CN218038270U

CN218038270U - Switch cabinet partial discharge early warning device

Info

Publication number: CN218038270U
Application number: CN202222077329.0U
Authority: CN
Inventors: 郭子英; 郭峰
Original assignee: Hefei Zhiyang Power Monitoring Technology Co ltd
Current assignee: Hefei Zhiyang Power Monitoring Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-13
Anticipated expiration: 2032-08-08

Abstract

The utility model relates to a cubical switchboard early warning technical field just discloses a cubical switchboard partial discharge early warning device, the on-line screen storage device comprises a base, the last fixed surface of base ann fixedly connected with box, the last fixed surface of box is connected with the footstock, inside one side fixedly connected with electrical components of box, electrical components's fixed surface is connected with the wire, the inside opposite side electricity of box is connected with the controller, the external case of back fixedly connected with of box, the bright pilot lamp in front one side fixedly connected with of footstock, the last surface both sides fixedly connected with alarm lamp of footstock, the side fixedly connected with public address panel of footstock. The utility model discloses a normal indicator lamp that lights can be to the inside electrical components monitoring of box to can remind people's box unusual through alarm lamp and public address panel, thereby when cubical switchboard partial discharge, can carry out the early warning monitoring to it.

Description

Cubical switchboard partial discharge early warning device

Technical Field

The utility model relates to a cubical switchboard early warning technical field specifically is a cubical switchboard partial discharge early warning device.

Background

Along with social development, the power demand is continuously increased, the power supply mode is diversified, the reliability requirement is higher and higher, and the switch cabinet plays an important role as one of important equipment.

Switch cabinet is when using, can take place switch cabinet components and parts sometimes, cable joint, PT, bus connection head etc. and burn out the accident, traditional equipment regular overhaul is the artifical maintenance mostly, after the maintenance finishes, and the in-process of equipment use, still the condition of electrical apparatus partial discharge probably appears, however current switch cabinet protects the early warning protection mode of equipment, the mode through switch outage is protected cabinet internal plant mostly, the early warning is not obvious enough, the security in the switch cabinet use has been reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a cubical switchboard partial discharge early warning device has solved the problem of the inconvenient early warning protection of cubical switchboard.

For the purpose that realizes above-mentioned cubical switchboard early warning protection of being convenient for, the utility model provides a following technical scheme: a switch cabinet partial discharge early warning device comprises a base, wherein a box body is fixedly connected to the upper surface of the base, a top seat is fixedly connected to the upper surface of the box body, an electrical element is fixedly connected to one side inside the box body, a lead is fixedly connected to the surface of the electrical element, a controller is electrically connected to the other side inside the box body, an external box is fixedly connected to the back side of the box body, a normally-on indicator lamp is fixedly connected to one side of the front side of the top seat, alarm lamps are fixedly connected to two sides of the upper surface of the top seat, and a sound amplification panel is fixedly connected to the side surface of the top seat;

the utility model discloses an external case, including external case, inner wall one side fixedly connected with small-size cylinder of external case, the output fixedly connected with pneumatic stem of small-size cylinder, the outside one end fixedly connected with switching pole of pneumatic stem, upside the last fixed surface of switching pole is connected with moving contact, downside the moving contact is installed down to the bottom surface of switching pole, the inner wall opposite side fixedly connected with support of external case, the equal sliding connection in inside top surface and the bottom surface of support has the slide bar, the spring has been cup jointed to the surface of slide bar, the upside the bottom fixedly connected with of slide bar is gone up and is decided the contact, the downside the top fixedly connected with of slide bar decides the contact down.

Preferably, the upper fixed contact is movably connected with the upper moving contact, the lower fixed contact is movably connected with the lower moving contact, and both the upper fixed contact and the lower fixed contact are electrically connected with the conducting wire.

Preferably, two ends of the spring on the upper side are respectively and fixedly connected with the bracket and the sliding rod.

Preferably, the upper moving contact and the lower moving contact are electrically connected with an external power supply through conducting wires.

