CN208655458U - A kind of high-voltage DC contactor with auxiliary monitoring function - Google Patents
A kind of high-voltage DC contactor with auxiliary monitoring function Download PDFInfo
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- CN208655458U CN208655458U CN201821549867.2U CN201821549867U CN208655458U CN 208655458 U CN208655458 U CN 208655458U CN 201821549867 U CN201821549867 U CN 201821549867U CN 208655458 U CN208655458 U CN 208655458U
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- voltage
- contact
- contactor
- insulating base
- monitoring function
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Abstract
The utility model discloses a kind of high-voltage DC contactor with auxiliary monitoring function, which additionally uses permanent magnet magnetic quenching method in addition to using inert gas arc-suppressing method.Traditional contactors are to improve arc quenching effect by increasing gap, but for the contactor of high voltage, high current, when contact disconnects, cleaved facet can generate a large amount of electric arcs in contact, and only to carry out arc quenching effect by increase gap unobvious.The utility model has permanent magnet in the design of dynamic and static contact both sides, switch on and off dynamic and static contact in magnetic field, the electric arc generated between contact is a large amount of charged ions, effect of the charged ion by Lorentz force in magnetic field, according to left hand rule, electric arc is moved along the direction perpendicular to magnetic field, electric arc deflects, electric arc is set to burn outside contact, electric arc is cooling rapidly after being elongated, to have the function that arc extinguishing.
Description
Technical field
The utility model discloses a kind of high-voltage DC contactor, especially a kind of high voltage direct current with auxiliary monitoring function
Contactor.
Background technique
With the development of science and technology, aviation develops to multi-functional, multipurpose, more its of function uses equipment and member
Device is more, all these demands both increased to aeronautical power generation.The high-voltage DC contactor for having auxiliary monitoring function exists
Complete it is more efficient when these larger power supplies, so aviation contactor develops to high pressure direction.In addition auxiliary prison
Cable needed for brake high-voltage DC contactor is less, facilitates the electric energy and weight ratio that optimize aerospace flight vehicle.Mesh
The high-power contactor that preceding aerospace field uses all is that arc extinguishing ability is weak, and does not have auxiliary monitoring function, is especially existed
When switching on and off high voltage, high current, electrical arc erosion is strong, pitting of contact is serious, eventually leads to reliability and the service life of product
It reduces.
Utility model content
In order to solve the problems of existing D.C. contactor, the utility model is in this to be designed to provide one kind
Arc quenching effect is good, the high-voltage DC contactor with auxiliary monitoring function of high reliablity.
A kind of high-voltage DC contactor with auxiliary monitoring function provided by the utility model includes housing, pedestal and connects
Unit is touched, the osculating element includes pole shoe, coil, connecting rod, armature, main buckle, magnetizer, cover board, main contacts pressure spring, dynamic touching
Point, insulating base, permanent magnet, stationary contact and ceramics seat, the pole shoe and the armature ecto-entad are sequentially placed into the coil,
One end of the connecting rod is placed in the armature, and the main buckle is placed between the armature and the connecting rod；The magnetizer
The upper surface of the coil is successively posted by with the cover board and is posted by the periphery of the connecting rod, and the insulating base reclines setting
Between the cover board and the ceramics seat；The other end of the connecting rod extends in the insulating base, and the movable contact reclines
The top in the insulating base is placed in the connecting rod, and the main contacts pressure spring, which reclines, the connecting rod setting and is located at the dynamic touching
The lower section of point, the stationary contact are placed in the ceramics seat, and one end extends downward into the insulating base and is located at the dynamic touching
The top of point；The permanent magnet is placed in the both sides of the movable contact and the stationary contact；The housing and the pedestal constitute peace
Fill the cavity of the osculating element, the ceramics seat reclines the inner wall of the pedestal, and the other end of the stationary contact upwardly extends
Its top is set to be located at the top of the outer surface of the pedestal；Inert gas is filled in the osculating element.
Further, D.C. contactor provided by the utility model further includes auxiliary switch part, the auxiliary switch portion
Dividing includes switch plunger, microswitch, circuit board and pin, and one end of the switch plunger acts on the movable contact, separately
One end is located at the lower section of the microswitch, and the microswitch and the circuit board are installed on the insulating base, described micro-
Dynamic switch is connected with the circuit board, and the output signal of the microswitch exports after the pin.Since movable contact is in
It is switched on or switched off state and is not easy discernable, needs just to can determine that by some subtests, utilize the application auxiliary switch
Part can judge that the contact of microswitch is on or off by outer connection indicator light etc., to realize judgement movable contact
It is in connecting and disconnecting state.
