CN208954902U - A kind of shock-proof type contactor - Google Patents
A kind of shock-proof type contactor Download PDFInfo
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- CN208954902U CN208954902U CN201821578592.5U CN201821578592U CN208954902U CN 208954902 U CN208954902 U CN 208954902U CN 201821578592 U CN201821578592 U CN 201821578592U CN 208954902 U CN208954902 U CN 208954902U
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- yoke
- armature
- permanent magnet
- cylinder
- shock
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Abstract
The utility model relates to contactor technical fields, in particular disclose a kind of shock-proof type contactor, the pusher unit including electromagnet assembly, output terminal and sliding setting；Pusher unit has armature, and electromagnet assembly includes yoke cylinder, the coil unit being located in yoke cylinder and permanent magnet, the yoke plate for being installed in yoke cylinder；After two static contacts are connected in pusher unit, the side wall formation magnetic circuit closed loop of permanent magnet, armature, yoke plate, yoke cylinder, allow yoke plate that armature is steadily sucked, prevent from leading to the separated conducting of two static contacts because contactor is shaken, it is ensured that the stability of two static contacts conducting；When pusher unit separates with static contact and disconnects the conducting between two static contacts, the side wall formation magnetic circuit closed loop of permanent magnet, armature, the bottom wall of yoke cylinder, yoke cylinder, so that armature is steadily sucked in yoke cylinder, it prevents from causing pusher unit that two static contacts are connected because contactor is shaken, it is ensured that the stability that two static contacts disconnect.
Description
Technical field
The utility model relates to contactor technical fields, in particular disclose a kind of shock-proof type contactor.
Background technique
Contactor (also known as relay) has been essential in many electronic equipments as " automatic switch " in circuit
One of primary element, the type of contactor has very much, and electromagnetic contactor is exactly one of contactor, and electromagnetic contactor is main
It is magnetic realization being turned on or off to external circuitry generated using electromagnet assembly.
Since the tectonic sieving of electromagnetic contactor in the prior art is unreasonable, when electromagnetic contactor is turned on or off circuit
When, the use state of electromagnetic contactor is unstable, i.e., when electromagnetic contactor is by extraneous vibration, the conducting of electromagnetic contactor
State or off-state can convert, and influence the normal use of contactor.
Utility model content
In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide a kind of shock-proof types
Contactor prevents from leading to the interruption of two static contacts because contactor is shaken after two static contacts are connected in pusher unit
It convinces by patient analysis logical, it is ensured that the stability of two static contacts conducting；It is disconnected between two static contacts when pusher unit is separated with static contact
Conducting when, prevent from causing pusher unit that two static contacts are connected because contactor is shaken, it is ensured that two static contacts disconnect
Stability.
To achieve the above object, a kind of shock-proof type contactor of the utility model, including electromagnet assembly, output terminal and
The pusher unit of setting is slided, electromagnet assembly is slided for driving push rod unit, and output terminal has two be spaced each other
Static contact, pusher unit is for being connected two static contacts；The pusher unit have armature, electromagnet assembly include yoke cylinder,
The coil unit and permanent magnet that are located in yoke cylinder, the yoke plate for being installed in yoke cylinder, yoke plate are used for by coil unit, forever
Magnet, armature are encapsulated in yoke cylinder, and armature is slideably positioned in yoke cylinder, and coil unit is arranged around armature, and yoke plate is used
In attraction armature；Permanent magnet between yoke plate and the bottom wall of yoke cylinder, permanent magnet be located at armature and yoke cylinder side wall it
Between；Permanent magnet, armature, yoke plate, yoke cylinder side wall formed magnetic circuit closed loop or permanent magnet, armature, yoke cylinder bottom wall,
The side wall of yoke cylinder forms magnetic circuit closed loop.
Preferably, the shock-proof type contactor further includes the capsul for being set to yoke plate, and capsul uses insulating materials
Be made, two static contacts are all set in capsul, and one end of two static contacts protrudes into capsul, two static contacts it is another
Distal process stretches out capsul, and one end of pusher unit protrudes into capsul, and one end that pusher unit protrudes into capsul is used for
Two static contacts are connected.
Preferably, the quantity of the permanent magnet is multiple, and multiple permanent magnets are arranged around armature, and multiple permanent magnets are close to rank
The magnetism of iron one end is identical.
Preferably, the multiple one end of the permanent magnet far from armature contact the side wall of yoke cylinder.
