CN112768313A - Stably-disconnected reclosing switch - Google Patents

Abstract

The invention discloses a stable breaking reclosing switch which adopts the technical scheme that the stable breaking reclosing switch comprises a switch body positioned in a brake body, wherein the switch body comprises a driving mechanism, a limiting mechanism and a touch piece, the driving mechanism comprises a driving source, a pushing component, a transmission piece and a resetting driving piece, the transmission piece is connected with the control piece and the pushing component, the driving source is used for providing driving force for the pushing component to carry out closing movement, the pushing component drives the touch piece to carry out closing movement through the transmission piece, the limiting mechanism comprises a limiting fastener, a pressing piece and a limiting elastic piece, the pushing component is in pressing contact with the pressing piece, so that the limiting elastic piece is pressed and deformed to drive the limiting fastener to limit the pushing component, and the resetting driving piece provides opening power for driving the moving contact piece to open the. The stably-disconnected reclosing switch has the advantages that the reclosing operation can be quickly responded and stably carried out, so that the reclosing operation can be quickly responded when the reclosing is carried out, and the effect of improving the use safety of the whole reclosing switch is achieved.

Description

Stably-disconnected reclosing switch

Technical Field

The invention relates to the technical field of electrical safety, in particular to a reclosing switch with stable breaking.

Background

The electric leakage reclosing switch in the traditional power distribution network, namely a plastic shell switch, realizes opening and closing by a multi-link mechanism in the plastic shell switch, has a complex structure and poor reliability, has higher failure rate in use, and consumes a lot of products in maintenance and replacement, so that a lot of defects exist in practical power distribution application.

The prior Chinese patent with publication number CN211150463U discloses a reclosing mechanism of an electric switch, which comprises a motor, a main gear, a connecting rod assembly, an impeller, a manual opening and closing screw and a slave gear, wherein the motor is fixed on a circuit breaker cover, the main gear is arranged on a shaft of the motor through a one-way bearing, and the slave gear is rotationally arranged on the circuit breaker cover; one end of the connecting rod assembly is linked with a breaker handle of the breaker mechanism, and the other end of the connecting rod assembly is eccentrically arranged on the driven gear and is linked with the driven gear; the main gear is further eccentrically provided with a first screw, the manual opening and closing screw penetrates through the circuit breaker cover and then is fixed with the impeller, the manual opening and closing screw drives the impeller to rotate, and the impeller abuts against the first screw to drive the main gear to rotate.

Although the reclosing mechanism can perform opening and closing operations in the using process, when the reclosing and the opening are performed, the connecting rod assembly is driven through the gear combination to realize the opening and closing operations, so that the response speed is slow, the opening and closing operations cannot be performed quickly, effectively and stably when the opening and closing operations are required to be performed quickly and stably, and safety accidents are caused easily.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a stably-disconnected reclosing switch, which can quickly respond and stably perform switching-on and switching-off operations, so that the switching-on and switching-off operations can be quickly responded, and the effect of improving the use safety of the whole reclosing switch is achieved.

In order to achieve the purpose, the invention provides the following technical scheme:

a reclosing switch with stable breaking comprises a switch body located in a switch body, wherein a frame body used for fixing the switch body is further arranged in the switch body, and the switch body comprises a driving mechanism, a limiting mechanism, a binding mechanism and a touch control piece;

the driving mechanism comprises a driving source, a pushing component, a transmission component and a resetting driving component, the driving source is arranged on the frame body, the pushing component is connected with the driving source, the transmission component is connected with the contact control component and the pushing component, the driving source is used for providing a driving force for the pushing component to push the touch control component to perform closing motion, the resetting driving component is connected with the contact control component and the frame body, when the pushing component drives the touch control component to perform closing motion, the resetting driving component is in a power storage state, and the resetting driving component provides a driving force for driving the touch control component to perform opening and resetting motion;

the limiting mechanism comprises a limiting fastener, a pressing part and a limiting elastic part, the limiting fastener is arranged on the frame body, the pressing part is arranged on the limiting fastener, the limiting elastic part is connected with the pressing part and the limiting fastener, one end, far away from the driving source, of the pushing component penetrates into the limiting fastener, when the pushing component drives the movable contact part to switch on, the pushing component is in press contact with the pressing part, the limiting elastic part is deformed under pressure to store force, the limiting fastener limits the pushing component, and the limiting elastic part is used for providing elastic force when the limiting fastener limits the pushing component or relieves limiting;

the constraint mechanism comprises an anti-disengaging fastener and a tripping power part, the anti-disengaging fastener is arranged on the support body, the limiting fastener is used for limiting the pushing component, the limiting fastener is pressed with the anti-disengaging fastener, the anti-disengaging fastener is used for limiting the limiting fastener, the tripping power part is arranged on the support body, the tripping power part is used for pulling the anti-disengaging fastener to separate from the limiting fastener, when the anti-disengaging fastener is separated from the limiting fastener, the limiting elastic part releases elastic force to drive the limiting fastener to separate from the pushing component, the resetting driving part releases elastic force to drive the touch part to separate from a brake, and the touch part drives the pushing component to reset.

