CN108242362A - A kind of contactor for having the function of to switch phase sequence - Google Patents
A kind of contactor for having the function of to switch phase sequence Download PDFInfo
- Publication number
- CN108242362A CN108242362A CN201810055342.1A CN201810055342A CN108242362A CN 108242362 A CN108242362 A CN 108242362A CN 201810055342 A CN201810055342 A CN 201810055342A CN 108242362 A CN108242362 A CN 108242362A
- Authority
- CN
- China
- Prior art keywords
- main contacts
- copper sheet
- phase sequence
- armature
- contacts copper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000819 phase cycle Methods 0.000 title claims abstract description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 150
- 229910052802 copper Inorganic materials 0.000 claims abstract description 150
- 239000010949 copper Substances 0.000 claims abstract description 150
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000005452 bending Methods 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
Abstract
A kind of contactor for having the function of to switch phase sequence, electric and power blackout situation is obtained by two iron cores of control, to control the steering of armature, simultaneously, since the phase sequence of wherein three upper main contacts copper sheets of side is A, C, B or B, A, C or C, B, A, for its phase sequence A, B, C relative to three upper main contacts copper sheets of opposite side, it is to exchange any two phase sequence position to be formed, therefore, it can be in same contactor by the way that the positive and negative swing of armature is controlled to realize the function of switching phase sequence, so as to fulfill the rotating of three phase electric machine;Since the rotating of three phase electric machine can be realized by a contactor, can be greatly reduced the occupancy that electric cabinet is controlled three phase electric machine;In addition, the rotating of armature is directly controlled by belt coil iron core, moreover it is possible to play the function as electrical interlocks circuit, avoid addition electrical interlocks circuit, further improve the space availability ratio of the electric cabinet of three phase electric machine control.The contactor construction is simple, at low cost, later maintenance facility.
Description
Technical field
The present invention relates to a kind of contactors for having the function of to switch phase sequence.
Background technology
The rotating of three phase electric machine is all realized by A, B, C three-phase phase-sequence in existing electric loop, at present work
The motor positive/reverse rotation circuit of widely used two contactors composition in industry, by accessing two common contacts in electric loop
Device so as to fulfill the rotating of motor, however sets two common contact devices in electric loop, occupies very much three phase electric machine control
The space of the electric cabinet of system;Meanwhile in order to avoid being interfered with each other when two contactors are run, it need to also additionally increase electricity in electric loop
Gas interlocking loop due to increasing electrical interlocks circuit, not only further occupies the sky of the electric cabinet of three phase electric machine control
Between, the tedious work of electrical wiring is also accordingly increased, is not easy to the maintenance of three phase electric machine.
Invention content
The present invention is intended to provide contactor a kind of simple in structure and that there is switching phase sequence.
A kind of contactor for having the function of to switch phase sequence of the present invention, including shell, being equipped with inside the housing can
The armature of opposite shell rotation, also installs the iron core for being wound with coil, the iron in every side respectively on the side wall of outer shell of armature both sides
Three in top upper main contacts copper sheets and three lower main contacts copper sheets being below are both provided between core and armature,
Main contacts copper sheets on three that can connect homonymy are additionally provided on armature and contact copper sheet with three the intermediate of lower main contacts copper sheet,
The phase sequence of three of middle side upper main contacts copper sheets is A, B, C, the phase sequences of three upper main contacts copper sheets of opposite side for A, C, B or
B, A, C or C, B, A, when the iron core in main contacts copper sheet side on three that phase sequence is A, B, C obtains electric, armature turns towards the side
It is dynamic, intermediate contact copper sheet is made to be contacted simultaneously with three upper main contacts copper sheets of the side and three lower main contacts copper sheets, by the side
Upper main contacts copper sheet is connected with lower main contacts copper sheet, and motor rotates forward at this time;Phase sequence be A, C, B or B, A, C or C, three of B, A
When the iron core of upper main contacts copper sheet side obtains electric, armature is rotated towards the side, makes three of intermediate contact copper sheet and the side above to lead
Contact copper sheet and three lower main contacts copper sheets contact simultaneously, and the upper main contacts copper sheet of the side is connected with lower main contacts copper sheet, this
When motor reversal.
