CN105742085A - Single-phase magnetic latching operating mechanism - Google Patents
Single-phase magnetic latching operating mechanism Download PDFInfo
- Publication number
- CN105742085A CN105742085A CN201610249232.XA CN201610249232A CN105742085A CN 105742085 A CN105742085 A CN 105742085A CN 201610249232 A CN201610249232 A CN 201610249232A CN 105742085 A CN105742085 A CN 105742085A
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- China
- Prior art keywords
- iron core
- operating mechanism
- magnetic
- movable iron
- phase magnetic
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229920003023 plastic Polymers 0.000 claims abstract description 29
- 239000004033 plastic Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000005693 optoelectronics Effects 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical group [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- -1 and cost is high Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008713 feedback mechanism Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention provides a single-phase magnetic latching operating mechanism for high-voltage switch equipment, which comprises an upper magnetic yoke, a lower magnetic yoke, a magnetic sleeve, a movable iron core assembly, a lower plastic end block and a metal fixed pressing plate, wherein the upper magnetic yoke and the lower magnetic yoke are fixed on the upper magnetic yoke; a coil is arranged between the upper and lower magnetic yokes and the sleeve; the movable iron core assembly comprises a movable iron core and a plastic sealing cover arranged at the lower part of the movable iron core in a threaded manner; an air gap dustproof convex edge is arranged at the upper end part of the movable iron core, and the middle of the movable iron core penetrates through the operating pull rod and the opening and closing spring; the movable iron core runs in a limiting mode between the plastic end block and the upper magnetic yoke and is matched with the operating pull rod through the opening and closing spring to complete mechanism operation; the plastic end block has embedded therein a photo-sensor element. The single-phase magnetic latching operating mechanism provided by the invention adopts low-cost alloy structural steel to form a magnetic sleeve, has a sealed dustproof direct-acting structure, completely avoids friction jamming of mechanism movement through the limit of the end part of a movable iron core and the transmission of position and speed photoelectric signals, and realizes the low-cost, high-reliability, intelligent monitoring and long-life operation of the operating mechanism.
Description
Technical field
The present invention relates to a kind of single-phase magnetic and keep operating mechanism, belong to high-tension switch gear field.
Background technology
There is following situation in permanent-magnet operating mechanism: adopts Nd-Fe-B permanent magnet to complete operation and keep, and there is neodymium iron boron demagnetization phenomenon in operation, and frequent operation easily causes failure mechanisms, and mechanism can not reach the frequent operation requirement of more than 100,000 times.There is bits foam to deposit to iron core and sleeve fit clearance thus causing the situation of operation jam faults.Neodymium iron boron is rare earth material, and cost is high, material easily fragmentation itself, and mounting process is required height.Mechanism's breaking-closing operating needs trigger energy big, it is necessary to coupling Large Copacity storage capacitor, and power supply capacity is required height.Operating mechanism positional information adopts frame for movement to realize, it is impossible to feedback mechanism speed of operation information.
Summary of the invention
For overcoming the drawbacks described above under prior art, the present invention provides a kind of single-phase magnetic to keep operating mechanism, material and low cost of manufacture, trigger energy is little, simple in construction, and component part is few, action consistency is good, can transmission mechanism position and speed of action information, avoid the friction bite of mechanism's operational movement completely, it is achieved the low cost of operating mechanism, highly reliable, intelligent monitoring, long-life are run.
Technical solution of the present invention is:
A kind of single-phase magnetic keeps operating mechanism, including upper lower yoke, magnetic sleeve, dynamic core assembly, bottom plastics end block and metal fixation clip, arranging coil in the middle of described upper lower yoke and described sleeve, described dynamic core assembly includes dynamic iron core and the plastic closure of lower thread installation thereof, through operation pull bar, tripping spring and closing pressure spring in the middle of described dynamic iron core.
Described dynamic iron core is completely sealed in mechanism's cavity.
Described tripping spring upper end is against upper magnet yoke;Described closing pressure spring upper end is against operation pull bar positive stop end;Described tripping spring and closing pressure lower spring end are all against on the plastic closure of described dynamic core assembly.
The spacing operation between described plastics end block and upper magnet yoke of described dynamic iron core, and coordinated mechanism to operate with described operation pull bar by tripping spring closing pressure spring.
