CN210778461U - Reclosing molded case circuit breaker - Google Patents

Abstract

The utility model relates to a reclosing plastic case circuit breaker, it includes the plastic case circuit breaker body and sets up the reclosing mechanism on the plastic case circuit breaker body, reclosing mechanism includes bottom and upper cover, form accommodation space between bottom and the upper cover, accommodation space's intermediate part is the action space, arbitrary one side in action space sets up to the motor space, set up alternating current motor in the motor space, be equipped with in the action space with the handle linkage complex linkage subassembly of plastic case circuit breaker body, through the gear train linkage cooperation between alternating current motor and the linkage subassembly. The alternating current motor is used as a driving motor, a power supply conversion plate can be directly omitted, the internal space occupancy rate can be reduced, the whole volume is reduced, the working power supply of the motor can be directly taken from the wire inlet end of the switch by utilizing the alternating current motor without being remotely supplied with the working power supply of the motor, and the remote control only needs to provide a signal power supply, so that the power consumption is reduced, and the reliability is improved.

Description

Reclosing molded case circuit breaker

Technical Field

The utility model relates to a low-voltage switch technical field, concretely relates to moulded case circuit breaker recloses.

Background

In a low-voltage power supply and utilization system, the plastic shell type circuit breaker can automatically break an abnormal overcurrent line, so that the reliability of power utilization is ensured, and the plastic shell type circuit breaker is widely used by users. The plastic shell type circuit breaker can only be manually operated to open and close the brake on site, and can only be manually reset on site after protection action, which is the defect of the plastic shell type circuit breaker.

In order to realize the opening and closing of the remote control molded case circuit breaker, a reclosing mechanism is required to be arranged on the molded case circuit breaker, the existing reclosing mechanism is usually external, the whole mechanism is required to be installed on the circuit breaker, the size of the reclosing mechanism is large, the structure is complex, so that a plurality of fault points exist, the installation is inconvenient, the integral height of the reclosing mechanism can be increased when the reclosing mechanism is installed on the molded case circuit breaker, and the installation is inconvenient.

The other installation mode is to modify the shell of the molded case circuit breaker, add a middle cover and install the reclosing mechanism, and the molded case circuit breaker of the mode can damage the original switch structure, so that the important performances of breaking the switch and the like are reduced.

In addition, the motor of the existing reclosing mechanism is mostly supplied with direct current, and in actual application, a power module for converting alternating current into direct current needs to be added, so that a power panel needs to be additionally arranged.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a reclosing moulded case circuit breaker.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a reclosing moulded case circuit breaker, its includes moulded case circuit breaker body and sets up the reclosing mechanism on the moulded case circuit breaker body, reclosing mechanism includes bottom and upper cover, form accommodation space between bottom and the upper cover, accommodation space's mid portion is the action space, arbitrary one side in action space sets up to the motor space, set up AC motor in the motor space, be equipped with in the action space with the handle linkage complex linkage subassembly of moulded case circuit breaker body, through the gear train linkage cooperation between AC motor and the linkage subassembly.

The linkage assembly comprises a guide rail parallel to the rotation direction of the handle, a slider matched with the guide rail in a sliding mode, and a cam matched with the gear set in a linkage mode, wherein the bottom of the slider is provided with a clamping groove matched with the handle, the upper side of the slider is provided with a sliding groove perpendicular to the guide rail, and the cam is embedded in the sliding groove and is matched with the sliding groove in a sliding mode.

The motor space is divided into two mutually independent spaces, namely a first space for placing an alternating current motor and a second space for placing a circuit board.

And an operating groove is formed in a rotating shaft of the cam.

The upper cover is provided with a slidable manual lock, and the manual lock is provided with a first position covering the operation groove and a second position exposing the operation groove.

One end of the cam is provided with a roller which is embedded in the chute.

And reinforcing parts are arranged on two sides of the clamping groove.

The other side of the action space is provided with an indicating space for placing an indicating switch.

One side of the sliding block extends to form a trigger piece.

