CN214849641U

CN214849641U - Main transformer air cooling control box with intelligent electric leakage monitoring function

Info

Publication number: CN214849641U
Application number: CN202121458300.6U
Authority: CN
Inventors: 党金荣; 鲁敬; 田立强
Original assignee: Shandong Heat Energy And Electric Power Design Institute
Current assignee: Shandong Heat Energy And Electric Power Design Institute
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-11-23
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to a take intelligent leakage monitoring's main change forced air cooling control box, the power distribution box comprises a box body, the box top is equipped with the waterproof board, the waterproof board below position in the box openly is equipped with the cabinet door, the inside top of cabinet door is equipped with transparent observation window, transparent observation window below one side is equipped with the dead lever, the dead lever surface is equipped with the hasp, the inside intelligent leakage detection device that is equipped with of cabinet door, intelligent leakage detection device below one side is equipped with audible-visual annunciator, the inside top of box is equipped with the guide plate. The utility model discloses an in every forced air cooling control circuit, electric leakage monitoring current transformer is installed, and the leakage current that will gather reaches intelligent electric leakage on-line monitoring device, if after the electric leakage current value reached the early warning setting value, send out the police dispatch newspaper, according to warning interval time, the automatic adjustment early warning state. The leakage current change curve is displayed on the background monitor, so that the insulating condition can be accurately judged by maintainers, and the maintainers can be maintained in time.

Description

Main transformer air cooling control box with intelligent electric leakage monitoring function

Technical Field

The utility model relates to a take intelligent leakage monitoring's main change forced air cooling control box belongs to forced air cooling control box technical field.

Background

At present, a transformer in the operation of a power system mainly adopts three types of oil-immersed self-cooling type, oil-immersed air-cooling type and forced oil circulation type, the forced oil circulation cooling effect is superior to oil-immersed air cooling under the same environment, and the oil-immersed air cooling effect is superior to oil-immersed self-cooling.

The main transformer air-cooled control box is generally arranged on a main transformer body and is an important heat dissipation component of a main transformer, and under the state of long-term outdoor operation, current leakage possibly caused by insulation damage or other reasons can cause the leakage current value to rise along with the gradual obsolescence of equipment and wires, the pollution of the surrounding environment, insulation moisture and other reasons. The main transformer is far away from a control room, if electric leakage is not found in time, a maintainer gets an electric shock when the electric leakage is serious, and even potential hazards of fire can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take main change air-cooled control box of intelligent electric leakage monitoring, through in every air-cooled control circuit, electric leakage monitoring current transformer of installation, the leakage current that will gather passes to intelligent electric leakage on-line monitoring device, if after the electric leakage current value reaches the early warning setting value, sends out the police dispatch newspaper, according to warning interval time, automatic adjustment early warning state. The leakage current change curve is displayed on the background monitoring, so that the insulating condition can be accurately judged by maintainers, and the maintainers can be overhauled in time to solve the problem in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a take intelligent leakage monitoring's main change forced air cooling control box, the power distribution box comprises a box body, the box top is equipped with the waterproof board, the waterproof board below position in the box openly is equipped with the cabinet door, the inside top of cabinet door is equipped with transparent observation window, transparent observation window below one side is equipped with the dead lever, the dead lever surface is equipped with the hasp, the inside intelligent leakage detection device that is equipped with of cabinet door, intelligent leakage detection device below one side is equipped with audible-visual annunciator, the inside top of box is equipped with the guide plate, the guide plate below is equipped with the mounting bracket, mounting bracket below one side is equipped with the leakage detection mutual-inductor, the leakage detection mutual-inductor below is equipped with the mounting panel.

Furthermore, the perimeter of the waterproof board is larger than the perimeter of the edge above the box body, the cabinet door is a double-layer cabinet door, the intelligent electric leakage detection device and the audible and visual alarm are arranged between interlayers of the cabinet door, and the transparent observation window is made of toughened glass.

Furthermore, the hasp is waterproof hasp, the hasp lock core is located inside the cabinet door, the cabinet door with the box passes through hinge connection, the box with cabinet door junction is equipped with waterproof sealing strip, waterproof sealing strip is located box opening a week.

Further, the bottom half is equipped with the base, the vent has been seted up to base one side, the inside draught fan that is equipped with of base, the base with the inside intercommunication of box, box top both sides are equipped with the air intake, the air intake is the bar and inside is equipped with the dust screen.

Further, the output end of the leakage detection mutual inductor is electrically connected with the input end of the intelligent leakage detection device through a wire.

Furthermore, the output end of the intelligent electric leakage detection device is electrically connected with the control end through a wire, and the output end of the control end is electrically connected with the input end of the audible and visual alarm through a wire.

