CN203134671U - Vacuum contactor used for wind power generation - Google Patents
Vacuum contactor used for wind power generation Download PDFInfo
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- CN203134671U CN203134671U CN 201320090972 CN201320090972U CN203134671U CN 203134671 U CN203134671 U CN 203134671U CN 201320090972 CN201320090972 CN 201320090972 CN 201320090972 U CN201320090972 U CN 201320090972U CN 203134671 U CN203134671 U CN 203134671U
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- static
- conductive rod
- vacuum contactor
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Abstract
The utility model discloses a vacuum contactor used for wind power generation. The vacuum contactor comprises a rear substrate and a front substrate. An inner side surface of the rear substrate is fixed with an auxiliary switch, static armature plates, and a secondary power module. The static armature plates are provided with static iron cores and coils configured according to a one-to-one ratio of vacuum switch tubes and the static iron cores and coils. A moving armature plate is disposed between the static iron core and the front substrate. A separating brake spring is disposed between the moving armature plate and the static armature plate. A board screw is disposed on an inner side of an upper edge of the moving armature plate. A contact is disposed on an end of an auxiliary switch. Static outgoing boards and moving outgoing boards are respectively disposed on an upper edge and a lower edge of an outer surface of the front substrate. Vacuum switch tubes are disposed among the static outgoing boards and the moving outgoing boards. Static conducting rods and moving conducting rods of the vacuum switch tubes are respectively connected with the static outgoing boards and the moving outgoing boards. Rotating shafts are disposed under the moving armature plates. Connecting levers are connected between the rotating shafts and the moving conducting rods. Between each pole of static outgoing board and moving outgoing board, two vacuum switch tubes are connected in parallel. The vacuum contactor is not only large in working current, wide in application range, but also stable in switching-on performance and good in quality. The vacuum contactor is especially suitable to be used in wind driven generators.
Description
Technical field
The utility model relates to a kind of appliance switch.Specifically, be that the electricity that wind-driven generator sends is transported to big current vacuum contactor in the electrical network.
Background technology
Know all that in the electrical equipment field of making traditional vacuum contactor all adopts a vacuum switch tube.Owing to adopt a vacuum switch tube, its rated operational current has only 2000 amperes of less thaies, make this vacuum contactor can only be used on the power equipment of middle low power, can't be used on the high-power generating equipment, especially can't use on the wind-driven generator more than 3000 amperes, the scope of application is restricted at all.Again because in the traditional vacuum contactor, the negligible amounts of static iron core and coil, usually, it is according to vacuum switch tube between vacuum switch tube and static iron core and coil: the quantitative proportion configuration of static iron core and coil=1.5:1, make that the suction between static iron core and moving armature is little, moving armature is easily shaken when not only closing a floodgate, and also is prone to the situation that is difficult to adhesive.Therefore, the combined floodgate unstable properties of above-mentioned vacuum contactor.Again on the one hand, because an end of connecting lever directly links to each other with the moving conductive rod lower end, tightness between moving conductive rod and connecting lever can't be regulated, and makes to be difficult to realize synchroswitching or separating brake between the moving contact of the fixed contact of static conductive rod inner end of each vacuum switch tube and moving conductive rod inner end.Therefore, the traditional vacuum contactor can't satisfy the reliable use occasion of big electric current high stable in the wind power generation.
The utility model content
Problem to be solved in the utility model provides a kind of used for wind power generation vacuum contactor.This vacuum contactor not only is suitable for big current applications, and combined floodgate stable performance, quality are good.