Further, D.C. contactor provided by the utility model further includes exhaust tube.It can be facilitated by exhaust tube
Fill and inert gas and vacuumize into osculating element.
Further, D.C. contactor provided by the utility model further includes the sealing ring for being placed in the insulating base periphery
With the yoke for being placed in the coil periphery, the sealing ring is connected with the yoke.Osculating element is enhanced by sealing ring
Leakproofness, the setting of yoke enhances the suction-combining force of electromagnetic coil.
Further, D.C. contactor provided by the utility model further includes insulating trip, and the insulating trip is placed in described
Between yoke and the housing.
High-voltage DC contactor provided by the utility model has the following characteristics that
1, arc-chutes design: the arc-suppressing method is that contact unit is used unique ceramic insulation metal sealing skill
The dynamic and static contact of product is sealed by art, and is isolated with outside air to obtain higher insulation and pressure resistance.In arc-chutes
It has carried out vacuumizing and being filled with inert gas, contact unit can be made to keep good insulation and pressure resistance, mentioned for high-voltage contact
Stable handoff environment has been supplied, oxidation and corrosivity are reduced.After vacuumizing simultaneously and be filled with inertia, contact portion is being cut-off greatly
It generally all can automatic distinguishing when load.Why can extinguish, be to pass through pumping because electric arc itself is the metal high voltage area of evaporation
After vacuum and inflation processing, there is no the presence of air or active gases around arcing, it is ensured that it is good insulation and pressure-resistant environment,
The function of finally realizing rapid arc extinguishing makes contactor that contact melted adhesion not occur when switching heavy load, ensure that contact
The service life of device and the reliability of performance.
2, permanent magnet magnetic quenching designs: for high voltage connector, the key for switching high-voltage load reliability is being contacted
The arc extinguishing of device designs.The utility model additionally uses permanent magnet magnetic quenching method in addition to using above-mentioned arc-suppressing method.Tradition connects
Tentaculum is to improve arc quenching effect by increasing gap, but for the contactor of high voltage, high current, when contact disconnects, in contact
Cleaved facet can generate a large amount of electric arcs, and it is unobvious only to carry out arc quenching effect by increase gap.The utility model is set on dynamic and static contact both sides
In respect of permanent magnet, switch on and off dynamic and static contact in magnetic field, the electric arc generated between contact is a large amount of charged ions, in magnetic
Effect of the charged ion by Lorentz force in, according to left hand rule, electric arc is moved along the direction perpendicular to magnetic field, electric arc hair
Raw deflection, makes electric arc burn outside contact, and electric arc is cooling rapidly after being elongated, to have the function that arc extinguishing.
3, auxiliary switch part is designed: for high-voltage DC contactor, due to the limitation of arc-chutes, auxiliary monitoring switch is set
Meter is always the difficult point of design.The utility model is that auxiliary monitoring switch designs are mounted on insulating base, by circuit board with
Auxiliary switch monitoring model output will be pushed the switch plunger of auxiliary switch connecting and disconnecting to be mounted in connecting rod by pin connection
Upper and movable contact moves at the same time, to realize the switching of auxiliary switch and the monitoring of main contacts transition status.
The beneficial effects of the utility model are: arc quenching effect is good, superior performance, load voltage is high, dependable with function
Height has auxiliary monitoring function.
Detailed description of the invention
Fig. 1 is the structural front view of D.C. contactor provided by the utility model；
Fig. 2 is the A-A view in Fig. 1；
Fig. 3 is the structure top view of D.C. contactor provided by the utility model；
Fig. 4 is the structural schematic diagram of circuit board provided by the utility model；
Fig. 5 is the composite structural diagram of circuit board and microswitch documented by the utility model；
In figure: 1- housing, 2- pedestal, 3- pole shoe, 4- coil, 5- connecting rod, 6- armature, 7- main buckle, 8- magnetizer, 9- lid
Plate, 10- main contacts pressure spring, 11- movable contact, 12- switch plunger, 13- insulating base, 14- permanent magnet, 15- stationary contact, 16- ceramics
Seat, 17- microswitch, 18- circuit board, 19- pin, 20- exhaust tube, 21- sealing ring, 22- yoke, 23- insulating trip, 24- card
Circle.
