CN110853968B - Isolating switch and sealing reset device of static contact of isolating switch - Google Patents
Isolating switch and sealing reset device of static contact of isolating switch Download PDFInfo
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- CN110853968B CN110853968B CN201810954500.7A CN201810954500A CN110853968B CN 110853968 B CN110853968 B CN 110853968B CN 201810954500 A CN201810954500 A CN 201810954500A CN 110853968 B CN110853968 B CN 110853968B
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- sealing
- isolating switch
- guide
- resetting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/64—Protective enclosures, baffle plates, or screens for contacts
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention discloses a sealing reset device of a static contact of an isolating switch, which comprises a sealing guide part and an elastic reset assembly, wherein the sealing guide part is of an annular structure which is connected to the periphery of a contact in a sliding mode along the axial direction, a sealing sleeve is arranged between the sealing guide part and the contact, the elastic reset assembly comprises a plurality of elastic parts which are distributed along the periphery of the contact in the circumferential direction, each elastic part is located between the sealing guide part and a current conducting plate, one end of each elastic part is connected with the sealing guide part, and the other end of each elastic part is connected with the current conducting plate in an insulating mode. This scheme adopts along the cylindrical helical spring structure among the contact circumference a plurality of elastic components that distribute, and occupation space is little, and structural design and arrangement of being convenient for have solved the problem that can't adopt major diameter cylindrical helical spring, and the reliability is high. The invention also discloses an isolating switch comprising the sealing reset device of the isolating switch static contact.
Description
Technical Field
The invention relates to the technical field of isolating switches, in particular to an isolating switch and a sealing reset device of a static contact of the isolating switch.
Background
The isolating switch is in the opening position, and the contacts have an insulation distance meeting the specified requirements and an obvious disconnection mark; a switch capable of withstanding current flow in normal line conditions and current flow in abnormal conditions for a specified period of time when in the closed position. The isolating switch generally refers to a high-voltage isolating switch, i.e. an isolating switch with a rated voltage of 1kV or more, generally referred to as an isolating switch for short, is one of the most used electrical appliances in a high-voltage switch electrical appliance, and is widely used in alternating current and direct current transmission engineering.
In order to ensure the long-term reliable operation of the isolating switch, a static contact of the isolating switch adopts a sealing structure. At present, a static contact of an isolating switch generally adopts a cylindrical spiral spring structure as a resetting device. Due to the fact that the through-current capacity is large, when the overall dimension of the static contact pipe is increased to a certain dimension, the cylindrical helical spring structure adopted conventionally cannot be designed due to the fact that the spring pitch diameter and the spring proportion exceed the design range, and therefore the requirements for resetting stability and reliability cannot be met.
Therefore, how to develop a sealing reset device for a fixed contact of an isolating switch, which is convenient to arrange, good in stability and high in reliability, is a technical problem to be solved by technical personnel in the field at present.
Disclosure of Invention
In view of this, the invention aims to provide a sealing reset device for a fixed contact of an isolating switch, which is convenient to arrange, good in stability and high in reliability, and meets the requirements of an alternating current and direct current transmission project. Another object of the present invention is to provide a disconnector.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a sealed resetting means of isolator static contact, includes sealed guide and elasticity reset assembly, sealed guide is along the annular structure of axial sliding connection in contact periphery, sealed guide with be provided with the seal cover between the contact, elasticity reset assembly includes along a plurality of elastic components of contact periphery circumference distribution, every elastic component all is located between sealed guide and the current conducting plate, the one end of elastic component with sealed guide meets and the other end with the current conducting plate is insulating meets.
Preferably, the elastic component includes driving lever, torsional spring, support, the support insulation is fixed in on the current conducting plate, the first end of driving lever rotate connect in support and second end with the terminal surface sliding contact of sealed guide, the one end of torsional spring with support relatively fixed connection and the other end with the driving lever relatively fixed connection, the second end of driving lever is close to the in-process of current conducting plate the torsional spring takes place to deform and the energy storage, the second end of driving lever is kept away from the in-process of current conducting plate the torsional spring resets and releases elastic potential energy.
Preferably, the second end of the shift lever is provided with a first roller contacting the sealing guide.