Preferably, the yoke cylinder is equipped with accommodation groove, and coil unit, permanent magnet and armature are respectively positioned in accommodation groove, yoke
Plate is for covering accommodation groove；Capsul, yoke cylinder are located at the two sides of yoke plate, and yoke plate is run through simultaneously in one end of pusher unit
It protrudes into capsul, one end of pusher unit is connected with the dynamic block in capsul, and it is quiet for being connected two to move point block
Contact.
Preferably, the electromagnet assembly further includes the skeleton in yoke cylinder, and skeleton, which is adopted, to be made from an insulative material, line
Coil unit is set around the outside of skeleton, and armature is slideably positioned in skeleton, and permanent magnet is installed in skeleton.
Preferably, the skeleton is equipped with the first annular groove, the second annular groove, the card between the first annular groove and the second annular groove
Slot, coil unit include the first coil being located in the first annular groove, the second coil being located in the second annular groove, and permanent magnet holds
In card slot.
Preferably, the skeleton is equipped with the slide opening through skeleton, and armature sliding is located in slide opening, and yoke cylinder is far from yoke
One end of plate is connected with the first yoke block, and the first yoke block protrudes into one end of slide opening.
Preferably, the yoke plate is connected with the second yoke block, and the second yoke block protrudes into the other end of slide opening, push rod
The second yoke block is run through in one end of unit, and armature is between the first yoke block and the second yoke block.
Preferably, the pusher unit further includes the body of rod and pre-compressed spring, and dynamic point block is slidably located in one end of the body of rod
Outside, pre-compressed spring are set in the outside of the body of rod, and the both ends of pre-compressed spring contradict yoke plate respectively and dynamic point block, armature are installed in
The other end of the body of rod.
The utility model has the beneficial effects that after two static contacts are connected in pusher unit, permanent magnet, armature, yoke plate, yoke
The side wall of work durm forms magnetic circuit closed loop, allows yoke plate that armature is steadily sucked, prevents from causing because contactor is shaken
Pusher unit disconnects the conducting between two static contacts, it is ensured that the stability of two static contacts conducting；When pusher unit and stationary contact
Head separation and disconnect two static contacts between conducting when, permanent magnet, armature, the bottom wall of yoke cylinder, yoke cylinder side wall formed
Magnetic circuit closed loop prevents from causing pusher unit conducting two quiet because contactor is shaken so that armature is steadily sucked in yoke cylinder
Contact, it is ensured that the stability that two static contacts disconnect.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the cross-sectional view of the utility model；
Fig. 3 is the decomposition texture schematic diagram of the utility model.
Appended drawing reference includes:
1-electromagnet assembly 2-static contact, 3-armature
4-yoke cylinder 5-coil unit, 6-permanent magnets
7-yoke plate 8-capsul, 9-accommodation grooves
11-dynamic point the 13-the first annular grooves of 12-skeleton of block
14-the second annular groove 15-card slot, 16-slide opening
17-the first yoke block the 18-the second yoke 19-body of rod of block
21-pre-compressed spring 101-magnetic circuit closed loops.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below with reference to examples and drawings further
Explanation, the content that embodiment refers to not is restriction to the utility model.
Shown in please referring to Fig.1 to Fig.3, a kind of shock-proof type contactor of the utility model, including electromagnet assembly 1, output
Terminal and the pusher unit being slidably arranged on electromagnet assembly 1, electromagnet assembly 1 slidably reciprocate for driving push rod unit,
Output terminal has two static contacts 2 being spaced each other, and pusher unit is for being connected two static contacts 2；The pusher unit tool
There is armature 3, armature 3 is slidably arranged on electromagnet assembly 1, and electromagnet assembly 1 includes yoke cylinder 4, is installed in yoke cylinder 4
Coil unit 5 and permanent magnet 6, the yoke plate 7 being installed on yoke cylinder 4, the generally hollow cylinder of yoke cylinder 4, yoke plate 7 is substantially
For round plate, yoke plate 7 is for coil unit 5, permanent magnet 6, armature 3 to be encapsulated in yoke cylinder 4, the sliding setting of armature 3
In yoke cylinder 4, coil unit 5 is arranged around armature 3, and yoke plate 7 is for attracting armature 3 so that pusher unit is connected two
Static contact 2；Permanent magnet 6 is between yoke plate 7 and the bottom wall of yoke cylinder 4, and permanent magnet 6 is located at the side of armature 3 and yoke cylinder 4
Between wall；When pusher unit be connected two static contacts 2 when, permanent magnet 6, armature 3, yoke plate 7, yoke cylinder 4 side wall formed magnetic
Road closed loop；When pusher unit separates with static contact 2 and two static contacts 2 is made to disconnect conducting, permanent magnet 6, armature 3, yoke
The bottom wall of cylinder 4, the side wall of yoke cylinder 4 form magnetic circuit closed loop 101.
