CN207264979U - A kind of high insulated contact device - Google Patents
A kind of high insulated contact device Download PDFInfo
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- CN207264979U CN207264979U CN201721287476.3U CN201721287476U CN207264979U CN 207264979 U CN207264979 U CN 207264979U CN 201721287476 U CN201721287476 U CN 201721287476U CN 207264979 U CN207264979 U CN 207264979U
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- base
- arc
- main contact
- contact device
- extinguish chamber
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Abstract
The utility model discloses a kind of high insulated contact device, including arc-extinguish chamber and base, the front of the base to be fixed with main contact；The arc-extinguish chamber is arranged at the front of the base, and arc-extinguish chamber is provided with fluting with the corresponding position of main contact, and for the opening of the fluting towards main contact, the fluting is interior to be filled with permanent magnet.The utility model sets permanent magnet in arc-extinguish chamber with the place of association of main contact, and permanent magnet produces magnetic field, and in main contact connection or disjunction, permanent magnet, which can produce magnetic blow-out power, makes its fast arc extinction, the contactor is had the arc extinguishing ability and the class of insulation of higher；In addition, permanent magnet be assemblied in arc-extinguish chamber and main contact associate place, in major loop wiring, without carrying out positive and negative anodes differentiation, make easier for installation.
Description
Technical field
It the utility model is related to contactor technical field, more particularly to a kind of high insulated contact device.
Background technology
In recent years, as power is continuously improved in communication power supply and frequency converter industry device facility, to the contact in frequency converter
The insulating requirements of device are also higher and higher.Contactor often occurs since the class of insulation not enough causes product in actual motion
Breakdown, breaks down.
Inadequate in order to solve the problems, such as to insulate, contactor, is directly installed on the machine of frequency converter by part frequency converter factory
On shell, since this contactor is not specific to Design of Inverter, these traditional contactors is exhausted in some occasions
Edge voltage still cannot reach the requirement of frequency converter, and very serious security risk is left to frequency converter.Also some frequency converters
Contactor is installed using hanging method by manufacturing enterprise, is directly contacted with shell of frequency converter although so avoiding contactor,
Security risk is left to the hotline maintenance and debugging of frequency converter in the future.
Utility model content
Technical problem to be solved in the utility model is：A kind of high insulated contact device is provided, existing contact can be solved
Arc extinguishing energy force difference existing for device, the defects of class of insulation is low.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of high insulated contact device, including arc-extinguish chamber and base, the front of the base are fixed with main contact；The arc extinguishing
The front for being placed in the base is provide with, and arc-extinguish chamber is provided with fluting, the opening of the fluting with the corresponding position of main contact
Towards main contact, permanent magnet is filled with the fluting.
Further, thermosetting property pad is further included, the thermosetting property pad is arranged between the main contact and base.
Further, push rod, ceramic substrate are provided with the arc-extinguish chamber, touches bridge, contact bushing and touch spring, it is described
Centre bore is provided with base, the push rod is inserted in the centre bore；The ceramic substrate is socketed on the push rod, institute
State tactile bridge to be socketed on the ceramic substrate, the corresponding position in lower face of the ceramic substrate and the tactile bridge is provided with ring
The positioning protrusion of shape；The contact bushing is arranged at the upper surface of the tactile bridge, and the upper end of the contact bushing is provided with annular
Groove, one end of the touch spring are held in the slot bottom of the annular groove, and the other end of touch spring is fixed on push rod
Top.
Further, the front of the base is additionally provided with two annular convex platform, and described two annular convex platform are surrounded on institute
State around centre bore.
Further, coil block is further included, the coil block is arranged at the back side of the base；The coil block
Including sleeve, bottom plate, winding, coil rack, quiet iron and dynamic iron, the base plate cover is arranged on the top of the sleeve；The coil
Skeleton is arranged in the sleeve, and the top of the coil rack is provided with positioning convex closure, with positioning convex closure phase on the bottom plate
Corresponding position is provided with location hole；The winding is set around on the coil rack；The quiet ferropexy is in the coil bone
The centre of frame；The dynamic iron is arranged at the top of the quiet iron, and is provided with reaction spring between quiet iron and dynamic iron；The dynamic iron
It is connected to the bottom of the push rod.
Further, riveted between the quiet iron and the sleeve by shaping.
Further, terminal plate is further included, the side of the base is provided with slot, and the terminal plate is inserted in described insert
In groove.
Further, three face flash barriers are provided with the base end face between the terminal plate and the main contact, it is described
The opening face of three face flash barriers is set away from the main contact.