And a tripping button is arranged on the upper cover.

The utility model has the advantages that: adopt alternating current motor as driving motor, can directly save the power supply changeover panel, can reduce the inner space occupancy rate, reduce whole volume, utilize alternating current motor also can directly follow the working power supply of the inlet wire end of switch and get the motor, and needn't supply with the working power supply of motor remotely, remote control only need provide signal power supply can, thereby reduced the consumption, and improved the reliability, and utilize alternating current motor also can realize supplying power respectively of motor and circuit board, even the circuit board goes wrong, can also carry out divide-shut brake operation through alternating current motor. And simultaneously, the utility model discloses the modularization, it is small, do not destroy original switch structure, each function is complete and reliable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is an internal schematic view of the present invention.

Fig. 4 is a schematic cross-sectional view of the present invention.

Fig. 5 is a schematic structural view of the present invention (without the upper cover).

Fig. 6 is a rear view of the upper cover of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a reclosing plastic case circuit breaker, it includes plastic case circuit breaker body 1 and sets up reclosing mechanism 2 on the plastic case circuit breaker body, reclosing mechanism can dismantle the connection on the plastic case circuit breaker body, can carry out the installation or the not installation of reclosing mechanism according to the demand.

In addition reclosing mechanism includes bottom and upper cover, the bottom is equipped with a plurality of fixed orificess, is convenient for fix the setting on moulded case circuit breaker body, form accommodation space between bottom and the upper cover, accommodation space's mid portion is the action space, arbitrary one side in action space sets up to the motor space, with the space parallel arrangement that the space that the motor was deposited and linkage assembly deposited, can reduce whole reclosing mechanism's volume.

An alternating current motor 8 is arranged in the motor space, a linkage assembly in linkage fit with a handle of the molded case circuit breaker body is arranged in the action space, and the alternating current motor and the linkage assembly are in linkage fit through a gear set 9. The alternating current motor is used as a control source, the design of a power supply conversion board is omitted, the alternating current motor can be independent of the power supply of the circuit board, namely, the alternating current motor and the power supply of the circuit board cannot be influenced, meanwhile, the multifunctional design can be carried out according to the requirement, and the power supply of the motor cannot be influenced among all the functions.

The linkage subassembly includes the guide rail that parallel handle direction of rotation set up, with guide rail sliding fit's slider 18, with gear train linkage complex cam 17, the slider bottom is equipped with the draw-in groove 16 with handle looks adaptation, the slider upside is equipped with the spout 19 that the perpendicular guide rail set up, the cam inlays to be established in the spout to constitute the cooperation of sliding with the spout.

The guide rail sets up the both sides at the handle, and the both ends of slider are equipped with the guiding hole with 15 looks adaptations of guide rail, the guide rail passes the guiding hole setting, and handle 14 inlays simultaneously and establishes in draw-in groove 16, when the slider slides along the guide rail, can drive the handle divide-shut brake, and in order to save inner space, adopts the cooperation of cam and spout, and the motor passes through the gear train and drives the cam rotation, and the circumferential direction of cam is because the restriction of spout to make the slider slide.

The motor space is divided into two mutually independent spaces, and is divided into a first space 20 for placing the alternating current motor and a second space 21 for placing the circuit board, and the two spaces are separated by the partition board, so that the mutual interference between the two spaces can be avoided, and the circuit board is installed in the second space, so that the space utilization rate of the whole accommodating space is also improved.

The upper cover corresponding to the second space can be provided with a display screen 7 and an indicator light which are respectively connected with the circuit board for displaying or working indication.

The rotating shaft of the cam is provided with an operating groove, the cam rotates relative to the rotating shaft, and therefore the operating groove which can be manually operated is arranged on the rotating shaft, the rotating shaft can be manually driven to rotate, and manual opening and closing operation is achieved.