For addressing the above problem, the utility model is taked following technical scheme:
Used for wind power generation vacuum contactor of the present utility model comprises metacoxal plate, prebasal plate, and described metacoxal plate is iron plate, links together by side plate between the same vertical both sides of forward and backward substrate.Auxiliary switch, static gag bit plate and secondary power supply module are fixedly arranged on the metacoxal plate medial surface from top to bottom successively, on the described static gag bit plate static iron core is arranged fixedly, be with coil on the static iron core external diameter.Described coil all links to each other with the secondary power supply module by lead with auxiliary switch.Have between static iron core and prebasal plate can with static iron core contact or the moving armature plate that separates, be connected with tripping spring between moving armature plate and static gag bit plate, inboard, the moving armature plate top screw that re-packs, auxiliary switch one end relative with the screw that re-packs has contact.The outside bottom and upper segment of prebasal plate has quiet outlet row respectively and moves outlet row, and quiet outlet row and move and be the insulation shape between outlet row and prebasal plate and cooperate.Quiet outlet row has vacuum switch tube with moving between outlet row, the static conductive rod of vacuum switch tube and moving conductive rod respectively with quiet outlet row with move outlet and arrange and link to each other.There is the rotating shaft that is horizontal arrangement in moving armature plate bottom, and the rotating shaft two ends are moving type and are installed on the biside plate.Between rotating shaft and moving conductive rod connecting lever is arranged, this connecting lever is electrical insulator, and an end of connecting lever is fixed in the rotating shaft, and its design feature is that the other end of connecting lever links to each other with moving conductive rod by back-moving spring.Each extremely quiet outlet is arranged and is moved between outlet row and all is parallel with two vacuum switch tubes.The quantitative proportion of described vacuum switch tube and static iron core is according to vacuum switch tube: the proportional arrangement of static iron core and coil=1:1.
The further improvement of the utility model scheme is, described prebasal plate is iron plate, on its outer surface Insulating frame is arranged, described quiet outlet row and move outlet row and be fixed on the Insulating frame.
The further improvement of the utility model scheme is, there is axial screw the moving conductive rod lower end, on connecting lever one end adjacent with pull bar the bar hole is arranged, and the pull bar upper end screws in the screw of moving conductive rod lower end after passing the bar hole, locking nut of connecting lever one end successively.Described back-moving spring is enclosed within on that section pull bar between locking nut and connecting lever.
The further improvement of the utility model scheme is that there is laterally outer chimb in Insulating frame bottom, laterally on the outer chimb supporting bracket is arranged.The top of described supporting bracket is horizontal, and the bottom is vertical shape, and its top is fixed on the described laterally outer chimb.Described moving outlet row is connected the bottom of supporting bracket.Described moving conductive rod lower end is connected with conductive clip, links to each other by lead between conductive clip and moving outlet row.
Wherein, described secondary power supply module contains control circuit, microprocessor, infrared receipts and connects device and UBS interface.
The further improvement of the utility model scheme is that there is axis hole the moving armature top, and minor axis is fixedly arranged in the axis hole.On the static gag bit plate relative with this minor axis and the metacoxal plate axis hole is arranged, adjustment screw is arranged in the axis hole.One end of described tripping spring links to each other with described minor axis inner end, and the other end fixedly has nut, and described adjustment screw is screwed in this nut.
The further improvement of the utility model scheme is, inboard, moving armature plate top is connected with connecting plate, and the top of this connecting plate bends inwards earlier and is after the level more upwards bending and is vertical, goes up perpendicular section, horizontal segment and lower vertical piece thereby its upper, middle and lower are formed respectively for three sections.The perpendicular section that goes up of connecting plate all has axis hole for upper and lower perpendicular section, and the connecting plate lower end is fixed on the top of moving armature by the axis hole on its lower vertical piece, hold-down nut and minor axis.The described screw that re-packs is fixed in the axis hole that erects on the connecting plate on the section.
Wherein, described vacuum switch tube contains ceramic package, and the bar hole is all arranged at the top of ceramic package and bottom, and described static conductive rod is fixed in the described top bar hole, and described moving conductive rod is the slip shape and places in the bar hole, described bottom.There is fixed contact described static conductive rod inner end, and there is moving contact the moving conductive rod inner end.
