CN211828510U - First device of duplex position contact - Google Patents
First device of duplex position contact Download PDFInfo
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- CN211828510U CN211828510U CN201922054128.7U CN201922054128U CN211828510U CN 211828510 U CN211828510 U CN 211828510U CN 201922054128 U CN201922054128 U CN 201922054128U CN 211828510 U CN211828510 U CN 211828510U
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Abstract
The utility model discloses a double-station contact head structure device, which comprises a movable contact head substrate, a power device, at least one movable contact head group, a first stationary contact group and a second stationary contact group, wherein the first stationary contact group and the second stationary contact group are respectively positioned on two sides of the movable contact head group; the moving contact base plate comprises a moving contact sliding plate and a moving contact driving plate, the moving contact sliding plate is connected to one side of the moving contact driving plate, at least one moving contact fixing part is arranged on one side of the moving contact driving plate, which faces the moving contact sliding plate, and the moving contact fixing part corresponds to the moving contact group; the moving contact sliding plate is provided with a sliding rail component, the moving contact group slides along the sliding rail component, or the moving contact group is fixedly connected with the corresponding moving contact fixing part; the power device is connected with the moving contact driving plate, and the moving contact group is in contact with the first stationary contact group or the second stationary contact group based on the driving of the power device. The utility model discloses simple structure, the part is few, and the motion is reliable, and is small, and is with low costs, suitably applies to the oil-immersed on-load tap-changer in, dwindles switch volume and vary voltage volume greatly.
Description
Technical Field
The utility model relates to power device technical field particularly, relates to a duplex position contact head constructional device.
Background
The existing on-load tap-changer in the market is mainly of a cylindrical structure, and a transmission mechanism drives a main shaft to rotate by a motor so as to drive a contact to switch. The cylindrical product has the advantages of large volume, high cost, complex structure, low switching speed, long arc extinguishing time, serious contact ablation after long-term use and greatly reduced service life.
The non-excitation tap switch has small overall size and simple structure, but can be operated only under the condition that the transformer is powered off, is very inconvenient and interferes with the normal operation of workers. And the non-excitation tap switch can not monitor the line voltage fluctuation condition in real time, and the reliability of manual power failure voltage regulation can not be better ensured.
Therefore, a double-station contact head structure device is needed, and the double-station contact head structure device is small in size, simple and reliable in driving and high in switching speed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, the utility model provides a duplex position contact head structure device, this duplex position contact head structure device is small, and the drive is simple reliable, and switching speed is fast.
Correspondingly, the utility model provides a double-station contact head structure device, which comprises a movable contact base plate, a power device, at least one movable contact group, a first fixed contact group and a second fixed contact group, wherein the first fixed contact group and the second fixed contact group are respectively positioned on two sides of the movable contact group;
the moving contact base plate comprises a moving contact sliding plate and a moving contact driving plate, the moving contact sliding plate is connected to one side of the moving contact driving plate, at least one moving contact fixing part is arranged on one side of the moving contact driving plate, which faces the moving contact sliding plate, and the moving contact fixing part corresponds to the moving contact group;
the moving contact sliding plate is provided with a sliding rail assembly, the moving contact group slides along the sliding rail assembly, or the moving contact group is fixedly connected with the corresponding moving contact fixing part;
the power device is connected with the moving contact driving plate, and the moving contact group is in contact with the first stationary contact group or the second stationary contact group based on the driving of the power device.
In an optional implementation manner, the power device is a permanent magnet mechanism, and the permanent magnet mechanism is connected with the moving contact drive plate.
