CN107768199A - One kind contains fan-shaped permanent-magnet bistable contactor - Google Patents
One kind contains fan-shaped permanent-magnet bistable contactor Download PDFInfo
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- CN107768199A CN107768199A CN201710879515.7A CN201710879515A CN107768199A CN 107768199 A CN107768199 A CN 107768199A CN 201710879515 A CN201710879515 A CN 201710879515A CN 107768199 A CN107768199 A CN 107768199A
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- armature
- permanent magnet
- contactor
- magnet
- permanent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/27—Relays with armature having two stable magnetic states and operated by change from one state to the other
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- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The present invention provides one kind and contains fan-shaped permanent-magnet bistable contactor.Existing contactor has the shortcomings such as response speed is slow, permanent magnetism utilization rate is low, spatial volume is big, confining force is low.The present invention has symmetrical configuration, and assembling is simply；Bistable magnetic is kept, and makes confining force adjustable by changing permanent magnet number；Permanent magnet flux is not present by static iron core or lower yoke short circuit paths, improves permanent magnetism utilization rate, advantageously reduces permanent magnetism height, reduces the overall dimensions of contactor；Permanent magnetism confining force and switching-in spring counter-force cooperate and make that contactor adhesive number of ampere turns is small, and adhesive small power consumption, pickup time is short, fast response time；Armature lower surface is stepped composition major-minor pole-face, on the one hand main polar area is advantageous to reduce adhesive number of ampere turns greatly, shorten pickup time, another aspect consequent pole face with lower yoke contact area is small improves adhesive confining force, ensure the reliable adhesive of contactor, malfunction is avoided the occurrence of, while helps to reduce contact bounce, improves the electric life of contactor.
Description
Technical field
The present invention relates to bistable state Direct Action Type technical field containing permanent magnet contactor, and in particular to one kind contains fan-shaped permanent magnetism bistable
State contactor.
Background technology
Contactor is widely used in photovoltaic generation, new energy, power system, oil, chemical industry, colliery, metallurgy and electrification
The every field such as railway.Vacuum contactor frequently switching on and cut off running current, be generally used for it is remote connect and
In disconnection, 6kV, 380V (660V, 1140V) ac motor of the frequent start-stop of low pressure.Vacuum contactor is mainly by vacuum extinction
Room and operating mechanism composition.Vacuum interrupter has by reliable arc extinguishing when running current and frequent cut-out operating current
Effect, but it has cut-out overload electric current and the function of short circuit current.The function is realized by operating mechanism.In order that
The performance boosts such as the sensitivity of contactor, power consumption, weight, use permanent magnet generally inside contactor.At present, vacuum circuit breaker
In frequently with permanent magnet mechanism as operating mechanism.Main motion parts only have one to permanent magnet mechanism at work, taken off without machinery,
Locker, the source of trouble is few, has the advantages of reliability is higher and service life is long.But existing Direct Action Type containing permanent-magnet bistable connects
Tentaculum, there is the shortcomings such as response speed is slow, permanent magnetism utilization rate is low, spatial volume is big, confining force is low, it is impossible to meet application-specific feelings
Industrial requirement under condition.
The content of the invention
【1】Technical problems to be solved
Solve existing direct-acting contactor containing permanent-magnet bistable the technical problem to be solved in the present invention is to provide one kind to exist
The problems such as response speed is slow, permanent magnetism utilization rate is low, spatial volume is big, confining force is relatively low contains fan-shaped permanent-magnet bistable contactor.
【2】The technical scheme solved the problems, such as
The present invention provides one kind and contains fan-shaped permanent-magnet bistable contactor, including static iron core, coil, shell, permanent magnet, magnetic conduction
Ring, cushion block, lower yoke, armature, switching-in spring, push rod, pad and base；Porose cylinder centered on the static iron core, its
Upper surface is plane, and is bonded with the base lower surface, and its lower surface is the conical surface, is bonded with the upper end cone face of the armature；
The upper surface of the coil is provided with projection, is fixedly connected with the groove of the base lower surface；The coil is located at
Between the static iron core and the shell, and the lead-out wire of the coil is drawn by the hole on the shell wall；
The permanent magnet includes more block permanent magnets, and the permanent magnet is sector structure, its magnetizing direction for radially, it is described forever
Magnet upper surface is bonded with the coil lower surface, and the permanent magnet external diameter is identical with internal diameter of outer cover, and the permanent magnet is located at
Between the magnetic guiding loop and the shell；
The magnetic guiding loop leaves sky between the armature and the permanent magnet between the magnetic guiding loop and the armature
Gap, the magnetic guiding loop are identical with the height of the permanent magnet；
The cushion block is between the pad and the permanent magnet, for compressing the coil, permanent magnet, magnetic guiding loop；
Porose cylinder centered on the lower yoke, is fixed by screw and the shell；
The upper surface of the armature is the conical surface, is bonded with the lower end cone face of the static iron core；The lower surface of the armature is
Stairstepping, form main pole face 8-1 and consequent pole face 8-2, when armature is moved downwardly to attracted position, the consequent pole face 8-2 and institute
State the upper surface fitting of lower yoke；
The switching-in spring is arranged in the center hole of the base, static iron core, armature；
The push rod is threadedly secured in the center hole of the base, static iron core, armature, the push rod upper surface
Provided with the auxiliary contact for promotion, lower surface is provided with the main contact for promoting；
The pad is annular, between the cushion block and the lower yoke.
Above-mentioned contains fan-shaped permanent-magnet bistable contactor, when contactor is in off-position, the upper end cone face of the armature
With the lower end taper-face contact of the static iron core, the lower end consequent pole face of the armature separates with the upper surface of the lower yoke；When connecing
Tentaculum is in attracted position, and the upper end cone face of the armature separates with the lower end cone face of the static iron core, the lower end of the armature
Consequent pole face contacts with the upper surface of the lower yoke.
Above-mentioned contains fan-shaped permanent-magnet bistable contactor, and the contactor has two stable states when the coil is not powered on
Position：Off-position and attracted position, permanent magnet flux path all be present in two stable positions.Permanent magnet flux is not present quiet
Iron core or lower yoke short circuit paths, improve permanent magnetism utilization rate
Above-mentioned contains fan-shaped permanent-magnet bistable contactor, and at off-position, permanent magnet flux path is as follows, and permanent magnet flux is small
Air gap path is：End cone face → static iron core → base under end cone face → static iron core on N poles → armature → armature of permanent magnet → outer
The S poles of shell → permanent magnet；The big air gap path of permanent magnet flux is：N poles → armature → armature lower end major-minor pole-face of permanent magnet → under
The S poles of yoke → shell → permanent magnet.
Above-mentioned contains fan-shaped permanent-magnet bistable contactor, and when contactor is in off-position, the coil leads to positive arteries and veins
Punching, produces clockwise electromagnetism magnetic flux.
Above-mentioned contains fan-shaped permanent-magnet bistable contactor, and at attracted position, permanent magnet flux path is as follows, and permanent magnet flux is small
Air gap path is：The S poles of N poles → armature of permanent magnet → armature lower end consequent pole face → lower yoke → shell → permanent magnet；Permanent magnetism
The big air gap path of magnetic flux is：End cone face → static iron core → bottom under end cone face → static iron core on N poles → armature → armature of permanent magnet
The S poles of seat → shell → permanent magnet.
Above-mentioned contains fan-shaped permanent-magnet bistable contactor, when contactor is in attracted position, and coil leads to reverse impulse, production
Raw anticlockwise electromagnetism magnetic flux.
Above-mentioned contains fan-shaped permanent-magnet bistable contactor, and the static iron core is fixed together by screw and the base.
Above-mentioned contains fan-shaped permanent-magnet bistable contactor, and the shell is fixed by screw and the base.
Above-mentioned to contain fan-shaped permanent-magnet bistable contactor, the permanent magnet is aluminium nickel cobalt, SmCo or neodymium iron boron, the bottom
Seat, static iron core, armature, shell, magnetic guiding loop, lower yoke are permeability magnetic material, and the push rod, cushion block, pad are non-magnet material.
