CN217562469U - Anticreep arc control device - Google Patents
Anticreep arc control device Download PDFInfo
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- CN217562469U CN217562469U CN202221569383.0U CN202221569383U CN217562469U CN 217562469 U CN217562469 U CN 217562469U CN 202221569383 U CN202221569383 U CN 202221569383U CN 217562469 U CN217562469 U CN 217562469U
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- arc extinguishing
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- extinguishing device
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Abstract
The utility model discloses an anticreep arc control device, which comprises an arc control device main body, wherein the top end of the arc control device main body is provided with a static end cover plate, and the bottom end of the arc control device main body is provided with a movable end cover plate; the movable conducting rod is arranged at the central position inside the arc extinguishing device main body, the movable conducting rod is arranged at the top end of the movable conducting rod, the static conducting rod is arranged above the movable conducting rod, the bottom end of the static conducting rod is provided with a static contact, the leakage protector is arranged on one side of the arc extinguishing device main body, and the leakage protector is fixedly connected with the outer side of the arc extinguishing device main body through a fixing mechanism. The utility model discloses an install arc control device main part, fixed establishment and earth-leakage protector, earth-leakage protector passes through fixed establishment and is connected with the arc control device main part, through earth-leakage protector and arc control device main part cooperation work, both can play earth-leakage protection's effect, also possesses overload and short-circuit protection's function.
Description
Technical Field
The utility model relates to a vacuum interrupter technical field specifically is an anticreep arc extinguishing device.
Background
When the power supply voltage exceeds several tens of volts and the breaking current is more than several tens of amperes, measures for enhancing the arc extinguishing capability are generally required to reduce the burning loss of the arc to the contact and to limit the space for the arc to spread.
The vacuum arc-extinguishing chamber is also called as a vacuum switch tube, is a common one in the arc-extinguishing device, and mainly enables a medium-high voltage circuit to be rapidly extinguished and restrain current after the power supply is cut off through excellent insulation of vacuum in the tube, so that accidents and accidents are avoided, and the vacuum arc-extinguishing chamber has the advantages of strong breaking capacity, no exposed arc, frequent operation permission and the like, but most of the arc-extinguishing devices have simpler structures, for example, a vacuum arc-extinguishing chamber is described in Chinese patent document CN101976627A, and the arc-extinguishing chamber can not be influenced by the outside during working, but only has overload and short-circuit protection functions, does not have the function of preventing electric leakage, and has insufficient safety during use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a anticreep arc control device to the problem of not local anticreep function that proposes in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an anticreep arc extinguishing device includes: the arc extinguishing device comprises an arc extinguishing device main body, wherein a static end cover plate is arranged at the top end of the arc extinguishing device main body, and a movable end cover plate is arranged at the bottom end of the arc extinguishing device main body;
the movable conducting rod is arranged in the center of the inner part of the arc extinguishing device main body, a movable contact is arranged at the top end of the movable conducting rod, and a pull rod is arranged at the bottom of the movable conducting rod;
a static conductive rod; the static conductive rod is arranged above the dynamic conductive rod, a static contact is arranged at the bottom end of the static conductive rod, and the top end of the static conductive rod extends to the outside of the static end cover plate;
the leakage protector is arranged on one side of the arc extinguishing device main body and is fixedly connected with the outer side of the arc extinguishing device main body through a fixing mechanism;
and the shielding cylinder is positioned at the top end inside the arc extinguishing device main body, and is sleeved outside the connection part of the moving contact and the static contact.
Preferably, the outer side of the shielding cylinder is uniformly distributed with the insertion blocks, and the inner side wall of the arc extinguishing device main body is uniformly provided with the slots matched with the insertion blocks.
Preferably, the two ends of one side of the fixing mechanism are rotatably connected through a rotating shaft, and the two ends of the other side of the fixing mechanism are locked and fixed through fixing bolts.
Preferably, clamping pieces are arranged on two sides of the inside of the fixing mechanism, and rubber pads are arranged on one sides, close to the arc extinguishing device main body, of the clamping pieces.
