CN109686618A - A kind of three-phase alternating current conversion contactor of double-breakpoint structure - Google Patents
A kind of three-phase alternating current conversion contactor of double-breakpoint structure Download PDFInfo
- Publication number
- CN109686618A CN109686618A CN201811526254.1A CN201811526254A CN109686618A CN 109686618 A CN109686618 A CN 109686618A CN 201811526254 A CN201811526254 A CN 201811526254A CN 109686618 A CN109686618 A CN 109686618A
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- CN
- China
- Prior art keywords
- contact
- binding post
- electromagnet
- double
- calotte
- 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.)
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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
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/002—Details of electromagnetic relays particular to three-phase electromagnetic relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Contacts (AREA)
Abstract
The invention discloses a kind of three-phase alternating current conversion contactors of double-breakpoint structure, including electromagnet, mounting plate, binding post A, calotte, core bar, binding post B, moving contact A, moving contact B, seat board, the mounting plate is mounted on seat board lower part, calotte is mounted on seat board top, the binding post A and binding post B are installed on calotte, the electromagnet shares two pieces, and two blocks of electromagnet are separately mounted to mounting plate lower part, and iron core is equipped between electromagnet.For the present invention by using the contact of solenoid controlled contactor, contact force is big, is not likely to produce adhesion, anti-vibration and strong shock resistance, using double-breakpoint structure, distance is big between contact chip, and it is isolated with calotte, it is not likely to produce phase fault, the high reliablity of product, while auxiliary contact are designed as multipath conversion, transmission, transmitting electric signal can be synchronized, it omits separately to set and executes component switching switch, using non-tight structure, later maintenance of being more convenient for.
Description
Technical field
The invention belongs to a kind of conversions of the three-phase alternating current of three-phase alternating current conversion contactor field more particularly to double-breakpoint structure
Contactor.
Background technique
Contactor be widely used in the power control systems such as Aeronautics and Astronautics, ship cut-off and handoff functionality.Traditional three
Intersection stream conversion contactor mostly uses balanced force structure, is converted by reed, the easy adhesion in contact, and reed is easily broken,
Normally-closed contact is transformed into normally opened contact using single-break simultaneously, is closer between contact, Yi Fasheng phase fault, influences
The normal operation of equipment, and contactor mostly uses sealing structure to be not easy to repair, such as application No. is 201020055020.6
Chinese patent discloses a kind of balance force type sealed three-phase alternating-current magnetic latching contactor, belongs to sealed three-phase alternating-current contactor, will
Ceramic tube, bolt, bushing, connector and bottom plate erection welding constitute pedestal；After bracket and pole shoe are welded, it is reloaded into
Magnet steel and coil constitute magnetic circuit system；Armature part, impeller and magnetic circuit system are assembled, then by assembly and pedestal
It is assembled, splitter and bolt is attached with fastening screw, connected spring assembly, coil and connector with conducting wire
It connects, then arc insulating cover and assembly is assembled, be packed into housing, fastened with fastening screw, soldering sealing, this application is in work
When making, by being converted by reed, the easy adhesion in contact, and reed is easily broken, service life is lower, poor reliability, with
The continuous promotion of modernization of national defense needs and weaponry ability, new-type weapon and equipment is to contactor class switching device
Requirement it is also higher and higher, traditional contactor cannot fully meet new-type weapon and equipment requirement.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of three-phase alternating current conversion contactor of double-breakpoint structure,
Have the characteristics that life time is long, overload current is big, anti-vibration and strong shock resistance, design margin are big, improves as holding
The service life and reliability of row device or main power source switching device.
The present invention is achieved by the following technical programs.
A kind of three-phase alternating current conversion contactor of double-breakpoint structure provided by the invention, including electromagnet, mounting plate, wiring
Column A, calotte, core bar, binding post B, moving contact A, moving contact B, seat board, the mounting plate are mounted on seat board lower part, calotte installation
On seat board top, the binding post A and binding post B are installed on calotte, and the electromagnet shares two pieces, two blocks of electromagnet point
It is not mounted on mounting plate lower part, and is equipped with iron core between electromagnet, the core bar is slidably connected with seat board, core bar lower end and iron core
Connection, moving contact A and moving contact B are separately mounted to core bar upper end, and touch spring is equipped between moving contact A and moving contact B.
The moving contact A and moving contact B are made of washer and movable contact, and washer is sleeved on core bar, and on core bar
Lower both ends are equipped with retaining ring, and movable contact is separately mounted to washer two sides.
The seat board is equipped with normally-closed contact and normally opened contact, and the normally-closed contact is located at the top moving contact A, and normally closed touching
Point is connect with binding post B, and the normally opened contact is located at the lower part moving contact B, and normally opened contact is connect with binding post A.
