CN208767227U - Three-phase motor positive and negative rotation control contactor - Google Patents
Three-phase motor positive and negative rotation control contactor Download PDFInfo
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- CN208767227U CN208767227U CN201821687134.5U CN201821687134U CN208767227U CN 208767227 U CN208767227 U CN 208767227U CN 201821687134 U CN201821687134 U CN 201821687134U CN 208767227 U CN208767227 U CN 208767227U
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Abstract
The utility model discloses three-phase motor positive and negative rotation control contactors, including shell, connecting terminal, iron core and coil, it is characterised in that: housing cavity is divided into contact placed cavity and iron core placed cavity by partition；Inlet wire forward contact, inlet wire reverse contact, outlet forward contact, outlet reverse contact and compatible pressure elastic slice are equipped in the placed cavity of contact；It is equipped in iron core placed cavity and rotates forward static iron core, dynamic iron core and reversion static iron core, rotate forward the positive switch coil on static iron core and be equipped with No.1 spring between dynamic iron core, invert the reversion coil on static iron core and be equipped with No. two springs between dynamic iron core；The both ends of upper push-rod are fixedly connected with the locating piece on linkage rack top and dynamic iron core upper end respectively, and the both ends of lower push-rod are fixedly connected with the locating piece of linkage rack lower part and dynamic iron core lower end.The utility model is suitable for controlling the positive and negative rotation of small three-phase motor, and wiring is simple, easy for installation, safe and reliable, reduces labor intensity, improves work efficiency.
Description
Technical field
The utility model relates to a kind of improvement of small three-phase motor positive and inverse control device, specifically a kind of three-phase
Motor positive and inverse control contactor.
Background technique
In industrial production and manufacturing, be frequently utilized that the positive and negative rotation of three-phase motor realize the driven object of motor lifting or
Person is moved forward and backward.In current actual control system, need to realize the positive and negative rotating function of motor, the measure generally taken is to make
With 2 A.C. contactors, the forward and reverse of motor are controlled respectively, avoid 2 contactors in control route while being attracted
Cause short circuit, it is also necessary to increase interlocking line.In main circuit, need the end of incoming cables parallel connection of contactor, leading-out terminal exchanges 2
It is in parallel after phase line, reconnect motor circuit.Disadvantage is that: this control route and main circuit connection are complicated, at high cost,
And it is attracted the security risk for causing short circuit simultaneously there are 2 contactors.
Summary of the invention
It is low in cost the purpose of this utility model is to provide a kind of wiring is simple, it is easy for installation, it is suitable for controlling small-sized
Three-phase motor positive and negative rotation, safe and reliable three-phase motor positive and negative rotation control contactor.
In order to reach the goals above, the technical scheme adopted by the utility model is three-phase motor positive and negative rotation control connects
The front panel of tentaculum, including shell, connecting terminal, iron core and coil, shell is equipped with L1 connecting terminal, L2 connecting terminal, L3
Connecting terminal, T1 connecting terminal, T2 connecting terminal, T3 connecting terminal, A0 connecting terminal, A1 connecting terminal and A2 connecting terminal,
It is characterized by: the housing cavity is divided into contact placed cavity and iron core placed cavity by partition；The contact placed cavity
It is interior to be equipped with L11 inlet wire forward contact, L21 inlet wire forward contact, L31 inlet wire forward contact, L12 inlet wire reverse contact, L22 inlet wire
Reverse contact, L32 inlet wire reverse contact, T11 outlet forward contact, T21 outlet forward contact, T31 outlet forward contact, T12
Outlet reverse contact, T22 outlet reverse contact and T32 outlet reverse contact；The inner cavity right part of the contact placed cavity is equipped with
Linkage rack is fixed with three pressure elastic slices on the middle part cross bar of linkage rack；The top of one pressure elastic slice is being located at L11 inlet wire just
Turn between contact and L12 inlet wire reverse contact, lower part is located between T11 outlet forward contact and T12 outlet reverse contact；It is another
The top of a pressure elastic slice is located between L21 inlet wire forward contact and L22 inlet wire reverse contact, and lower part is located at T21 outlet rotating forward
Between contact and T22 outlet reverse contact；The top of third pressure elastic slice is located at L31 inlet wire forward contact and L32 inlet wire is anti-
Turn between contact, lower part is located between T31 outlet forward contact and T32 outlet reverse contact；L11 inlet wire forward contact and L12
Inlet wire reverse contact is all electrically connected with L1 connecting terminal, L21 inlet wire forward contact and L32 inlet wire reverse contact all with L2 terminals
Son electrical connection, L22 inlet wire reverse contact and L31 inlet wire forward contact are all electrically connected with L3 connecting terminal, T11 outlet forward contact
All be electrically connected with T1 connecting terminal with T12 outlet reverse contact, T21 outlet forward contact and T22 outlet reverse contact all with T2
Connecting terminal electrical connection, T31 outlet forward contact are all electrically connected with T3 connecting terminal with T32 outlet reverse contact；The iron
It is equipped in core placed cavity and rotates forward static iron core, dynamic iron core and reversion static iron core, rotated forward static iron core and reversion static iron core is symmetrical arranged, move
Iron core, which is located at, to be rotated forward between static iron core and reversion static iron core, is rotated forward static iron core and is equipped with positive switch coil, reversion static iron core is equipped with
Coil is inverted, No.1 spring is equipped between positive switch coil and dynamic iron core, inverts and is equipped with No. two springs between coil and dynamic iron core；Institute
Two terminals of the positive switch coil stated are electrically connected with A0 connecting terminal and A1 connecting terminal respectively, invert two wiring of coil
End is electrically connected with A0 connecting terminal and A2 connecting terminal respectively；The upper/lower terminal of the dynamic iron core is fixed with positioning respectively
Block, the left end of upper push-rod are fixedly connected with the top of linkage rack, the right end of upper push-rod and the fixed company of the locating piece of dynamic iron core upper end
It connects, the left end of lower push-rod is fixedly connected with the lower part of linkage rack, the right end of lower push-rod and the fixed company of the locating piece of dynamic iron core lower end
It connects.
It is solid that the inlet wire forward contact fixed link being parallel to each other, inlet wire reverse contact are fixed in the contact placed cavity
Fixed pole, outlet forward contact fixed link and outlet reverse contact fixed link, be fixed in inlet wire forward contact fixed link L11 into
Line forward contact, L21 inlet wire forward contact and L31 inlet wire forward contact, be fixed in inlet wire reverse contact fixed link L12 into
Line reverse contact, L22 inlet wire reverse contact and L32 inlet wire reverse contact are fixed with T11 in outlet forward contact fixed link and go out
Line forward contact, T21 outlet forward contact and T31 outlet forward contact are fixed with T12 in outlet reverse contact fixed link and go out
Line reverse contact, T22 outlet reverse contact and T32 outlet reverse contact.
The L11 inlet wire forward contact and L12 inlet wire reverse contact are symmetrical, L21 inlet wire forward contact and L22 into
Line reverse contact is symmetrical, and L31 inlet wire forward contact and L32 inlet wire reverse contact are symmetrical, T11 outlet forward contact with
T12 outlet reverse contact is symmetrical, and T21 outlet forward contact and T22 outlet reverse contact are symmetrical, and T31 outlet rotates forward
Contact and T32 outlet reverse contact are symmetrical.
The upper push-rod is arranged in the sliding slot at the top of iron core placed cavity, and iron core placed cavity bottom is arranged in lower push-rod
In sliding slot.
There are three the upper push-rod is set, three upper push-rods are parallel to each other, and there are three lower push-rod is set, three lower push-rods are mutual
In parallel.
The rear panel of the shell is equipped with card slot.
