CN220065485U - Dual-power electromagnetic interlocking mechanism - Google Patents

Abstract

The utility model discloses a dual-power electromagnetic interlocking mechanism, which comprises: the two rotary switch pieces are respectively used for rotating the two breaker main bodies to control the on-off of the two paths of power supplies, and can rotate to a first position for switching off the power supplies or a second position for switching on the power supplies; the limiting piece is fixedly arranged on the rotary switch piece, and the rotary switch piece drives the limiting piece to rotate when rotating between a first position and a second position so that the limiting piece has a first rotating path; the two electric telescopic assemblies are provided with a stop lever which moves in a telescopic way, and when the stop lever is in an extending state, the stop lever extends into the first rotating path; the controller is electrically connected with the electric telescopic components, and when one circuit breaker is powered on, the controller controls the electric telescopic components on the other circuit breaker to extend out of the stop lever. The controller is used for respectively controlling the two electric telescopic assemblies to extend and retract the stop rods to lock the two circuit breakers respectively and interlock the two circuit breakers.

Description

Dual-power electromagnetic interlocking mechanism

Technical Field

The utility model relates to the technical field of dual-power interlocking devices, in particular to a dual-power electromagnetic interlocking mechanism.

Background

In important public places where people are concentrated, such as hotels and theatres, the interruption of power supply can cause disorder of order and even endanger the life safety of guests. The important sites are often provided with a common power supply and a backup power supply. However, when two power supplies are connected to the circuit simultaneously, an inter-phase short circuit is generated, which threatens personal safety. Therefore, an interlock is typically provided between the circuit breakers of the two power sources so that only one power source is connected to the circuit at a time. In the related art, the interlocking device mainly uses a connecting rod or a lever to control the switching-on or switching-off of a power supply through a specific mechanical transmission device, and the existing interlocking mode has a complex structure.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and therefore, the utility model provides a double-power electromagnetic interlocking mechanism which adopts a simple electromagnetic structure to realize double-power interlocking.

According to an embodiment of the utility model, a dual-power electromagnetic interlocking mechanism comprises: the two rotary switch pieces are respectively used for rotating the two breaker main bodies to control the on-off of the two paths of power supplies, and can rotate to a first position for switching off the power supplies or a second position for switching on the power supplies; the limiting piece is fixedly arranged on the rotary switch piece, and the rotary switch piece drives the limiting piece to rotate when rotating between a first position and a second position so that the limiting piece has a first rotating path; the two electric telescopic assemblies are provided with a stop lever which moves in a telescopic way, and when the stop lever is in an extending state, the stop lever extends into the first rotating path to rotate from the first position to the second position by the rotation limiting switch piece; and the controller is electrically connected with the electric telescopic component, and when one circuit breaker is powered on, the controller controls the electric telescopic component on the other circuit breaker to extend out of the stop lever so as to limit the other rotary switch piece to rotate from the first position to the second position and further limit the on of the other power supply.

The dual-power electromagnetic interlocking mechanism provided by the embodiment of the utility model has at least the following beneficial effects:

the controller is used for controlling the two electric telescopic assemblies to extend and retract the stop lever to lock the two circuit breakers respectively, when one circuit breaker is powered on, the controller is used for controlling the electric telescopic assembly on the other circuit breaker to extend out of the stop lever so as to limit the other rotary switch piece to rotate from the first position to the second position, and further limit the switching on of the other power supply, so that the circuit breaker is simple and reliable in structure and does not need a complex mechanical transmission mechanism.

In some embodiments of the present utility model, the limiting member includes a blocking plate and a connection plate, a first mounting hole is provided on the connection plate, a second mounting hole is provided on the rotary switch member, and a first bolt assembly is inserted through the first mounting hole and the second mounting hole to connect the limiting member with the rotary switch member.

In some embodiments of the present utility model, the stop lever is made of magnetic material, the electric telescopic assembly further comprises a spring and an electromagnet, the spring is connected with the stop lever to drive the stop lever to extend, and the electromagnet can magnetically attract the stop lever to compress the spring to drive the stop lever to retract; the electromagnetic iron is connected with the controller, and when one circuit breaker is powered on, the controller controls the electromagnet on the other circuit breaker to be powered off so that the stop lever is driven by the spring to extend.