Forward current is led to coil unit 5, electromagnet assembly 1 generates magnetism, so that yoke plate 7 attracts armature 3 mobile, moves
Dynamic armature 3 makes pusher unit that two static contacts 2 be connected, then can be to line after two static contact 2 are connected in pusher unit
Coil unit 5 powers off, and is not necessarily to persistently be powered to coil unit 5, at this time the side wall shape of permanent magnet 6, armature 3, yoke plate 7, yoke cylinder 4
At magnetic circuit closed loop, allow yoke plate 7 that armature 3 is steadily sucked, prevents from causing pusher unit disconnected because contactor is shaken
Open the conducting between two static contacts 2, it is ensured that the stability of two static contacts 2 conducting；When needing to disconnect leading for two static contacts 2
When logical, reverse current is led to coil unit 5, yoke plate 7 is identical as the original magnetism of armature 3 and mutual exclusion, yoke plate 7 drive armature
3 move backward pusher unit, and pusher unit separates with static contact 2 and disconnects the conducting between two static contacts 2, are then
The power supply of coil unit 5 can be disconnected, at this time permanent magnet 6, armature 3, the bottom wall of yoke cylinder 4, yoke cylinder 4 side wall formed magnetic circuit close
Ring 101 prevents from causing pusher unit that two stationary contacts are connected because contactor is shaken so that armature 3 is steadily sucked in yoke cylinder 4
First 2, it is ensured that the stability that two static contacts 2 disconnect.
The shock-proof type contactor further includes the capsul 8 being arranged on yoke plate 7, and capsul 8 uses insulating materials system
At in the present embodiment, capsul 8 is made of ceramic material, and two static contacts 2 are arranged on capsul 8, two static contacts
2 one end protrudes into capsul 8, and the other end of two static contacts 2 stretches out capsul 8, and one end of pusher unit protrudes into
In capsul 8, one end that pusher unit protrudes into capsul 8 is for being connected two static contacts 2 protrude into capsul 8 one
End.Using capsul 8 protect contactor contact system (i.e. on pusher unit with the turning part of static contact 2, two static contacts
2) normally of extraneous object interference contact system, is prevented；When extinguishing two 2 on-off of static contact using capsul 8 simultaneously
Generated electric arc prevents other elements of arc damage contactor.
The quantity of the permanent magnet 6 be it is multiple, multiple permanent magnets 6 around armature 3 setting, multiple permanent magnets 6 are close to armature 3
The magnetism of one end is identical, for example, magnetism of the multiple permanent magnets 6 close to 3 one end of armature is the pole N, by the number for adding permanent magnet 6
Amount, promoted permanent magnet 6, armature 3, yoke plate 7, yoke cylinder 4 side wall be formed by magnetic circuit closed loop (or permanent magnet 6, armature 3,
The bottom wall of yoke cylinder 4, the side wall of yoke cylinder 4 are formed by magnetic circuit closed loop 101) magnetic field strength, be further ensured that contactor can
To be stably maintained at the on state of two static contacts 2 or be stably maintained at the off-state of two static contacts 2.This reality
It applies in example, the quantity of permanent magnet 6 is three, and certainly, the quantity of permanent magnet 6 can be two or four etc..
In the present embodiment, the multiple described one end of permanent magnet 6 far from armature 3 contact the inner sidewall of yoke cylinder 4, work as permanent magnetism
Iron 6, armature 3, yoke plate 7, yoke cylinder 4 side wall form (or the bottom of permanent magnet 6, armature 3, yoke cylinder 4 after magnetic circuit closed loop
Wall, yoke cylinder 4 side wall formed magnetic circuit closed loop 101 after), it is ensured that the magnetic induction line of magnetic circuit closed loop 101 can be in permanent magnet 6 and yoke
It is smoothly transmitted between cylinder 4, further enhances the magnetic field strength of magnetic circuit closed loop 101.
Accommodation groove 9 is provided on the yoke cylinder 4, accommodation groove 9 is recessed close to the end face of 7 one end of yoke plate from yoke cylinder 4
It forms, coil unit 5, permanent magnet 6 and armature 3 are respectively positioned in accommodation groove 9, and yoke plate 7 is for covering accommodation groove 9 in turn for coil
Unit 5, permanent magnet 6 and armature 3 are encapsulated in accommodation groove 9；Capsul 8, yoke cylinder 4 are located at the two sides up and down of yoke plate 7,
One end of pusher unit is through yoke plate 7 and protrudes into capsul 8, and one end of pusher unit is connected in capsul 8
Dynamic block 11, dynamic point block 11 is made of conductive material, moves point block 11 for two static contacts 2, two be spaced each other to be connected
A static contact 2 forms conducting via dynamic block 11.
