CN206250113U - A kind of flexible DC power transmission fixed sealing type fast vacuum contactor - Google Patents
A kind of flexible DC power transmission fixed sealing type fast vacuum contactor Download PDFInfo
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- CN206250113U CN206250113U CN201621373460.XU CN201621373460U CN206250113U CN 206250113 U CN206250113 U CN 206250113U CN 201621373460 U CN201621373460 U CN 201621373460U CN 206250113 U CN206250113 U CN 206250113U
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- power transmission
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- contactor
- fixed sealing
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Abstract
A kind of flexible DC power transmission fixed sealing type fast vacuum contactor that the utility model is provided, by permanent magnet mechanism upward power is provided to the double threaded screw in operating mechanism, so that double threaded screw drives moving conductive rod to move upwardly together by insulator, moving conductive rod drives moving contact to move upwards, and then moving contact is contacted with static contact, complete feed motion;Manually adjust divide-shut brake indicating arm so that connecting lever drives double threaded screw to move downward, and then moving contact is separated with static contact, complete separating brake action.The utility model employs all insulation, integral full-closed formula structure due to main conductive circuit.Actuating loop is enclosed in contactor framework, and in addition to a secondary wiring terminals, remaining component nothing exposes, overall appearance, d grades of anti-pollution grade.The utility model structural volume is small, operating current big (can be to 2000A), insulating properties high, closing speed fast (≤3.5ms), dependable performance, fully meets the requirement of rate of doing work module bypass contactor in flexible direct current power transmission system.
Description
Technical field
The utility model is related to vacuum contactor field, and specifically a kind of flexible DC power transmission fixed sealing type fast vacuum connects
Tentaculum.
Background technology
Flexible direct current power transmission system is the DC power transmission system of new generation based on voltage source converter and pulse modulation technology
System (English abbreviation:VSC-HVDC), its advantage it is main island with power, active power and Reactive Power Control, long distance powedr transmission,
The aspects such as new energy is dissolved, cost control.Existing many companies of the country are devoted to the exploitation and construction of flexible DC power transmission engineering.
Power model needs adapted rapid contactless in the system, and connection main circuit can be quickly bypassed in major loop failure, realizes power supply
Continuity.Fast vacuum tentaculum requires small volume, current-carrying capacity is big, insulating properties are high, closing speed is fast, dependable performance.At present
Rapid contactless product in DC transmission system, volume is larger, and insulating properties are not high, and mostly unenclosed construction, long-term band
Very capacity produces laying dust after electricity operation, is that the safe operation of power system leaves hidden danger.
The content of the invention
The purpose of this utility model is to provide a kind of flexible DC power transmission fixed sealing type fast vacuum contactor, solves existing
Have that the rapid contactless small product size in DC transmission system is larger, insulating properties are not high, and the mostly defect such as unenclosed construction.
In order to achieve the above object, the technical solution adopted in the utility model is specific as follows:
A kind of flexible DC power transmission fixed sealing type fast vacuum contactor that the utility model is provided, including leading electricity is returned
Road, the main conductive circuit is connected with operating mechanism, and the operating mechanism is connected with permanent magnet mechanism;Wherein:
The main conductive circuit includes the pole being made of epoxy material, be provided with the pole it is quiet go out
Line seat, the quiet wire outlet seat is connected with the static conductive rod of the vacuum interrupter being provided with below, and the dynamic of the vacuum interrupter is led
Dynamic wire outlet seat is connected with electric pole, insulator is provided with below the dynamic wire outlet seat, the insulator is arranged on leading electricity and returns
Between road and operating mechanism, and it is connected with moving conductive rod;
The operating mechanism includes contactor framework, is provided with double threaded screw in the framework, the double threaded screw it is upper
End is connected with the lower end of insulator, and middle part is provided with connecting lever, and one end of the connecting lever is connected with bent plate, and the other end is connected with division
Lock is indicated;Lower end is connected with permanent magnet mechanism.
Preferably, the quiet wire outlet seat, vacuum interrupter and dynamic wire outlet seat are cast on pole, the sealing pole
The lower end of post offers the first cavity, and the upper end of the insulator is placed in the first cavity.
