CN214123773U - Plug-in electronic voltage transformer structure suitable for 10kVSF6 pole-mounted circuit breaker - Google Patents

Abstract

The utility model relates to a plug-in electronic voltage transformer structure suitable for 10kVSF6 post-mounted circuit breaker, be applied to SF6 post-mounted circuit breaker's field, it includes the mutual-inductor body, the mutual-inductor body passes through coupling mechanism and links to each other with the circuit breaker body, coupling mechanism includes first insulation end and second insulation end, first insulation end links to each other with the circuit breaker body, the second insulation end links to each other with the mutual-inductor body, be connected with the connecting rod on the lateral wall of first insulation end, be connected with the axostylus axostyle on the second insulation end lateral wall, it is connected with the connecting plate to rotate on the axostylus axostyle, the spread groove has been seted up on the connecting plate, the connecting rod joint is in the spread groove, threaded connection has the go-between on the connecting rod, the go-between contradicts with one side that the connecting plate deviates from first insulation end, the connecting plate contradicts with first insulation end. Through coupling mechanism's setting in this application, when the mutual-inductor body breaks down, the operator can directly pull down the mutual-inductor body in order to change the mutual-inductor body, has reduced the possibility that need take the circuit breaker body apart.

Description

Plug-in electronic voltage transformer structure suitable for 10kVSF6 pole-mounted circuit breaker

Technical Field

The application relates to the field of SF6 pole-mounted circuit breakers, in particular to a plug-in electronic voltage transformer structure suitable for a 10kVSF6 pole-mounted circuit breaker.

Background

Currently, the SF6 pole-mounted circuit breaker refers to a circuit breaker installed and operated on an electric pole and using SF6 gas as an insulating medium. An electronic transformer is a power distribution device consisting of one or more voltage or current sensors connected to a transmission system and to a secondary converter for transmitting quantities proportional to the quantities being measured, to supply measuring instruments, meters and relay protection or control devices. The electronic voltage transformer has the advantages of high measurement precision, strong anti-interference capability, no ferromagnetic resonance defect, small size, light weight and the like, and is widely applied to the 10kVSF6 column circuit breaker.

Chinese patent with publication number CN210296216U discloses a novel 10kVSF6 gas column upper circuit breaker, which comprises a housing and a bracket, wherein a wire inlet sleeve and a wire outlet sleeve are symmetrically installed on two sides of the housing, the right end of the wire inlet sleeve and the left end of the wire outlet sleeve are both located in the housing, an electromagnetic transformer is installed on the right end of the wire inlet sleeve, the electromagnetic transformer is fixed at the movable end of a main shaft in a penetrating manner and fixed by a baffle, an arc extinguish chamber is installed at the left end of the wire outlet sleeve, the main shaft is located between the electromagnetic transformer and the arc extinguish chamber, one end of a shifting fork is movably connected to the main shaft, the main shaft is fixedly connected with the other end of the shifting fork, the main shaft is driven to horizontally move by the swinging of the shifting fork, and an electronic voltage transformer is installed in the housing through a backing plate.

In view of the above-mentioned related technologies, the inventor believes that when the electronic voltage transformer fails, the electronic voltage transformer needs to be replaced after the casing of the circuit breaker is disassembled, and the performance of the circuit breaker is easily damaged in the disassembling process.

SUMMERY OF THE UTILITY MODEL

In order to improve when electronic voltage transformer breaks down, just can change electronic voltage transformer after need unpack the casing of circuit breaker, easily cause the defect of damage to the performance of circuit breaker at the in-process of unpacking apart, this application provides a plug-in electronic voltage transformer structure who is applicable to circuit breaker on 10kVSF6 post.