The electromagnet assembly 1 further includes the skeleton 12 in yoke cylinder 4, and skeleton 12, which is adopted, to be made from an insulative material, this
In embodiment, skeleton 12 uses ambroin integrated injection molding, and coil unit 5 is wound around the outside of skeleton 12, and armature 3 slides
It is arranged in skeleton 12, permanent magnet 6 is installed on skeleton 12, is realized the fixation to permanent magnet 6 using skeleton 12, is prevented permanent magnet
6 occur position movement in electromagnet assembly 1.
The skeleton 12 is equipped with the first annular groove 13, the second annular groove 14, between the first annular groove 13 and the second annular groove 14
Card slot 15, the first annular groove 13, the second annular groove 14 are formed from the lateral surface of skeleton 12 is recessed, and coil unit 5 includes being installed with the
First coil (unlabeled in figure) in one annular groove 13, the second coil (unlabeled in figure) being installed in the second annular groove 14, benefit
With the side wall of the first annular groove 13, the side wall block first coil of the second annular groove 14, the second coil, prevent coil unit 5 from skeleton
It falls off on 12；Permanent magnet 6 is installed in card slot 15, using the side wall block permanent magnet 6 of card slot 15, prevents permanent magnet 6 from skeleton
It falls off on 12.
The skeleton 12 is equipped with the slide opening 16 through skeleton 12, and the sliding of armature 3 is installed in slide opening 16, is led using slide opening 16
The glide direction for drawing armature 3 prevents armature 3 from skew occurring in moving process；Yoke cylinder 4 is connected far from one end of yoke plate 7
Have the first yoke block 17, the first yoke block 17 protrudes into one end of slide opening 16, in actual use, permanent magnet 6 it is magnetic via
Yoke cylinder 4 is transferred to the first yoke block 17, and for the first yoke block 17 for attracting armature 3, realization pusher unit is fast with static contact 2
Speed separation.
The yoke plate 7 is connected with the second yoke block 18, and the second yoke block 18 protrudes into the other end of slide opening 16, permanent magnetism
The magnetic of iron 6 is transferred to the second yoke block 18 via yoke cylinder 4, yoke plate 7, and the second yoke block 18 is for attracting armature 3；Push rod
The second yoke block 18 is run through in one end of unit, is sliding setting between pusher unit and the second yoke block 18, armature 3 is located at first
Between yoke block 17 and the second yoke block 18, the both ends of block armature 3 are distinguished using the first yoke block 17, the second yoke block 18,
Prevent armature 3 excessively mobile.
The pusher unit further includes the body of rod 19 and pre-compressed spring 21, and the body of rod 19 is substantially in long strip, one end of the body of rod 19
It protrudes into capsul 8, dynamic point block 11, pre-compressed spring 21 are respectively positioned in capsul 8, and the body of rod 19 runs through the second yoke block 18 and yoke
Iron plate 7, dynamic point block 11 be slidably located in the body of rod 19 one end outside, pre-compressed spring 21 is set in the outside of the body of rod 19, precompressed
The both ends of spring 21 are contradicted respectively on yoke plate 7 and on dynamic point block 11, and armature 3 is installed on the other end of the body of rod 19.
When needing to be connected two static contacts 2, electromagnet assembly 1 drives armature 3 to slide, the related body of rod of armature 3 of sliding
19 is mobile, and the related dynamic block 11 of the mobile body of rod 19 moves together, so that dynamic point block 11 contradicts two static contacts 2 of conducting, until
Armature 3 no longer moves after being sucked by the second yoke block 18, and pre-compressed spring 21 is in compressive state at this time, utilizes pre-compressed spring 21
Elastic-restoring force a dynamic point block 11 is steadily contradicted on two static contacts 2, further prevent contactor unexpectedly to be shaken
It moves or collides and static contact 2 is caused to separate with a dynamic point block 11, promote the service performance of contactor.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (10)
1. a kind of shock-proof type contactor, the pusher unit including electromagnet assembly, output terminal and sliding setting, electromagnet assembly
It is slided for driving push rod unit, output terminal has two static contacts being spaced each other, and pusher unit is quiet for being connected two
Contact；It is characterized by: the pusher unit has armature, electromagnet assembly includes yoke cylinder, the line that is located in yoke cylinder
Coil unit and permanent magnet, the yoke plate for being installed in yoke cylinder, yoke plate are used to coil unit, permanent magnet, armature being encapsulated in yoke
In work durm, armature is slideably positioned in yoke cylinder, and coil unit is arranged around armature, and yoke plate is for attracting armature；Permanent magnet
Between yoke plate and the bottom wall of yoke cylinder, permanent magnet is between armature and the side wall of yoke cylinder；Permanent magnet, armature, yoke
Iron plate, yoke cylinder side wall formed magnetic circuit closed loop or permanent magnet, armature, the bottom wall of yoke cylinder, yoke cylinder side wall form magnetic
Road closed loop.