Preferably, the pull rod extends to the outside of the movable end cover plate, and a corrugated pipe is sleeved on the pull rod in the arc extinguishing device main body.
Preferably, the preformed groove has evenly been seted up to both sides in the fixed establishment, just the inside in preformed groove evenly is provided with through reset spring and receives the piece, the one end that receives the piece all is connected with the holder.
Compared with the prior art, the beneficial effects of the utility model are that: this anticreep arc control device is through installing the arc control device main part, fixed establishment and earth-leakage protector, earth-leakage protector passes through fixed establishment and is connected with the arc control device main part, the both ends of fixed establishment one side are passed through the axis of rotation and are rotated the connection, the both ends of opposite side are passed through fixing bolt and are locked, be convenient for earth-leakage protector's installation and dismantlement, if the electric leakage condition appears after earth-leakage protector inserts the circuit, unusual current or voltage signal will be presented, earth-leakage protector is through detecting, handle this unusual current or voltage signal, with signal transmission to external control ware, external control ware makes actuating mechanism action, actuating mechanism makes the inside moving contact of arc control device main part separate with the static contact, form the plasma of metal steam in the contact gap, when the electric current crosses zero, metal steam reduces, the vacuum state appears in final contact gap, electric arc is extinguished, the electric current is disconnected, earth-leakage protector and arc control device main part cooperation work, both can play earth-leakage protection's effect, also possess overload and short-circuit protection's function.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic top sectional view of the fixing mechanism of the present invention;
fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;
fig. 4 is a schematic top view of the shielding cylinder of the present invention.
In the figure: 1. an arc extinguishing device main body; 2. a moving contact; 3. carrying out static contact; 4. a static conductive rod; 5. a stationary end cover plate; 6. a shielding cylinder; 7. a movable conductive rod; 8. a leakage protector; 9. a fixing mechanism; 10. a bellows; 11. a movable end cover plate; 12. a pull rod; 13. a clamping member; 14. fixing the bolt; 15. reserving a groove; 16. a return spring; 17. a rubber pad; 18. a pressure receiving member; 19. inserting a block; 20. and (4) a slot.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: an anticreep arc extinguishing device includes: the arc extinguishing device comprises an arc extinguishing device main body 1, wherein a static end cover plate 5 is arranged at the top end of the arc extinguishing device main body 1, and a movable end cover plate 11 is arranged at the bottom end of the arc extinguishing device main body 1;
the arc extinguishing device comprises a movable conducting rod 7, wherein the movable conducting rod 7 is arranged in the center of the inner part of an arc extinguishing device main body 1, a movable contact 2 is arranged at the top end of the movable conducting rod 7, and a pull rod 12 is arranged at the bottom of the movable conducting rod 7;
the static conductive rod 4 is arranged above the dynamic conductive rod 7, the bottom end of the static conductive rod 4 is provided with a static contact 3, and the top end of the static conductive rod 4 extends to the outside of the static end cover plate 5;
the pull rod 12 extends to the outside of the movable end cover plate 11, the pull rod 12 is connected with an external actuating mechanism, and the movable contact 2 on the movable conducting rod 7 is driven to be in contact with and separated from the static contact 3;
the corrugated pipe 10 is sleeved on the pull rod 12 in the arc extinguishing device main body 1, and is used for ensuring the moving electrode to move in a certain range and keeping high vacuum for a long time and ensuring that the arc extinguishing device main body 1 has very long mechanical life;
the leakage protector 8 is arranged on one side of the arc extinguishing device main body 1, and the leakage protector 8 is fixedly connected with the outer side of the arc extinguishing device main body 1 through a fixing mechanism 9;
if the leakage condition occurs after the leakage protector 8 is connected into the circuit, an abnormal current or voltage signal is presented, the leakage protector 8 detects and processes the abnormal current or voltage signal, the signal is transmitted to an external controller, and the external controller prompts an actuating mechanism to act;
the actuating mechanism pulls the movable conducting rod 7 through the pull rod 12, so that the movable contact 2 and the static contact 3 in the arc extinguishing device main body 1 are separated, plasma of metal steam is formed in a contact gap, when current passes through zero, the metal steam is reduced, finally, a vacuum state is generated in the contact gap, electric arcs are extinguished, and meanwhile, the current is cut off;
through the cooperation of the leakage protector 8 and the arc extinguishing device main body 1, the device can play a role in leakage protection and also has the functions of overload and short-circuit protection;
two ends of one side of the fixing mechanism 9 are rotatably connected through a rotating shaft, and two ends of the other side of the fixing mechanism 9 are locked and fixed through fixing bolts 14, so that the leakage protector 8 and the arc extinguishing device main body 1 can be conveniently installed and detached;
both sides in the fixing mechanism 9 are uniformly provided with reserved grooves 15, pressure-receiving pieces 18 are uniformly arranged in the reserved grooves 15 through return springs 16, and one ends of the pressure-receiving pieces 18 are connected with the clamping pieces 13;
when the outer wall of the arc extinguishing device main body 1 is clamped, one side of the clamping piece 13 extrudes the pressed piece 18 to enable the pressed piece to compress the return spring 16 in the reserved groove 15, and the pressed piece can be installed with the arc extinguishing device main bodies 1 of different specifications through the telescopic resilience effect of the return spring 16, so that the applicability is wider;
the shielding cylinder 6 is positioned at the top end of the inner part of the arc extinguishing device main body 1, and the shielding cylinder 6 is sleeved outside the joint of the moving contact 2 and the static contact 3;
the arc extinguishing device is beneficial to preventing a large amount of metal steam and liquid drops from splashing in the arc burning process, polluting the inner wall of the arc extinguishing device main body 1 and preventing the insulation strength of the arc extinguishing device main body 1 from being reduced or flashover from being generated;
the outer side of the shielding cylinder 6 is uniformly distributed with inserting blocks 19, and the inner side wall of the arc extinguishing device main body 1 is uniformly provided with inserting grooves 20 matched with the inserting blocks 19;
the shielding cylinder 6 is inserted into a slot 20 formed in the arc extinguishing device main body 1 through an insertion block 19, so that the shielding cylinder 6 is convenient to detach and replace;
the specific model specification of the leakage protector 8 needs to be determined by model selection calculation according to specification parameters and the like of the device, and the model selection calculation method is the prior art, so detailed description is omitted.
The working principle is as follows: when the electric leakage protector is used, two ends of one side of the fixing mechanism 9 are rotatably connected through the rotating shaft, two ends of the other side of the fixing mechanism are locked through the fixing bolts 14, so that the electric leakage protector 8 is fixedly connected with the arc extinguishing device main body 1 through the fixing mechanism 9, the clamping piece 13 is tightly attached to the outer wall of the arc extinguishing device main body 1, one side of the clamping piece 13 is provided with the rubber pad 17, friction force is increased, connection is more tight and stable, meanwhile, when the outer wall of the arc extinguishing device main body 1 is clamped, one side of the clamping piece 13 extrudes the pressed piece 18 to enable the pressed piece to compress the reset spring 16 in the reserved groove 15, the electric leakage protector can be installed with the arc extinguishing device main bodies 1 of different specifications through the telescopic resilience effect of the reset spring 16, the electric leakage protector is wider in applicability, if an electric leakage condition occurs after the electric leakage protector 8 is connected into a circuit, an abnormal current or voltage signal is presented, the leakage protector 8 transmits the signal to an external controller through detecting and processing the abnormal current or voltage signal, the external controller prompts an actuating mechanism to act, the actuating mechanism pulls the movable conducting rod 7 through the pull rod 12 to separate the movable contact 2 and the static contact 3 in the arc extinguishing device body 1, metal steam plasma is formed in a contact gap, when the current passes through zero, the metal steam is reduced, finally, a vacuum state appears in a contact gap, electric arc is extinguished, meanwhile, the current is cut off, the device can play a role in leakage protection and also has the functions of overload and short-circuit protection through the matching of the leakage protector 8 and the arc extinguishing device body 1, in addition, the shielding cylinder 6 is arranged at the outer sides of the movable contact 2 and the static contact 3, which is beneficial to preventing a large amount of metal steam and liquid drops from splashing in the arc burning process and polluting the inner wall of the arc extinguishing device body 1, the insulation strength of the arc-extinguishing device main body 1 is prevented from being reduced or flashover is prevented, and the shielding cylinder 6 is inserted into the slot 20 formed in the arc-extinguishing device main body 1 through the insertion block 19, so that the shielding cylinder 6 can be conveniently detached and replaced.