Preferably, the first end of the shift lever is rotatably connected to the bracket through a fixed shaft, and the axial direction of the fixed shaft extends along the radial direction of the contact.
Preferably, an insulating plate is disposed between the bracket and the conductive plate.
In another preferred scheme, the elastic element comprises a shaft pin and a return spring sleeved on the periphery of the shaft pin, the first end of the shaft pin penetrates through the shaft hole of the current-conducting plate in a sliding mode, the second end of the shaft pin is fixedly connected with the sealing guide piece, one end of the return spring acts on the current-conducting plate, the other end of the return spring acts on the end face of the sealing guide piece, and an insulating sleeve is arranged between the shaft pin and the shaft hole.
Preferably, a limit washer is arranged on one side of the first end of the shaft pin extending out of the shaft hole of the conductive plate.
Preferably, the sealing guide is provided with a rolling member contacting with an outer periphery of the contact.
Preferably, the rolling member includes two turns of roller sets distributed along an axial direction of the contact, and each turn of the roller set includes a plurality of second rollers distributed along a circumferential direction of the contact.
Preferably, the sealing reset device for the static contact of the isolating switch further comprises a limiting structure for limiting the sliding range of the sealing guide piece.
The invention provides a sealing reset device of a static contact of an isolating switch, which comprises a sealing guide part and an elastic reset assembly, wherein the sealing guide part is of an annular structure which is connected to the periphery of a contact in a sliding mode along the axial direction, a sealing sleeve is arranged between the sealing guide part and the contact, the elastic reset assembly comprises a plurality of elastic parts which are distributed along the periphery of the contact in the circumferential direction, each elastic part is located between the sealing guide part and a current conducting plate, one end of each elastic part is connected with the sealing guide part, and the other end of each elastic part is connected with the current conducting plate in an insulating mode.
The working principle of the invention is as follows:
when isolator combined floodgate, sealed guide moved to the conducting plate direction under the exogenic action to exert the effort to elasticity reset assembly, make each elastic component be close to the conducting plate, until the combined floodgate position, the elastic component carries out the energy storage simultaneously. When the isolating switch is switched off, the elastic piece gradually releases elastic potential energy and gradually resets to be far away from the conducting plate in the process that the external force of the sealing guide piece is gradually reduced, and the elastic piece applies acting force to the sealing guide piece, so that the sealing guide piece moves along the direction far away from the conducting plate until the switching-off position is reached.
The invention has the following beneficial effects:
(1) the plurality of elastic pieces distributed along the circumferential direction of the contact are adopted to replace a cylindrical helical spring structure in the prior art, so that the occupied space is small, the structural design and arrangement are convenient, the problem that a large-diameter cylindrical helical spring cannot be adopted is solved, and the reliability is high;
(2) the plurality of elastic pieces reset simultaneously, so that the structure is reasonable and the movement is reliable;
(3) the sealing guide piece is connected with the contact in a sealing sliding mode, the sealing performance and the pollution resistance are improved, the elastic piece is connected with the current conducting plate in an insulating mode, and the electrical performance is excellent.
The invention also provides the isolating switch comprising the sealing resetting device of the isolating switch static contact. The derivation process of the beneficial effect of the isolating switch is substantially similar to the derivation process of the beneficial effect brought by the sealing reset device of the fixed contact of the isolating switch, and therefore, the description is omitted here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 view of the overall assembly of a seal resetting apparatus according to an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1;
FIG. 3 is a schematic view of a seal guide in an embodiment of the present invention;
FIG. 4 is a schematic view of a resilient member according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a switching-on and switching-off principle of the sealing reset device in an embodiment of the present invention;
FIG. 6 is a schematic diagram of a closing position of the seal resetting device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of the opening position of the seal resetting device in the embodiment of the invention.