Described dynamic iron core upper end is provided with the dust-proof convex edge of air gap, can effectively prevent tiny bits foam from falling into the fit clearance of described dynamic iron core and lower yoke.
Described bottom plastics end block is embedded in photoelectricity correlation type sensing element, photoelectric cell forms mechanism position and speed optoelectronic induction information by the light source shield hole of the plastic closure tongue piece of described dynamic core assembly, and photo-sensor signal line is drawn by the groove between described metal fixation clip and described lower end plastics end block.
Described magnetic sleeve adopts Cr system structural alloy steel to constitute.
Adopting a kind of single-phase magnetic provided by the invention to keep, operating mechanism brings has the beneficial effect that employing Cr system structural alloy steel does magnetic sleeve, material and low cost of manufacture.Coil trigger current is less than 10A, and magnetic retentivity long-term stability is undamped.Monostable magnetic keeps frame for movement, and component part is few, and action consistency is good.The dynamic spacing operation of core ends also arranges dustproof construction, avoids the friction bite of mechanism's operational movement completely.Photosignal transmission mechanism position and speed of action information.Frequent operation number of times is easily reached more than 300,000 times, it is achieved the highly reliable operation of operating mechanism and intelligent monitoring.
Accompanying drawing explanation
Fig. 1 is that the outer of the present invention looks graphics.
Fig. 2 is the open position sectional view of the present invention.
Fig. 3 is the closing position sectional view of the present invention.
Fig. 4 is the photoelectric sensor position top view of the present invention.
Fig. 5 is the photoelectric sensor position tomograph of the present invention.
Detailed description of the invention
nullAs shown in Figure 1 to Figure 3,The present invention provides a kind of single-phase magnetic to keep operating mechanism,Including upper magnet yoke 10,Lower yoke 8,Magnetic sleeve 1,Dynamic core assembly 2,Bottom plastics end block 4 and metal fixation clip 3,Described upper magnet yoke 10、In the middle of lower yoke 8 and described magnetic sleeve 1, coil 7 is set,Described dynamic core assembly 2 includes dynamic iron core 21 and the plastic closure 22 of lower thread installation thereof,Through operation pull bar 12 in the middle of described dynamic iron core 21、Tripping spring 16 and closing pressure spring 15,Described bottom plastics end block 4 embeds photo electric sensitive element 13,Photo electric sensitive element holding wire is drawn by the groove between described metal fixation clip 3 and described lower end plastics end block 4,Described metal fixation clip 3 is fixed and clamped to mounting plane by bolt 11,A kind of single-phase magnetic provided by the invention keeps operating mechanism component part few,Easy to assembly,Action consistency is good.
As shown in Figure 1 to Figure 3, described dynamic iron core 21 is completely sealed in the cavity of mechanism part composition, running environment is closed, do not affected by extraneous dust, described dynamic iron core 21 upper end is provided with the dust-proof convex edge of air gap, can effectively prevent tiny bits foam from falling into the fit clearance of described dynamic iron core and lower yoke, the spacing operation between described upper magnet yoke 10 and described bottom plastics end block 4 of described dynamic iron core 21, the motion of described dynamic iron core 21 completely avoid the situation of friction bite, and number of operations can be easily reached more than 300,000 times.
As it is shown on figure 3, when upper magnet yoke 10 is arrived in described dynamic iron core 21 upper end, described upper magnet yoke 10, lower yoke 8, magnetic sleeve 1 and dynamic iron core 21 form the closed magnetic path of minimum reluctance, and the magnetic field intensity in magnetic sleeve will be kept.
As shown in Figure 2 and Figure 3, described tripping spring 16 upper end is against upper magnet yoke 10, described closing pressure spring 15 upper end is against operation pull bar 12 positive stop end, described tripping spring 16 and closing pressure spring 15 lower end are all against on the plastic closure 22 of described dynamic core assembly 2, described operation pull bar 12 lower end is furnished with tight lock stop nut 14, and described operation pull bar 12 has coordinated switch breaking-closing operating by tripping spring 16, closing pressure spring 15.
As shown in Figures 2 to 5, described bottom plastics end block 4 is embedded in optoelectronic position sensing element 13, and described photoelectric cell 13 is by blocking tongue piece and the sensing formation mechanism position of aperture above thereof and speed optoelectronic induction signal on plastic closure 22.
