CN220085873U - Excitation type breaking multi-sealing device - Google Patents

Abstract

The utility model relates to an excitation type breaking multi-sealing device for protecting a circuit, comprising: the device comprises a shell, an excitation source, an impact piece, a conductive piece and at least one centering piece, wherein a containing cavity is formed in the shell, the excitation source is arranged in the shell, the impact piece is connected with the excitation source and is arranged in the containing cavity, the centering piece is convexly arranged on the peripheral wall of the impact piece, the centering piece is used for enabling the central axis of the impact piece to be aligned with the central axis of the containing cavity, and the conductive piece radially penetrates through the shell; the excitation source is started under the preset condition, so that the impact piece moves towards the conductive piece, and the conductive piece can be broken under the impact of the impact piece. The matching relation between the impact piece and the shell is clearance fit, when the excitation source is started under the preset condition, the centering piece can enable the shell to follow the preset motion path, so that initial power loss of the impact piece obtained from the excitation source is reduced or avoided, time required by the impact piece to break the conductive piece is shortened, and time before an arc is shortened.

Description

Excitation type breaking multi-sealing device

Technical Field

The utility model relates to the technical field of electric power and new energy, in particular to an excitation type breaking multi-sealing device.

Background

With the progress of technology, in order to protect equipment in a circuit and avoid the safety of life and property endangered by circuit faults, a device for protecting the circuit is generated, and in the prior art, a conductive piece is impacted by an impact piece so as to break the conductive piece, so that the purpose of protecting the equipment in the circuit is achieved, and the impact piece is easy to shake in a shell in the process of movement and even damages the shell.

Disclosure of Invention

Based on this, it is necessary to provide an excited breaking multi-seal device.

The utility model provides an excitation type breaking multi-sealing device, which is used for protecting a circuit and is characterized by comprising the following components: the device comprises a shell, an excitation source, an impact piece, a conductive piece and at least two centering pieces, wherein a containing cavity is formed in the shell, the excitation source is installed in the shell, the impact piece is connected with the excitation source and is arranged in the containing cavity, the centering pieces are convexly arranged on the peripheral wall of the impact piece, the centering pieces are used for enabling the central axis of the impact piece to be aligned with the central axis of the containing cavity, and the conductive piece radially penetrates through the shell;

the excitation source is started under a preset condition, so that the impact piece moves towards the conductive piece, and the conductive piece can be broken under the impact of the impact piece.

The impact piece and the shell are in clearance fit in the matching relation, when the excitation source is started under the preset condition, the centering piece can enable the shell to follow the preset motion path, initial power loss of the impact piece obtained from the excitation source is reduced or avoided, time required by the impact piece to break the conductive piece is shortened, and time before an arc is shortened.

In one embodiment, the centering member comprises a resilient member.

So set up, the elastic component can play the effect of buffering when impact member rapid motion, lead to the casing to appear damaging or breaking when avoiding impact member motion.

In one embodiment, the centering member is annular, the impact member is provided with an annular mounting groove, and the centering member is mounted in the mounting groove.

So set up, the mounting groove can avoid the centering piece to displace when the impact member moves, ensures that the impact member can smooth and easy motion in the casing, and annular centering piece is easy to produce and process to set up annular mounting groove and easy implementation on the centering piece, reduce the manufacturing cost and the installation cost of centering piece.

In one embodiment, the centering member comprises a rigid member.

By the arrangement, the centering effect of the centering piece on the impact piece is improved, and the impact piece moves smoothly in the shell.

In one embodiment, the impingement member and the centering member are integrally formed.

By the arrangement, negative influence of the centering piece on the stability of the impact piece is avoided or reduced, the stability of the impact piece and the centering piece is improved, and the impact piece can smoothly break the conductive piece.

In one embodiment, the centering member is annular.

The annular centering piece with rigidity can improve the centering effect of the centering piece, and the impact piece can smoothly break the conductive piece.

In one embodiment, at least two of the centering members are spaced apart along the axial direction of the impingement member.

The arrangement can improve the centering effect of the impact piece relative to the shell and shorten the arc time due to the position relation between the at least two centering pieces and the centering pieces.

In one embodiment, after the conductive member is broken by the impact member, the centering members are located on a side of the conductive member that is relatively close to the excitation source.

When the centering pieces are positioned on one side of the conductive piece, which is relatively close to the excitation source, the arc extinguishing space of the conductive piece can be reduced, the arc extinguishing time is shortened, and the temperature of the shell is reduced.

