CN115863080A - Solid switch device with visible state - Google Patents
Solid switch device with visible state Download PDFInfo
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- CN115863080A CN115863080A CN202310158499.8A CN202310158499A CN115863080A CN 115863080 A CN115863080 A CN 115863080A CN 202310158499 A CN202310158499 A CN 202310158499A CN 115863080 A CN115863080 A CN 115863080A
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- 239000007787 solid Substances 0.000 title claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 41
- 239000011521 glass Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
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Abstract
The invention discloses a solid switch device with a visible state, which comprises an operating mechanism and a solid insulating phase column, wherein the solid insulating phase column comprises an insulating cylinder body, a first cavity is arranged in the insulating cylinder body, a three-station isolating grounding switch is arranged in the first cavity, the three-station isolating grounding switch comprises a lead screw and a movable conducting seat, and the lead screw is controlled by the operating mechanism to rotate so as to drive the movable conducting seat to do linear reciprocating motion on the lead screw, so that the three-station isolating grounding switch can be switched among a working state, an isolating state or a grounding state; the two opposite sides of the periphery of the middle part of the screw rod are respectively provided with a first mark and a second mark, the periphery of the movable conductive seat is provided with a third mark, and an observation hole is formed in the insulating cylinder body above the first mark. According to the invention, the states of the first identifier, the second identifier and the third identifier are observed through the observation holes, so that the state information of the three-station isolation grounding switch can be rapidly and accurately obtained, and the reliability of the solid switch equipment during operation and maintenance is improved.
Description
Technical Field
The invention relates to the technical field of switch equipment, in particular to solid switch equipment with a visible state.
Background
The three-position isolation grounding switch of the solid switch equipment is an important switch element of a power distribution system, plays a role in control and protection in the power distribution network system, has a rotary structure and a direct-acting structure, and has three position states, namely a working state, an isolation state and a grounding state. The direct-acting three-position isolation grounding switch in the prior art has two working environments, the first one is that the direct-acting three-position isolation grounding switch is installed in switch equipment which is insulated in gas (including air) in a fully-exposed manner, and most of the direct-acting three-position isolation grounding switches are installed in a closed container; the second one is installed in a cavity formed by solid insulation; because the two three-position isolation grounding switches are sealed in the cavity of the switch device, the switch position state can not be directly observed, the switch position state can only be indirectly reflected by observing the indication board on the operating mechanism, and the three-position isolation grounding switch state can not be reliably reflected when the operating mechanism has errors or mechanism faults, so that the safety and reliability of the solid switch device during operation, maintenance and overhaul are easily influenced.
Disclosure of Invention
The present invention is directed to a solid state switching device with visual status to solve the above-mentioned problems.
In order to achieve the purpose, the technical scheme of the invention is as follows: a solid switch device with a visible state comprises an operating mechanism and a solid insulation phase column arranged on one side of the operating mechanism, wherein the solid insulation phase column comprises an insulation cylinder body, a first cavity is arranged in the insulation cylinder body, a three-station isolation grounding switch is arranged in the first cavity, the three-station isolation grounding switch comprises a lead screw and a movable conductive seat which is connected outside the lead screw in a threaded manner, the lead screw is controlled by the operating mechanism to rotate so as to drive the movable conductive seat to do linear reciprocating movement on the lead screw, and therefore the three-station isolation grounding switch is switched among a working state, an isolation state or a grounding state in the first cavity;
a first mark and a second mark are respectively arranged on two opposite sides of the periphery of the middle part of the screw rod, a third mark is arranged on the periphery of the movable conductive seat, and an observation hole is formed in the insulating cylinder body above the first mark;
in an isolation state, the movable conductive seat moves to the middle of the screw rod, the third mark is positioned below the observation hole, and the third mark faces upwards to one side of the observation hole;
in a grounding state, the movable conductive seat moves to one end of the screw rod, the first mark and the second mark are positioned below the observation hole, the first mark faces upwards to one side of the observation hole, and the second mark faces downwards to the side away from the observation hole;
under operating condition, move the other end that the conductive seat removed to the lead screw, first sign, second sign are located the observation hole below, and the second sign upwards faces observation hole one side, and first sign deviates from observation hole one side downwards.