As a further improvement of the invention, the pushing member comprises a direct-acting pushing piece and a guide piece, the frame body is also provided with the guide piece, the direct-acting pushing piece is arranged in the guide piece in a penetrating mode, the guide piece and the direct-acting pushing piece are vertically arranged, the frame body is provided with a moving groove for the guide piece to move, the opening direction of the moving groove is consistent with the moving direction of the direct-acting pushing piece, and the transmission piece is connected with the guide piece.

As a further improvement of the invention, the limiting fastener comprises a limiting frame and a bayonet lock connected with the limiting frame, the limiting frame is connected with the frame body through a connecting piece, the direct-acting pushing piece is arranged between the bayonet lock and the pressing piece, a pin slot for buckling the bayonet lock is formed in the direct-acting pushing piece, the axis of the bayonet lock is perpendicular to the moving direction of the direct-acting pushing piece, a pressing protrusion for pressing the pressing piece is arranged on one side of the direct-acting pushing piece, which is far away from the pin slot, the pressing protrusion presses the pressing piece when the direct-acting pushing piece drives the touch piece to perform closing motion, the limiting elastic piece is deformed under pressure and stores force, and when the direct-acting pushing piece moves to the position of the bayonet lock, the limiting elastic piece releases elastic force to drive the bayonet lock to be buckled into the pin slot.

As a further improvement of the invention, the pressing member includes a flat guide portion and a tongue portion connected with the flat guide portion, a positioning member connected with the flat guide portion is arranged in the limiting frame, an axis of the positioning member is perpendicular to a moving direction of the linear motion propelling member, and the tongue portion is bent toward the linear motion propelling member.

As a further improvement of the invention, the limiting elastic part comprises a connecting part, a power storage winding part and a press-contacting part, both sides of the press-contacting part are connected with the power storage winding part, one side of the power storage winding part, which is far away from the press-contacting part, is connected with the connecting part, the connecting part is connected with the limiting frame, the power storage winding part is wound on the positioning part, and the press-contacting part is abutted against one side of the press-moving part, which is far away from the direct-moving propelling part.

As a further improvement of the invention, the anti-drop fastener comprises a fastener body, an ear fastener and a transmission seat, wherein the fastener body is provided with a through hole for the direct-acting propelling piece to penetrate through, both sides of the fastener body are connected with the transmission seat, the frame body is provided with a fixing piece connected with the fixed transmission seat, the axis of the fixing piece is vertical to the moving direction of the direct-acting propelling piece, and the ear fastener is connected with one side of the fastener body;

when the limiting fastener is limited to the direct-acting propelling part, the limiting fastener is pressed on the transmission seat, the buckle body rotates along the axis direction of the fixing part, and the ear buckle is buckled with the limiting fastener.

As a further improvement of the invention, the tripping power part comprises a tripping power source, a moving part, a pulling part and a tripping elastic part, the tripping power source is arranged on the frame body, the moving part is connected with the tripping power source, the pulling part is connected with the end part of the moving part far away from the tripping power source, one end of the buckle body, which is far away from the ear buckle, is provided with a clamping groove for the moving part to penetrate through, the diameter of the pulling part is larger than that of the clamping groove, the tripping elastic part is sleeved on the moving part, one end of the tripping elastic part is connected with the buckle body, and the other end of the tripping elastic part is connected with the.

As a further improvement of the invention, the brake body comprises a brake base and a brake shell covering the brake base, the switch body is arranged on the brake base, the switch body further comprises a manual control mechanism, the manual control mechanism comprises a manual control part, a rotating part, a tripping bushing, a positioning disc and a wave screw, the rotating part is arranged in a frame body in a penetrating manner, the tripping bushing is sleeved on the rotating part, one end of the rotating part penetrates through the frame body, the manual control part is connected with one end of the rotating part penetrating through the frame body, the outer wall of the frame body is also provided with a positioning seat, the wave screw is arranged in the positioning seat in a penetrating manner, the positioning disc is connected with the rotating part, the positioning disc is provided with a closing limiting groove and an opening limiting groove, the brake shell is provided with a manual control groove, and the end part of the manual control part, which;

when the manual control is located at a switching-on position, the wave screw is abutted against the switching-on limiting groove and fixes the rotating part, and the tripping bushing is not contacted with the anti-tripping fastener;

when the hand control piece moves towards the opening position along the hand control groove, the wave screw is separated from the closing limiting groove, the rotating piece drives the tripping bushing conflict anti-disengaging fastener to be separated from the limiting fastener, and when the hand control piece moves to the opening position, the wave screw conflicts with the opening limiting groove and fixes the rotating piece.

As a further improvement of the invention, the frame body is further provided with an indicating mechanism, the indicating mechanism comprises an indicating piece and a reset elastic piece, the frame body is provided with a rotating shaft connected with the indicating piece, the reset elastic piece is sleeved on the rotating shaft and connected with the indicating piece, and the indicating piece is used for indicating the switching-on or switching-off state.

As a further improvement of the invention, the switch body further comprises a short-circuit protection mechanism, the short-circuit protection mechanism comprises a short-circuit protection element, a contact element, a position control element and a return elastic element, the position control element is connected with the frame body, the contact element is connected with the short-circuit protection element, one end of the return elastic element is connected with the frame body, the other end of the return elastic element is connected with the position control element, when the short-circuit protection element detects a short circuit, the contact element generates electromagnetic force to push the position control element to rotate, and the position control element pushes the anti-falling component to be separated from the limit fastener.