In fig. 1 to 7:
the device comprises a guide cover 1, a guide head 2, a sealing guide 3, a contact 4, an insulating plate 5, a conductive plate 6, a torsion spring deflector rod elastic piece 7, a sealing sleeve 8, a sealing cover 9, a supporting block 10, a contact plate 11, a contact plate 12, a pin 13, a second roller 14, a first roller 15, a wheel shaft 15, a split pin 16, a deflector rod 17, a torsion spring 18, a fixed shaft 19, a bracket 20 and a limiting groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, fig. 1 is a schematic view of an assembly structure of a seal resetting device according to an embodiment of the present invention; FIG. 2 is a sectional view taken along line A-A in FIG. 1; FIG. 3 is a schematic view of a seal guide in an embodiment of the present invention; FIG. 4 is a schematic view of a resilient member according to an embodiment of the present invention; FIG. 5 is a schematic diagram illustrating a switching-on and switching-off principle of the sealing reset device in an embodiment of the present invention; FIG. 6 is a schematic diagram of a closing position of the seal resetting device according to an embodiment of the present invention; fig. 7 is a schematic diagram of the opening position of the seal resetting device in the embodiment of the invention.
In order to facilitate structural design and arrangement and solve the problem that a large-diameter cylindrical spiral spring cannot be adopted, the invention provides a sealing reset device of an isolating switch static contact, which is convenient to arrange, good in stability and high in reliability, and meets the requirements of an alternating-current and direct-current power transmission project, and particularly comprises the following components: sealed guide 3 and elasticity subassembly that resets, sealed guide 3 is for following the annular structure of axial sliding connection in contact 4 periphery, is provided with seal cover 8 between sealed guide 3 and the contact 4, and elasticity subassembly that resets includes a plurality of elastic components along contact 4 periphery circumference distribution, and every elastic component all is located between sealed guide 3 and the current conducting plate 6, and the one end of elastic component meets with sealed guide 3 and the other end meets with current conducting plate 6 is insulating. Wherein the contact 4 is fixedly connected with the conductive plate 6.
The working principle of the invention is as follows:
when isolator combined floodgate, sealed guide 3 moves to 6 directions of conducting plate under the exogenic action to exert the effort to elasticity reset assembly, make each elastic component be close to conducting plate 6, until the combined floodgate position, the elastic component carries out the energy storage simultaneously. When the isolating switch is switched off, the elastic piece gradually releases elastic potential energy and gradually resets to be far away from the conductive plate 6 in the process that the external force of the sealing guide piece 3 is gradually reduced, and the elastic piece applies acting force to the sealing guide piece 3, so that the sealing guide piece 3 moves along the direction far away from the conductive plate 6 until the switching-off position is reached.
It should be noted that the elastic member in this embodiment is used to provide effective support for the sealing guide 3 in the opening position state, and can deform and accumulate elastic potential energy when the sealing guide 3 approaches the conductive plate 6 in the closing process. The elastic element can be designed into various structural forms, in a preferred embodiment, as shown in fig. 4, the elastic element is designed as a torsion spring deflector rod elastic element 7, and specifically includes a deflector rod 17, a torsion spring 18 and a support 20, the support 20 is fixed on the current conducting plate 6 in an insulating manner, a first end of the deflector rod 17 is rotatably connected to the support 20, and a second end of the deflector rod 17 is in sliding contact with the end surface of the sealing guide 3, one end of the torsion spring 18 is relatively fixedly connected with the support 20, and the other end of the torsion spring is relatively fixedly connected with the deflector rod 17, the torsion spring 18 deforms and stores energy in the process that the second end of the deflector rod 17 is close to the current conducting plate 6, and the torsion spring 18 resets and releases elastic potential energy in the process that the second end of the deflector rod 17 is far away from the current conducting plate 6. The deflector rods 17 serve to transmit the restoring elasticity of the torsion springs 18 and provide effective support for the sealing guide 3, and the deflector rods 17 are circumferentially supported on the end face of the sealing guide 3, so that the sealing guide 3 can be ensured to smoothly slide along the axial direction of the contact 4. The torsion spring 18 acts to apply a spring torsion to the shift lever 17, so that the return operation of the sealing guide 3 is effected by the shift lever 17. When the isolating switch is in a switching-off state, each deflector rod 17 is obliquely arranged on the periphery of the contact 4 along the axial direction of the contact 4 or relative to the axial direction of the contact 4, and the included angle between the deflector rod 17 and the conductive plate 6 is at the maximum value; when the isolating switch is in a switching-on process, the shifting rod 17 gradually inclines towards the direction of the conducting plate 6 to approach until the isolating switch reaches a switching-on position, and an included angle between the shifting rod 17 and the conducting plate 6 reaches a minimum value.