Magnetic pole is equipped between the electromagnet, the magnetic pole is mounted on electromagnet lower part, and passes through return spring and iron core
Connection.
The seat board is equipped with auxiliary contact, and core bar is equipped with auxiliary contact, and the auxiliary contact is located at auxiliary contact top,
And auxiliary contact are connect by conducting wire with the binding post C on seat board.
There are four the auxiliary contact are total, and at least one in four auxiliary contact is normally closed auxiliary contact.
The electromagnet is mutually connected, and is connect with binding post C, and normally closed auxiliary contact is connected in parallel on one of electricity
Magnet both ends.
The binding post A and binding post B has 6, and A points of two rows of binding post are mounted on calotte top, binding post B points of two rows
It is mounted on calotte lower part, and is equipped with baffle between adjacent binding post A or binding post B.
It further include protection plug, the protection plug is mounted on calotte top.
The beneficial effects of the present invention are: by using the contact of solenoid controlled contactor, contact force is big, is not easy
Generate adhesion, anti-vibration and strong shock resistance, using double-breakpoint structure, distance is big between contact chip, and with calotte carry out every
From, be not likely to produce phase fault, the high reliablity of product, while auxiliary contact are designed as multipath conversion, can synchronize transmission, transmitting
Electric signal omits and separately sets execution component switching switch, using non-tight structure, later maintenance of being more convenient for, while using double electric
Magnet can reduce the electric current of coil after contactor starting, reduce fever, improve the service life of contactor.
Detailed description of the invention
Fig. 1 is left cross-sectional view of the invention；
Fig. 2 is main sectional view figure of the invention；
Fig. 3 is top view of the invention；
Fig. 4 is that the present invention removes the top view after calotte；
Fig. 5 is left view of the invention；
Fig. 6 is the connection schematic diagram of electromagnet and auxiliary contact；
In figure: 1- electromagnet, 2- mounting plate, 3- binding post A, 4- calotte, 5- core bar, 6- binding post B, 7- protection plug, 8-
Washer, 9- touch spring, 10- moving contact A, 11- moving contact B, 12- seat board, 13- iron core, 14- return spring, 15- conducting wire, 16-
Auxiliary contact, 17- magnetic pole, 18- movable contact, 19- normally-closed contact, 20- normally opened contact, 21- auxiliary contact, 22- binding post C, 23-
Baffle.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
As shown in Figures 1 to 6, the three-phase alternating current conversion contactor of a kind of double-breakpoint structure, including electromagnet 1, mounting plate
2, binding post A3, calotte 4, core bar 5, binding post B6, moving contact A10, moving contact B11, seat board 12, the mounting plate 2 are mounted on
12 lower part of seat board, calotte 4 are mounted on 12 top of seat board, and the binding post A3 and binding post B6 are installed on calotte 4, the electricity
Magnet 1 shares two pieces, and two blocks of electromagnet 1 are separately mounted to 2 lower part of mounting plate, and iron core 13, the heart are equipped between electromagnet 1
Bar 5 is slidably connected with seat board 12, and 5 lower end of core bar is connect with iron core 13, and moving contact A10 and moving contact B11 are separately mounted to core bar 5
Upper end is equipped with touch spring 9 between moving contact A10 and moving contact B11.
After being powered to electromagnet 1, the magnetic flux that electromagnet 1 generates is through iron core 13, iron core 13 and 17 the air gap of magnetic pole, magnetic
Pole 17, electromagnet 1 are formed into a loop, and electromagnet 1 generates a very big magnetic potential, and iron core 13 is under this magnetic potential to 17 direction of magnetic pole
Movement drives core bar 5 to move together, while driving moving contact A10, and moving contact B11, auxiliary contact 21 move down, and work as iron core
13 move at magnetic pole 17 after fitting, and moving contact B11 will be connected between normally opened contact 20, while moving contact A10 leaves normally closed touching
Point 19 makes the separated of normally-closed contact 19, while the disconnection and closure of auxiliary contact 16, such as Fig. 6 are controlled by auxiliary contact 21
Shown, when contactor just starts, control electric current is only flowed through from one of electromagnet 1, under the drive of auxiliary contact 21, often
Auxiliary contact disconnection is closed, electric current flows successively through two blocks of electromagnet 1 at this time, to reduce control electric current, reduces the hair of electromagnet 1
Heat improves the reliability of contactor.
The moving contact A10 and moving contact B11 are made of washer 8 and movable contact 18, and washer 8 is sleeved on core bar 5,
And 5 upper and lower ends of core bar are equipped with retaining ring, movable contact 18 is separately mounted to 8 two sides of washer, when core bar 5 declines, drives dynamic touching
Head A10 and moving contact B11 decline, under the action of retaining ring, moving contact A10 is pressed down against moving contact B11 by touch spring 9
Normally opened contact 20 makes to be switched between normally opened contact 20, makes to be switched between binding post B6, move by washer 8 and movable contact 18
There are two contacts by contact A10 and moving contact B11, and tool improves arc quenching effect there are two effective arc extinguishing region, and passes through electromagnetism
1 control contactor contact of iron switches on and off, and electric current conversion is converted by contact, and contact is squeezed by touch spring 9, contact
Pressure is big, is not likely to produce adhesion, and anti-vibration and strong shock resistance.
The seat board 12 is equipped with normally-closed contact 19 and normally opened contact 20, and the normally-closed contact 19 is located on moving contact A10
Portion, and normally-closed contact 19 is connect with binding post B6, the normally opened contact 20 are located at the lower part moving contact B11, and normally opened contact 20 with
Binding post A3 connection, when not having to control electric current, under the action of return spring 14, core bar 5 obtains upward elastic force, makes touching
Head A10 is contacted with normally-closed contact 19, is made to be switched between normally-closed contact 19, is made to keep connected state between binding post A3.
Magnetic pole 17 is equipped between the electromagnet 1, the magnetic pole 17 is mounted on 1 lower part of electromagnet, and passes through return spring
14 connect with iron core 13, and in the case where controlling the function of current, magnetic pole 17 has magnetism, attract iron core 13, move down iron core 13.
The seat board 12 is equipped with auxiliary contact 16, and core bar 5 is equipped with auxiliary contact 21, and the auxiliary contact 21 is located at auxiliary
16 top of contact, and auxiliary contact 16 are connect by conducting wire 15 with the binding post C22 on seat board 12, in contactor conversion, are led to
It crosses auxiliary contact 16 and synchronizes transmission, transmitting electric signal, omit the another execution component that sets and switch switch.
There are four the auxiliary contact 16 are total, and at least one in four auxiliary contact 16 is normally closed auxiliary contact, is led to
Normally closed auxiliary contact is crossed to control electromagnet 1, makes electromagnet 1 after powered up, after disconnecting normally closed auxiliary contact, two blocks of electromagnet
It can connect, reduce the fever of electromagnet 1.
As shown in fig. 6, the electromagnet 1 is mutually connected, and it is connect with binding post C22, and normally closed auxiliary contact is simultaneously
One of 1 both ends of electromagnet are associated in, when contactor just starts, control electric current is only flowed through from one of electromagnet 1, auxiliary
It helps under the drive of contact 21, normally closed auxiliary contact disconnects, and electric current flows successively through two blocks of electromagnet 1 at this time, to reduce control electricity
Stream reduces the fever of electromagnet 1, improves the reliability of contactor.
The binding post A3 and binding post B6 has 6, and A3 points of two rows of binding post are mounted on 4 top of calotte, binding post B6
Point two rows are mounted on 4 lower part of calotte, and baffle 23 is equipped between adjacent binding post A3 or binding post B6, by baffle 23, prevent
It is only short-circuit between each binding post, guarantee the safety of contactor and electrical equipment.
It further include protection plug 7, the protection plug 7 is mounted on 4 top of calotte, and protection plug 7 is equipped with multiple fabrication holes, side above
Just assemble and debug contactor.
Claims (9)
1. a kind of three-phase alternating current conversion contactor of double-breakpoint structure, it is characterised in that: including electromagnet (1), mounting plate (2),
Binding post A (3), calotte (4), core bar (5), binding post B (6), moving contact A (10), moving contact B (11), seat board (12), the peace
Loading board (2) is mounted on seat board (12) lower part, and calotte (4) is mounted on seat board (12) top；The binding post A (3) and binding post B
(6) it is installed on calotte (4)；The electromagnet (1) shares two pieces, and two pieces of electromagnet (1) are separately mounted under mounting plate (2)
Portion, and iron core (13) are equipped between electromagnet (1)；The core bar (5) is slidably connected with seat board (12), core bar (5) lower end and iron
The heart (13) connection, moving contact A (10) and moving contact B (11) are separately mounted to core bar (5) upper end, moving contact A (10) and moving contact B
(11) touch spring (9) are equipped between.
2. a kind of three-phase alternating current conversion contactor of double-breakpoint structure as described in claim 1, it is characterised in that: the dynamic touching
Head A (10) and moving contact B (11) are made of washer (8) and movable contact (18), and washer (8) is sleeved on core bar (5), and the heart
Bar (5) upper and lower ends are equipped with retaining ring, and movable contact (18) is separately mounted to washer (8) two sides.