The utility model has the beneficial effects that: wiring is simple, and it is low in cost, it is easy for installation, it is suitable for control small-sized three
The positive and negative rotation of phase motor, safe and reliable, it is time saving and energy saving to operate, and reduces labor intensity, improves work efficiency.
Detailed description of the invention
Fig. 1 is the structure of the main view of the utility model.
Fig. 2 is the structure left view schematic diagram of the utility model.
Fig. 3 is the schematic structural cross-sectional view of A-A along Fig. 2 of the utility model.
Fig. 4 is the schematic structural cross-sectional view of B-B along Fig. 2 of the utility model
Fig. 5 is the positive switch coil of the utility model and the wiring diagram of reversion coil.
Fig. 6 is the contact of the utility model and the linkage schematic diagram of pressure elastic slice.
In figure: 1, shell；2, card slot；3, contact placed cavity；4, iron core placed cavity；5, static iron core is rotated forward；6, dynamic iron core；7,
Invert static iron core；8, positive switch coil；9, coil is inverted；10, No.1 spring；11, No. two springs；12, linkage rack；13, inlet wire is being just
Turn contact fixed link；14, inlet wire reverse contact fixed link；15, outlet forward contact fixed link；16, outlet reverse contact is fixed
Bar；17, pressure elastic slice；18, upper push-rod；19, lower push-rod；20, locating piece.
Specific embodiment
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 make the utility model.The three-phase motor positive and negative rotation control contactor,
Including shell 1, connecting terminal, iron core and coil, the front panel of shell 1 is equipped with L1 connecting terminal, L2 connecting terminal, L3 wiring
Terminal, T1 connecting terminal, T2 connecting terminal, T3 connecting terminal, A0 connecting terminal, A1 connecting terminal and A2 connecting terminal, it is special
Sign is: 1 inner cavity of shell is divided into contact placed cavity 3 and iron core placed cavity 4 by partition；The contact placed cavity 3
It is interior to be equipped with L11 inlet wire forward contact, L21 inlet wire forward contact, L31 inlet wire forward contact, L12 inlet wire reverse contact, L22 inlet wire
Reverse contact, L32 inlet wire reverse contact, T11 outlet forward contact, T21 outlet forward contact, T31 outlet forward contact, T12
Outlet reverse contact, T22 outlet reverse contact and T32 outlet reverse contact；The inner cavity right part of the contact placed cavity 3 is equipped with
Linkage rack 12 is fixed with three pressure elastic slices 17 on the middle part cross bar of linkage rack 12；The top of one pressure elastic slice 17 is located at
Between L11 inlet wire forward contact and L12 inlet wire reverse contact, lower part is located at T11 outlet forward contact and T12 outlet reverse contact
Between；The top of another pressure elastic slice 17 is located between L21 inlet wire forward contact and L22 inlet wire reverse contact, and lower part is located at
Between T21 outlet forward contact and T22 outlet reverse contact；The top of third pressure elastic slice 17 is located at L31 inlet wire and rotates forward touching
Between point and L32 inlet wire reverse contact, lower part is located between T31 outlet forward contact and T32 outlet reverse contact；L11 inlet wire
Forward contact is all electrically connected with L1 connecting terminal with L12 inlet wire reverse contact, L21 inlet wire forward contact and the reversion touching of L32 inlet wire
Point is all electrically connected with L2 connecting terminal, and L22 inlet wire reverse contact and L31 inlet wire forward contact are all electrically connected with L3 connecting terminal,
T11 outlet forward contact and T12 outlet reverse contact are all electrically connected with T1 connecting terminal, T21 outlet forward contact and T22 outlet
Reverse contact is all electrically connected with T2 connecting terminal, and T31 outlet forward contact and T32 outlet reverse contact are all electric with T3 connecting terminal
Connection；It is equipped in the iron core placed cavity 4 and rotates forward static iron core 5, dynamic iron core 6 and reversion static iron core 7, rotate forward static iron core 5 and anti-
Turn static iron core 7 to be symmetrical arranged, dynamic iron core 6, which is located at, to be rotated forward between static iron core 5 and reversion static iron core 7, is rotated forward static iron core 5 and is equipped with just
Switch coil 8, reversion static iron core 7 are equipped with reversion coil 9, and No.1 spring 10, reversion are equipped between positive switch coil 8 and dynamic iron core 6
No. two springs 11 are equipped between coil 9 and dynamic iron core 6；Two terminals of the positive switch coil 8 respectively with A0 connecting terminal
It is electrically connected with A1 connecting terminal, two terminals of reversion coil 9 are electrically connected with A0 connecting terminal and A2 connecting terminal respectively；Institute
The upper/lower terminal for the dynamic iron core 6 stated is fixed with locating piece 20 respectively, and the left end of upper push-rod 18 and the top of linkage rack 12 are fixed
Connection, the right end of upper push-rod 18 are fixedly connected with the locating piece 20 of 6 upper end of dynamic iron core, left end and the linkage rack 12 of lower push-rod 19
Lower part is fixedly connected, and the right end of lower push-rod 19 is fixedly connected with the locating piece of 6 lower end of dynamic iron core.
The inlet wire forward contact fixed link 13 being parallel to each other, inlet wire reversion touching are fixed in the contact placed cavity 3
Point fixed link 14, outlet forward contact fixed link 15 and outlet reverse contact fixed link 16, in inlet wire forward contact fixed link 13
It is fixed with L11 inlet wire forward contact, L21 inlet wire forward contact and L31 inlet wire forward contact, inlet wire reverse contact fixed link 14
On be fixed with L12 inlet wire reverse contact, L22 inlet wire reverse contact and L32 inlet wire reverse contact, outlet forward contact fixed link
T11 outlet forward contact, T21 outlet forward contact and T31 outlet forward contact, outlet reverse contact is fixed on 15 to fix
T12 outlet reverse contact, T22 outlet reverse contact and T32 outlet reverse contact are fixed on bar 16.
The L11 inlet wire forward contact and L12 inlet wire reverse contact are symmetrical, L21 inlet wire forward contact and L22 into
Line reverse contact is symmetrical, and L31 inlet wire forward contact and L32 inlet wire reverse contact are symmetrical, T11 outlet forward contact with
T12 outlet reverse contact is symmetrical, and T21 outlet forward contact and T22 outlet reverse contact are symmetrical, and T31 outlet rotates forward
Contact and T32 outlet reverse contact are symmetrical.
The upper push-rod 18 is arranged in the sliding slot at 4 top of iron core placed cavity, and lower push-rod 19 is arranged in iron core placed cavity 4
In the sliding slot of bottom.
There are three the upper push-rod 18 is set, three upper push-rods 18 are parallel to each other, and there are three lower push-rod 19 is set, push away under three
Bar 19 is parallel to each other, to increase the mobile stability of linkage rack 12.
The rear panel of the shell 1 is equipped with card slot 2, and to be fixed on the guide rail of power distribution cabinet, shell 1 is by insulation material
Material is made, and pressure elastic slice 17 is the good copper sheet of electric conductivity.