Preferably, the electrical components, the normally-on indicator lamp, the alarm lamp, the sound amplification panel and the small cylinder are electrically connected with the controller through wires.

Preferably, the upper side and the lower side are symmetrically arranged on the small air cylinder, the pneumatic rod and the adapter rod.

Compared with the prior art, the utility model provides a cubical switchboard partial discharge early warning device possesses following beneficial effect:

1. this cubical switchboard partial discharge early warning device, when the inside electrical components of box produced discharge signal, the work of the small-size cylinder of controller drive, the pneumatic stem of both sides stretches simultaneously about the small-size cylinder drive, and then the pneumatic stem can drive the switching pole of upside and shift up, the switching pole of drive downside moves down, the switching pole of upside drives the moving contact and shifts up and contact with last fixed contact this moment, the moving contact moves down and contacts with lower fixed contact under the switching pole drive of downside, the alarm lamp this moment, the public address panel, go up the moving contact and last fixed contact and down through the wire formation closed circuit between the fixed contact, consequently, can make alarm lamp and public address panel circular telegram, through the alarm lamp scintillation, public address panel voice broadcast can remind people the inside electrical components of box unusual, thereby can protect the early warning to the box.

2. This cubical switchboard partial discharge early warning device resumes normal back when the box, and the controller drives the pneumatic rod shrink through small-size cylinder this moment, and alarm lamp, public address panel, upward moving contact and last fixed contact and down move contact and down decide between the contact through the wire formation closed circuit outage, alarm lamp, public address panel no longer work this moment, and often light the pilot lamp and often light once more to monitor the early warning once more to electrical components.

Drawings

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

FIG. 2 is a schematic view of the back of the structural box body of the present invention;

FIG. 3 is a schematic diagram of the upper fixed contact and the lower fixed contact of the structure of the present invention;

fig. 4 is a flow chart of the structure of the present invention.

Wherein: 1. a base; 2. a box body; 3. a top seat; 4. an electrical component; 5. a wire; 6. a controller; 7. an external box; 8. an indicator lamp is normally on; 9. an alarm lamp; 10. a sound amplification panel; 11. a small cylinder; 12. a pneumatic rod; 13. a transfer lever; 14. an upper moving contact; 15. a lower moving contact; 16. a support; 17. a slide bar; 18. a spring; 19. an upper fixed contact; 20. and a lower fixed contact.

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.

Referring to fig. 1-4, the utility model provides a local discharge early warning device of switch cabinet, including base 1, the upper surface of base 1 is fixed and connected with box 2, the upper surface of box 2 is fixed and connected with footstock 3, one side of the inside of box 2 is fixed and connected with electrical components 4, the surface of electrical components 4 is fixed and connected with wire 5, the other side electricity of the inside of box 2 is connected with controller 6, the back of box 2 is fixed and connected with external box 7, one side of the front of footstock 3 is fixed and connected with normally bright pilot lamp 8, both sides of the upper surface of footstock 3 are fixed and connected with alarm lamp 9, the side of footstock 3 is fixed and connected with public address panel 10;