In one embodiment, after the conductive member is broken by the impact member, at least one of the centering members is located on a side of the conductive member that is relatively close to the excitation source, and at least one of the centering members is located away from the excitation source with respect to the conductive member.

By the arrangement, the centering effect of the centering piece for the impact piece can be improved, loss of the impact piece before the conductive piece is not broken is reduced, and the time for the impact piece to break the conductive piece is shortened.

In one embodiment, the centering member includes a guide ramp facing away from the excitation source.

When the excitation source is started under the preset condition, the guide inclined plane can guide the movement of the impact piece, so that the air resistance generated by the centering piece in the movement process of the impact piece is reduced, and the pre-arc time is shortened.

In one embodiment, the energizing breaking multi-seal device further comprises a stop structure mounted to a side of the peripheral wall of the impingement member adjacent to the centering member, the stop structure being configured to resist movement of the centering member when the impingement member is axially moved.

So set up, the backstop structure can avoid the centering piece to appear the displacement at the in-process of motion, ensures that the impact piece can smooth and easy motion, makes the impact piece can center, shortens the arc time.

Drawings

FIG. 1 is a schematic diagram of an excitation type breaking multi-seal device of the present utility model;

FIG. 2 is a schematic view of the structure of the excitation source of the excitation type breaking multi-seal device of the present utility model, wherein A-A in FIG. 1 is taken as a section line when the excitation source is not started;

FIG. 3 is a schematic view of a partial structure of the impulse member of the multi-seal device of the present utility model after breaking the conductive member with A-A of FIG. 1 as a cut line;

FIG. 4 is a schematic view of the impact member of FIG. 2 with a centering member mounted thereon;

FIG. 5 is a schematic view of the full section structure of FIG. 4;

FIG. 6 is a schematic view of the impingement member of FIG. 2;

fig. 7 is a schematic diagram of the full section structure of fig. 6.

Reference numerals:

100. excitation type breaking multi-sealing device; 10. a housing; 11. a receiving chamber; 20. an excitation source; 30. an impact member; 31. a mounting groove; 40. a conductive member; 50. and a centering piece.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

With the progress of technology, in order to protect equipment in a circuit and avoid the safety of life and property endangered by circuit faults, a device for protecting the circuit is generated, and in the prior art, a conductive piece is impacted by an impact piece so as to break the conductive piece, so that the purpose of protecting the equipment in the circuit is achieved, and the impact piece is easy to shake in a shell in the process of movement and even damages the shell.

Referring to fig. 1, fig. 1 shows a schematic structural diagram of an excitation type breaking multi-seal device 100 according to an embodiment of the utility model.

Referring to fig. 1 to 7, the present utility model provides an excitation type breaking multi-sealing device 100 for protecting a circuit, comprising: the device comprises a shell 10, an excitation source 20, an impact piece 30, a conductive piece 40 and at least two centering pieces 50, wherein a containing cavity 11 is formed in the shell 10, the excitation source 20 is arranged on the shell 10, the impact piece 30 is connected with the excitation source 20 and is arranged in the containing cavity 11, the centering pieces 50 are convexly arranged on the outer peripheral wall of the impact piece 30, the centering pieces 50 are used for enabling the central axis of the impact piece 30 to be aligned with the central axis of the containing cavity 11, and the conductive piece 40 radially penetrates through the shell 10;

the excitation source 20 is activated under a preset condition, so that the impact member 30 moves toward the conductive member 40, and the conductive member 40 can be broken under the impact of the impact member 30.

So set up, the cooperation relation between impact piece 30 and casing 10 is clearance fit, and when excitation source 20 starts under the preset condition, centering piece 50 can make casing 10 follow the motion path of predetermineeing, reduces or avoids impact piece 30 to obtain initial power loss from excitation source 20 department, shortens impact piece 30 and breaks the required time of electrically conductive piece 40, shortens the time before the arc.

It will be appreciated that the radial direction described in this embodiment is denoted as direction α (as shown in fig. 2).

Referring to fig. 2-3, in one embodiment, the centering member 50 includes a resilient member.

So set up, the elastic component can play the buffering effect when impact member 30 rapid motion, lead to the casing 10 to appear damaging or breaking when avoiding impact member 30 motion.

Alternatively, in the present embodiment, the elastic member is implemented so as to be mounted on the inner peripheral wall of the case 10 where the outer peripheral wall of the impact member 30 protrudes from the outer peripheral wall without elastically abutting against the outer peripheral wall, and in other embodiments of the present utility model, the elastic member may be implemented so as to be mounted on the inner peripheral wall of the case 10 where the outer peripheral wall of the impact member 30 protrudes from the outer peripheral wall and elastically abuts against the outer peripheral wall, as long as the energizing multiple-seal device 100 can serve the purpose of protecting the circuit.