When using the utility model, the card slot 2 of 1 rear panel of shell is fixed on the guide rail of distribution board, L1 connecting terminal,
L2 connecting terminal and L3 connecting terminal connect three phase mains respectively, and T1 connecting terminal, T2 connecting terminal and T3 connecting terminal connect respectively
Three-phase motor, A0 connecting terminal connect the common end of the control route of PLC control cabinet, and A1 connecting terminal connects the control of PLC control cabinet
The rotating forward signal end of route, A2 connecting terminal connect the reverse signal end of the control route of PLC control cabinet.PLC control cabinet controls A1
After connecting terminal and A0 connecting terminal are powered, positive switch coil 8 is powered, and generates electromagnetic attraction, dynamic iron core 6 is attracted, dynamic iron core 6 to
It moves left, compresses No.1 spring 10, dynamic iron core 6 drives upper push-rod 18 and lower push-rod 19 to be moved to the left, upper push-rod 18 and lower push-rod
19 push linkage rack 12 to the left, and linkage rack 12 drives three pressure elastic slices 17 to be moved to the left, makes L11 inlet wire forward contact and T11
The conducting of outlet forward contact, L21 inlet wire forward contact and the conducting of T21 outlet forward contact, L31 inlet wire forward contact and T31 go out
The conducting of line forward contact, three-phase motor rotates forward at this time；After PLC control cabinet controls A2 connecting terminal and A0 connecting terminal is powered,
It inverts coil 9 to be powered, generates electromagnetic attraction, dynamic iron core 6 is attracted, dynamic iron core 6 moves right, and compresses No. two springs 11, moves iron
Core 6 drives upper push-rod 18 and lower push-rod 19 to move right, and upper push-rod 18 and lower push-rod 19 push to the right linkage rack 12, linkage rack 12
It drives three pressure elastic slices 17 to move right, L12 inlet wire reverse contact and T12 outlet reverse contact is connected, the reversion of L22 inlet wire
Contact and the conducting of T22 outlet reverse contact, L32 inlet wire reverse contact and the conducting of T32 outlet reverse contact, three-phase motor is anti-at this time
Turn.
Claims (5)
1. three-phase motor positive and negative rotation control contactor, including shell (1), connecting terminal, iron core and coil, before shell (1)
Plate is equipped with L1 connecting terminal, L2 connecting terminal, L3 connecting terminal, T1 connecting terminal, T2 connecting terminal, T3 connecting terminal, A0
Connecting terminal, A1 connecting terminal and A2 connecting terminal, it is characterised in that: described shell (1) inner cavity is divided into contact by partition
Placed cavity (3) and iron core placed cavity (4)；L11 inlet wire forward contact is equipped in the contact placed cavity (3), L21 inlet wire rotates forward
Contact, L31 inlet wire forward contact, L12 inlet wire reverse contact, L22 inlet wire reverse contact, L32 inlet wire reverse contact, T11 outlet
Forward contact, T21 outlet forward contact, T31 outlet forward contact, T12 outlet reverse contact, T22 outlet reverse contact and T32
Outlet reverse contact；The inner cavity right part of the contact placed cavity (3) is equipped with linkage rack (12), the middle part cross bar of linkage rack (12)
On be fixed with three pressure elastic slices (17)；The top of one pressure elastic slice (17) is located at L11 inlet wire forward contact and L12 inlet wire
Between reverse contact, lower part is located between T11 outlet forward contact and T12 outlet reverse contact；Another pressure elastic slice (17)
Top be located between L21 inlet wire forward contact and L22 inlet wire reverse contact, lower part is located at T21 outlet forward contact and goes out with T22
Between line reverse contact；The top of third pressure elastic slice (17) be located at L31 inlet wire forward contact and L32 inlet wire reverse contact it
Between, lower part is located between T31 outlet forward contact and T32 outlet reverse contact；L11 inlet wire forward contact and L12 inlet wire invert
Contact is all electrically connected with L1 connecting terminal, and L21 inlet wire forward contact and L32 inlet wire reverse contact are all electrically connected with L2 connecting terminal
It connects, L22 inlet wire reverse contact and L31 inlet wire forward contact are all electrically connected with L3 connecting terminal, T11 outlet forward contact and T12
Outlet reverse contact is all electrically connected with T1 connecting terminal, T21 outlet forward contact and T22 outlet reverse contact all with T2 terminals