In the present embodiment, the specific number of the elastic members may be designed according to the specific outer diameter of the contact 4 and the size of the gap between the contact 4 and the guide cover 1, and generally 4 to 12 elastic members are provided. In order for the respective elastic members to provide a more uniform supporting force for the seal guide 3, it is preferable that a plurality of elastic members are uniformly arranged on the outer periphery of the contact 4.
It should be noted that the second end of the shift lever 17 is in sliding contact with the end surface of the sealing guide 3, and during the switching-off and switching-on processes, the second end of the shift lever 17 needs to be always in contact with the end surface of the sealing guide 3 to ensure that effective support is provided, and in order to reduce the sliding friction force between the second end of the shift lever 17 and the sealing guide 3 and reduce the friction loss, preferably, the present scheme is provided with a first roller 14 at the second end of the shift lever 17, which is in contact with the sealing guide 3, as shown in fig. 4. Specifically, the first roller 14 is rotatably connected to a second end of the shift lever 17 through the axle 15, and the axle 15 is fixed by the cotter pin 16.
It should be noted that, the first end of the shift lever 17 is rotatably connected to the bracket 20, so as to ensure that the shift lever 17 can swing back and forth with respect to the conductive plate 6, specifically, the first end of the shift lever 17 is rotatably connected to the bracket 20 through the fixing shaft 19, and the axial direction of the fixing shaft 19 preferably extends along the radial direction of the contact 4, so that the shift lever 17 can be arranged along the axial direction of the contact 4 when the disconnecting switch is in the opening state, and the shift lever 17 can be smoothly close to the conductive plate 6 in the narrow space between the contact 4 and the guide cover 1 when the disconnecting switch is in the closing state, that is, the space utilization ratio is further improved, so that the components can be more easily arranged.
It should be noted that the bracket 20 is used to provide a bottom support for the shift lever 17 and the torsion spring 18, and the bracket 20 is preferably fixedly connected to the conductive plate 6 through the insulating plate 5, so as to ensure good electrical insulation.
The working principle of the above-described embodiment is described below with reference to fig. 5 to 7:
when the isolating switch is switched on, the sealing guide part 3 moves towards the conducting plate 6 under the action of external force, so that acting force is applied to the shift lever 17 through the first roller 14, the torsion spring 18 starts to store energy, the shift lever 17 rotates around the bracket 20, until the switching-on position is reached, the included angle between the shift lever 17 and the conducting plate 6 reaches the minimum value, and at the moment, the torsion spring 18 stores the maximum elastic potential energy;
when the isolating switch is switched off, the external acting force applied to the sealing guide part 3 is gradually reduced, the torsion spring 18 starts to release elastic potential energy, so that the driving lever 17 is driven to rotate around the support 20 along the switching-off direction, the acting force applied to the sealing guide part 3 through the first roller 14 is larger than the external acting force, the sealing guide part 3 moves along the direction far away from the current-conducting plate 6, and the elastic potential energy of the torsion spring 18 reaches the minimum value until the switching-off position is reached.
In another kind of preferred scheme, the elastic component includes the pivot and overlaps the reset spring who establishes in the pivot periphery, and the first end of pivot slides and runs through in the shaft hole of current conducting plate 6 and second end and sealed guide 3 fixed connection, and reset spring's one end acts on current conducting plate 6 and the other end acts on the terminal surface of sealed guide 3, is equipped with insulating cover between pivot and the shaft hole. The conductive plate 6 is provided with a plurality of shaft holes distributed along the circumferential direction of the contact 4, and the shaft holes correspond to the shaft pins of the elastic pieces one by one. The function of the pivot pin is to provide a guide for the sliding of the sealing guide 3 and to provide a support for the return spring. The return spring is sleeved on the periphery of the shaft pin and provides elastic support for the sealing guide piece 3. When the isolating switch is in a switching-on process, the sealing guide piece 3 approaches to the direction of the conducting plate 6 under the action of external force, and simultaneously compresses a return spring which accumulates elastic potential energy until the isolating switch reaches a switching-on position; when the isolating switch is in the opening process, the external acting force applied to the sealing guide piece 3 is gradually reduced, and meanwhile, the elastic force applied to the sealing guide piece 3 by each reset spring is larger than the external acting force, so that the sealing guide piece 3 is driven to move towards the direction far away from the conducting plate 6 until the isolating switch reaches the opening position, and at the moment, the elastic potential energy of the reset springs reaches the minimum value.