Preferably, fixed by the first trip bolt between the static conductive rod on the quiet wire outlet seat and vacuum interrupter and connected
Connect;Used between moving conductive rod on the dynamic wire outlet seat and vacuum interrupter and be slidably connected, and be provided with dynamic wire outlet seat recessed
Groove, spring touch finger is provided with the groove.
Preferably, T-shaped inner chamber is offered in the insulator, the big end of the T-shaped inner chamber is provided with cover plate, on the cover plate
External screw thread is offered, to hold the internal thread rotatable engagement opened up on inner chamber with big;Its small end is equiped with touch spring.
Preferably, the insulator is connected with moving conductive rod by attachment screw, and the attachment screw is inverted " t " type knot
Structure, its upper end is external thread rod, and middle part is provided with the first outer six fang platform ranks, and lower end is cylindrical end;Wherein, the attachment screw upper end
Six side's location holes are connected with moving conductive rod on through cover plate;The inner chamber small end that lower end is placed on the insulator;Middle part
First outer six fang platform ranks are engaged with the interior six sides location hole on cover plate.
Preferably, the upper end of the double threaded screw is provided with anti-silk screw thread, and lower end is provided with positive silk screw thread, and middle part is provided with band groove
The second outer six fang platform ranks, wherein, the anti-silk end of thread is fixedly connected on the built-in anti-silk screw that insulator lower end sets, positive silk spiral shell
Line end is connected with permanent magnet mechanism, and the connecting lever is with gap through the groove on the outer six fang platform ranks in middle part second.
Preferably, the positive silk end of thread of the double threaded screw sequentially pass through be provided with permanent magnet mechanism every magnetic aluminium sheet, quiet iron
Core, tripping spring, are finally fixedly connected in the dynamic iron core of permanent magnet mechanism, so as to realize permanent magnet mechanism dynamic iron core and vacuum extinction
The linkage of the moving conductive rod on room.
Preferably, the bent plate is fixed on the madial wall of the framework, and is connected by axle with connecting lever.
Preferably, L-type connecting plate is additionally provided with the contactor framework, one end of the L-type connecting plate is connected with insulator, separately
One end is connected with the auxiliary switch being provided with permanent magnet mechanism.
Preferably, it is additionally provided with shrouding on the contactor framework so that operating mechanism constitutes a totally enclosed type knot
Structure.
Compared with prior art, the beneficial effects of the utility model are:
The utility model provide a kind of flexible DC power transmission fixed sealing type fast vacuum contactor, by permanent magnet mechanism to
Double threaded screw in operating mechanism provides upward power so that double threaded screw drives moving conductive rod upward together by insulator
Motion, moving conductive rod drives moving contact to move upwards, and then moving contact is contacted with static contact, completes feed motion;By hand
Dynamic operation connecting lever so that connecting lever drives double threaded screw to move downward, and then makes moving contact be separated with static contact, completes separating brake and moves
Make.The utility model main conductive circuit employs all insulation, integral full-closed formula structure, and actuating loop is enclosed in contactor framework
Interior, in addition to a secondary wiring terminals, remaining component nothing exposes, overall appearance, d grades of anti-pollution grade.The utility model knot
Structure small volume, operating current big (can be to 2000A), insulating properties high, closing speed fast (≤3.5ms), dependable performance, it is completely full
The requirement of rate of doing work module bypass contactor in sufficient flexible direct current power transmission system.
Further, the quiet wire outlet seat, vacuum interrupter, dynamic wire outlet seat, spring touch finger etc. are organically combined as one solid
Integrated pole is sealed, electric property is not affected by the external environment, be effectively improved the insulating properties of product.
Further, movable end of vacuum arc extinguishing chamber is using being slidably connected, and contact resistance is small, and the space that moved end connection needs is small,
It is particularly suitable for the requirement electric current contactor product of small volume greatly.
Further, double threaded screw sets positive and negative silk screw thread, rotates double threaded screw, when now positive silk screw thread takes a round, anti-silk
Screw thread reversely takes a round, and realizes double excess of stroke regulated quantity.
