CN103956283B - A kind of interlock for contactor - Google Patents
A kind of interlock for contactor Download PDFInfo
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- CN103956283B CN103956283B CN201410112979.1A CN201410112979A CN103956283B CN 103956283 B CN103956283 B CN 103956283B CN 201410112979 A CN201410112979 A CN 201410112979A CN 103956283 B CN103956283 B CN 103956283B
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- contactor
- seesaw
- interlock
- clappers
- support
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Abstract
The invention discloses a kind of interlock for contactor, the interlock includes seesaw, support and resilient retention features, the seesaw and the support constitute by an active connection leverage, the resilient retention features are respectively provided between described seesaw two and the support, using technical scheme, after a contactor energization adhesive, when being powered to another contactor, this contactor can not close a floodgate；But when two contactors are in gate-dividing state simultaneously, it is powered to wherein any one contactor, the combined floodgate of electrical contact device can be realized；And the interlock interlock mode in its technical solution of the present invention is Purely mechanical, does not have the auxiliary of electrical interlocks, its suction-combining force is strong, simple structure and be easy to operating personnel to assemble.
Description
Technical field：
The invention belongs to electrical engineering and field of mechanical technique, and in particular to carry out machine in a kind of power system between contactor
A kind of device of tool interlocking.
Background technology
In Electric control loop, a kind of situation is occasionally there are：One power on circuitry, another circuit can not definitely lead to
Electricity, such as two electrical equipments can not be opened simultaneously.Also a kind of situation, in the case where two circuits are powered off, wherein appointing
One power on circuitry of meaning, another circuit can not definitely be powered.In above-mentioned two situations, it is desirable to controlling two circuits
Switch can not be also turned on, i.e., one switch close a floodgate when, another switch must separating brake or cannot realize combined floodgate.And realize
This function is necessary for purely mechanic mode, it is impossible to realized by normally-open normally-close point by electrical means.However, realizing above-mentioned functions
In the prior art, to contactor stroke, the reset of clappers and mounting means have very big limitation, and structure is general more
Complexity, causes that cabinet design size is larger in application process, is brought to operating personnel in installation process in assembling not
Just.
Contactor is a kind of switching device, and its Main Function is to turn on and disconnecting circuit, so as to control to be born on related circuit
The work of load.Vacuum contactor closes a floodgate, the operation principle of separating brake is as follows：When being powered to contactor closing coil, electromagnetism is produced
Power, by the armature of contactor to the adhesive of iron core direction, after armature is with iron core adhesive, with regard to shape between armature, iron core and yoke
Into a magnetic loop for closure, "on" position is maintained.When contactor separating brake, the electricity of closing coil is disconnected, closed a floodgate
When the tripping spring that compresses will discharge elastic potential energy, make contactor separating brake.
The content of the invention：
To solve the above problems, the present invention provides a kind of interlock for contactor, between realizing two contactors
Mechanical interlocked, its suction-combining force is strong, simple structure is easy to operating personnel to assemble.
The technical scheme is that：A kind of interlock for contactor, the interlock includes seesaw, support
And resilient retention features, the seesaw and the support constitute by an active connection leverage, the seesaw two ends and the branch
The resilient retention features are respectively provided between frame, the leverage is protected in the case where contactor is not operating by the elasticity
Holding part effect makes seesaw keep poised state.
A kind of described interlock for contactor, the interlock is installed between adjacent two contactors,
The two ends of the seesaw are fixed respectively close to two clappers of contactor, the clappers of the contactor with the actuating mechanism of contactor
Connection, drives clappers to act by the actuating mechanism of a wherein contactor, and described seesaw one end of flapping makes the seesaw other end
Near the clappers of another contactor, now the distance between the seesaw other end and another clappers of contactor are less than contactor
Distance when not closing a floodgate between magnetic armature and magnetic core.Between the distance between this seesaw and clappers preferably 0.2mm -1mm.
A kind of resilient retention features of interlock for contactor are spring.
A kind of interlock for contactor, its seesaw is connected with the support by pivot pin.
A kind of described interlock for contactor, the clappers of its contactor are solid by axle with the magnetic armature of contactor
Fixed connection.
A kind of interlock for contactor, its leverage is bascule mechanism.