The application provides a plug-in electronic voltage transformer structure suitable for 10kVSF6 circuit breaker on post adopts following technical scheme:

the utility model provides a plug-in electronic voltage transformer structure suitable for 10kVSF6 post-mounted circuit breaker, includes the mutual-inductor body, the mutual-inductor body passes through coupling mechanism and links to each other with the circuit breaker body, coupling mechanism includes first insulation end and second insulation end, first insulation end links to each other with the circuit breaker body, the second insulation end links to each other with the mutual-inductor body, be connected with the connecting rod on the lateral wall of first insulation end, be connected with the axostylus axostyle on the second insulation end lateral wall, it is connected with the connecting plate to rotate on the axostylus axostyle, the spread groove has been seted up along one side of self length direction to the connecting plate, the connecting rod joint is in the spread groove, threaded connection has the go-between on the connecting rod, the go-between contradicts with one side that the connecting plate deviates from first insulation end, the connecting plate contradicts with first insulation end.

Through adopting above-mentioned technical scheme, when the mutual-inductor body breaks down, the operator unscrews the go-between from the connecting rod, then rotates the connecting plate for connecting plate and connecting rod separation, can remove fixedly with first insulation end and second insulation end, thereby can directly pull down the mutual-inductor body in order to change the mutual-inductor body, reduced the possibility that need take the circuit breaker body apart, thereby reduced the possibility that causes the damage at the in-process of taking apart to the performance of circuit breaker body.

Optionally, the one end that first insulation end deviates from the circuit breaker body is connected with the transversal polygonal locating lever of personally submitting, the second insulation end is seted up towards the one end of circuit breaker body with locating lever matched with constant head tank, the locating lever is pegged graft into the constant head tank.

Through adopting above-mentioned technical scheme, when installing the mutual-inductor body, the operator inserts the locating lever into the positioning groove earlier, can tentatively fix a position the mutual-inductor body, makes things convenient for the operator follow-up with the connecting rod joint in the connecting groove.

Optionally, the shaft lever is sleeved with a torsion spring, one end of the torsion spring is connected with the second insulating end, and the other end of the torsion spring is connected with the connecting plate.

Through adopting above-mentioned technical scheme, during the installation, after the operator loosens the connecting plate, torsional spring elasticity resets, and the torsional spring drives the connecting plate and rotates towards the connecting rod, and until the connecting rod joint in the spread groove, under the spring action of torsional spring, the reducible connecting plate of torsional spring takes place pivoted possibility to reduce the possibility that connecting plate and connecting rod break away from.

Optionally, the connecting mechanism further comprises a locking unit, the locking unit comprises a locking block, the connecting rod is located between the locking block and the connecting plate, a locking rod is connected to the connecting plate, a locking barrel is connected to the locking block in a rotating mode, the locking barrel is sleeved on the locking rod and is in threaded connection with the locking rod, and the locking block is abutted to the connecting rod.

Through adopting above-mentioned technical scheme, the operator is with the connecting rod back of blocking in the spread groove, establishes the locking barrel casing on the check lock lever, restricts the latch segment with one hand to rotate the locking barrel, screw up on the check lock lever until the locking barrel, and latch segment and connecting rod support tightly, the latch segment with the connecting rod restriction in the spread groove, thereby reduce the possibility that the connecting rod breaks away from in the spread groove.

Optionally, a guide rod is connected to the connecting plate, a guide cylinder is connected to the locking block, and the guide cylinder is sleeved on the guide rod and connected with the guide rod in a sliding manner.

Through adopting above-mentioned technical scheme, the operator establishes the locking section of thick bamboo cover on the check lock pole simultaneously, and the guide cylinder also overlaps on the guide bar, then rotates the locking section of thick bamboo, and the locking section of thick bamboo drives the locking piece and removes towards the connecting plate, and the guide cylinder slides towards the connecting plate along the guide bar until the locking piece supports tightly with the connecting rod. The cooperation of guide cylinder and guide bar can play limiting displacement to the latch segment, and reducible operator rotates the latch segment when locking a section of thick bamboo, and the latch segment is along with the possibility of locking a section of thick bamboo pivoted.

Optionally, be equipped with the anticreep subassembly on the guide cylinder, the anticreep subassembly includes dead lever, stationary blade and anticreep piece, dead lever one end links to each other with first insulation end, the dead lever links to each other with the stationary blade, the one end of stationary blade is articulated with the anticreep piece, just the articulated interference fit of anticreep piece and stationary blade, the anticreep groove has been seted up on the guide cylinder lateral wall, the anticreep piece is connected with the anticreep piece with anticreep groove matched with towards one side of guide cylinder, the anticreep piece joint is in the anticreep inslot.

Through adopting above-mentioned technical scheme, locking cylinder easily takes place the pine after long-term the use and takes off the phenomenon and leads to latch segment and connecting rod to break away from. The operator supports the back with the latch segment with the connecting rod, rotates the anticreep piece, until the anticreep piece joint in the anticreep inslot to it is fixed with the anticreep piece with the guide cylinder, thereby fixes the latch segment and first insulation end, reduces the possibility that latch segment and connecting rod break away from.

Optionally, the guide cylinder is located between the anti-release sheet and the fixing sheet, one end of the anti-release sheet far away from the hinged position with the fixing sheet is connected with an extension spring, and one end of the extension spring far away from the anti-release sheet is connected with the fixing sheet.

Through adopting above-mentioned technical scheme, during the installation, the operator will be prevented that the orientation of taking off the piece from keeping away from the direction pulling of stationary blade, then supports the back with latch segment and connecting rod, unclamps the latch segment, and extension spring elasticity resets, drives the anticreep piece and removes towards the connecting rod, until the anticreep piece joint is in anticreep inslot, extension spring has the pulling force effect to the anticreep piece, reducible anticreep piece and the possibility that anticreep groove breaks away from.

Optionally, a locking groove is formed in one side, facing the connecting rod, of the locking block, and the connecting rod is clamped in the locking groove.

Through adopting above-mentioned technical scheme, when the operator contradicts the latch segment with the connecting rod, the connecting rod joint is in the locking groove, and the locking groove is restricted mutually with the connecting rod, has reduced the possibility that the latch segment takes place the displacement for the connecting rod.

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

1. through the arrangement of the connecting mechanism, when the mutual inductor body breaks down, an operator can directly detach the mutual inductor body to replace the mutual inductor body, so that the possibility that the breaker body needs to be detached is reduced;

2. the locking unit can reduce the possibility that the connecting rod is separated from the connecting groove;

3. through the setting of guide bar and guide cylinder, reducible operator rotates a locking cylinder, the possibility that the latch segment rotated along with a locking cylinder.

Drawings

Fig. 1 is a schematic structural diagram of an overall structure of a plug-in electronic voltage transformer structure suitable for a 10kVSF6 pole-mounted circuit breaker according to an embodiment of the present application.

Fig. 2 is a schematic structural view for embodying the positioning rod and the positioning groove in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying the connection mechanism according to the embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a transformer body; 2. a circuit breaker body; 3. a connecting mechanism; 31. a first insulating terminal; 311. positioning a rod; 32. a second insulated end; 321. positioning a groove; 33. a connecting rod; 34. a shaft lever; 341. connecting blocks; 35. a connecting plate; 351. connecting grooves; 36. a connecting ring; 37. a torsion spring; 4. a locking unit; 41. a locking block; 411. a locking groove; 42. a locking lever; 43. a locking cylinder; 44. a guide bar; 45. a guide cylinder; 46. connecting lugs; 47. a base plate; 5. an anti-drop component; 51. fixing the rod; 52. a fixing sheet; 53. an anti-drop sheet; 54. a drop-proof groove; 55. an anti-drop block; 56. an extension spring; 57. and (7) connecting the sheets.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses plug-in electronic voltage transformer structure suitable for 10kVSF6 pole-mounted circuit breaker.