2. shock-proof type contactor according to claim 1, it is characterised in that: the shock-proof type contactor further includes being set to
The capsul of yoke plate, capsul, which is adopted, to be made from an insulative material, and two static contacts are all set in capsul, and the one of two static contacts
Distal process protrudes into capsul, and the other end of two static contacts stretches out capsul, and one end of pusher unit protrudes into capsul,
Pusher unit protrude into one end in capsul for be connected two static contacts.
3. shock-proof type contactor according to claim 1, it is characterised in that: the quantity of the permanent magnet be it is multiple, it is multiple
Permanent magnet is arranged around armature, and magnetism of multiple permanent magnets close to armature one end is identical.
4. shock-proof type contactor according to claim 3, it is characterised in that: the multiple one end of the permanent magnet far from armature
Contact the side wall of yoke cylinder.
5. shock-proof type contactor according to claim 1, it is characterised in that: the yoke cylinder is equipped with accommodation groove, coil list
Member, permanent magnet and armature are respectively positioned in accommodation groove, and yoke plate is for covering accommodation groove；Capsul, yoke cylinder are located at yoke
One end of the two sides of plate, pusher unit through yoke plate and protrudes into capsul, and one end of pusher unit is connected with positioned at close
Dynamic block in capsule moves point block for two static contacts to be connected.
6. shock-proof type contactor according to claim 1, it is characterised in that: the electromagnet assembly further includes being located at yoke
Skeleton in cylinder, skeleton, which is adopted, to be made from an insulative material, and coil unit is set around the outside of skeleton, and armature is slideably positioned in skeleton,
Permanent magnet is installed in skeleton.
7. shock-proof type contactor according to claim 6, it is characterised in that: the skeleton is equipped with the first annular groove, the second ring
Slot, the card slot between the first annular groove and the second annular groove, coil unit include the first coil being located in the first annular groove, hold
The second coil in the second annular groove, permanent magnet are located in card slot.
8. shock-proof type contactor according to claim 6, it is characterised in that: the skeleton is equipped with the slide opening through skeleton,
Armature sliding is located in slide opening, and yoke cylinder is connected with the first yoke block far from one end of yoke plate, and the first yoke block protrudes into
In one end of slide opening.
9. shock-proof type contactor according to claim 8, it is characterised in that: the yoke plate is connected with the second yoke block,
Second yoke block protrudes into the other end of slide opening, and the second yoke block is run through in one end of pusher unit, and armature is located at the first yoke
Between block and the second yoke block.
10. shock-proof type contactor according to claim 5, it is characterised in that: the pusher unit further includes the body of rod and pre-
Pressing spring, dynamic point block be slidably located in the body of rod one end outside, pre-compressed spring is set in the outside of the body of rod, the two of pre-compressed spring
End contradicts yoke plate respectively and dynamic point block, armature are installed in the other end of the body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578592.5U CN208954902U (en) | 2018-09-26 | 2018-09-26 | A kind of shock-proof type contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578592.5U CN208954902U (en) | 2018-09-26 | 2018-09-26 | A kind of shock-proof type contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954902U true CN208954902U (en) | 2019-06-07 |
Family
ID=66739643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821578592.5U Active CN208954902U (en) | 2018-09-26 | 2018-09-26 | A kind of shock-proof type contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208954902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243919A (en) * | 2018-09-26 | 2019-01-18 | 三友联众集团股份有限公司 | A kind of shock-proof type contactor |
| CN112614746A (en) * | 2020-12-08 | 2021-04-06 | 东莞市中汇瑞德电子股份有限公司 | Magnetic latching magnetic circuit device and DC contactor |
-
2018
- 2018-09-26 CN CN201821578592.5U patent/CN208954902U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243919A (en) * | 2018-09-26 | 2019-01-18 | 三友联众集团股份有限公司 | A kind of shock-proof type contactor |
| CN112614746A (en) * | 2020-12-08 | 2021-04-06 | 东莞市中汇瑞德电子股份有限公司 | Magnetic latching magnetic circuit device and DC contactor |
| CN112614746B (en) * | 2020-12-08 | 2024-04-26 | 东莞市中汇瑞德电子股份有限公司 | Magnetic latching circuit device and direct current contactor |
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