CN204575325U - A kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism - Google Patents
A kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism Download PDFInfo
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- CN204575325U CN204575325U CN201520344159.5U CN201520344159U CN204575325U CN 204575325 U CN204575325 U CN 204575325U CN 201520344159 U CN201520344159 U CN 201520344159U CN 204575325 U CN204575325 U CN 204575325U
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- electrical contact
- electromagnet
- controlling switch
- drop bar
- magnet coil
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Abstract
The utility model discloses a kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism, comprise driving power, electrical contact one, electrical contact two, shell, ballasting module, electromagnet for controlling switch, connecting link and drop bar, the middle position of electrical contact two is provided with an axially extending bore, electrical contact one and electrical contact two are circumscribed with driving power, electromagnet for controlling switch comprises outside framework, magnet coil, lug plate, push rod and spring, magnet coil is fixed in outside framework, magnet coil is provided with two panels lug plate, push rod is fixed in the axial bore of magnet coil, one end of push rod is provided with spring, the other end is connected with drop bar, electrical contact two is connected with the outside framework of electromagnet for controlling switch by bolt, and make drop bar be arranged in axially extending bore, be connected by connecting link between ballasting module with electromagnet for controlling switch.Have rational in infrastructure, cost is low, easily manufactured, easy to maintenance, long service life, easy to operate, safety and the good feature of Detection results.
Description
Technical field
The utility model relates to a kind of pick-up unit, specifically a kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism.
Background technology
SF6 on-load switch is exactly use SF6 gas as the on-load switch of insulation and arc-extinguishing medium, it can as closing and cut-offfing normal load electric current, there is simple, the low-cost feature of structure, but can not interrupting short circuit, therefore normal and high-voltage and current-limitation fuse combinationally uses.Often be combined into the use of a kind of SF6 switch-fuse combination by the fuse of one group of SF6 on-load switch and three band rams at present, the shutoff of running current is wherein born by SF6 on-load switch, fused short circuit current is carried out by high-voltage and current-limitation fuse, as long as any one ram action, mechanical transmission mechanism in SF6 on-load switch will drive the action of on-load switch electrical apparatus release, makes Switch Three-Phase automatic brake separating at one time.
SF6 on-load switch and high-voltage and current-limitation fuse organically combine; not only can meet the requirement that operation under the various normal and fault of distribution system is protected; and compared with microcomputer or relay protection; there is the advantages such as structure is simple, convenient operating maintenance, cost are low, reliable; therefore be widely used in power engineering, be particularly widely used in ring network power supply aspect.
In order to improve power distribution network reliability of operation, ensure the life of people and the production of enterprise, work about electric power personnel can regularly overhaul the combined electrical apparatus of SF6 on-load switch-high-voltage and current-limitation fuse.Wherein to SF6 on-load switch to carry out 1min power frequency withstand test, loop resistance is tested, mechanical characteristic test, mechanically actuated is tested, the test such as local discharge test is overhauled, can be pulled down for high-voltage and current-limitation fuse and be carried out resistance measurement, but because SF6 switch cabinet structure is compact, inner complicated, cannot touch or pull down mechanical transmission mechanism, generally can only carry out visual examination by range estimation to it, and 5.101 rams in standard GB/T 16926-2009 high-voltage alternating switch-fuse combination and on-load switch thread off between gearing specify: maximum with given ram pattern (medium-sized or heavy), the manner of execution (spring or blast) of least energy and ram has nothing to do, gearing between fuse ram and on-load switch electrical apparatus release should make on-load switch reliably operate under three-phase and single-phase condition, so transmission test must must be carried out to mechanical transmission mechanism, and lack science at present, effective detection method and corresponding checkout equipment.
Utility model content
For the problems referred to above, the problem that the utility model quasi-solution is determined be to provide a kind of rational in infrastructure, cost is low, easily manufactured, easy to maintenance, long service life, easy to operate, safety and the pick-up unit of the good SF6 on-load switch mechanical transmission mechanism of Detection results.
For achieving the above object, the utility model is by the following technical solutions: a kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism, comprise driving power, electrical contact one, electrical contact two, shell, ballasting module, electromagnet for controlling switch, connecting link and drop bar, electrical contact one and electrical contact two are equipped with external thread, and the middle position of described electrical contact two is provided with an axially extending bore, shell two ends are equipped with internal thread, and shell shape is hollow cylinder, described electrical contact one is connected by threaded engagement with the two ends of described shell respectively with electrical contact two, described electrical contact one and electrical contact two are circumscribed with driving power, ballasting module, electromagnet for controlling switch, connecting link and drop bar are all arranged in described shell, electromagnet for controlling switch comprises outside framework, magnet coil, lug plate, push rod and spring, magnet coil is fixed in outside framework, described magnet coil is provided with two panels lug plate, push rod is fixed in the axial bore of described magnet coil, one end of described push rod is provided with spring, the other end is connected with drop bar, described electrical contact two is connected by the outside framework of bolt with described electromagnet for controlling switch, and described drop bar is just arranged in axially extending bore, be connected by connecting link between ballasting module with electromagnet for controlling switch, described ballasting module is provided with four legs, each leg all leads to a wire, wherein the other end of a wire is connected on electrical contact one, the other end of a wire is connected on the outside framework of electromagnet for controlling switch, other two wires are connected on two lug plates of electromagnet for controlling switch.
As preferably, the material of described electrical contact one and described electrical contact two is 306 stainless steels, and the material of described drop bar is steel, and the material of described shell is glass fibre.
As preferably, described electromagnet for controlling switch is DC electromagnet.
The beneficial effects of the utility model: the utility model overall construction design becomes a DYN dynamic drive unit, during use, the utility model is replaced high-voltage and current-limitation fuse, then external driving power is adopted additional power source remote control Starting mode, control conduction time, electromagnet for controlling switch is allowed to make push rod promote drop bar by the suction-combining force under the function of current knocking-on, the action of on-load switch electrical apparatus release can be driven by observing, make Switch Three-Phase automatic brake separating at one time, transmission detection is carried out to mechanical transmission mechanism, not only easy to make, easy to maintenance, and it is easy to operate, safety.Wherein electromagnet for controlling switch is selected DC electromagnet, and combine with rectification module and use, convert 220V alternating current to 220V DC current by rectification module enter electromagnet for controlling switch thus produce the suction-combining force, there is current constant, suction is stablized, life-span is long, noise is little, volume is little, the feature that Detection results is good, and when using, electromagnet for controlling switch is selected MDL-2F/TH220V-DC57.7 Ω, ensure to allow mechanical transmission mechanism rotate under minimum dynamics and make on-load switch dropout tripping operation, make it detect to leave nothing to chance, further raising Detection results, the material of electrical contact one and electrical contact two is all set to 306 stainless steels, and the material of drop bar is set to steel, and the material of shell is set to glass fibre, has that intensity is high, wear-resisting, mechanical property is high and the feature that insulating property are strong.
In sum, the utility model have rational in infrastructure, cost is low, easily manufactured, easy to maintenance, long service life, easy to operate, safety and the good feature of Detection results.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-driving power, 2-electrical contact one, 3-electrical contact two, 4-shell, 5-ballasting module, 6-electromagnet for controlling switch, 7-connecting link, 8-drop bar, 9-axially extending bore, 10-outside framework, 11-magnet coil, 12-lug plate, 13-push rod, 14-spring, 15-leg.
Embodiment
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the present embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment.
As shown in Figure 1, the utility model discloses a kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism, comprise driving power 1, electrical contact 1, electrical contact 23, shell 4, ballasting module 5, electromagnet for controlling switch 6, connecting link 7 and drop bar 8, electrical contact 1 and electrical contact 23 are equipped with external thread, and the middle position of electrical contact 23 is provided with an axially extending bore 9, shell 4 two ends are equipped with internal thread, and shell 4 shape is hollow cylinder, electrical contact 1 is connected by threaded engagement with the two ends of shell 4 respectively with electrical contact 23, electrical contact 1 and electrical contact 23 are circumscribed with driving power 1, ballasting module 5, electromagnet for controlling switch 6, connecting link 7 and drop bar 8 are all arranged in shell 4, electromagnet for controlling switch 6 comprises outside framework 10, magnet coil 11, lug plate 12, push rod 13 and spring 14, magnet coil 11 is fixed in outside framework 10, magnet coil 11 is provided with two panels lug plate 12, push rod 13 is fixed in the axial bore of magnet coil 11, one end of push rod 13 is provided with spring 14, the other end is connected with drop bar 8, electrical contact 23 is connected with the outside framework 10 of electromagnet for controlling switch 6 by bolt, and make drop bar 8 just be arranged in axially extending bore 9, be connected by connecting link 7 between ballasting module 5 with electromagnet for controlling switch 6, ballasting module 5 is provided with four legs 15, each leg 15 all leads to a wire, wherein the other end of a wire is connected on electrical contact 1, the other end of a wire is connected on the outside framework 10 of electromagnet for controlling switch 6, other two wires are connected on two lug plates 12 of electromagnet for controlling switch 6, the material of electrical contact 1 and electrical contact 23 is 306 stainless steels, the material of drop bar 8 is steel, the material of shell 4 is glass fibre, electromagnet for controlling switch 6 is DC electromagnet.
The utility model overall construction design becomes a DYN dynamic drive unit, during use, the utility model is replaced high-voltage and current-limitation fuse, then external driving power 1 is adopted additional power source remote control Starting mode, control conduction time, electromagnet for controlling switch 6 is allowed to make push rod 13 promote drop bar 8 by the suction-combining force under the function of current knocking-on, the action of on-load switch electrical apparatus release can be driven by observing, make Switch Three-Phase automatic brake separating at one time, transmission detection is carried out to mechanical transmission mechanism, not only easy to make, easy to maintenance, and easy to operate, safety.Wherein electromagnet for controlling switch 6 is selected DC electromagnet, and combine with rectification module 5 and use, convert 220V alternating current to 220V DC current by rectification module 5 enter electromagnet for controlling switch 6 thus produce the suction-combining force, there is current constant, suction is stablized, life-span is long, noise is little, volume is little, the feature that Detection results is good, and when using, electromagnet for controlling switch 6 is selected MDL-2F/TH220V-DC 57.7 Ω, ensure to allow mechanical transmission mechanism rotate under minimum dynamics and make on-load switch dropout tripping operation, make it detect to leave nothing to chance, further raising Detection results, the material of electrical contact 1 and electrical contact 23 is all set to 306 stainless steels, and the material of drop bar 8 is set to steel, and the material of shell 4 is set to glass fibre, has that intensity is high, wear-resisting, mechanical property is high and the feature that insulating property are strong.
Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
Claims (3)
1. the pick-up unit of a SF6 on-load switch mechanical transmission mechanism, it is characterized in that: comprise driving power (1), electrical contact one (2), electrical contact two (3), shell (4), ballasting module (5), electromagnet for controlling switch (6), connecting link (7) and drop bar (8), electrical contact one (2) and electrical contact two (3) are equipped with external thread, and the middle position of described electrical contact two (3) is provided with an axially extending bore (9), shell (4) two ends are equipped with internal thread, and shell (4) shape is hollow cylinder, described electrical contact one (2) is connected by threaded engagement with the two ends of described shell (4) respectively with electrical contact two (3), described electrical contact one (2) and electrical contact two (3) are circumscribed with driving power (1), ballasting module (5), electromagnet for controlling switch (6), connecting link (7) and drop bar (8) are all arranged in described shell (4), electromagnet for controlling switch (6) comprises outside framework (10), magnet coil (11), lug plate (12), push rod (13) and spring (14), magnet coil (11) is fixed in outside framework (10), described magnet coil (11) is provided with two panels lug plate (12), push rod (13) is fixed in the axial bore of described magnet coil (11), one end of described push rod (13) is provided with spring (14), the other end is connected with drop bar (8), described electrical contact two (3) is connected with the outside framework (10) of described electromagnet for controlling switch (6) by bolt, and make described drop bar (8) just be arranged in axially extending bore (9), be connected by connecting link (7) between ballasting module (5) with electromagnet for controlling switch (6), described ballasting module (5) is provided with four legs (15), each leg (15) all leads to a wire, wherein the other end of a wire is connected on electrical contact one (2), the other end of a wire is connected on the outside framework (10) of electromagnet for controlling switch (6), other two wires are connected on two lug plates (12) of electromagnet for controlling switch (6).
2. the pick-up unit of SF6 on-load switch mechanical transmission mechanism according to claim 1, it is characterized in that: the material of described electrical contact one (2) and described electrical contact two (3) is 306 stainless steels, the material of described drop bar (8) is steel, and the material of described shell (4) is glass fibre.
3. the pick-up unit of SF6 on-load switch mechanical transmission mechanism according to claim 1, is characterized in that: described electromagnet for controlling switch (6) is DC electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344159.5U CN204575325U (en) | 2015-05-18 | 2015-05-18 | A kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344159.5U CN204575325U (en) | 2015-05-18 | 2015-05-18 | A kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204575325U true CN204575325U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520344159.5U Withdrawn - After Issue CN204575325U (en) | 2015-05-18 | 2015-05-18 | A kind of pick-up unit of SF6 on-load switch mechanical transmission mechanism |
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| CN (1) | CN204575325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833509A (en) * | 2015-05-18 | 2015-08-12 | 上虞市舜兴电力有限公司 | SF6 load switch mechanical transmission mechanism detection device |
-
2015
- 2015-05-18 CN CN201520344159.5U patent/CN204575325U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833509A (en) * | 2015-05-18 | 2015-08-12 | 上虞市舜兴电力有限公司 | SF6 load switch mechanical transmission mechanism detection device |
| CN104833509B (en) * | 2015-05-18 | 2018-08-14 | 上虞市舜兴电力有限公司 | A kind of detection device of SF6 on-load switches mechanical transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160223 Address after: 312300 Zhejiang Province, Shaoxing city Shangyu District City Street No. 501 Renmin Road Patentee after: SHANGYU CITY SHUNXING ELECTRIC POWER CO., LTD. Patentee after: State Grid Corporation of China Patentee after: STATE GRID ZHEJIANG SHAOCING SHANGYU DISTRICT POWER SUPPLY CO., LTD. Address before: City Street 312300 Renmin Road Zhejiang city of Shangyu Province, No. 501 Patentee before: SHANGYU CITY SHUNXING ELECTRIC POWER CO., LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150819 Effective date of abandoning: 20180814 |