CN210536028U - Solid insulation full-sealing structure for ring main unit - Google Patents
Solid insulation full-sealing structure for ring main unit Download PDFInfo
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- CN210536028U CN210536028U CN201921306292.6U CN201921306292U CN210536028U CN 210536028 U CN210536028 U CN 210536028U CN 201921306292 U CN201921306292 U CN 201921306292U CN 210536028 U CN210536028 U CN 210536028U
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- insulating cylinder
- insulating
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- solid insulation
- main unit
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a belong to looped netowrk cabinet technical field, specifically be a solid insulation full seal structure for looped netowrk cabinet, including left open-ended insulating cylinder with be located the left full seal mechanism case of insulating cylinder, the fastening connection has the sealing washer between insulating cylinder and the full seal mechanism case, the inner chamber middle part swing joint of insulating cylinder has the isolation switch, the top of isolating switch articulates there is the moving contact, there is the static contact at insulating cylinder inner chamber left side middle part through screwed connection, the lower part of isolating switch corresponds with the position of static contact, the upper right side of inner chamber of insulating cylinder has vacuum interrupter through screwed connection, be connected with the conductor wire between the left end of vacuum interrupter movable end and the moving contact, this device adopts solid insulating material, and no gas leakage risk, full seal mechanism case and outside air are kept apart completely, can not receive outside air, The influence of condensation reaches the requirement of non-maintaining, and overall structure volume is littleer relatively, and is insulating reliable.
Description
Technical Field
The utility model relates to a looped netowrk cabinet technical field specifically is a solid insulation full seal structure for looped netowrk cabinet.
Background
The ring main unit is an electrical device which is commonly used in power engineering and is used for installing transmission and distribution electrical equipment in a metal or nonmetal insulating cabinet body, the ring main unit is usually arranged outdoors, and in order to ensure normal long distance, the matched insulating equipment is particularly critical.
However, the existing device has the problems that the device adopting gas insulation has gas leakage risk and pollutes the environment, and the totally-enclosed mechanism box is contacted with the outside air and is still damaged by the influence of the outside air and condensation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solid insulation full seal structure for looped netowrk cabinet to the adoption gas insulation's that proposes in solving above-mentioned background art device has the gas leakage risk, and the polluted environment, full seal mechanism case and outside air contact still have the probability to receive the influence of outside air, condensation and the problem of damage.
In order to achieve the above object, the utility model provides a following technical scheme: a solid insulation full-sealing structure for a ring main unit comprises an insulation cylinder with a left opening and a full-sealing mechanism box positioned on the left side of the insulation cylinder, a sealing ring is tightly connected between the insulating cylinder and the full-sealing mechanism box, an isolating switch is movably connected in the middle of the inner cavity of the insulating cylinder, the top end of the isolation switch is hinged with a moving contact, the middle part of the left side of the inner cavity of the insulating cylinder is connected with a static contact through a screw, the lower part of the isolation switch corresponds to the position of the static contact, the upper right side of the inner cavity of the insulating cylinder is connected with a vacuum arc-extinguishing chamber through a screw, a conductive wire is connected between the left end of the movable end of the vacuum arc extinguish chamber and the movable contact, an insulating pull rod is transversely and movably connected at the upper left part of the inner cavity of the insulating cylinder, and the right end of the insulating pull rod is connected with the left movable end of the vacuum arc-extinguishing chamber, and the top and the bottom of the insulating cylinder are respectively welded with a wiring terminal and a wire inlet terminal.
Preferably, the bottom of the full-sealing mechanism box is flush with the bottom of the insulating cylinder.
Preferably, a hoop is sleeved on the wire inlet end.
Preferably, the terminals are three groups of terminals which are arranged in parallel and have the same interval.
Preferably, the length value of the conducting wire is twice of the distance value between the vacuum arc-extinguishing chamber and the movable contact.
Preferably, the connection part of the wire inlet end and the insulating cylinder is connected with an insulating plate through a screw.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the solid insulating material is adopted, so that the risk of gas leakage is avoided, and the surrounding environment is not damaged;
2) the full-sealing mechanism box is completely isolated from the outside air, and cannot be influenced by the outside air and condensation, so that the damage probability is reduced, and the maintenance-free requirement is met;
3) the overall structure is relatively smaller in size, and the reliability is not weaker than that of the traditional insulation sealing mechanism.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a rear view of the insulating cylinder of the present invention.
In the figure: 1 insulating cylinder, 2 full-sealed mechanism boxes, 3 sealing rings, 4 isolating disconnecting links, 5 moving contacts, 6 static contacts, 7 vacuum arc-extinguishing chambers, 8 insulating pull rods, 9 conducting wires, 10 wiring terminals and 11 wire inlet terminals.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a solid insulation full seal structure for looped netowrk cabinet, includes left open-ended insulating cylinder 1 and is located insulating cylinder 1 left full seal mechanism case 2, and above-mentioned part constitutes the structural framework of whole device.
