CN108133868A - A kind of D.C. contactor contact system - Google Patents
A kind of D.C. contactor contact system Download PDFInfo
- Publication number
- CN108133868A CN108133868A CN201711471061.6A CN201711471061A CN108133868A CN 108133868 A CN108133868 A CN 108133868A CN 201711471061 A CN201711471061 A CN 201711471061A CN 108133868 A CN108133868 A CN 108133868A
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- CN
- China
- Prior art keywords
- contact
- moving
- arcing
- plate
- static
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003068 static effect Effects 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention provides a kind of D.C. contactor contact systems, including lead-in line row, moving contact component and static contact component, lead-in line row includes pedestal and upper busbar and flexible coupling joint, moving contact component includes dynamic contact mechanism and arcing contact mechanism, the dynamic contact mechanism includes contact plate and moving contact, the arcing contact mechanism includes limiting plate, moving arcing contact seat and moving arcing contact, limiting plate is fixedly connected with the moving contact, positioning pin is fixed on limiting plate, one end of moving arcing contact seat is sleeved on the positioning pin, the other end fixes moving arcing contact, arcing contact compression spring is arranged on positioning pin, the lower end of arcing contact compression spring is connected on the moving arcing contact seat, copper litz wire is electrically connected between moving contact and the arcing contact plate, static contact component includes static contact corresponding with moving contact and moving arcing contact and static arc contact respectively.The present invention has many advantages, such as long lifespan, strong breaking capacity, good reliability, compact-sized, small and convenient for installation and maintenance.
Description
Technical field
The present invention relates to device for switching technical field more particularly to a kind of D.C. contactor contact systems.
Background technology
Contactor refers to frequently to close, carry and cut-off cut-offfing and closing dress for normal current and defined overload current
It puts, is widely used in electric power, distribution and electrical equipment.Probe of contactor is driven using Direct Action Type driving or rotary type mostly
Flowing mode, corresponding contact closure mode is respectively Direct Action Type and rotary type.
The contact system of type of drive is rotated since dust and tiny sundries cause contact surface filthy, influences current-carrying, together
When rotation type of drive contact for single break, the arc time is slightly longer than the arc time of double-fracture under equal conditions, so as to lead
It causes contact ablation more serious, causes the reliability of contactor and the reduction in service life.Meanwhile suitable for the arcing contact system of contactor
Current capacity is smaller, it is difficult to realize high current disjunction.
Invention content
The purpose of the present invention is to provide a kind of D.C. contactor contact systems, it is intended to for solving existing contact system
The problem of current capacity is small, reliability is low.
The invention is realized in this way：
The present invention provides a kind of D.C. contactor contact system, including lead-in line row, moving contact component and static contact component, it is described into
Line row includes pedestal, upper busbar and flexible coupling joint, and the upper busbar and the flexible coupling joint are each attached on the pedestal,
The moving contact component includes dynamic contact mechanism and arcing contact mechanism, and the dynamic contact mechanism includes contact plate and moving contact, institute
The one end for stating contact plate is connect with the flexible coupling joint, and the other end is connect with the moving contact, and the arcing contact mechanism includes
Limiting plate, moving arcing contact seat and moving arcing contact, the limiting plate are fixedly connected with the moving contact, fixed on the limiting plate
There is positioning pin, one end of the moving arcing contact seat is sleeved on the positioning pin, and the other end is fixed with the moving arcing contact, described fixed
Arcing contact compression spring is arranged on the pin of position, the lower end of the arcing contact compression spring is connected on the moving arcing contact seat, the moving contact
It is electrically connected between the arcing contact seat by copper litz wire, the static contact component includes stationary contact corresponding with the moving contact
Head and static arc contact corresponding with the moving arcing contact.
Further, the moving contact component further includes the driving plate positioned at the contact plate bottom, the driving plate
Both ends are fixed respectively by bolt and the contact plate.
Further, there is interval, an axis pin passes through the contact plate and institute between the driving plate and the contact plate
State driving plate and in the both ends of the axis pin be equipped with block circle, the axis pin be pierced by the contact plate part be nested and fixed it is tactile
Head spring.
Further, the limiting plate includes the fixed part fitted on the moving contact and the limit being connect with fixed part
Position portion, the positioning pin are fixed on the limiting section, between the fixed part, the moving contact and the contact plate three
It is bolted to connection.
Further, the both ends of the limiting section are respectively provided with the stop section upwardly extended.