Further, cover board is further included, the back side of the base is provided with accommodating with the corresponding position of the terminal plate
Groove, is provided with buckle in the storage tank, the cover plate lid is arranged on the storage tank, and is provided with cover board and the buckle phase
The grab of cooperation.
Further, installing plate is further included, the installing plate is connected to the side of the base, and the installing plate and institute
It is perpendicular or parallel to state base.
The beneficial effects of the utility model are：Permanent magnet, permanent magnet production are set with the place of association of main contact in arc-extinguish chamber
Magnetisation field, in main contact connection or disjunction, permanent magnet, which can produce magnetic blow-out power, makes its fast arc extinction, the contactor is had more
High arc extinguishing ability and the class of insulation；In addition, permanent magnet be assemblied in arc-extinguish chamber and main contact associate place, in major loop wiring
When, without carrying out positive and negative anodes differentiation, make easier for installation.
Brief description of the drawings
Fig. 1 is the front view of the high insulated contact device of the utility model embodiment；
Fig. 2 is A-A sectional views；
Fig. 3 is B-B sectional views；
Fig. 4 is the schematic rear view of the base of the utility model embodiment；
Fig. 5 is the sectional view of C-C；
Fig. 6 is the sectional view of D-D；
Fig. 7 is the structure diagram of the vertical base of the utility model embodiment；
Fig. 8 is the structure diagram of the horizontal base of the utility model embodiment；
Label declaration：
1st, sleeve；2nd, winding；3rd, base；31st, centre bore；4th, coil rack；5th, bottom plate；
6th, arc-extinguish chamber；7th, permanent magnet；8th, bridge is touched；9th, contact bushing；10th, push rod；
11st, touch spring；12nd, ceramic substrate；13rd, main contact；14th, thermosetting property pads；
15th, iron is moved；16th, reaction spring；17th, quiet iron；18th, cover board；19th, terminal plate；
20th, nut；21st, screw assemblies；22nd, insulating cell；23rd, storage tank；24th, the first counterbore；
25th, the second counterbore；26th, annular convex platform；27th, installing plate；28th, three face flash barrier.
Embodiment
To describe the technology contents of the utility model, the objects and the effects in detail, below in conjunction with embodiment and match somebody with somebody
Attached drawing is closed to be explained.
The design of the utility model most critical is：Arc-extinguish chamber 6 is provided with fluting, institute with 13 corresponding position of main contact
The opening of fluting is stated towards main contact 13, the fluting is interior to be filled with permanent magnet 7.
Fig. 1 to Fig. 8, a kind of high insulated contact device, including arc-extinguish chamber 6 and base 3, the front of the base 3 is refer to consolidate
Surely there is main contact 13；The arc-extinguish chamber 6 is arranged at the front of the base 3, and arc-extinguish chamber 6 and 13 corresponding position of main contact
Fluting is provided with, for the opening of the fluting towards main contact 13, the fluting is interior to be filled with permanent magnet 7.
As can be seen from the above description, the beneficial effects of the utility model are：Set in arc-extinguish chamber with the place of association of main contact
Permanent magnet, permanent magnet produce magnetic field, and in main contact connection or disjunction, permanent magnet, which can produce magnetic blow-out power, makes its fast arc extinction,
Make the contactor that there is the arc extinguishing ability and the class of insulation of higher；In addition, permanent magnet is assemblied in associating for arc-extinguish chamber and main contact
Place, in major loop wiring, without carrying out positive and negative anodes differentiation, makes easier for installation.Further, thermosetting property pad is further included
14, the thermosetting property pad 14 is arranged between the main contact 13 and base 3.
Seen from the above description, the thermosetting property pad plays insulation and heat-insulated effect between base and main contact
Fruit, base deforms caused by can preventing main contact fever.
Further, push rod 10, ceramic substrate 12 are provided with the arc-extinguish chamber 6, touches bridge 8, contact bushing 9 and contact bullet
Spring 11, is provided with centre bore 31 on the base 3, the push rod 10 is inserted in the centre bore 31；The ceramic substrate 12
It is socketed on the push rod 10, the tactile bridge 8 is socketed on the ceramic substrate 12, the ceramic substrate 12 and the tactile bridge 8
The corresponding position in lower face be provided with annular positioning protrusion；The contact bushing 9 is arranged at the upper end of the tactile bridge 8
Face, the upper end of the contact bushing 9 are provided with annular groove, and one end of the touch spring 11 is held in the annular groove
Slot bottom, the other end of touch spring 11 are fixed on the top of push rod 10.
Seen from the above description, the upper end of contact bushing is provided with annular groove, that is to say, that the top of contact bushing is
Annular double borderline structures, touch spring are extend between the bilateral edge of annular, can increase the creepage distance of touch spring and tactile bridge；
Meanwhile ceramic chamber lining position corresponding with tactile bridge lower face sets the positioning protrusion of annular, can also increase tactile bridge with pushing away
The creepage distance of bar, prevents electric arc, improves the class of insulation.
Further, the front of the base 3 is additionally provided with two annular convex platform 26, and described two annular convex platform 26 are surround
Around the centre bore 31.
Seen from the above description, centre bore is as base front surface and the connectivity part of base back surface, two around centre bore
Annular convex platform can increase the creepage distance between the component of base back surface and the main contact of base front surface.
Further, coil block is further included, the coil block is arranged at the back side of the base 3；The coil group
Part includes sleeve 1, bottom plate 5, winding 2, coil rack 4, quiet iron 17 and dynamic iron 15, and the bottom plate 5 is covered on the top of the sleeve 1
End；The coil rack 4 is arranged in the sleeve 1, and the top of the coil rack 4 is provided with positioning convex closure, the bottom plate 5
It is upper that the corresponding position of positioning convex closure is provided with location hole；The winding 2 is set around on the coil rack 4；The quiet iron
17 are fixed on the centre of the coil rack 4；The dynamic iron 15 is arranged at the top of the quiet iron 17, and quiet iron 17 and dynamic iron 15
Between be provided with reaction spring 16；The dynamic iron 15 is connected to the bottom of the push rod 10.
Seen from the above description, electromagnetic attraction is produced when coil block is powered, dynamic sheet iron strip moves push rod, ceramic substrate 12, touches
Bridge integrally moves downward together, tactile bridge is contacted with main contact；Stop after being powered, electromagnetic attraction disappears, and reaction spring provides bullet
Power, makes iron move upwards, touches bridge and is separated with main contact.
Further, riveted between the quiet iron 17 and the sleeve 1 by shaping.
Seen from the above description, the fit clearance of each component is small after riveting, can effectively reduce leakage field.
Further, terminal plate 19 is further included, the side of the base 3 is provided with slot, and the terminal plate 19 is inserted in
In the slot.
Seen from the above description, when assembling the contactor, the terminal plate can be inserted directly into the slot of base, relatively
Efficiency of assembling can be greatly promoted in form, this programme such as screw of the prior art fixations.
Further, three face flash barriers are provided with the base end face between the terminal plate 19 and the main contact 13
28, the opening face of three face flash barrier 28 is set away from the main contact 13.
Seen from the above description, three face flash barriers can increase the creepage distance between terminal plate and main contact.
Further, cover board 18 is further included, the back side of the base 3 is provided with the 19 corresponding position of terminal plate
Storage tank 23, is provided with buckle in the storage tank 23, the cover board 18 is covered on the storage tank 23, and is set on cover board 18
Have and the matched grab of buckle.
Seen from the above description, the storage tank 23 can be attached conveniently coil block and terminal plate, the cover board
Connecting line between the two can be closed；Be engaged at cover board and storage tank 23 with grab and buckle, convenient dismounting and
Installation.
Further, installing plate 27 is further included, the installing plate 27 is connected to the side of the base 3, and the installation
Plate 27 and the base 3 are perpendicular or parallel.
Seen from the above description, the installing plate is used to contactor being installed on frequency converter, and installing plate mutually hangs down with base
, can be by the vertical installation of contactor when straight；, can be by the horizontal installation of contactor when installing plate is parallel with base.
Embodiment
Fig. 1 to Fig. 8 is refer to, the embodiment one of the utility model is：A kind of high insulated contact device, is applicable to frequency converter
In, which includes arc-extinguish chamber 6, base 3, main contact 13, tactile axle assemble and coil block.The main contact 13 is set
The front of the base 3 is placed in, the number of main contact 13 is two, is respectively arranged at the left and right sides of the base 3.The master
Thermosetting property pad 14 is provided between contact 13 and base 3.As shown in fig. 6, the back side of the base 3 is provided with the first counterbore
24, the correspondence position at 13 back side of main contact is provided with threaded hole, sets screw assemblies 21 in first counterbore 24, described group
Screw 21 is closed main contact 13 and thermosetting property pad 14 are lock onto on the base 3 with threaded hole cooperation.The combination spiral shell
Nail 21 is equipped with insulating cell 22 positioned at the end cover of the first counterbore 24.
The arc-extinguish chamber 6 is arranged at the front of the base 3, and arc-extinguish chamber 6 is set with 13 corresponding position of main contact
There is fluting, for the opening of the fluting towards main contact 13, the fluting is interior to be filled with permanent magnet 7.In the present embodiment, it is described to go out
The left and right sides of arc cover 6 is respectively arranged with a fluting, the fluting it is opening down.
The tactile axle assemble is arranged in the arc-extinguish chamber 6, touch axle assemble include push rod 10, ceramic substrate 12, touch bridge 8,
Contact bushing 9 and touch spring 11, are provided with centre bore 31 on the base 3, the push rod 10 is inserted in the centre bore 31
It is interior；The material of the ceramic substrate 12 is industrial ceramics, and high mechanical strength is wear-resisting, high temperature resistant and is not easy scaling-off.The pottery
Ceramic liner pad 12 is socketed on the push rod 10, and the tactile bridge 8 is socketed on the ceramic substrate 12, the ceramic substrate 12 and institute
The corresponding position in lower face for stating tactile bridge 8 is provided with the positioning protrusion of annular；The height of the positioning protrusion is 5mm.It is described
Contact bushing 9 is also sheathed on the ceramic substrate 12, and contact bushing 9 is located above the tactile bridge 8.The touch spring
11 one end is connected to the top of the contact bushing 9, and the other end of contact bushing 9 is fixed on the top of push rod 10.Preferably,
The upper end of the contact bushing 9 is provided with annular groove, and one end of the touch spring 11 is held in the groove of the annular groove
Bottom, the other end of touch spring 11 are fixed on the top of push rod 10.The upper surface of contact bushing 9 is the double borderline structures of annular, can
Increase the creepage distance of touch spring 11 and tactile bridge 8, avoid product from puncturing, break down.Further, the base 3 is being just
Face is additionally provided with two annular convex platform 26, and described two annular convex platform 26 are surrounded on around the centre bore 31.The ring of outer ring
Height of projection higher of the shape boss 26 than the annular convex platform 26 of inner ring.
The coil block is arranged at the back side of the base 3.The coil block include sleeve 1, bottom plate 5, winding 2,
Coil rack 4, quiet iron 17 and dynamic iron 15, the bottom plate 5 is covered on the top of the sleeve 1, and leads between bottom plate 5 and sleeve 1
Four rivets are crossed to be riveted；The coil rack 4 is arranged in the sleeve 1, and the top of the coil rack 4, which is provided with, determines
Position convex closure, location hole is provided with the bottom plate 5 with the corresponding position of positioning convex closure, and positioning convex closure is engaged with location hole,
It can ensure the concentricity of coil and bottom plate 5.The winding 2 is set around on the coil rack 4 and forms coil component, then carries out
Special process is wrapped up, reinforced insulation performance.The quiet iron 17 is fixed on the centre of the coil rack 4；The dynamic iron 15 is set
In the top of the quiet iron 17, and reaction spring 16 is provided between quiet iron 17 and dynamic iron 15；The dynamic iron 15 is connected to described
The bottom of push rod 10.Riveted between the quiet iron 17 and the sleeve 1 by shaping.The front of the base 3 is provided with second
Nut 20, during assembling, is first positioned in the second counterbore 25 by counterbore 25, and coil block is connected by screw from the back side of base 3
In the nut 20, then again successively in the front installation thermosetting property pad 14 and main contact 13 of base 3.
As shown in Figure 4 and Figure 5, the side of the base 3 is provided with slot, and a terminal plate 19 is inserted with the slot,
The terminal plate 19 is fitted close with the slot.The terminal plate 19 is connected with the coil block wiring, for coil
Component is powered.The back side of the base 3 is provided with storage tank 23, the coil with the 19 corresponding position of terminal plate
The connecting line of component and terminal plate 19 is placed in the storage tank 23.Buckle, the cover board are provided with the storage tank 23
18 are covered on the storage tank 23, and are provided with cover board 18 and the matched grab of buckle.The terminal plate 19 and institute
State and be provided with three face flash barriers 28 on 3 end face of base between main contact 13, i.e., described three faces flash barrier 28 includes three faces, separately
Outer one side opening, the opening face of three face flash barrier 28 are set away from the main contact 13.
The high insulated contact device further includes installing plate 27, the installing plate 27 be used for other devices (such as frequency converter) into
Row connection, the installing plate 27 are connected to the side of the base 3, and the installing plate 27 and the base 3 be perpendicular or phase
It is parallel.The installing plate is wholely set with the base.As shown in fig. 7, when installing plate 27 and the perpendicular base 3, the height
Insulated contact device can carry out vertical installation；As shown in figure 8, when installing plate 27 is parallel with the base 3, the high insulated contact device
It can carry out horizontal installation.
In conclusion high insulated contact device provided by the utility model is simple in structure, arc extinguishing ability and the class of insulation are high, energy
Enough it is suitable for a variety of occasions high to insulating requirements.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model, are directly or indirectly used in relevant technology neck
Domain, is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of high insulated contact device, it is characterised in that including arc-extinguish chamber and base, the front of the base is fixed with main touch
Head；The arc-extinguish chamber is arranged at the front of the base, and arc-extinguish chamber is provided with fluting with the corresponding position of main contact, described
For the opening of fluting towards main contact, the fluting is interior to be filled with permanent magnet.
2. high insulated contact device as claimed in claim 1, it is characterised in that further include thermosetting property pad, the thermosetting property lining
Pad is arranged between the main contact and base.
3. high insulated contact device as claimed in claim 1, it is characterised in that push rod, ceramic liner are provided with the arc-extinguish chamber
Pad, touch bridge, contact bushing and touch spring, is provided with centre bore on the base, the push rod is inserted in the centre bore；
The ceramic substrate is socketed on the push rod, and the tactile bridge is socketed on the ceramic substrate, the ceramic substrate with it is described
The corresponding position in lower face for touching bridge is provided with the positioning protrusion of annular；The contact bushing is arranged at the upper end of the tactile bridge
Face, the upper end of the contact bushing are provided with annular groove, and one end of the touch spring is held in the groove of the annular groove
Bottom, the other end of touch spring are fixed on the top of push rod.
4. high insulated contact device as claimed in claim 3, it is characterised in that the front of the base is additionally provided with two annulars
Boss, described two annular convex platform are surrounded on around the centre bore.
5. high insulated contact device as claimed in claim 3, it is characterised in that further include coil block, the coil block is set
It is placed in the back side of the base；The coil block includes sleeve, bottom plate, winding, coil rack, quiet iron and dynamic iron, the bottom
Plate is covered on the top of the sleeve；The coil rack is arranged in the sleeve, and the top of the coil rack is provided with
Convex closure is positioned, the corresponding position of positioning convex closure is provided with location hole on the bottom plate；The winding is set around the coil
On skeleton；The quiet ferropexy is in the centre of the coil rack；The dynamic iron is arranged at the top of the quiet iron, and quiet iron and
Reaction spring is provided between dynamic iron；The dynamic iron is connected to the bottom of the push rod.
6. high insulated contact device as claimed in claim 5, it is characterised in that pass through shaping between the quiet iron and the sleeve
Riveting.
7. high insulated contact device as claimed in claim 1, it is characterised in that further include terminal plate, the side of the base is set
Slot is equipped with, the terminal plate is inserted in the slot.
8. high insulated contact device as claimed in claim 7, it is characterised in that the bottom between the terminal plate and the main contact
Seat is provided with three face flash barriers on end face, and the opening face of three face flash barrier is set away from the main contact.
9. high insulated contact device as claimed in claim 7, it is characterised in that further include cover board, the back side of the base and institute
State the corresponding position of terminal plate and be provided with storage tank, buckle is provided with the storage tank, the cover plate lid is arranged on the appearance
Groove is put, and is provided with cover board and the matched grab of buckle.
10. high insulated contact device as claimed in claim 1, it is characterised in that further include installing plate, the installing plate is connected to
The side of the base, and the installing plate is perpendicular or parallel with the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721287476.3U CN207264979U (en) | 2017-09-29 | 2017-09-29 | A kind of high insulated contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721287476.3U CN207264979U (en) | 2017-09-29 | 2017-09-29 | A kind of high insulated contact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207264979U true CN207264979U (en) | 2018-04-20 |
Family
ID=61916554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721287476.3U Active CN207264979U (en) | 2017-09-29 | 2017-09-29 | A kind of high insulated contact device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207264979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112189247A (en) * | 2018-04-24 | 2021-01-05 | 泰连公司 | Electromechanical switch with movable contact and damper |
-
2017
- 2017-09-29 CN CN201721287476.3U patent/CN207264979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112189247A (en) * | 2018-04-24 | 2021-01-05 | 泰连公司 | Electromechanical switch with movable contact and damper |
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