It should be noted that the shaft pin and the sealing guide 3 may be fixedly connected or in contact with each other. An insulating plate 5 is arranged between the end of the return spring and the conductive plate 6 to ensure electrical insulation. In addition, an insulating sleeve is arranged between the shaft pin and the shaft hole of the conductive plate 6 to ensure electrical insulation, and the shaft pin can be designed to be made of insulating materials.
Preferably, one side that the first end of above-mentioned pivot stretches out in the shaft hole of conducting plate 6 is provided with the spacing packing ring, and this spacing packing ring can be when isolator is in the separating brake state, and the elasticity of avoiding reset spring to order about sealed guide 3 and break away from conducting plate 6 together with the pivot to guarantee reliable connection, guarantee safety in utilization. Specifically, the spacing washer may be secured to the first end of the axle pin by a cotter pin or a nut.
Note that the seal guide 3 functions to receive an external force and seal the contact 4 in the circumferential direction. The sealing guide 3 may be designed into various structural forms, such as an annular plate-shaped structure, an annular tubular structure, and the like, specifically, the sealing guide 3 in the embodiment includes a sealing sleeve 8, a sealing cover 9, a supporting block 10, a contact plate 11, and the like, where the sealing sleeve 8 is sleeved on the periphery of the contact 4, and the sealing cover 9 is fixedly connected to the sealing sleeve 8 and is used for sealing a space between the contact 4 and the guide cover 1; the sealing cover 9 is of an annular shell structure, and the supporting block 10 is arranged inside the sealing cover 9 and plays a role in improving the strength and stability of the sealing cover 9; a contact plate 11 is fixed to the end face of the sealing guide 3 on the side facing the conductive plate 6 for sliding contact connection with the end of the elastic element.
Preferably, the sealing guide 3 is provided with a rolling member contacting with the outer periphery of the contact 4, so that when the sealing guide 3 slides reciprocally along the outer periphery of the contact 4, the friction between the two can be further reduced by the rolling member, thereby reducing wear and prolonging the service life.
It should be noted that the rolling member may be designed into various structural forms, such as a roller structure, a ball structure, a cylindrical roller structure, etc., and preferably, the rolling member includes two roller groups distributed along the axial direction of the contact 4, each roller group includes a plurality of second rollers 13 distributed along the circumferential direction of the contact 4, as shown in fig. 3, by providing two rollers 13 between the seal guide 3 and the contact 4, the operation resistance may be further reduced, the sliding stability of the seal guide 3 may be improved, and the reliability of the product may be further improved. Specifically, the second roller 13 is rotatably connected to the sealing guide 3 by a pin 12, and the pin 12 may be disposed on the sealing cover 9 or fixed to the supporting block 10. In addition, the sealing sleeve 8 is preferably arranged on the side of the guide head 2 facing the outside of the contact 4 of the sealing guide 3, so that dirt can be further prevented from entering the position of the second roller 13, and the operation reliability is improved.
(7) The limiting groove is formed in the guide cover, so that the sealing reset device can not generate over-position movement when the brake is switched off, and the safety protection effect is achieved.
Preferably, the sealing reset device for the static contact of the isolating switch further comprises a limiting structure for limiting the sliding range of the sealing guide 3. Through setting up limit structure can ensure that this sealed resetting means sealed guide 3 can not take place the excessive movement when separating the floodgate position, promptly, avoids sealed guide 3 to deviate from contact 4 to play the safety protection effect.
