CN213660279U - PEI (polyetherimide) closed type extra-high voltage isolating switch - Google Patents

Abstract

The utility model discloses a closed special high voltage isolator of PEI, including main part, main frame, side frame, draw-in groove, fixture block, first logical line hole, second logical line hole, installation chassis, connecting rod, fixed plate, connecting plate, thread groove, high-pressure isolator structure, activity contact seat and plug-in strip, the utility model discloses, be different from current technique, rational in infrastructure, convenient to use, easy operation can let the user simply clear understand theory of operation, and the design of main frame and side frame can effectively block and come from external harm, prevents that inner structure from causing the damage, and draw-in groove and fixture block cooperation can be quick assemble main frame and side frame fixedly, convenient and fast, and first logical line hole and second logical line hole can make the circuit of connecting extend into inside, can not cause the circuit to block.

Description

PEI (polyetherimide) closed type extra-high voltage isolating switch

Technical Field

The utility model relates to a high voltage isolator technical field specifically is a PEI closed extra-high voltage isolator.

Background

The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation, and needs to be matched with a high-voltage circuit breaker for use, is suitable for an indoor device with three-phase alternating current of 50Hz and rated voltage of 12KV, is connected, disconnected or switched on under the condition of voltage and load of high-voltage equipment, and has the main functions of: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, inputting load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function; the voltage class is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of insulating support columns, and each voltage class is provided with optional equipment;

the existing high-voltage isolating switch is not strong in self-sealing performance and is easy to damage due to collision of foreign objects or other reasons, so that unnecessary loss is caused, and therefore, it is necessary to design a PEI (polyetherimide) closed type extra-high voltage isolating switch to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PEI closed extra-high voltage isolator can seal high voltage isolator, prevents that the outside from causing the damage to high voltage isolator.

The purpose of the utility model can be realized by the following technical scheme: a PEI closed type extra-high voltage isolating switch comprises a main body, wherein the main body comprises a main outer frame and side outer frames, two side outer frames are movably arranged at two ends of the main outer frame, the positions of the two side outer frames are mutually symmetrical, the top surface of the main outer frame is provided with a plurality of clamping grooves, each clamping groove is of a T-shaped structure, the positions of the clamping grooves are mutually symmetrical, a plurality of clamping blocks are fixedly arranged at the top of one side of the two side outer frames, which is opposite to the side outer frames, each clamping block is of a T-shaped structure, and the positions of the clamping blocks are mutually symmetrical, and is matched with the size of the clamping groove, a plurality of first through-line holes are arranged on two sides of the main outer frame, and every the position of first through-hole is symmetrical each other, two a plurality of second through-holes have all been seted up to the side of side frame, and the position of every second through-hole is symmetrical each other.

As a further aspect of the present invention: the bottom of main part is provided with the installation chassis, the installation chassis includes connecting rod, fixed plate and connecting plate, the equal fixedly connected with in both ends of connecting rod the fixed plate, and two the mutual symmetry in position of fixed plate, two connecting plates of one side fixedly connected with that two fixed plates are relative, just the connecting rod is located two the centre of connecting plate, the installation chassis mainly used is fixed, increases stability, the connecting plate with the connecting rod is used for installation and intercommunication the high-pressure isolator structure.

As a further aspect of the present invention: the two fixing plates are of L-shaped structures, two thread grooves are formed in the surfaces of the two fixing plates and are symmetrical to each other in position, and the thread grooves are used for fixing the installation underframe.

As a further aspect of the present invention: the connecting rod with the surface of connecting plate all is fixed and is provided with a plurality of high voltage isolator structures, and every the mutual symmetry in position of high voltage isolator structure, the high voltage isolator structure guarantees the safety of high-voltage apparatus and device when overhauing the work, plays the effect of isolated voltage.

As a further aspect of the present invention: the top end of the high-voltage isolating switch structure is fixedly provided with a movable contact seat, and the movable contact seat is one of key parts of the high-voltage isolating switch structure and plays a role in adjustment.

As a further aspect of the present invention: two knife switches are fixedly arranged on two sides of the movable contact seat, the two knife switches are symmetrical in position, and the knife switches are convenient to move and connect the movable contact seat.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the PEI closed type extra-high voltage isolating switch is different from the prior art, has reasonable structure, convenient use and simple operation, can enable a user to simply and clearly understand the working principle, the design of the main outer frame and the side outer frame can effectively block the harm from the outside, the damage of the internal structure is prevented, the main outer frame and the side outer frame can be quickly assembled and fixed by the matching of the clamping groove and the clamping block, the PEI closed type extra-high voltage isolating switch is convenient and quick, the connected circuit can extend into the inside by the first through hole and the second through hole, the circuit cannot be blocked, the installation bottom frame is mainly used for fixing and increasing the stability, the connecting plate and the connecting rod are used for installing and communicating the high voltage isolating switch structure, the threaded groove is used for fixedly installing the bottom frame, the high voltage isolating switch structure ensures the safety of a high voltage electrical appliance and the device during the maintenance work, plays a role of isolating voltage, the knife switch has the function of adjustment, and the knife switch is convenient for the movement and connection of the movable contact seat.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a view showing the internal structure of the main body of the present invention;

fig. 3 is an enlarged view taken from the center of fig. 2.