Son electrical connection, T31 outlet forward contact are all electrically connected with T3 connecting terminal with T32 outlet reverse contact；The iron core is placed
It is equipped in chamber (4) and rotates forward static iron core (5), dynamic iron core (6) and reversion static iron core (7), rotate forward static iron core (5) and reversion static iron core
(7) it is symmetrical arranged, dynamic iron core (6), which is located at, to be rotated forward between static iron core (5) and reversion static iron core (7), is rotated forward static iron core (5) and is equipped with
Positive switch coil (8), reversion static iron core (7) are equipped with reversion coil (9), and No.1 is equipped between positive switch coil (8) and dynamic iron core (6)
Spring (10) inverts and is equipped with No. two springs (11) between coil (9) and dynamic iron core (6)；Two of the positive switch coil (8) connect
Line end is electrically connected with A0 connecting terminal and A1 connecting terminal respectively, invert coil (9) two terminals respectively with A0 terminals
Son and the electrical connection of A2 connecting terminal；The upper/lower terminal of the dynamic iron core (6) is fixed with locating piece (20), upper push-rod respectively
(18) left end is fixedly connected with the top of linkage rack (12), the right end of upper push-rod (18) and the locating piece of dynamic iron core (6) upper end
(20) it is fixedly connected, the left end of lower push-rod (19) is fixedly connected with the lower part of linkage rack (12), the right end of lower push-rod (19) and dynamic
The locating piece of iron core (6) lower end is fixedly connected.
2. three-phase motor positive and negative rotation control contactor according to claim 1, it is characterised in that: the contact placed cavity
(3) the inlet wire forward contact fixed link (13), inlet wire reverse contact fixed link (14), outlet being parallel to each other is fixed in rotate forward
Contact fixed link (15) and outlet reverse contact fixed link (16), be fixed in inlet wire forward contact fixed link (13) L11 into
Line forward contact, L21 inlet wire forward contact and L31 inlet wire forward contact are fixed in inlet wire reverse contact fixed link (14)
L12 inlet wire reverse contact, L22 inlet wire reverse contact and L32 inlet wire reverse contact, it is fixed in outlet forward contact fixed link (15)
Equipped with T11 outlet forward contact, T21 outlet forward contact and T31 outlet forward contact, in outlet reverse contact fixed link (16)
It is fixed with T12 outlet reverse contact, T22 outlet reverse contact and T32 outlet reverse contact.
3. three-phase motor positive and negative rotation control contactor according to claim 1, it is characterised in that: the L11 inlet wire is just
Turn contact and L12 inlet wire reverse contact is symmetrical, L21 inlet wire forward contact and L22 inlet wire reverse contact are symmetrical, L31
Inlet wire forward contact and L32 inlet wire reverse contact are symmetrical, and T11 outlet forward contact and T12 outlet reverse contact are mutually right
Claim, T21 outlet forward contact and T22 outlet reverse contact are symmetrical, T31 outlet forward contact and T32 outlet reverse contact
Symmetrically.
4. three-phase motor positive and negative rotation control contactor according to claim 1, it is characterised in that: the upper push-rod (18)
It is arranged in the sliding slot at the top of iron core placed cavity (4), lower push-rod (19) is arranged in the sliding slot of iron core placed cavity (4) bottom.
5. three-phase motor positive and negative rotation control contactor according to claim 1, it is characterised in that: the shell (1)
Rear panel is equipped with card slot (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821687134.5U CN208767227U (en) | 2018-10-18 | 2018-10-18 | Three-phase motor positive and negative rotation control contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821687134.5U CN208767227U (en) | 2018-10-18 | 2018-10-18 | Three-phase motor positive and negative rotation control contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208767227U true CN208767227U (en) | 2019-04-19 |
Family
ID=66137454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821687134.5U Active CN208767227U (en) | 2018-10-18 | 2018-10-18 | Three-phase motor positive and negative rotation control contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208767227U (en) |
-
2018
- 2018-10-18 CN CN201821687134.5U patent/CN208767227U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |