CN205680622U - A kind of single-pole dc contact - Google Patents
A kind of single-pole dc contact Download PDFInfo
- Publication number
- CN205680622U CN205680622U CN201620613884.2U CN201620613884U CN205680622U CN 205680622 U CN205680622 U CN 205680622U CN 201620613884 U CN201620613884 U CN 201620613884U CN 205680622 U CN205680622 U CN 205680622U
- Authority
- CN
- China
- Prior art keywords
- arc
- pole
- chutes
- contact
- plate
- 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.)
- Expired - Fee Related
Links
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
This utility model relates to a kind of single-pole dc contact, and including base assembly, arc-chutes and electromagnetic mechanism, described base assembly includes elliptical plate；The shell of described arc-chutes and described electromagnetic mechanism is oval column, and described arc-chutes are all identical with the shape of described elliptical plate with the ellipsoid on the shell of described electromagnetic mechanism.This utility model uses arc-chutes, and the seamless absorption respectively of the built-in magnetic conduction pole plate of permanent magnet is in the N pole of permanent magnet and the design of S pole, permanent magnet magnetic can be made to blow back road magnetic resistance reduce, do not exist and face Jie's current hazard, and arc blow-out effect is the best, single-pole dc contact arc extinguishing ability is made to reach the highest running voltage.
Description
Technical field
This utility model relates to a kind of Low Voltage Electrical Apparatus, is specifically related to a kind of single-pole dc contact.
Background technology
Existing single-pole dc contact, is mainly used in electric automobile, electri forklift, the startup of battery driven vehicle, stopping
With power-switching circuit control.Traditional D.C. contactor mainly include pedestal, control connect and the contact of disjunction circuit and
Operation electriomagnet mechanism, its structure is to use former Soviet Union MZJ type series aerospace catalyst or its modified model mostly.
And existing D.C. contactor is electromagnetic type bipolar DC contactor for electric motor coach mostly, running voltage
750V, can meet the requirement of battery operating voltage 600V.Its representative products has BCZ8-and BC98-Z series electromagnetic type direct current to contact
Device.Although this product functional reliability is the highest, arc extinction performance is good, but volume is relatively big, and electric motor coach, electric car are widely used,
Therefore can not meet electric automobile and day by day require the requirement of vehicle mounted electrical apparatus miniaturization.
The most use on the D.C. contactor that electric automobile and electricity vapour hybrid electric vehicle are used
Yoke mostly is U-shaped design, causes coil window area relatively small, and suction can not support to install the relative motion of auxiliary contact,
And the arc-chutes in existing D.C. contactor are generally stripe design, such as patent No. EP2325860A1, due to arc extinguishing space relatively
Little, cause its arc extinguishing incomplete.
Utility model content
The weak point existed for above-mentioned prior art, this utility model provides a kind of single-pole dc contact,
The installation dimension that the less space of electric automobile allows, solves prior art and is not provided that greater number of auxiliary contact, relatively
Big plenum space arc-chutes, and the problem of the electromagnetic mechanism of bigger suction.
The technical solution adopted in the utility model is:
A kind of single-pole dc contact, including base assembly, arc-chutes and electromagnetic mechanism,
Described base assembly is elliptical plate structure；
Described arc-chutes and described electromagnetic mechanism be elliptical cylinder, described arc-chutes and described electromagnetic mechanism on lead
The ellipsoid of magnetic sheet is all identical with the shape of described base assembly elliptical plate.
Further, described base assembly also includes that two static contacts, two described static contacts are symmetrically arranged at described ellipse
On the minor axis of shape flat board.
Further, described base assembly also includes that air-filled pore, described air-filled pore are located at the major axis of described elliptical plate
On line.
Further, the center of described elliptical plate is provided with instrument connection.
Further, the lower section on described elliptical plate surface is provided with permanent magnet, the both sides of described permanent magnet each with one
One end of magnetic conduction pole plate is connected, and two described magnetic conduction pole plates are inserted in described arc-chutes.
Further, described magnetic conduction pole plate and described permanent magnet seamless link.
Further, below described arc-chutes, be provided with arc extinguishing chamber cap, described arc-chutes be arranged over centre bore and setting
At the static contact through hole of described centre bore both sides, described static contact through hole is located at the oval minor axis above described arc-chutes
On, described static contact is sleeved in described arc-chutes by the static contact through hole of described arc-chutes.
