CN203644671U - Single-phase permanent-magnetism contactor - Google Patents

Single-phase permanent-magnetism contactor Download PDF

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Publication number
CN203644671U
CN203644671U CN201320760607.0U CN201320760607U CN203644671U CN 203644671 U CN203644671 U CN 203644671U CN 201320760607 U CN201320760607 U CN 201320760607U CN 203644671 U CN203644671 U CN 203644671U
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CN
China
Prior art keywords
permanent
pull bar
conductive plate
end conductive
iron core
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Expired - Lifetime
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CN201320760607.0U
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Chinese (zh)
Inventor
徐庆达
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KUNSHAN RUIPU ELECTRIC CO Ltd
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KUNSHAN RUIPU ELECTRIC CO Ltd
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Abstract

The utility model discloses a single-phase permanent-magnetism contactor comprising an insulating framework, a fixed-end conductive board, a vacuum switch tube, a movable-end conductive board, and an opening and closing operation system, wherein the fixed-end conductive board, the vacuum switch tube, the movable-end conductive board, and the opening and closing operation system are located in the insulating framework. The vacuum switch tube is arranged between the fixed-end conductive board and the movable-end conductive board. A fixed contact on the vacuum switch tube is electrically connected with the fixed-end conductive board while a movable contact on the vacuum switch tube is electrically connected with the movable-end conductive board. The opening and closing operation system comprises a permanent-magnetism driving mechanism and a manual driving mechanism. The movable contact and the fixed contact are closed and opened by the driving of the permanent-magnetism driving mechanism or by driving the permanent-magnetism driving mechanism with the manual driving mechanism. The contactor comprises four opening and closing operation modes including electromagnetic closing and permanent-magnetism attraction, electromagnetic opening and permanent-magnetism attraction, manual closing and permanent-magnetism attraction, and manual opening and permanent-magnetism attraction. The four opening and closing operation modes can be used alternately. The contactor is easy to produce and assemble, prevents debugging, and has low attraction power, a long service life, and a wide application range.