Take such scheme, have the following advantages:
By such scheme as can be seen, because the vacuum switch tube that each extremely quiet outlet is arranged and moved between outlet row is no less than two, be connected in parallel between described vacuum switch tube.Though the maximum operating currenbt of a vacuum switch tube has only 2000 amperes, after two such vacuum switch tube parallel connections, maximum operating currenbt can reach 3500 amperes.By plural vacuum tube parallel connection, improved the operating current of vacuum contactor greatly, widened the scope of application of vacuum contactor.Again because in the vacuum contactor of the present utility model, the quantitative proportion of described vacuum tube and static iron core is according to vacuum tube: static iron core and coil equal the proportional arrangement of 1:1, the quantity of static iron core and coil is more, make that the suction between static iron core and moving armature is bigger, moving armature plate shake when not only having avoided closing a floodgate, also eliminate the situation generation that is difficult to adhesive, thereby improved the combined floodgate performance of vacuum contactor greatly.Again on the one hand, because the moving conductive rod lower end is processed with axial screw, be processed with the bar hole on connecting lever one end adjacent with pull bar, pull bar upper end screws in the screw of moving conductive rod lower end after passing the bar hole, locking nut of connecting lever one end successively, and described back-moving spring is enclosed within on that section pull bar between locking nut and connecting lever.By screwing the effect of pull bar and back-moving spring, can regulate the tightness between moving conductive rod and connecting lever, thereby guarantee to realize synchroswitching or separating brake between the moving contact of the fixed contact of static conductive rod inner end of each vacuum tube and moving conductive rod inner end, improved the quality of vacuum contactor greatly.
Description of drawings
Fig. 1 is used for wind power generation vacuum contactor structural representation of the present utility model;
Fig. 2 be the A-A of Fig. 1 to cutaway view, wherein moving contact and fixed contact are in on-state;
Fig. 3 be the A-A of Fig. 1 to cutaway view, wherein moving contact and fixed contact are in released state;
Fig. 4 is that the B-B of Fig. 3 is to cross-sectional schematic.
Embodiment
Be described in further detail below in conjunction with the utility model of embodiment.
As depicted in figs. 1 and 2, used for wind power generation vacuum contactor of the present utility model comprises metacoxal plate 10, prebasal plate 14, described prebasal plate 14 and metacoxal plate 10 are iron plate, link together by side plate 9 and securing member between the same vertical both sides of prebasal plate 14 and metacoxal plate 10, securing member wherein is made up of screw bolt and nut.Be provided with four static gag bit plates 2 in the middle of metacoxal plate 10 medial surfaces, described static gag bit plate 2 is fixed on the medial surface of metacoxal plate 10 by screw.Static gag bit plate 2 medial surfaces are provided with static iron core 3, and this static iron core is fixed together by bolt 4 and static gag bit plate 2.Be wound with coil 1 on the static iron core 3.Be provided with secondary power supply module 34 under the static gag bit plate 2, described secondary power supply module 34 links to each other with coil 1 by lead.Wherein, secondary power supply module 34 contains control circuit, microprocessor, infrared receipts and connects device and UBS interface, makes used for wind power generation vacuum contactor of the present utility model can realize the intellectualized operation of control function automatically such as Long-distance Control, wireless remote control communication and computer networking.
Moving armature plate 33 bottoms are provided with the rotating shaft 32 that is horizontal arrangement, all are processed with axis hole on the correspondence position of described biside plate 9, and rotating shaft 32 two ends are moving type to be stretched in the corresponding axis hole, make 9 of rotating shaft 32 two ends and biside plates be rotatable shape activity and cooperate.22 of rotating shaft 32 and moving conductive rods are provided with connecting lever 31.Described connecting lever 31 is electrical insulator, and an end of connecting lever 31 is fixed in the rotating shaft 32 by screw.22 of connecting lever 31 and moving conductive rods are provided with pull bar 29, moving conductive rod 22 lower ends are processed with axial screw, be processed with the bar hole on connecting lever 31 1 ends adjacent with pull bar 29, pull bar 29 upper ends screw in the screw of moving conductive rod 22 lower ends after passing the bar hole of connecting lever 31 1 ends, and by a locking nut 25 pull bar 29 upper ends and 22 of moving conductive rods are fixed together.In addition, on that section pull bar 29 of 31 of locking nut 25 and connecting levers, also be with back-moving spring 30.By screwing pull bar 29 and under the effect of back-moving spring 30, can regulate the tightness of 31 of moving conductive rod 22 and connecting levers, thereby guarantee that the fixed contact 20 of static conductive rod 19 inner ends of each vacuum switch tube and 21 of the moving contacts of moving conductive rod 22 inner ends can realize synchroswitching or separating brake, improved the quality of vacuum contactor greatly.