Referring to fig. 1, the plug-in electronic voltage transformer structure suitable for a 10kVSF6 pole-mounted circuit breaker comprises a transformer body 1, wherein the transformer body 1 is detachably connected with the outer wall of a circuit breaker body 2 through a connecting mechanism 3. When the mutual inductor body 1 breaks down, the mutual inductor body 1 can be directly disassembled through operation, and the mutual inductor body 1 is replaced, so that the possibility that the breaker body 2 needs to be disassembled is reduced.

Referring to fig. 2, the connection mechanism 3 includes a first insulation end 31 and a second insulation end 32, the first insulation end 31 is fixedly connected to the circuit breaker body 2, one end of the first insulation end 31 extends into the circuit breaker body 2, the other end extends out of the circuit breaker body 2, and the second insulation end 32 is fixedly connected to the transformer body 1. First insulation end 31 is towards the one end fixedly connected with locating lever 311 of mutual-inductor body 1, and the transversal quadrangle of personally submitting of locating lever 311, and constant head tank 321 has been seted up to the one end that second insulation end 32 deviates from mutual-inductor body 1, and in locating lever 311 pegged graft into constant head tank 321, the terminal surface laminating of first insulation end 31 and second insulation end 32 junction.

Referring to fig. 3, two connecting rods 33 are disposed on the first insulating end 31, the two connecting rods 33 are respectively disposed on two sides of the first insulating end 31, two shaft rods 34 are fixedly connected to two sides of the second insulating end 32, and one shaft rod 34 corresponds to one connecting rod 33. The last rotation of axostylus axostyle 34 is connected with connecting plate 35, and the one end fixedly connected with connecting block 341 that second insulation end 32 was kept away from to axostylus axostyle 34, the cover is equipped with torsional spring 37 on the axostylus axostyle 34, and torsional spring 37 is located between connecting block 341 and the connecting plate 35, torsional spring 37 one end and connecting block 341 fixed connection, the other end and connecting plate 35 fixed connection. Connecting groove 351 has been seted up along self length direction's one side to connecting plate 35, and connecting groove 351 semicircular in shape, and connecting groove 351's camber is unanimous with connecting rod 33, and connecting rod 33 joint is in connecting groove 351. Threaded connection has the go-between 36 on the connecting rod 33, and the go-between 36 contradicts with one side that connecting plate 35 deviates from first insulation end 31, fixedly connected with backing plate 47 on the first insulation end 31, and connecting plate 35 contradicts with one side that backing plate 47 deviates from first insulation end 31.

Referring to fig. 3, during mounting, an operator inserts the positioning rod 311 into the positioning groove 321, and rotates the connecting plate 35 so that the connecting plate 35 is offset from the connecting rod 33 to attach the end surfaces of the first insulating end 31 and the second insulating end 32. An operator loosens the connecting plate 35, the torsion spring 37 elastically resets, the torsion spring 37 drives the connecting plate 35 to rotate until the connecting rod 33 is clamped in the connecting groove 351, then the connecting ring 36 is in threaded connection with the connecting rod 33, the connecting ring 36 is rotated until the connecting ring 36 abuts against the connecting plate 35, and the connecting plate 35 abuts against the backing plate 47, so that the mutual inductor body 1 is installed on the circuit breaker body 2.

Referring to fig. 3 and 4, the coupling mechanism 3 further includes a locking unit 4, and the locking unit 4 includes a locking block 41, a locking cylinder 43, and a guide cylinder 45. The locking block 41 is provided with a locking groove 411 towards one side of the connecting rod 33, and the locking groove 411 is semicircular and has the same curvature as the connecting rod 33. The both ends of latch segment 41 all fixedly connected with engaging lug 46, and engaging lug 46 is provided with two altogether, and locking cylinder 43 rotates with one of them engaging lug 46 to be connected, and guide cylinder 45 and another engaging lug 46 fixed connection. A locking lever 42 and a guide lever 44 are connected to a side of the connecting plate 35 facing the connecting rod 33, and the connecting rod 33 is located between the locking lever 42 and the guide lever 44. The locking cylinder 43 is sleeved on the locking rod 42 and is in threaded connection with the locking rod 42, and the guide cylinder 45 is sleeved on the guide rod 44 and can slide along the guide rod 44.

Referring to fig. 3 and 4, after the operator sleeves the locking cylinder 43 on the locking rod 42 and the guiding cylinder 45 on the guiding rod 44, the locking cylinder 43 is rotated, the locking cylinder 43 drives the locking block 41 to move towards the connecting rod 33 until the connecting rod 33 is clamped in the locking groove 411 and the connecting rod 33 abuts against the locking block 41. The engagement of the guide rod 44 with the guide cylinder 45 reduces the likelihood of rotation of the lock block 41.

Referring to fig. 4, locking unit 4 further includes anticreep subassembly 5, anticreep subassembly 5 includes dead lever 51, stationary blade 52 and anticreep piece 53, the one end and the first insulation end 31 fixed connection of dead lever 51, the other end and stationary blade 52 fixed connection, stationary blade 52 all becomes the arc with anticreep piece 53, stationary blade 52 embraces the outside at guide cylinder 45 with anticreep piece 53, the one end of stationary blade 52 is articulated with anticreep piece 53, and stationary blade 52 is interference fit with anticreep piece 53's articulated department. Fixing piece 52 and anticreep piece 53 keep away from the equal fixedly connected with connection piece 57 of one end of mutual articulated department, are provided with extension spring 56 between two connection pieces 57, and extension spring 56's both ends respectively with two connection pieces 57 fixed connection. Anticreep piece 53 is towards one side fixedly connected with anticreep piece 55 of stationary blade 52, offers on the lateral wall of guide cylinder 45 with anticreep piece 5 matched with anticreep groove 54, guide cylinder 45 is located between stationary blade 52 and anticreep piece 53, and anticreep piece 55 joint is in anticreep groove 54.

Referring to fig. 4, when an operator installs the locking block 41, the anti-release sheet 53 is rotated in a direction away from the fixing sheet 52, at this time, the extension spring 56 is elastically deformed, then the operator installs the locking block 41 on the connecting plate 35 and makes the connecting rod 33 be clamped in the locking groove 411, the operator releases the anti-release sheet 53, the extension spring 56 elastically resets, the extension spring 56 drives the anti-release sheet 53 to move until the anti-release sheet 55 is clamped in the anti-release groove 54, the anti-release sheet 53 can reduce the possibility that the guide cylinder 45 is displaced in a direction away from the connecting plate 35, and therefore the possibility that the locking block 41 is separated from the connecting rod 33 due to the release of the locking cylinder 43 can be reduced. The tension spring 56 acts as a tension to the retaining piece 53, and the possibility of the retaining block 55 disengaging from the retaining groove 5 can be reduced.

The implementation principle of the plug-in electronic voltage transformer structure suitable for the 10kVSF6 pole-mounted circuit breaker in the embodiment of the application is as follows: an operator inserts the positioning rod 311 into the positioning groove 321, clamps the connecting rod 33 in the connecting groove 351, and then screws the connecting ring 36 to complete the initial installation; the operator is with a locking section of thick bamboo 43 and locking lever 42 threaded connection, and guide cylinder 45 cover is established on guide bar 44 to rotating a locking section of thick bamboo 43 until connecting rod 33 joint in locking groove 411, then loosening anticreep piece 53, make anticreep piece 55 joint in anticreep groove 54, can will accomplish the installation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a plug-in electronic voltage transformer structure suitable for 10kVSF6 circuit breaker on post which characterized in that: the transformer comprises a transformer body (1), the transformer body (1) is connected with a breaker body (2) through a connecting mechanism (3), the connecting mechanism (3) comprises a first insulating end (31) and a second insulating end (32), the first insulating end (31) is connected with the breaker body (2), the second insulating end (32) is connected with the transformer body (1), a connecting rod (33) is connected onto the side wall of the first insulating end (31), a shaft lever (34) is connected onto the side wall of the second insulating end (32), a connecting plate (35) is rotatably connected onto the shaft lever (34), a connecting groove (351) is formed in one side of the connecting plate (35) along the length direction of the connecting plate, the connecting rod (33) is clamped in the connecting groove (351), a connecting ring (36) is connected onto the connecting rod (33) in a threaded manner, and the connecting ring (36) is abutted to one side of the connecting plate (35) departing from the first insulating end (31), the connecting plate (35) abuts against the first insulating end (31).