In some embodiments of the present utility model, the circuit breaker further comprises a mounting frame for being fixedly connected to the circuit breaker main body, the electric telescopic assembly is mounted on the mounting frame, and the mounting position of the electric telescopic assembly can be adjusted through the mounting frame.

In some embodiments of the present utility model, the mounting rack includes a first rack body fixedly connected to the breaker main body and a second rack body detachably connected to the first rack body, the electric telescopic assembly is disposed on the second rack body, the first rack body and the second rack body are connected through a second bolt assembly, and a first waist-shaped hole for the second bolt assembly to transmit is vertically disposed on the first rack body; the second frame body is connected with the electric telescopic component through a third bolt component, and a second waist-shaped hole used for being driven by the third bolt component is transversely formed in the second frame body.

In some embodiments of the utility model, the first frame includes a riser and two legs connected to both ends of the riser, one end of the legs remote from the riser has a mounting portion for securing to a circuit breaker body, and the second frame is connected to the riser.

In some embodiments of the present utility model, the blocking plate and the connecting plate are of sheet metal integrated structure.

In some embodiments of the present utility model, the support leg, the mounting portion, and the riser are of a sheet metal integrated structure, and the support leg and the riser are provided with a first flange; the second frame body is a sheet metal part, and second flanging is arranged on two sides of the length direction of the second frame body.

In some embodiments of the present utility model, the sliding member further includes a driving inclined surface, and the rotating switch member is provided with a side extending rod extending along the radial direction of the sliding member, and the driving inclined surface abuts against the side extending rod to drive the rotating switch member to rotate.

In some embodiments of the present utility model, the sliding member is a button, a roller is disposed on the side extension rod, and when the button is pressed, the driving inclined surface abuts against the roller to drive the rotary switch member to rotate from the first position to the second position; the rotary switch piece is connected with an elastic piece, and the elastic piece can drive the rotary switch piece to return to the first position from the second position.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a circuit breaker having a dual-power electromagnetic interlocking mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a structure in which a rotary switch member, a limiting member, an electric telescopic assembly and a mounting frame of a dual-power electromagnetic interlocking mechanism are separated;

fig. 3 is a schematic diagram of a partial structure of the embodiment of fig. 1.

Reference numerals:

a breaker main body 10,

A rotary switch member 100, a second mounting hole 110,

A limiting member 200, a blocking plate 210, a connecting plate 220, a first mounting hole 221, an electric telescopic assembly 300, a blocking lever 310,

The mounting frame 400, a first frame body 410, a vertical plate 411, a support leg 412, a mounting part 413, a first waist-shaped hole 414, a first flange 415, a second frame body 420, a second waist-shaped hole 421, a second flange 422,

Button 500, drive ramp 510, side extension bar 600, and roller 610.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The embodiment of the utility model provides a dual-power electromagnetic interlocking mechanism, which comprises: two rotary switch members 100, a limiting member 200, two electric telescopic assemblies 300 and a controller.

Referring to fig. 1, the rotary switch member 100 is rotatably provided to the breaker body 10, and the rotary switch member 100 can be rotated to a first position to turn off the power and a second position to turn on the power with respect to the breaker body 10. It should be noted that, in the embodiment of the present utility model, two breaker main bodies 10 are provided, each breaker main body 10 is provided with a rotary switch member 100 to control on-off of two power sources, and fig. 1 depicts only one breaker structure for convenience of illustration.

Each rotary switch member 100 is fixedly provided with a limiting member 200, and when the rotary switch rotates between the first position and the second position, the limiting member 200 is driven to rotate, so that the limiting member 200 has a first rotation path.

The two electric extension assemblies 300 are respectively disposed on the two breaker main bodies 10, the electric extension assemblies 300 have a bar 310 capable of moving in an extension manner, and when the bar 310 is in an extension state, the bar 310 can extend into a first rotation path of the limiting member 200 to limit the rotation of the rotary switch member 100 from the first position to the second position.