In one embodiment, the first cavity is provided with a grounding static contact seat, a middle conductive seat and an isolation static contact seat in sequence towards the direction away from the operating mechanism, a through hole is formed below the middle conductive seat corresponding to the observation hole, the movable conductive seat is connected between the grounding static contact seat and the middle conductive seat in a grounding state, the movable conductive seat is connected in the middle conductive seat in an isolation state, and the movable conductive seat is connected between the middle conductive seat and the isolation static contact seat in an operating state.
In one embodiment, the top of the insulating cylinder is provided with an observation seat, the observation hole is vertically formed in the observation seat, a state visual component is arranged above the observation seat and comprises a mounting frame, an illuminating lamp and transparent glass, the transparent glass is hermetically mounted at the observation hole, the mounting frame is mounted on the observation seat, the illuminating lamp is mounted on the mounting frame, and an illuminating lamp light source faces downwards into the observation hole.
In one embodiment, the status viewing assembly further comprises a viewing cylinder and a mirror mounted on the mounting bracket for reflecting light within the viewing aperture into the viewing cylinder.
In one embodiment, the mounting frame comprises a mounting plate, a vertical plate and a tilting plate, the mounting plate is horizontally mounted on the observation seat, the vertical plate is vertically arranged on one side of the mounting plate, the tilting plate is obliquely arranged on the top of the vertical plate, and the reflector is mounted on one side of the tilting plate, which faces the observation hole.
In one embodiment, a box body is arranged outside the operating mechanism, the observation tube is horizontally arranged above the box body, and a tube opening at one end of the observation tube horizontally faces the reflector.
In one embodiment, a plurality of supporting plates are vertically arranged on the top of the box body, and the observation cylinder penetrates through and is fixed on the plurality of supporting plates.
In one embodiment, the inner bore wall of the sight hole is corrugated.
In one embodiment, a second cavity is further arranged below the first cavity, a vacuum arc extinguish chamber is arranged in the second cavity, a flexible connection is connected between the middle conductive seat and the movable end of the vacuum arc extinguish chamber, an incoming line conductive rod connected with the isolation stationary contact seat is arranged on one side of the upper end of the insulating cylinder, an outgoing line conductive rod connected with the stationary end of the vacuum arc extinguish chamber is arranged on one side of the lower end of the insulating cylinder, and an insulating pull rod is assembled between the movable end of the vacuum arc extinguish chamber and the operating mechanism.
In one embodiment, the number of the solid insulating phase columns and the number of the state-visible components are three, and the solid insulating phase columns and the state-visible components are respectively in one-to-one correspondence.
The invention has the following beneficial effects:
(1) The opposite two sides of the middle part of the screw rod are respectively provided with a first mark and a second mark, the periphery of the movable conductive seat is provided with a third mark, and an observation hole is arranged above the insulating cylinder body corresponding to the first mark; in an isolation state, the movable conductive seat moves to the middle of the screw rod, the third mark is positioned below the observation hole, and the third mark faces upwards to one side of the observation hole; in a grounding state, the movable conductive seat moves to one end of the screw rod, the first mark and the second mark are positioned below the observation hole, the first mark faces upwards to one side of the observation hole, and the second mark faces downwards to the other side of the observation hole; in a working state, the movable conducting seat moves to the other end of the screw rod, the first mark and the second mark are positioned below the observation hole, the second mark faces upwards to one side of the observation hole, the first mark faces downwards to the side away from the observation hole, and the state of the first mark, the second mark or the third mark of the movable conducting seat of the screw rod is observed through the observation hole, so that any state information of the three-station isolation grounding switch in a working state, an isolation state or a grounding state can be rapidly and accurately obtained, and the safety and reliability of the solid switch device during operation, maintenance and overhaul are improved;
(2) The state visual assembly is arranged above the observation seat and comprises an installation frame, an illuminating lamp and transparent glass, the transparent glass is hermetically arranged at the observation hole, the transparent glass can increase the light transmission effect and prevent the reliable operation of the switch equipment from being influenced by the fact that sundries in the surrounding environment enter the insulating cylinder, the protection effect is guaranteed, the installation frame is arranged on the observation seat, the illuminating lamp is arranged on the installation frame, the light source of the illuminating lamp faces downwards into the observation hole, the brightness of the first mark, the brightness of the second mark and the brightness of the third mark can be improved under the irradiation of the illuminating lamp, the more striking observation effect is achieved, and the observation is facilitated;
(3) The state visual assembly further comprises an observation tube and a reflector, the reflector is installed on the installation frame and used for reflecting light rays in the observation hole to the observation tube, and the state of the three-station isolation grounding switch can be conveniently observed remotely by workers.