A kind of interlock for contactor, it also includes mounting bracket, and the support is fixed on mounting bracket, institute
State mounting bracket and be respectively fixed with alignment pin on the side at described seesaw two.
Using technical solutions according to the invention, after a contactor energization adhesive, when being powered to another contactor,
This contactor can not close a floodgate or in gate-dividing state；But when two contactors are in gate-dividing state simultaneously, to wherein
Any one contactor is powered, and can realize that energization makes contactor close a floodgate；And the interlock in its technical solution of the present invention
Its interlock mode is Purely mechanical, does not have the auxiliary of electrical interlocks, and its suction-combining force is strong, simple structure and be easy to operating personnel's group
Dress.Can realize that two contactors are mounted side by side using this interlock, save installing space, particular for JCZ5 series vacuum
Contactor can borrow original position of mounting hole on pedestal and be installed, and this two interlocks of contactor are directed to after the completion of debugging
Can pull down individually transport, to destination after assembled again, after being completed without debugged again i.e. can be used, reduce peace
Dress and transport difficulty.
Brief description of the drawings
A kind of interlock top views for contactor of Fig. 1；
Fig. 2 interlocks schematic diagram when two contactors are in gate-dividing state；
After Fig. 3 interlocks are installed on the contactor, contactor is in gate-dividing state schematic diagram；
After Fig. 4 interlocks are arranged on two contactors, a contactor is in "on" position, another contact position
In gate-dividing state figure；
The armature of contactor, iron core, axle, clappers association schematic diagram in Fig. 5 embodiment of the present invention；
Fig. 6 is arranged on the top view of the interlock on mounting bracket.
In figure, 1, seesaw 2, support 3, spring 4, mounting bracket 5, alignment pin 6, pivot pin 7, clappers 8, axle 9, armature
10th, iron core.
Specific embodiment
In conjunction with accompanying drawing of the invention, the technical scheme in the embodiment of the present invention is clearly fully described by, it is clear that
Described embodiment is only a part of embodiment of the invention, rather than whole embodiments, based on the implementation in the present invention
Example, under the premise of creative work is not made, the every other embodiment for being obtained is belonged to those of ordinary skill in the art
Protection scope of the present invention.
Embodiment one
The interlock for contactor shown in Fig. 1, the interlock includes seesaw, support and spring, described
Seesaw connects and composes bascule mechanism with the support by pivot pin, is respectively provided between the seesaw two ends and the support
There is spring, the leverage makes seesaw keep poised state in the case where contactor is not operating by the supporting function of spring,
The interlock is installed between adjacent two contactors a and b, and the two ends of the seesaw are respectively close to two bats of contactor
Plate, the clappers of the contactor are fixed together with the magnetic armature of contactor and (are specifically fixedly connected on by axle
Together), clappers action is driven when the magnetic armature adhesive magnetic core by a wherein contactor such as contactor a, it is described to flap
Seesaw one end, makes the seesaw other end near the clappers of another contactor b, now the seesaw other end and another contactor b
The distance between clappers are about 0.5mm；When being powered to contactor b, (its attracting mode is with contactor a mono- for contactor b adhesives
Sample), with the end thereof contacts of seesaw after the distance of the clappers action about 0.5mm of contactor b, due to the action of contactor b clappers
Distance is very short, and the armature of contactor b causes magnetic gap very big with there is larger gap between iron core, and its suction-combining force will not be too
Greatly, but contactor a is that in "on" position, its magnetic armature is with, almost without the air gap, magnetic gap very little has between iron core
Very big the suction-combining force, so when contactor b adhesives, when one end of seesaw is arrived in the clappers action of contactor b, seesaw is by wherein
Between pivot pin can rotate, when seesaw is rotated, the other end of seesaw just applies a lever force to the clappers of contactor a, by
Together with being stationarily connected to the magnetic armature of contactor a in the clappers of contactor a, its power is just transferred directly to contactor a's
On armature, but, now the suction-combining force magnetic armature much larger than contactor b of the magnetic armature of contactor a with magnetic core and the suction of magnetic core
With joint efforts, so the clappers of contactor b can not drive the clappers of contactor a by the lever action of seesaw, the now rank of contactor a
Iron cannot be separated with iron core, and contactor b cannot just realize closing a floodgate；When contactor a and b are in gate-dividing state simultaneously, seesaw
It is in poised state due to the spring effect at two ends, the two ends of seesaw there are enough distances to make contactor with contactor clappers
Close a floodgate, so when contactor a and b is in gate-dividing state simultaneously, any one contactor can close a floodgate.
Embodiment two
Embodiment two is essentially identical with embodiment one, the Lever machine that the seesaw is connected and composed with the support by pivot pin
Structure is bascule mechanism, and mounting bracket is simply also included on the interlock, and the support is fixed on mounting bracket, described
Mounting bracket is respectively fixed with alignment pin on the side at the seesaw two ends.Using the interlock for implementing contactor described in two
After the completion of installation and debugging, it is only necessary to which interlock is removed, interlock is corresponded for two contactors of a, b,
Two contactors of a, b can be transported individually one by one, mutual correspondingly according to two contactors of same a, b after arriving at
Locking device is attached, and alignment pin is inserted in the hole after fixing, and be can be used without debugging, reduces installation and transport difficulty.
Claims (7)
1. a kind of interlock for contactor, it is characterised in that：The interlock includes that seesaw, support and elasticity are protected
Hold part, the seesaw and the support constitute by an active connection leverage, between the seesaw two ends and the support respectively
The resilient retention features are set, and the leverage is acted in the case where contactor is not operating by the resilient retention features
Seesaw is set to keep poised state, the interlock is installed between adjacent two contactors, and the two ends of the seesaw are leaned on respectively
The clappers of nearly two contactors, the clappers of the contactor are fixedly connected with the actuating mechanism of contactor, by wherein one contact
The actuating mechanism of device drives clappers action, and described seesaw one end of flapping makes the close another contactor of the seesaw other end
Clappers, magnetic armature and magnetic when now the distance between the seesaw other end and another clappers of contactor do not close a floodgate less than contactor
Distance between core.
2. a kind of interlock for contactor as claimed in claim 1, it is characterised in that the seesaw other end is near another
One clappers of contactor, now the distance between this seesaw and clappers are between 0.2mm -1mm.
3. as claimed in claim 2 a kind of interlock for contactor, it is characterised in that the resilient retention features be bullet
Spring.
4. a kind of interlock for contactor as claimed in claim 3, it is characterised in that the seesaw and the support are logical
Cross pivot pin connection.
5. a kind of interlock for contactor as claimed in claim 1, it is characterised in that the clappers of the contactor with
The magnetic armature of contactor is fixedly connected by axle.
6. a kind of interlock for contactor as described in any one of claim 2 to 5, it is characterised in that the Lever machine
Structure is bascule mechanism.
7. as claimed in claim 6 a kind of interlock for contactor, it is characterised in that also including mounting bracket, the branch
Frame is fixed on mounting bracket, and the mounting bracket is respectively fixed with alignment pin on the side at described seesaw two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112979.1A CN103956283B (en) | 2014-03-25 | 2014-03-25 | A kind of interlock for contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112979.1A CN103956283B (en) | 2014-03-25 | 2014-03-25 | A kind of interlock for contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103956283A CN103956283A (en) | 2014-07-30 |
| CN103956283B true CN103956283B (en) | 2017-06-06 |
Family
ID=51333543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410112979.1A Active CN103956283B (en) | 2014-03-25 | 2014-03-25 | A kind of interlock for contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103956283B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355481B (en) * | 2015-11-26 | 2017-08-25 | 天水二一三电器有限公司 | A kind of interlock of contactor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246791B (en) * | 2007-02-12 | 2011-04-13 | 浙江正泰电器股份有限公司 | Low-voltage electrical apparatus with mechanical interlock device |
| JP5636798B2 (en) * | 2010-08-03 | 2014-12-10 | 富士電機機器制御株式会社 | Reversible electromagnetic contactor |
| DE102012006522A1 (en) * | 2012-03-30 | 2013-10-02 | Abb Ag | Electrical installation switch with mechanical lock |
| CN203787313U (en) * | 2014-03-25 | 2014-08-20 | 成都国光电气股份有限公司 | Interlocking device for contactors |
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2014
- 2014-03-25 CN CN201410112979.1A patent/CN103956283B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103956283A (en) | 2014-07-30 |
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