As shown in Figure 1 to Figure 3, described magnetic sleeve adopts the Cr system structural alloy steel of semi-hard magnet characteristic to constitute, mechanism's low cost of manufacture.
Operation principle:
Making process: shown in Fig. 2, mechanism is in open position, mechanism tripping spring 16 act under maintained switch at open position, ON-OFF control circuit connects storage capacitor loop after receiving combined floodgate order, forward injects coil 7 electric current, electric field force drives dynamic core assembly 2 to move upward, tripping spring 16 is that separating brake is prepared by compressed energy-storage, closing pressure spring 15 is compressed and drives pull bar 12 to move upward, dynamic iron core 21 diminishes with upper magnet yoke 10 distance, magnetic circuit reluctance diminishes, magnetic sleeve 1 is magnetized by electric field, final dynamic iron core 21 and upper magnet yoke 10, lower yoke 8, magnetic sleeve 1 Guan Bi forms minimum reluctance closed magnetic path, magnetic sleeve 1 magnetic field force is kept and provides enough gmatjpdumamicss, switch is maintained at closing position, control circuit disconnects energy storage trigger circuit, feed motion process completes.
Separating brake process: shown in Fig. 3, mechanism is in closing position, dynamic iron core 21 and upper magnet yoke 10, lower yoke 8, magnetic sleeve 1 Guan Bi forms minimum reluctance closed magnetic path, magnetic sleeve 1 magnetic field force is kept and provides enough gmatjpdumamicss, switch is maintained at closing position, ON-OFF control circuit connects storage capacitor loop after receiving separating brake order, inverse injection coil 7 electric current, electric field force keeps magnetic field force contrary with closing a floodgate, magnetic sleeve 1 is unmagnetized, dynamic iron core 21 moves downward under electric field force and tripping spring combined effect, pull bar 12 is driven by the passive core assembly 2 of limiting locking nut 14 and moves downward, dynamic iron core 21 lower end is contacting with plastics end block 4 and limited stopping, control circuit disconnects energy storage trigger circuit, separating brake course of action completes, mechanism tripping spring 16 act under maintained switch at open position.
Mechanism action rate signal transmittance process: as shown in Figures 2 to 5, plastic closure 22 is provided with tongue piece, tongue piece is provided with loophole, in mechanism's divide-shut brake process, plastic closure 22 moves up and down, photoelectric sensor light can be penetrated sensed position and be formed and block or pass through by tongue piece, and the feedback of not position signalling in the same time is realized by mechanism speed information by photoelectric sensor.
Claims (7)
1. a single-phase magnetic keeps operating mechanism, including upper lower yoke, magnetic sleeve, dynamic core assembly, bottom plastics end block and metal fixation clip, it is characterized in that arranging coil in the middle of described upper lower yoke and described sleeve, described dynamic core assembly includes dynamic iron core and the plastic closure of lower thread installation thereof, through operation pull bar, tripping spring and closing pressure spring in the middle of described dynamic iron core.
2. a kind of single-phase magnetic as described in right 1 keeps operating mechanism, it is characterised in that described dynamic iron core is completely sealed in mechanism's cavity;When described dynamic core assembly arrives at upper magnet yoke, the closed magnetic path that described upper lower yoke, magnetosheath pipe and dynamic iron core composition magnetic resistance are minimum.
3. a kind of single-phase magnetic as described in right 1,2 keeps operating mechanism, it is characterized in that described tripping spring upper end is against upper magnet yoke, described closing pressure spring upper end is against operation pull bar positive stop end, and described tripping spring and closing pressure lower spring end are all against on the plastic closure of described dynamic core assembly.
4. a kind of single-phase magnetic as described in right 1,2,3 keeps operating mechanism, it is characterised in that the spacing operation between described plastics end block and upper magnet yoke of described dynamic iron core, and has coordinated mechanism to operate with described operation pull bar by tripping spring closing pressure spring.
5. a kind of single-phase magnetic as described in right 1 keeps operating mechanism, it is characterised in that described dynamic iron core upper end is provided with the dust-proof convex edge of air gap, can effectively prevent tiny bits foam from falling into the fit clearance of described dynamic iron core and lower yoke.
6. right 1,2,3,4, as described in a kind of single-phase magnetic keep operating mechanism, described bottom plastics end block is embedded in optoelectronic position sensing element, photoelectric cell forms mechanism position and speed optoelectronic induction information by the light source shield hole of the plastic closure tongue piece of described dynamic core assembly, and photo-sensor signal line is drawn by the groove between described metal fixation clip and described lower end plastics end block.
7. a kind of single-phase magnetic as described in right 1,2 keeps operating mechanism, it is characterised in that described magnetic sleeve adopts the Cr system structural alloy steel of semi-hard magnet characteristic to constitute.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610249232.XA CN105742085A (en) | 2016-04-21 | 2016-04-21 | Single-phase magnetic latching operating mechanism |
CN201621028347.8U CN206134524U (en) | 2016-04-21 | 2016-08-31 | Single -phase magnetism keep operation mechanism |
CN201610792607.7A CN106206105A (en) | 2016-04-21 | 2016-08-31 | Single-phase magnetic keeps operating mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610249232.XA CN105742085A (en) | 2016-04-21 | 2016-04-21 | Single-phase magnetic latching operating mechanism |
Publications (1)
Publication Number | Publication Date |
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CN105742085A true CN105742085A (en) | 2016-07-06 |
Family
ID=56255038
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610249232.XA Pending CN105742085A (en) | 2016-04-21 | 2016-04-21 | Single-phase magnetic latching operating mechanism |
CN201621028347.8U Expired - Fee Related CN206134524U (en) | 2016-04-21 | 2016-08-31 | Single -phase magnetism keep operation mechanism |
CN201610792607.7A Pending CN106206105A (en) | 2016-04-21 | 2016-08-31 | Single-phase magnetic keeps operating mechanism |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621028347.8U Expired - Fee Related CN206134524U (en) | 2016-04-21 | 2016-08-31 | Single -phase magnetism keep operation mechanism |
CN201610792607.7A Pending CN106206105A (en) | 2016-04-21 | 2016-08-31 | Single-phase magnetic keeps operating mechanism |
Country Status (1)
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CN (3) | CN105742085A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108514390A (en) * | 2018-03-23 | 2018-09-11 | 宁波市沃瑞斯机械科技有限公司 | A kind of workshop iron filings remove device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105742085A (en) * | 2016-04-21 | 2016-07-06 | 镇江世晟电气有限公司 | Single-phase magnetic latching operating mechanism |
EP3825496A1 (en) * | 2019-11-20 | 2021-05-26 | iLOQ Oy | Electromechanical lock and method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3525963A (en) * | 1968-07-25 | 1970-08-25 | English Electric Co Ltd | Electro-magnetic actuator with armature assembly slidable between two limit positions |
CN2831409Y (en) * | 2005-05-26 | 2006-10-25 | 张军 | Permanent-magnet actuating gear of vacuum circuit breaker |
WO2008133972A1 (en) * | 2007-04-25 | 2008-11-06 | Saia-Burgess Inc. | Adjustable mid air gap magnetic latching solenoid |
CN101221864B (en) * | 2008-01-28 | 2011-10-05 | 中国电力科学研究院 | Control mechanism of breaker |
CN101615524B (en) * | 2009-07-22 | 2012-05-30 | 南京因泰莱配电自动化设备有限公司 | Single phase permanent magnetic mechanism for vacuum circuit breaker |
CN105742085A (en) * | 2016-04-21 | 2016-07-06 | 镇江世晟电气有限公司 | Single-phase magnetic latching operating mechanism |
-
2016
- 2016-04-21 CN CN201610249232.XA patent/CN105742085A/en active Pending
- 2016-08-31 CN CN201621028347.8U patent/CN206134524U/en not_active Expired - Fee Related
- 2016-08-31 CN CN201610792607.7A patent/CN106206105A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108514390A (en) * | 2018-03-23 | 2018-09-11 | 宁波市沃瑞斯机械科技有限公司 | A kind of workshop iron filings remove device |
Also Published As
Publication number | Publication date |
---|---|
CN206134524U (en) | 2017-04-26 |
CN106206105A (en) | 2016-12-07 |
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Application publication date: 20160706 |