In an optional embodiment, the moving contact set includes a moving contact base, a guide shaft, a first spring, a second spring, a first moving end contact and a second moving end contact;
the moving contact base is arranged on the moving contact fixing part, a guide shaft through hole is formed in the moving contact base along the central line, and the guide shaft is fixed on the moving contact base on the basis of the guide shaft through hole;
a first spring guide through hole is formed in one side of the guide shaft through hole, the first spring is fixed to one side of the guide shaft through hole based on the first spring guide through hole, a second spring guide through hole is formed in the other side of the guide shaft through hole, and the second spring is fixed to the other side of the guide shaft through hole based on the second spring guide through hole;
the first moving end contact is a U-shaped copper plate, a first through hole is formed in the first moving end contact along a symmetry axis, the first moving end contact is fixed on one side of the moving contact base based on the matching of the first through hole, the guide shaft and the guide shaft through hole, a first connecting wing is arranged at one end of the first moving end contact, a first contact is arranged on the first connecting wing, a second connecting wing is arranged at the other end of the first moving end contact, and a second contact is arranged on the second connecting wing;
the second moving end contact is a U-shaped copper plate, a second through hole is formed in the second moving end contact along a symmetry axis, the second moving end contact is fixed to the other side of the moving contact base based on the matching of the second through hole, the guide shaft and the guide shaft through hole, a third connecting wing is arranged at one end of the second moving end contact, a third contact is arranged on the third connecting wing, a fourth connecting wing is arranged at the other end of the second moving end contact, and a fourth contact is arranged on the fourth connecting wing;
the first spring is connected to the first contact and the third contact, and the second spring is connected to the second contact and the fourth contact.
In an optional embodiment, the movable contact base is an insulating base.
In an alternative embodiment, the first and second springs are over travel springs.
In an alternative embodiment, the first fixed contact group and the second fixed contact group are arranged on two sides of the moving contact group and face the same plane.
In an alternative embodiment, the first stationary contact set includes a first stationary contact base, a first stationary contact, and a second stationary contact;
the first stationary contact base is provided with a first groove matched with the sliding rail assembly, and the top of the first stationary contact base is provided with a first stationary contact groove and a second stationary contact groove along a symmetry axis;
the first stationary contact is fixed in the first stationary contact groove, and the second stationary contact is fixed in the second stationary contact groove.
In an alternative embodiment, the second stationary contact includes a second stationary contact base, a third stationary contact, and a fourth stationary contact;
the second stationary contact base is provided with a second groove matched with the sliding rail assembly, and the top of the second stationary contact base is provided with a third stationary contact groove and a fourth stationary contact groove along a symmetry axis;
the third stationary contact is fixed in the third stationary contact groove, and the fourth stationary contact is fixed in the fourth stationary contact groove.
In an alternative embodiment, the first stationary contact base and the second stationary contact base are insulating bases.
The utility model discloses the beneficial effect who brings lies in, through moving contact group based on moving contact drive board with power device's cooperation, with fix the static contact switching contact on the fixed baseplate to this reaches the simple reliable, purpose that switching speed is fast of drive.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating a state a structure of a double-station contact head structure device according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a B-state structure of a double-station contact structure device according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating the first and second stationary contacts of the dual-station contact head structure device according to the embodiment of the present invention;
fig. 4 is an exploded view of the moving contact set of the double-station contact head structure device according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram illustrating a state a structure of a double-station contact head structure device according to an embodiment of the present invention; fig. 2 is a schematic diagram illustrating a state B structure of a double-station contact head structure device according to an embodiment of the present invention; fig. 3 is a schematic diagram illustrating the first and second stationary contacts of the dual-station contact head structure device according to the embodiment of the present invention; fig. 4 is an exploded view of the moving contact in the first structure device of the double-station contact head according to the embodiment of the present invention.
The embodiment of the utility model provides a duplex position contact head structure device, this duplex position contact head structure device includes moving contact base plate, power device, at least one moving contact group 4 and is located respectively first stationary contact group 6 and second stationary contact group 3 of moving contact group both sides; the first fixed contact group 6 and the second fixed contact group 3 are basically fixed based on the moving contact, and the moving contact group 4 is driven to slide towards the first fixed contact group 6 or slide towards the second fixed contact group 3 to carry out quick switching from the state A to the state B.
Specifically, the moving contact substrate comprises a moving contact sliding plate 2 and a moving contact driving plate 1, the moving contact sliding plate 2 is connected to one side of the moving contact driving plate 1, at least one moving contact fixing part 11 is arranged on one side of the moving contact driving plate 1 facing the moving contact sliding plate 2, and the moving contact fixing part 11 corresponds to the moving contact group 4; the moving contact drive board 1 fixes the moving contact group 4 based on the moving contact fixing part 11 and drives the moving contact to slide.
