CN201766020U - Intelligent rapid closing switch - Google Patents
Intelligent rapid closing switch Download PDFInfo
- Publication number
- CN201766020U CN201766020U CN2010205265824U CN201020526582U CN201766020U CN 201766020 U CN201766020 U CN 201766020U CN 2010205265824 U CN2010205265824 U CN 2010205265824U CN 201020526582 U CN201020526582 U CN 201020526582U CN 201766020 U CN201766020 U CN 201766020U
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Abstract
The utility model relates to an intelligent rapid closing switch suitable for flexible DC transmission project of intelligent power grid, comprising a vacuum switch tube, wherein an insulator is fixedly connected with an extension end of a movable conducting rod of the vacuum switch tube, and a permanent magnet operation mechanism is arranged below the insulator; the permanent operation mechanism comprises a magnet barrel fixedly connected in an insulating lower frame, a coil is fixedly connected in the magnet barrel, a static iron core is fixedly connected with the upper part of a coil inner hole, a permanent magnet is fixedly connected above the coil, a magnet barrel cover, which is fixedly connected with the magnet barrel, is fixedly connected above the permanent magnet, a lower end of the insulator is fixedly connected with a long screw stem orderly passing through the magnet barrel cover, the permanent and the static iron core in clearance fit manner, the lower end thereof is fixedly connected with a movable iron core which is in clearance fit with the lower part of the coil inner hole. A permanent operation mechanism is utilized by the utility model to operate the switch so as to realize the change of opening and closing state of a main switch with only a pulse current, the requirement of rapid closing is realized.
Description
Technical field
The utility model relates to a kind of intelligence switch that closes a floodgate fast, specifically is applicable to intelligent grid, and rated voltage is in the flexible DC power transmission project of 3 ~ 12KV, can intelligence connects a kind of special key of circuit fast.
Background technology
Along with China's intelligent grid enters the exemplary construction period, be applicable in the flexible DC power transmission project of intelligent grid can intelligence the product of combined floodgate switch is still blank at home at present fast, so research, design, the developing intellectual resource switch that closes a floodgate fast becomes design, developing intellectual resource electrical network and enters an exemplary task of top priority of building level section.Combined floodgate switch requirement operating current is big fast for the intelligence of 3 ~ 12KV flexible DC power transmission project in the intelligent grid, and can close a floodgate fast.
Summary of the invention
The utility model is at the problems referred to above, and a kind of intelligence switch that closes a floodgate fast is provided, this switch reliable operation, and response speed is fast especially, has satisfied the quick combined floodgate requirement of flexible DC power transmission system in the intelligent grid.
According to technical scheme provided by the utility model, the described intelligence switch that closes a floodgate fast, insulation upper frame that comprises vacuum switch tube and be fixed together and insulation underframe, the static conductive rod of described vacuum switch tube is fixedly connected on the described insulation upper frame, is fixedly connected with insulator on the external part of the moving conductive rod of described vacuum switch tube; Be provided with permanent-magnet manipulating mechanism below the described insulator; Described permanent-magnet manipulating mechanism comprises the magnetic staving that is fixedly connected in the described insulation underframe, magnetic staving internal fixation is connected with coil, the top of coil endoporus is fixedly connected with static iron core, be fixedly connected with permanent magnet above the coil, be fixedly connected with the magnetic bung above the permanent magnet, the magnetic bung is fixedlyed connected with described magnetic staving, the lower end of described insulator is fixedly connected with long bolt, described long bolt passes to matched in clearance described magnetic bung successively, described permanent magnet and described static iron core, its lower end is fixedly connected with moving iron core, and described moving iron core gap is engaged in the bottom of described coil endoporus.
Be fixedly connected with on the described long bolt between described magnetic bung and the described insulator and re-pack, described re-packing is provided with tripping spring, and the other end of described tripping spring is fixedly connected on the described insulation underframe; Described re-pack below be provided with the screw that re-packs, the described screw that re-packs is corresponding with the auxiliary switch on being arranged on described magnetic bucket outer wall, described auxiliary switch and described coil are electrically connected with the intelligent power module.
Described auxiliary switch adopts active wink ejector half appliance switch.
Described magnetic staving is fixedly connected on the insulating base, and described insulating base is fixedly connected in the described insulation underframe.
