CN210467616U - Dual-power transfer switch - Google Patents

Abstract

The utility model discloses a dual power transfer switch, its technical scheme main points include casing, controller and combined floodgate coil assembly, be equipped with control switch in the casing, be equipped with the rocking arm between control switch and the combined floodgate coil assembly, swing joint has square connecting rod on the rocking arm, still including hugging closely the trip that combined floodgate coil assembly set up, still be equipped with two division solenoid subassemblies in the casing, be equipped with the gangbar on the two division solenoid subassemblies, the gangbar sets up with the trip linkage, still including protection switch, when combined floodgate coil assembly combined floodgate drive trip drive gangbar swing, the gangbar pressfitting protection switch after the swing; the arc extinguishing device is characterized in that a convex column is arranged on the square connecting rod, a rotatable shifting fork is clamped on the convex column, an operating shaft is arranged on the shifting fork, and the arc extinguishing device further comprises an arc extinguishing net located at an outlet of the arc extinguishing chamber, and a locking piece and a sliding block which are used for controlling safe operation are further arranged. The utility model discloses it is good to have stability, and the security is high, realizes the effect of zero flashover.

Description

Dual-power transfer switch

Technical Field

The utility model relates to a switch, more specifically say that it relates to a dual supply change over switch.

Background

The dual-power automatic transfer switch is used for one way of standby in common simply, and when common power fails or is in power failure, the dual-power automatic transfer switch is automatically switched into a standby power supply (the standby power supply can also be supplied by a generator under small load) to enable equipment to still normally operate. The most common is the device which needs to be proved to be stable in power supply, such as an elevator, fire control, monitoring and the like.

However, in the switching between the normal use and the standby use of the dual power transfer switch, the situation that the coil is always operated and burnt due to the jamming problem in the switching process or the switch is damaged due to the dispersion of ion flow ions in the use process can also happen occasionally due to the parts.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a dual power transfer switch has that stability is good, and the security is high, realizes the effect of zero arcing.

In order to achieve the above purpose, the utility model provides a following technical scheme: a double-power-supply change-over switch comprises a shell, a controller and a switching-on coil assembly, wherein a control switch for protecting the switching-on coil assembly is arranged in the shell, a rocker arm is arranged between the control switch and the switching-on coil assembly, a square connecting rod fixedly connected with the switching-on coil assembly is movably connected onto the rocker arm, a clamping hook tightly attached to the switching-on coil assembly is further arranged, when the switching-on coil assembly is powered on, the clamping hook is driven to fixedly realize switching-on after the rocker arm is driven to swing, a swinging rocker arm presses a control switch, a double-division electromagnetic coil assembly is further arranged in the shell, a linkage rod which swings due to the action of the double-division electromagnetic coil assembly is arranged on the double-division electromagnetic coil assembly, the linkage rod is in linkage with the clamping hook, when the double-division electromagnetic coil assembly is controlled to drive the linkage rod, the linkage, the double-division electromagnetic coil assembly is characterized by also comprising a protection switch for protecting the double-division electromagnetic coil assembly, when the closing coil assembly is closed to drive the clamping hook, the clamping hook drives the linkage rod to swing, and the other end of the swinging linkage rod is pressed on the protection switch; the square connecting rod is provided with a convex column, a rotatable shifting fork is clamped on the convex column, the square connecting rod is driven to jack the closing coil assembly to separate from the rocker arm when the shifting fork rotates, the rocker arm is separated from the control switch, and the shifting fork is provided with an operating shaft.

Through adopting above-mentioned technical scheme, when switching on after the normal, spare circuit controller control combined floodgate coil assembly combined floodgate, the trip is moved in the interior movable core top of combined floodgate coil assembly during combined floodgate action, later trip swing to under the rocking arm top move the rocking arm lift up with combined floodgate coil assembly looks block, thereby combined floodgate coil assembly can be because the fixed position of receiving the effect of direction connecting rod of rocking arm, the action of rocking arm makes rocking arm other end pressfitting control switch simultaneously, control switch control combined floodgate coil assembly outage prevents that the coil from continuing work to burn out. The action of the trip can drive the linkage rod pressing protection switch to be communicated in the switching-on process, when the switching-off is carried out, the double-division electromagnetic coil assembly is controlled to be attracted downwards to drive the linkage rod to be disconnected from the protection switch, the linkage rod drives the trip to jack the switching-on coil assembly to realize the switching-off, and at the moment, if the protection switch and the control switch are still in a closed state without the switching-off success, the switching-on coil assembly is prevented from being burnt out, and the effect of high safety is achieved. Meanwhile, when the brake is failed, the shifting fork can be rotated to drive the square ejector rod to jack the switching-on coil assembly to realize manual brake opening.

The utility model discloses further set up to: be equipped with the safety switch who is used for controlling combined floodgate coil pack in the casing, be equipped with mounting groove, slide opening, trompil and with the operating axis position corresponding handle hole on the casing, be equipped with the padlock piece of being applied to control safety switch-on or disconnection relatively with the trompil position in the casing, the padlock piece is for shells inner wall sliding connection, fixedly connected with is used for driving the gliding spring of padlock piece under the padlock piece, it is used for can be to the spacing ejector pad of padlock piece still to be connected with in the casing to go back sliding connection, be equipped with on the ejector pad and slide and open and close the stop part and the protrusion setting of operating opening and close the gliding plunger of outside the slide opening along with the ejector pad, the plunger can slide and drive the push pedal and slide along the slide opening orbit, the mounting groove is embedded to have.

Through adopting above-mentioned technical scheme, under normal use state, push to near operation hole direction one side through the ejector pin and make the ejector pin slide and block the operation hole through the blockage, the ejector pin is relieved spacing to the padlock spare simultaneously, the padlock spare pops out, can make the fixed effect that makes other people can not realize manual operation realization security that blocks of blockage on the operation hole to padlock spare closure, remove in the time of need manual operation behind the padlock spare lockup state with the padlock spare pressure back to the trompil in the back simultaneously remove the ejector pin and get back to the opposite side and make the ejector pin slide and prevent to pop out to the padlock spare is spacing, the blockage can slide off the operation hole simultaneously, make the operation hole be in after the open mode with operating handle to the operating axis rotation drive shift fork rotation realization manual operation.

The utility model discloses further set up to: the padlock part is provided with an inclined block matched with the safety switch, the inclined block is abutted to the inner wall of the shell when the padlock part is ejected in a sliding mode and is limited, and the padlock part is further provided with a lock hole.

Through adopting above-mentioned technical scheme, the sloping block can pressfitting safety switch close combined floodgate coil pack's electricity for the environment that is in safe operation improves the security, can produce spacing effect when padlock spare pops out simultaneously and prevent that padlock spare directly pops out, and the lockhole can play the effect that prevents other people's maloperation above locking when padlock spare pops out.

The utility model discloses further set up to: the standby guide electromagnetic coil component is connected with a guide driving rod in linkage with the guide electromagnetic coil in a rotating mode, and when the standby guide electromagnetic coil component is electrified to act, the guide driving rod is driven to swing and press the change-over switch to achieve circuit switching.

By adopting the technical scheme, the controlled jumping and the attraction of the guide electromagnetic coil drive the guide driving rod to press or not press the change-over switch to realize the switching of the normal circuit and the standby circuit.

The utility model discloses further set up to: still including the explosion chamber in the casing, explosion chamber ion outlet one side is equipped with the joint and is used for the arc extinction net with the free electron neutralization that produces in the arc extinction back in the casing, the arc extinction net is the wave form, and the arc extinction net is including the stratum reticulare that a plurality of layers range upon range of setting, the stratum reticulare is the net silk that sets up including a plurality of is crisscross arrangement anyhow.

By adopting the technical scheme, the arc suppression net arranged in a wavy and laminated manner is used for breaking the free electrons to prolong the passing stroke of the free electrons, and the arrangement of net wires of the net layer can reduce the space gap provided for the free electrons, so that the free electrons are blocked and absorbed to realize the zero-arcing effect.