A kind of contactor for having the function of to switch phase sequence of the present invention obtains electric and power-off by two iron cores of control
Situation, to control the steering of armature, simultaneously as the phase sequence of wherein three upper main contacts copper sheets of side is A, C, B or B, A, C
Or C, B, A, it is by any two phase sequence position for phase sequence A, B, C of three upper main contacts copper sheets of opposite side
It exchanges to be formed, therefore, can realize the function of switching phase sequence by controlling the rotating of armature in same contactor, so as to
Realize the rotating of three phase electric machine;Since the rotating of three phase electric machine can be realized by a contactor, can substantially drop
The low occupancy for controlling three phase electric machine electric cabinet space;In addition, directly controlling the rotating of armature by belt coil iron core, not only may be used
Make contactor operating accuracy higher, moreover it is possible to play the function as electrical interlocks circuit, avoid addition electrical interlocks circuit, more
Further improve the space availability ratio of the electric cabinet of three phase electric machine control;In addition, by the way that intermediate contact copper sheet is set to can effectively avoid
Upper main contacts copper sheet and lower main contacts copper sheet are in direct contact the impact generated in the process, and then influence the service life of contactor.
The contactor construction is simple, at low cost, later maintenance facility.
Description of the drawings
Fig. 1 is assembly structure diagram of the present invention.
Fig. 2 is decomposition diagram of the present invention.
Fig. 3 is the mounting structure schematic diagram of the upper main contacts copper sheet of the present invention.
Fig. 4 is the mounting structure schematic diagram of the lower main contacts copper sheet of the present invention.
Fig. 5 is the attachment structure schematic diagram of intermediate contact copper sheet.
Specific embodiment
A kind of contactor for having the function of to switch phase sequence, as depicted in figs. 1 and 2, including shell 1, is installed inside shell 1
Have can the armature 2 that rotates of opposite shell 1, also installation is wound with the iron core 3 of coil respectively on 1 side wall of shell of 2 both sides of armature,
It is led under every main contacts copper sheet 4 on three in top is both provided between the iron core 3 of side and armature 2 and is below three
Contact copper sheet 5 is additionally provided with main contacts copper sheet 4 on can connect homonymy three and three lower main contacts copper sheets 5 on armature 2
Centre contact copper sheet 6, the phase sequence of the wherein upper main contacts copper sheet 4 of the three of side are A, B, C, three upper main contacts copper of opposite side
The phase sequence of piece 4 is A, C, B or B, A, C or C, B, A, and the iron core 3 of 4 side of main contacts copper sheet obtains on three that phase sequence is A, B, C
When electric, armature 2 is rotated towards the side, makes intermediate contact copper sheet 6 and three upper main contacts copper sheets 4 of the side and three lower main contacts
Copper sheet 5 contacts simultaneously, and the upper main contacts copper sheet 4 of the side is connected with lower main contacts copper sheet 5, and motor rotates forward at this time;It is in phase sequence
A, C, B or B, A, C or C, three of B, A upper 4 sides of main contacts copper sheet iron cores 3 it is electric when, armature 2 is rotated towards the side, is made
Centre contact copper sheet 6 contacts simultaneously with three upper main contacts copper sheets 4 of the side and three lower main contacts copper sheets 5, by the upper of the side
Main contacts copper sheet 4 is connected with lower main contacts copper sheet 5, at this time motor reversal.The phase sequence of the upper main contacts copper sheet 4 of three of opposite side is excellent
A, C, B are selected, connection is more convenient.
As shown in Figure 3 and Figure 4, the upper main contacts copper sheet 4 of the both sides is installed on footstock 7, and footstock 7 is mounted on shell
Top surface inside 1, the lower main contacts copper sheet 5 of the both sides are installed on pedestal 8, and pedestal 8 is mounted on the bottom inside shell 1
Face;The footstock 7 and pedestal 8 are stacked to be formed by two concave shape mounting base coincidences, in the coincidence of the mounting base in inside
The continuous groove 9 of three consistent with mounting base shape is provided on face, in the wherein one side wall of the mounting base in outside
Be provided with two rows through-hole 10, per exhausting hole 10 number it is equal there are three;The upper main contacts copper sheet 4 and lower main contacts copper sheet
5 be in L-shaped;Phase sequence is that a line of three upper main contacts copper sheets 4 of A, B, C is embedded in the mounting base in inside of footstock 7
Wherein one side wall on groove 9 in, another a line is by separate groove 9 bottom surface on the side wall for the mounting base for being in outside
One exhausting hole 10 is pierced by, and a line of three lower main contacts copper sheets 5 of homonymy is embedded in its of the mounting base in inside of pedestal 8
In groove 9 in middle one side wall, another a line by be in outside mounting base side wall on 9 bottom surface of close groove a row
Through-hole 10 is pierced by;Phase sequence is three places of a lines insertion footstock 7 for going up main contacts copper sheets 4 of A, C, B or B, A, C or C, B, A
In in the groove 9 on another side wall of the mounting base of inside, another a line is by leaning on the side wall for the mounting base for being in outside
One exhausting hole 10 of nearly 9 bottom surface of groove is pierced by, and a line insertion pedestal 8 of three lower main contacts copper sheets 5 of homonymy is in interior
In groove 9 on another side wall of mounting base of side, another a line is by 9 bottom of separate groove on the mounting base side wall on the outside of being in
One exhausting hole 10 in face is pierced by;The part of the upper main contacts copper sheet 4 insertion groove 9 of both sides is extended downwardly out other than groove 9, and two
The part of the lower main contacts copper sheet 5 insertion groove 9 of side is extended upward other than groove 9.By footstock 7 and pedestal 8 with fixation
Main contacts copper sheet 5 under main contacts copper sheet 4 and two groups on two groups, so as to realize effect that phase sequence changes in a contactor.
The armature 2 that is partially toward that the upper main contacts copper sheet 4 of both sides extends other than groove 9 is bent, the lower main contacts of both sides
The iron core 3 that is partially toward that copper sheet 5 extends other than groove 9 is bent, and bending part and the lower master of the upper main contacts copper sheet 4 of homonymy touch
The bending part of point copper sheet 5 is aligned obliquely.Due to bending part and the lower main contacts copper of the upper main contacts copper sheet 4 of homonymy
The bending part of piece 5 is aligned obliquely, therefore forms a plane, convenient for being contacted with the intermediate contact copper sheet 6 on armature 2.
On the bending part of the upper main contacts copper sheet 4 of the both sides and on the bending part of the lower main contacts copper sheet 5 of both sides
The first spherical surface 11 of protrusion is both provided with, is respectively provided on the intermediate contact copper sheet 6 of both sides there are two the second spherical surface 12, in centre
Copper sheet 6 is contacted in 2 rotation process of armature, centre contacts the upper main contacts copper of second spherical surface 12 and homonymy on copper sheet 6
The first spherical surface 11 on piece 4 contacts, another second spherical surface 12 connects with the first spherical surface 11 on the lower main contacts copper sheet 5 of homonymy
It touches, the upper main contacts copper sheet 4 of homonymy is connected with lower main contacts copper sheet 5, so as to fulfill the rotating of three phase electric machine;Meanwhile
It contacts copper sheet 6 with intermediate since upper main contacts copper sheet 4 contact with centre copper sheet 6 and lower main contacts copper sheet 5 and is connect by spherical surface
It touches, greatly reduces contact area therebetween, the arc-quenching part formed by the spherical surface of protrusion, moreover it is possible to greatly improve and connect
The usage safety performance of tentaculum.
The armature 2 is connected to by shaft on shell 1, and the armature is in Y types, and a line of Y types armature 2 extend into bottom
In the groove 21 of the mounting base in inside of seat 8, intermediate contact is respectively arranged on the two other adjacent side of Y types armature 2
Copper sheet 6 by setting Y types armature 2, is faster replied convenient for intermediate contact copper sheet 6 thereon in 2 swing process of Y types armature
To intermediate equilibria position.