The invention has the beneficial effects that: the driving force when the pushing member is switched on and moved is provided under the action of the driving source, the pushing member drives the movable contact control to be switched on and contacted through the transmission piece during the switching-on motion, the switching-on motion of the pushing member simultaneously drives the reset driving piece to store force, the reset driving piece is provided with elastic force for driving the movable contact control to be switched off and moved, the limiting and fixing of the pushing member are realized under the action of the limiting mechanism, under the buckling effect of the anti-disengaging fastener and the limiting fastener, the overall structure can rapidly respond to the switching-on and keep stable switching-on, the anti-disengaging fastener and the limiting fastener are driven to be separated from under the action of the tripping power piece, the overall limiting is removed, the elastic force is released by the reset driving piece, the movable contact control is driven to be switched off and moved, the rapid response switching-off and the stable switching-off are achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of a reclosing switch;

FIG. 2 is a schematic view of the overall structure of the switch body;

FIG. 3 is a schematic structural view of a switch body embodying a limit mechanism;

FIG. 4 is a schematic cross-sectional view of a drive mechanism and a spacing mechanism;

FIG. 5 is a schematic view showing the driving mechanism, the limiting fastener and the anti-slip fastener;

FIG. 6 is a schematic view of a partial section showing a positioning manner of a manual control mechanism;

FIG. 7 is a schematic view of a spacing fastener;

FIG. 8 is a schematic view showing the structure of a position-limiting elastic member of the position-limiting fastener;

FIG. 9 is a schematic cross-sectional view of the limiting elastic member and the pressing member;

fig. 10 is a schematic structural view of the buckle body.

Reference numerals: 1. a gate body; 11. a brake seat; 12. a brake shell; 13. a manual control groove; 14. an indication groove; 2. a switch body; 21. a frame body; 22. a touch control piece; 23. a guide plate; 24. a moving groove; 25. positioning seats; 3. a drive mechanism; 31. a drive source; 32. a pushing member; 321. a linear motion propulsion member; 322. a guide member; 323. a pin slot; 324. pressing the protrusion; 33. a transmission member; 34. resetting the driving member; 4. a limiting mechanism; 41. a limiting fastener; 411. a limiting frame; 412. a bayonet lock; 413. a connecting member; 414. a positioning member; 42. a pressing piece; 421. a flat guide part; 422. warping the tongue part; 43. a limiting elastic part; 431. a connecting portion; 432. a power storage winding part; 433. a press-contact portion; 5. a binding mechanism; 51. an anti-drop fastener; 511. a buckle body; 512. ear buckles; 513. a transmission seat; 514. an outlet hole is formed; 515. a fixing member; 516. a card slot; 52. tripping the power part; 521. tripping a power source; 522. a moving part; 523. a pulling part; 524. tripping the elastic piece; 6. a manual control mechanism; 61. a hand control; 62. a rotating member; 63. a trip bushing; 64. positioning a plate; 641. closing a limiting groove; 642. a brake separating limit groove; 643. a touch control protrusion; 65. a wave screw; 7. an indication mechanism; 71. an indicator; 72. a restoring elastic member; 73. a rotating shaft; 8. a short circuit protection mechanism; 81. a short circuit protection member; 82. a contact piece; 83. a position control member; 84. a return elastic member; 9. an electronic control module; 91. a controller; 92. a first micro-control switch; 93. a second micro-control switch; 94. and a third micro-control switch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 4, a reclosing switch with stable breaking according to a specific embodiment of the present invention includes a switch body 2 located in a switch body 1, the switch body 1 includes a switch base 11 and a switch housing 12 covering the switch base 11, a frame 21 for connecting the switch body 2 with the switch base 11 is disposed in the switch base 11, a plurality of contacts are further disposed in the switch base 11, the switch body 2 includes a driving mechanism 3, a limiting mechanism 4, a constraining mechanism 5 and a touch control member 22, the touch control member 22 is provided with a plurality of contact rods for contacting and conducting with the plurality of contacts, the driving mechanism 3 is used for driving the touch control member 22 to perform a closing or opening motion, the limiting mechanism 4 is used for limiting the driving mechanism 3, and the constraining mechanism 5 is used for limiting the limiting mechanism 4, so that the switching on or opening motion can be stably maintained as a whole.

Referring to fig. 2 to 5, the driving mechanism 3 includes a driving source 31, a pushing member 32, a transmission member 33 and a resetting driving member 34, the resetting driving member 34 is selected to be a hook spring, the driving source 31 is disposed on the frame body 21, the driving source 31 is selected to be an electromagnet, the pushing member 32 includes a linear motion pushing member 321 and a guide member 322, a guide plate 23 is disposed in the frame body 21, the linear motion pushing member 321 is inserted into the guide plate 23, one end of the linear motion pushing member 321 is connected to the driving source 31, the guide member 322 is disposed perpendicular to the linear motion pushing member 321, moving grooves 24 for moving the guide member 322 are further formed on two sides of the frame body 21, and the forming direction of the moving grooves 24 is consistent with the moving direction of the linear motion pushing member 321, so that when the linear motion pushing member 321 moves, the guide member 322 is driven to; the transmission part 33 is of a double-connecting-rod crank structure, the transmission part 33 is connected with the guide part 322 and the touch part 22, so that when the driving source 31 pushes the direct-acting propelling part 321 to move, the direct-acting propelling part 22 can be driven to switch on or switch off, one end of the reset driving part 34 is connected with the touch part 22, the other end of the reset driving part is connected with the guide plate 23, the reset driving part 34 and the direct-acting propelling part 321 are obliquely arranged, when the direct-acting propelling part 321 switches on and moves, the reset driving part 34 is subjected to external force expansion and accumulation to accumulate force, when the brake is required to be switched off, the reset driving part 34 releases elastic force to drive the direct-acting propelling part 321 to switch off and reset.