The utility model discloses further set up to: the direction actuating lever is the arc, be equipped with the guide block on the direction actuating lever, set up the switch over groove with guide block matched with V-arrangement on the casing, sliding connection has the slide bar of rotation connection on the rocking arm on the switch over groove, and when switching circuit, the guide block blocks towards the grooved rail of switch over groove both sides one end along with the direction actuating lever swing.

By adopting the technical scheme, the guide driving rod swings to drive the guide block to close different branch groove rails of the conversion groove according to the swing, so that the circuit of the sliding rod, which moves when the rocker arm ascends, can be switched to realize normal and standby switching.

The utility model discloses further set up to: the control switch, the protection switch and the change-over switch are microswitches.

Through adopting above-mentioned technical scheme, the switching of pressfitting is realized to practical micro-gap switch.

The utility model discloses further set up to: and a connecting rod is arranged between the square connecting rod and the closing coil assembly, and two ends of the connecting rod are respectively in threaded connection with the square connecting rod and the closing coil assembly.

Through adopting above-mentioned technical scheme, realize square connecting rod and combined floodgate coil pack's interact through the connecting rod.

To sum up, the utility model discloses following beneficial effect has: the controller controls the switching-on coil assembly to switch on when switching on after the normal and standby circuits, the movable iron core in the switching-on coil assembly pushes the trip when switching on, then the trip swings to the rocker arm to push the rocker arm to lift up and block with the switching-on coil assembly mutually, and the switching-on coil assembly can be fixed in position because the rocker arm is fixed under the action of the directional connecting rod, and the action of the rocker arm makes the other end of the rocker arm press fit a control switch simultaneously, and the control switch controls the switching-on coil assembly to cut off the power to prevent the coil from continuing to work and. The action of the trip can drive the linkage rod pressing protection switch to be communicated in the switching-on process, when the switching-off is carried out, the double-division electromagnetic coil assembly is controlled to be attracted downwards to drive the linkage rod to be disconnected from the protection switch, the linkage rod drives the trip to jack the switching-on coil assembly to realize the switching-off, and at the moment, if the protection switch and the control switch are still in a closed state without the switching-off success, the switching-on coil assembly is prevented from being burnt out, and the effect of high safety is achieved. Meanwhile, when the brake is failed, the shifting fork can be rotated to drive the square ejector rod to jack the switching-on coil assembly to realize manual brake opening.

Drawings

FIG. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is a partial perspective view of the present embodiment;

FIG. 3 is a schematic view of a partial plan structure of the present embodiment;

FIG. 4 is a partial plan view of another perspective of the present embodiment;

FIG. 5 is a schematic diagram of an arc chute structure according to the present embodiment;

FIG. 6 is a schematic view of the internal structure of the case in this embodiment;

FIG. 7 is a schematic structural view of the components of the present embodiment;

FIG. 8 is a plan view of the components of the present embodiment;

fig. 9 is a schematic structural diagram of the push block of the present embodiment.