Drawings
FIG. 1 is a schematic external view of an embodiment of the present invention;
FIG. 2 is a right side perspective view of one embodiment of the present invention;
FIG. 3 is a top view of one embodiment of the present invention;
FIG. 4 is a cross-sectional view of one embodiment of the present invention in a grounded state;
FIG. 5 is a cross-sectional view of one embodiment of the present invention in isolation;
FIG. 6 is a cross-sectional view of one embodiment of the present invention in an operational state;
FIG. 7 is a schematic external view of a movable conductive seat according to an embodiment of the present invention;
FIG. 8 is a schematic view of a lead screw of one embodiment of the present invention at an angle;
FIG. 9 is a schematic view of a lead screw of one embodiment of the present invention at another angle.
The attached drawings are marked as follows:
1 operating device, 2 solid insulation looks post, 3 insulating barrel, 31 first cavity, 32 second cavity, 33 observation holes, 34 observation seat, 4 lead screws, 41 first sign, 42 second sign, 5 move the conductive seat, 51 third sign, 6 ground connection stationary contact, 7 middle conductive seat, 71 through-hole, 8 keep apart stationary contact, 9 visual subassembly of state, 91 mounting bracket, 911 mounting panel, 912 riser board, 913 hang plate, 92 light, 93 clear glass, 94 sealing washer, 95 observation tube, 96 reflector, 97 lighting fixture, 10 vacuum interrupter, 11 flexonics, 12 inlet wire conductive rod, 13 outlet wire conductive rod, 14 insulating pull rod, 15 boxes, 16 backup pads.
Detailed Description
To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
Referring to fig. 1 to 9, as an embodiment of the present invention, a solid switching device with a visible state, specifically, a circuit breaker switching device is provided, which includes an operating mechanism 1 and a solid insulating phase column 2 installed on one side of the operating mechanism 1, where the solid insulating phase column 2 includes an insulating cylinder 3, a first cavity 31 is disposed inside the insulating cylinder 3, a three-position isolating ground switch is disposed inside the first cavity 31, the three-position isolating ground switch includes a lead screw 4 and a movable conductive seat 5 connected to the outside of the lead screw 4 by a thread, the movable conductive seat 5 is connected to the outside of the lead screw 4 by a nut, and the lead screw 4 is controlled by the operating mechanism 1 to rotate so as to drive the movable conductive seat 5 to perform linear reciprocating movement on the lead screw 4, thereby implementing switching of the three-position isolating ground switch among a working state, an isolating state, or a grounding state inside the first cavity 31;
a first mark 41 and a second mark 42 are respectively arranged on two opposite sides of the periphery of the middle part of the screw rod 4, a third mark 51 is arranged on the periphery of the movable conductive seat 5, and an observation hole 33 is arranged above the insulating cylinder 3 corresponding to the first mark 41;
in an isolation state, the movable conducting seat 5 moves to the middle of the screw rod 4, the third mark 51 is located below the observation hole 33, and the third mark 51 faces upward to one side of the observation hole 33, so that a worker can observe the third mark 51 through the observation hole 33 to confirm that the three-station isolation grounding switch is in an isolation state position;
under the ground connection state, move conducting seat 5 and remove to the one end of lead screw 4, first sign 41, second sign 42 are located observation hole 33 below, and first sign 41 upwards towards observation hole 33 one side, and second sign 42 deviates from observation hole 33 one side downwards for the staff can observe the first sign 41 of lead screw 4 through observation hole 33, thereby confirms that three station isolation earthing switch is in the ground connection state position.
Under operating condition, move conductive seat 5 and remove to the other end of lead screw 4, first sign 41, second sign 42 are located observation hole 33 below, and second sign 42 upwards towards observation hole 33 one side, and first sign 41 deviates from observation hole 33 one side downwards for the staff can observe second sign 42 through observation hole 33, thereby confirms that three station isolation earthing switch is in operating condition position.