The utility model has the advantages that:

1. through using double-deck cabinet door, double-deck cabinet door can increase the leakproofness between cabinet door and the box, it is inside to prevent to reduce water or moisture from getting into the box from cabinet door department, and the box is equipped with waterproof sealing strip with cabinet door connection department, can increase the leakproofness of box and cabinet door connection department on the waterproof sealing strip, thereby prevent that water or moisture from getting into the box from box and cabinet door connection department inside, reduce the risk of the inside electronic component electric leakage of box or short circuit, the bottom half is equipped with the base, the inside draught fan that is equipped with of base, can take the inside air of box out when the draught fan operates, make the inside air of box can the circulation flow, thereby can reduce the temperature in the box, prevent that the inside high temperature of box from influencing the electronic component operation, reduce the risk that the box conflagration took place, prolong the inside electronic component's of box life.

2. Through set up the electric leakage detection mutual-inductor in the box is inside, set up intelligent electric leakage detection device on the cabinet door, when internal line or electronic parts took place the electric leakage on the box, the electric leakage detection mutual-inductor can pass to intelligent electric leakage monitoring device with the leakage current of the collection of electric leakage, intelligent electric leakage monitoring device sends the signal long-range to someone's electric backstage on duty, show leakage current change curve on the backstage control, if after the electric leakage current value reached the early warning setting value, the control end can send signal start audible-visual annunciator and send out the police dispatch newspaper, according to warning interval time, the automatic adjustment early warning state, help maintainer in time to judge electric leakage fault development speed and severity, in time overhaul and get rid of the trouble, production loss is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of a main transformer air-cooled control box with intelligent leakage monitoring of the present invention;

fig. 2 is an expanded view of the main transformer air-cooled control box with intelligent leakage monitoring of the present invention;

FIG. 3 is a sectional view of a cabinet door of a main transformer air-cooled control box with intelligent leakage monitoring of the present invention;

fig. 4 is a system diagram of a main transformer air-cooled control box with intelligent leakage monitoring of the present invention;

reference numbers in the figures: 1. a box body; 2. a waterproof sheet; 3. a cabinet door; 4. a transparent viewing window; 5. fixing the rod; 6. locking; 7. an intelligent leakage detection device; 8. an audible and visual alarm; 9. a baffle; 10. a mounting frame; 11. a leakage detection transformer; 12. mounting a plate; 13. a waterproof sealing strip; 14. a base; 15. a vent; 16. an induced draft fan; 17. an air inlet; 18. and a control end.

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.

Embodiment 1, please refer to fig. 1-3, the present invention provides a technical solution:

the utility model provides a take intelligent leakage monitoring's main change air-cooled control box, includes

box

1, 1 top of box is equipped with

waterproof board

2, 2 below positions of waterproof board in 1 openly is equipped with cabinet door 3 of box, 3 inside tops of cabinet door are equipped with

transparent observation window

4, 4 below one side of transparent observation window are equipped with

dead lever

5, 5 surfaces of dead lever are equipped with

hasp

6, 3 inside intelligent leakage detection device 7 that are equipped with of cabinet door, 7 below one side of intelligent leakage detection device is equipped with audible-

visual annunciator

8, 1 inside tops of box are equipped with guide plate 9, the guide plate 9 below is equipped with mounting bracket 10, one side of mounting bracket 10 below is equipped with leakage detection mutual-inductor 11, the leakage detection mutual-inductor 11 below is equipped with mounting bracket 12.

Particularly, 2 girths of waterproof board are greater than 1 top edge girth of box, cabinet door 3 is double-deck cabinet door, intelligence electric leakage detection device 7 with audible-visual annunciator 8 all locates between 3 intermediate layers of cabinet door, transparent observation window 4 is the material toughened glass, and waterproof board 2 can block water, prevents inside water gets into box 1 from 1 top of box, and transparent observation window 4 makes things convenient for the operating condition of staff observation 1 inside electronic parts of box, convenient record.

Particularly, hasp 6 is waterproof hasp, 6 lock cores of hasp are located inside cabinet door 3, cabinet door 3 with box 1 passes through hinge connection, box 1 with 3 junctions of cabinet door are equipped with waterproof sealing strip 13, waterproof sealing strip 13 is located 1 opening a week of box, hasp 6 have waterproof nature to prevent that water from getting into box 1 inside through hasp 6, waterproof sealing strip 13 can increase the leakproofness between box 1 and the cabinet door 3, prevents that water from getting into box 1 from cabinet door 3 department.

Particularly, 1 bottom of box is equipped with base 14, vent 15 has been seted up to base 14 one side, 14 inside draught fan 16 that is equipped with of base, base 14 with 1 inside intercommunication of box, 1 top both sides of box are equipped with air intake 17, air intake 17 is the bar and inside is equipped with the dust screen, and draught fan 16 can take the air of 1 inside of box out, makes 1 inside air of box can the circulation flow to can reduce the temperature in the box 1.