Description

Single-phase permanent contactor
Technical field
The utility model relates to contactor technical field, especially a kind of single-phase permanent contactor.
Background technology
Existing contactor construction is mainly two kinds: (1) electromagnetic contactor: it is to utilize coil current flowing to produce magnetic field, makes contact closure, to reach the object of control load.Circuit can not only be connected and cut off to electromagnetic contactor, but also have the effect of low-voltage release guard, is applicable to frequent operation and far distance controlled.But the adhesive power of electromagnetic contactor is large, and because of always charged when the long-term adhesive, can cause coil shorter useful life; (2) permanent magnet contactor: it is to utilize the two like magnetic poles repel each other of magnetic pole, the principle that there is a natural attraction between the sexes, replaces traditional solenoid actuated mechanism and the micro-power loss contactor of one that forms with permanent mechanism driving mechanism.Compared to transmission contactor, that permanent magnet contactor has is energy-conservation, without not chatter, the advantage such as the life-span is long, anti-electromagnetic interference capability is strong of temperature rise, contact; But meanwhile, permanent magnet contactor also has that volume is large, complex structure, installs, uses and transport the defects such as inconvenient.
Utility model content
In order to overcome above-mentioned defect, the utility model provides a kind of single-phase permanent contactor, and this single-phase permanent contactor is not only simple in structure, easy to assembly; And adhesive power is little, long service life.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of single-phase permanent contactor, comprise Insulating frame, and location is arranged on the quiet end conductive plate in described Insulating frame, vacuum switch tube, moved end conductive plate and on/off switch operating system, described vacuum switch tube is arranged between described quiet end conductive plate and moved end conductive plate, and the fixed contact on described vacuum switch tube and moving contact are corresponding to be respectively electrically connected with described quiet end conductive plate and moved end conductive plate, this on/off switch operating system comprises insulator and permanent mechanism driving mechanism, described permanent mechanism driving mechanism can be driven described moving contact and described fixed contact closure and be separated by described insulator.
As further improvement of the utility model, described vacuum switch tube also includes soft wiring, and described moving contact is electrically connected by described soft wiring and described moved end conductive plate.
As further improvement of the utility model, described insulator comprises insulator body, insulator pull bar, annular catch and spring, wherein, described insulator body is freely arranged on described moved end conductive plate dorsad outside a side of described moving contact, described insulator body towards with the two sides of described moved end conductive plate dorsad on offer between two parties respectively the first groove and the second groove, described insulator pull bar and described vacuum switch tube are coaxially arranged, and one end of described insulator pull bar is fixedly connected with described moving contact, its other end activity wore described moved end conductive plate and was fixedly flush-mounted in described the first groove, another on described insulator pull bar and near the outside of its other end, go back that fixed cover is provided with described annular catch and the described spring that has been slidingly connected, described annular catch is positioned at described moved end conductive plate outside the opposite side of described moving contact, one end elasticity of described spring is resisted against described annular catch, its other end elasticity is resisted against the madial wall of described the first groove.
As further improvement of the utility model, described permanent mechanism driving mechanism comprises cylinder shape yoke, permanent magnet, closing coil, switching winding, moving iron core and iron core pull bar, described cylinder shape yoke and described vacuum switch tube are also coaxially arranged, and also on the axial two ends of described cylinder shape yoke, be fixedly installed upper cover and lower cover, and described cylinder shape yoke, upper cover and lower cover form closed magnetic circuit jointly, described permanent magnet location is flush-mounted in the middle part of described cylinder shape yoke, and respectively between described permanent magnet and described upper cover, and be provided with described closing coil and switching winding between described permanent magnet and described lower cover, separately at described permanent magnet, in the space that closing coil and switching winding surround, be also movably installed with described moving iron core, one end activity of described iron core pull bar wore the middle part of described upper cover and was fixedly connected with the second groove of described insulator body, the other end tight fit of described iron core pull bar wore middle part movable being inserted in the middle part of described lower cover of described moving iron core.
As further improvement of the utility model, in the first groove of described insulator body and the second groove, be fixedly installed respectively nut and inserts, described nut is threaded mutually with the other end of described insulator pull bar, and described inserts is threaded mutually with one end of described iron core pull bar.
As further improvement of the utility model, this on/off switch operating system also includes hand and divides driving mechanism, and described hand divides driving mechanism by driving described permanent mechanism driving mechanism can make described moving contact and described fixed contact closure and separate.
As further improvement of the utility model, described hand divides driving mechanism can drive the relatively described moved end of described iron core pull bar conductive plate to move back and forth back and forth location.