Specific embodiment
The drawings and specific embodiments are combined to make the application technical solution claimed herein further details of
Explanation.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, the utility model technical solution claimed is a kind of with auxiliary monitoring function
High-voltage DC contactor, which includes housing 1, pedestal 2 and osculating element, and wherein osculating element includes pole shoe 3, line
Enclose 4, connecting rod 5, armature 6, main buckle 7, magnetizer 8, cover board 9, main contacts pressure spring 10, movable contact 11, insulating base 13, permanent magnet
14, stationary contact 15 and ceramics seat 16；Pole shoe 3 and 6 ecto-entad of armature are sequentially placed into coil 4, and one end of connecting rod 5 is placed in armature
In 6, main buckle 7 is placed between armature 6 and connecting rod 5；Magnetizer 8 and cover board 9 are successively posted by the upper surface of coil 4 and are posted by
The periphery of connecting rod 5, insulating base 13, which reclines, to be set between cover board 9 and ceramics seat 16；The other end of connecting rod 5 extends to insulating base 13
Interior, movable contact 11 is posted by the top that connecting rod 5 is placed in insulating base 13, and main contacts pressure spring 10, which reclines, the setting of connecting rod 5 and to be located at dynamic
The lower section of contact 11, stationary contact 15 are placed in ceramics seat 16, and one end extends downward into insulating base 13 and is located at movable contact 11
Top；Permanent magnet 14 is placed in the both sides of movable contact 11 and stationary contact 15；Housing 1 and pedestal 2 constitute the cavity of installation osculating element,
Ceramics seat 16 reclines the inner wall of pedestal 2, and the other end of stationary contact 15 upwardly extends the upper of the outer surface for making its top be located at pedestal 2
Side, for loading connection；Inert gas is filled with after vacuumizing in osculating element.
Wherein, movable contact 11 is blocked by retainer ring 24, is stable in it on connecting rod 5.
In addition, the D.C. contactor further includes auxiliary switch part, which includes switch plunger 12, fine motion
Switch 17, circuit board 18 and pin 19, wherein the structure of circuit board 18 as shown in figure 4, its composition figure with microswitch 17 such as
Shown in Fig. 5.One end of switch plunger 12 acts on movable contact 11, moves with the movement of movable contact 11, and the other end is located at micro-
The lower section of the movement reed of dynamic switch 17, microswitch 17 and circuit board 18 are installed on the insulating base 13, microswitch 17
It is connected with circuit board 18, the output signal of microswitch 17 exports after pin 19.
When contactor starts work, the switch plunger 12 in the auxiliary switch part connects as movable contact 11 moves upwards
Pull switch 12 is driven to move upwards when touching stationary contact, the movement reed for making pull switch 12 contradict microswitch 12 opens fine motion
Close the movable contact and fixed contact quick-make of 12 movement reed ends.Wherein, microswitch 12 is that no indication signal is defeated in itself
It out, is judged locating for product by connecting with instruction (such as indicator light) signal outside this product to connect with microswitch 12
State.
For the ease of to inert gas is vacuumized and be filled in osculating element, direct current provided by the utility model is connect
Tentaculum further includes exhaust tube 20, and one end of exhaust tube 20 is placed in outside D.C. contactor housing, and the other end is connected to inside osculating element.
After the completion of vacuumizing and being filled with inert gas, one end that exhaust tube 20 is placed in outside D.C. contactor housing is carried out with plug close
Envelope.
Further, which further includes being placed in the sealing ring 21 of 13 periphery of insulating base and being placed in coil periphery
Yoke 22 is connected together between sealing ring 21 and one end of yoke 22 by welding manner.
Further, which further includes insulating trip 23, and insulating trip 23 is placed between yoke 22 and housing 1.
The inert gas being filled in osculating element in D.C. contactor provided by the utility model can be any one
Kind has the inert gas of arc extinguishing effect, such as argon gas.
D.C. contactor provided by the utility model can be used for the high-voltage electricity on ground and aviation high voltage, high current
Device product.
The circuit theory for not having electronic component to constitute on circuit board 18 documented by the application only fixes microswitch
12, and for the effect of extraction wire, one end of conducting wire is connected to the output of microswitch 12, and the other end is outer for connecting after drawing
Portion's indicator light monitoring device.