According to the technical scheme, the states of the first mark 41 and the second mark 42 of the screw rod 4 or the third mark 51 of the movable conducting seat 5 are observed through the observation hole 33, so that any state information of the three-station isolation grounding switch in a working state, an isolation state or a grounding state can be rapidly and accurately obtained, and the safety and reliability of the solid switch device during operation, maintenance and overhaul are improved.
In this embodiment, the solid-state switchgear of the present invention is a three-phase structure, that is, three solid-insulated phase columns 2 and three state-visible assemblies 9 are respectively in one-to-one correspondence, the three solid-insulated phase columns 2 are parallel to each other and are arranged on one side of the operating mechanism 1, and the state-visible assemblies 9 are correspondingly arranged above the solid-insulated phase columns 2.
In this embodiment, a second cavity 32 is further arranged below the first cavity 31, a vacuum arc-extinguishing chamber 10 is arranged in the second cavity 32, a flexible connection 11 is connected between the middle conductive seat 7 and the movable end of the vacuum arc-extinguishing chamber 10, an incoming line conductive rod 12 connected with the isolation stationary contact seat 8 is arranged on one side of the upper end of the insulating cylinder 3, an outgoing line conductive rod 13 connected with the stationary end of the vacuum arc-extinguishing chamber 10 is arranged on one side of the lower end of the insulating cylinder 3, and an insulating pull rod 14 is assembled between the movable end of the vacuum arc-extinguishing chamber 10 and the operating mechanism 1; the grounding static contact seat 6, the middle conductive seat 7 and the isolation static contact seat 8 are sequentially arranged in the first cavity 31 towards the direction away from the operating mechanism 1, a through hole 71 is formed below the middle conductive seat 7 corresponding to the observation hole 33, so that light rays of the observation hole 33 can enter the middle conductive seat 7 through the through hole 71, and then the state of the first mark 41 and the second mark 42 of the screw rod 4 or the state of the third mark 51 on the movable conductive seat 5 can be observed.
Specifically, referring to fig. 4, in a grounding state, the movable conducting seat 5 is connected between the grounded stationary contact seat 6 and the middle conducting seat 7, the observation hole 33 of the insulating cylinder 3, the through hole 71 of the middle conducting seat 7 and the first mark 41 of the lead screw 4 are located on the same vertical axis, and the first mark 41 faces upward to one side of the observation hole 33, so that a worker can clearly observe the first mark 41 through the observation hole 33 to confirm that the three-station isolated grounding switch is located at the grounding state position, at this time, the grounded stationary contact seat 6, the movable conducting seat 5, the middle conducting seat 7, the flexible connection 11, the vacuum arc extinguish chamber 10 and the outgoing conducting rod 13 are connected in series to form a grounding loop.
Referring to fig. 5, in the isolated state, the movable conducting seat 5 is connected in the middle conducting seat 7, the observation hole 33 of the insulating cylinder 3, the through hole 71 of the middle conducting seat 7 and the third identifier 51 of the movable conducting seat 5 are located on the same vertical axis, and the first identifier 41 and the second identifier 42 of the lead screw 4 are hidden by the movable conducting seat 5, so that the third identifier 51 can be clearly observed through the observation hole 33 by a worker, and it is confirmed that the three-station isolated grounding switch is located in the isolated state position, at this time, a certain electrical distance is formed between the combined body of the movable conducting seat 5 and the middle conducting seat 7 and the incoming conducting rod 12, and the insulation requirement of the switchgear is met.
Referring to fig. 6, in a working state, the movable conducting seat 5 is connected between the middle conducting seat 7 and the isolation stationary contact seat 8, the observation hole 33 of the insulation cylinder 3, the through hole 71 of the middle conducting seat 7 and the second mark 42 of the lead screw 4 are located on the same vertical axis, and the second mark 42 faces upward to one side of the observation hole 33, so that a worker can observe the second mark 42 through the observation hole 33 to confirm that the three-station isolation grounding switch is in a working state position, at this time, the incoming conducting rod 12, the movable conducting seat 5, the middle conducting seat 7, the flexible connection 11, the vacuum arc extinguish chamber 10 and the outgoing conducting rod 13 are connected in series to form a conducting loop.