In particular, the moving contact group 4 includes a moving contact base 41, a guide shaft 44, a first spring 42, a second spring 43, a first moving end contact 45 and a second moving end contact 46; the moving contact base 41 is used for fixing the components on the moving contact group 4 on the moving contact fixing part 11, the guide shaft 44 is used for guiding, the first spring 42 and the second spring 43 buffer pressure when the moving contact group 4 is in collision contact with the first fixed contact group 6 and the second fixed contact group 3, and the first moving end contact 45 and the second moving end contact are used for being in contact with the first fixed contact group 6 and the second fixed contact group 3.
The moving contact base 41 is disposed on the moving contact fixing portion 11, the moving contact base 41 is provided with a guide shaft through hole 413 along a center line, and the guide shaft 44 is fixed on the moving contact base 41 based on the guide shaft through hole; the guide shaft 44 can be fixed on the movable contact base 41 based on the guide hole;
a first spring guide through hole 411 is formed in one side of the guide shaft through hole, the first spring 42 is fixed to one side of the guide shaft through hole based on the first spring guide through hole 411, a second spring guide through hole 412 is formed in the other side of the guide shaft through hole, and the second spring 43 is fixed to the other side of the guide shaft through hole based on the second spring guide through hole 412; the first spring 42 and the second spring 43 are fixed on the movable contact base based on the first spring guide through hole 411 and the second guide through hole 412, and enough hole parts are reserved for buffering collision pressure of the first spring 42 and the second spring 43;
the first moving end contact 45 is a U-shaped copper plate, a first through hole is formed along a symmetry axis, the first moving end contact is fixed on one side of the moving contact base 41 based on the matching of the first through hole, the guide shaft and the guide shaft 44 through hole, a first connecting wing is arranged at one end of the first moving end contact 45, a first contact is arranged on the first connecting wing, a second connecting wing is arranged at the other end of the first moving end contact, and a second contact is arranged on the second connecting wing; contacting the first set of stationary contacts 6 based on the first and second contacts;
the second moving-end contact 46 is a U-shaped copper plate, a second through hole is formed along a symmetry axis, the second moving-end contact is fixed on the other side of the moving contact base 41 based on the matching of the second through hole, the guide shaft 44 and the guide shaft through hole, a third connecting wing is arranged at one end of the second moving-end contact 46, a third contact is arranged on the third connecting wing, a fourth connecting wing is arranged at the other end of the second moving-end contact 46, and a fourth contact is arranged on the fourth connecting wing; making collision contact with the second stationary contact group 3 based on the third contact and the fourth contact;
the first spring 42 is connected to the first contact and the third contact, and the second spring 43 is connected to the second contact and the fourth contact, so that the 2-force at the time of collision of the contact points is buffered based on the connection of the first spring 42 and the second spring 43 to the contact points.
Further, the moving contact base 41 is an insulating base, and the moving contact base 41 is an insulating base for insulating the moving contact group 4 from the moving contact drive plate 1 to prevent electric leakage.
Further, the first spring 42 and the second spring 43 are overtravel springs, and based on the first spring 42 and the second spring 43 being overtravel springs, the moving contact is reduced to buffer when sliding left and right and contacting with the fixed contact, so that bouncing is reduced, and the stability of the double-station contact head structure device is ensured.
Specifically, a sliding rail assembly 12 is arranged on the moving contact sliding plate 2, the moving contact group 4 slides along the sliding rail assembly 12, or the moving contact group 4 is fixedly connected with a corresponding moving contact fixing part 11; based on the sliding rail assembly 12, the moving contact driving plate 2 can drive the moving contact group 4 to slide on the moving contact sliding plate 2.
Specifically, the first contact set 6 and the second contact set 3 face the same plane and are arranged on two sides of the movable contact set 4, and the number of turns of the transformer is changed based on the rapid switching of the contact between the movable contact set 4 and the first and second fixed contact sets 6 and 3, so that the voltage of the transformer is changed.