Referring to fig. 2 to 9, the limiting mechanism 4 includes a limiting fastener 41, a pressing member 42 and a limiting elastic member 43, the limiting fastener 41 includes a limiting frame 411 and a detent 412 connected to the limiting frame 411, the pressing member 42 is connected to the limiting frame 411 through a positioning member 414, so that the pressing member 42 can rotate along an axial direction of the positioning member 414, the limiting frame 411 is connected to the frame body 21 through a connecting member 413, the connecting member 413 is a screw with one end without a thread, so that the limiting frame 411 can rotate around an axial line of the connecting member 413, one end of the linear motion pushing member 321, which is far away from the driving source 31, penetrates through the limiting frame 411 and is located between the detent 412 and the pressing member 42, a pin slot 323 for the detent 412 to be fastened is formed on the linear motion pushing member 321, and a pressing protrusion 324 for pressing the pressing member 42 is arranged on one side of the linear motion pushing member 321, which is far away from the pin;

the pressing piece 42 comprises a flat guide part 421 and a raised tongue part 422 connected with the flat guide part 421, the positioning piece 414 connects the flat guide part 421 with the limiting frame 411, the raised tongue part 422 bends towards one side of the linear propelling piece 321, the limiting elastic piece 43 comprises a connecting part 431, a power accumulation winding part 432 and a pressure contact part 433, both sides of the pressure contact part 433 are connected with the power accumulation winding part 432, one side of the power accumulation winding part 432, which is far away from the pressure contact part 433, is connected with the connecting part 431, the connecting part 431 is connected with the limiting frame 411, the power accumulation winding part 432 is wound on the positioning piece 414, the pressure contact part 433 is abutted against one side of the pressing piece 42, which is far away from the linear propelling piece 321, and the axes of the bayonet pin 412, the connecting piece 413 and the positioning piece 414 are all arranged vertically to the moving direction of the linear propelling;

when the linear driving member 321 performs a closing motion, when the linear driving member 321 moves along the flat guide portion 421, the limiting elastic member 43 is not compressed by an external force, the limiting frame 411 is located at the original position, when the pressing protrusion 324 on the linear driving member 321 moves to the tongue-raising portion 422, the pressing protrusion abuts against the tongue-raising portion 422, so that the tongue-raising portion 422 rotates around the axis of the positioning member 414, the limiting elastic member 43 deforms under a pressure while the tongue-raising portion 422 rotates, the limiting frame 411 has a tendency of driving the detent 412 to rotate toward the linear driving member 321, when the linear driving member 321 moves to the position where the slot corresponds to the detent 412, the limiting elastic member 43 releases an elastic force, thereby driving the detent 412 to be buckled with the detent 323, and achieving an effect of limiting and fixing the linear driving member 321.

Referring to fig. 1 to 4, an indicating mechanism 7 is further disposed on the frame body 21, the indicating mechanism 7 includes an indicating member 71 and a restoring elastic member 72, a rotating shaft 73 connected to the indicating member 71 is disposed on the frame body 21, the restoring elastic member 72 is a torsion spring, the restoring elastic member 72 is sleeved on the rotating shaft 73 and connected to the indicating member 71, an indicating slot 14 is disposed on the brake shell 12, the indicating member 71 is located at the indicating slot 14, when the direct-acting pushing member 321 maintains the opening state, an end of the direct-acting pushing member 321 away from the driving source 31 abuts against the indicating member 71, and the restoring elastic member 72 is in a compressed and power-stored state, and the opening state can be determined by the indicating slot 14; when the linear motion pushing element 321 drives the touch control element 22 to complete the closing, the linear motion pushing element 321 is separated from the indicating element 71, the reset elastic element 72 releases the elastic force, the indicating element 71 rotates to the closing indicating position around the rotating shaft 73, and the entire closing state can be determined through the indicating slot 14.

Referring to fig. 3 and 4, the switch body 2 further includes an electronic control module 9, the electronic control module 9 includes a controller 91 and a first micro-control switch 92, the controller 91 is disposed in the frame body 21 and electrically connected to the driving source 31, a pressing sheet for pressing the first micro-control switch 92 is further disposed on the limiting frame 411, when the linear motion pushing member 321 is in the open state, the pressing sheet presses the first micro-control switch 92, the controller 91 performs power-off processing on the driving source 31, so that the electromagnet does not provide electromagnetic force for pulling the linear motion pushing member 321 to perform the closing motion, thereby maintaining the stable open state.