Referring to fig. 2 to 7, in one embodiment, the centering member 50 is annular, the impact member 30 is provided with an annular mounting groove 31, and the centering member 50 is mounted in the mounting groove 31.

So set up, mounting groove 31 can avoid centering piece 50 displacement when impact piece 30 moves, ensures that impact piece 30 can smooth and easy motion in casing 10, and annular centering piece 50 easily production and processing to set up annular mounting groove 31 easy implementation on centering piece 50, reduction centering piece 50's manufacturing cost and installation cost.

Alternatively, the centering member 50 is implemented as a ring in the present embodiment, and in other embodiments of the present utility model, the centering member 50 may be implemented as a "C" shape, an arc shape, a circular shape, a triangular shape, or a polygonal shape, as long as the centering member 50 is capable of centering the impact member 30.

Alternatively, the mounting groove 31 is implemented as a ring shape in the present embodiment, and in other embodiments of the present utility model, the mounting groove 31 may be implemented as an arc shape, a circular shape, a triangular shape, or a polygonal shape as long as the mounting groove 31 can be used for mounting the centering member 50.

Alternatively, the mounting groove 31 is implemented as a straight groove in the present embodiment, and in other embodiments of the present utility model, the mounting groove 31 may be implemented as a dovetail groove as long as the mounting groove 31 can be used for mounting the centering member 50.

Referring to fig. 2-3, in one embodiment, the centering member 50 includes a rigid member (not shown).

In this way, the centering effect of the centering member 50 on the impact member 30 is improved, and the impact member 30 moves smoothly in the housing 10.

Alternatively, in the present embodiment, the rigid member is implemented so as to be mounted on the inner peripheral wall of the case 10 where the outer peripheral wall of the impact member 30 protrudes from the outer peripheral wall without elastically abutting against the outer peripheral wall, and in other embodiments of the present utility model, the rigid member may be implemented so as to be mounted on the inner peripheral wall of the case 10 where the outer peripheral wall of the impact member 30 protrudes from the outer peripheral wall and elastically abutting against the outer peripheral wall, as long as the energizing multiple-seal device 100 can serve the purpose of protecting the circuit.

Referring to fig. 4 to 7, in one embodiment, the impact member 30 and the centering member 50 are integrally formed.

By the arrangement, the negative influence of the centering piece 50 on the stability of the impact piece 30 is avoided or reduced, the stability of the impact piece 30 and the centering piece 50 is improved, and the impact piece 30 can smoothly break the conductive piece 40.

Alternatively, in the present embodiment, the impact member 30 and the centering member 50 are integrally formed, and in other embodiments of the present utility model, the impact member 30 and the centering member 50 may be separately formed, as long as the impact member 30 can smoothly break the conductive member 40.

Alternatively, the centering member 50 is implemented to include a rigid member and an elastic member in the present embodiment, and in other embodiments of the present utility model, the centering member 50 may be implemented to include a flexible member, so long as the centering member 50 is capable of centering the impact member 30.

Referring to fig. 2-7, in one embodiment, the centering member 50 is annular.

By this arrangement, the annular and rigid centering member 50 can enhance the centering effect of the centering member 50, and the impact member 30 can smoothly break the conductive member 40.

Referring to fig. 2-5, in one embodiment, the centering members 50 are at least two, and the at least two centering members 50 are spaced apart along the axial direction of the impact member 30.

By this arrangement, the centering effect of the impact member 30 with respect to the housing 10 can be improved and the time before the arc can be shortened by the at least two centering members 50 and the positional relationship between the centering members 50.

Alternatively, in the present embodiment, the contact form of one centering member 50 with the inner peripheral wall of the housing 10 is implemented as a line contact, and in other embodiments of the present utility model, the contact form of the centering member 50 with the inner peripheral wall of the housing 10 may be implemented as a point contact or a surface contact, as long as the centering effect of the impact member 30 can be improved.

Referring to fig. 2 to 3, in one embodiment, after the conductive member 40 is broken by the impact member 30, the centering members 50 are located on a side of the conductive member 40 relatively close to the excitation source 20.

By this arrangement, when the centering members 50 are both located on the side of the conductive member 40 relatively close to the excitation source 20, the arc extinguishing space of the conductive member 40 can be reduced, the arc extinguishing time can be shortened, and the temperature of the housing 10 can be reduced.