Wherein, in vacuum contactor of the present utility model, the quantitative proportion of described vacuum switch tube and static iron core 3 and coil 1 is according to vacuum switch tube: static iron core 3 and coil 1 equal the proportional arrangement of 1:1, namely six vacuum switch tubes are furnished with six static iron cores 3 and coil 1, make that the quantity of static iron core 3 and coil 1 is more, the suction that static iron core 3 and moving armature plate are 33 is bigger, moving armature plate 33 shakes when not only having avoided closing a floodgate, also eliminate the situation generation that is difficult to adhesive, thereby improved the combined floodgate performance of vacuum contactor of the present utility model greatly.
In the time must closing a floodgate, send the big tributary of a forward electric current by secondary power supply module 34, offer coil 1 by lead and auxiliary switch 11, in coil 1, produce great magnetic field, thereby in static iron core 3, induce extremely strong magnetic force, overcome the reversal interlocking relay of tripping spring 7 by this magnetic attraction moving armature plate 33, make moving armature plate 33 fast to static iron core 3 adhesives, and the moving contact 21 in the drive vacuum switch tube fits to fixed contact 20 fast, thereby finishes feed motion.
See Fig. 3, when the palpus separating brake, as long as close secondary power supply module 34, behind the removal power supply, under the resilient force of tripping spring 7, moving contact 21 is separated fast with fixed contact 20, and rely on the elastic force of tripping spring 7 to make vacuum contactor keep gate-dividing state.
Claims (8)
1. the used for wind power generation vacuum contactor comprises metacoxal plate (10), prebasal plate (14), and described metacoxal plate (10) is iron plate, links together by side plate (9) between the same vertical both sides of forward and backward substrate; Auxiliary switch (11), static gag bit plate (2) and secondary power supply module (34) are fixedly arranged on metacoxal plate (10) medial surface from top to bottom successively, and described static gag bit plate (2) is gone up fixedly static iron core (3), is with coil (1) on static iron core (3) external diameter; Described coil (1) all links to each other with secondary power supply module (34) by lead with auxiliary switch (11); Have between static iron core (3) and prebasal plate (14) can with static iron core (3) contact or the moving armature plate (33) that separates, be connected with tripping spring (7) between moving armature plate (33) and static gag bit plate (2), moving armature plate (33) inboard, the top screw (12) that re-packs, auxiliary switch (11) one ends relative with the screw that re-packs (12) have contact; The outside bottom and upper segment of prebasal plate (14) has quiet outlet row (16) and moving outlet row (27) respectively, and quiet outlet row (16) and moving outlet are arranged and be the shape that insulate between (27) and prebasal plate (14) and cooperate; Between quiet outlet row (16) and moving outlet row (27) vacuum switch tube is arranged, the static conductive rod of vacuum switch tube (19) is arranged (27) with quiet outlet row (16) with moving outlet respectively with moving conductive rod (22) and is linked to each other; There is the rotating shaft (32) that is horizontal arrangement in moving armature plate (33) bottom, and rotating shaft (32) two ends are moving type and are installed on the biside plate (9); Between rotating shaft (32) and moving conductive rod (22) connecting lever (31) is arranged, this connecting lever is electrical insulator, one end of connecting lever (31) is fixed in the rotating shaft (32), it is characterized in that the other end of connecting lever (31) links to each other with moving conductive rod (22) by back-moving spring (30); Between each extremely quiet outlet row (16) and moving outlet row (27) two described vacuum switch tubes are arranged all, be connected in parallel between these two vacuum switch tubes; The quantitative proportion of described vacuum switch tube and static iron core (3) is according to vacuum switch tube: static iron core (3) and coil (1) equal the proportional arrangement of 1:1.