Brief description of the drawings
Fig. 1 is the utility model front view;
Fig. 2 is that the utility model is right regards partial sectional view;
Fig. 3 is the utility model main view partial sectional view;
Fig. 4 is the utility model main view A-A to sectional view (contactor separating brake).
Fig. 5 is the utility model main view A-A to sectional view (contactor combined floodgate).
Wherein:1- contactors framework, 2- poles, 3- move wire outlet seat, 4- grooves, 5- spring touch fingers, 6- vacuum extinctions
Room, the quiet wire outlet seats of 7-, 8- vacuum interrupters moving conductive rod, 9- attachment screws, the outer six fang platform ranks of 10- attachment screws, 11- cover plates,
The built-in anti-silk screw of 12- insulators internal thread, 13- touch springs, 14- insulators, 15- insulators, 16- double threaded screws, 17-L
Type connecting plate, 18- divide every magnetic aluminium sheet, 19- static iron cores, 20- magnetic cylinder, 21- closing coils, 22- auxiliary switches, 23- dynamic iron cores, 24-
Lock spring, 25- permanent magnets, 26- connecting levers, 27- bent plates, 28- power packs, 29- capacitor boxes, 30- divide-shut brakes are indicated, 31- permanent magnetic motors
Structure, 32- shroudings.
Specific embodiment
The utility model is described in more detail below in conjunction with the accompanying drawings.
A kind of flexible DC power transmission fixed sealing type fast vacuum contactor that the utility model is provided, including leading electricity is returned
Road, the main conductive circuit is connected with actuating loop, and the actuating loop is connected with permanent magnet mechanism.Wherein, the leading electricity is returned
Insulator 14 is provided between road and operating mechanism, and is fastenedly connected by attachment screw, the actuating loop and permanent magnet mechanism it
Between be provided with dowel screw 16 realize connection.
The main conductive circuit includes pole 2 and is cast in the quiet wire outlet seat 7, vacuum of the upper end of pole 2 going out
Arc chamber 6 and the grade conductive component of dynamic wire outlet seat 3, and pole 2 uses epoxy material.
Wherein, quiet wire outlet seat 7 be arranged on vacuum interrupter 6 static side face top, and with vacuum interrupter 6 on quiet conduction
Connected by the first trip bolt between bar;Dynamic wire outlet seat 3 is arranged on the moved end lower section of vacuum interrupter 6, with vacuum interrupter 6
On moving conductive rod 8 between using being slidably connected, set fluted 4 on dynamic wire outlet seat 3, groove 4 is arranged on dynamic wire outlet seat 3 and dynamic
The junction of conducting rod 8.The groove 4 built with spring touch finger 5, by contact, the contact resistance of adjusting spring touch finger 5
Ensure effective connection of moving conductive rod 8 and dynamic wire outlet seat 3 with heat endurance.
The lower end of pole 2 offers the first cavity, and the upper end of the insulator 14 is placed in the first cavity, and is gone out with vacuum
Connected by attachment screw 9 between moving conductive rod 8 on arc chamber 6.
The second cavity is offered on insulator 14, second cavity is T-type structure, is offered at the big end of the second cavity
Touch spring 13 is installed in internal thread 12, and its small end.Cover plate 11, the outer of cover plate 11 are installed at the big end of the second cavity
Be provided with external screw thread, to insulator 14 on the rotatable engagement of internal thread 12.Touch spring 13 is pressed into by insulation by cover plate 11
In the second cavity on son 14 so that touch spring 13 is that vacuum interrupter 6 provides the pressure for being maintained at closing position;Meanwhile,
The center of cover plate 11 offers interior six sides location hole.
The attachment screw 9 is inverted " t " type structure, and its upper end is external thread rod, and middle part is provided with the first outer six fang platform ranks 10,
Lower end is cylinder end face.The upper end of the attachment screw 9 passes through the interior six sides location hole on cover plate 11, on vacuum interrupter 6
Moving conductive rod 8 is connected;Lower end is extend into the second cavity on insulator 14, by the way that rotation cover 11 is by attachment screw 9 and touches
In the head pressure cavity of people second of spring 13.Again rotating insulated sub 14, by the spacing of the interior hexagonal hole at the center of cover plate 11, spiral shell will be connected
Nail 9 is pressed on the moved end face of vacuum interrupter 6.
