CN116469722A - Outdoor isolation fracture with electrified display device - Google Patents

Abstract

The application relates to an outdoor isolation fracture (3) with electrified display device sets up vacuum circuit breaker (1) and box (2) in the open air, and vacuum circuit breaker (1) are installed on box (2), are provided with vacuum interrupter in vacuum circuit breaker (1), are provided with isolation fracture (3) in the vacuum interrupter, install detachable display module (4) in box (2), be provided with isolator, electric capacity (8) and isolation transformer on vacuum circuit breaker (1), electric capacity (8) are connected to isolation transformer, and display module (4) are connected to electric capacity (8), and when isolator was in under the closed state, display module (4) department switch-on state, display module (4) are exposed in the outside of box (2). The application has the effect that after being electrified, a warning sign can be generated, and the inside is ensured to be in normal work.

Description

Outdoor isolation fracture with electrified display device

Technical Field

The application relates to the technical field of power distribution equipment, in particular to an outdoor isolation fracture with an electrified display device.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no maintenance in arc extinguishing, and is more popular in power distribution networks. The vacuum circuit breaker is an indoor distribution device in a 3-10 kV 50Hz three-phase alternating current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and substations, is particularly suitable for use places requiring oilless maintenance and frequent operation, and can be arranged in a centrally installed switchgear, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

An Isolating switch (Isolating switch) is a switching device which is mainly used for Isolating a power supply, switching off operation and connecting and disconnecting a small current circuit and has no arc extinguishing function; when the isolating switch is in the separated position, the contacts have an insulation distance and an obvious disconnection mark which meet the specified requirements; in the closed position, a switching device capable of carrying a current under normal circuit conditions and a current under abnormal conditions (e.g., short circuit) for a prescribed time is an important component in a vacuum circuit breaker.

The isolation fracture refers to a distance which is commonly called as an opening distance and is pulled between the moving contact and the fixed contact of the vacuum arc-extinguishing chamber when the vacuum circuit breaker is at the opening position. At present, the vacuum circuit breaker with isolator sometimes can install outdoor use, and the vacuum circuit breaker that sets up outdoor probably can appear damaging, can't confirm whether inside is in the energized state, can't make timely processing.

With respect to the related art described above, the inventors consider that there is a defect that the internal power-on condition of the apparatus cannot be obtained in time.

Disclosure of Invention

In order to timely acquire whether equipment normally electrifies the condition of operation, the application provides an outdoor isolation fracture with electrified display device.

The application provides an outdoor isolation fracture with electrified display device adopts following technical scheme:

the utility model provides an outdoor isolation fracture with electrified display device, including setting up vacuum circuit breaker and the box in the open air, vacuum circuit breaker installs on the box, is provided with vacuum interrupter in the vacuum circuit breaker, is provided with isolation fracture in the vacuum interrupter, installs detachable display module in the box, is provided with isolator, electric capacity and isolation transformer on the vacuum circuit breaker, and isolation transformer connects the electric capacity, and the electric capacity is connected and is shown the subassembly, and isolator is in when under the closed state, shows subassembly department switch-on state, shows the outside of subassembly exposure at the box.

Through adopting above-mentioned technical scheme, when isolator closed, inside circular telegram, current transmission to display element for display element lights, reaches a sign effect, and the inside outage scheduling problem that does not take place of description structure.

Preferably, the isolating switch comprises a movable contact, a static contact and a driving mechanism, wherein the movable contact comprises a conductive contact rod and an insulating pull rod fixed at the lower end of the conductive contact rod, the static contact and the movable contact are positioned at an isolating fracture, and when the static contact and the movable contact are contacted, the isolating switch is in a closed state; when the static contact piece and the movable contact piece are separated, the isolating switch is in an off state; the driving mechanism is connected with the movable contact and drives the movable contact to move up and down.

Preferably, the display assembly comprises a plurality of display lamps and a mounting plate, wherein the mounting plate is arranged on the box body, the display lamps are arranged on the mounting plate, and the bottom of the mounting plate is provided with a light guide plate which corresponds to the display lamps one by one.

Through adopting above-mentioned technical scheme, the light guide plate is used for covering the display lamp for the illumination that the display lamp produced is more even, does benefit to the convenient display lamp of observing.

Preferably, the mounting panel includes fixed plate and waterproof board, and the waterproof board is fixed in the below of fixed plate, and one side of waterproof board is exposed in external environment, and fixed plate and box are fixed, set up a plurality of diathermanous holes that switch on with the box is inside on the fixed plate, and the diathermanous hole department installs detachable radiating fin, and radiating fin passes the diathermanous hole and extends to external environment.

