CN218039005U - Quick grounding switch for GIS - Google Patents
Quick grounding switch for GIS Download PDFInfo
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- CN218039005U CN218039005U CN202221943176.7U CN202221943176U CN218039005U CN 218039005 U CN218039005 U CN 218039005U CN 202221943176 U CN202221943176 U CN 202221943176U CN 218039005 U CN218039005 U CN 218039005U
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- end contact
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Abstract
The utility model discloses a quick grounding switch for GIS, which comprises a shell, a conductive rod, a movable end contact base, a static end contact, a movable arc contact, a spring contact finger and a transmission device; the shell is subjected to sealing treatment to form a vacuum arc extinguish chamber; the conducting rod is arranged in the arc extinguish chamber; the movable end contact base and the static end contact are respectively arranged on the side wall of the arc extinguish chamber and the conducting rod and are arranged oppositely, and the movable end contact base is grounded; the moving arc contact can conduct electricity and is matched with the moving end contact base in a telescopic way; a spring contact finger is arranged between the moving arc contact and the moving end contact seat; the transmission device is arranged outside the shell and used for driving the movable arc contact to move relative to the movable end contact base in a telescopic mode and be connected with or disconnected from the static end contact. The utility model discloses a set up the spring in the movable end touch pad and touch the finger to replace traditional plum blossom contact, the spring touches the finger can contract when circular telegram in order to hold tightly and touch the flexible matched movable arc contact of movable end touch pad to guarantee the stability of junction, improved earthing switch's through-flow capacity; and the structure is simple and the assembly is convenient.
Description
Technical Field
The utility model relates to a quick earthing switch technical field especially indicates a GIS is with quick earthing switch.
Background
The quick grounding switch is an isolating switch which has the capability of quickly closing short-circuit current and is specially used for manual grounding of a power system, and a main loop of the quick grounding switch is isolated and disconnected from a working grounded shell. When the adjustment and test, cable inspection and cable fault location and other work of gold relay protection are needed, the external world and the GIS main loop conductor are electrically connected through the rapid grounding switch, and the test work is greatly facilitated.
The traditional transmission structure of the grounding switch conducts electricity by using a plum blossom contact, is heavy and complex in structure, high in cost, unstable in dynamic heat, difficult to pass through and complex in assembly, and can be normally disconnected for 2 times; moreover, the static end assembly structure of the traditional grounding switch is heavy, the cost is high, the assembly wastes time and labor, the requirements on skills and experience of an assembly engineer are high, and the assembly can be completed by a plurality of persons.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a GIS is with quick earthing switch improves the through-current capacity of structure, reduce cost, and the assembly is simple, convenient maintenance.
In order to achieve the above purpose, the solution of the present invention is:
a quick grounding switch for a GIS comprises a shell, a conductive rod, a movable end contact base, a static end contact, a movable arc contact, a spring contact finger and a transmission device; the shell is subjected to sealing treatment to form a vacuum arc extinguish chamber; the conducting rod is installed in the arc extinguish chamber; the movable end contact seat and the static end contact are respectively arranged on the side wall of the arc extinguish chamber and the conducting rod and are arranged oppositely, and the movable end contact seat is grounded; the movable arc contact is conductive and is in telescopic fit with the movable end contact seat; the spring contact finger is arranged between the movable arc contact and the movable end contact seat; the transmission device is arranged outside the shell and used for driving the movable arc contact to move relative to the movable end contact base in a telescopic mode and be connected with or disconnected from the static end contact.
The quick grounding switch for the GIS also comprises a cover plate; the shell is provided with a first mounting opening, and the cover plate is connected to the first mounting opening in a sealing mode; the movable end contact seat and the transmission device are respectively arranged on the inner surface and the outer surface of the cover plate.
Preferably, the quick grounding switch for the GIS further comprises a grounding insulator and a grounding bar for grounding the movable contact base; the cover plate is provided with a second mounting hole, the grounding insulator is connected to the second mounting hole in a sealing mode, and the two ends of the grounding bar are connected with the movable end contact base and the grounding insulator respectively.
The quick grounding switch for the GIS also comprises a basin-type insulator; the shell is provided with a third mounting hole, the basin-type insulator is hermetically connected to the third mounting hole, and the conducting rod is coaxially connected to the basin-type insulator.
Preferably, the housing is further provided with a fourth mounting opening, an axis of the fourth mounting opening and an axis of the third mounting opening are arranged in a collinear manner, and an axis of the first mounting opening is perpendicular to an axis of the fourth mounting opening.