The operating mechanism includes framework 1, and the framework 1 is provided with the 3rd cavity, and the lower end of the insulator 14 is placed in the
In three cavitys.Meanwhile, the lower end of the insulator 14 is connected with double threaded screw 16.
The upper end of the double threaded screw 16 is provided with anti-silk screw thread, and lower end is provided with positive silk screw thread, and middle part is provided with groove second
Outer six fang platforms rank.The anti-silk end of thread of double threaded screw 16 is fixedly connected on the built-in anti-silk screw 15 that the lower end of insulator 14 sets,
The positive silk end of thread is connected with permanent magnet mechanism 31.
Connecting lever 26 is provided with groove on the outer six fang platform ranks in the middle part of double threaded screw 16, the splaying of the connecting lever 26 1 passes through double
Groove on the outer six fang platform ranks in the middle part of head screw rod 16, passes through between the other end and the bent plate 27 being fixed on the madial wall of framework 1
Axle is connected.The connecting lever 26 is connected with divide-shut brake and indicates 30, and the divide-shut brake indicates 30 to be arranged on the side wall of framework 1.
The positive silk end of thread of the double threaded screw sequentially pass through with gap in permanent magnet mechanism every magnetic aluminium sheet 18, static iron core
19th, tripping spring 24, are finally fixedly connected in the dynamic iron core 23 of permanent magnet mechanism, so as to realize permanent magnet mechanism dynamic iron core 23 with it is true
The linkage of the moving conductive rod 8 of empty arc-chutes 6.
Shrouding 32 is housed on contactor framework 1, the enclosed construction of operating mechanism is realized, the power pack in permanent magnet mechanism
28th, capacitor box 29 uses full-enclosed structure.And then realize the full-enclosed structure of whole contactor.
During specific works:
When reclosing command is connected to, power supply is provided from power pack 28 to capacitor box 29 so that the electric capacity pair in capacitor box 29
Closing coil 21 in permanent magnet mechanism discharges, closing coil 21 so that produce magnetic field force, overcome permanent magnet mechanism tripping spring 24
Counter-force so that dynamic iron core 23 in permanent magnet mechanism is quick to the adhesive of static iron core 19, and now, dynamic iron core 23 passes through double threaded screw
16th, the power conduction of insulator 14, attachment screw 9, drives the moving conductive rod 8 of vacuum interrupter 6 to move upwards, realizes vacuum and goes out
The moved end of arc chamber 6 is towards static side face rapid closing, while being always held at vacuum interrupter 6 by the permanent magnetic of permanent magnet 25
"on" position, and whole closing time≤3.5ms.
Separating brake is manual brake separating, using lever principle, by operating connecting lever 26 so that connecting lever 26 drive double threaded screw 16 to
Lower motion, then add the elastic force of tripping spring 24 to overcome the magnetic field force of permanent magnet 25 jointly, realize moved on vacuum interrupter 6,
The separation of static contact.The L-type connecting plate 17 connected by the lower end of insulator 14 drives the auxiliary switch 22 in permanent magnet mechanism to realize interlocking,
The electrical action signal of contactor can be provided outside.
Utility model the utility model has advantages below:
1st, main conductive circuit is all insulation structure, quiet wire outlet seat 7, vacuum interrupter 6, dynamic wire outlet seat 3, spring touch finger 5 etc.
It is an integrated pole of sealing to organically combine, and electric property is free from the influence of the external environment, and the insulating properties of product are high.
2nd, using integral full-closed formula structure, in addition to a secondary wiring terminals, remaining component nothing exposes, integrated beauty
See, anti-pollution ability is strong.
3rd, main switch uses Special vacuum arc-chutes, with excellent insulating property, long lifespan, safe and reliable, small volume etc.
Advantage.
4th, movable end of vacuum arc extinguishing chamber is using being slidably connected, and the resistance of motion is small, and the space that moved end connection needs is small, is particularly suitable for
High current product, can effectively reduce the volume of product.
5th, it is easy to adjust using double excess of stroke regulated quantity on the double threaded screw with positive and negative silk screw thread, is capable of achieving, work effect
Rate is high.
The original creation of the utility model structure, small volume, operating current big (can be to 2000A), insulating properties are high, closing speed is fast
(≤3.5ms), anti-pollution ability are strong, dependable performance, and rate of doing work module is connect with bypass in fully meeting flexible direct current power transmission system
The requirement of tentaculum.
Claims (10)
1. a kind of flexible DC power transmission fixed sealing type fast vacuum contactor, it is characterised in that:Including main conductive circuit, the master
Galvanic circle is connected with operating mechanism, and the operating mechanism is connected with permanent magnet mechanism;Wherein:
The main conductive circuit includes the pole (2) being made of epoxy material, is provided with the pole (2) quiet
Wire outlet seat (7), the quiet wire outlet seat (7) is connected with the static conductive rod of the vacuum interrupter (6) being provided with below, and the vacuum is gone out
Dynamic wire outlet seat (3) is connected with the moving conductive rod (8) of arc chamber (6), insulator is provided with below the dynamic wire outlet seat (3)
(14), the insulator (14) is arranged between main conductive circuit and operating mechanism, and it is connected with moving conductive rod (8);
The operating mechanism includes being provided with double threaded screw (16), the double end spiral shell in contactor framework (1), the framework (1)
The upper end of bar (16) is connected with the lower end of insulator (14), and middle part is provided with connecting lever (26), one end connection of the connecting lever (26)
There is bent plate (27), the other end is connected with divide-shut brake and indicates (30);Lower end is connected with permanent magnet mechanism (31).
2. a kind of flexible DC power transmission according to claim 1 fixed sealing type fast vacuum contactor, it is characterised in that:Institute
State quiet wire outlet seat (7), vacuum interrupter (6) and dynamic wire outlet seat (3) to be cast on pole (2), the pole (2)
Lower end offer the first cavity, the upper end of the insulator (14) is placed in the first cavity.
3. a kind of flexible DC power transmission according to claim 1 fixed sealing type fast vacuum contactor, it is characterised in that:Institute
State and be fixedly connected by the first trip bolt between quiet wire outlet seat (7) and the static conductive rod on vacuum interrupter (6);It is described to move out
Set fluted (4) on line seat (3), spring touch finger (5) is provided with the groove (4), dynamic outlet is realized by spring touch finger (5)
Moving conductive rod (8) on seat (3) and vacuum interrupter (6) are slidably connected.
4. a kind of flexible DC power transmission according to claim 1 fixed sealing type fast vacuum contactor, it is characterised in that:Institute
State in insulator (14) and offer T-shaped inner chamber, the big end in the T-shaped inner chamber is provided with cover plate (11), is opened on the cover plate (11)
External screw thread is provided with, to hold internal thread (12) rotatable engagement opened up on inner chamber with big;Its small end is equiped with touch spring (13).
5. a kind of flexible DC power transmission according to claim 4 fixed sealing type fast vacuum contactor, it is characterised in that:Institute
State insulator (14) to be connected by attachment screw (9) with moving conductive rod (8), the attachment screw (9) is inverted " t " type structure, its
Upper end is external thread rod, and middle part is provided with the first outer six fang platform ranks (10), and lower end is cylindrical end;Wherein, on the attachment screw (9)
End is connected through the interior six sides location hole on cover plate (11) with moving conductive rod (8);Lower end is placed in interior on the insulator (14)
Chamber small end;The outer six fang platform ranks (10) of the first of middle part are engaged with the interior six sides location hole on cover plate (11).
6. a kind of flexible DC power transmission according to claim 1 fixed sealing type fast vacuum contactor, it is characterised in that:Institute
The upper end for stating double threaded screw (16) is provided with anti-silk screw thread, and lower end is provided with positive silk screw thread, and middle part is provided with the with groove second outer six sides
Step, wherein, the anti-silk end of thread is fixedly connected on the built-in anti-silk screw (15) that insulator (14) lower end sets, the positive silk end of thread
It is connected with permanent magnet mechanism (31), the connecting lever (26) is with gap through the groove on the outer six fang platform ranks in middle part second.