As further improvement of the utility model, described hand divides driving mechanism to comprise that drive block and hand divide bar, described drive block be a side of cuboid and its length direction be articulated with described Insulating frame along perpendicular to described iron core pull rod shaft to a madial wall on, the opposite side of its length direction is free state, one end tight fit of described iron core pull bar wore described drive block and was fixedly connected with the second groove of described insulator body, and described hand divides one end activity of bar to wear described Insulating frame and is removably connected to described drive block.
As further improvement of the utility model, on the upper surface of described drive block length direction opposite side, be also fixedly installed a contiguous block, described hand divides one end detachable interposing of bar to be placed in described contiguous block.
The beneficial effects of the utility model are: by permanent mechanism driving mechanism being set and hand divides driving mechanism, make this contactor there is electromagnetism and close a floodgate and permanent magnetism sticking, electromagnetism separating brake and permanent magnetism sticking, closing by hand and permanent magnetism sticking, manual brake separating and four kinds of on/off switch mode of operations of permanent magnetism sticking, and these four kinds of on/off switch mode of operations can interlacedly be used; Thereby make this contactor not only produce assembling simple, without debugging, and adhesive power is little, long service life, applied widely.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is cross-sectional view of the present utility model (hand divide bar not shown).
By reference to the accompanying drawings, make the following instructions:
1---Insulating frame 2---quiet end conductive plate
3---vacuum switch tube 30---fixed contact
31---moving contact 32---soft wiring
4---moved end conductive plate 5---insulator
50---insulator body 51---insulator pull bar
52---annular catch 53---spring
54---nut 55---inserts
6---permanent mechanism driving mechanism 60---cylinder shape yoke
61---permanent magnet 62---closing coil
63---switching windings 64---move iron core
65---iron core pull bar 66---upper cover
Hand divides driving mechanism to 67---lower covers 7---
Hand divides bar to 70---drive blocks 71---
Embodiment
With reference to the accompanying drawings the embodiment of a kind of single-phase permanent contactor of the present utility model is elaborated.
A kind of single-phase permanent contactor of the present utility model, comprise Insulating frame 1, and location is arranged on the quiet end conductive plate 2 in described Insulating frame 1, vacuum switch tube 3, moved end conductive plate 4 and on/off switch operating system, described vacuum switch tube 3 is arranged between described quiet end conductive plate 2 and moved end conductive plate 4, and the fixed contact 30 on described vacuum switch tube 3 and moving contact 31 are corresponding to be respectively electrically connected with described quiet end conductive plate 2 and moved end conductive plate 4, this on/off switch operating system comprises insulator 5 and permanent mechanism driving mechanism 6, described permanent mechanism driving mechanism 6 can be driven described moving contact 31 and described fixed contact 30 closures and be separated by described insulator 5.
In the present embodiment, described vacuum switch tube 3 also includes soft wiring 32, and described moving contact 31 is electrically connected with described moved end conductive plate 4 by described soft wiring 32.
Described insulator 5 comprises insulator body 50, insulator pull bar 51, annular catch 52 and spring 53, wherein, described insulator body 50 is freely arranged on described moved end conductive plate 4 dorsad outside a side of described moving contact 31, described insulator body 50 towards with the two sides of described moved end conductive plate 4 dorsad on offer between two parties respectively the first groove and the second groove, described insulator pull bar 51 is coaxially arranged with described vacuum switch tube 3, and one end of described insulator pull bar 51 is fixedly connected with described moving contact 21, its other end activity wore described moved end conductive plate 4 and was fixedly flush-mounted in described the first groove, separately on described insulator pull bar 51, the outside of also close its other end is gone back fixed cover and is provided with described annular catch 52 and the described spring 53 that has been slidingly connected, described annular catch 52 is positioned at described moved end conductive plate 4 outside the opposite side of described moving contact 31, one end elasticity of described spring 53 is resisted against described annular catch 52, its other end elasticity is resisted against the madial wall of described the first groove.
Described permanent mechanism driving mechanism 6 comprises cylinder shape yoke 60, permanent magnet 61, closing coil 62, switching winding 63, moving iron core 64 and iron core pull bar 65, described cylinder shape yoke 60 is also coaxially arranged with described vacuum switch tube 3, and also on the axial two ends of described cylinder shape yoke 60, be fixedly installed upper cover 66 and lower cover 67, and described cylinder shape yoke, upper cover and lower cover form closed magnetic circuit jointly, described permanent magnet 61 location are flush-mounted in the middle part of described cylinder shape yoke, and respectively between described permanent magnet 61 and described upper cover 66, and between described permanent magnet 61 and described lower cover 67, be provided with described closing coil 62 and switching winding 63, separately at described permanent magnet 61, in the space that closing coil 62 and switching winding 63 surround, be also movably installed with described moving iron core 64, one end activity of described iron core pull bar 65 wore the middle part of described upper cover 66 and was fixedly connected with the second groove of described insulator body 50, the other end tight fit of described iron core pull bar 65 wore middle part movable being inserted in the middle part of described lower cover 67 of described moving iron core 64.
Preferably, in the first groove of described insulator body 50 and the second groove, be fixedly installed respectively nut 54 and inserts 55, described nut 54 is threaded mutually with the other end of described insulator pull bar 51, and described inserts 55 is threaded mutually with one end of described iron core pull bar 65.
Separately in the present embodiment, this on/off switch operating system also includes hand and divides driving mechanism 7, and described hand divides driving mechanism 7 by driving described permanent mechanism driving mechanism 6 can make described moving contact 31 and described fixed contact 30 closures and separate.
Preferably, described hand divides driving mechanism 7 can drive the relatively described moved end of described iron core pull bar 65 conductive plate 4 to move back and forth back and forth location.
Preferably, described hand divides driving mechanism 7 to comprise that drive block 70 and hand divide bar 71, the side that described drive block 70 is cuboid and its length direction is articulated with described Insulating frame 1 along perpendicular on the axial madial wall of described iron core pull bar 65 by spring bearing, the opposite side of described drive block 70 length directions is free state, one end tight fit of described iron core pull bar 65 wore described drive block 70 and was fixedly connected with the second groove of described insulator body 50, described hand divides one end activity of bar 71 to wear described Insulating frame 1 and is removably connected to described drive block 70.
Preferably, on the upper surface of described drive block 70 length direction opposite sides, be also fixedly installed a contiguous block, described hand divides one end detachable interposing of bar 71 to be placed in described contiguous block.
The utlity model has: electromagnetism closes a floodgate and permanent magnetism sticking, electromagnetism separating brake and permanent magnetism sticking, closing by hand and permanent magnetism sticking, manual brake separating and four kinds of on/off switch mode of operations of permanent magnetism sticking, and these four kinds of on/off switch mode of operations can interlacedly be used.Below only take electromagnetism on/off switch mode of operation and manual opening-closing mode of operation as example:
One, electromagnetism on/off switch mode of operation is applicable to long-range on/off switch manipulation, its control mode is: 1. close a floodgate: described closing coil 62 receives after switching signal (power switch), described closing coil produces the magnetic force with described permanent magnet 61 same magnetic field directions, make described moving iron core 64 drive described iron core pull bar 65 to move to combined floodgate direction, described iron core pull bar promotes described insulator body 50 and moves to combined floodgate direction, described insulator body promotes described spring 53, described spring drives described insulator pull bar 51, and the described moving contact 31 being connected with described insulator pull bar moves to combined floodgate direction, make moving contact 31 and fixed contact 30 closures, connect major loop, switching signal (power switch) power-off simultaneously, the magnetic force that this contactor relies on described permanent magnet to produce closes a floodgate and maintains contactor.
2. separating brake: described switching winding 63 receives after sub-gate signal (separating brake power supply), described switching winding 63 produces the magnetic force with described permanent magnet 61 opposite magnetic fields directions, make described moving iron core 64 drive described iron core pull bar 65 to move to separating brake direction, described iron core pull bar 65 pulls described insulator body 50 to move to separating brake direction, described insulator body pulls described insulator pull bar 51 and the described moving contact 31 that is connected with described insulator pull bar moves to separating brake direction, described moving contact 31 is separated with fixed contact 30, disconnect major loop; Sub-gate signal (separating brake power supply) power-off simultaneously, the magnetic force that this contactor relies on described permanent magnet to produce carries out separating brake to contactor and maintains.
Above-mentioned " switching signal, sub-gate signal " is weak electric signal power supply; Above-mentioned " power switch, separating brake power supply " is forceful electric power electrical source of power.
Two, manual opening-closing mode of operation is applicable to closely on/off switch manipulation, its control mode is: 1. close a floodgate: divide bar 71 to insert in described drive block 70 in described hand, and pull described hand along combined floodgate direction and divide bar, described drive block 70 rotates take spring bearing as round dot, and then drive described iron core pull bar 65 to move to combined floodgate direction, described iron core pull bar promotes described insulator body 50 and moves to combined floodgate direction, described insulator body promotes described spring 53, described spring drives described insulator pull bar 51, and the described moving contact 31 being connected with described insulator pull bar moves to combined floodgate direction, make moving contact 31 and fixed contact 30 closures, connect major loop, then withdraw from described hand and divide bar 71, the magnetic force that this contactor relies on described permanent magnet to produce closes a floodgate and maintains contactor.
2. separating brake: divide bar 71 to insert in described drive block 70 in described hand, and pull described hand along separating brake direction and divide bar, described drive block 70 rotates take spring bearing as round dot, and then drive described iron core pull bar 65 to move to separating brake direction, described iron core pull bar 65 pulls described insulator body 50 to move to separating brake direction, described insulator body pulls described insulator pull bar 51 and the described moving contact 31 that is connected with described insulator pull bar moves to separating brake direction, described moving contact 31 is separated with fixed contact 30, disconnect major loop; Then withdraw from described hand and divide bar 71, the magnetic force that this contactor relies on described permanent magnet to produce carries out separating brake to contactor and maintains.

Claims (9)

1. a single-phase permanent contactor, comprise Insulating frame (1), and location is arranged on the quiet end conductive plate (2) in described Insulating frame (1), vacuum switch tube (3), moved end conductive plate (4) and on/off switch operating system, described vacuum switch tube (3) is arranged between described quiet end conductive plate (2) and moved end conductive plate (4), and the fixed contact (30) on described vacuum switch tube (3) and moving contact (31) are corresponding to be respectively electrically connected with described quiet end conductive plate (2) and moved end conductive plate (4), it is characterized in that: this on/off switch operating system comprises insulator (5) and permanent mechanism driving mechanism (6), described permanent mechanism driving mechanism (6) by described insulator (5) can drive described moving contact (31) and described fixed contact (30) closed with separate.
2. single-phase permanent contactor according to claim 1, is characterized in that: described vacuum switch tube (3) also includes soft wiring (32), and described moving contact (31) is electrically connected by described soft wiring (32) and described moved end conductive plate (4).
3. single-phase permanent contactor according to claim 1, it is characterized in that: described insulator (5) comprises insulator body (50), insulator pull bar (51), annular catch (52) and spring (53), wherein, described insulator body (50) is freely arranged on described moved end conductive plate (4) dorsad outside a side of described moving contact (31), described insulator body (50) towards with the two sides of described moved end conductive plate (4) dorsad on offer between two parties respectively the first groove and the second groove, described insulator pull bar (51) is coaxially arranged with described vacuum switch tube (3), and one end of described insulator pull bar (51) is fixedly connected with described moving contact (21), its other end activity wore described moved end conductive plate (4) and was fixedly flush-mounted in described the first groove, separately upper at described insulator pull bar (51) and go back near the outside of its other end that fixed cover is provided with described annular catch (52) and the described spring (53) that has been slidingly connected, described annular catch (52) is positioned at described moved end conductive plate (4) outside the opposite side of described moving contact (31), one end elasticity of described spring (53) is resisted against described annular catch (52), its other end elasticity is resisted against the madial wall of described the first groove.
4. single-phase permanent contactor according to claim 3, it is characterized in that: described permanent mechanism driving mechanism (6) comprises cylinder shape yoke (60), permanent magnet (61), closing coil (62), switching winding (63), moving iron core (64) and iron core pull bar (65), described cylinder shape yoke (60) is also coaxially arranged with described vacuum switch tube (3), and also on the axial two ends of described cylinder shape yoke (60), be fixedly installed upper cover (66) and lower cover (67), and described cylinder shape yoke, upper cover and lower cover form closed magnetic circuit jointly, described permanent magnet (61) location is flush-mounted in the middle part of described cylinder shape yoke, and respectively between described permanent magnet (61) and described upper cover (66), and between described permanent magnet (61) and described lower cover (67), be provided with described closing coil (62) and switching winding (63), separately in described permanent magnet (61), in the space that closing coil (62) and switching winding (63) surround, be also movably installed with described moving iron core (64), one end activity of described iron core pull bar (65) wore the middle part of described upper cover (66) and was fixedly connected with the second groove of described insulator body (50), middle part activity that the other end tight fit of described iron core pull bar (65) wore described moving iron core (64) are inserted in the middle part of described lower cover (67).
5. single-phase permanent contactor according to claim 4, it is characterized in that: in the first groove of described insulator body (50) and the second groove, be fixedly installed respectively nut (54) and inserts (55), described nut (54) is threaded mutually with the other end of described insulator pull bar (51), and described inserts (55) is threaded mutually with one end of described iron core pull bar (65).
6. single-phase permanent contactor according to claim 4, it is characterized in that: this on/off switch operating system also includes hand and divides driving mechanism (7), described hand divides driving mechanism (7) by driving described permanent mechanism driving mechanism (6) can make described moving contact (31) and described fixed contact (30) closure and separate.
7. single-phase permanent contactor according to claim 6, is characterized in that: described hand divides driving mechanism (7) can drive described iron core pull bar (65) relatively described moved end conductive plate (4) to move back and forth back and forth location.
8. single-phase permanent contactor according to claim 7, it is characterized in that: described hand divides driving mechanism (7) to comprise that drive block (70) and hand divide bar (71), the side that described drive block (70) is cuboid and its length direction is articulated with described Insulating frame (1) along perpendicular on the axial madial wall of described iron core pull bar (65), the opposite side of its length direction is free state, one end tight fit of described iron core pull bar (65) wore described drive block (70) and was fixedly connected with the second groove of described insulator body (50), described hand divides one end activity of bar (71) to wear described Insulating frame (1) and is removably connected to described drive block (70).
9. single-phase permanent contactor according to claim 8, is characterized in that: on the upper surface of described drive block (70) length direction opposite side, be also fixedly installed a contiguous block, described hand divides one end detachable interposing of bar (71) to be placed in described contiguous block.
CN201320760607.0U 2013-11-26 2013-11-26 Single-phase permanent-magnetism contactor Expired - Lifetime CN203644671U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104681356A (en) * 2013-11-26 2015-06-03 昆山瑞普电气有限公司 Single-phase permanent magnetic contactor
CN105097366A (en) * 2015-08-19 2015-11-25 上海金盾消防智能科技有限公司 Mechanically-and-forcedly-connected contactor device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104681356A (en) * 2013-11-26 2015-06-03 昆山瑞普电气有限公司 Single-phase permanent magnetic contactor
CN104681356B (en) * 2013-11-26 2017-07-04 昆山瑞普电气有限公司 Single-phase permanent contactor
CN105097366A (en) * 2015-08-19 2015-11-25 上海金盾消防智能科技有限公司 Mechanically-and-forcedly-connected contactor device
CN105097366B (en) * 2015-08-19 2018-07-20 林新桓 Mechanical forced connects contactor arrangement

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Granted publication date: 20140611

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