The controller is electrically connected to the two electric telescopic assemblies 300, and when one of the circuit breakers is powered on, the controller controls the electric telescopic assemblies 300 on the other circuit breaker to extend out so as to limit the rotation of the other rotary switch member 100 from the first position to the second position, and further limit the turning on of the other power source.

It will be appreciated that the controller controls the extension and retraction of the two electric telescopic assemblies 300 to lock the two circuit breakers respectively, when one circuit breaker is powered on, the controller controls the extension of the electric telescopic assembly 300 on the other circuit breaker to limit the rotation of the other rotary switch member 100 from the first position to the second position, thereby limiting the connection of the other power supply.

Referring to fig. 2, in some embodiments of the present utility model, the stopper 200 includes a blocking plate 210 and a connection plate 220, a first mounting hole 221 is provided on the connection plate 220, a second mounting hole 110 is provided on the rotary switch member 100, and a first bolt assembly is penetrated through the first mounting hole 221 and the second mounting hole 110 to connect the stopper 200 with the rotary switch member 100. Specifically, the second mounting hole 110 is formed in a side portion of the rotary switch member 100, and the limiting plate and the connecting plate 220 are in an L-shaped structure, it can be understood that more parts are located above and below the rotary switch member 100 on the breaker main body 10, and the second mounting hole 110 is formed in a side portion of the rotary switch member 100 and extends transversely, so that the mounting tool can be conveniently inserted, and the first bolt assembly can be conveniently screwed.

Referring to fig. 2, in some embodiments of the present utility model, the stop lever 310 is made of a magnetic material, the electric telescopic assembly 300 further includes a spring and an electromagnet, the spring is connected with the stop lever 310 to drive the stop lever 310 to extend, and the electromagnet can magnetically attract the stop lever 310 to compress the spring to drive the stop lever 310 to retract; the electromagnetic iron is connected with the controller, when one circuit breaker is powered on, the controller controls the electromagnet on the other circuit breaker to be powered off so that the stop lever 310 is driven to extend by the spring. It will be appreciated that when one of the power sources is on, the electromagnet on the other power source of the controller is de-energized to remove the magnetism, the spring ejects and holds the stop lever 310 in the extended state such that the rotary switch member 100 cannot rotate from the first position to the second position, and when the power source is on and the other power source is off, the electromagnet is energized to generate magnetism to attract the stop lever 310 of magnetic material back to exit the first rotational path of the stop member 200 and to retract the spring, at which time the rotary member can rotate from the first position to the second position to turn on the power source. It can be appreciated that the spring is adopted to pop up the stop lever 310, and the electromagnet is used to suck back the telescopic component, so that the stop lever 310 is in a stretched state when the controller fails and is not powered, and the rotating member can not rotate to a second position for turning on the power supply, thereby improving the safety. In other embodiments, the motorized retraction assembly 300 further includes a motorized push rod.

Referring to fig. 2, in some embodiments of the present utility model, a mounting bracket 400 is further included, the mounting bracket 400 is for being fixedly coupled to the circuit breaker body 10, the motor-operated extension module 300 is mounted to the mounting bracket 400, and the mounting position of the motor-operated extension module 300 can be adjusted by the mounting bracket 400. It will be appreciated that to extend and retract the stop lever 310 just into and out of the first rotational path of the stop member 200, the mounting position of the motor pack 300 is adjusted, and the adjustment is performed by the mounting bracket 400, which is simple in structure.

Specifically, referring to fig. 2, in some embodiments of the present utility model, the mounting bracket 400 includes a first frame 410 for being fixedly connected to the breaker main body 10 and a second frame 420 detachably connected to the first frame 410, the electric telescopic assembly 300 is disposed on the second frame 420, the first frame 410 and the second frame 420 are connected through a second bolt assembly, and a first waist hole 414 for the second bolt assembly to transmit is vertically disposed on the first frame 410; the second frame 420 is connected with the electric telescopic assembly 300 through a third bolt assembly, and a second waist-shaped hole 421 for the third bolt assembly to transmit is transversely formed in the second frame 420. It can be appreciated that the mounting position of the second frame 420 in the vertical direction relative to the first frame 410 can be adjusted through the first waist-shaped hole 414, and the mounting position of the electric telescopic assembly 300 in the transverse direction relative to the second frame 420 can be adjusted through the second waist-shaped hole 421. In this manner, the installation position of the electric telescopic assembly 300 can be conveniently adjusted.

Referring to fig. 2, in some embodiments of the present utility model, a first frame 410 includes a riser 411 and two legs 412 connected to both ends of the riser 411, one end of the legs 412 remote from the riser 411 has a mounting portion 413 for being fixedly coupled to the breaker body 10, and a second frame 420 is connected to the riser 411. It will be appreciated that the legs 412 support the riser 411 away from the circuit breaker body 10 to avoid interference between the second frame 420 and the motor pack 300 and other components on the circuit breaker body 10.

Referring to fig. 2, in some embodiments of the present utility model, the blocking plate 210 and the connecting plate 220 are of a sheet metal integrated structure. It can be appreciated that the blocking plate 210 and the connecting plate 220 are structurally simplified by adopting a sheet metal integrated structure, and no additional connecting piece is required to connect the connecting plate 220 and the blocking plate 210.

Referring to fig. 2, in some embodiments of the present utility model, the support leg 412, the mounting portion 413, and the riser 411 are of a sheet metal integrated structure, and the support leg 412 and the riser 411 are provided with a first flange 415; the second frame 420 is a sheet metal part, and second flanges 422 are arranged on two sides of the second frame 420 in the length direction. It will be appreciated that the stiffness of the legs 412 and risers 411 is increased by providing the first flange 415 and the stiffness of the second frame 420 is increased by providing the second flange 422, thus increasing the stability of the motorized reach assembly so that it can reliably block rotation of the limiter 200.

Referring to fig. 3, in some embodiments of the present utility model, the sliding member further includes a driving inclined surface 510, and the rotary switch member 100 is provided with a side extension rod 600 extending along a radial direction thereof, where the driving inclined surface 510 abuts against the side extension rod 600 to drive the rotary switch member to rotate. Specifically, the sliding direction of the sliding member is parallel to the axial direction of the rotary switch member 100, and the driving inclined surface 510 abuts against the peripheral surface of the side extension rod 600. It will be appreciated that by the action of the drive ramp 510 and the side extension bar 600, the slider can be depressed to perform a switching operation, facilitating the application of force by the user.

Referring to fig. 3, in some embodiments of the present utility model, the sliding member is a button 500, a roller 610 is disposed on the side extension rod 600, and when the button 500 is pressed, the driving inclined surface 510 abuts against the roller 610 to drive the rotary switch member 100 to rotate from the first position to the second position; the rotary switch member 100 is connected to an elastic member, and the elastic member can drive the rotary switch member 100 to return from the second position to the first position. Specifically, the button 500 is connected with a spring member, the button 500 is driven to rebound, and the diameter of the drum 610 is larger than that of the side boom 600, so that the rotation angle of the rotary switch member 100 can be increased.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A dual-power electromagnetic interlocking mechanism, comprising:

the two rotary switch pieces (100) are respectively used for rotating the two breaker main bodies (10) to control the on-off of two paths of power supplies, and the rotary switch pieces (100) can rotate to a first position for switching off the power supplies or a second position for switching on the power supplies;

the limiting piece (200) is fixedly arranged on the rotary switch piece (100), and the rotary switch piece (100) drives the limiting piece (200) to rotate when rotating between the first position and the second position so that the limiting piece (200) has a first rotating path;

-two electric telescopic assemblies (300), said electric telescopic assemblies (300) having a lever (310) that moves telescopically, said lever (310) extending into said first rotation path to limit the rotation of said rotary switch member (100) from said first position to said second position when said lever (310) is in an extended state;

and the controller is electrically connected with the electric telescopic component (300), and when one circuit breaker is powered on, the controller controls the electric telescopic component (300) on the other circuit breaker to extend out of the stop lever (310) so as to limit the other rotary switch piece (100) to rotate from the first position to the second position and further limit the on of the other power supply.

