CN204012393U - Drawer type solid all-insulated switch - Google Patents
Drawer type solid all-insulated switch Download PDFInfo
- Publication number
- CN204012393U CN204012393U CN201420327241.2U CN201420327241U CN204012393U CN 204012393 U CN204012393 U CN 204012393U CN 201420327241 U CN201420327241 U CN 201420327241U CN 204012393 U CN204012393 U CN 204012393U
- Authority
- CN
- China
- Prior art keywords
- moving contact
- drawout chassis
- drawer
- vacuum arc
- arc extinguish
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of drawer type solid all-insulated switch, comprise drawer, drawer chamber, drawout chassis and be arranged on the line jockey on drawout chassis, it is characterized in that: drawout chassis is the first drawout chassis and the second drawout chassis being fixed on drawer chamber, in drawer, be provided with three station vacuum arc extinguish chambers, the first moving contact and the second moving contact, the first moving contact and the second moving contact are along with the twitch of drawer forms and synchronizes plug and coordinate with the first drawout chassis and the second drawout chassis respectively, the first drawout chassis and the first moving contact and the second drawout chassis and the second moving contact are equipped with inserting mutually and current-carrying part are separately hidden in to inner insulating case.The utility model has the advantage of: because the current-carrying part of drawout chassis and moving contact is hidden in inside, thereby switch phase spacing is little, volume of switch is little, and can make switch there are combined floodgate, separating brake, ground connection and four kinds of states of isolation by the cooperation of operating mechanism, easy and simple to handle, can not have a power failure and safeguard replacing, and environmentally safe.
Description
Technical field
The utility model relates to a kind of power switch, especially relates to a kind of drawer type solid all-insulated switch.
Background technology
Power switch is the key equipment of electrical network; mainly cut-offfing and protective effect as power transmission and transformation line; it is one of critical component in relaying protection; be applied in the equipment that community, airport, harbour, mansion, mine, oil field and enterprise serve as industrial power distribution circuit, power switch plays the important function of distributing electric energy, protection controller switching equipment.
Often there is following deficiency in existing power switch, first be that in the power switch of current use, major part is sulphur hexafloride circuit breaker, SF6 gas wherein brings serious pollution to environment, is classified as obsolete product by the World Health Organization, and China's power department is also progressively being eliminated this product; Next is the common solid insulation cabinet several years ago rising, although meet national direction of industry, the problem having a power failure completely when current technology all exists product bug, coverage is wide, and power department and user are brought about great losses; Moreover be existing solid insulation drawer type switch because contact is exposed in air, not only cause volume of switch large, nor safety, in addition, the fault of vacuum interrupter is wherein random, can not effective monitoring, there is hidden danger in the safe operation of electrical network.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, the drawer type solid all-insulated switch that provide that a kind of volume is little, environmentally safe, maintenance does not have a power failure.
The utility model solves the problems of the technologies described above adopted technical scheme: this drawer type solid all-insulated switch, comprise drawer, drawer chamber, drawout chassis and be arranged on the line jockey on drawout chassis, it is characterized in that: described drawout chassis is the first drawout chassis and the second drawout chassis being fixed on drawer chamber, in described drawer, be provided with three station vacuum arc extinguish chambers, the first moving contact and the second moving contact, the first described moving contact and the second moving contact are along with the twitch of drawer forms and synchronizes plug and coordinate with described the first drawout chassis and the second drawout chassis respectively, described the first drawout chassis and the first moving contact and described the second drawout chassis and the second moving contact are equipped with inserting mutually and current-carrying part are separately hidden in to inner insulating case, three described station vacuum arc extinguish chambers include static conductive rod, moving conductive rod and earth terminal, the described earth terminal ground connection guide rod indoor with being located at drawer is electrically connected, described static conductive rod remains and is electrically connected with described the first moving contact, described moving conductive rod is electrically connected with the second described moving contact, in described drawer, be also provided with described three station vacuum arc extinguish chambers are closed a floodgate, the operating mechanism of separating brake and ground connection operation.
Preferably, on the first described drawout chassis and the second drawout chassis, be equipped with temperature measuring equipment.
For the raising insulating properties of switch, the outer surface of the insulating case after the outer surface of the insulating case after described the first drawout chassis is connected with the first moving contact and the second drawout chassis are connected with the second moving contact is all coated with screen.
Preferably, between described the first drawout chassis and the first moving contact and the second drawout chassis and the second moving contact, be spring electric connection structure.Between drawout chassis and corresponding moving contact, adopt after spring electrical connection, can expand the contact area between drawout chassis and moving contact.