Referring to fig. 3, 4, 5 and 10, the binding mechanism 5 includes an anti-falling fastener 51 and a tripping power element 52, the anti-falling fastener 51 includes a buckle body 511, an ear buckle 512 and a transmission seat 513, a through hole 514 for the linear motion pushing element 321 to penetrate is formed on the buckle body 511, so that the linear motion pushing element 321 is not easy to drive the buckle body 511 to move when performing closing movement, the transmission seats 513 are connected to both sides of the buckle body 511, a fixing element 515 connected to the transmission seat 513 is disposed on the frame body 21, an axis of the fixing element 515 is perpendicular to a moving direction of the linear motion pushing element 321, the buckle body 511 can rotate along an axis of the fixing element 515, the ear buckle 512 is connected to one side of the buckle body 511, the buckle body 511 and the linear motion pushing element 321 are inclined in an initial state, when the limit frame 411 drives the bayonet 412 to be buckled to the keyway 323, the limit frame 411 further acts on the transmission seat 513, so that when the bayonet 412 is buckled to the keyway 323, the ear buckle 512 is buckled to, at this time, the buckle body 511 is perpendicular to the linear motion pushing piece 321, so that the limiting fixing of the limiting frame 411 is realized, the limiting frame 411 is difficult to reset, the linear motion pushing piece 321 is difficult to keep at a switching-on position, and the whole can maintain a stable switching-on state.

Referring to fig. 3, 5 and 10, the trip power member 52 includes a trip power source 521, a moving portion 522, a pulling portion 523 and a trip elastic member 524, the trip power source 521 is connected to the frame body 21, the trip power source 521 is selected as an electromagnet, the moving portion 522 is connected to the trip power source 521, the pulling portion 523 is connected to an end of the moving portion 522 away from the trip power source 521, a slot 517 for the moving portion 522 to penetrate through is formed at an end of the buckle body 511 away from the ear buckle 512, the slot 517 is adapted to the moving portion 522, a diameter of the pulling portion 523 is greater than a slot width of the slot 517, an end of the buckle body 511 where the slot 517 is formed is located between the pulling portion 523 and the trip power source 521, the trip elastic member 524 is selected as a spring, the trip elastic member 524 is sleeved outside the moving portion, one end of the trip elastic member 524 is connected to the trip power source 521, the other end is connected to the buckle body, the tripping elastic piece 524 is in an original long state, and when the buckle body 511 is buckled and limited with the limiting frame 411, the tripping elastic piece 524 is in a stretching and force-storing state; when the brake is required to be opened, the electromagnetic force is provided by the tripping power source 521, the pulling part 523 is driven to pull the buckle body 511 to be separated from the limiting frame 411, the tripping elastic piece 524 releases the elastic force to drive the buckle body 511 to reset rapidly, so that the limiting on the limiting frame 411 is released, the limiting frame 411 drives the bayonet 412 to be separated from the pin groove 323 under the action of the limiting elastic piece 43, the limiting on the direct-acting propelling piece 321 is released, the resetting driving piece 34 releases the elastic force, the moving contact control piece 22 is driven to perform the brake opening movement, the brake opening of the direct-acting propelling piece 321 is driven to reset through the transmission piece 33, so that the rapid response brake opening is realized, and the stable brake opening state is kept.

Referring to fig. 2 to 6, a manual control mechanism 6 is further disposed in the switch body 2, the manual control mechanism 6 includes a manual control element 61, a rotating element 62, a trip bushing 63, a positioning disc 64, and a wave screw 65, the wave screw 65 is a prior art, and the principle of the wave screw 65 is not described herein again; the rotating part 62 is arranged in the frame body 21 in a penetrating manner, the cross section of the rotating part 62 is polygonal, preferably hexagonal, the tripping bushing 63 is sleeved on the rotating part 62, because the cross section of the rotating part 62 is hexagonal, when the rotating part 62 drives the tripping bushing 63 to rotate, the tripping bushing 63 and the rotating part 62 are not easy to rotate relatively, the tripping bushing 63 comprises a sleeve body and a cam fixedly arranged on the outer wall of the sleeve body, one end of the rotating part 62 penetrates through the frame body 21, the hand control part 61 is connected with one end of the rotating part 62 penetrating through the frame body 21, the brake shell 12 is provided with a hand control groove 13, one end of the hand control part 61 far away from the rotating part 62 penetrates through the hand control groove 13, the outer wall of the frame body 21 is further provided with a positioning seat 25, a wave screw 65 penetrates through the positioning seat 25, the rotating;

when the manual control element 61 is located at the switching-on position of the manual control groove 13, the wave screw 65 abuts against the switching-on limiting groove 641 and fixes the rotating element 62, and at this time, the tripping bushing 63 does not abut against the tripping-preventing fastener 51;

when manual brake opening is needed, the manual control groove 13 drives the manual control element 61 to move towards the brake opening position along the manual control groove 13, when brake opening is carried out, the wave screw 65 is separated from the closing limiting groove 641, the rotating element 62 drives the tripping bushing 63 to rotate, so that the cam on the tripping bushing 63 can abut against the buckle body 511, the buckle body 511 is driven to trip from the limiting frame 411, when the buckle body 511 is tripped from the limiting frame 411, the wave screw 65 abuts against the brake opening limiting groove 642, the rotating element 62 is fixed, and stable manual brake opening is achieved.