Specifically, the limiting structure may be designed into various structural forms, for example, a limiting protrusion is disposed on the periphery of the contact 4, or a limiting groove is disposed on an inner ring of the guide cover 1, and preferably, the sealing and resetting device for the static contact of the disconnecting switch in this embodiment further includes the guide cover 1 located on the periphery of the contact 4, as shown in fig. 1, the guide cover 1 and the insulating plate 5 are sequentially installed on the conductive plate 6, the guide head 2 is installed at one end of the contact 4 facing the outside, and the sealing guide 3 is located in a gap between the guide cover 1 and the contact 4. The limiting structure is a limiting groove 21 arranged on the guide cover 1, as shown in fig. 7, specifically, the limiting groove 21 is located at a position corresponding to the outer end of the contact 4 on the guide cover 1, and when the sealing guide 3 moves to a position where the tail end of the contact 4 is connected with the guide head 2, the sealing guide is just clamped in the limiting groove 21 of the guide cover 1, so that the sealing guide 3 is prevented from being separated from the contact 4.
The invention has the following beneficial effects:
(1) a plurality of elastic pieces distributed along the circumferential direction of the contact 4 are adopted to replace a cylindrical helical spring structure in the prior art, so that the occupied space is small, the structural design and arrangement are convenient, the problem that a large-diameter cylindrical helical spring cannot be adopted is solved, and the reliability is high;
(2) the plurality of elastic pieces reset simultaneously, so that the structure is reasonable and the movement is reliable;
(3) the sealing guide piece 3 is connected with the contact 4 in a sealing sliding way, so that the sealing performance and the pollution resistance are improved, and the elastic piece is connected with the conductive plate 6 in an insulating way, so that the electrical performance is excellent;
(4) a plurality of rollers are arranged in two rows between the sealing guide part 3 and the contact 4, and the rollers are used for contact, so that the operation resistance is reduced, and the product reliability is improved;
(5) the sealing guide piece 3 is connected in a mode of combining the supporting block 10 with the sealing cover 9, so that the stability of the product is improved;
(6) the elastic piece 7 of the torsional spring deflector rod is reset by a torsional spring, so that the occupied space is small and the space utilization rate is high;
(7) the deflector rod 17 is in contact connection with the sealing guide 3 by adopting a roller, so that the operation is flexible, and the matching is convenient and quick;
(8) through set up spacing groove 21 on guide housing 1, can ensure that sealed guide 3 can not produce the excessive motion in the separating brake position, play safety protection's effect.
The invention also provides the isolating switch comprising the sealing resetting device of the isolating switch static contact. The derivation process of the beneficial effect of the isolating switch is substantially similar to the derivation process of the beneficial effect brought by the sealing reset device of the fixed contact of the isolating switch, and therefore, the description is omitted here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a sealed resetting means of isolator static contact, its characterized in that, includes sealed guide (3) and elasticity reset assembly, sealed guide (3) are along the annular structure of axial sliding connection in contact (4) periphery, sealed guide (3) with be provided with seal cover (8) between contact (4), elasticity reset assembly includes along a plurality of elastic components of contact (4) periphery circumference distribution, every elastic component all is located between sealed guide (3) and current conducting plate (6), the one end of elastic component with sealed guide (3) meet and the other end with current conducting plate (6) are insulating to be met, the elastic component includes driving lever (17), torsional spring (18), support (20) insulation fixation is in on current conducting plate (6), the first end of driving lever (17) rotate connect in support (20) and the second end with the sealed guide's (3) the driving lever The end face of the shifting rod is in sliding contact with the end face of the torsion spring (18), one end of the torsion spring is fixedly connected with the support (20) relatively, the other end of the torsion spring is fixedly connected with the shifting rod (17) relatively, the second end of the shifting rod (17) is close to the conducting plate (6), the torsion spring (18) deforms and stores energy, and the torsion spring (18) resets and releases elastic potential energy in the process that the second end of the shifting rod (17) is far away from the conducting plate (6).
2. The device for resetting the seal of the static contact of the isolating switch according to claim 1, characterized in that the second end of the shift lever (17) is provided with a first roller (14) which is in contact with the seal guide (3).
3. The device for hermetically resetting a stationary contact of an isolating switch according to claim 1, wherein the first end of the shift lever (17) is rotatably connected to the bracket (20) by a fixed shaft (19), and an axial direction of the fixed shaft (19) extends in a radial direction of the contact (4).