The earth current testing apparatus of this three station vacuum arc extinguish chambers operation conditions of energy on-line monitoring further preferably, is installed in described three station vacuum arc extinguish chambers.Earth current testing apparatus can on-line monitoring vacuum interrupter operation conditions, for switch provides safeguard safely.
Further preferred, described earth current testing apparatus is the current transformer on the ground path being arranged on after described earth terminal is connected with described ground connection guide rod.Like this, can whether meet service requirement by the vacuum degree of the data monitoring of monitoring current instrument transformer three station vacuum arc extinguish chambers, otherwise report to the police.
As a kind of preferred version, in described drawer, be provided with a fuse, one end of described fuse is electrically connected with described the second moving contact, the other end of fuse is electrically connected with the moving conductive rod of described three station vacuum arc extinguish chambers by being flexible coupling, and the drive end of described operating mechanism acts on the moving conductive rod of described three station vacuum arc extinguish chambers by insulated tension pole.
In order to improve the insulating properties of switch, described fuse and described three station vacuum arc extinguish chambers, the first moving contact, the second moving contact insulation sealing are integrated part, and are coated with screen at the outer surface of described integral piece.
As another preferred version, in described drawer, be provided with a conductive link, one end of described conductive link is electrically connected with described the second moving contact, the other end of conductive link is electrically connected with the moving conductive rod of described three station vacuum arc extinguish chambers by being flexible coupling, and the drive end of described operating mechanism acts on the moving conductive rod of described three station vacuum arc extinguish chambers by insulated tension pole.
In order to improve the insulating properties of switch, described conductive link and described three station vacuum arc extinguish chambers, the first moving contact, the second moving contact insulation sealing are integrated part, and are coated with screen at the outer surface of described integral piece.
Compared with prior art, the utility model has the advantage of: coordinate because the moving contact of this drawer type solid all-insulated switch forms plug with corresponding drawout chassis, and the first drawout chassis and the first moving contact and the second drawout chassis and the second moving contact are equipped with inserting mutually and current-carrying part are separately hidden in to inner insulating case, thereby can make the phase spacing of switch little, volume of switch is little, and can make switch there is combined floodgate by the cooperation of operating mechanism, separating brake, ground connection and four kinds of states of isolation, easy and simple to handle, can not have a power failure and safeguard replacing, reduce the inconvenience and the economic loss that have a power failure, and environmentally safe.In addition, the operation conditions that the earth current testing apparatus of three station vacuum arc extinguish chambers can on-line monitoring vacuum interrupter, for switch provides safeguard safely.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment mono-;
Fig. 2 is the structural representation of the utility model embodiment bis-;
Fig. 3 is the structure cutaway view of the first drawout chassis in the utility model embodiment mono-and embodiment bis-;
Fig. 4 is the structure cutaway view of the first moving contact in the utility model embodiment mono-and embodiment bis-.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Embodiment mono-:
As shown in Figure 1, the drawer type solid all-insulated switch in the present embodiment comprise three station vacuum arc extinguish chambers 1, ground connection guide rod 2, current transformer 3, fuse 41, be flexible coupling 5, the assembly such as insulated tension pole 6, operating mechanism 7, drawer 8, drawer chamber 9, the first drawout chassis 10, the first moving contact 11, the second moving contact 12, the second drawout chassis 13, inlet wire cable block 14, cable end 15, screen 16 and temperature measuring equipment 17.
Wherein, three station vacuum arc extinguish chambers 1, the first moving contact 11, the second moving contact 12 and fuse 41 sealing that insulate is integrated part, and is coated with screen 16 at the outer surface of this integral piece, and one end of fuse 41 is electrically connected with the second moving contact 12.The first drawout chassis 10 and the second drawout chassis 13 are fixed on drawer chamber 9, on the first drawout chassis 10 and the second drawout chassis 13, are equipped with temperature measuring equipment 17.The first drawout chassis 10 is connected with the corresponding phase drawout chassis of other line switching by all insulation jockey, the second drawout chassis 13 is connected with cable end 15 by inlet wire cable block 14, thereby form the line jockey of switch, and line is all insulation connected mode, cover screen at the outer surface of line.
Three station vacuum arc extinguish chambers 1 comprise that part exposes to static conductive rod, moving conductive rod and the earth terminal of vacuum interrupter cover body.Wherein static conductive rod and the first moving contact 11 remain and electrically contact; Moving conductive rod both 5 was electrically connected with the other end of fuse 41 by being flexible coupling, be connected with operating mechanism 7 by insulated tension pole 6 again, the drive end of operating mechanism 7 by insulated tension pole 6 act on moving conductive rod so that three station vacuum arc extinguish chambers 1 are closed a floodgate, separating brake and ground connection operation; In drawer chamber 9, be provided with ground connection guide rod 2, current transformer 3 on ground path after earth terminal is connected with ground connection guide rod 2, this current transformer 3 is as the operation conditions of this three station vacuum arc extinguish chamber 1 of earth current testing apparatus energy on-line monitoring, for switch provides safeguard safely.