The top of described insulator is provided with axial cavity, the upper end of described cavity is fixedly connected with connecting ring, described cavity the lower end be provided with interior step, be provided with pull bar in the described cavity, pass to described pull bar matched in clearance described connecting ring and be fixedly connected on the lower end of described moving conductive rod, described pull bar in the described cavity is provided with bulge loop, is provided with touch spring between described bulge loop and the described interior step.
The upper end of described static conductive rod connects quiet busbar, and described quiet busbar is fixedly connected on the described insulation upper frame; The lower end of described moving conductive rod is fixedly connected with conductive clip, and described conductive clip is connected with moving conductive row by flexible conductor, and described moving conductive row is fixedly connected on the described insulation upper frame.
Technique effect of the present utility model is: adopt permanent-magnet manipulating mechanism to come console switch, only need a pulse current can realize the change of main switch opening and closing state, reached the requirement of quick combined floodgate; Simultaneously when main switch during at closing position, try hard to keep by the permanent magnetism in the permanent-magnet manipulating mechanism and to hold switch and be in closing position, carry out on the spot manually on/off switch operation and need not consume external energy even under power free situation, also can split to close, be the energy-conserving and environment-protective new products; The ingenious uniqueness of insulator structure, touch spring is fixed on the centre of insulator, make touch spring near on the one hand from main switch moving contact distance, when closing a floodgate fast, greatly reduced closing rebound, make moved end electric insulation safe distance widen on the other hand, satisfied the desired big creepage distance of flexible DC power transmission; Adopted the intelligent power module, make switch realized wireless remote control communication and and the intellectualized operation of controlled function automatically such as computernetworking; Adopt active wink ejector half auxiliary contact, made the main switch status signal that feeds back and the actual residing state synchronised of main switch.
The original creation of the utility model structure, reliable operation, performance unanimity, intellectualized operation, response speed are ultrafast, are specially adapted to connect fast in the flexible DC power transmission project of intelligent grid the occasion of circuit.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left-hand central cross-sectional view of Fig. 1, and wherein moving contact and fixed contact are in on-state;
Fig. 3 is the left-hand central cross-sectional view of Fig. 1, and wherein moving contact and fixed contact are in released state.
Embodiment
Below in conjunction with concrete drawings and Examples the utility model is described further.
As Fig. 1 ~ shown in Figure 3, comprise quiet busbar 1, insulation upper frame 2, vacuum switch tube 3, moving conductive rod 4, conductive clip 5, pull bar 6, connecting ring 7, touch spring 8, insulator 9, tripping spring 10, re-pack 11, screw 12 re-packs, auxiliary switch 13, long bolt 14, intelligent power module 15, insulation underframe 16, insulating base 17, moving iron core 18, static iron core 19, coil 20, permanent magnet 21, magnetic staving 22, magnetic bung 23, flexible conductor 24, moving conductive row 25, shell 26, moving contact 27, fixed contact 28, static conductive rod 29, interior step 30, cavity 31 and bulge loop 32 etc.
The utility model is a kind of intelligence switch that closes a floodgate fast, comprises vacuum switch tube 3 and is bolted to connection together insulation upper frame 2 and insulation underframe 16.
The shell of vacuum switch tube 3 adopts insulating ceramic materials to make, and is provided with static conductive rod 29 and moving conductive rod in the vacuum switch tube 3.Static conductive rod 29 is fixedly connected on the insulation upper frame 2, and the upper end of static conductive rod 29 connects quiet busbar 1, and quiet busbar 1 is fixedly connected on the insulation upper frame 2; The lower end of static conductive rod 29 is welded with fixed contact 28.The lower end of moving conductive rod 4 is fixedly connected with conductive clip 5, and conductive clip 5 is connected with moving conductive row 25 by flexible conductor 24, and moving conductive row 25 is fixedly connected on the insulation upper frame 2; The upper end of moving conductive rod 4 is welded with moving contact 27, and moving contact 27 is relative up and down with fixed contact 28, but the contact separation main circuit.
Be fixedly connected with insulator 9 on the external part of the moving conductive rod 4 of vacuum switch tube 3.The top of insulator 9 is provided with axial cavity 31, the upper end screw thread of cavity 31 is fixedly connected with connecting ring 7, cavity 31 the lower end be provided with in step 30, be provided with pull bar 6 in the cavity 31, pass connecting ring 7 to pull bar 6 matched in clearance and be fixedly connected on the lower end of moving conductive rod 4, pull bar 6 in the cavity 31 is provided with bulge loop 32, is provided with touch spring 8 between bulge loop 32 and the interior step 30.
Be provided with permanent-magnet manipulating mechanism below the insulator 9.Permanent-magnet manipulating mechanism comprises the magnetic staving 22 that is fixedly connected in the insulation underframe 16, and magnetic staving 22 is fixedly connected on the insulating base 17, and insulating base 17 is fixedly connected in the insulation underframe 16.Magnetic staving 22 internal fixation are connected with coil 20, the top of coil 20 endoporus is fixedly connected with static iron core 19, be fixedly connected with permanent magnet 21 above the coil 20, be fixedly connected with magnetic bung 23 above the permanent magnet 21, magnetic bung 23 is fixedlyed connected with magnetic staving 22, the lower end of insulator 9 is fixedly connected with long bolt 14, long bolt 14 passes to matched in clearance magnetic bung 23, permanent magnet 21 and static iron core 19 successively, its lower end is fixedly connected with moving iron core 18, moving iron core 18 matched in clearance can move up and down in coil 20 endoporus in the bottom of coil 20 endoporus.
Be fixedly connected with on the long bolt 14 between magnetic bung 23 and the insulator 9 and re-pack 11, re-packing 11 is provided with tripping spring 10, and the other end of tripping spring 10 is fixedly connected on the insulation underframe 16; Re-pack 11 below be provided with the screw 12 that re-packs, the screw 12 that re-packs is corresponding with the auxiliary switch 13 on being arranged on magnetic staving 22 outer walls, auxiliary switch 13 and coil 20 are electrically connected with intelligent power module 15.When on/off switch by the screw 12 that re-packs control auxiliary switch 13 the contact close branch action.
Digital integrated circuit, PLC control circuit, infrared receiving-transmitting device, UBS interface etc. are housed in the intelligent power module 15, make main switch realize wireless remote control communication and and the intellectualized operation of controlled function automatically such as computernetworking.
When intelligent power module 15 is received the feed motion instruction, send a direct impulse electric current, the direct impulse electric current offers coil 20 by control electric wire and auxiliary switch 13, coil 20 produces the magnetic flux with permanent magnet 21 equidirectionals, the counter-force that the magnetic field force that two magnetic field superposition produce overcomes tripping spring 10 makes moving iron core 18 fast to static iron core 19 adhesives, and the moving contact 27 that drives in the vacuum switch tube 3 closes a floodgate to fixed contact 28 fast.
When intelligent power module 15 is received the separating brake action command, send a reverse impulse electric current, offer coil 20 by control electric wire and auxiliary switch 13, coil 20 produces and permanent magnet 21 rightabout magnetic field forces, while is under the acting in conjunction of the counter-force of tripping spring 10, make moving iron core 18 separate with static iron core 19 fast, drive moving contact 27 quick and fixed contact 28 separating brakes in the vacuum switch tube 3.
Gu only need an electric pulse can realize the change of main switch opening and closing state,, can be widely used in the occasion that requires quick on/off switch so its branch wire time is short, speed is fast.
The course of work of the present utility model and operation principle are as follows:
As shown in Figure 2, when the quick combined floodgate switch of needs intelligence closes a floodgate, when being moving contact 27 and closed connection of fixed contact 28 needs, direct impulse electric current in coil 20, leading to, the magnetic flux of generation and permanent magnet 21 equidirectionals in moving iron core 18 and static iron core 19, the magnetic field force that two magnetic field superposition produce overcomes the counter-force of tripping spring 10, make the moving iron core 18 adhesive static iron core 19 that moves upward fast, moving simultaneously iron core 18 drives long bolt 14, insulator 9, touch spring 8, pull bar 6, moving conductive rod 4, moving contact 27 moves upward, thereby make moving contact 27 and fixed contact 28 closed connections, realize the feed motion of switch; Interior step in insulator 9 cavitys 31 30 promotes touch spring 8 simultaneously, touch spring 8 pushing drawing rods 6, and pull bar 6 promotes moving conductive rod 4, when moving contact 27 is contacted with fixed contact 28 bigger contact pressure is arranged, and can reduce closing rebound.
As shown in Figure 3, when needs intelligence fast during combined floodgate switch separating brake, reverse impulse electric current in coil 20, leading to, in moving iron core 18 and static iron core 19, produce and permanent magnet 21 rightabout magnetic field forces, while is under the acting in conjunction of the counter-force of tripping spring 10, make moving iron core 18 separate with static iron core 19 fast, the moving contact 27 that drives in the vacuum switch tube 3 separates with fixed contact 28 fast, realizes the separating brake action of switch.
The utlity model has following advantage:
1. adopt permanent-magnet manipulating mechanism to come console switch, only need a pulse current can realize the change of brake of master switch state, reached the requirement of rapid closing, this switch can be finished feed motion in the interval of≤5ms; When main switch during at closing position, being in closing position by the permanent magnetic maintained switch in the permanent-magnet manipulating mechanism simultaneously, carrying out on the spot manual opening-closing operation and need not consume external energy even also can split to close in power free situation, is the energy-conserving and environment-protective new products.
2. the ingenious uniqueness of insulator structure, touch spring is fixed on the centre of insulator, on the one hand so that touch spring from main switch moving contact near distance, when rapid closing, greatly reduced closing rebound, closing rebound≤3ms so that moved end electric insulation safe distance widens, has satisfied the desired big creep age distance of flexible DC power transmission on the other hand.
3. adopted the intelligent power module, made switch realize wireless remote control communication and and the intellectualized operation of the automatic control function such as computernetworking.
4. active wink ejector half auxiliary contact have been adopted, so that feed back the main switch status signal that and the actual residing state synchronised of main switch.
5. design original creation, adopt the compacting of all insulation frame mold, make whole switch electrical insulation properties height, rational in infrastructure, reliable operation, production easy to maintenance, and all switch parameters are consistent, the operating current in the flexible DC power transmission of 3 ~ 12KV can reach 630A.
The original creation of the utility model structure, reliable operation, performance are consistent, intellectualized operation, response speed are ultrafast, are specially adapted to the occasion of quick-make circuit in the flexible DC power transmission project of intelligent grid.
Claims (6)
1. intelligence switch that closes a floodgate fast, insulation upper frame (2) that comprises vacuum switch tube (3) and be fixed together and insulation underframe (16), the static conductive rod (29) of described vacuum switch tube (3) is fixedly connected on the described insulation upper frame (2), be fixedly connected with insulator (9) on the external part of the moving conductive rod (4) of described vacuum switch tube (3), it is characterized in that: be provided with permanent-magnet manipulating mechanism below the described insulator (9); Described permanent-magnet manipulating mechanism comprises the magnetic staving (22) that is fixedly connected in the described insulation underframe (16), magnetic staving (22) internal fixation is connected with coil (20), the top of coil (20) endoporus is fixedly connected with static iron core (19), be fixedly connected with permanent magnet (21) above the coil (20), be fixedly connected with magnetic bung (23) above the permanent magnet (21), magnetic bung (23) is fixedlyed connected with described magnetic staving (22), the lower end of described insulator (9) is fixedly connected with long bolt (14), described long bolt (14) passes to matched in clearance described magnetic bung (23) successively, described permanent magnet (21) and described static iron core (19), its lower end is fixedly connected with moving iron core (18), and described moving iron core (18) matched in clearance is in the bottom of described coil (20) endoporus.
2. the intelligence as claimed in claim 1 switch that closes a floodgate fast, it is characterized in that: be fixedly connected with re-pack (11) on the described long bolt (14) between described magnetic bung (23) and the described insulator (9), described re-packing (11) is provided with tripping spring (10), and the other end of described tripping spring (10) is fixedly connected on the described insulation underframe (16); Be provided with the screw that re-packs (12) below described the re-packing (11), the described screw that re-packs (12) is corresponding with the auxiliary switch (13) on being arranged on described magnetic staving (22) outer wall, and described auxiliary switch (13) and described coil (20) are electrically connected with intelligent power module (15).
3. the intelligence as claimed in claim 2 switch that closes a floodgate fast is characterized in that: described auxiliary switch (13) adopts active wink ejector half appliance switch.
4. the intelligence as claimed in claim 1 switch that closes a floodgate fast, it is characterized in that: described magnetic staving (22) is fixedly connected on the insulating base (17), and described insulating base (17) is fixedly connected in the described insulation underframe (16).
5. the intelligence as claimed in claim 1 switch that closes a floodgate fast, it is characterized in that: the top of described insulator (9) is provided with axial cavity (31), the upper end of described cavity (31) is fixedly connected with connecting ring (7), described cavity (31) the lower end be provided with interior step (30), be provided with pull bar (6) in the described cavity (31), pass described connecting ring (7) to described pull bar (6) matched in clearance and be fixedly connected on the lower end of described moving conductive rod (4), described pull bar (6) in the described cavity (31) is provided with bulge loop (32), is provided with touch spring (8) between described bulge loop (32) and the described interior step (30).
6. the intelligence as claimed in claim 1 switch that closes a floodgate fast, it is characterized in that: the upper end of described static conductive rod (29) connects quiet busbar (1), and described quiet busbar (1) is fixedly connected on the described insulation upper frame (2); The lower end of described moving conductive rod (4) is fixedly connected with conductive clip (5), and described conductive clip (5) is connected with moving conductive row (25) by flexible conductor (24), and described moving conductive row (25) is fixedly connected on the described insulation upper frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205265824U CN201766020U (en) | 2010-09-13 | 2010-09-13 | Intelligent rapid closing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205265824U CN201766020U (en) | 2010-09-13 | 2010-09-13 | Intelligent rapid closing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201766020U true CN201766020U (en) | 2011-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205265824U Expired - Fee Related CN201766020U (en) | 2010-09-13 | 2010-09-13 | Intelligent rapid closing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201766020U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403163A (en) * | 2011-11-21 | 2012-04-04 | 无锡市蓝虹电子有限公司 | Quick horizontal vacuum switch for flexible power transmission |
| CN102426975A (en) * | 2011-11-21 | 2012-04-25 | 上海东自电气有限公司 | Permanent magnetic operation mechanism |
| CN104157474A (en) * | 2014-09-01 | 2014-11-19 | 江苏神马电力股份有限公司 | Operating rod and insulator with same |
| CN104167335A (en) * | 2014-09-01 | 2014-11-26 | 江苏神马电力股份有限公司 | Insulator with operating lever |
| CN108231471A (en) * | 2018-03-01 | 2018-06-29 | 甘肃虹光电子有限责任公司 | A kind of flexible transmission is switched with vacuum by-pass |
| CN110634719A (en) * | 2019-08-20 | 2019-12-31 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker operating mechanism |
| CN110634716A (en) * | 2019-08-20 | 2019-12-31 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker |
-
2010
- 2010-09-13 CN CN2010205265824U patent/CN201766020U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403163A (en) * | 2011-11-21 | 2012-04-04 | 无锡市蓝虹电子有限公司 | Quick horizontal vacuum switch for flexible power transmission |
| CN102426975A (en) * | 2011-11-21 | 2012-04-25 | 上海东自电气有限公司 | Permanent magnetic operation mechanism |
| CN102403163B (en) * | 2011-11-21 | 2014-05-28 | 无锡市蓝虹电子有限公司 | Quick horizontal vacuum switch for flexible power transmission |
| CN104157474A (en) * | 2014-09-01 | 2014-11-19 | 江苏神马电力股份有限公司 | Operating rod and insulator with same |
| CN104167335A (en) * | 2014-09-01 | 2014-11-26 | 江苏神马电力股份有限公司 | Insulator with operating lever |
| CN104167335B (en) * | 2014-09-01 | 2016-02-24 | 江苏神马电力股份有限公司 | With the insulator of joystick |
| CN104157474B (en) * | 2014-09-01 | 2016-11-30 | 江苏神马电力股份有限公司 | Stick and the insulator with this stick |
| CN108231471A (en) * | 2018-03-01 | 2018-06-29 | 甘肃虹光电子有限责任公司 | A kind of flexible transmission is switched with vacuum by-pass |
| CN108231471B (en) * | 2018-03-01 | 2023-12-01 | 甘肃虹光电子有限责任公司 | Vacuum bypass switch for flexible power transmission |
| CN110634719A (en) * | 2019-08-20 | 2019-12-31 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker operating mechanism |
| CN110634716A (en) * | 2019-08-20 | 2019-12-31 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker |
| CN110634716B (en) * | 2019-08-20 | 2022-06-07 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker |
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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 |
Granted publication date: 20110316 Termination date: 20150913 |
|
| EXPY | Termination of patent right or utility model |