Further, the contact surface of the moving arcing contact is less than the contact surface of the moving contact.
Further, the contact surface of the moving contact is arc surface, and the contact surface of the static contact is plane.
Further, the contact surface of the moving arcing contact is the inclined-plane to match with the contact surface of the static arc contact.
Further, the static contact component further includes lower busbar, arc leading angle and blowout coil, the blowout coil position
Between the lower busbar and the arc leading angle, and two leads of the blowout coil connect respectively with lower busbar and arc leading angle
It connects, the static contact is welded on lower busbar, and the static arc contact is riveted on arc leading angle.
Further, the static contact component further includes magnetic conductive board, and the blowout coil is fixed with the magnetic conductive board.
Compared with prior art, the invention has the advantages that：
This D.C. contactor contact system provided by the invention, moving contact form main contact component, moving arcing contact with static contact
Arcing contact component is formed with static arc contact, main contact component and arcing contact component match, and can realize that stable high current carries
Stream；Dynamic contact mechanism and moving arcing contact mechanism are electrically connected by copper litz wire, it can be achieved that dynamic contact mechanism and moving arcing contact mechanism are soft
Property connection, degree of freedom is high, good conductivity；Moving arcing contact by moving arcing contact cover for seat on positioning pin, it is only anti-by arcing contact compression spring
Power effect is fixed, can in certain range knee springing, and then realizing actuation is closed after arcing contact is first closed main contact,
Main contact first disconnects the sequence of movement disconnected after arcing contact during disconnection, realizes main contact thick-less vane, realizes protection main contact
Purpose, and complete the automatic function of catering to compensation, ensure that the reliability of contact connection.
Description of the drawings
Fig. 1 is structural representation of the D.C. contactor contact system contact provided in an embodiment of the present invention at releasing position
Figure；
Fig. 2 is knot when D.C. contactor contact system main contact provided in an embodiment of the present invention is closed, arcing contact mutually slides
Structure schematic diagram；
Fig. 3 is the structure diagram of the lead-in line row of D.C. contactor contact system provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of the moving contact component of D.C. contactor contact system provided in an embodiment of the present invention；
Fig. 5 is the structure diagram of the static contact component of D.C. contactor contact system provided in an embodiment of the present invention.
Reference sign：1-lead-in line row, 2-moving contact component, 3-static contact component, 11-upper busbar, 12-bottom
Seat, 13-flexible coupling joint, 21-driving plate, 22-dynamic contact mechanism, 23-arcing contact mechanism, 24-copper litz wire, 221-
Contact plate, 222-axis pin, 223-touch spring, 224-moving contact, 231-positioning pin, 232-arcing contact compression spring, 233-
Moving arcing contact seat, 234-moving arcing contact, 241-limiting plate, 2411-fixed part, 2412-limiting section, 2413-stop section,
31-pedestal, 32-lower busbar, 33-static contact, 34-magnetic conductive board, 35-static arc contact, 36-arc leading angle, 37-magnetic blow-out line
Circle.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without making creative work
Embodiment shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of D.C. contactor contact system, including lead-in line row 1, moves
Contact assembly 2 and static contact component 3.Such as Fig. 3, the lead-in line row 1 includes pedestal 12, upper busbar 11 and flexible coupling joint 13, institute
It states busbar 11 and the flexible coupling joint 13 is each attached on the pedestal 12.Such as Fig. 4, the moving contact component 2 includes
Dynamic contact mechanism 22 and arcing contact mechanism 23, the dynamic contact mechanism 22 include contact plate 221 and moving contact 224, the contact
One end of plate 221 is connect with the flexible coupling joint 13, and the other end bends downward and connect with the moving contact 224, described dynamic
Contact 224 has the linkage section that is bonded with the bending segment of the contact plate 221 and from the horizontal-extending contact-segment of linkage section.Institute
It states arcing contact mechanism 23 and includes limiting plate 25, moving arcing contact seat 233 and moving arcing contact 234, the limiting plate 25 is moved with described
Contact 224 is fixedly connected, and is fixed with positioning pin 231 on the limiting plate 25, and one end of the moving arcing contact seat 233 is sleeved on described
On positioning pin 231, the other end is fixed with the moving arcing contact 234, and arcing contact compression spring 232, institute are arranged on the positioning pin 231
The lower end for stating arcing contact compression spring 232 is connected on the moving arcing contact seat 233, and upper end is connected to the top of the positioning pin 231
Baffle ring is electrically connected between the moving contact 224 and the moving arcing contact seat 233 by copper litz wire 24, described in the present embodiment
Limiting plate 25 uses conductive material, and contacts and is conductively connected with the moving contact 224, the copper litz wire 24 respectively with it is described
Limiting plate 25 and the moving arcing contact seat 233 are welded to connect, realize moving arcing contact seat 233 be flexible coupling and moving contact 224 with
Satisfactory electrical conductivity between moving arcing contact seat 233.The static contact component 3 includes and the 224 corresponding static contact of moving contact
33 and with the 234 corresponding static arc contact 35 of moving arcing contact, main contact component and arcing contact component are matched, can be realized
Stable high current current-carrying.The moving arcing contact seat 233 can relatively described positioning pin 231 slide, it is only anti-by arcing contact compression spring 232
Power effect fix, so as to the moving arcing contact 234 can in certain range knee springing, can realize actuation be arcing contact elder generation
It is closed after being closed main contact, main contact first disconnects the sequence of movement disconnected after arcing contact during disconnection, realizes main contact non-arc breaking
It is disconnected, it realizes the purpose of protection main contact, and complete the automatic function of catering to compensation, ensure that the reliability of contact connection.
As shown in figure 4, as the preferred of the present embodiment, the dynamic contact mechanism 22 is further included positioned at the contact plate 221
The driving plate 21 of lower section, the both ends of the driving plate 21 are fixed respectively by bolt and the contact plate 221, the driving plate 21
There is interval between the contact plate 221, an axis pin 222 passes through the contact plate 221 and the driving plate 21 and in described
The both ends of axis pin 222 are equipped with block circle, and touch spring is nested and fixed in the part that the axis pin 222 is pierced by the contact plate 221
223, one end of the touch spring 223 is abutted with the block circle of 222 upper end of axis pin, the other end and the contact plate 221
It abuts, provides enough contact pressures for main noddle on contactor contact, touch-safe is reliable.Rank may be used in the driving plate 21
Iron is attracted the raising and lowering for realizing driving plate 21 by coil and armature, and then the contact plate 221, described move is driven to touch
First 224 and the raising and lowering of the moving arcing contact 234, and then realize the company of the moving contact 224 and the static contact 33
It connects and the connection of the moving arcing contact 234 and the static arc contact 35.
As shown in figure 4, as the preferred of the present embodiment, the limiting plate 25 includes fitting on the moving contact 224
Fixed part 251 and the limiting section 252 being connect with fixed part 251, the positioning pin 231 are fixed on the limiting section 252, institute
It states to fix by same bolt between 221 three of fixed part 251, the linkage section of the moving contact 224 and the contact plate and connect
It connects, is fixed conveniently.Further, the both ends of the limiting section 252 are respectively provided with the stop section 253 upwardly extended, for institute
It states moving arcing contact seat 233 and carries out left and right limiting.
As shown in figure 4, as the preferred of the present embodiment, the moving arcing contact seat 233 is in bending, and the shape of bending causes
The contact surface of the moving arcing contact 234 is less than the contact surface of the moving contact 224, it is achieved thereby that it is that arcing contact is first closed to be attracted
It is closed after main contact, main contact first disconnects the sequence of movement disconnected after arcing contact during disconnection.It is described as the preferred of the present embodiment
The contact surface of moving contact 224 is arc surface, and the contact surface of the static contact 33 is plane, realizes that main noddle on contactor can be abutted against
It touches.As the preferred of the present embodiment, the contact surface of the static arc contact 35 is inclined-plane, and the contact surface of the moving arcing contact 234 is
The inclined-plane to match with the contact surface of the static arc contact 35, and opposite can be slided in breaking course connecting, it can be automatically clear
Except dust, careful sundries and surface oxide layer, prevent electric shock Welding Phenomena, can effectively extend the contact service life.
As shown in figure 5, further, the static contact component 3 includes pedestal 31, lower busbar 32, arc leading angle 36, magnetic conductive board
34 and blowout coil 37, the static contact 33 be welded on lower busbar 32, the static arc contact 35 is riveted on arc leading angle 36,
Static contact 33 and static arc contact 35 are directly anchored to by trip bolt on pedestal 31, the blowout coil 37 and the magnetic conductive board
34 fix, and the blowout coil 37 is between the lower busbar 32 and the arc leading angle 36, and the blowout coil 37
Two leads are connect respectively with lower busbar 32 and arc leading angle 36, realize it is in parallel with major loop so that arc quenching system reaction speed faster,
Reliability higher improves the breaking capacity of contact.
In conclusion the present invention has long lifespan, strong breaking capacity, good reliability, compact-sized, small and installation dimension
Protect the advantages that facilitating.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of D.C. contactor contact system, including lead-in line row, moving contact component and static contact component, it is characterised in that：Institute
It states lead-in line row and includes pedestal, upper busbar and flexible coupling joint, the upper busbar and the flexible coupling joint are each attached to the bottom
On seat, the moving contact component includes dynamic contact mechanism and arcing contact mechanism, and the dynamic contact mechanism includes contact plate and move to touch
Head, one end of the contact plate are connect with the flexible coupling joint, and the other end is connect with the moving contact, the arcing contact mechanism
Including limiting plate, moving arcing contact seat and moving arcing contact, the limiting plate is fixedly connected with the moving contact, on the limiting plate
Positioning pin is fixed with, one end of the moving arcing contact seat is sleeved on the positioning pin, and the other end is fixed with the moving arcing contact, institute
It states and arcing contact compression spring is arranged on positioning pin, the lower end of the arcing contact compression spring is connected on the moving arcing contact seat, described dynamic
It is electrically connected between contact and the arcing contact seat by copper litz wire, the static contact component includes corresponding with the moving contact
Static contact and static arc contact corresponding with the moving arcing contact.
2. D.C. contactor contact system as described in claim 1, it is characterised in that：The moving contact component, which further includes, to be located at
The driving plate of the contact plate bottom, the both ends of the driving plate are fixed respectively by bolt and the contact plate.
3. D.C. contactor contact system as claimed in claim 2, it is characterised in that：The driving plate and the contact plate it
Between there is interval, an axis pin passes through the contact plate and the driving plate and is equipped with block circle in the both ends of the axis pin, described
Touch spring is nested and fixed in the part that axis pin is pierced by the contact plate.
4. D.C. contactor contact system as described in claim 1, it is characterised in that：The limiting plate includes fitting in described
Fixed part on moving contact and the limiting section being connect with fixed part, the positioning pin is fixed on the limiting section, described solid
Determine to be bolted to connection between portion, the moving contact and the contact plate three.
5. D.C. contactor contact system as claimed in claim 4, it is characterised in that：The both ends of the limiting section are respectively provided with
The stop section upwardly extended.
6. D.C. contactor contact system as described in claim 1, it is characterised in that：The contact surface of the moving arcing contact is less than
The contact surface of the moving contact.
7. D.C. contactor contact system as described in claim 1, it is characterised in that：The contact surface of the moving contact is circular arc
Face, the contact surface of the static contact is plane.
8. D.C. contactor contact system as described in claim 1, it is characterised in that：The contact surface of the moving arcing contact be with
The inclined-plane that the contact surface of the static arc contact matches.
9. D.C. contactor contact system as described in claim 1, it is characterised in that：The static contact component further includes lower mother
Row, arc leading angle and blowout coil, the blowout coil is between the lower busbar and the arc leading angle, and the magnetic blow-out
Two leads of coil are connect respectively with lower busbar and arc leading angle, and the static contact is welded on lower busbar, the static arc contact riveting
It is connected on arc leading angle.
10. D.C. contactor contact system as claimed in claim 9, it is characterised in that：The static contact component, which further includes, leads
Magnetic sheet, the blowout coil are fixed with the magnetic conductive board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471061.6A CN108133868B (en) | 2017-12-29 | 2017-12-29 | Direct current contactor contact system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471061.6A CN108133868B (en) | 2017-12-29 | 2017-12-29 | Direct current contactor contact system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108133868A true CN108133868A (en) | 2018-06-08 |
| CN108133868B CN108133868B (en) | 2024-04-30 |
Family
ID=62393505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711471061.6A Active CN108133868B (en) | 2017-12-29 | 2017-12-29 | Direct current contactor contact system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108133868B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203492A (en) * | 2021-12-23 | 2022-03-18 | 江苏其厚智能电气设备有限公司 | Plastic shell type circuit breaker contact system with arc contacts |
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| CN114203492A (en) * | 2021-12-23 | 2022-03-18 | 江苏其厚智能电气设备有限公司 | Plastic shell type circuit breaker contact system with arc contacts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108133868B (en) | 2024-04-30 |
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