And in order to avoid misoperation, a slidable manual lock 3 can be arranged on the upper cover, the manual lock is provided with a first position covering the operation groove and a second position exposing the operation groove, and the operation groove is covered by the sliding-matched manual lock when manual operation is not needed, so that the loss caused by misoperation is avoided.

The sliding groove is arranged perpendicular to the guide rail direction, the rotation of the cam can be converted into the sliding of the sliding block, in order to reduce the friction force between the cam and the sliding block, a roller can be arranged at one end of the cam, and the roller 23 is embedded in the sliding groove. The friction between the roller and the sliding groove is reduced by utilizing the rolling friction between the roller and the sliding groove.

The cam is fixedly arranged on the fixing part 10 through rotation of the rotating shaft, one side of the rotating shaft, which penetrates through the fixing part, is in linkage fit with the indicating disc 12, the indicating disc is in linkage fit with the gear set, the position, corresponding to the indicating disc, of the upper cover is provided with the indicating window 4, the opening and closing mark on the indicating disc can be observed at the position of the indicating window, and the opening and closing state indicating function is achieved.

The reinforcing parts 22 are arranged on two sides of the clamping groove, so that the matching degree between the reinforcing parts and the handle is improved, and the impact of the action of the handle on the clamping groove is prevented.

The other side of the action space is provided with an indicating space for placing an indicating switch, a rebuttoning position indicating switch 13 and a switching-on position indicating switch 11 can be arranged in the indicating space, and when the sliding block correspondingly acts, the corresponding indicating switch can be triggered, so that a trigger piece is formed by extending one side of the sliding block.

The upper cover is provided with a tripping button 6 which corresponds to a tripping piece of the molded case circuit breaker and can be manually controlled to trip.

The position of the indication space of the upper shell can be provided with a plurality of controller buttons 5 for controlling the circuit board.

The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.

Claims (10)

1. The utility model provides a reclosing moulded case circuit breaker which characterized in that: the reclosing mechanism comprises a molded case circuit breaker body and a reclosing mechanism arranged on the molded case circuit breaker body, wherein the reclosing mechanism comprises a bottom cover and an upper cover, a containing space is formed between the bottom cover and the upper cover, the middle part of the containing space is an action space, any one side of the action space is set to be a motor space, an alternating current motor is arranged in the motor space, a linkage assembly matched with a handle of the molded case circuit breaker body in linkage is arranged in the action space, and the alternating current motor is matched with the linkage assembly through gear set linkage.

2. The reclosing molded case circuit breaker of claim 1, characterized in that: the linkage assembly comprises a guide rail parallel to the rotation direction of the handle, a slider matched with the guide rail in a sliding mode, and a cam matched with the gear set in a linkage mode, wherein the bottom of the slider is provided with a clamping groove matched with the handle, the upper side of the slider is provided with a sliding groove perpendicular to the guide rail, and the cam is embedded in the sliding groove and is matched with the sliding groove in a sliding mode.

3. The reclosing molded case circuit breaker of claim 1, characterized in that: the motor space is divided into two mutually independent spaces, namely a first space for placing an alternating current motor and a second space for placing a circuit board.

4. The reclosing molded case circuit breaker of claim 2, characterized in that: and an operating groove is formed in a rotating shaft of the cam.

5. The reclosing molded case circuit breaker of claim 4, characterized in that: the upper cover is provided with a slidable manual lock, and the manual lock is provided with a first position covering the operation groove and a second position exposing the operation groove.

6. The reclosing molded case circuit breaker of claim 2, characterized in that: one end of the cam is provided with a roller which is embedded in the chute.

7. The reclosing molded case circuit breaker of claim 2, characterized in that: and reinforcing parts are arranged on two sides of the clamping groove.

8. The reclosing molded case circuit breaker of claim 1, characterized in that: the other side of the action space is provided with an indicating space for placing an indicating switch.

9. The reclosing molded case circuit breaker of claim 2, characterized in that: one side of the sliding block extends to form a trigger piece.

10. The reclosing molded case circuit breaker of claim 1, characterized in that: and a tripping button is arranged on the upper cover.

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