Through adopting above-mentioned technical scheme, radiating fin's one end is the setting that sets up in the box and be close to the display lamp, and when whole circuit breaker is in operating condition down, and the heat that its interior electrical components produced is convenient for discharge through radiating fin, radiating fin's setting is favorable to the inside heat dissipation of whole circuit breaker, has reduced the possibility that inside electrical components damaged.

Preferably, the waterproof board is made of ageing-resistant colloid materials, a plurality of inserting parts are arranged on the waterproof board, and slots for inserting the inserting parts are formed in the fixing board.

Through adopting above-mentioned technical scheme, made things convenient for the installation of waterproof board and fixed plate, adopted the mode that inserts the portion and insert the slot, increased the contact surface between waterproof board and the fixed plate, promoted the compactness that waterproof board and fixed plate are connected.

Preferably, a thickened connecting part is formed on one side of the radiating fin, which is close to the inside of the box body, and the connecting part is arranged in the heat-permeable hole and is in threaded engagement with the fixing plate.

Through adopting above-mentioned technical scheme, radiating fin screw thread engagement is on the fixed plate for the operator holds radiating fin and can rotate and dismantle radiating fin, makes radiating fin's installation and dismantlement more convenient.

Preferably, a waterproof sealing ring is fixed at the joint of the fixing plate and the radiating fins.

Through adopting above-mentioned technical scheme, waterproof sealing circle is fixed on the waterproof layer of fixed plate through waterproof glue, and the parcel is lived radiating fin, has increased radiating fin and fixed plate junction's leakproofness.

Preferably, the isolating switch is connected with the capacitor through a first lead wire, and the capacitor is connected with the display piece through a second lead wire.

Through adopting above-mentioned technical scheme, through the mode transmission of lead wire to the display piece for the display piece shines.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the vacuum circuit breaker has the function of displaying the point, when the isolating switch is in the closed state, the internal current is conducted, the current is transmitted to the display assembly to cause the display assembly to lighten, the marking function is achieved, and a worker can judge whether the internal is conducted or not according to whether the display assembly lightens or not; if the display component is not lightened, the internal current interruption can be rapidly judged, and the internal electronic element can be damaged, so that the response is timely made.

2. The detachable radiating fins are arranged at the bottom of the box body of the vacuum circuit breaker, and can lead out heat generated by electronic elements in the vacuum circuit breaker in a working state, so that the heat dissipation in the whole structure is utilized; meanwhile, after the radiating fins are disassembled, the connecting holes are exposed in the external environment, so that the bottom can be overhauled through the connecting holes, the box body is not required to be disassembled, and the overhauling is more convenient.

Drawings

Fig. 1 is a perspective view a of the present application.

Fig. 2 is a perspective view B of the present application.

Fig. 3 is a perspective view C of the present application.

Fig. 4 is a top view of the present application.

Fig. 5 is a bottom view of the present application.

Fig. 6 is a partial cross-sectional view of the present application.

Fig. 7 is a side cross-sectional view of the present application.

Fig. 8 is a structural diagram of the mounting plate of the present application.

Fig. 9 is a structural view of the stationary contact of the present application.

Fig. 10 is a structural view of the heat radiating fin of the present application.

Reference numerals illustrate: 1. a vacuum circuit breaker; 2. a case; 3. isolating the fracture; 4. a display assembly; 41. a display lamp; 42. a mounting plate; 421. a fixing plate; 422. A waterproof board; 43. a light guide plate; 5. a movable contact; 6. a heat-permeable hole; 7. a heat radiation fin; 71. a connection part; 8. a capacitor; 10. A stationary contact; 11. a first lead; 12. a second lead; 13. an insertion portion.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-10.

The embodiment of the application discloses an outdoor isolation fracture with an electrified display device. Referring to fig. 1 and 2, an outdoor isolating break with an electrified display device includes a vacuum circuit breaker 1 provided outdoors and a case 2, the vacuum circuit breaker 1 being mounted on the case 2.

Referring to fig. 6 and 7, a vacuum arc-extinguishing chamber is provided in a vacuum circuit breaker 1, an isolation fracture 3 is provided in the vacuum arc-extinguishing chamber, a detachable display assembly 4 is installed in a box 2, an isolation switch, a capacitor 8 and an isolation transformer are provided on the vacuum circuit breaker 1, the isolation transformer is connected with the capacitor 8, the capacitor 8 is connected with the display assembly 4, when the isolation switch is in a closed state, the display assembly 4 is in an electrified state, and the display assembly 4 is exposed outside the box 2.

Referring to fig. 6 and 7, the isolating switch comprises a movable contact 5, a static contact 10 and a driving mechanism, wherein the movable contact 5 comprises a conductive contact rod and an insulating pull rod fixed at the lower end of the conductive contact rod, the static contact 10 and the movable contact 5 are positioned at the isolating fracture 3, and when the static contact 10 and the movable contact 5 are in contact, the isolating switch is in a closed state; when the static contact 10 and the movable contact 5 are separated, the isolating switch is in an off state; the driving mechanism is connected with the movable contact 5 and drives the movable contact 5 to move up and down.

Referring to fig. 9, the static contact assembly 1 includes a conductive object 11, a conductive contact 12, a first elastic element 13 and a second elastic element 14, the conductive object 11 is a revolving body, the conductive contact is uniformly distributed along the circumference of the conductive object 11, two ends of the conductive contact 12 are all concave arc-shaped sheets, the conductive contact 12 is sleeved with the first elastic element 13, the outer side of each conductive contact 12 is sleeved with the second elastic element 14, so that the lower end of each conductive contact 12 is driven to shrink inwards to form a through hole for inserting a conductive contact rod 21.

The conductive object 11 may be a conductive block, the conductive contact 12 is a conductive contact, and the first elastic member 13 and the second elastic member 14 may be tension springs.

The driving mechanism comprises a rotating column, a rotating sleeve, a first limiting shaft, a second limiting shaft, a first movable piece and a driving assembly; the lower extreme in insulating pull rod of post threaded connection rotates the lower extreme of post is located to a cover body, and first spacing axle wears to locate to rotate to overlap and both ends wear to locate respectively on two limiting plates, and first spacing axle slides on the limiting plate.

The driving assembly is used for driving the first movable piece to move. The driving assembly comprises a driving handle, one side of the driving handle is provided with a connecting shaft, the connecting shaft is fixedly connected with the driving handle, a driving sleeve is further sleeved on the connecting shaft, and the connecting shaft is rotationally connected with the driving sleeve. When the movable part is used, the driving handle can be held by a hand and rotated, the second limiting shaft is driven to rotate, and the second limiting shaft drives the first movable part to swing.

The driving assembly can also be other structures with the same functions.

Referring to fig. 8, the display assembly 4 includes a plurality of display lamps 41 and a mounting plate 42, the mounting plate 42 is mounted on the case 2, the display lamps 41 are mounted on the mounting plate 42, a light guide plate 43 is disposed at the bottom of the mounting plate 42, the light guide plate 43 corresponds to the display lamps 41 one by one, and when the display lamps 41 generate illumination, a warning sign is played.

Referring to fig. 8, the mounting plate 42 includes a fixing plate 421 and a waterproof plate 422, the waterproof plate 422 is fixed below the fixing plate 421, one side of the waterproof plate 422 is exposed to the external environment, the waterproof plate 422 is used for increasing the waterproof property of the bottom of the whole mounting plate 42, the possibility of damage is reduced, the fixing plate 421 is fixed to the case 2, a plurality of heat-permeable holes 6 communicated with the inside of the case 2 are formed in the fixing plate 421, detachable heat dissipation fins 7 are mounted at the heat-permeable holes 6, and the heat dissipation fins 7 extend to the external environment through the heat-permeable holes 6.

Referring to fig. 8, the waterproof board 422 is made of an aging-resistant glue material, a plurality of inserting parts 13 are arranged on the waterproof board 422, slots for inserting the inserting parts 13 are formed in the fixing board 421, and after the inserting parts 13 of the waterproof board 422 are inserted into the slots, the waterproof board 422 and the fixing board 421 are further fixed through waterproof glue.

Referring to fig. 10, a thickened connection portion 71 is formed at a side of the heat radiating fin 7 near the inside of the case 2, and the connection portion 71 is disposed in the diathermanous hole 6 and is screw-engaged with the fixing plate 421.

Wherein, the inner wall of diathermanous hole 6 sets up the internal thread, and connecting portion 71 is cylindric structure, and the surface of connecting portion 71 sets up the external screw thread, and connecting portion 71 inserts in the diathermanous hole 6 after through screw thread engagement.

Referring to fig. 2, a waterproof sealing ring (not shown) is fixed at the connection between the fixing plate 421 and the heat dissipation fins 7, and the waterproof sealing ring is made of an aging-resistant colloid material, and is tightly attached to the heat dissipation fins 7, so as to increase the waterproof tightness of the connection between the heat dissipation fins 7 and the fixing plate 421.

Referring to fig. 6, the isolation switch is connected to the capacitor 8 through the first lead 11, and the capacitor 8 is connected to the display module 4 through the second lead 12.

The implementation principle of the outdoor isolation fracture with the electrified display device is as follows: the utility model provides a box 2 position is provided with demountable installation's mounting panel 42 on vacuum circuit breaker 1, has the demonstration 41 lamp on the mounting panel 42, and the demonstration lamp 41 is switched on with vacuum circuit breaker 1 internal power source.

The position of the isolation fracture 3 on the vacuum circuit breaker 1 is provided with a static contact 10 and a movable contact 11 to be contacted, the position of the isolation fracture 3 is closed and electrified, the capacitor 8 is connected with the display lamp 41 from the current transformer through a lead wire once, and the capacitor 8 is connected with the display lamp 41 through a secondary lead wire, so that the display lamp 41 is electrified to play a role of identification. When the display lamp 41 is not displayed, that is, it is explained that the current inside the structure is cut off or there is a possibility that other electronic components are damaged, a technical check process is required.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. The utility model provides an outdoor isolation fracture with electrified display device, including setting up vacuum circuit breaker (1) and box (2) outdoor, vacuum circuit breaker (1) are installed on box (2), are provided with vacuum interrupter in vacuum circuit breaker (1), are provided with isolation fracture (3), its characterized in that in the vacuum interrupter: install detachable display module (4) in box (2), be provided with isolator, electric capacity (8) and isolation transformer on vacuum circuit breaker (1), isolation transformer connects electric capacity (8), and display module (4) are connected to electric capacity (8), and when isolator was in under the closed state, display module (4) department circular telegram state, display module (4) expose in the outside of box (2).

2. The outdoor isolating fracture with an electrified display apparatus according to claim 1, wherein: the isolating switch comprises a movable contact (5), a static contact (10) and a driving mechanism, wherein the movable contact (5) comprises a conductive contact rod and an insulating pull rod fixed at the lower end of the conductive contact rod, the static contact (10) and the movable contact (5) are positioned at an isolating fracture (3), and when the static contact (10) and the movable contact (5) are in contact, the isolating switch is in a closed state; when the static contact (10) and the movable contact (5) are separated, the isolating switch is in an off state; the driving mechanism is connected with the movable contact piece (5) and drives the movable contact piece (5) to move up and down

The outdoor isolating fracture with an electrified display apparatus according to claim 1, wherein: the display assembly (4) comprises a plurality of display lamps (41) and a mounting plate (42), wherein the mounting plate (42) is mounted on the box body (2), the display lamps (41) are mounted on the mounting plate (42), and the bottom of the mounting plate (42) is provided with a light guide plate (43), and the light guide plate (43) and the display lamps (41) are in one-to-one correspondence.

3. An outdoor isolating fracture with an electrified display as defined in claim 3, wherein: the mounting plate (42) comprises a fixing plate (421) and a waterproof plate (422), the waterproof plate (422) is fixed below the fixing plate (421), one side of the waterproof plate (422) is exposed to the external environment, the fixing plate (421) is fixed with the box body (2), a plurality of diathermanous holes (6) communicated with the inside of the box body (2) are formed in the fixing plate (421), detachable radiating fins (7) are mounted at the diathermanous holes (6), and the radiating fins (7) penetrate through the diathermanous holes (6) to extend to the external environment.

4. The outdoor isolating fracture with an electrified display of claim 4, wherein: the waterproof board (422) is made of an aging-resistant colloid material, a plurality of inserting parts (13) are arranged on the waterproof board (422), and slots for inserting the inserting parts (13) are formed in the fixing board (421).

5. The outdoor isolating fracture with an electrified display of claim 4, wherein: one side of the radiating fin (7) close to the inside of the box body (2) is provided with a thickened connecting part (71), and the connecting part (71) is arranged in the diathermanous hole (6) and is in threaded engagement with the fixed plate (421).

6. The outdoor isolating fracture with an electrified display of claim 4, wherein: the connection part of the fixing plate (421) and the radiating fins (7) is fixed with a waterproof sealing ring.

7. The outdoor isolating fracture with an electrified display apparatus according to claim 1, wherein: the isolating switch is connected with the capacitor (8) through the first lead (11), and the capacitor (8) is connected with the display component (4) through the second lead (12).