Referring to fig. 2 to 6, the electronic control module 9 further includes a second micro-control switch 93, the second micro-control switch 93 is disposed on the side frame body 21 through which the rotating member 62 passes and electrically connected to the controller 91, a touch protrusion 643 for pressing the second micro-control switch 93 is further disposed on an outer wall of the positioning plate 64, and when the wave screw 65 collides with the closing limiting groove 641, the touch protrusion 643 is not in contact with the second micro-control switch 93; when the rotating member 62 is driven to rotate by the rotating hand control member 61, the touch protrusion 643 on the positioning plate 64 gradually rotates toward the second micro-control switch 93, and when the wave screw 65 collides with the opening limiting groove 642, the touch protrusion 643 presses the second micro-control switch 93, so that the controller 91 cuts off the power of the driving source 31, and stable opening during manual opening is realized.

Referring to fig. 2 and 3, the switch body 2 further includes a short-circuit protection mechanism 8, the short-circuit protection mechanism 8 includes a short-circuit protection member 81, a contact 82, a position control member 83 and a return elastic member 84, the short-circuit protection member 81 is disposed on the gate base 11, the position control member 83 is connected to the frame body 21, the contact 82 is connected to the short-circuit protection member 81, one end of the contact 82, which is far away from the short-circuit protection member 81, is in contact with the position control member 83, the position control member 83 is an insulating member, the return elastic member 84 is selected to be a hook spring, one end of the return elastic member 84 is connected to the frame body 21, and the other end of the return elastic member is;

when the short-circuit protection member 81 detects a short circuit, the contact member 82 generates electromagnetic force to push the position control member 83 to rotate, and the position control member 83 pushes the buckle body 511 to be tripped with the position limiting frame 411, so that the whole reclosing switch can quickly respond and open the switch in the short circuit, and the use safety of the whole reclosing switch is improved;

the electronic control module 9 further includes a third micro-control switch 94, the third micro-control switch 94 is connected with the frame body 21 and electrically connected with the controller 91, when the switch body 2 normally works, the position control member 83 is at the initial position, and the position control member 83 does not press the third micro-control switch 94; when short circuit occurs, the contact piece 82 pushes the position control piece 83 to rotate, and the position control piece 83 presses the third micro-control switch 94, so that the controller 91 cuts off the power of the driving source 31, and stable opening during short circuit protection is realized.

The working principle and the effect are as follows: in the initial state: the reset driving element 34 is kept as it is, the driving source 31 does not provide a closing driving force, the direct-acting propelling element 321 is inserted into the anti-drop element, the touch element 22 is at a switch-off position, the limiting elastic element 43 is at an original length state, the ear clip 512 on the clip body 511 is not clipped with the limiting frame 411, the releasing elastic element 524 is at an original length state, and the releasing power element 52 does not provide a releasing pulling force;

when the switch-on is needed, the driving source 31 provides the linear motion pushing element 321 to move along the guide plate 23, and the driving element 33 drives the touch control element 22 to perform the switch-on motion, when the linear motion pushing element 321 moves, the pressing and contacting protrusion 324 on the linear motion pushing element 321 acts on the tongue raising portion 422 on the pressing element 42, so that the downward pressing tongue raising portion 422 drives the limiting elastic element 43 to gradually accumulate force, and the limiting frame 411 has the downward pressing trend under the action of the limiting elastic element 43; when the pin slot 323 on the linear motion propelling part 321 moves to a position corresponding to the position of the bayonet pin 412 on the limiting frame 411, the limiting frame 411 drives the bayonet pin 412 to press down into the pin slot 323, so that the limiting of the linear motion propelling part 321 is realized, and at the moment, the touch control part 22 completes the closing action; meanwhile, when the limit frame 411 drives the bayonet 412 to be pressed down into the pin slot 323, the limit frame 411 acts on a rotating seat connected with the buckle body 511 to provide a downward force for driving the buckle body 511 to rotate along the axis of the fixing part 515, so that when the bayonet 412 is clamped with the pin slot 323, the ear buckle 512 is buckled with the limit frame 411, the anti-falling limit of the limit mechanism 4 and the direct-acting propelling part 321 is realized under the action of the anti-falling fastener 51, the touch control part 22 can keep a stable closing state, at the moment, the reset driving part 34 is in a stressed stretching state, the trend of driving the touch control part 22 to reset is provided, the overall response is fast, the overall structure is stable, the closing state can be stably kept, and the safety of the overall switch during use is improved;

when the brake is required to be switched off, the electromagnetic force is provided by the tripping power source 521 to drive the tripping power element 52 to move, the buckle body 511 is pulled to reset and rotate along the axis of the fixing element 515 under the action of the tripping power element 52, so that the ear buckle 512 is separated from the limit frame 411, the limit buckle connection of the limit frame 411 is released by the ear buckle 512, the limit frame 411 resets under the action of the limit elastic element 43, the bayonet pin 412 is driven to be separated from the pin groove 323, so that the limit of the direct-acting propelling element 321 is released, meanwhile, the reset driving element 34 releases the elastic force to drive the movable contact element 22 to reset, the direct-acting propelling element 321 is driven to reset and move under the action of the transmission element 33, and the quick and efficient response brake;