a small cylinder 11 is fixedly connected to one side of the inner wall of the external box 7, a pneumatic rod 12 is fixedly connected to the output end of the small cylinder 11, an adapter rod 13 is fixedly connected to one end of the outer side of the pneumatic rod 12, an upper moving contact 14 is fixedly connected to the upper surface of the upper adapter rod 13, a lower moving contact 15 is mounted on the bottom surface of the lower adapter rod 13, a support 16 is fixedly connected to the other side of the inner wall of the external box 7, a sliding rod 17 is slidably connected to the inner top surface and the inner bottom surface of the support 16, a spring 18 is sleeved on the outer surface of the sliding rod 17, an upper fixed contact 19 is fixedly connected to the bottom end of the upper sliding rod 17, a lower fixed contact 20 is fixedly connected to the top end of the lower sliding rod 17, when an electrical component 4 in the box 2 generates a discharge signal, the generated discharge signal is recorded by a voltmeter arranged in the box 2, at the moment, the voltmeter can record the voltage value when the electrical component 4 discharges, when the voltage value is normally enabled, the normally-on indicator lamp 8 is normally on, when the voltage value is abnormal, the normally-on indicator light 8 is turned off, at the moment, after the controller 6 receives the information transmitted by the voltmeter, the controller 6 drives the small cylinder 11 to work, the small cylinder 11 drives the pneumatic rods 12 on the upper side and the lower side to simultaneously stretch, and then the pneumatic rods 12 can drive the switching rods 13 on the upper side to move upwards and drive the switching rods 13 on the lower side to move downwards, at the moment, the switching rods 13 on the upper side drive the upper moving contacts 14 to move upwards and contact with the upper fixed contacts 19, and the switching rods 13 on the lower side drive the lower moving contacts 15 to move downwards and contact with the lower fixed contacts 20, at the moment, the alarm light 9, the public address panel 10, the upper moving contacts 14, the upper fixed contacts 19 and the lower moving contacts 20 form a closed loop through the conducting wires 5, so that the alarm light 9 and the public address panel 10 can be electrified, the alarm light 9 flickers, and the public address panel 10 can remind people that the electrical components 4 in the box 2 are abnormal through voice broadcast, thereby, the box body 2 can be pre-warned and protected.

Furthermore, an upper fixed contact 19 is movably connected with the upper moving contact 14, a lower fixed contact 20 is movably connected with the lower moving contact 15, and the upper fixed contact 19 and the lower fixed contact 20 are both electrically connected with the wire 5, so that a closed loop is formed between the alarm lamp 9, the public address panel 10, the upper moving contact 14 and the upper fixed contact 19, and between the lower moving contact 15 and the lower fixed contact 20 through the wire 5, and therefore the alarm lamp 9 and the public address panel 10 can be electrified for early warning.

Furthermore, two ends of the upper spring 18 are respectively fixedly connected with the support 16 and the sliding rod 17, and when the upper movable contact 14 moves upwards and contacts with the upper fixed contact 19, and the lower movable contact 15 moves downwards and contacts with the lower fixed contact 20, the sliding rod 17 can be driven to slide in the support 16, and the spring 18 can be compressed, so that the upper fixed contact 19 and the lower fixed contact 20 can be protected in a buffering manner.

Further, go up moving contact 14 and moving contact 15 down and be connected with external power supply electricity through wire 5, after box 2 resumes normally, controller 6 passed through 11 drive pneumatic rod 12 contractions of small-size cylinder this moment, alarm lamp 9 this moment, public address panel 10, go up moving contact 14 and last fixed contact 19 and moving contact 15 down and down form closed circuit outage through wire 5 between the fixed contact 20 down, alarm lamp 9, public address panel 10 no longer works, and often light pilot lamp 8 often lights once more, so that monitor the early warning once more to electrical components 4.

Further, the electrical component 4, the normally-on indicator light 8, the alarm light 9, the sound amplification panel 10 and the small cylinder 11 are electrically connected with the controller 6 through the lead 5, so that the electrical component 4, the normally-on indicator light 8, the alarm light 9, the sound amplification panel 10 and the small cylinder 11 can be driven to work independently through the controller 6.

Further, the small-sized air cylinders 11 on the upper side and the lower side, the pneumatic rod 12 and the switching rod 13 are symmetrically arranged, so that the small-sized air cylinders 11 can drive the switching rods 13 on the upper side and the lower side to move simultaneously through the pneumatic rod 12, and the upper moving contact 14 and the upper fixed contact 19 and the lower moving contact 15 and the lower fixed contact 20 are simultaneously contacted and electrified.