The first moving contact 11 and the second moving contact 12 form to synchronize to plug with the first drawout chassis 10 and the second drawout chassis 13 respectively and coordinate, the first drawout chassis 10 and the first moving contact 11 and the second drawout chassis 13 and the second moving contact 12 are equipped with inserting mutually and current-carrying part are separately hidden in to inner insulating case, and the outer surface of the insulating case after inserting connects is coated with screen.In addition, between the first drawout chassis 10 and the first moving contact 11 and the second drawout chassis 13 and the second moving contact 12, be spring electric connection structure, to expand the contact area between drawout chassis and moving contact.
As shown in Figure 3 and Figure 4, describe as an example of the connect-disconnect structure of the first drawout chassis 10 and the first moving contact 11 example.The middle part of the first drawout chassis 10 has the first conducting rod 101, the periphery of the first conducting rod 101 is provided with the first insulating case 102, between the first insulating case 102 and the first conducting rod 101, leave the first spliced eye 103 inserting for the first moving contact 11, as can be seen here, the first conducting rod 101 is hidden in the inside of the first insulating case 102.The middle part of the first moving contact 11 has the second conducting rod 111, be enclosed with the second insulating case 112 in the periphery of the second conducting rod 111, as can be seen here, the second conducting rod 111 is hidden in the inside of the second insulating case 112, have the second spliced eye 113 inserting for the first conducting rod 101 in the centre of the second conducting rod 111, spring 114 is installed in spliced eye 113.In the time of the first moving contact 11 and the first drawout chassis 10 inserting, the first conducting rod 101 inserts in the second spliced eye 113 and contacts with spring 114 and the second conducting rod 111, and meanwhile, the first moving contact 11 entirety are inserted in the first spliced eye 103.In addition, the outer surface of the insulating case after the first drawout chassis 10 is connected with the first moving contact 11 is coated with screen 16, to improve the insulating properties of switch, makes the first drawout chassis 10 and the first moving contact 11 form the connected system of all insulation.The connect-disconnect structure of the second drawout chassis 13 and the second moving contact 12 can, with reference to the connect-disconnect structure of the first drawout chassis 10 and the first moving contact 11, not repeat them here.
Operation principle:
This all-insulated switch has combined floodgate, separating brake, ground connection and four kinds of states of isolation, all charged positions sealing that all insulate, and surface shielding seals, and tangible, in switch, each mutually all components and parts are an independent integral insulation unit.Operating mechanism 7 to three station vacuum arc extinguish chambers 1 close a floodgate, the operation of separating brake and ground connection, mutual linking, drawer 8 can carry out isolated operation to switch, operating mechanism and line cable after three station vacuum arc extinguish chamber 1 ground connection, mutual linking, after switch ground connection, could isolate, after switch isolation, can change fuse 41 and service work.In the time that equipment fault needs interruption maintenance, by operating mechanism 7, three station vacuum arc extinguish chambers 1 are carried out to separating brake, situation, just like inlet wire no-voltage, is carried out ground connection operation, then extracts drawer 8 out, replaceable drawer, also replaceable fuse 41, also can overhaul inlet wire cable; Situation two, as inlet wire has voltage, needs forced quarantine switch, and can not carry out ground connection operation and directly extract drawer 8 out, isolating switch, now outlet cable chamber door is blocking, can not open.
Embodiment bis-:
As shown in Figure 2, in the present embodiment, use the fuse 41 in conductive link 42 alternate embodiments one, conductive link 42 one end form the current-carrying part of the second moving contact 12, the other end of conductive link 42 5 is electrically connected with the moving conductive rod of three station vacuum arc extinguish chambers 1 by being flexible coupling, for improving the insulating properties of switch, conductive link 42 and three station vacuum arc extinguish chambers 1, the first moving contact 11, the second moving contact 12 sealing that insulate is integrated part, and be coated with screen 16 at the outer surface of integral piece, all the other structures are identical with the structure in embodiment mono-, do not repeat them here.
The foregoing is only preferred implementation of the present utility model; it should be pointed out that for those of ordinary skills, do not departing under principle prerequisite of the present utility model; can carry out multiple remodeling or improvement to the utility model, within these are all regarded as protection range of the present utility model.