A sealing ring 3 is tightly connected between an insulating cylinder 1 and a full-sealing mechanism box 2, the insulating cylinder 1 is tightly connected with the full-sealing mechanism box 2 through the sealing ring 3 to ensure that a gap is not formed at the connection part, an isolation switch 4 is movably connected with the middle part of an inner cavity of the insulating cylinder 1, a movable contact 5 is hinged at the top end of the isolation switch 4, a static contact 6 is connected with the middle part of the left side of the inner cavity of the insulating cylinder 1 through a screw, the connection and the disconnection of a circuit can be controlled by contacting and keeping away from the static contact 6 through the isolation switch 4, the lower part of the isolation switch 4 corresponds to the position of the static contact 6, a vacuum arc extinguish chamber 7 is connected with the upper right side of the inner cavity of the insulating cylinder 1 through a screw, the vacuum arc extinguish chamber 7 can rapidly extinguish arc and inhibit current after the circuit is charged with power supply, accidents and accidents are avoided, a conducting wire 9 is connected between the, the right end of the insulating pull rod 8 is connected with the left movable end of the vacuum arc-extinguishing chamber 7, the left movable end of the vacuum arc-extinguishing chamber 7 can be controlled to move left and right by pulling the insulating pull rod 8 left and right, so that the lower part of the isolation switch 4 is controlled to contact and be far away from the static contact 6 to achieve circuit connection and disconnection, the top and the bottom of the insulating cylinder 1 are respectively welded with a wiring end 10 and a wire inlet end 11, and cables are connected through the wiring end 10 and the wire inlet end 11.
Wherein, the bottom of the full sealing mechanism box 2 is flush with the bottom of the insulating cylinder 1, so that the whole device occupies less space.
The hoop is sleeved on the wire inlet end 11 and tightly clamps the cable of the wire inlet end 11, so that the cable connection is more stable.
The terminals 10 are three sets of terminals arranged in parallel at the same interval, and the connection of cables can be performed in a more various combination modes.
The length value of the conducting wire 9 is twice of the distance value between the vacuum arc-extinguishing chamber 7 and the movable contact 5, so that the conducting wire 9 cannot be torn off due to the movement of the isolation knife switch 4.
The connection part of the wire inlet end 11 and the insulating cylinder 1 is connected with an insulating plate through a screw, so that the connection stability of the wire inlet end 11 is enhanced.
The working principle is as follows: through the inseparable connection of sealing washer 3 with insulating cylinder 1 and full-sealed mechanism case 2, ensure that the junction does not have the space, lead the cable introduction through wiring end 10 and connect and walk the line through the multiunit interface of wiring end 11, can control the intercommunication and the cutting off of whole circuit through isolation switch 4 contact and keeping away from static contact 6, vacuum interrupter 7 can extinguish arc rapidly and restrain electric current after being responsible for the circuit and cutting off the power, avoid accident and unexpected emergence, thereby control the lower part contact of isolation switch 4 and keep away from static contact 6 and realize circuit intercommunication and cut off about the left and right sides pulling can control the left side movable end of vacuum interrupter 7 through insulating pull rod 8.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a solid insulation fully sealed structure for looped netowrk cabinet, includes left open-ended insulating cylinder (1) and is located left fully sealed mechanism case (2) of insulating cylinder (1), its characterized in that: a sealing ring (3) is tightly connected between the insulating cylinder (1) and the full-sealing mechanism box (2), an isolation switch (4) is movably connected in the middle of the inner cavity of the insulating cylinder (1), a moving contact (5) is hinged at the top end of the isolation switch (4), the middle part of the left side of the inner cavity of the insulating cylinder (1) is connected with a static contact (6) through a screw, the lower part of the isolation switch (4) corresponds to the position of the static contact (6), the right upper side of the inner cavity of the insulating cylinder (1) is connected with a vacuum arc-extinguishing chamber (7) through a screw, an electric lead (9) is connected between the left end of the movable end of the vacuum arc-extinguishing chamber (7) and the movable contact (5), an insulating pull rod (8) is transversely and movably connected at the upper left part of the inner cavity of the insulating cylinder (1), the right end of the insulating pull rod (8) is connected with the left movable end of the vacuum arc-extinguishing chamber (7), the top and the bottom of the insulating cylinder (1) are respectively welded with a wiring terminal (10) and a wire inlet terminal (11).
2. The solid insulation full-sealing structure for the ring main unit according to claim 1, wherein: the bottom of the full-sealing mechanism box (2) is flush with the bottom of the insulating cylinder (1).
3. The solid insulation full-sealing structure for the ring main unit according to claim 1, wherein: and the wire inlet end (11) is sleeved with a hoop.
4. The solid insulation full-sealing structure for the ring main unit according to claim 1, wherein: the terminals (10) are three groups of terminals which are arranged in parallel and have the same distance.
5. The solid insulation full-sealing structure for the ring main unit according to claim 1, wherein: the length value of the conducting wire (9) is twice of the distance value between the vacuum arc-extinguishing chamber (7) and the moving contact (5).
6. The solid insulation full-sealing structure for the ring main unit according to claim 1, wherein: the connection part of the wire inlet end (11) and the insulating cylinder (1) is connected with an insulating plate through a screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921306292.6U CN210536028U (en) | 2019-08-13 | 2019-08-13 | Solid insulation full-sealing structure for ring main unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921306292.6U CN210536028U (en) | 2019-08-13 | 2019-08-13 | Solid insulation full-sealing structure for ring main unit |
Publications (1)
Publication Number | Publication Date |
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CN210536028U true CN210536028U (en) | 2020-05-15 |
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CN201921306292.6U Active CN210536028U (en) | 2019-08-13 | 2019-08-13 | Solid insulation full-sealing structure for ring main unit |
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CN (1) | CN210536028U (en) |
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2019
- 2019-08-13 CN CN201921306292.6U patent/CN210536028U/en active Active
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