7. a kind of flexible DC power transmission according to claim 6 fixed sealing type fast vacuum contactor, it is characterised in that:Institute
State double threaded screw (16) the positive silk end of thread sequentially pass through be provided with permanent magnet mechanism every magnetic aluminium sheet (18), static iron core (19), point
Lock spring (24), is finally fixedly connected in the dynamic iron core of permanent magnet mechanism (23), so as to realize permanent magnet mechanism dynamic iron core (23) with
The linkage of the moving conductive rod (8) on vacuum interrupter (6).
8. a kind of flexible DC power transmission according to claim 1 fixed sealing type fast vacuum contactor, it is characterised in that:Institute
State bent plate (27) to be fixed on the madial wall of the framework (1), and be connected by axle with connecting lever (26).
9. a kind of flexible DC power transmission according to claim 1 fixed sealing type fast vacuum contactor, it is characterised in that:Institute
State in contactor framework (1) and be additionally provided with L-type connecting plate (17), one end of the L-type connecting plate (17) is connected with insulator (14), another
End is connected with the auxiliary switch (22) being provided with permanent magnet mechanism.
10. a kind of flexible DC power transmission according to claim 1 fixed sealing type fast vacuum contactor, it is characterised in that:
Shrouding (32) is additionally provided with the contactor framework (1) so that operating mechanism constitutes a full-enclosed structure.
Priority Applications (1)
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CN201621373460.XU CN206250113U (en) | 2016-12-14 | 2016-12-14 | A kind of flexible DC power transmission fixed sealing type fast vacuum contactor |
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CN201621373460.XU CN206250113U (en) | 2016-12-14 | 2016-12-14 | A kind of flexible DC power transmission fixed sealing type fast vacuum contactor |
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CN201621373460.XU Active CN206250113U (en) | 2016-12-14 | 2016-12-14 | A kind of flexible DC power transmission fixed sealing type fast vacuum contactor |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108231473A (en) * | 2017-12-21 | 2018-06-29 | 安徽宇腾真空电气有限责任公司 | Single-phase bypass vacuum contactor |
CN108321004A (en) * | 2018-02-27 | 2018-07-24 | 北京京东方真空电器有限责任公司 | A kind of pole |
CN110739164A (en) * | 2019-11-20 | 2020-01-31 | 嘉润电气科技有限公司 | pure pneumatic contactor |
CN113130251A (en) * | 2021-04-20 | 2021-07-16 | 安徽一天电气技术股份有限公司 | Pulse type contactor |
-
2016
- 2016-12-14 CN CN201621373460.XU patent/CN206250113U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108231473A (en) * | 2017-12-21 | 2018-06-29 | 安徽宇腾真空电气有限责任公司 | Single-phase bypass vacuum contactor |
CN108321004A (en) * | 2018-02-27 | 2018-07-24 | 北京京东方真空电器有限责任公司 | A kind of pole |
CN108321004B (en) * | 2018-02-27 | 2024-04-30 | 北京京东方真空电器有限责任公司 | Pole post |
CN110739164A (en) * | 2019-11-20 | 2020-01-31 | 嘉润电气科技有限公司 | pure pneumatic contactor |
CN110739164B (en) * | 2019-11-20 | 2024-06-11 | 嘉润电气科技有限公司 | Purely pneumatic contactor |
CN113130251A (en) * | 2021-04-20 | 2021-07-16 | 安徽一天电气技术股份有限公司 | Pulse type contactor |
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Address after: No. 7, Tang Xing Road, Xi'an high tech Zone, Shaanxi Province Patentee after: China Xidian Group Limited Address before: No. 7, Tang Xing Road, Xi'an high tech Zone, Shaanxi Province Patentee before: Xian Electric Manufacturing Corp. |
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CP01 | Change in the name or title of a patent holder |