In the figure: 1. a main body; 2. a main outer frame; 3. a side outer frame; 4. a card slot; 5. a clamping block; 6. a first through hole; 7. a second through hole; 8. installing a bottom frame; 9. a connecting rod; 10. a fixing plate; 11. a connecting plate; 12. a thread groove; 13. a high voltage isolator structure; 14. a movable contact seat; 15. a knife switch.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a closed special high voltage isolator of PEI, comprising a main body 1, main part 1 includes main frame 2 and side frame 3, the both ends activity of main frame 2 is provided with two side frames 3, and the mutual symmetry in position of two side frames 3, a plurality of draw-in grooves 4 have been seted up on the top surface of main frame 2, every draw-in groove 4 is T type structure, and the mutual symmetry in position of every draw-in groove 4, two relative one side tops of side frame 3 are all fixed and are provided with a plurality of fixture blocks 5, every fixture block 5 is T type structure, and the mutual symmetry in position of every fixture block 5, and with the big or small phase-match of draw-in groove 4, a plurality of first lead to line hole 6 have been seted up to the both sides of main frame 2, and the mutual symmetry in position of every first lead to line hole 6, a plurality of second lead to line holes 7 have all been seted up to the side.

As an embodiment of the utility model, the bottom of the main body 1 is provided with an installation chassis 8, the installation chassis 8 comprises a connecting rod 9, fixing plates 10 and connecting plates 11, both ends of the connecting rod 9 are fixedly connected with the fixing plates 10, the positions of the two fixing plates 10 are symmetrical, one side of the two fixing plates 10 opposite is fixedly connected with the two connecting plates 11, the connecting rod 9 is positioned between the two connecting plates 11, the installation chassis 8 is mainly used for fixing and increasing the stability, the connecting plates 11 and the connecting rod 9 are used for installing and communicating a high-voltage isolation switch structure 13, the two fixing plates 10 are both L-shaped structures, the surfaces of the two fixing plates 10 are both provided with two thread grooves 12, the positions of the two thread grooves 12 are symmetrical, the thread grooves 12 are used for fixing the installation chassis 8, the surfaces of the connecting rod 9 and the connecting plates 11 are both fixedly, and the positions of each high-voltage isolating switch structure 13 are mutually symmetrical, the high-voltage isolating switch structures 13 ensure the safety of high-voltage electrical appliances and devices during maintenance work, and play a role in isolating voltage, the top end of each high-voltage isolating switch structure 13 is fixedly provided with a movable contact seat 14, and the movable contact seat 14 is one of key components of the high-voltage isolating switch structures 13 and plays a role in adjusting.

The utility model discloses a theory of operation: the utility model discloses a during the use, with the structure assembly in the main part 1 back that finishes, utilize draw-in groove 4 and fixture block 5 to assemble main frame 2 and side frame 3, the design of main frame 2 and side frame 3 can effectively block the harm that comes from the external world, prevent that inner structure from causing the damage, draw-in groove 4 and fixture block 5 cooperation can be quick assemble main frame 2 and side frame 3 fixedly, convenient and fast, locate installation chassis 8 surface with 1 cover of main part again, it is fixed with installation chassis 8 to utilize the screw to pass through thread groove 12, first line hole 6 and second line hole 7 can make the circuit of connecting extend into inside, can not cause the circuit to block.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. A PEI (polyetherimide) closed type extra-high voltage isolating switch comprises a main body (1) and is characterized in that the main body (1) comprises a main outer frame (2) and side outer frames (3), two side outer frames (3) are movably arranged at two ends of the main outer frame (2) and are symmetrical to each other in position, a plurality of clamping grooves (4) are formed in the top surface of the main outer frame (2), each clamping groove (4) is of a T-shaped structure, the positions of the clamping grooves (4) are symmetrical to each other, a plurality of clamping blocks (5) are fixedly arranged at the top of one side, opposite to the two side outer frames (3), each clamping block (5) is of a T-shaped structure, the positions of the clamping blocks (5) are symmetrical to each other and are matched with the sizes of the clamping grooves (4), a plurality of first through hole (6) are formed in two sides of the main outer frame (2), and the positions of the first through hole (6) are symmetrical to each other, a plurality of second through holes (7) are formed in the side surface of the side outer frame (3), and the positions of the second through holes (7) are symmetrical to each other.

2. The PEI enclosed type extra-high voltage isolating switch as claimed in claim 1, characterized in that a mounting chassis (8) is disposed at the bottom of the main body (1), the mounting chassis (8) comprises a connecting rod (9), a fixing plate (10) and a connecting plate (11), the fixing plate (10) is fixedly connected to both ends of the connecting rod (9), the two fixing plates (10) are symmetrical to each other, the two connecting plates (11) are fixedly connected to opposite sides of the two fixing plates (10), and the connecting rod (9) is located between the two connecting plates (11).

3. The PEI enclosed type extra-high voltage isolating switch as claimed in claim 2, wherein the two fixing plates (10) are both L-shaped structures, two thread grooves (12) are formed on the surfaces of the two fixing plates (10), and the positions of the two thread grooves (12) are symmetrical to each other.

4. The PEI enclosed type extra-high voltage isolation switch as claimed in claim 2, characterized in that a plurality of high voltage isolation switch structures (13) are fixedly arranged on the surfaces of the connecting rod (9) and the connecting plate (11), and the positions of the high voltage isolation switch structures (13) are symmetrical to each other.

5. The PEI enclosed type extra-high voltage isolating switch as claimed in claim 4, characterized in that a movable contact seat (14) is fixedly arranged at the top end of the high voltage isolating switch structure (13).

6. The PEI enclosed type extra-high voltage isolating switch as claimed in claim 5, characterized in that two blades (15) are fixedly arranged on two sides of the movable contact seat (14), and the two blades (15) are symmetrical to each other.

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