CN105679610A - High-voltage sealed DC contactor with auxiliary contacts - Google Patents
High-voltage sealed DC contactor with auxiliary contacts Download PDFInfo
- Publication number
- CN105679610A CN105679610A CN201610224325.7A CN201610224325A CN105679610A CN 105679610 A CN105679610 A CN 105679610A CN 201610224325 A CN201610224325 A CN 201610224325A CN 105679610 A CN105679610 A CN 105679610A
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- China
- Prior art keywords
- secondary contact
- contactor
- rod
- contact
- card groove
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a high-voltage sealed DC contactor with auxiliary contacts. The contactor comprises a contactor casing and a shielding casing, a main static contact, a moving contact sheet and a transmission core rod are arranged in a sealed space formed by the contactor casing and the shielding casing, the moving contact sheet is vertically connected to the upper end portion of the transmission core rod, the upper end surface of the transmission core rod is provided with an auxiliary push rod, the shielding casing is provided with a circular hole at the position corresponding to the auxiliary push rod, and the upper end of the auxiliary push rod penetrates into the circular hole; and the shielding casing is provided with the upper and lower auxiliary contacts, and the auxiliary push rod can drive the lower auxiliary contact to connect with or disconnect from the upper auxiliary contact when moving up and down with the transmission core rod. According to the high-voltage sealed DC contactor with the auxiliary contacts, the auxiliary push rod is arranged at the upper end surface of the transmission core rod, and the upper and lower auxiliary contacts are arranged on the shielding casing, so that the occupation space is very small, it is not required to omit arc extinguishing magnetic steel, and the working performance of the contactor is more stable.
Description
Technical field
The present invention relates to the high pressure seal direct-current contactor of a kind of band secondary contact, in replacement seal direct-current contactor, the function of secondary contact made by vernier switch.
Background technology
When the main contact of seal DC contactor is switched on or switched off, the connection (or disconnection) of a kind of secondary contact is needed to judge for main contact state, by these secondary contact, main contact state is done judgement operation, for improving security when product is actual to be used. In actual application, secondary contact break-make small area analysis, plays the break-make of signal. At present, due to the problem of sealing and design, the general not band secondary contact of seal DC contactor on market, the secondary contact of the seal DC contactor with secondary contact generally adopt and arrange vernier switch in arc suppressing transformer, connection plastic tablet on the transmission rod of movable contact, plastic sheet is stirred vernier switch simultaneously and is cut-off when moving with transmission rod, namely connects signal by connection (or disconnection) state of vernier switch. But this kind of structure because of the stroke of vernier switch little, easily cause main contact state and the inconsistent phenomenon of secondary contact state, affect contactor function, in addition, owing to secondary contact are arranged on main contact side, and it is bigger to take up space, and need to reduce the arc extinguishing magnet steel of a main contact side, the arc extinguishing being unfavorable for main contact, causes product break performance unstable.
Summary of the invention
In order to overcome above-mentioned defect, the present invention provides the high pressure seal direct-current contactor of a kind of band secondary contact, and it is little that secondary contact take space, does not affect the arc extinguishing magnet steel of main contact both sides, makes contactor performance more stable.
The technical scheme that the present invention adopts to solve its technical problem is: the high pressure seal direct-current contactor of a kind of band secondary contact, comprise the contactor body skin of upper end open and it is sealingly fastened in the shielding case of this contactor body skin upper port, it is provided with main rest contact in the seal cavity that described contactor body skin and shielding case are formed, for the formation of the moving contacting plate of two active contacts, and for driving described moving contacting plate to move up and down with the transmission core bar with described main rest contact opening and closing, this moving contacting plate is vertically connected on the upper end of this transmission core bar, the upper surface of described transmission core bar is provided with an auxiliary push-rod, described shielding case is to being provided with a circular hole in auxiliary push-rod position, this auxiliary push-rod upper end is placed through in this circular hole,Described shielding case is also respectively equipped with secondary contact and these lower secondary contact of lower secondary contact are arranged on this below secondary contact, these lower secondary contact can be driven when described auxiliary push-rod moves up and down with described transmission core bar and on this, secondary contact switch on and off.
As a further improvement on the present invention, described shielding case being respectively equipped with secondary contact card groove and lower secondary contact card groove, in described upper secondary contact are placed on this secondary contact card groove, described lower secondary contact are placed in this lower secondary contact card groove.
As a further improvement on the present invention, one end of described upper secondary contact card groove, lower secondary contact card groove is connected and forms V-structure.
As a further improvement on the present invention, the other end of described upper secondary contact card groove, lower secondary contact card groove is respectively equipped with the plastic sheet for limiting described upper secondary contact, lower secondary contact.