In this embodiment, the grounding stationary contact seat 6, the middle conductive seat 7, the isolation stationary contact seat 8, the middle conductive seat 7 are all in a sleeve shape, the first identifier 41 and the second identifier 42 are in a half-ring belt shape, the third identifier 51 is in a ring belt shape, and for convenience of distinguishing, the first identifier 41, the second identifier 42, and the third identifier 51 can use different shapes and colors.
In this embodiment, insulating cylinder 3 top is provided with observes seat 34, observes the vertical formation in observing seat 34 in hole 33, observes seat 34 top and installs the visual subassembly 9 of state, and it includes mounting bracket 91, light 92, clear glass 93, and clear glass 93 passes through sealing washer 94 seal installation in observing hole 33 department, and clear glass 93 can increase the printing opacity effect and prevent simultaneously to receive in the surrounding environment debris gets into insulating cylinder 3 influence switchgear reliable operation, guarantees the protecting effect. Specifically, mounting bracket 91 is installed on observing seat 34, and light 92 is installed on mounting bracket 91 through a lighting fixture, and in light 92 light source was downward towards observation hole 33, in order to reach the observation effect of striking more and easily distinguishing, red sign was chooseed for use to first sign 41, third sign 51, and blue sign is chooseed for use to second sign 42, and under light 92 shining, first sign 41, third sign 51's luminance can be improved, the observation of being convenient for.
In this embodiment, the state visual component 9 further comprises an observation tube 95 and a reflector 96, the reflector 96 is installed on the installation frame 91, and is used for reflecting light rays in the observation hole 33 to the observation tube 95, so that the worker can conveniently observe the state of the three-position isolating grounding switch in a long distance.
In this embodiment, the mounting bracket 91 includes a mounting plate 911, a vertical plate 912 and an inclined plate 913, the mounting plate 911 is horizontally installed on the observation base 34, the vertical plate 912 is vertically installed above one side of the mounting plate 911, the mounting plate 911 and the vertical plate 912 are perpendicular to each other, the inclined plate 913 is obliquely installed on the top of the vertical plate 912, the inclined plate 913 is obliquely installed towards one side of the mounting plate 911, the reflective mirror 96 is installed at one side of the inclined plate 913 facing the observation hole 33, wherein the outside of the operating mechanism 1 is provided with a box body 15, the observation tube 95 is horizontally installed above the box body 15, so that a worker can observe from one side of the operating mechanism 1 conveniently, the tube opening at one end of the observation tube 95 horizontally faces the reflective mirror 96, under the effect of the illuminating lamp 92, according to the optical reflection principle, light in the observation hole 33 vertically upwards and then horizontally reflects to the observation tube 95 through the reflective mirror 96, thereby enabling the worker to clearly see the states of the first identifier 41 of the screw 4, the second identifier 42 or the third identifier 51 of the movable conductive base 5 below the observation tube 33 through the observation tube 95, and further confirm that the three-station earthing switch is in an operating state, an isolated state or an information in an earthed state.
In this embodiment, box 15 top is erect and is provided with polylith backup pad 16, observes a section of thick bamboo 95 and runs through to be fixed on two backup pads 16 to guarantee to observe a section of thick bamboo 95's installation stability, avoid influencing observation effect.
In this embodiment, the inner hole wall of the observation hole 33 is corrugated, so that the creepage distance is prolonged, and the insulation requirement is met, thereby ensuring the safety of workers.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A condition-visible solid state switching device, characterized by: the three-station isolation grounding switch comprises a lead screw and a movable conductive seat which is connected outside the lead screw in a threaded manner, and the lead screw is controlled by the operating mechanism to rotate so as to drive the movable conductive seat to do linear reciprocating motion on the lead screw, so that the three-station isolation grounding switch can be switched among a working state, an isolation state or a grounding state in the first cavity;
a first mark and a second mark are respectively arranged on two opposite sides of the periphery of the middle part of the screw rod, a third mark is arranged on the periphery of the movable conductive seat, and an observation hole is formed in the insulating cylinder body above the first mark;
in an isolation state, the movable conductive seat moves to the middle of the screw rod, the third mark is positioned below the observation hole, and the third mark faces upwards to one side of the observation hole;
in a grounding state, the movable conductive seat moves to one end of the screw rod, the first mark and the second mark are positioned below the observation hole, the first mark faces upwards to one side of the observation hole, and the second mark faces downwards to the side away from the observation hole;
under operating condition, move the other end that the conductive seat removed to the lead screw, first sign, second sign are located the observation hole below, and the second sign upwards faces observation hole one side, and first sign deviates from observation hole one side downwards.