Further, the both sides of the minor axis of described arc-chutes are respectively provided with two arc extinguishing rooms, in the institute of the both sides of minor axis
State and be equipped with central dividing plate between arc extinguishing room.
Further, described electromagnetic mechanism, including upper conduction magnetic board, iron core, armature, lower magnetic conductive board, coil and two pieces of yokes
Plate, described upper conduction magnetic board and described lower magnetic conductive board phase riveting are clamped described yoke by two-way sunk head rivet by two blocks of described yoke plates
Plate, two blocks of described yoke plates are arranged on described upper conduction magnetic board and the two ends of described lower magnetic conductive board ellipse major axis.
Further, described yoke plate is circular arc, and described coil is arranged on the inner circle loop of two described yoke plates
In.
The beneficial effects of the utility model are:
(1) this utility model uses molding pottery arc-chutes, and the seamless suction respectively of the built-in magnetic conduction pole plate of permanent magnet
It is attached to N pole and the design of S pole of permanent magnet, permanent magnet magnetic can be made to blow back road magnetic resistance and reduce, not exist and face Jie's current hazard, and
Arc blow-out effect is the best, makes single-pole dc contact arc extinguishing ability reach the highest running voltage.
(2) arc-chutes are elliptic cylindrical shape structure, are sleeved on static contact by static contact through hole, are internally provided with 4
Arc extinguishing room, when contact disjunction circuit produces electric arc, and electric arc is blown off static contact by magnetic field of permanent magnet, and at two breakpoints, electric arc is distinguished
Blow to two corresponding arc extinguishing rooms, in inert gas filled sufficiently large arc-chutes, electric arc is elongated cooling, heated
Noble gas is splashed after rising, and produces certain pressure, and covers downwards central dividing plate, blows to two other buffering arc extinguishing room, until
Extinguish, the arc-chutes of elliptic cylindrical shape structure, the long axis direction space of increase, it is provided that more identical than existing installation dimension is similar
The arc-chutes space of big 3 times of aerated product, obtains huge room for promotion to the functional reliability of inflation D.C. contactor.
(3) use folder riveting technology between upper and lower magnetic conductive board and the yoke plate of electromagnetic mechanism, make upper and lower magnetic conductive board tightly press from both sides
Jail yoke plate, makes to carry out between upper and lower magnetic conductive board and yoke plate seamless link, reduces magnetic resistance, increases electromagnetic attraction.By upper and lower
Magnetic conductive board designs in ellipticity, and yoke plate is arranged on major axis position, makes coil window area reach maximum.Make full use of space,
It is the product that installation dimension same volume is close, reaches the key Design measure that suction is bigger, solve installation dimension identical, body
Long-pending close many prior art products, it is impossible to precharge and the defect of auxiliary contact are provided.And the electricity in this utility model
Magnetic mechanism designs for slab construction, it is simple to press machine automated production, and efficiency is high, after yoke plate stamping and forming, can arrange end
Face machining, it is ensured that upper and lower magnetic conductive board is possibly realized with the seamless link of yoke plate, the assembling of whole electromagnetic mechanism, can be real
Existing automated production, efficiency is high, reduces the cost of labor day by day climbed to a higher point.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of single-pole dc contact of this utility model example embodiments；
Fig. 2 is the side view of a kind of single-pole dc contact of this utility model example embodiments；
Fig. 3 is the top view of the base assembly of this utility model example embodiments；
Fig. 4 is the sectional view of the base assembly of this utility model example embodiments；
Fig. 5 is the structural representation of the pushing mechanism of this utility model example embodiments；
Fig. 6 is the structural representation of the arc-chutes of this utility model example embodiments；
Fig. 7 is the structural representation of the electromagnetic mechanism of this utility model example embodiments.
In figure: 1-base assembly, 101-static contact, 102-permanent magnet, 103-magnetic conduction pole plate, 104-elliptical plate;
2-contact supporter assembly, 201-steady arm, 202-moving contact；
3-arc-chutes, 301-the first arc extinguishing room, 302-the second arc extinguishing room, 303-the 3rd arc extinguishing room, 304-the 4th arc extinguishing room,
305-the first dividing plate, 306-second partition；
4-electromagnetic mechanism, 401-coil, magnetic conductive board under 402-, 403-yoke plate, 404-sunk head rivet, the upper magnetic conduction of 405-
Plate.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, a kind of single-pole dc contact, including base assembly 1, arc-chutes 3, electromagnetic mechanism 4 with touch
Head supporting assembly 2, base assembly 1 includes elliptical plate 104；The shell of arc-chutes 3 and electromagnetic mechanism 4 is oval column,
The ellipsoid of arc-chutes 3, upper conduction magnetic board 406 are identical with the shape of elliptical plate 104 with lower magnetic conductive board equal 402.
Base assembly 1 also includes air-filled pore and two static contacts 101, and air-filled pore is located on the long axis of elliptical plate,
On the minor axis of the elliptical plate that two static contacts 101 are symmetrically arranged at base assembly, the center of elliptical plate is provided with test
Hole.
As shown in Figures 3 and 4, the lower section on elliptical plate 104 surface of base assembly 1 is provided with permanent magnet 102, static contact
101 pass permanent magnet 102, and the both sides of permanent magnet 102 are respectively connected with one end of a magnetic conduction pole plate 103, two magnetic conduction pole plates
102 are inserted in arc-chutes 3, magnetic conduction pole plate 103 and permanent magnet 102 seamless link.
As it is shown in figure 5, contact supporting assembly 2 includes moving contact 205 and steady arm 201, moving contact 205 is located at steady arm
On 201, moving contact 205 is located in arc-chutes 3, and moving contact 205 is located at the lower section of static contact 101, and the upper end of steady arm 201 is inserted
Being located in the circular hole in the middle of base assembly elliptical plate, the lower end of steady arm 201 contacts with the upper end of electromagnetic mechanism 5.
As described in Figure 6, below arc-chutes 3, be provided with arc extinguishing chamber cap 301, arc-chutes 3 be arranged over centre bore and being arranged on
The static contact through hole of centre bore both sides, static contact through hole is located on the oval minor axis above arc-chutes 3, and static contact 101 leads to
Cross static contact through hole to be sleeved in arc-chutes 3；The side of the minor axis of arc-chutes 3 is provided with the first arc extinguishing room 301 and the second arc extinguishing
Room 302, the opposite side of minor axis is provided with the 3rd arc extinguishing room 303 and the 4th arc extinguishing room 304, goes out in the first arc extinguishing room 301 and second
It is respectively provided with the first dividing plate 305 between arc room 302, between the 3rd arc extinguishing room 303 and the 4th arc extinguishing room 304, is respectively provided with second partition
306。
As it is shown in fig. 7, electromagnetic mechanism 4 includes upper conduction magnetic board 405, lower magnetic conductive board 402, coil 401 and two blocks of yoke plates
403, two blocks of yoke plates 403 by sunk head rivet 404 by upper conduction magnetic board 405 and lower magnetic conductive board 402 phase riveting clamping yoke iron plate 403,
Two blocks of yoke plates 403 are arranged on described upper conduction magnetic board 405 and the two ends of the oval major axis of described lower magnetic conductive board 402, yoke plate 403
For circular arc, coil 401 is arranged in the inner circle loop of two yoke plates 403.
Above-described embodiment is only for further illustrating a kind of single-pole dc contact of the present utility model, but this utility model
Be not limited to embodiment, every according to technical spirit of the present utility model, above example is made any simple modification,
Equivalent variations and modification, each fall within the protection domain of technical solutions of the utility model.
Claims (10)
1. a single-pole dc contact, including base assembly, arc-chutes and electromagnetic mechanism, it is characterised in that
Described base assembly includes elliptical plate；
The shell of described arc-chutes and described electromagnetic mechanism is oval column, described arc-chutes and the shell of described electromagnetic mechanism
On ellipsoid all identical with the shape of described elliptical plate.
A kind of single-pole dc contact the most according to claim 1, it is characterised in that described base assembly also includes two
Static contact, two described static contacts are symmetrically arranged on the minor axis of described elliptical plate.
A kind of single-pole dc contact the most according to claim 1, it is characterised in that described base assembly also includes inflation
Hole, described air-filled pore is located on the long axis of described elliptical plate.
A kind of single-pole dc contact the most according to claim 1, it is characterised in that the center of described elliptical plate sets
There is instrument connection.
A kind of single-pole dc contact the most according to claim 1, it is characterised in that under described elliptical plate surface
Side is provided with permanent magnet, and the both sides of described permanent magnet are respectively connected with one end of a magnetic conduction pole plate, and two described magnetic conduction pole plates are equal
It is inserted in described arc-chutes.
A kind of single-pole dc contact the most according to claim 5, it is characterised in that described magnetic conduction pole plate and described permanent magnetism
Body seamless link.
A kind of single-pole dc contact the most according to claim 1, it is characterised in that be provided with arc extinguishing below described arc-chutes
Chamber cap, being arranged over centre bore and be arranged on the static contact through hole of described centre bore both sides of described arc-chutes, described static contact
Through hole is located on the oval minor axis above described arc-chutes, the described static contact static contact through hole set by described arc-chutes
It is contained in described arc-chutes.
A kind of single-pole dc contact the most according to claim 1, it is characterised in that the two of the minor axis of described arc-chutes
Side is respectively provided with two arc extinguishing rooms, is equipped with central dividing plate between the described arc extinguishing room of the both sides of minor axis.
A kind of single-pole dc contact the most according to claim 1, it is characterised in that described electromagnetic mechanism, including on lead
Magnetic sheet, iron core, armature, lower magnetic conductive board, coil and two blocks of yoke plates, two blocks of described yoke plates pass through two-way sunk head rivet by described
Upper conduction magnetic board and described lower magnetic conductive board phase riveting clamp described yoke plate, and two blocks of described yoke plates are arranged on described upper conduction magnetic board and institute
State the two ends of lower magnetic conductive board ellipse major axis.
A kind of single-pole dc contact the most according to claim 9, it is characterised in that described yoke plate is circular arc, institute
State in the inner circle loop that coil is arranged on two described yoke plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620613884.2U CN205680622U (en) | 2016-06-21 | 2016-06-21 | A kind of single-pole dc contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620613884.2U CN205680622U (en) | 2016-06-21 | 2016-06-21 | A kind of single-pole dc contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205680622U true CN205680622U (en) | 2016-11-09 |
Family
ID=57431478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620613884.2U Expired - Fee Related CN205680622U (en) | 2016-06-21 | 2016-06-21 | A kind of single-pole dc contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205680622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895453A (en) * | 2016-06-21 | 2016-08-24 | 沈阳二三控制电器制造有限公司 | Monopole direct current contactor |
-
2016
- 2016-06-21 CN CN201620613884.2U patent/CN205680622U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895453A (en) * | 2016-06-21 | 2016-08-24 | 沈阳二三控制电器制造有限公司 | Monopole direct current contactor |
| CN105895453B (en) * | 2016-06-21 | 2018-02-16 | 沈阳二一三控制电器制造有限公司 | A kind of single-pole dc contact |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205319100U (en) | Equilibrant formula magnetic latching relay | |
| CN105551898B (en) | Single-pole double throw D.C. contactor | |
| CN205680622U (en) | A kind of single-pole dc contact | |
| CN201893279U (en) | Circuit breaker pole and insulating cylinder thereof | |
| CN208796916U (en) | A kind of nonpolarity ceramic seal bipolar DC contactor | |
| CN105914107B (en) | A kind of contactor for connecting capacitive element | |
| CN207052527U (en) | Arc formula is nonpolarity high-voltage DC contactor | |
| CN105895453B (en) | A kind of single-pole dc contact | |
| WO2023036062A1 (en) | High-voltage direct current (dc) relay capable of enhancing arc extinguishing capability | |
| CN205680627U (en) | A kind of contactor connecting capacitive element | |
| CN213212053U (en) | Non-polar DC contactor with auxiliary contact | |
| CN101763996B (en) | Static contact of low-voltage circuit breaker | |
| CN203787357U (en) | DC (direct current) contactor | |
| CN205881821U (en) | A clapper -type electromagnetic relay for high voltage direct current | |
| CN201918324U (en) | Dipolar direct-current contactor | |
| CN212516945U (en) | Contact unit with electrodynamic force compensation function | |
| CN221262241U (en) | Relay device | |
| CN205428736U (en) | Perpendicular closing switch's branch, switch -on mechanism | |
| CN218782977U (en) | Direct current contactor | |
| CN212750736U (en) | Static contact component of small-volume high-voltage direct-current contactor and direct-current contactor | |
| CN213212064U (en) | Non-polar DC contactor | |
| CN209282140U (en) | A kind of high voltage connector | |
| CN201522970U (en) | Multi-group contact high power relay | |
| CN202977181U (en) | Static contact structure for three-station isolation and earth connection | |
| CN210429683U (en) | DC contactor arc cavity structure with replaceable polarity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20190621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |