CN205069493U - Vacuum load switch and fuse combined electrical apparatus - Google Patents
Vacuum load switch and fuse combined electrical apparatus Download PDFInfo
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- CN205069493U CN205069493U CN201520724030.7U CN201520724030U CN205069493U CN 205069493 U CN205069493 U CN 205069493U CN 201520724030 U CN201520724030 U CN 201520724030U CN 205069493 U CN205069493 U CN 205069493U
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Abstract
The utility model relates to a vacuum load switch and fuse combined electrical apparatus belongs to electrical equipment technical field. The utility model discloses a switch housing frame, an earthing switch and an incorporated hand -operated device, fuse and trip gear, isolator and the 2nd incorporated hand -operated device, vacuum load switch and spring mechanism, the beneficial effects of the utility model are that: vacuum load switch level is placed, and vacuum interrupter is sealed completely by insulating material epoxy and forms the solid utmost point post that seals, has greatly strengthened the insulation level of equipment, the solid utmost point post that seals that contains vacuum interrupter passes housing frame, and the quiet end of explosion chamber moves with isolator through the conducting rod that the sword fulcrum is direct to link to each other, the explosion chamber move the end through the flexible coupling with connect the copper bar direct with the fuse on melt and be connected, got rid of the intermediate junction link for the structure is more simple compact, has saved the space, the quiet end of load switch vacuum interrupter through conducting rod and isolator move the direct structure that links to each other of sword fulcrum can ensure isolator when the separating brake state, it is electrified that isolator moves the sword, need not consider the insulation distance of this state to ground to reduce corollary equipment's appearance.
Description
Technical field
The utility model relates to a kind of vacuum load switch and fuse combined electric apparatus, belongs to technical field of electric equipment.
Background technology
Vacuum load switch and fuse combined electric apparatus adopt on-load switch to control, fuse carries out the unit switch equipment of fuse protection, the traditional structure of this equipment arranges that different manufacturers is similar, general employing on-load switch is in the lower left side of cage, fuse is in the upper left side of cage, isolating switch is on the right side of cage, earthed switch is in the below of cage, this structure because of each unit relatively independent, institute takes up space larger, the copper bar that need connect when joining cabinet is more, cost is higher, isolating switch is when gate-dividing state, isolating switch moving knife is charged, as safe insulation distance will be ensured, then the overall dimension of corollary equipment will strengthen, arc control device in addition because of this structural load switch are directly in atmosphere exposed, it is caused to be difficult to meet the insulating requirements of high altitude localities.
Utility model content
The purpose of this utility model is to address the deficiencies of the prior art, and provides a kind of vacuum load switch and fuse combined electric apparatus, improves the security reliability of equipment use, meets the insulating requirements of high altitude localities.
In order to solve and reach above-mentioned technical problem, the utility model takes following technical scheme: a kind of vacuum load switch and fuse combined electric apparatus, comprise switch cage, earthed switch and the first man-operating mechanism, fuse and trip gear thereof, isolating switch and the second man-operating mechanism, vacuum load switch and spring mechanism, combined electrical apparatus is separated into inlet wire side and outgoing line side by described switch cage, vacuum load switch is fixed in cage through cage with horizontal level, the quiet end of vacuum load switch by conducting rod and isolating switch moving knife direct-connected, the moved end of vacuum load switch is by being flexible coupling and being connected copper bar and being directly connected with the deck of fuse.The cage being positioned at inlet wire side is settled isolated insulation, described isolated insulation connects lead-in line row and the quiet end of isolating switch away from one end of cage, described isolating switch moving knife inserts the quiet end of isolating switch, the hinged insulated tension pole in middle part of described isolating switch moving knife, the other end of described insulated tension pole connects the second man-operating mechanism, bottom the cage being positioned at outgoing line side, earthed switch is installed, the quiet end of described earthed switch connects earthed switch insulator, the moved end of earthed switch connects the first man-operating mechanism, the quiet end of described earthed switch connects the lower molten seat of described fuse by outlet row, the upper molten seat of described fuse is connected with trip gear.
Described vacuum load switch is vacuum interrupter, and vacuum interrupter is encapsulated formation pole completely by insulating material epoxy resin.
Described earthed switch is turned clockwise by the first man-operating mechanism or is rotated counterclockwise the structure making spring cross dead point, is grounded the quick splitting or integrating lock operation of switch.
Described isolating switch is turned clockwise by the second man-operating mechanism or is rotated counterclockwise the structure making spring cross dead point, realizes the quick splitting or integrating lock operation of isolating switch.
The upper and lower end of described fuse forms safe fracture by isolating switch and earthed switch, guarantees that overhaul of the equipments is safe and reliable.
Second man-operating mechanism of the spring mechanism of vacuum load switch, the first man-operating mechanism of earthed switch and isolating switch, all in the operation of combined electrical apparatus front portion, slided up and down by operation interlocking handle, realize vacuum load switch with having no mechanical damage, " five anti-interlockings " between isolating switch and earthed switch, specifically: vacuum load switch spring mechanism is located at combined electrical apparatus front portion, can manually or electric operating; Earthed switch is operated by the first man-operating mechanism, realizes rapid closing or separating brake; Isolating switch is operated by the second man-operating mechanism, realizes rapid closing or separating brake; Fuse is equiped with the device for fusing making vacuum load switch rapid-releasing, prevents load phase-deficient operation; The utility model has the advantages such as modern design, volume be little, easy and simple to handle, safe and reliable, easy to maintenance.
Relative to prior art, the beneficial effects of the utility model are: vacuum load switch horizontal positioned, and vacuum interrupter is encapsulated formation pole completely by insulating material epoxy resin, significantly enhance the insulation level of equipment, pole containing vacuum interrupter is through cage, the quiet end of arc control device is directly connected with isolating switch moving knife fulcrum by conducting rod, movable end of arc extinguishing chamber by be flexible coupling be connected copper bar directly with fuse melts seat and is connected, eliminate intermediate connecting ring joint, make structure more simply compact, save space, by the structure that conducting rod and isolating switch moving knife fulcrum are directly connected, the quiet end of on-load switch vacuum interrupter can guarantee that isolating switch is when gate-dividing state in addition, isolating switch moving knife is not charged, do not need to consider this state insulation distance over the ground, thus reduce the profile of corollary equipment.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the left view of Fig. 1.
In figure: 1 cage, 2 isolating switch moving knife fulcrums, 3 isolating switch moving knife, 4 insulated tension poles, the quiet end of 5 isolating switch, 6 lead-in line rows, 7 isolation switch insulation, 8 earthed switch moving knife, 9 outlet rows, the quiet end of 10 earthed switch, 11 earthed switch insulators, 12 fuses, 13 on-load switch poles (containing vacuum interrupter), 14 spring mechanisms, 15 first man-operating mechanisms, 16 second man-operating mechanisms.
Embodiment
Embodiment
As shown in Figure 1 and Figure 2, vacuum load switch and fuse combined electric apparatus are divided into inlet wire side and outgoing line side by cage 1 by vacuum load switch of the present utility model and fuse combined electric apparatus, inlet wire side installing isolating switch moving knife fulcrum 2, isolating switch moving knife 3, insulated tension pole 4, the quiet end 5 of isolating switch, lead-in line row 6 and isolation switch insulation 7, outgoing line side installing earthed switch moving knife 8, outlet row 9, the quiet end 10 of earthed switch, earthed switch insulator 11 and fuse 12, on-load switch is that level is installed and the vacuum interrupter adopting transfer current high, its vacuum interrupter is encapsulated completely by epoxy resin and is formed pole 13 and be fixed in cage 1 through cage 1 with horizontal level, the quiet end of arc control device is directly connected with isolating switch moving knife fulcrum 2 by conducting rod, movable end of arc extinguishing chamber by be flexible coupling be connected copper bar directly with fuse 12 melts seat and is connected, isolation switch insulation 7 one end are fixed in cage 1, one end away from cage 1 connects lead-in line row 6 and the quiet end 5 of isolating switch, the hinged insulated tension pole 4 in middle part of isolating switch moving knife, the other end of insulated tension pole connects the second man-operating mechanism, earthed switch insulator 11 one end is fixed in cage 1, one end away from cage 1 connects outlet row 9 and the quiet end 10 of earthed switch, the lower molten seat of fuse 12 is connected with outlet row 9, second man-operating mechanism 16 of the spring mechanism 14 of vacuum load switch, the first man-operating mechanism 15 of earthed switch and isolating switch, is all arranged on the operation of combined electrical apparatus front portion.
Vacuum load switch and fuse combined electric apparatus, before operation, operate the first man-operating mechanism 15, and the quiet end 10 of earthed switch moving knife 8 and earthed switch is separated, and earthed switch is in gate-dividing state (as shown in Figure 1 position); Operate the second man-operating mechanism 16, by insulated tension pole 4, make isolating switch moving knife 3 insert the quiet end 5 of isolating switch, isolating switch is in "on" position; Operating spring mechanism 14 makes on-load switch 13 be in "on" position.