4. The device for hermetically resetting a stationary contact of an isolating switch according to claim 1, characterized in that an insulating plate (5) is arranged between the bracket (20) and the conductive plate (6).
5. The sealing and resetting device for the static contact of the isolating switch according to claim 1, wherein the elastic member comprises a shaft pin and a resetting spring sleeved on the periphery of the shaft pin, a first end of the shaft pin slidably penetrates through a shaft hole of the conductive plate (6) and a second end of the shaft pin is fixedly connected with the sealing guide member (3), one end of the resetting spring acts on the conductive plate (6) and the other end of the resetting spring acts on an end surface of the sealing guide member (3), and an insulating sleeve is arranged between the shaft pin and the shaft hole.
6. The sealing and resetting device of the static contact of the isolating switch according to claim 5, wherein a limit washer is arranged at one side of the first end of the shaft pin extending out of the shaft hole of the conducting plate (6).
7. The device for resetting the seal of a stationary contact of an isolating switch according to any one of claims 1 to 6, characterized in that the sealing guide (3) is provided with a rolling element in contact with the outer periphery of the contact (4).
8. The device for resetting the seal of a stationary contact of an isolating switch according to claim 7, characterized in that the rolling member comprises two rings of roller sets distributed along the axial direction of the contact (4), each ring of roller set comprising a plurality of second rollers (13) distributed along the circumferential direction of the contact (4).
9. The device for restoring the seal of the stationary contact of the disconnecting switch according to any one of claims 1 to 6, further comprising a limiting structure for limiting the sliding range of the sealing guide (3).
10. An isolating switch, characterized in that it comprises a device for resetting the seal of a stationary contact of an isolating switch according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810954500.7A CN110853968B (en) | 2018-08-21 | 2018-08-21 | Isolating switch and sealing reset device of static contact of isolating switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810954500.7A CN110853968B (en) | 2018-08-21 | 2018-08-21 | Isolating switch and sealing reset device of static contact of isolating switch |
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| CN110853968A CN110853968A (en) | 2020-02-28 |
| CN110853968B true CN110853968B (en) | 2021-11-19 |
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| CN201810954500.7A Active CN110853968B (en) | 2018-08-21 | 2018-08-21 | Isolating switch and sealing reset device of static contact of isolating switch |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0203373A1 (en) * | 1985-05-20 | 1986-12-03 | BBC Brown Boveri AG | Isolating switch |
| CN202721064U (en) * | 2012-02-17 | 2013-02-06 | 平高集团有限公司 | Combined type static contact assembly of high-voltage isolating switch |
| CN104282451A (en) * | 2014-10-27 | 2015-01-14 | 湖南长高高压开关集团股份公司 | Switching-on mechanism of high-voltage isolation switch |
| CN107669130A (en) * | 2017-10-27 | 2018-02-09 | 珠海格力电器股份有限公司 | Uncovering button assembly and cooker thereof |
| CN207542176U (en) * | 2017-11-07 | 2018-06-26 | 徐州新电高科电气有限公司 | Breaker contact system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5434406B2 (en) * | 2009-09-09 | 2014-03-05 | 株式会社日立製作所 | Disconnector |
-
2018
- 2018-08-21 CN CN201810954500.7A patent/CN110853968B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0203373A1 (en) * | 1985-05-20 | 1986-12-03 | BBC Brown Boveri AG | Isolating switch |
| CN202721064U (en) * | 2012-02-17 | 2013-02-06 | 平高集团有限公司 | Combined type static contact assembly of high-voltage isolating switch |
| CN104282451A (en) * | 2014-10-27 | 2015-01-14 | 湖南长高高压开关集团股份公司 | Switching-on mechanism of high-voltage isolation switch |
| CN107669130A (en) * | 2017-10-27 | 2018-02-09 | 珠海格力电器股份有限公司 | Uncovering button assembly and cooker thereof |
| CN207542176U (en) * | 2017-11-07 | 2018-06-26 | 徐州新电高科电气有限公司 | Breaker contact system |
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| CN110853968A (en) | 2020-02-28 |
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