The conducting rod is a hollow pipe fitting, and the static end contact is installed on the circumferential surface of the conducting rod.
After the technical scheme is adopted, the utility model discloses following technological effect has:
(1) the spring contact finger is arranged in the movable end contact seat to replace a traditional plum-blossom contact, and the spring contact finger can contract when being electrified to clasp the movable arc contact which is in telescopic fit with the movable end contact seat, so that the stability of a connecting part is ensured, and the through-current capacity of the grounding switch is improved;
(2) the spring contact finger is in an unfolded state when not electrified, the flexible movement of the moving arc contact relative to the moving end contact base cannot be interfered, the moving arc contact is not abraded, the thermal stability of the moving end contact base and the moving arc contact can be ensured, and the service life of the spring contact finger is prolonged; the utility model discloses the structure is simplified, and the assembly is simpler, easy maintenance.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a transmission mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a switch-on process according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the connection state of the embodiment of the present invention;
the reference numbers illustrate:
1-a housing; 11- -an arc chute; 12- - -a first mounting opening;
13- - -a third mounting opening; 14- - -a fourth mounting opening; 2-a conductive rod;
3-moving end contact seat; 4- -stationary end contact; 5- -moving arc contact;
6- -spring fingers; 7- -a transmission; 8- -a cover plate;
81-a second mounting opening; 9-a grounding insulator; 10- - -a ground bar;
20-basin insulator.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, 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, and obviously, the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be understood that the indicated positions or positional relationships are based on the positions or positional relationships shown in the drawings, or the positions or positional relationships that the products of the present invention are usually placed when in use, or the positions or positional relationships that those skilled in the art conventionally understand, and are merely simplified for the convenience of describing the embodiments of the present invention, and do not indicate or imply that the indicated devices or elements must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed.
In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
Referring to fig. 1 and other drawings, the utility model discloses a quick grounding switch for a GIS, which comprises a shell 1, a conducting rod 2, a movable end contact base 3, a static end contact 4, a movable arc contact 5, a spring contact finger 6 and a transmission device 7;
the shell 1 is hermetically treated to form a vacuum arc extinguishing chamber 11;
the conducting rod 2 is installed in the arc extinguishing chamber 11;
the movable end contact base 3 and the static end contact 4 are respectively arranged on the side wall of the arc extinguish chamber 11 and the conducting rod 2 and are oppositely arranged, and the movable end contact base 3 is grounded;
the moving arc contact 5 can conduct electricity and is matched with the moving end contact base 3 in a telescopic way; the spring contact finger 6 is arranged between the moving arc contact 5 and the moving end contact base 3;
the transmission device 7 is installed outside the shell 1 and used for driving the moving arc contact 5 to move telescopically relative to the moving end contact base 3 and to be connected with or disconnected from the static end contact 4.
Specific embodiments of the present invention are shown below.
The utility model also comprises a cover plate 8; the shell 1 is provided with a first mounting port 12, and the cover plate 8 is hermetically connected at the first mounting port 12; the movable contact base 3 and the transmission device 7 are respectively arranged on the inner surface and the outer surface of the cover plate 8 and are locked by bolts.
Furthermore, the utility model also comprises a grounding insulator 9 and a grounding bar 10 which are used for grounding the movable end contact base 3; the cover plate 8 is provided with a second mounting port 81, the grounding insulator 9 is hermetically connected to the second mounting port 81, and two ends of the grounding bar 10 are respectively connected with the movable end contact base 3 and the grounding insulator 9, so that the movable end contact base 3 is grounded.
The utility model also comprises a basin-type insulator 20; the shell 1 is provided with a third mounting hole 13, the basin-type insulator 20 is hermetically connected to the third mounting hole 13, and the conducting rod 2 is coaxially connected to the basin-type insulator 20 so as to be mounted in the arc extinguish chamber 11.
Furthermore, the shell 1 is also provided with a fourth mounting port 14, and the axis of the fourth mounting port 14 and the axis of the third mounting port 13 are arranged in a collinear manner and are used for connecting shells of other GIS equipment; the axis of the first mounting opening 12 is perpendicular to the axis of the third mounting opening 13/the fourth mounting opening 14, for example, the former is vertical, and the latter two are horizontal.
The conductive rod 2 is a hollow pipe, and the stationary contact 4 is mounted on the circumferential surface of the conductive rod 2. The conducting rod 2 of the pipe fitting type is used for replacing a traditional solid bar, the quality of the conducting rod 2 can be reduced, the assembly of workers is facilitated, the operation can be performed by one person, and the labor cost is lower.