It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An anticreep arc control device which characterized in that includes:
the arc extinguishing device comprises an arc extinguishing device main body (1), wherein a static end cover plate (5) is arranged at the top end of the arc extinguishing device main body (1), and a movable end cover plate (11) is arranged at the bottom end of the arc extinguishing device main body (1);
the arc extinguishing device comprises a movable conducting rod (7), wherein the movable conducting rod (7) is arranged in the center of the inner part of an arc extinguishing device main body (1), a movable contact (2) is arranged at the top end of the movable conducting rod (7), and a pull rod (12) is arranged at the bottom of the movable conducting rod (7);
the static conductive rod (4) is arranged above the dynamic conductive rod (7), the bottom end of the static conductive rod (4) is provided with a static contact (3), and the top end of the static conductive rod (4) extends to the outside of the static end cover plate (5);
the leakage protector (8) is arranged on one side of the arc-extinguishing device main body (1), and the leakage protector (8) is fixedly connected with the outer side of the arc-extinguishing device main body (1) through a fixing mechanism (9);
the arc extinguishing device comprises a shielding cylinder (6), wherein the shielding cylinder (6) is located at the top end inside the arc extinguishing device body (1), and the shielding cylinder (6) is sleeved outside the joint of the moving contact (2) and the static contact (3).
2. The arc extinguishing apparatus of claim 1, wherein: the arc extinguishing device is characterized in that inserting blocks (19) are uniformly distributed on the outer side of the shielding cylinder (6), and inserting grooves (20) matched with the inserting blocks (19) are uniformly formed in the inner side wall of the arc extinguishing device main body (1).
3. The arc extinguishing apparatus of claim 1, wherein: the two ends of one side of the fixing mechanism (9) are rotatably connected through a rotating shaft, and the two ends of the other side of the fixing mechanism (9) are locked and fixed through fixing bolts (14).
4. The arc extinguishing apparatus of claim 1, wherein: the arc extinguishing device is characterized in that clamping pieces (13) are arranged on two sides of the interior of the fixing mechanism (9), and rubber pads (17) are arranged on one sides, close to the arc extinguishing device main body (1), of the clamping pieces (13).
5. The arc extinguishing apparatus of claim 4, wherein: reservation groove (15) have evenly been seted up to both sides in fixed establishment (9), just the inside of reservation groove (15) is evenly provided with through reset spring (16) and is pressed piece (18), the one end that presses piece (18) all is connected with holder (13).
6. The arc extinguishing apparatus of claim 1, wherein: the pull rod (12) extends to the outside of the movable end cover plate (11), and the corrugated pipe (10) is sleeved on the pull rod (12) in the arc extinguishing device main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221569383.0U CN217562469U (en) | 2022-06-22 | 2022-06-22 | Anticreep arc control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221569383.0U CN217562469U (en) | 2022-06-22 | 2022-06-22 | Anticreep arc control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217562469U true CN217562469U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221569383.0U Active CN217562469U (en) | 2022-06-22 | 2022-06-22 | Anticreep arc control device |
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| CN (1) | CN217562469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863105A (en) * | 2023-01-18 | 2023-03-28 | 国网山西省电力公司吕梁供电公司 | Distribution network grounding arc-extinguishing device |
-
2022
- 2022-06-22 CN CN202221569383.0U patent/CN217562469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863105A (en) * | 2023-01-18 | 2023-03-28 | 国网山西省电力公司吕梁供电公司 | Distribution network grounding arc-extinguishing device |
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