3. a kind of three-phase alternating current conversion contactor of double-breakpoint structure as described in claim 1, it is characterised in that: the seat board
(12) it is equipped with normally-closed contact (19) and normally opened contact (20), the normally-closed contact (19) is located at moving contact A (10) top, and often
Closed contact (19) is connect with binding post B (6), and the normally opened contact (20) is located at moving contact B (11) lower part, and normally opened contact (20)
It is connect with binding post A (3).
4. a kind of three-phase alternating current conversion contactor of double-breakpoint structure as described in claim 1, it is characterised in that: the electromagnetism
Magnetic pole (17) are equipped between iron (1), the magnetic pole (17) is mounted on electromagnet (1) lower part, and passes through return spring (14) and iron
The heart (13) connection.
5. a kind of three-phase alternating current conversion contactor of double-breakpoint structure as described in claim 1, it is characterised in that: the seat board
(12) auxiliary contact (16) are equipped with, core bar (5) is equipped with auxiliary contact (21), and the auxiliary contact (21) is located at auxiliary contact
(16) top, and auxiliary contact (16) are connect by conducting wire (15) with the binding post C (22) on seat board (12).
6. a kind of three-phase alternating current conversion contactor of double-breakpoint structure as claimed in claim 5, it is characterised in that: the auxiliary
There are four contact (16) is total, and at least one in four auxiliary contact (16) is normally closed auxiliary contact.
7. a kind of three-phase alternating current conversion contactor of double-breakpoint structure as described in claim 1, it is characterised in that: the electromagnetism
Iron (1) is mutually connected, and is connect with binding post C (22), and normally closed auxiliary contact is connected in parallel on one of electromagnet (1) two
End.
8. a kind of three-phase alternating current conversion contactor of double-breakpoint structure as described in claim 1, it is characterised in that: the wiring
Column A (3) and binding post B (6) has 6, and binding post A (3) point two rows are mounted on calotte (4) top, binding post B (6) points of two rows
It is mounted on calotte (4) lower part, and is equipped with baffle (23) between adjacent binding post A (3) or binding post B (6).
9. a kind of three-phase alternating current conversion contactor of double-breakpoint structure as described in claim 1, it is characterised in that: further include protecting
Shield plug (7), the protection plug (7) are mounted on calotte (4) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811526254.1A CN109686618A (en) | 2018-12-13 | 2018-12-13 | A kind of three-phase alternating current conversion contactor of double-breakpoint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811526254.1A CN109686618A (en) | 2018-12-13 | 2018-12-13 | A kind of three-phase alternating current conversion contactor of double-breakpoint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109686618A true CN109686618A (en) | 2019-04-26 |
Family
ID=66187750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811526254.1A Pending CN109686618A (en) | 2018-12-13 | 2018-12-13 | A kind of three-phase alternating current conversion contactor of double-breakpoint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686618A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2586325A1 (en) * | 1985-08-16 | 1987-02-20 | Telemecanique Electrique | INVERTER SWITCH, ESPECIALLY FOR CONTROLLING A TWO-WAY ELECTRIC MOTOR |
| JP2000251600A (en) * | 1999-02-25 | 2000-09-14 | Nec Yamagata Ltd | Mechanical failure detecting device for magnet conductor and mechanical failure detecting method |
| CN2705881Y (en) * | 2004-04-23 | 2005-06-22 | 邹德 | Seal DC contactor |
| CN201000864Y (en) * | 2007-01-15 | 2008-01-02 | 陈守约 | Reversing DC contactor |
| CN107978489A (en) * | 2017-11-07 | 2018-05-01 | 华为技术有限公司 | A kind of double-coil contactor and circuit control system |
-
2018
- 2018-12-13 CN CN201811526254.1A patent/CN109686618A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2586325A1 (en) * | 1985-08-16 | 1987-02-20 | Telemecanique Electrique | INVERTER SWITCH, ESPECIALLY FOR CONTROLLING A TWO-WAY ELECTRIC MOTOR |
| JP2000251600A (en) * | 1999-02-25 | 2000-09-14 | Nec Yamagata Ltd | Mechanical failure detecting device for magnet conductor and mechanical failure detecting method |
| CN2705881Y (en) * | 2004-04-23 | 2005-06-22 | 邹德 | Seal DC contactor |
| CN201000864Y (en) * | 2007-01-15 | 2008-01-02 | 陈守约 | Reversing DC contactor |
| CN107978489A (en) * | 2017-11-07 | 2018-05-01 | 华为技术有限公司 | A kind of double-coil contactor and circuit control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |
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| RJ01 | Rejection of invention patent application after publication |