2. A dual-power electromagnetic interlocking mechanism as in claim 1 wherein,

the limiting piece (200) comprises a blocking plate (210) and a connecting plate (220), a first mounting hole (221) is formed in the connecting plate (220), a second mounting hole (110) is formed in the rotary switch piece (100), and a first bolt assembly is arranged through the first mounting hole (221) and the second mounting hole (110) in a penetrating mode so that the limiting piece (200) is connected with the rotary switch piece (100).

3. A dual-power electromagnetic interlocking mechanism as in claim 1 wherein,

the stop lever (310) is made of magnetic materials, the electric telescopic assembly (300) further comprises a spring and an electromagnet, the spring is connected with the stop lever (310) to drive the stop lever (310) to extend, and the electromagnet can magnetically attract the stop lever (310) to compress the spring to drive the stop lever (310) to retract; the electromagnetic iron is connected with the controller, and when one circuit breaker is powered on, the controller controls the electromagnet on the other circuit breaker to be powered off so that the stop lever (310) is driven by the spring to extend.

4. A dual-power electromagnetic interlocking mechanism as in claim 1 wherein,

still include mounting bracket (400), mounting bracket (400) be used for the rigid coupling in circuit breaker main part (10), electric telescopic subassembly (300) install in mounting bracket (400), through mounting bracket (400) can be adjusted electric telescopic subassembly (300) mounted position.

5. A dual-power electromagnetic interlocking mechanism as in claim 4 wherein,

the mounting frame (400) comprises a first frame body (410) fixedly connected to the breaker main body (10) and a second frame body (420) detachably connected with the first frame body (410), the electric telescopic assembly (300) is arranged on the second frame body (420), the first frame body (410) and the second frame body (420) are connected through a second bolt assembly, and a first waist-shaped hole (414) used for being driven by the second bolt assembly is vertically formed in the first frame body (410); the second frame body (420) and the electric telescopic assembly (300) are connected through a third bolt assembly, and a second waist-shaped hole (421) used for being driven by the third bolt assembly is transversely formed in the second frame body (420).

6. A dual-power electromagnetic interlocking mechanism as in claim 5 wherein,

the first frame body (410) comprises a vertical plate (411) and two supporting legs (412) connected to two ends of the vertical plate (411), one end, away from the vertical plate (411), of each supporting leg (412) is provided with a mounting part (413) used for being fixedly connected to the breaker main body (10), and the second frame body (420) is connected to the vertical plate (411).

7. A dual-power electromagnetic interlocking mechanism as in claim 2 wherein,

the blocking plate (210) and the connecting plate (220) are of a sheet metal integrated structure.

8. A dual-power electromagnetic interlocking mechanism as in claim 6 wherein,

the support legs (412), the mounting parts (413) and the vertical plates (411) are of a sheet metal integrated structure, and first flanging (415) is arranged on the support legs (412) and the vertical plates (411); the second frame body (420) is a sheet metal part, and second flanging (422) are arranged on two sides of the second frame body (420) in the length direction.

9. A dual-power electromagnetic interlocking mechanism as in claim 1 wherein,

the rotary switch comprises a rotary switch body, and is characterized by further comprising a sliding part, wherein the sliding part is provided with a driving inclined surface (510), the rotary switch body (100) is provided with a side extending rod (600) extending along the radial direction of the rotary switch body, and the driving inclined surface (510) is abutted against the side extending rod (600) to drive the rotary switch body (100) to rotate.

10. A dual-power electromagnetic interlocking mechanism as in claim 9 wherein,

the sliding part is a button (500), a roller (610) is arranged on the side extension rod (600), and when the button (500) is pressed, the driving inclined surface (510) abuts against the roller (610) to drive the rotary switch part (100) to rotate from the first position to the second position; the rotary switch piece (100) is connected with an elastic piece, and the elastic piece can drive the rotary switch piece (100) to return to the first position from the second position.