Embodiment 2, please refer to fig. 2-4, the difference between this embodiment and embodiment 1 is: the utility model discloses a leakage current monitoring device, including intelligent electric leakage detection transformer 11, control end 18, audible-visual annunciator 8, leakage detection transformer 11, control end 18 output and the 8 inputs of audible-visual annunciator pass through wire electric connection, and leakage detection transformer 11 can pass through wire electric connection with the collection of electric leakage to intelligent electric leakage monitoring device 7, and intelligent electric leakage monitoring device 7 can send leakage information to control end 18 to make things convenient for control end 18 to report to the police according to the early warning setting value, help maintainer in time to judge leakage fault development speed and severity, in time overhaul troubleshooting.

The utility model discloses the theory of operation: when the cabinet is used, the double-layer cabinet door 3 is used, the sealing performance between the cabinet door 3 and the cabinet body 1 can be improved by the double-layer cabinet door 3, water or moisture is prevented from entering the interior of the cabinet body 1 from the cabinet door 3, the waterproof sealing strip 13 is arranged at the joint of the cabinet body 1 and the cabinet door 3, the sealing performance at the joint of the cabinet body 1 and the cabinet door 3 can be improved on the waterproof sealing strip 13, so that the water or moisture is prevented from entering the interior of the cabinet body 1 from the joint of the cabinet body 1 and the cabinet door 3, the risk of electric leakage or short circuit of electronic elements in the cabinet body 1 is reduced, the base is arranged at the bottom of the cabinet body 1, the induced draft fan 16 is arranged in the base 14, when the induced draft fan 16 operates, air in the cabinet body 1 can be pumped out, the air in the cabinet body 1 can circularly flow, the temperature in the cabinet body 1 can be reduced, the situation that the electronic elements operate due to overhigh temperature in the cabinet body 1 is prevented, and the risk of fire disaster of the cabinet body 1 is reduced, the service life of the electronic elements in the box body 1 is prolonged; when the internal circuit or electronic part takes place the electric leakage on box 1, leakage detection mutual-inductor 11 can pass to intelligent electric leakage monitoring devices 7 with the leakage current of the collection of electric leakage, intelligent electric leakage monitoring devices 7 send the signal long-range electric backstage of someone on duty to, show leakage current change curve on the backstage control, if leakage current value reaches the early warning setting value after, control end 18 can send the signal and start audible-visual annunciator 8 and send out the police dispatch newspaper, according to the warning interval time, the automatic adjustment early warning state, help maintainer in time to judge leakage fault development speed and severity, in time overhaul troubleshooting, production loss is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a take intelligent electric leakage monitoring's main change air-cooled control box, includes box (1), its characterized in that: the utility model discloses a cabinet, including box (1), waterproof board (2) below position in box (1) openly is equipped with cabinet door (3), the inside top of cabinet door (3) is equipped with transparent observation window (4), transparent observation window (4) below one side is equipped with dead lever (5), dead lever (5) surface is equipped with hasp (6), cabinet door (3) inside is equipped with intelligent electric leakage detection device (7), intelligence electric leakage detection device (7) below one side is equipped with audible-visual annunciator (8), the inside top of box (1) is equipped with guide plate (9), guide plate (9) below is equipped with mounting bracket (10), mounting bracket (10) below one side is equipped with electric leakage detection mutual-inductor (11), electric leakage detection mutual-inductor (11) below is equipped with mounting panel (12).

2. The main transformer air-cooled control box with the intelligent leakage monitoring function of claim 1, wherein the main transformer air-cooled control box comprises: the perimeter of the waterproof plate (2) is larger than the perimeter of the edge above the box body (1), the cabinet door (3) is a double-layer cabinet door, the intelligent electric leakage detection device (7) and the audible and visual alarm (8) are arranged between interlayers of the cabinet door (3), and the transparent observation window (4) is made of toughened glass.

3. The main transformer air-cooled control box with the intelligent leakage monitoring function of claim 1, wherein the main transformer air-cooled control box comprises: hasp (6) are waterproof hasp, hasp (6) lock core is located inside cabinet door (3), cabinet door (3) with box (1) passes through hinge connection, box (1) with cabinet door (3) junction is equipped with waterproof sealing strip (13), waterproof sealing strip (13) are located box (1) opening a week.

4. The main transformer air-cooled control box with the intelligent leakage monitoring function of claim 1, wherein the main transformer air-cooled control box comprises: the utility model discloses a dustproof wireless air conditioner, including box (1), base (14), vent (15) have been seted up to base (14) one side, base (14) inside is equipped with draught fan (16), base (14) with the inside intercommunication of box (1), box (1) top both sides are equipped with air intake (17), air intake (17) are the bar and inside dust screen that is equipped with.

5. The main transformer air-cooled control box with the intelligent leakage monitoring function of claim 1, wherein the main transformer air-cooled control box comprises: the output end of the electric leakage detection mutual inductor (11) is electrically connected with the input end of the intelligent electric leakage detection device (7) through a wire.

6. The main transformer air-cooled control box with the intelligent leakage monitoring function of claim 1, wherein the main transformer air-cooled control box comprises: the output end of the intelligent electric leakage detection device (7) is electrically connected with the control end (18) through a wire, and the output end of the control end (18) is electrically connected with the input end of the audible and visual alarm (8) through a wire.