through the short-circuit protection mechanism 8, when short circuit occurs, quick response can be realized, and quick and stable brake opening movement is realized, so that the whole switch body 2 is protected; under the action of the manual control mechanism 6, when active switching-off or switching-on is required, the manual control part 61 is pulled to move, so that switching-off or switching-on can be rapidly and stably realized; the switch body 2 can be quickly responded when switching on or switching off, stable switching on or switching off states can be kept, the use safety of the whole switch is improved, the switching off or switching on states of the switch body 2 can be clearly and accurately known through the arranged indicating mechanism 7, and the safe use of the switch body 2 is further ensured.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. The utility model provides a stable disconnected reclosing switch which characterized in that: the switch comprises a switch body (2) positioned in a switch body (1), wherein a frame body (21) used for fixing the switch body (2) is also arranged in the switch body (1), and the switch body (2) comprises a driving mechanism (3), a limiting mechanism (4), a binding mechanism (5) and a touch control piece (22);

the driving mechanism (3) comprises a driving source (31), a pushing member (32), a transmission piece (33) and a resetting driving piece (34), the driving source (31) is arranged on the frame body (21), the pushing member (32) is connected with the driving source (31), the transmission piece (33) is connected with the contact control piece (22) and the pushing member (32), the driving source (31) is used for providing a driving force for the pushing member (32) to push the contact control piece (22) to perform closing movement, the resetting driving piece (34) is connected with the contact control piece (22) and the frame body (21), when the pushing member (32) drives the contact control piece (22) to perform closing movement, the resetting driving piece (34) is in a force accumulation state, and the resetting driving piece (34) provides a driving force for the driving control piece (22) to perform opening and resetting movement;

the limiting mechanism (4) comprises a limiting fastener (41), a pressing piece (42) and a limiting elastic piece (43), the limiting fastener (41) is arranged on the frame body (21), the pressing piece (42) is arranged on the limiting fastener (41), the limiting elastic piece (43) is connected with the pressing piece (42) and the limiting fastener (41), one end, far away from the driving source (31), of the pushing component (32) penetrates into the limiting fastener (41), when the pushing component (32) drives the movable contact control piece (22) to be switched on, the pushing component (32) is in pressure contact with the pressing piece (42), the limiting elastic piece (43) is subjected to pressure deformation to store force, the limiting fastener (41) limits the pushing component (32), and the limiting elastic piece (43) is used for providing elastic force when the limiting fastener (41) limits or limits the pushing component (32) to be released;

the binding mechanism (5) comprises an anti-drop fastener (51) and a tripping power piece (52), the anti-drop fastener (51) is arranged on the frame body (21), when the limit fastener (41) limits the pushing component (32), the limiting fastener (41) is in press contact with the anti-falling fastener (51), the anti-falling fastener (51) is used for limiting the limiting fastener (41), the tripping power part (52) is arranged on the frame body (21), the tripping power part (52) is used for pulling the tripping fastener (51) to be separated from the limiting fastener (41), when the anti-drop fastener (51) is separated from the limit fastener (41), the limit elastic piece (43) releases the elastic force to drive the limit fastener (41) to be separated from the pushing component (32), the reset driving piece (34) releases elastic force to drive the touch piece (22) to perform brake-separating motion, and the touch piece (22) drives the pushing component (32) to reset.

2. A reclosing switch with stable breaking according to claim 1, characterised in that: push member (32) including directly moving propulsion member (321) and guide (322), still be provided with deflector (23) in support body (21), directly move propulsion member (321) and wear to establish in deflector (23), guide (322) and directly move propulsion member (321) and set up perpendicularly, be provided with on support body (21) and supply moving groove (24) that guide (322) removed, moving groove (24) are seted up the direction and are directly moved propulsion member (321) moving direction unanimously, driving medium (33) are connected with guide (322).

3. The reclosing switch of a stable break according to claim 2, characterised in that: the limiting fastener (41) comprises a limiting frame (411) and a clamping pin (412) connected with the limiting frame (411), the limiting frame (411) is connected with a frame body (21) through a connecting piece (413), the direct-acting pushing piece (321) is arranged between the clamping pin (412) and the pressing piece (42), a pin groove (323) for buckling the clamping pin (412) is formed in the direct-acting pushing piece (321), the axis of the clamping pin (412) is perpendicular to the moving direction of the direct-acting pushing piece (321), a pressing contact bulge (324) for pressing the pressing contact pressing piece (42) is arranged on one side, deviating from the pin groove (323), of the direct-acting pushing piece (321), when the direct-acting pushing piece (321) drives the moving contact piece (22) to perform closing movement, the pressing contact bulge (324) presses the pressing contact pressing piece (42), the limiting elastic piece (43) is pressed and deformed to store force, and the direct-acting pushing piece (321) moves to the position of the clamping pin (412), the limiting elastic piece (43) releases the elastic force to drive the bayonet (412) to be buckled into the pin groove (323).

4. A reclosing switch with stable breaking according to claim 3, characterised in that: the pressure moves piece (42) including flat guide portion (421) and perk tongue portion (422) of being connected with flat guide portion (421), be provided with setting element (414) of connecting flat guide portion (421) in spacing frame (411), setting element (414) axis is perpendicular with rectilinear motion propelling part (321) moving direction, perk tongue portion (422) are buckled towards rectilinear motion propelling part (321).