2. The pluggable electronic voltage transformer structure suitable for the 10kVSF6 pole-mounted circuit breaker according to claim 1, wherein: one end that first insulation end (31) deviates from circuit breaker body (2) is connected with transversal polygonal locating lever (311) of personally submitting, second insulation end (32) are seted up towards the one end of circuit breaker body (2) and are seted up locating slot (321) with locating lever (311) matched with, locating lever (311) are pegged graft into in locating slot (321).

3. The pluggable electronic voltage transformer structure suitable for the 10kVSF6 pole-mounted circuit breaker according to claim 1, wherein: the sleeve is equipped with torsional spring (37) on axostylus axostyle (34), torsional spring (37) one end links to each other with second insulation end (32), the other end with connecting plate (35) link to each other.

4. The pluggable electronic voltage transformer structure suitable for the 10kVSF6 pole-mounted circuit breaker according to claim 1, wherein: coupling mechanism (3) still include locking unit (4), locking unit (4) are including latch segment (41), connecting rod (33) are located between latch segment (41) and connecting plate (35), be connected with check lock lever (42) on connecting plate (35), it is connected with a locking section of thick bamboo (43) to rotate on latch segment (41), a locking section of thick bamboo (43) cover establish on check lock lever (42) and with check lock lever (42) threaded connection, latch segment (41) are contradicted with connecting rod (33).

5. The pluggable electronic voltage transformer structure suitable for 10kVSF6 pole-mounted circuit breaker according to claim 4, wherein: the connecting plate (35) is connected with a guide rod (44), the locking block (41) is connected with a guide cylinder (45), and the guide cylinder (45) is sleeved on the guide rod (44) and is connected with the guide rod (44) in a sliding mode.

6. The pluggable electronic voltage transformer structure suitable for 10kVSF6 pole-mounted circuit breaker according to claim 5, wherein: be equipped with anticreep subassembly (5) on guide cylinder (45), anticreep subassembly (5) are including dead lever (51), stationary blade (52) and anticreep piece (53), dead lever (51) one end links to each other with first insulation end (31), dead lever (51) link to each other with stationary blade (52), the one end of stationary blade (52) with anticreep piece (53) articulated and with anticreep piece (53) interference fit, anticreep groove (54) have been seted up on guide cylinder (45) lateral wall, anticreep piece (53) are connected with anticreep piece (55) with anticreep groove (54) matched with towards one side of guide cylinder (45), anticreep piece (55) joint is in anticreep groove (54).

7. The pluggable electronic voltage transformer structure suitable for 10kVSF6 pole-mounted circuit breaker according to claim 6, wherein: the guide cylinder (45) is located between the anti-falling sheet (53) and the fixing sheet (52), one end, far away from the hinge joint with the fixing sheet (52), of the anti-falling sheet (53) is connected with an extension spring (56), and one end, far away from the anti-falling sheet (53), of the extension spring (56) is connected with the fixing sheet (52).

8. The pluggable electronic voltage transformer structure suitable for 10kVSF6 pole-mounted circuit breaker according to claim 4, wherein: locking groove (411) have been seted up towards one side of connecting rod (33) in latch segment (41), connecting rod (33) joint is in locking groove (411).

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