2. The condition-visible solid-state switching device of claim 1, wherein: the operating device direction of keeping away from in the first cavity is provided with ground connection stationary contact seat, middle conductive seat, isolation stationary contact seat according to the preface, and the middle conductive seat corresponds the observation hole below and is formed with a through-hole, and under the ground connection state, moves conductive seat and connect between ground connection stationary contact seat and middle conductive seat, and under the isolated state, moves conductive seat and connects in middle conductive seat, under operating condition, moves conductive seat and connects between middle conductive seat and isolation stationary contact seat.
3. The condition-visible solid-state switching device of claim 1, wherein: the insulating cylinder top is provided with observes the seat, observes the vertical formation in observing the seat in hole, observes the seat top and installs the visual subassembly of state, and it includes mounting bracket, light, clear glass, and clear glass seal installation is in observation hole department, and the mounting bracket is installed on observing the seat, and the light is installed on the mounting bracket, and in the downward orientation observation hole of light source.
4. The visually observable solid state switching device of claim 3, wherein: the state visual assembly further comprises an observation tube and a reflector, and the reflector is mounted on the mounting frame and used for reflecting light rays in the observation hole into the observation tube.
5. The condition-visible solid-state switching device of claim 4, wherein: the mounting bracket includes mounting panel, riser and hang plate, and mounting panel horizontal installation is on observing the seat, and the riser is erect and is set up in mounting panel one side, and the hang plate slope sets up at the riser top, and the reflector is installed in the hang plate towards observation hole one side.
6. The condition-visible solid-state switching device of claim 4, wherein: the operating mechanism is externally provided with a box body, the observation cylinder is horizontally arranged above the box body, and a cylinder opening at one end of the observation cylinder horizontally faces the reflector.
7. The condition-visible solid-state switching device of claim 6, wherein: a plurality of supporting plates are vertically arranged at the top of the box body, and the observation cylinder is fixed on the plurality of supporting plates in a penetrating mode.
8. The condition-visible solid-state switching device of claim 1, wherein: the inner hole wall of the observation hole is corrugated.
9. The condition-visible solid-state switching device of claim 2, wherein: the second cavity is further arranged below the first cavity, the vacuum arc extinguish chamber is arranged in the second cavity, the middle conducting seat is connected with the moving end of the vacuum arc extinguish chamber in a flexible connection mode, an incoming line conducting rod connected with the isolation static contact seat is arranged on one side of the upper end of the insulating cylinder, an outgoing line conducting rod connected with the static end of the vacuum arc extinguish chamber is arranged on one side of the lower end of the insulating cylinder, and an insulating pull rod is assembled between the moving end of the vacuum arc extinguish chamber and the operating mechanism.
10. The condition-visible solid-state switching device of claim 3, wherein: the number of the solid insulation phase columns and the number of the state visual components are three, and the three solid insulation phase columns and the state visual components correspond to one another respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310158499.8A CN115863080B (en) | 2023-02-24 | 2023-02-24 | Solid switchgear with visual state |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310158499.8A CN115863080B (en) | 2023-02-24 | 2023-02-24 | Solid switchgear with visual state |
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| CN115863080A true CN115863080A (en) | 2023-03-28 |
| CN115863080B CN115863080B (en) | 2023-05-09 |
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| CN115863080B (en) | 2023-05-09 |
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Denomination of invention: A State Visible Solid State Switching Equipment Granted publication date: 20230509 Pledgee: Agricultural Bank of China Limited Xiamen Pilot Free Trade Zone Branch Pledgor: Xiamen Gudeyi Electric Co.,Ltd. Registration number: Y2024980007472 |
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