【3】Beneficial effect
The present invention is this to have symmetrical configuration containing fan-shaped permanent-magnet bistable contactor, and assembling is simply；Bistable magnetic is kept, and is led to
Crossing change permanent magnet number makes confining force adjustable；Permanent magnet flux is not present by static iron core or lower yoke short circuit paths, is improved
Permanent magnetism utilization rate, permanent magnetism height is advantageously reduced, reduce the overall dimensions of contactor；Permanent magnetism confining force and switching-in spring counter-force phase
Mutually coordinating makes that contactor adhesive number of ampere turns is small, and adhesive small power consumption, pickup time is short, fast response time；Armature lower surface is ladder
Shape forms major-minor pole-face, and on the one hand main polar area is advantageous to reduce adhesive number of ampere turns greatly, shortens pickup time, on the other hand secondary
Pole-face and lower yoke contact area are small to improve adhesive confining force, ensures the reliable adhesive of contactor, avoids the occurrence of malfunction, simultaneously
Help to reduce contact bounce, improve the electric life of contactor.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the present invention containing fan-shaped permanent-magnet bistable contactor；
Fig. 2 is armature structure schematic diagram；
Magnetic flux path schematic diagram when Fig. 3 is not powered on for coil, it is now off-position；
Magnetic flux path schematic diagram when Fig. 4 is not powered on for coil, it is now attracted position；
Magnetic flux path schematic diagram when Fig. 5 is off-position, coil leads to direct impulse；
Magnetic flux path schematic diagram when Fig. 6 is attracted position, coil leads to reverse impulse；
Fig. 7 is to coordinate figure using the suction counter-force of the contactor of the present invention containing permanent-magnet bistable；
In figure, A curves are adhesive ampere-turn suction curve, and B curves are counter-force curve, and C curve is 0 ampere-turn suction curve, and D is bent
Line is release ampere turn suction curve.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is discussed in detail.
Refering to Fig. 1-Fig. 7, the present invention provides one kind and contains fan-shaped permanent-magnet bistable contactor, including static iron core 1, coil 2,
Shell 3, permanent magnet 4, magnetic guiding loop 5, cushion block 6, lower yoke 7, armature 8, switching-in spring 9, push rod 10, pad 11 and base 12；
Porose cylinder centered on the static iron core 1, its upper surface are plane, and are pasted with the lower surface of base 10
Close, its lower surface is the conical surface, is bonded with the upper end cone face of the armature 7, and the static iron core 1 is solid by screw and the base 10
It is scheduled on together；
The upper surface of the coil 2 is provided with projection, is fixedly connected with the groove of the lower surface of base 12；The coil 2
Between the static iron core 1 and the shell 3, and the lead-out wire of the coil 2 is drawn by the hole on the wall of shell 3；
The permanent magnet 4 includes more block permanent magnets, and the permanent magnet is sector structure, and its magnetizing direction is radial direction, described
The upper surface of permanent magnet 4 is bonded with the lower surface of coil 2, and the external diameter of the permanent magnet 4 is identical with the internal diameter of shell 3, the permanent magnetism
Body 4 is between the magnetic guiding loop 5 and the shell 3；
The magnetic guiding loop 5 is between the armature 8 and the permanent magnet 4, between the magnetic guiding loop 5 and the armature 8
Space is left, the magnetic guiding loop 5 is identical with the height of the permanent magnet 4；
The cushion block 6 is between the pad 11 and the permanent magnet 4, for compressing the coil 2, permanent magnet 4, leading
Magnet ring 5；
Porose cylinder centered on the lower yoke 7, fixed by screw and the shell 3；
The shell 3 is fixed by screw and the base 12；
The upper surface of the armature 8 is the conical surface, is bonded with the lower end cone face of the static iron core 1；The lower surface of the armature 8
For stairstepping, form main pole face 8-1 and consequent pole face 8-2, when armature 8 is moved downwardly to attracted position, the consequent pole face 8-2 with
The upper surface fitting of the lower yoke 7；
The switching-in spring 9 is arranged in the center hole of the base 12, static iron core 1, armature 8；
The push rod 10 is threadedly secured in the center hole of the base 12, static iron core 1, armature 8, the push rod
10 upper surfaces are provided with the auxiliary contact for promoting, and lower surface is provided with the main contact for promoting；
The pad 11 is annular, between the cushion block 6 and the lower yoke 7.