The transmission device 7 is a common device used for driving the moving arc contact 5 in the industry, such as a hydraulic, pneumatic, electromagnetic and other types of operating mechanisms, and is connected with the moving arc contact 5 through an insulating pull rod, and the transmission device 7 controls the insulating pull rod to perform linear reciprocating motion so as to drive the moving arc contact 5 to stretch.
Referring to fig. 3 and 4, the working process of the present invention is:
when grounding is needed, the transmission device 7 drives the movable arc contact 5 to extend out relative to the movable end contact base 3 and finally to be in conductive connection with the static end contact 4, current is transmitted to the movable end contact base 3 through the conductive rod 2-the static end contact 4-the movable arc contact 5 under the power-on condition, the spring contact finger 6 in the movable end contact base 3 is powered on and contracts to hold the movable arc contact 5 tightly, and the stability of the through-flow performance is ensured; meanwhile, the current of the movable end contact base 3 is grounded through the grounding bar 10 and the grounding insulator 9.
Through the scheme, the spring contact finger 6 is arranged in the movable end contact base 3 to replace the traditional plum blossom contact, and the spring contact finger 6 can contract when being electrified to hold the movable arc contact 5 which is in telescopic fit with the movable end contact base 3, so that the stability of the connection part is ensured, and the through-current capacity of the grounding switch is improved; meanwhile, the spring contact finger 6 is in an unfolded state when not electrified, the telescopic movement of the moving arc contact 5 relative to the moving end contact base 3 cannot be interfered, the moving arc contact 5 is not abraded, the thermal stability of the moving end contact base 3 and the moving arc contact 5 can be ensured, and the service life of the spring contact finger is prolonged; the utility model discloses the structure is simplified, and the assembly is simpler, easy maintenance.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (6)
1. The utility model provides a GIS is with quick earthing switch which characterized in that:
comprises a shell, a conductive rod, a movable end contact seat, a static end contact, a movable arc contact, a spring contact finger and a transmission device;
the shell is subjected to sealing treatment to form a vacuum arc extinguish chamber;
the conducting rod is installed in the arc extinguish chamber;
the movable end contact seat and the static end contact are respectively arranged on the side wall of the arc extinguish chamber and the conducting rod and are arranged oppositely, and the movable end contact seat is grounded;
the moving arc contact can conduct electricity and is matched with the moving end contact base in a telescopic mode; the spring contact finger is arranged between the moving arc contact and the moving end contact seat;
the transmission device is arranged outside the shell and used for driving the movable arc contact to move relative to the movable end contact base in a telescopic mode and be connected with or disconnected from the static end contact.
2. The fast grounding switch for GIS according to claim 1, characterized in that:
the device also comprises a cover plate; the shell is provided with a first mounting opening, and the cover plate is connected to the first mounting opening in a sealing mode; the movable end contact seat and the transmission device are respectively arranged on the inner surface and the outer surface of the cover plate.
3. The fast grounding switch for GIS according to claim 2, wherein:
the grounding insulator and the grounding bar are used for grounding the movable end contact seat; the cover plate is provided with a second mounting hole, the grounding insulator is connected to the second mounting hole in a sealing mode, and the two ends of the grounding bar are connected with the movable end contact base and the grounding insulator respectively.
4. The fast grounding switch for the GIS according to claim 3, characterized in that:
the insulator also comprises a basin-type insulator; the casing is provided with the third installing port, basin formula insulator sealing connection is in third installing port department, the conducting rod coaxial coupling is in on the basin formula insulator.
5. The fast grounding switch for GIS according to claim 4, characterized in that:
the shell is further provided with a fourth mounting port, the axis of the fourth mounting port and the axis of the third mounting port are arranged in a collinear mode, and the axis of the first mounting port is perpendicular to the axis of the fourth mounting port.
6. The fast grounding switch for GIS of claim 1, wherein:
the conducting rod is a hollow pipe fitting, and the static end contact is installed on the circumferential surface of the conducting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943176.7U CN218039005U (en) | 2022-07-26 | 2022-07-26 | Quick grounding switch for GIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943176.7U CN218039005U (en) | 2022-07-26 | 2022-07-26 | Quick grounding switch for GIS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218039005U true CN218039005U (en) | 2022-12-13 |
Family
ID=84386999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221943176.7U Active CN218039005U (en) | 2022-07-26 | 2022-07-26 | Quick grounding switch for GIS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218039005U (en) |
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2022
- 2022-07-26 CN CN202221943176.7U patent/CN218039005U/en active Active
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