As a further improvement on the present invention, described upper secondary contact and lower secondary contact are a reed, and the other end of this reed is curved and is provided with an outlet line outside the other end of this arc.
As a further improvement on the present invention, described auxiliary push-rod is plastic push-rod.
As a further improvement on the present invention, the described lower end peripheral hardware of transmission core bar has coil, iron core and return spring.
The invention has the beneficial effects as follows: the high pressure seal direct-current contactor of these band secondary contact by arranging circular hole and upper and lower secondary contact on shielding case, transmission core bar upper surface arranges auxiliary push-rod simultaneously, auxiliary push-rod moves up and down with transmission core bar and drives lower secondary contact and upper secondary contact to be switched on or switched off, thus the state that switches on and off of main contact contact is judged. It is arranged on transmission core bar upper surface due to auxiliary push-rod and upper and lower secondary contact are arranged on shielding case, therefore takies space very little, it is not necessary to sacrifice arc extinguishing magnet steel, thus the serviceability making contactor is more stable.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram;
Fig. 2 is that secondary contact of the present invention and main contact disconnect structural representation simultaneously;
Fig. 3 is secondary contact of the present invention and main contact closing structure schematic diagram simultaneously;
Fig. 4 is the structural representation of shielding case of the present invention;
Fig. 5 is auxiliary push-rod structural representation of the present invention;
Fig. 6 is secondary contact structural representation of the present invention;
Fig. 7 is the structural representation that auxiliary push-rod of the present invention is installed in described shielding case;
Fig. 8 is the structural representation that secondary contact of the present invention are installed in described shielding case;
Fig. 9 is that secondary contact outlet line of the present invention first connects structural representation with external circuit.
By reference to the accompanying drawings, make the following instructions:
1 contactor body skin 2 shielding case
3 main rest contact 4 moving contacting plates
5 transmission core bar 6 auxiliary push-rods
Secondary contact on 7 circular holes 8
Secondary contact card groove on 9 times secondary contact 10
11 times secondary contact card groove 12 plastic sheets
13 outlet line 14 coils
15 iron core 16 return springs
Embodiment
Below in conjunction with accompanying drawing, a better embodiment of the present invention is done explanation in detail. But protection scope of the present invention is not limited to following embodiment, the simple equivalence namely in every case done with the present patent application patent scope and description changes and modifies, and all still belongs within patent covering scope of the present invention.
Consult Fig. 1-9, the high pressure seal direct-current contactor of a kind of band secondary contact, comprise the contactor body skin 1 of upper end open and it is sealingly fastened in the shielding case 2 of this contactor body skin upper port, it is provided with main rest contact 3 in the seal cavity that described contactor body skin and shielding case are formed, for the formation of the moving contacting plate 4 of two active contacts, and for driving described moving contacting plate to move up and down with the transmission core bar 5 with described main rest contact opening and closing, this moving contacting plate is vertically connected on the upper end of this transmission core bar, the upper surface of described transmission core bar is provided with an auxiliary push-rod 6, described shielding case is to being provided with a circular hole 7 in auxiliary push-rod position, this auxiliary push-rod upper end is placed through in this circular hole,Described shielding case is also respectively equipped with secondary contact 8 and lower secondary contact 9, these lower secondary contact are arranged on this below secondary contact, can drive these lower secondary contact and on this, secondary contact switch on and off when described auxiliary push-rod moves up and down with described transmission core bar.
Wherein, described shielding case being respectively equipped with secondary contact card groove 10 and lower secondary contact card groove 11, in described upper secondary contact are placed on this secondary contact card groove, described lower secondary contact are placed in this lower secondary contact card groove; One end of described upper secondary contact card groove, lower secondary contact card groove is connected and forms V-structure; The other end of described upper secondary contact card groove, lower secondary contact card groove is respectively equipped with the plastic sheet 12 for limiting described upper secondary contact, lower secondary contact; Described upper secondary contact and lower secondary contact are a reed, and the other end of this reed is curved and is provided with an outlet line 13 outside the other end of this arc; Described auxiliary push-rod is plastic push-rod; The described lower end peripheral hardware of transmission core bar has coil 14, iron core 15 and return spring 16.
Consulting Fig. 1, be the high pressure seal direct-current contactor secondary contact schematic diagram of band secondary contact of the present invention, the secondary contact of the present invention, on the top of shielding case, take up space little, do not affect the arc extinguishing magnet steel of main contact both sides, make contactor serviceability more stable.
Consulting secondary contact when Fig. 2 is main contact disconnection and be in the schematic diagram disconnecting position simultaneously, contactor is when original state, and moving contacting plate and main rest contact are in disconnection state. Upper secondary contact and lower secondary contact are also in disconnection state.
Consulting Fig. 3, be the schematic diagram that main contact is closed and secondary contact are simultaneously in the close position, when coil voltage rating, moving contacting plate and main rest contact close. Secondary contact are also in contact closure condition.
Consult Fig. 4, it is the schematic diagram of plastic shielded shell, have a circular hole in the middle of plastic shielded shell, for assembling plastic push-rod; Two grooves are arranged at top, for assembling secondary contact.
Consulting Fig. 5, be plastic push-rod structure iron, plastic push-rod material is plastics or insulating material.
Consulting Fig. 6, be secondary contact structure iron, secondary contact material elastic spring, reed head has the bending of an angle, θ, θ about about 5 °. Reed afterbody has the circular arc of R.
Consulting Fig. 7, the schematic diagram being arranged in shielding case for plastic push-rod, plastic push-rod is assemblied in the circular hole in the middle of plastic shielded shell.
Consulting Fig. 8, for secondary contact are arranged in shielding case schematic diagram, secondary contact are arranged in plastic shielded shell groove. Secondary contact are undertaken spacing by plastic sheet on plastic shielded shell.
Consulting Fig. 9, for secondary contact by outlet line and external circuit connection diagram, secondary contact are be connected by the outlet line on plastic cover with outside wiring. The afterbody of secondary contact reliably contacts with outlet line by elastic force.
Thus, the high pressure seal direct-current contactor of these band secondary contact by arranging circular hole and upper and lower secondary contact on shielding case, transmission core bar upper surface arranges auxiliary push-rod simultaneously, auxiliary push-rod moves up and down with transmission core bar and drives lower secondary contact and upper secondary contact to be switched on or switched off, thus the state that switches on and off of main contact contact is judged. It is arranged on transmission core bar upper surface due to auxiliary push-rod and upper and lower secondary contact are arranged on shielding case, therefore takies space very little, it is not necessary to sacrifice arc extinguishing magnet steel, thus the serviceability making contactor is more stable.
Claims (7)
1. the high pressure seal direct-current contactor of band secondary contact, comprise the contactor body skin (1) of upper end open and it is sealingly fastened in the shielding case (2) of this contactor body skin upper port, it is provided with main rest contact (3) in the seal cavity that described contactor body skin and shielding case are formed, for the formation of the moving contacting plate (4) of two active contacts, and for driving described moving contacting plate to move up and down with transmission core bar (5) with described main rest contact opening and closing, this moving contacting plate is vertically connected on the upper end of this transmission core bar, it is characterized in that: the upper surface of described transmission core bar is provided with an auxiliary push-rod (6), described shielding case is to being provided with a circular hole (7) in auxiliary push-rod position, this auxiliary push-rod upper end is placed through in this circular hole,Described shielding case is also respectively equipped with secondary contact (8) and lower secondary contact (9), these lower secondary contact are arranged on this below secondary contact, can drive these lower secondary contact and on this, secondary contact switch on and off when described auxiliary push-rod moves up and down with described transmission core bar.
2. the high pressure seal direct-current contactor of band secondary contact according to claim 1, it is characterized in that: described shielding case is respectively equipped with secondary contact card groove (10) and lower secondary contact card groove (11), in described upper secondary contact are placed on this secondary contact card groove, described lower secondary contact are placed in this lower secondary contact card groove.
3. the high pressure seal direct-current contactor of band secondary contact according to claim 2, it is characterised in that: one end of described upper secondary contact card groove, lower secondary contact card groove is connected and forms V-structure.
4. the high pressure seal direct-current contactor of band secondary contact according to claim 3, it is characterised in that: the other end of described upper secondary contact card groove, lower secondary contact card groove is respectively equipped with the plastic sheet (12) for limiting described upper secondary contact, lower secondary contact.
5. the high pressure seal direct-current contactor of band secondary contact according to claim 3, it is characterized in that: described upper secondary contact and lower secondary contact are a reed, the other end of this reed is curved and is provided with an outlet line (13) outside the other end of this arc.
6. the high pressure seal direct-current contactor of band secondary contact according to claim 1, it is characterised in that: described auxiliary push-rod is plastic push-rod.
7. the high pressure seal direct-current contactor of band secondary contact according to claim 1, it is characterised in that: the described lower end peripheral hardware of transmission core bar has coil (14), iron core (15) and return spring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224325.7A CN105679610B (en) | 2016-04-12 | 2016-04-12 | High pressure sealing D.C. contactor with auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224325.7A CN105679610B (en) | 2016-04-12 | 2016-04-12 | High pressure sealing D.C. contactor with auxiliary contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105679610A true CN105679610A (en) | 2016-06-15 |
| CN105679610B CN105679610B (en) | 2017-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610224325.7A Active CN105679610B (en) | 2016-04-12 | 2016-04-12 | High pressure sealing D.C. contactor with auxiliary contact |
Country Status (1)
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| CN (1) | CN105679610B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449279A (en) * | 2016-10-26 | 2017-02-22 | 厦门宏发电力电器有限公司 | A DC contactor with auxiliary contacts |
| CN106531563A (en) * | 2017-01-04 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Magnetic latching energy-saving high-voltage DC contactor |
| CN106531560A (en) * | 2016-12-29 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Parallel type energy-saving type duplex winding high-voltage direct current contactor |
| CN106783412A (en) * | 2016-12-29 | 2017-05-31 | 昆山国力源通新能源科技有限公司 | Series type energy-saving double winding high-voltage DC contactor |
| CN107146720A (en) * | 2017-07-06 | 2017-09-08 | 天水二三电器有限公司 | A kind of apparatus for transmitting signal |
| WO2021164698A1 (en) * | 2020-02-19 | 2021-08-26 | 上海诺雅克电气有限公司 | Switching device |
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| CN2151532Y (en) * | 1993-01-08 | 1993-12-29 | 丹阳市低压电器设备厂 | DC contactor |
| CN2705881Y (en) * | 2004-04-23 | 2005-06-22 | 邹德 | Seal DC contactor |
| CN2901560Y (en) * | 2006-06-01 | 2007-05-16 | 郑存进 | AC contactor top mounted auxiliary contactor module with spring traction rod |
| CN201435349Y (en) * | 2009-06-19 | 2010-03-31 | 黄国科 | Energy-saving mechanical locking device of contactor |
| CN201741639U (en) * | 2010-08-20 | 2011-02-09 | 南京全宁电器有限公司 | AC-operation DC contactor |
| JP2012128993A (en) * | 2010-12-14 | 2012-07-05 | Fuji Electric Fa Components & Systems Co Ltd | Contact mechanism and electromagnetic contactor using the same |
| CN205542618U (en) * | 2016-04-12 | 2016-08-31 | 昆山国力源通新能源科技有限公司 | Take auxiliary contact's pressurization direct current contactor |
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2016
- 2016-04-12 CN CN201610224325.7A patent/CN105679610B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2151532Y (en) * | 1993-01-08 | 1993-12-29 | 丹阳市低压电器设备厂 | DC contactor |
| CN2705881Y (en) * | 2004-04-23 | 2005-06-22 | 邹德 | Seal DC contactor |
| CN2901560Y (en) * | 2006-06-01 | 2007-05-16 | 郑存进 | AC contactor top mounted auxiliary contactor module with spring traction rod |
| CN201435349Y (en) * | 2009-06-19 | 2010-03-31 | 黄国科 | Energy-saving mechanical locking device of contactor |
| CN201741639U (en) * | 2010-08-20 | 2011-02-09 | 南京全宁电器有限公司 | AC-operation DC contactor |
| JP2012128993A (en) * | 2010-12-14 | 2012-07-05 | Fuji Electric Fa Components & Systems Co Ltd | Contact mechanism and electromagnetic contactor using the same |
| CN205542618U (en) * | 2016-04-12 | 2016-08-31 | 昆山国力源通新能源科技有限公司 | Take auxiliary contact's pressurization direct current contactor |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449279A (en) * | 2016-10-26 | 2017-02-22 | 厦门宏发电力电器有限公司 | A DC contactor with auxiliary contacts |
| WO2018077190A1 (en) * | 2016-10-26 | 2018-05-03 | 厦门宏发电力电器有限公司 | Dc contactor having auxiliary contact |
| CN106449279B (en) * | 2016-10-26 | 2019-01-01 | 厦门宏发电力电器有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN106531560A (en) * | 2016-12-29 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Parallel type energy-saving type duplex winding high-voltage direct current contactor |
| CN106783412A (en) * | 2016-12-29 | 2017-05-31 | 昆山国力源通新能源科技有限公司 | Series type energy-saving double winding high-voltage DC contactor |
| CN106531563A (en) * | 2017-01-04 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Magnetic latching energy-saving high-voltage DC contactor |
| CN106531563B (en) * | 2017-01-04 | 2019-04-02 | 昆山国力源通新能源科技有限公司 | Magnetic keeps energy-saving high-voltage direct-current contactor |
| CN107146720A (en) * | 2017-07-06 | 2017-09-08 | 天水二三电器有限公司 | A kind of apparatus for transmitting signal |
| CN107146720B (en) * | 2017-07-06 | 2019-11-22 | 天水二一三电器有限公司 | A kind of apparatus for transmitting signal |
| WO2021164698A1 (en) * | 2020-02-19 | 2021-08-26 | 上海诺雅克电气有限公司 | Switching device |
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| CN105679610B (en) | 2017-12-05 |
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