Claims (7)
1. a kind of high-voltage DC contactor with auxiliary monitoring function, it is characterised in that: including housing (1), pedestal (2) and contact
Unit, the osculating element include pole shoe (3), coil (4), connecting rod (5), armature (6), main buckle (7), magnetizer (8), cover board
(9), main contacts pressure spring (10), movable contact (11), insulating base (13), permanent magnet (14), stationary contact (15) and ceramics seat (16), institute
It states pole shoe (3) and the armature (6) ecto-entad is sequentially placed into the coil (4), one end of the connecting rod (5) is placed in described
In armature (6), the main buckle (7) is placed between the armature (6) and the connecting rod (5)；The magnetizer (8) and the lid
Plate (9) is successively posted by the upper surface of the coil (4) and is posted by the periphery of the connecting rod (5), insulating base (13) patch
By being set between the cover board (9) and the ceramics seat (16)；The other end of the connecting rod (5) extends to the insulating base
(13) in, the movable contact (11) is posted by the top that the connecting rod (5) is placed in the insulating base (13), the main contacts pressure
Spring (10), which reclines, the connecting rod (5) setting and is located at the lower section of the movable contact (11), and the stationary contact (15) is placed in the pottery
In porcelain seat (16), one end extends downward into the top in the insulating base (13) and being located at the movable contact (11)；The permanent magnetism
Body (14) is placed in the both sides of the movable contact (11) and the stationary contact (15)；The housing (1) and the pedestal (2) constitute peace
Fill the cavity of the osculating element, the ceramics seat (16) reclines the inner walls of the pedestal (2), the stationary contact (15) it is another
End upwardly extends the top for the outer surface for making its top be located at the pedestal (2)；Inert gas is filled in the osculating element.
2. the high-voltage DC contactor according to claim 1 with auxiliary monitoring function, it is characterised in that: further include auxiliary
Switch sections, the auxiliary switch part include switch plunger (12), microswitch (17), circuit board (18) and pin (19), institute
The one end for stating switch plunger (12) acts on the movable contact (11), and the other end is located at the lower section of the microswitch (17),
The microswitch (17) and the circuit board (18) are installed on the insulating base (13), the microswitch (17) and described
Circuit board (18) connection, the output signal of the microswitch (17) export after the pin (19).
3. the high-voltage DC contactor according to claim 1 or 2 with auxiliary monitoring function, it is characterised in that: further include
Exhaust tube (20).
4. the high-voltage DC contactor according to claim 1 or 2 with auxiliary monitoring function, it is characterised in that: further include
The sealing ring (21) for being placed in the insulating base (13) periphery and the yoke (22) for being placed in the coil periphery, the sealing ring (21)
It is connected with the yoke (22).
5. the high-voltage DC contactor according to claim 3 with auxiliary monitoring function, it is characterised in that: further include being placed in
The sealing ring (21) of insulating base (13) periphery and the yoke (22) for being placed in the coil periphery, the sealing ring (21) and institute
Yoke (22) is stated to be connected.
6. the high-voltage DC contactor according to claim 4 with auxiliary monitoring function, it is characterised in that: further include insulation
Piece (23), the insulating trip (23) are placed between the yoke (22) and the housing (1).
7. the high-voltage DC contactor according to claim 5 with auxiliary monitoring function, it is characterised in that: further include insulation
Piece (23), the insulating trip (23) are placed between the yoke (22) and the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549867.2U CN208655458U (en) | 2018-09-21 | 2018-09-21 | A kind of high-voltage DC contactor with auxiliary monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549867.2U CN208655458U (en) | 2018-09-21 | 2018-09-21 | A kind of high-voltage DC contactor with auxiliary monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208655458U true CN208655458U (en) | 2019-03-26 |
Family
ID=65793004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821549867.2U Active CN208655458U (en) | 2018-09-21 | 2018-09-21 | A kind of high-voltage DC contactor with auxiliary monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208655458U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211845A (en) * | 2019-05-21 | 2019-09-06 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay with monitoring main contacts working condition function |
| US12002641B2 (en) | 2019-05-21 | 2024-06-04 | Xiamen Hongfa Electric Power Controls Co., Ltd. | High-voltage DC relay having a movable piece |
-
2018
- 2018-09-21 CN CN201821549867.2U patent/CN208655458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211845A (en) * | 2019-05-21 | 2019-09-06 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay with monitoring main contacts working condition function |
| US12002641B2 (en) | 2019-05-21 | 2024-06-04 | Xiamen Hongfa Electric Power Controls Co., Ltd. | High-voltage DC relay having a movable piece |
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