When using, when electrical components 4 inside box 2 produced the discharge signal, the discharge signal that produces was recorded through the voltmeter that sets up inside box 2, the voltmeter can take notes the voltage value when electrical components 4 discharge this moment, when the voltage value normally makes, normally light pilot lamp 8 is normally bright, when the voltage value is unusual, normally light pilot lamp 8 goes out, controller 6 received the information of voltmeter transmission this moment after, controller 6 drives small cylinder 11 work, pneumatic rod 12 of both sides about small cylinder 11 drives stretches simultaneously, and then pneumatic rod 12 can drive the switching pole 13 of upside and move up, it moves down to drive switching pole 13 of downside, switching pole 13 of upside drives upper movable contact 14 and moves up and contacts with last fixed contact 19 this moment, movable contact 15 moves down and contacts with lower fixed contact 20 under the switching pole 13 of downside drives, alarm lamp 9 this moment, public address panel 10, upper movable contact 14 and upper fixed contact 19 and lower movable contact 15 and lower fixed contact 20 form closed loop through wire 5 between, consequently, can make alarm lamp 9 and public address panel 10 circular telegram, thereby people can remind the audio amplifier panel to carry out the warning to the warning that audio alert of the inside box 2 protection panel 2 of audio amplifier unusual.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cubical switchboard partial discharge early warning device, includes base (1), its characterized in that: the portable sound-amplifying cabinet is characterized in that a box body (2) is fixedly connected to the upper surface of the base (1), a top seat (3) is fixedly connected to the upper surface of the box body (2), an electrical component (4) is fixedly connected to one side inside the box body (2), a conducting wire (5) is fixedly connected to the surface of the electrical component (4), a controller (6) is electrically connected to the other side inside the box body (2), an external box (7) is fixedly connected to the back side of the box body (2), a normally-on indicating lamp (8) is fixedly connected to one side of the front side of the top seat (3), alarm lamps (9) are fixedly connected to two sides of the upper surface of the top seat (3), and a sound-amplifying panel (10) is fixedly connected to the side surface of the top seat (3);

the outer box is characterized in that a small air cylinder (11) is fixedly connected to one side of the inner wall of the external box (7), an output end of the small air cylinder (11) is fixedly connected with an air rod (12), an outer side one end of the air rod (12) is fixedly connected with an adapter rod (13), the upper side of the adapter rod (13) is fixedly connected with an upper moving contact (14) and a lower side of the upper moving contact, a lower moving contact (15) is installed on the bottom surface of the adapter rod (13), a support (16) is fixedly connected to the other side of the inner wall of the external box (7), a sliding rod (17) is slidably connected to the inner top surface and the bottom surface of the support (16), a spring (18) is sleeved on the outer surface of the sliding rod (17), the upper side of the bottom end of the sliding rod (17) is fixedly connected with an upper fixed contact (19) and the lower side of the top end of the sliding rod (17) is fixedly connected with a lower fixed contact (20).

2. The switch cabinet partial discharge early warning device according to claim 1, characterized in that: the upper fixed contact (19) is movably connected with the upper moving contact (14), the lower fixed contact (20) is movably connected with the lower moving contact (15), and both the upper fixed contact (19) and the lower fixed contact (20) are electrically connected with the lead (5).

3. The switch cabinet partial discharge early warning device according to claim 1, characterized in that: two ends of the upper side spring (18) are respectively fixedly connected with the bracket (16) and the sliding rod (17).

4. The switch cabinet partial discharge early warning device according to claim 1, characterized in that: the upper movable contact (14) and the lower movable contact (15) are electrically connected with an external power supply through a lead (5).

5. The switch cabinet partial discharge early warning device according to claim 1, characterized in that: the electric appliance element (4), the normally-on indicator lamp (8), the alarm lamp (9), the sound amplification panel (10) and the small cylinder (11) are electrically connected with the controller (6) through the lead (5).

6. The switch cabinet partial discharge early warning device according to claim 1, characterized in that: the upper side and the lower side of the small cylinder (11), the pneumatic rod (12) and the switching rod (13) are symmetrically arranged.