5. The reclosing switch of a stable break according to claim 4, characterised in that: spacing elastic component (43) are including connecting portion (431), hold power and are wounded and establish portion and press and touch portion (433), press and touch portion (433) both sides and all connect the power and around establishing portion (432), hold power and all connect connecting portion (431) around establishing portion (432) one side of keeping away from press and touch portion (433), connecting portion (431) are connected with spacing frame (411), hold power around establishing portion (432) and twine the tongue on setting element (414), press and touch portion (433) and press one side conflict that dynamic piece (42) deviate from direct drive propulsion piece (321).

6. The reclosing switch of a stable break according to claim 2, characterised in that: the anti-falling fastener (51) comprises a fastener body (511), ear fasteners (512) and transmission seats (513), wherein an outlet hole (514) for the linear motion propelling piece (321) to penetrate through is formed in the fastener body (511), the transmission seats (513) are connected to two sides of the fastener body (511), a fixing piece (515) connected with the transmission seats (513) is arranged on the frame body (21), the axis of the fixing piece (515) is perpendicular to the moving direction of the linear motion propelling piece (321), and the ear fasteners (512) are connected with one side of the fastener body (511);

when limiting fastener (41) is spacing to directly moving propelling part (321), limiting fastener (41) presses and contacts transmission seat (513), buckle body (511) rotates along the axis direction of fixing part (515), ear buckle (512) is buckled with limiting fastener (41) and is established.

7. The reclosing switch of a stable break according to claim 6, further comprising: the tripping power piece (52) comprises a tripping power source (521), a moving part (522), a pulling part (523) and a tripping elastic piece (524), the tripping power source (521) is arranged on the frame body (21), the moving part (522) is connected with the tripping power source (521), the pulling part (523) is connected with the end part of the moving part (522) far away from the tripping power source (521), a clamping groove (517) for the moving part (522) to penetrate is formed in one end, deviating from the ear buckle (512), of the buckle body (511), the diameter of the pulling part (523) is larger than the width of the clamping groove (517), the tripping elastic piece (524) is sleeved on the moving part (522), one end of the tripping elastic piece (524) is connected with the buckle body (511), and the other end of the tripping elastic piece is connected with the tripping power source (521).

8. The reclosing switch of a stable break according to claim 7, further comprising: the brake body (1) comprises a brake base (11) and a brake shell (12) covered with the brake base (11), the switch body (2) is arranged on the brake base (11), the switch body (2) further comprises a manual control mechanism (6), the manual control mechanism (6) comprises a manual control part (61), a rotating part (62), a tripping bushing (63), a positioning disc (64) and a wave screw (65), the rotating part (62) is arranged in the frame body (21) in a penetrating mode, the tripping bushing (63) is arranged on the rotating part (62) in a sleeved mode, one end of the rotating part (62) penetrates out of the frame body (21), the manual control part (61) is connected with one end of the rotating part (62) penetrating out of the frame body (21), the outer wall of the frame body (21) is further provided with the positioning seat (25), the wave screw (65) is arranged in the positioning seat (25) in a penetrating mode, the positioning disc (64) is connected with the rotating part (62, a closing limiting groove (641) and an opening limiting groove (642) are formed in the positioning disc (64), a manual control groove (13) is formed in the brake shell (12), and the end, far away from the rotating part (62), of the manual control part (61) penetrates out of the manual control groove (13);

when the hand control piece (61) is located at a switching-on position, the wave screw (65) is abutted to the switching-on limiting groove (641) and fixes the rotating piece (62), and the tripping bushing (63) is not contacted with the anti-tripping fastener (51);

hand control spare (61) are along manual groove (13) when removing towards separating brake position, ripples screw (65) break away from with combined floodgate spacing groove (641), rotate piece (62) drive anticreep fastener (51) and spacing fastener (41) of contradicting of dropout bush (63) break away from, when hand control spare (61) removed to separating brake position, ripples screw (65) contradict and fixed rotation piece (62) with separating brake spacing groove (642).

9. The reclosing switch of a stable break according to claim 8, further comprising: still be provided with indicating mechanism (7) on support body (21), indicating mechanism (7) are including indicator (71) and elastic component (72) reset, be provided with pivot (73) of connecting indicator (71) on support body (21), elastic component (72) cover that resets is established on pivot (73) and is connected with indicator (71), indicator (71) are used for instructing combined floodgate or separating brake state.

10. A stable breaking reclosing switch according to any one of claims 1 to 9 characterised in that: switch body (2) still include short-circuit protection mechanism (8), short-circuit protection mechanism (8) are including short-circuit protection spare (81), contact spare (82), accuse position spare (83) and return force elastic component (84), accuse position spare (83) are connected with support body (21), contact spare (82) are connected with short-circuit protection spare (81), return force elastic component (84) one end is connected with support body (21), and the other end is connected with accuse position spare (83), short-circuit protection spare (81) are when detecting the short circuit, contact spare (82) produce electromagnetic force and impel position spare (83) and rotate, accuse position spare (83) impel anticreep component and spacing fastener (41) and break away from.

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