Further, in a kind of preferred embodiment containing fan-shaped permanent-magnet bistable contactor of the present invention, the He of armature 8
Static iron core 1, the movement relation of lower yoke 7 are：When contactor is in off-position, the upper end cone face of the armature 8 with it is described quiet
The lower end taper-face contact of iron core 1, the lower end consequent pole face of the armature 8 separate with the upper surface of the lower yoke 5；
When contactor is in attracted position, the upper end cone face of the armature 8 separates with the lower end cone face of the static iron core 1,
The lower end consequent pole face of the armature 8 contacts with the upper surface of the lower yoke 5.
Further, in a kind of preferred embodiment containing fan-shaped permanent-magnet bistable contactor of the present invention, the contactor
There are two stable positions when the coil 2 is not powered on：Off-position and attracted position, all exist in two stable positions
Permanent magnet flux path.
Further, in a kind of preferred embodiment containing fan-shaped permanent-magnet bistable contactor of the present invention, in off-position
When permanent magnet flux path it is as follows,
Permanent magnet flux small air gap path is：The lower end of end cone face → static iron core 1 on N poles → 8 → armature of armature 8 of permanent magnet 4
The S poles of the conical surface → 3 → permanent magnet of static iron core 1 → base, 12 → shell 4；
The big air gap path of permanent magnet flux is：The lower end major-minor pole-face of N poles → 8 → armature of armature 8 → lower yoke 7 of permanent magnet 4
The S poles of 3 → permanent magnet of → shell 4.
As shown in figure 3, in release stable position, permanent magnet flux path caused by permanent magnet 4 has two, and one is positioned at upper
The permanent magnet flux small air gap path of half part, suction F1, side are produced between end cone face in 1 time end cone face of static iron core and armature 8
To upward；Another is positioned at the big air gap path of permanent magnet flux of the latter half, in the upper surface of lower yoke 7 and the lower end master of armature 8
Suction F2 is produced between consequent pole face, direction is downward；Because the air gap between end cone face on 1 time end cone face of static iron core and armature 8 is remote
Much smaller than the air gap between the upper surface of lower yoke 7 and the lower end major-minor pole-face of armature 8, therefore, F1>F2, armature 8 are maintained at release position
Put.
Further, in a kind of preferred embodiment containing fan-shaped permanent-magnet bistable contactor of the present invention, at contactor
When off-position, the coil 2 leads to direct impulse, produces clockwise electromagnetism magnetic flux, and electromagnetism magnetic flux path is：Quiet iron
The lower end major-minor pole-face of 1 → static iron core of core, 1 time end cone face → 8 → armature of armature 8 → 7 → shell of lower yoke, 3 → base 12 → quiet iron
Core 1.
It will be produced when contactor is maintained at off-position, and coil 2 leads to direct impulse, inside contactor suitable as shown in Figure 5
Conterclockwise electromagnetism magnetic flux.End cone face and 1 time end cone face position of static iron core on armature 8, electromagnetism magnetic flux and permanent magnet flux side
To on the contrary, F1 reduces；In the upper surface of lower yoke 7 and the lower end major-minor pole-face position of armature 8, electromagnetism magnetic flux and permanent magnet flux direction phase
Together, F2 increases；When total suction is more than counter-force, armature 8 starts to move downward, and finally closes at attracted position.
Further, in a kind of preferred embodiment containing fan-shaped permanent-magnet bistable contactor of the present invention, in attracted position
When permanent magnet flux path it is as follows,
Permanent magnet flux small air gap path is：The lower end consequent pole face of N poles → 8 → armature of armature 8 → lower yoke 7 of permanent magnet 4 →
The S poles of 3 → permanent magnet of shell 4；
The big air gap path of permanent magnet flux is：The lower end of end cone face → static iron core 1 on N poles → 8 → armature of armature 8 of permanent magnet 4
The S poles of the conical surface → 3 → permanent magnet of static iron core 1 → base, 12 → shell 4.
As shown in figure 4, in adhesive stable position, permanent magnet flux path caused by permanent magnet 4 also has two, and one is to be located at
The big air gap path of permanent magnet flux of top half, suction F1 is produced between end cone face in 1 time end cone face of static iron core and armature 8,
Direction is upward；Another is positioned at the permanent magnet flux small air gap path of the latter half, in the upper surface of lower yoke 7 and the lower end of armature 8
Suction F2 is produced between consequent pole face, direction is downward；Because the air gap between end cone face on 1 time end cone face of static iron core and armature 8 is remote
Much larger than the air gap between the upper surface of lower yoke 7 and the lower end consequent pole face of armature 8, therefore, F1<F2, armature 8 are maintained at adhesive position
Put.
Further, in a kind of preferred embodiment containing fan-shaped permanent-magnet bistable contactor of the present invention, at contactor
In attracted position, when coil 2 leads to reverse impulse, anticlockwise electromagnetism magnetic flux is produced.Electromagnetism magnetic flux path is：Static iron core 1
The lower end consequent pole face of 7 → armature of → base 12 → shell, the 3 → lower yoke 8 → end cone face → static iron core 1 of 8 → static iron core of armature 1 time.
When contactor is maintained at attracted position, and coil leads to reverse impulse, the inverse time as shown in Figure 6 will be produced inside contactor
The electromagnetism magnetic flux in pin direction.End cone face and 1 time end cone face position of static iron core on armature 8, electromagnetism magnetic flux and permanent magnet flux direction
It is identical, F1 increases；In the upper surface of lower yoke 7 and the lower end consequent pole face position of armature 8, electromagnetism magnetic flux and permanent magnet flux are in opposite direction,
F2 reduces；When total suction is less than counter-force, armature 8 starts to move upwards, finally closes at off-position.
In addition, contactor is maintained at attracted position, if when artificially applying upward external force on push rod, it is subject to when armature
When total suction is less than counter-force, armature 8 starts to move upwards, finally closes at off-position.
In off-position and attracted position, all in the absence of permanent magnet flux by static iron core 1 or the short circuit paths of lower yoke 7.
The operation principle of present embodiment：Contactor includes several piece sector permanent magnet 4, and they are with armature 8, static iron core 1, outer
Shell 3, lower yoke 7 form permanent magnet circuit, realize that contactor is stably held in off-position or attracted position.
The counter force system of the present invention is mainly made up of switching-in spring and touch spring, the B curves in its counter-force curve such as Fig. 7
It is shown.Such as Fig. 7, it is at 0 in armature displacement, i.e. off-position, the suction under 0 ampere-turn is less than counter-force, and therefore, armature, which is maintained at, to be released
Put position；It is i.e. attracted position at maximum in armature displacement, the suction under 0 ampere-turn is more than counter-force, and therefore, armature is maintained at
Attracted position.Under adhesive ampere-turn and release ampere turn, suction curve relatively, so advantageously reduces contact with counter-force curve
The adhesive power consumption of device or release power consumption, while Impact energy when can also reduce armature adhesive or release, it is tactile so as to reduce
Head rebound.
Further, in a kind of preferred embodiment containing fan-shaped permanent-magnet bistable contactor of the present invention, the permanent magnet 4
For aluminium nickel cobalt, SmCo or neodymium iron boron, the base 12, static iron core 1, armature 8, shell 3, magnetic guiding loop 5, lower yoke 7 are magnetic conduction material
Material, the push rod 10, cushion block 6, pad 11 are non-magnet material.
The present invention is this to have symmetrical configuration containing fan-shaped permanent-magnet bistable contactor, and assembling is simply；Bistable magnetic is kept, and is led to
Crossing change permanent magnet number makes confining force adjustable；Permanent magnet flux is not present by static iron core or lower yoke short circuit paths, is improved
Permanent magnetism utilization rate, permanent magnetism height is advantageously reduced, reduce the overall dimensions of contactor；Permanent magnetism confining force and switching-in spring counter-force phase
Mutually coordinating makes that contactor adhesive number of ampere turns is small, and adhesive small power consumption, pickup time is short, fast response time；Armature lower surface is ladder
Shape forms major-minor pole-face, and on the one hand main polar area is advantageous to reduce adhesive number of ampere turns greatly, shortens pickup time, on the other hand secondary
Pole-face and lower yoke contact area are small to improve adhesive confining force, ensures the reliable adhesive of contactor, avoids the occurrence of malfunction, simultaneously
Help to reduce contact bounce, improve the electric life of contactor.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. one kind contains fan-shaped permanent-magnet bistable contactor, it is characterised in that including static iron core (1), coil (2), shell (3), forever
Magnet (4), magnetic guiding loop (5), cushion block (6), lower yoke (7), armature (8), switching-in spring (9), push rod (10), pad (11) and bottom
Seat (12)；Porose cylinder centered on the static iron core (1), its upper surface are plane, and with the base (10) lower surface
Fitting, its lower surface is the conical surface, is bonded with the upper end cone face of the armature (7)；
The upper surface of the coil (2) is provided with projection, is fixedly connected with the groove of the base (12) lower surface；The coil
(2) between the static iron core (1) and the shell (3), and the lead-out wire of the coil (2) passes through the shell (3) wall
On hole draw；
The permanent magnet (4) includes more block permanent magnets, and the permanent magnet is sector structure, its magnetizing direction for radially, it is described forever
Magnet (4) upper surface is bonded with the coil (2) lower surface, and the permanent magnet (4) external diameter is identical with shell (3) internal diameter, institute
Permanent magnet (4) is stated between the magnetic guiding loop (5) and the shell (3)；
The magnetic guiding loop (5) is between the armature (8) and the permanent magnet (4), the magnetic guiding loop (5) and the armature
(8) space is left between, the magnetic guiding loop (5) is identical with the height of the permanent magnet (4)；
The cushion block (6) is between the pad (11) and the permanent magnet (4), for compressing the coil (2), permanent magnet
(4), magnetic guiding loop (5)；
Porose cylinder centered on the lower yoke (7), it is fixed by screw and the shell (3)；
The upper surface of the armature (8) is the conical surface, is bonded with the lower end cone face of the static iron core (1)；The lower end of the armature (8)
Face is stairstepping, forms main pole face 8-1 and consequent pole face 8-2, when armature (8) is moved downwardly to attracted position, the consequent pole face
8-2 is bonded with the upper surface of the lower yoke (7)；
The switching-in spring (9) is arranged in the center hole of the base (12), static iron core (1), armature (8)；
The push rod (10) is threadedly secured in the center hole of the base (12), static iron core (1), armature (8), described
Push rod (10) upper surface is provided with the auxiliary contact for promoting, and lower surface is provided with the main contact for promoting；
The pad (11) is annular, between the cushion block (6) and the lower yoke (7).
2. one kind as claimed in claim 1 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：
When contactor is in off-position, the upper end cone face of the armature (8) and the lower end taper-face contact of the static iron core (1),
The lower end consequent pole face of the armature (8) separates with the upper surface of the lower yoke (5)；
When contactor is in attracted position, the upper end cone face of the armature (8) separates with the lower end cone face of the static iron core (1),
The lower end consequent pole face of the armature (8) contacts with the upper surface of the lower yoke (5).
3. one kind as claimed in claim 2 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：The contactor is described
There are two stable positions when coil (2) is not powered on：Off-position and attracted position, permanent magnetism all be present in two stable positions
Magnetic flux path.
4. one kind as claimed in claim 3 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：The permanent magnetism at off-position
Magnetic flux path is as follows,
Permanent magnet flux small air gap path is：End cone face → static iron core (1) on the N poles of permanent magnet (4) → armature (8) → armature (8)
The S poles of lower end cone face → static iron core (1) → base (12) → shell (3) → permanent magnet (4)；
The big air gap path of permanent magnet flux is：The N poles of permanent magnet (4) → armature (8) → armature (8) lower end major-minor pole-face → lower yoke
(7) the S poles of → shell (3) → permanent magnet (4).
5. one kind as claimed in claim 4 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：When contactor is in release
During position, the coil (2) leads to direct impulse, produces clockwise electromagnetism magnetic flux.
6. one kind as claimed in claim 3 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：The permanent magnetism at attracted position
Magnetic flux path is as follows,
Permanent magnet flux small air gap path is：The N poles of permanent magnet (4) → armature (8) → armature (8) lower end consequent pole face → lower yoke
(7) the S poles of → shell (3) → permanent magnet (4)；
The big air gap path of permanent magnet flux is：End cone face → static iron core (1) on the N poles of permanent magnet (4) → armature (8) → armature (8)
The S poles of lower end cone face → static iron core (1) → base (12) → shell (3) → permanent magnet (4).
7. one kind as claimed in claim 6 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：When contactor is in adhesive
Position, when coil (2) leads to reverse impulse, produce anticlockwise electromagnetism magnetic flux.
8. one kind as claimed in claim 1 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：The static iron core (1) is logical
Screw is crossed to be fixed together with the base (10).
9. one kind as claimed in claim 1 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：The shell (3) passes through
Screw is fixed with the base (12).
10. one kind as claimed in claim 1 contains fan-shaped permanent-magnet bistable contactor, it is characterised in that：The permanent magnet (4) is
Aluminium nickel cobalt, SmCo or neodymium iron boron, the base (12), static iron core (1), armature (8), shell (3), magnetic guiding loop (5), lower yoke
(7) it is permeability magnetic material, the push rod (10), cushion block (6), pad (11) are non-magnet material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879515.7A CN107768199A (en) | 2017-09-26 | 2017-09-26 | One kind contains fan-shaped permanent-magnet bistable contactor |
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| CN201710879515.7A CN107768199A (en) | 2017-09-26 | 2017-09-26 | One kind contains fan-shaped permanent-magnet bistable contactor |
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| CN107768199A true CN107768199A (en) | 2018-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211500A (en) * | 2020-09-22 | 2021-01-12 | 兰州万里航空机电有限责任公司 | Aviation bidirectional self-holding electromagnetic lock with magnetic conductive column |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2627633Y (en) * | 2003-07-22 | 2004-07-21 | 吉林永大集团有限公司 | Low-voltage switch permanent-magnet keeping drive mechanism |
| CN201191588Y (en) * | 2008-01-29 | 2009-02-04 | 江苏中金电器设备有限公司 | Bi-stable state operating mechanism for permanent magnet type contactor |
| CN103311052A (en) * | 2013-05-23 | 2013-09-18 | 哈尔滨工业大学 | Directly-operated permanent magnet-contained T armature structure |
| CN103560052A (en) * | 2013-10-24 | 2014-02-05 | 哈尔滨工业大学 | Lower annular permanent magnet magnetic circuit used for directly operated type electromagnetic system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2627633Y (en) * | 2003-07-22 | 2004-07-21 | 吉林永大集团有限公司 | Low-voltage switch permanent-magnet keeping drive mechanism |
| CN201191588Y (en) * | 2008-01-29 | 2009-02-04 | 江苏中金电器设备有限公司 | Bi-stable state operating mechanism for permanent magnet type contactor |
| CN103311052A (en) * | 2013-05-23 | 2013-09-18 | 哈尔滨工业大学 | Directly-operated permanent magnet-contained T armature structure |
| CN103560052A (en) * | 2013-10-24 | 2014-02-05 | 哈尔滨工业大学 | Lower annular permanent magnet magnetic circuit used for directly operated type electromagnetic system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112211500A (en) * | 2020-09-22 | 2021-01-12 | 兰州万里航空机电有限责任公司 | Aviation bidirectional self-holding electromagnetic lock with magnetic conductive column |
| CN112211500B (en) * | 2020-09-22 | 2022-03-08 | 兰州万里航空机电有限责任公司 | Aviation bidirectional self-holding electromagnetic lock with magnetic conductive column |
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