As shown in Figure 2 and Figure 5, it is respectively arranged on two adjacent sides of Y types armature 2 for being provided with intermediate contact copper sheet 6
Three mounting grooves 13 are mounted on spring 14 in the mounting groove 13 of every side, and 14 free end of spring is protruding to other than mounting groove 13,
Inserted link 15 is provided in the intermediate one side for contacting copper sheet 6 towards mounting groove 13 of both sides, centre contacts the inserted link 15 on copper sheet 6
It is inserted into the free end of the spring 14 in corresponding mounting groove 13, centre contact copper sheet 6 is mounted on by Y type armature by spring 14
On 2.In contactor action process, spring 14 can play the upper main contacts copper sheet 4 of buffering and lower main contacts copper sheet 5 respectively with centre
The effect of impact force when copper sheet 6 contacts is contacted, in addition, in the contactor course of work, if upper main contacts copper sheet 4 or lower master touch
Slight deformation occurs for point copper sheet 5, at this point, there may be main contacts copper sheets 4 on part and lower master in 2 action process of Y types armature
Contact copper sheet 5 contacts respectively with centre can not completely attach in the contact process of copper sheet 6 there are gap, and copper is contacted by centre
Piece 6 ensures to contact gapless, contacts to obtain more consolidation, effectively prevent the upper master caused by external vibration using the deformation of spring 14
Contact copper sheet 4 and lower main contacts copper sheet 5 contact the phenomenon that being disconnected when copper sheet 6 connects with centre respectively, and it is worked to improve contactor
Reliability in journey.
The stripe shape through-hole 16 of arcuation is provided on the column end face of Y types armature 2, be provided on the inner wall of shell 1 with
The strip bulge 17 of 16 corresponding arcuation of strip through-hole, the arc length of the strip bulge 17 are less than the arc length of strip through-hole 16,
The strip bulge 17 is extend into corresponding strip through-hole 16.In 2 swing process of Y types armature, strip bulge 17 can opposite Y
Strip through-hole 16 on type armature 2 moves, when the either end of strip bulge 17 is with the corresponding end in contact of strip through-hole 16, Y
Type armature 2 stops swinging or towards backswing, by the cooperation of strip through-hole 16 and strip bulge 17, plays limitation Y type ranks
Iron 2 is excessive in actuation moment rotation angle, further avoids causing main contacts copper sheet 4 and lower main contacts copper sheet 5 respectively in
Between contact copper sheet 6 generate larger impact force.
Two iron cores 3 are mounted on the vertical side inside shell 1 by the iron core mounting base 18 triangular in shape of both sides respectively
On wall, two iron core mounting bases 18 are towards being arranged at intervals with multiple slots 19 in the one side of shell 1, inside the shell 1
The plate 20 identical with 19 numbers of slot is provided in upright side walls, plate 20 is inserted into corresponding slot 19, iron core is installed
Seat 18 is mounted on shell 1.By the connection structure of slot 19 and plate 20, convenient for the installation and removal of iron core mounting base 18.
The iron core 3 is in E fonts, and coil is wound in a line that iron core 3 is in intermediate.
Directionality instruction involved in the present invention(Top surface, bottom surface etc.), it is only used for explaining that contactor is in such as Fig. 1 shapes
The relative position relation between each component during state, when changing such as the particular state, then directionality indicates also correspondingly
It changes correspondingly.
Claims (10)
1. a kind of contactor for having the function of to switch phase sequence, it is characterised in that:Including shell(1), in shell(1)Inside is equipped with
It can opposite shell(1)The armature of rotation(2), in armature(2)The shell of both sides(1)The iron for being wound with coil is also installed respectively on side wall
Core(3), the iron core in every side(3)With armature(2)Between be both provided with main contacts copper sheet on three in top(4)With in
Three lower main contacts copper sheets of lower section(5), in armature(2)On be additionally provided with and can connect three of homonymy upper main contacts copper sheets(4)
With three lower main contacts copper sheets(5)Intermediate contact copper sheet(6), wherein three of side upper main contacts copper sheets(4)Phase sequence be
A, B, C, three upper main contacts copper sheets of opposite side(4)Phase sequence be A, C, B or B, A, C or C, B, A, be A, B, C in phase sequence
Three upper main contacts copper sheets(4)The iron core of side(3)When obtaining electric, armature(2)It is rotated towards the side, makes intermediate contact copper sheet(6)
With three upper main contacts copper sheets of the side(4)And three lower main contacts copper sheets(5)It contacts simultaneously, by the upper main contacts copper sheet of the side
(4)With lower main contacts copper sheet(5)Connection, at this time motor rotating forward;It is A, C, B or B, A, C or C, main on three of B, A touches in phase sequence
Point copper sheet(4)The iron core of side(3)When obtaining electric, armature(2)It is rotated towards the side, makes intermediate contact copper sheet(6)With the three of the side
A upper main contacts copper sheet(4)And three lower main contacts copper sheets(5)It contacts simultaneously, by the upper main contacts copper sheet of the side(4)With lower master
Contact copper sheet(5)It connects, at this time motor reversal.