Referring to fig. 2-3, in one embodiment, after the conductive member 40 is broken by the impact member 30, at least one centering member 50 is located on a side of the conductive member 40 relatively close to the excitation source 20, and at least one centering member 50 is located relatively far from the excitation source 20 than the conductive member 40.

By the arrangement, the centering effect provided by the centering piece 50 for the impact piece 30 can be improved, the loss of the impact piece 30 before the conductive piece 40 is not broken is reduced, and the time for breaking the conductive piece 40 by the impact piece 30 is shortened.

Alternatively, in the present embodiment, the distance between the two centering members 50 is implemented to be greater than the width of the conductive member 40, and in other embodiments of the present utility model, the distance between the two centering members 50 may be implemented to be less than or equal to the width of the conductive member 40, as long as the centering members 50 can enhance the centering effect of the impact member 30.

Referring to fig. 2-7, in one embodiment, centering member 50 includes a guide ramp (not shown) facing away from excitation source 20.

Thus, when the excitation source 20 is started under the preset condition, the guiding inclined plane can guide the movement of the impact piece 30, so that the air resistance generated by the centering piece 50 in the movement process of the impact piece 30 is reduced, and the pre-arc time is shortened.

Alternatively, in the present embodiment, the centering member 50 is implemented to include a guiding slope, and in other embodiments of the present utility model, the centering member 50 may be implemented without a guiding slope, so long as the impact member 30 can rapidly break the conductive member 40.

Referring to fig. 2 to 7, in one embodiment, the energizing multiple-break sealing device 100 further includes a stopper structure (not shown) mounted on a side of the peripheral wall of the impact member 30 adjacent to the centering member 50, the stopper structure being configured to block movement of the centering member 50 when the impact member 30 moves axially.

So set up, the stopper structure can avoid the centering piece 50 to appear the displacement at the in-process of motion, ensures that impact piece 30 can smooth and easy motion, makes impact piece 30 can center, shortens the time before the arc.

Alternatively, in the present embodiment the stop structure is embodied to be rigid, and in other embodiments of the present utility model, the stop structure may be embodied to be resilient or flexible, so long as the stop structure is capable of resisting displacement of the centering member 50 upon movement of the impact member 30.

Alternatively, in the present embodiment, the stop structure is implemented as a ring shape, and in other embodiments of the present utility model, the stop structure may be implemented as a triangle shape, a circle shape, or a polygon shape, as long as the stop structure can prevent the centering member 50 from being displaced during movement.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides an excitation formula divides disconnected many sealing device for protection circuit, its characterized in that includes: the device comprises a shell, an excitation source, an impact piece, a conductive piece and at least two centering pieces, wherein a containing cavity is formed in the shell, the excitation source is installed in the shell, the impact piece can act on the excitation source and is arranged in the containing cavity, the centering pieces are convexly arranged on the peripheral wall of the impact piece, the centering pieces are used for enabling the central axis of the impact piece to be aligned with the central axis of the containing cavity, and the conductive piece radially penetrates through the shell;

the excitation source is started under a preset condition, so that the impact piece moves towards the conductive piece, and the conductive piece can be broken under the impact of the impact piece.

2. An energized breaking multi-seal device according to claim 1, wherein the centering member comprises an elastic member.

3. An excited breaking multi-seal device according to claim 2, wherein the centering member is annular, the impact member is provided with an annular mounting groove, and the centering member is mounted in the mounting groove.

4. An energized breaking multi-seal device according to claim 1, wherein the centering member comprises a rigid member.

5. An energized breaking multi-seal device according to claim 4, wherein the impingement member and the centering member are integrally formed; and/or the number of the groups of groups,

the centering piece is annular.

6. An energized breaking multi-seal device according to any of claims 1 to 5, wherein at least two of the centering members are spaced apart along the axial direction of the impingement member.

7. An energized breaking multi-seal device according to claim 6, wherein the centering members are located on a side of the conductive member that is relatively close to the energizing source after the conductive member is broken by the impingement member.

8. A stimulated release multi-seal device according to claim 6, wherein after the conductive member is broken by the impact member, at least one of the centering members is located on a side of the conductive member that is relatively close to the excitation source, and at least one of the centering members is remote from the excitation source relative to the conductive member.

9. An energized breaking multi-seal device according to any of claims 1 to 5, wherein the centering member includes a guiding ramp facing away from the source of the energizing force.

10. A multiple energizing multiple break seal according to claim 4, further comprising a stop structure mounted to a side of the peripheral wall of the impingement member adjacent the centering member for blocking movement of the centering member when the impingement member is axially moved.