Operationally electric current is by lead-in line row 6 for vacuum load switch and fuse combined electric apparatus, and the quiet end 5 of isolating switch and isolating switch moving knife 3 flow out to outlet row 9 to on-load switch pole 13 through fuse 12, enter corollary equipment.
Vacuum load switch and fuse combined electric apparatus are in operation, arbitrary when running into fault current mutually, fuse 12 quick acting, and spring mechanism 14 is threaded off simultaneously, makes vacuum load switch 13 separating brake.
Vacuum load switch and fuse combined electric apparatus are when overhauling, operating spring mechanism 14 makes on-load switch 13 be in gate-dividing state, operate the second man-operating mechanism 16, by insulated tension pole 4, the quiet end 5 of isolating switch moving knife 3 and isolating switch is separated, and isolating switch is in gate-dividing state (as shown in Figure 1 position); Operate the first man-operating mechanism 15, make earthed switch moving knife 8 insert the quiet end 10 of earthed switch, earthed switch is in "on" position.Under this state, isolating switch moving knife is not charged, does not need to consider this state insulation distance over the ground, thus reduces the profile of corollary equipment.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all fall into the protection range of the utility model requirement.
Claims (5)
1. a vacuum load switch and fuse combined electric apparatus, comprise switch cage, earthed switch and the first man-operating mechanism, fuse and trip gear thereof, isolating switch and the second man-operating mechanism, vacuum load switch and spring mechanism, it is characterized in that: combined electrical apparatus is separated into inlet wire side and outgoing line side by described switch cage, described vacuum load switch is fixed in cage through cage with horizontal level, the quiet end of vacuum load switch by conducting rod and isolating switch moving knife direct-connected, the moved end of vacuum load switch is by being flexible coupling and being connected copper bar and being directly connected with the deck of fuse, the cage being positioned at inlet wire side is settled isolated insulation, described isolated insulation connects lead-in line row and the quiet end of isolating switch away from one end of cage, described isolating switch moving knife inserts the quiet end of isolating switch, the hinged insulated tension pole in middle part of described isolating switch moving knife, the other end of described insulated tension pole connects the second man-operating mechanism, bottom the cage being positioned at outgoing line side, earthed switch is installed, the quiet end of described earthed switch connects earthed switch insulator, the moved end of described earthed switch connects the first man-operating mechanism, the quiet end of described earthed switch connects the lower molten seat of described fuse by outlet row, the upper molten seat of described fuse is connected with trip gear.
2. vacuum load switch and fuse combined electric apparatus according to claim 1, is characterized in that: described vacuum load switch is vacuum extinction, and vacuum interrupter outer encapsulating epoxy resin forms pole.
3. vacuum load switch and fuse combined electric apparatus according to claim 1, is characterized in that: the upper and lower end of described fuse forms safe fracture by isolating switch and earthed switch.
4. vacuum load switch and fuse combined electric apparatus according to claim 1, is characterized in that: described earthed switch is turned clockwise by the first man-operating mechanism or is rotated counterclockwise and makes spring cross dead point to carry out splitting or integrating lock.
5. vacuum load switch and fuse combined electric apparatus according to claim 1, is characterized in that: described isolating switch is turned clockwise by the second man-operating mechanism or is rotated counterclockwise and makes spring cross dead point to carry out splitting or integrating lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520724030.7U CN205069493U (en) | 2015-09-17 | 2015-09-17 | Vacuum load switch and fuse combined electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520724030.7U CN205069493U (en) | 2015-09-17 | 2015-09-17 | Vacuum load switch and fuse combined electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069493U true CN205069493U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520724030.7U Active CN205069493U (en) | 2015-09-17 | 2015-09-17 | Vacuum load switch and fuse combined electrical apparatus |
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| CN (1) | CN205069493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731615A (en) * | 2017-11-13 | 2018-02-23 | 江苏大全高压开关有限公司 | A kind of new isolation for cable branch box, earthed switch |
| CN110459427A (en) * | 2019-06-27 | 2019-11-15 | 许继集团有限公司 | A kind of switch-fuse combination and its trip gear |
-
2015
- 2015-09-17 CN CN201520724030.7U patent/CN205069493U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731615A (en) * | 2017-11-13 | 2018-02-23 | 江苏大全高压开关有限公司 | A kind of new isolation for cable branch box, earthed switch |
| CN107731615B (en) * | 2017-11-13 | 2020-06-16 | 江苏大全高压开关有限公司 | Novel isolating and grounding switch for cable branch box |
| CN110459427A (en) * | 2019-06-27 | 2019-11-15 | 许继集团有限公司 | A kind of switch-fuse combination and its trip gear |
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