme of the utility model, the positive surface swing joint of the cabinet body has the cabinet door, fixed mounting has the door handle on the cabinet door.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the temperature control switch, when the temperature in the cabinet body is too high, the temperature control switch can enable the motor to operate, the motor drives the rotating shaft and the fan to rotate, and then the inside can be cooled, so that the effect of protecting an internal circuit is achieved, when the internal temperature is stable, the temperature control switch can close the motor, the effect of saving cost is achieved, a large amount of cost is saved due to the arrangement of the structure, and the practicability of the device is improved;

2. when electrical control device produced heat, through the heat conduction silicone grease that sets up, can absorb the heat that electrical control device gave out, the fin that the rethread set up can absorb the heat of gathering on the heat conduction silicone grease to give out the heat external world, the setting of this structure can last to dispel the heat to the device, has reduced use cost then.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a rear view of the present invention.

Wherein: 1. a cabinet body; 2. a fixing plate; 3. a base; 4. an electrical control device; 5. a cylinder; 6. a telescopic rod; 7. a retractable plate; 8. a fixing frame; 9. a motor; 10. a rotating shaft; 11. a fan; 12. a temperature control switch; 13. heat-conducting silicone grease; 14. a heat sink; 15. a front vent; 16. a rear vent; 17. supporting legs; 18. a filter screen; 19. a through hole; 20. a protection plate; 21. screws; 22. a pull rod; 23. a bearing; 24. a cabinet door; 25. a door handle.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-5, an overvoltage protection type electrical control cabinet for a butterfly valve of a hydro-generator comprises a cabinet body 1, a fixed plate 2 is fixedly installed inside the cabinet body 1, a base 3 is fixedly installed above the fixed plate 2, an electrical control device 4 is fixedly installed above the base 3, an air cylinder 5 is fixedly installed inside the top end of the cabinet body 1, an expansion link 6 is movably connected inside the air cylinder 5, an expansion plate 7 is fixedly connected below the expansion link 6, a fixed frame 8 is fixedly installed below the expansion plate 7, a motor 9 is fixedly installed inside the fixed frame 8, a rotating shaft 10 is rotatably connected below the motor 9, the rotating shaft 10 penetrates through the fixed frame 8 and extends to the outside, a fan 11 is fixedly installed at the bottom of the rotating shaft 10, and a temperature control switch 12 is fixedly installed on the inner side wall of the cabinet body 1;

when the temperature of the cabinet body 1 inside is too high, temperature detect switch 12 can open automatically, then make cylinder 5 and motor 9 start, after motor 9 starts, can drive pivot 10 and fan 11 and rotate, then just can dispel the heat to the cabinet body 1 inside, after cylinder 5 starts, can promote telescopic link 6 and expansion plate 7 and carry out perpendicular downstream, then make the distance between fan 11 and the electrical control device 4 shorten, make the radiating effect reach the best, when inside temperature is stable, temperature detect switch 12 can self-closing, make motor 9 also follow and close, thereby cost-saving effect has been reached, the setting of this structure, a large amount of costs have been practiced thrift, the practicality of device has been improved.

In other embodiments, the outer side wall of the electrical control device 4 is fixedly connected with heat-conducting silicone grease 13, the outer side wall of the heat-conducting silicone grease 13 is fixedly connected with a heat sink 14, the heat sink 14 penetrates through the rear side wall of the cabinet body 1 and extends to the outside, the front surface of the cabinet body 1 is provided with a front vent 15, and the rear surface of the cabinet body 1 is provided with a rear vent 16;

when electrical control device 4 produced heat, heat conduction silicone grease 13 through setting up, can absorb the heat that electrical control device 4 gave out, fin 14 that the rethread set up, can absorb the heat of gathering on heat conduction silicone grease 13, and give off the heat to the external world, the setting up of this structure can last dispel the heat to the device, use cost has then been reduced, through preceding vent 15 and the back vent 16 that sets up, can make inside air circulate, then radiating effect has been accelerated.

In other embodiments, the bottom of the cabinet body 1 is fixedly provided with four supporting legs 17, and the four supporting legs 17 are symmetrically distributed at four corners of the bottom of the cabinet body 1; through the supporting legs 17 that set up, can play the fixed effect of support to cabinet body 1.

In other embodiments, the filter screens 18 are fixedly installed inside the front ventilation opening 15 and the rear ventilation opening 16; through the filter screen 18, it is able to prevent external dust from entering the cabinet 1 from the ventilation opening, and then damaging the internal components.

In other embodiments, the fixing plate 2 is provided with a plurality of through holes 19 inside; through the through hole 19, the air flow inside the cabinet 1 can circulate.

In other embodiments, the top end of the cabinet body 1 is movably connected with a protection plate 20, the interior of the protection plate 20 is in threaded connection with screws 21, and the top ends of the two sides of the protection plate 20 are fixedly provided with pull rods 22; through the screw 21 that sets up, can dismantle guard plate 20, make things convenient for the staff to overhaul interior component then, through the pull rod 22 that sets up, can make things convenient for the staff to extract guard plate 20.

In other embodiments, a bearing 23 is fixedly installed inside the fixed frame 8, and the rotating shaft 10 is rotatably connected with the inner wall of the fixed frame 8 through the bearing 23; through the bearing 23 that sets up, can play spacing fixed effect to pivot 10, simultaneously, because the characteristic of bearing 23 self, it is more smooth and easy when making pivot 10 rotate, prevent that the card from appearing and pause, influence the normal operating of device.

In other embodiments, the front surface of the cabinet body 1 is movably connected with a cabinet door 24, the cabinet door 24 is fixedly provided with a door handle 25, internal elements can be protected through the arranged cabinet door 24, and the cabinet door 24 can be opened and closed conveniently by a worker through the arranged door handle 25.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an overvoltage protection type electrical control cabinet of hydraulic generator butterfly valve, includes the cabinet body (1), its characterized in that: a fixed plate (2) is fixedly arranged in the cabinet body (1), a base (3) is fixedly arranged above the fixed plate (2), an electric control device (4) is fixedly arranged above the base (3), an air cylinder (5) is fixedly arranged inside the top end of the cabinet body (1), the interior of the cylinder (5) is movably connected with a telescopic rod (6), a telescopic plate (7) is fixedly connected below the telescopic rod (6), a fixed frame (8) is fixedly arranged below the expansion plate (7), a motor (9) is fixedly arranged inside the fixed frame (8), a rotating shaft (10) is rotatably connected below the motor (9), the rotating shaft (10) penetrates through the fixed frame (8) and extends to the outside, the bottom of the rotating shaft (10) is fixedly provided with a fan (11), the inside wall fixed mounting of the cabinet body (1) has temperature detect switch (12).

2. The overvoltage protection type electrical control cabinet of the butterfly valve of the hydraulic generator according to claim 1, characterized in that: the lateral wall fixedly connected with heat conduction silicone grease (13) of electrical control device (4), lateral wall fixedly connected with fin (14) of heat conduction silicone grease (13), and fin (14) run through the back wall of the cabinet body (1) and extend to the external world, preceding vent (15) have been seted up on the positive surface of the cabinet body (1), back vent (16) have been seted up on the back surface of the cabinet body (1).

3. The overvoltage protection type electrical control cabinet of the butterfly valve of the hydraulic generator according to claim 1, characterized in that: the bottom fixed mounting of the cabinet body (1) has supporting legs (17), and supporting legs (17) are provided with four altogether, and the symmetric distribution is in the four corners department of the cabinet body (1) bottom.

4. The overvoltage protection type electrical control cabinet of the butterfly valve of the hydraulic generator according to claim 2, characterized in that: and filter screens (18) are fixedly arranged in the front ventilation opening (15) and the rear ventilation opening (16).

5. The overvoltage protection type electrical control cabinet of the butterfly valve of the hydraulic generator according to claim 1, characterized in that: through holes (19) are formed in the fixing plate (2), and the through holes (19) are provided in a plurality.

6. The overvoltage protection type electrical control cabinet of the butterfly valve of the hydraulic generator according to claim 1, characterized in that: the top end swing joint of the cabinet body (1) has guard plate (20), the inside threaded connection of guard plate (20) has screw (21), the top fixed mounting of guard plate (20) both sides has pull rod (22).

7. The overvoltage protection type electrical control cabinet of the butterfly valve of the hydraulic generator according to claim 1, characterized in that: the inside fixed mounting of fixed frame (8) has bearing (23), pivot (10) are connected through the inner wall rotation of bearing (23) and fixed frame (8).

8. The overvoltage protection type electrical control cabinet of the butterfly valve of the hydraulic generator according to claim 1, characterized in that: the front surface of the cabinet body (1) is movably connected with a cabinet door (24), and a door handle (25) is fixedly installed on the cabinet door (24).