Wherein the first stationary contact group 6 includes a first stationary contact base 61, a first stationary contact 621, and a second stationary contact 631; the first stationary contact base 61 is provided with a first groove 611 matched with the sliding rail assembly 11, and the sliding rail assembly 11 can slide on the first groove 611 based on the first groove 611; a first stationary contact groove 62 and a second stationary contact groove 63 are oppositely arranged on the top of the first stationary contact base 61 along a symmetry axis; the first stationary contact 621 is fixed to the first stationary contact groove 62, and the second stationary contact 631 is fixed to the second stationary contact groove 63; based on the first stationary contact 621 colliding into contact with the second stationary contact 631 and the first and second contact points;
the second stationary contact group 3 includes a second stationary contact base 31, a third stationary contact 321, and a fourth stationary contact 331; the second stationary contact base 31 is provided with a second groove 311 matched with the slide rail assembly 11, and the slide rail assembly 11 can slide at the bottom of the second stationary contact group 3 based on the second groove 311; a third stationary contact groove 32 and a fourth stationary contact groove 33 are oppositely arranged on the top of the second stationary contact base 31 along the symmetry axis; the third stationary contact 32 is fixed to the third stationary contact groove 32, and the fourth stationary contact 33 is fixed to the fourth stationary contact groove 331, based on the collision contact between the third stationary contact 321 and the fourth stationary contact and the collision contact between the third stationary contact and the fourth stationary contact.
Further, the first stationary contact base 61 and the second stationary contact base 31 are insulating bases, and the first stationary contact base 61 and the second stationary contact base 31 which are made of insulating materials are insulating while fixing the first stationary contact group 6 and the second stationary contact group 3, so that electric leakage of the device is avoided.
Specifically, the power device is connected to the moving contact drive plate 1, the moving contact group 4 is driven by the power device to contact with the first stationary contact group 6 or the second stationary contact group 3, and the moving contact drive plate 1 is driven by the power device to enable the moving contact drive plate 1 to obtain kinetic energy and move towards the first stationary contact group 6 or the second stationary contact group 3 to achieve the purpose of switching turns.
Particularly, the power device is a permanent magnet mechanism, the permanent magnet mechanism is connected with the moving contact driving plate 1, the moving contact driving plate 1 is driven to slide towards the first stationary contact group 6 or the second stationary contact group 3 based on the permanent magnet mechanism, the permanent magnet mechanism is simple in structure and small in element, and the action process is simple and suitable for being used on small electrical equipment.
The embodiment of the utility model provides a duplex position contact head structure device, through at least one movable contact group and respectively lie in the quick switch over of making a round trip between the first stationary contact group and the second stationary contact group of movable contact group both sides to reach the drive simply reliable, purpose that switching speed is fast with this; the double-station contact structure is suitable for an oil immersed on-load tap changer, and the volume of the switch and the volume of voltage transformation are greatly reduced.
In addition, the above detailed description is made on the double-station contact head structure device provided by the embodiment of the present invention, and a specific example should be adopted herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. A double-station contact head structure device is characterized by comprising a moving contact head base plate, a power device, at least one moving contact head group, a first fixed contact point group and a second fixed contact point group, wherein the first fixed contact point group and the second fixed contact point group are respectively positioned on two sides of the moving contact head group;
the moving contact base plate comprises a moving contact sliding plate and a moving contact driving plate, the moving contact sliding plate is connected to one side of the moving contact driving plate, at least one moving contact fixing part is arranged on one side of the moving contact driving plate, which faces the moving contact sliding plate, and the moving contact fixing part corresponds to the moving contact group;
the moving contact sliding plate is provided with a sliding rail assembly, the moving contact group slides along the sliding rail assembly, or the moving contact group is fixedly connected with the corresponding moving contact fixing part;
the power device is connected with the moving contact driving plate, and the moving contact group is in contact with the first stationary contact group or the second stationary contact group based on the driving of the power device.
2. The double-station contact head structure device according to claim 1, wherein the power device is a permanent magnet mechanism, and the permanent magnet mechanism is connected with the movable contact drive plate.
3. The dual-station contact head structure device according to claim 1, wherein the moving contact set comprises a moving contact base, a guide shaft, a first spring, a second spring, a first moving end contact and a second moving end contact;
the moving contact base is arranged on the moving contact fixing part, a guide shaft through hole is formed in the moving contact base along the central line, and the guide shaft is fixed on the moving contact base on the basis of the guide shaft through hole;
a first spring guide through hole is formed in one side of the guide shaft through hole, the first spring is fixed to one side of the guide shaft through hole based on the first spring guide through hole, a second spring guide through hole is formed in the other side of the guide shaft through hole, and the second spring is fixed to the other side of the guide shaft through hole based on the second spring guide through hole;
the first moving end contact is a U-shaped copper plate, a first through hole is formed in the first moving end contact along a symmetry axis, the first moving end contact is fixed on one side of the moving contact base based on the matching of the first through hole, the guide shaft and the guide shaft through hole, a first connecting wing is arranged at one end of the first moving end contact, a first contact is arranged on the first connecting wing, a second connecting wing is arranged at the other end of the first moving end contact, and a second contact is arranged on the second connecting wing;
the second moving end contact is a U-shaped copper plate, a second through hole is formed in the second moving end contact along a symmetry axis, the second moving end contact is fixed to the other side of the moving contact base based on the matching of the second through hole, the guide shaft and the guide shaft through hole, a third connecting wing is arranged at one end of the second moving end contact, a third contact is arranged on the third connecting wing, a fourth connecting wing is arranged at the other end of the second moving end contact, and a fourth contact is arranged on the fourth connecting wing;
the first spring is connected to the first contact and the third contact, and the second spring is connected to the second contact and the fourth contact.
4. The dual-station contact structure device of claim 3, wherein the movable contact base is an insulating base.
5. The dual station contact header structure device of claim 3, wherein the first and second springs are over travel springs.
6. The dual-station contact header assembly of claim 1, wherein the first set of stationary contacts and the second set of stationary contacts are disposed on opposite sides of the movable set of contacts facing in a same plane.
7. The dual-station contact header assembly of claim 6, wherein the first stationary contact set comprises a first stationary contact base, a first stationary contact, and a second stationary contact;
the first stationary contact base is provided with a first groove matched with the sliding rail assembly, and the top of the first stationary contact base is provided with a first stationary contact groove and a second stationary contact groove along a symmetry axis;
the first stationary contact is fixed in the first stationary contact groove, and the second stationary contact is fixed in the second stationary contact groove.
8. The dual-station contact header assembly of claim 6, wherein the second set of stationary contacts comprises a second stationary contact base, a third stationary contact, and a fourth stationary contact;
the second stationary contact base is provided with a second groove matched with the sliding rail assembly, and the top of the second stationary contact base is provided with a third stationary contact groove and a fourth stationary contact groove along a symmetry axis;
the third stationary contact is fixed in the third stationary contact groove, and the fourth stationary contact is fixed in the fourth stationary contact groove.
9. The dual station contact header assembly of claim 7 or 8, wherein the first stationary contact base and the second stationary contact base are insulating bases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054128.7U CN211828510U (en) | 2019-11-25 | 2019-11-25 | First device of duplex position contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054128.7U CN211828510U (en) | 2019-11-25 | 2019-11-25 | First device of duplex position contact |
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| Publication Number | Publication Date |
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| CN211828510U true CN211828510U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922054128.7U Active CN211828510U (en) | 2019-11-25 | 2019-11-25 | First device of duplex position contact |
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| CN (1) | CN211828510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063558A (en) * | 2019-11-25 | 2020-04-24 | 广西电网有限责任公司柳州供电局 | First device of duplex position contact |
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2019
- 2019-11-25 CN CN201922054128.7U patent/CN211828510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063558A (en) * | 2019-11-25 | 2020-04-24 | 广西电网有限责任公司柳州供电局 | First device of duplex position contact |
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