2. a kind of contactor for having the function of to switch phase sequence according to claim 1, it is characterised in that:The opposite side
Three upper main contacts copper sheets(4)Phase sequence be A, C, B.
3. a kind of contactor for having the function of to switch phase sequence according to claim 1, it is characterised in that:The both sides it is upper
Main contacts copper sheet(4)It is installed in footstock(7)On, footstock(7)Mounted on shell(1)Internal top surface, the lower master of the both sides
Contact copper sheet(5)It is installed in pedestal(8)On, pedestal(8)Mounted on shell(1)Internal bottom surface;The footstock(7)And pedestal
(8)It is stacked to be formed by two concave shape mounting base coincidences, is provided with and installs in the coincidence face of the mounting base in inside
Three consistent continuous grooves of seat shape(9), two rows are provided in the wherein one side wall of the mounting base in outside
Through-hole(10), per exhausting hole(10)Number it is equal there are three;The upper main contacts copper sheet(4)And lower main contacts copper sheet(5)It is in L
Font;Phase sequence is three upper main contacts copper sheets of A, B, C(4)A line insertion footstock(7)Mounting base in inside
Groove wherein in one side wall(9)Interior, another a line is by the separate groove on the side wall for the mounting base for being in outside(9)Bottom surface
An exhausting hole(10)It is pierced by, three lower main contacts copper sheets of homonymy(5)A line insertion pedestal(8)The peace in inside
Fill the groove in the wherein one side wall of seat(9)Interior, another a line is by the close groove on the side wall for the mounting base for being in outside
(9)One exhausting hole of bottom surface(10)It is pierced by;Phase sequence is three upper main contacts copper sheets of A, C, B or B, A, C or C, B, A(4)One
Side insertion footstock(7)The mounting base in inside another side wall on groove(9)Interior, another a line is by being in outside
Mounting base side wall on close groove(9)One exhausting hole of bottom surface(10)It is pierced by, three lower main contacts copper sheets of homonymy(5)
A line insertion pedestal(8)Another side wall of the mounting base in inside on groove(9)Interior, another a line is by being in outer
Separate groove on the mounting base side wall of side(9)One exhausting hole of bottom surface(10)It is pierced by;The upper main contacts copper sheet of both sides(4)It is embedded
Groove(9)Part extend downwardly out groove(9)In addition, the lower main contacts copper sheet of both sides(5)Embedded groove(9)Part it is equal
Extend upward groove(9)In addition.
4. a kind of contactor for having the function of to switch phase sequence according to claim 3, it is characterised in that:The upper master of both sides touches
Point copper sheet(4)Extend groove(9)In addition be partially toward armature(2)Bending, the lower main contacts copper sheet of both sides(5)Extend recessed
Slot(9)In addition be partially toward iron core(3)Bending, the upper main contacts copper sheet of homonymy(4)Bending part and lower main contacts copper sheet
(5)Bending part be aligned obliquely.
5. a kind of contactor for having the function of to switch phase sequence according to claim 4, it is characterised in that:The both sides it is upper
Main contacts copper sheet(4)Bending part on and both sides lower main contacts copper sheet(5)Bending part on be both provided with the of protrusion
One spherical surface(11), the intermediate contact copper sheet in both sides(6)On be respectively provided with there are two the second spherical surface(12), copper sheet is contacted in centre
(6)With armature(2)In rotation process, centre contact copper sheet(6)On second spherical surface(12)With the upper main contacts copper of homonymy
Piece(4)On the first spherical surface(11)Contact, another second spherical surface(12)With the lower main contacts copper sheet of homonymy(5)On the first ball
Face(11)Contact, by the upper main contacts copper sheet of homonymy(4)With lower main contacts copper sheet(5)Connection.
6. a kind of contactor for having the function of to switch phase sequence according to claim 1, it is characterised in that:The armature(2)
Shell is connected to by shaft(1)On, the armature(2)In Y types, Y type armature(2)A line extend into pedestal(8)Place
In the groove of the mounting base of inside(21)It is interior, in Y type armature(2)Two other adjacent side on be respectively arranged with intermediate contact copper sheet
(6).
7. a kind of contactor for having the function of to switch phase sequence according to claim 6, it is characterised in that:It is being provided with centre
Contact copper sheet(6)Y type armature(2)Two adjacent sides on be respectively arranged with three mounting grooves(13), the mounting groove in every side
(13)Inside it is mounted on spring(14), spring(14)Free end is protruding to mounting groove(13)In addition, in the intermediate contact copper of both sides
Piece(6)Towards mounting groove(13)One side on be provided with inserted link(15), centre contact copper sheet(6)On inserted link(15)It is inserted into and corresponds to
Mounting groove(13)Interior spring(14)Free end in, pass through spring(14)Centre is contacted into copper sheet(6)Mounted on Y type armature
(2)On.
8. a kind of contactor for having the function of to switch phase sequence described according to claim 6 or 7, it is characterised in that:In Y type armature
(2)Column end face on be provided with the stripe shape through-hole of arcuation(16), in shell(1)Inner wall on be provided with and strip through-hole(16)
The strip bulge of corresponding arcuation(17), the strip bulge(17)Arc length be less than strip through-hole(16)Arc length, it is described
Strip bulge(17)It extend into corresponding strip through-hole(16)It is interior.
9. a kind of contactor for having the function of to switch phase sequence according to claim 1, it is characterised in that:Two iron cores(3)
Pass through the iron core mounting base triangular in shape of both sides respectively(18)Mounted on shell(1)In internal upright side walls, two iron cores
Mounting base(18)Towards shell(1)One side on be arranged at intervals with multiple slots(19), in the shell(1)Internal vertical side
It is provided on wall and slot(19)The identical plate of number(20), plate(20)It is inserted into corresponding slot(19)It is interior, iron core is pacified
Fill seat(18)Mounted on shell(1)On.
10. a kind of contactor for having the function of to switch phase sequence according to claim 1 or 9, it is characterised in that:The iron core
(3)In E fonts, coil is wound on iron core(3)In intermediate a line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810055342.1A CN108242362A (en) | 2018-01-19 | 2018-01-19 | A kind of contactor for having the function of to switch phase sequence |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810055342.1A CN108242362A (en) | 2018-01-19 | 2018-01-19 | A kind of contactor for having the function of to switch phase sequence |
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CN108242362A true CN108242362A (en) | 2018-07-03 |
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ID=62698661
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CN201810055342.1A Pending CN108242362A (en) | 2018-01-19 | 2018-01-19 | A kind of contactor for having the function of to switch phase sequence |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1221146A (en) * | 1958-02-26 | 1960-05-31 | Electric contactor | |
FR1378765A (en) * | 1964-01-08 | 1964-11-13 | Multi-circuit contactor | |
CN2314468Y (en) * | 1997-11-28 | 1999-04-14 | 杨松 | Directional contactor |
CN2342459Y (en) * | 1998-06-23 | 1999-10-06 | 柳州 | AC contactor for controlling motor forword and backword rotation |
CN105589348A (en) * | 2014-11-06 | 2016-05-18 | 洛克威尔自动控制技术股份有限公司 | Single-pole, single current path switching system and method |
CN208111356U (en) * | 2018-01-19 | 2018-11-16 | 武汉金发科技有限公司 | A kind of contactor with switching phase sequence function |
-
2018
- 2018-01-19 CN CN201810055342.1A patent/CN108242362A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1221146A (en) * | 1958-02-26 | 1960-05-31 | Electric contactor | |
FR1378765A (en) * | 1964-01-08 | 1964-11-13 | Multi-circuit contactor | |
CN2314468Y (en) * | 1997-11-28 | 1999-04-14 | 杨松 | Directional contactor |
CN2342459Y (en) * | 1998-06-23 | 1999-10-06 | 柳州 | AC contactor for controlling motor forword and backword rotation |
CN105589348A (en) * | 2014-11-06 | 2016-05-18 | 洛克威尔自动控制技术股份有限公司 | Single-pole, single current path switching system and method |
CN208111356U (en) * | 2018-01-19 | 2018-11-16 | 武汉金发科技有限公司 | A kind of contactor with switching phase sequence function |
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