Reference numerals: 1. a housing; 11. a control switch; 12. a protection switch; 13. a switch; 14. a safety switch; 15. a conversion tank; 16. an operation hole; 17. opening a hole; 18. a slide hole; 19. a placing groove; 2. a closing coil assembly; 21. a connecting rod; 3. a rocker arm; 31. a square connecting rod; 311. a convex column; 32. a slide bar; 4. a double split electromagnetic coil assembly; 41. a linkage rod; 42. a hook is clamped; 43. a standby guidance solenoid coil assembly; 44. a guide drive rod; 441. a guide block; 5. an arc extinguishing chamber; 51. an arc extinction net; 52. a mesh layer; 521. mesh; 6. a shifting fork; 61. an operating shaft; 7. an operating handle; 8. a latch member; 81. a spring; 82. a sloping block; 83. a lock hole; 9. a push block; 91. pushing the column; 92. a blocking portion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a dual power supply change-over switch, as shown in fig. 1-9, a control switch 11 electrically connected with a closing coil assembly 2 and used for protecting the closing coil assembly 2 is arranged in a housing 1, a rocker arm 3 is arranged between the control switch 11 and the closing coil assembly 2, a square connecting rod 31 is movably connected to the rocker arm 3, a connecting rod 21 is arranged between the square connecting rod 31 and the closing coil assembly 2, two ends of the connecting rod 21 are respectively connected with the square connecting rod 31 and the closing coil assembly 2 in a threaded manner, the dual power supply change-over switch further comprises a hook 42 tightly attached to the closing coil assembly 2, a movable iron core arranged in the closing coil assembly 2 drives the hook 42 to move when the closing coil assembly 2 is powered on, the hook 42 drives the rocker arm 3 to swing and then to be fixed to realize closing, the swinging rocker arm 3 presses the control switch 11, a dual electromagnetic coil assembly 4 is also arranged in the housing 1, and a linkage rod 41 which swings under the, the linkage rod 41 is linked with the clamping hook 42, when the linkage rod 41 is driven by the controlled internal movable iron core of the double-division electromagnetic coil assembly 4 to act, the linkage rod 41 drives the clamping hook 42 to drive the closing coil assembly 2 to be separated from the fixed state of the rocker arm 3, the linkage device also comprises a protection switch 12 which is electrically connected with the double-division electromagnetic coil assembly 4 for protection, when the closing coil assembly 2 is closed to drive the clamping hook 42, the clamping hook 42 drives the linkage rod 41 to swing, and the other end of the swinging linkage rod 41 is pressed on the protection switch 12; the square connecting rod 31 is provided with a convex column 311, the convex column 311 is connected with a rotatable shifting fork 6 in a clamping mode, the shifting fork 6 drives the square connecting rod 31 to push the closing coil assembly 2 to separate from the rocker arm 3 when rotating, the rocker arm 3 is separated from the control switch 11, and the shifting fork 6 is provided with an operating shaft 61. Be equipped with in the casing 1 and be used for controlling the safety switch 14 that closing coil assembly 2 opened or the disconnection with closing coil assembly 2 electricity, be equipped with mounting groove 19, slide opening 18, trompil 17 on the casing 1 and with the corresponding handle hole 16 in handle shaft 61 position, be equipped with in the casing 1 and control padlock spare 8 corresponding with trompil 17 position, be equipped with the sloping block 82 that cooperatees with safety switch 14 and control safety switch 14 switch-on or disconnection on the padlock spare 8, padlock spare 8 is for casing 1 inner wall sliding connection, and fixedly connected with is used for driving the gliding spring 81 of padlock spare 8 under the padlock spare 8, sloping block 82 offsets spacingly with casing 1 inner wall when padlock spare 8 slides and pops out, still be equipped with lockhole 83 on the padlock spare 8. The inside of the shell 1 is also slidably connected with a push block 9 used for limiting the padlock 8, the push block 9 is provided with a blocking part which opens and closes the operation hole 16 along with the sliding of the push block 9 and a push column 91 which is convexly arranged outside the sliding hole 18 and drives the push block 9 to slide, the push column 91 can slide along the track of the sliding hole 18 and drive the push plate to slide, and the placing groove 19 is internally embedded with an operation handle 7 matched with the operation shaft 61.

The shell 1 is also internally provided with a standby guiding electromagnetic coil assembly 43 and a change-over switch 13 matched with the standby guiding electromagnetic coil assembly 43, the standby guiding electromagnetic coil assembly 43 is rotatably connected with a guiding driving rod 44 which is linked with the guiding electromagnetic coil, and when the standby guiding electromagnetic coil assembly 43 is electrified, the internal movable iron core acts to drive the guiding driving rod 44 to swing and press the change-over switch 13 to realize circuit switching.

Still including explosion chamber 5 in the casing 1, 5 ion outlet one side in explosion chamber is equipped with the joint and is used for the arc extinction net 51 with the free electron neutralization that produces after the arc extinction in casing 1, arc extinction net 51 is wavy, and arc extinction net 51 is including the stratum reticulare 52 of the range upon range of setting of a plurality of layers, stratum reticulare 52 is the net silk 521 that sets up including a plurality of horizontal and vertical staggered arrangement.

The direction actuating lever 44 is the arc, be equipped with guide block 441 on the direction actuating lever 44, set up the converting slot 15 with guide block 441 matched with V-arrangement on the casing 1, sliding connection has the slide bar 32 of rotation connection on rocking arm 3 on converting slot 15, and when switching circuit, guide block 441 blocks the grooved rail of orientation with the swing of direction actuating lever 44 towards converting slot 15 both sides one end.

In the in-service use process, when switching on after the normal circuit, the standby circuit, the controller controls the switching-on coil assembly 2 to switch on, the movable iron core in the switching-on coil assembly 2 pushes against the trip hook 42 during the switching-on action, then the trip hook 42 swings to the rocker arm 3 and pushes against the rocker arm 3 to lift up and block with the switching-on coil assembly 2 mutually, and the switching-on coil assembly 2 can receive the fixed position of the action of the directional connecting rod because the rocker arm 3 is fixed, meanwhile, the action of the rocker arm 3 enables the other end of the rocker arm 3 to press the control switch 11, and the control switch 11 controls the switching-on coil assembly 2 to be powered. In the switching-on process, the action of the clamping hook 42 can drive the linkage rod 41 to press the protection switch 12 to be communicated, when the switching-off is carried out, the double-division electromagnetic coil component 4 is controlled to be attracted downwards to drive the linkage rod 41 to be disconnected from the protection switch 12, the linkage rod 41 simultaneously drives the clamping hook 42 to jack the switching-on coil component 2 to realize the switching-off, and at the moment, if the protection switch 12 and the control switch 11 are not successfully switched off, an unseparated signal is sent out to prevent the switching-on coil component 2 from being burned out again, so that the effect of high safety is achieved. Meanwhile, when the brake is failed, the shifting fork 6 can be rotated to drive the square ejector rod to jack the switching-on coil assembly 2, so that manual brake opening is realized. Meanwhile, when the brake is failed, the shifting fork 6 can be rotated to drive the square ejector rod to jack the switching-on coil assembly 2, so that manual brake opening is realized. Manual operation is under normal use state, push to the one side of being close to operation hole 16 direction through the plunger 91 and make the ejector pad 9 slide and block operation hole 16 through the barrier, simultaneously ejector pad 9 is relieved spacingly to padlock spare 8, padlock spare 8 pops out, can lock to the hasp 83 of padlock spare 8 and make the barrier fix to block and make other people can not realize the effect that manual operation realized the security on operation hole 16, remove when needing manual operation and push away the plunger 91 to get back to the opposite side simultaneously after 8 locked state of padlock spare back pressure padlock spare in trompil 17 and make ejector pad 9 slide and spacing the preventing of padlock spare 8 prevent to pop out, the barrier can slide from operation hole 16 simultaneously, make operation hole 16 be in after the open mode with operating handle 7 to operating axis 61 rotate and drive shift fork 6 and rotate and realize manual operation.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a dual supply change over switch, includes casing (1), controller and combined floodgate coil pack (2), its characterized in that: the electromagnetic switch is characterized in that a control switch (11) used for protecting a closing coil assembly (2) is arranged in the shell (1), a rocker arm (3) is arranged between the control switch (11) and the closing coil assembly (2), a square connecting rod (31) fixedly connected with the closing coil assembly (2) is movably connected onto the rocker arm (3), a clamping hook (42) tightly attached to the closing coil assembly (2) is further included, the clamping hook (42) is driven when the closing coil assembly (2) is powered on, the clamping hook (42) drives the rocker arm (3) to swing and then fixedly realize closing, the swinging rocker arm (3) presses the control switch (11), a double-division electromagnetic coil assembly (4) is further arranged in the shell (1), a linkage rod (41) which swings due to the action of the double-division electromagnetic coil assembly (4) is arranged on the double-division electromagnetic coil assembly (4), and the linkage rod (41) is linked with the clamping hook (42), when the double-division electromagnetic coil assembly (4) is controlled to drive the linkage rod (41), the linkage rod (41) drives the hook (42) to drive the closing coil assembly (2) to be disconnected from the rocker arm (3), the double-division electromagnetic coil assembly further comprises a protection switch (12) for protecting the double-division electromagnetic coil assembly (4), when the closing coil assembly (2) is closed to drive the hook (42), the hook (42) drives the linkage rod (41) to swing, and the other end of the swinging linkage rod (41) is pressed on the protection switch (12); be equipped with projection (311) on square connecting rod (31), the joint has rotatable shift fork (6) on projection (311), and shift fork (6) drive square connecting rod (31) top move closing coil subassembly (2) when rotating and throw off rocking arm (3), realize rocking arm (3) and control switch (11) and break away from, be equipped with operating shaft (61) on shift fork (6).

2. The dual power transfer switch of claim 1, wherein: the safety switch (14) used for controlling the closing coil assembly (2) is arranged in the shell (1), an installing groove (19), a sliding hole (18), an opening (17) and an operating hole (16) corresponding to the position of the operating shaft (61) are arranged on the shell (1), a hanging and locking piece (8) corresponding to the position of the opening (17) and used for controlling the safety switch (14) to be connected or disconnected is arranged in the shell (1), the hanging and locking piece (8) is connected with the inner wall of the shell (1) in a sliding mode, a spring (81) used for driving the hanging and locking piece (8) to slide is fixedly connected to the lower portion of the hanging and locking piece (8), a push block (9) used for limiting the hanging and locking piece (8) is further connected in the shell (1) in a sliding mode, a blocking portion which opens and closes the operating hole (16) along with the sliding of the push block (9) and a push column (91) which is convexly arranged outside the sliding hole (18) and drives the push, the push post (91) can slide along the track of the sliding hole (18) to drive the push block (9) to slide, and the placing groove (19) is embedded with an operating handle (7) matched with the operating shaft (61).

3. The dual power transfer switch of claim 2, wherein: be equipped with on padlock spare (8) with safety switch (14) matched with sloping block (82), sloping block (82) are spacing with casing (1) inner wall counterbalance when padlock spare (8) slide pop out, still be equipped with lockhole (83) on padlock spare (8).

4. The dual power transfer switch of claim 3, wherein: still be equipped with reserve direction solenoid subassembly (43) and with reserve direction solenoid subassembly (43) matched with change over switch (13) in casing (1), rotate on reserve direction solenoid subassembly (43) and be connected with direction actuating lever (44) that set up with direction solenoid linkage, drive direction actuating lever (44) swing pressfitting change over switch (13) when reserve direction solenoid subassembly (43) circular telegram action and realize the circuit switching.

5. The dual power transfer switch of claim 4, wherein: still including explosion chamber (5) in casing (1), explosion chamber (5) ion outlet one side is equipped with joint arc suppression net (51) that are arranged in casing (1) and are used for neutralizing the free electron that produces after the arc extinction, arc suppression net (51) are the wave form, and arc suppression net (51) are including stratum reticulare (52) that a plurality of layers range upon range of setting, stratum reticulare (52) are netted silk (521) that the crisscross arrangement set up including a plurality of is anyhow.

6. The dual power transfer switch of claim 5, wherein: guide drive pole (44) are the arc, be equipped with guide block (441) on guide drive pole (44), set up converting slot (15) with guide block (441) matched with V-arrangement on casing (1), sliding connection has slide bar (32) of rotation connection on rocking arm (3) on converting slot (15), and when switching circuit, guide block (441) blocks the groove rail of orientation with the swing of guide drive pole (44) orientation converting slot (15) both sides one end.

7. The dual power transfer switch of claim 6, wherein: the control switch (11), the protection switch (12), the change-over switch (13) and the safety switch (14) are microswitches.

8. The dual power transfer switch of claim 7, wherein: a connecting rod (21) is arranged between the square connecting rod (31) and the closing coil assembly (2), and two ends of the connecting rod (21) are respectively in threaded connection with the square connecting rod (31) and the closing coil assembly (2).

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