Claims (10)
1. a drawer type solid all-insulated switch, comprise drawer (8), drawer chamber (9), drawout chassis and be arranged on the line jockey on drawout chassis, it is characterized in that: described drawout chassis is for being fixed on the first drawout chassis (10) and the second drawout chassis (13) on drawer chamber (9), in described drawer (8), be provided with three station vacuum arc extinguish chambers (1), the first moving contact (11) and the second moving contact (12), described the first moving contact (11) and the second moving contact (12) are along with the twitch of drawer (8) forms and synchronize plug cooperation with described the first drawout chassis (10) and the second drawout chassis (13) respectively, described the first drawout chassis and the first moving contact and described the second drawout chassis and the second moving contact are equipped with inserting mutually and current-carrying part are separately hidden in to inner insulating case, described three station vacuum arc extinguish chambers (1) include static conductive rod, moving conductive rod and earth terminal, described earth terminal is electrically connected with the ground connection guide rod (2) of being located in drawer chamber (9), described static conductive rod remains and is electrically connected with described the first moving contact (11), described moving conductive rod is electrically connected with described the second moving contact (12), in described drawer (8), be also provided with described three station vacuum arc extinguish chambers (1) are closed a floodgate, the operating mechanism (7) of separating brake and ground connection operation.
2. drawer type solid all-insulated switch according to claim 1, is characterized in that: on described the first drawout chassis (10) and the second drawout chassis (13), be equipped with temperature measuring equipment (17).
3. drawer type solid all-insulated switch according to claim 1, is characterized in that: the outer surface of the insulating case after the outer surface of the insulating case after described the first drawout chassis (10) is connected with the first moving contact (11) and the second drawout chassis (13) are connected with the second moving contact (12) is all coated with screen.
4. drawer type solid all-insulated switch according to claim 1, is characterized in that: between described the first drawout chassis (10) and the first moving contact (11) and the second drawout chassis (13) and the second moving contact (12), be spring electric connection structure.
5. drawer type solid all-insulated switch according to claim 1, is characterized in that: the earth current testing apparatus that this three station vacuum arc extinguish chambers operation conditions of energy on-line monitoring is installed in described three station vacuum arc extinguish chambers (1).
6. drawer type solid all-insulated switch according to claim 5, is characterized in that: described earth current testing apparatus is for being arranged on the current transformer (3) on the ground path after described earth terminal is connected with described ground connection guide rod (2).
7. according to the drawer type solid all-insulated switch described in arbitrary claim in claim 1 to 6, it is characterized in that: in described drawer (8), be also provided with a fuse (41), one end of described fuse (41) is electrically connected with described the second moving contact (12), the other end of fuse (41) is electrically connected with the moving conductive rod of described three station vacuum arc extinguish chambers (1) by be flexible coupling (5), the drive end of described operating mechanism (7) acts on the moving conductive rod of described three station vacuum arc extinguish chambers (1) by insulated tension pole (6).
8. drawer type solid all-insulated switch according to claim 7, it is characterized in that: described fuse (41) is integrated part, and is coated with screen at the outer surface of described integral piece with described three station vacuum arc extinguish chambers (1), the first moving contact (11), the second moving contact (12) insulation sealing.
9. according to the drawer type solid all-insulated switch described in arbitrary claim in claim 1 to 6, it is characterized in that: in described drawer (8), be provided with a conductive link (42), one end of described conductive link (42) is electrically connected with described the second moving contact (12), the other end of conductive link (42) is electrically connected with the moving conductive rod of described three station vacuum arc extinguish chambers (1) by be flexible coupling (5), the drive end of described operating mechanism (7) acts on the moving conductive rod of described three station vacuum arc extinguish chambers (1) by insulated tension pole (6).
10. drawer type solid all-insulated switch according to claim 9, it is characterized in that: described conductive link (42) is integrated part, and is coated with screen at the outer surface of described integral piece with described three station vacuum arc extinguish chambers (1), the first moving contact (11), the second moving contact (12) insulation sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327241.2U CN204012393U (en) | 2014-06-19 | 2014-06-19 | Drawer type solid all-insulated switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327241.2U CN204012393U (en) | 2014-06-19 | 2014-06-19 | Drawer type solid all-insulated switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012393U true CN204012393U (en) | 2014-12-10 |
Family
ID=52052336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420327241.2U Expired - Fee Related CN204012393U (en) | 2014-06-19 | 2014-06-19 | Drawer type solid all-insulated switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012393U (en) |
-
2014
- 2014-06-19 CN CN201420327241.2U patent/CN204012393U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190619 |