2. used for wind power generation vacuum contactor according to claim 1, it is characterized in that described prebasal plate (14) is iron plate, Insulating frame (15) is fixedly arranged on its outer surface, and described quiet outlet row (16) and moving outlet row (27) are fixed on the Insulating frame (15).
3. used for wind power generation vacuum contactor according to claim 1, it is characterized in that there is axial screw moving conductive rod (22) lower end, on connecting lever (31) one ends adjacent with pull bar (29) the bar hole is arranged, bar hole, locking nut (25) back that pull bar (29) upper end is passed connecting lever (31) one ends successively screw in the screw of moving conductive rod (22) lower end; Described back-moving spring (30) is enclosed within on that section pull bar (29) between locking nut (25) and connecting lever (31).
4. used for wind power generation vacuum contactor according to claim 3 is characterized in that there is laterally outer chimb (26) in Insulating frame (15) bottom, laterally has supporting bracket (28) on the outer chimb (26); The top of described supporting bracket (28) is horizontal, and the bottom is vertical shape, and its top is fixed on the described laterally outer chimb (26); Described moving outlet row (27) is connected the bottom of supporting bracket (28); Described moving conductive rod (22) lower end is connected with conductive clip (23), and conductive clip (23) is arranged between (27) with moving outlet and linked to each other by lead (24).
5. used for wind power generation vacuum contactor according to claim 1 is characterized in that secondary power supply module (34) contains control circuit, microprocessor, infrared receipts and connects device and UBS interface.
6. used for wind power generation vacuum contactor according to claim 1 is characterized in that there is axis hole moving armature plate (33) top, and minor axis (17) is fixedly arranged in the axis hole; On the static gag bit plate (2) relative with this minor axis and the metacoxal plate (10) axis hole is arranged, adjustment screw (6) is arranged in the axis hole; One end of described tripping spring (7) links to each other with described minor axis (17) inner end, and the other end fixedly has nut (5), and described adjustment screw (6) is screwed in this nut.
7. used for wind power generation vacuum contactor according to claim 1, it is characterized in that moving armature plate (33) inboard, top is connected with connecting plate (13), the top of this connecting plate bends inwards earlier and is after the level more upwards bending and is vertical, goes up perpendicular section, horizontal segment and lower vertical piece thereby its upper, middle and lower are formed respectively for three sections; The perpendicular section that goes up of connecting plate (13) all has axis hole for upper and lower perpendicular section, and connecting plate (13) lower end is fixed on the top of moving armature plate (33) by the axis hole on its lower vertical piece, hold-down nut and minor axis (17); The described screw that re-packs (12) is fixed on connecting plate (13) and goes up in the axis hole that erects on the section.
8. according to each described used for wind power generation vacuum contactor in the claim 1 ~ 7, it is characterized in that described vacuum switch tube contains ceramic package (18), the bar hole is all arranged at top and the bottom of ceramic package (18), described static conductive rod (19) is fixed in the described top bar hole, and described moving conductive rod (22) is the slip shape and places in the bar hole, described bottom; There is fixed contact (20) described static conductive rod (19) inner end, and there is moving contact (21) moving conductive rod (22) inner end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090972 CN203134671U (en) | 2013-02-28 | 2013-02-28 | Vacuum contactor used for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090972 CN203134671U (en) | 2013-02-28 | 2013-02-28 | Vacuum contactor used for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134671U true CN203134671U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320090972 Expired - Fee Related CN203134671U (en) | 2013-02-28 | 2013-02-28 | Vacuum contactor used for wind power generation |
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| CN (1) | CN203134671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165338A (en) * | 2013-02-28 | 2013-06-19 | 无锡市蓝虹电子有限公司 | Vacuum contactor for wind power generation |
-
2013
- 2013-02-28 CN CN 201320090972 patent/CN203134671U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165338A (en) * | 2013-02-28 | 2013-06-19 | 无锡市蓝虹电子有限公司 | Vacuum contactor for wind power generation |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20190228 |