CN209929219U - Outdoor recloser - Google Patents
Outdoor recloser Download PDFInfo
- Publication number
- CN209929219U CN209929219U CN201920619536.XU CN201920619536U CN209929219U CN 209929219 U CN209929219 U CN 209929219U CN 201920619536 U CN201920619536 U CN 201920619536U CN 209929219 U CN209929219 U CN 209929219U
- Authority
- CN
- China
- Prior art keywords
- outdoor
- recloser
- transition
- insulating
- flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model provides an outdoor recloser, include: three insulating pole columns and a mechanism box body; insulating utmost point post is including integrative pouring: the device comprises a vacuum arc extinguish chamber, a flexible connecting structure and a conducting rod; the moving contact of the vacuum arc extinguish chamber is electrically connected with the conducting rod through the flexible connecting structure; the three insulating pole columns are installed on the mechanism box body, and each moving contact is in driving connection with a permanent magnet mechanism inside the mechanism box body through an insulating pull rod. The vacuum arc extinguish chamber, the soft connection structure, the conducting rod and the current sensor are integrally poured, so that the problem of gap discharge between the vacuum arc extinguish chamber, the soft connection structure and the current transformer and the insulating resin is solved; the soft connection structure is sealed through the shielding case, so that the sealing problem of resin pouring is solved, the local discharge phenomenon of the soft connection is shielded, and the influence of the local discharge of the soft connection of the conventional insulating pole on the service life of the insulating resin is solved.
Description
Technical Field
The utility model relates to a power equipment field specifically, relates to an outdoor quick coincidence ware.
Background
Reclosers (reclosers) are an intelligent switching device for power distribution network automation that is capable of detecting fault currents, interrupting the fault current in a given time, and performing a given number of recloses, a "self-contained" control switch. As shown in the patent publication CN 108172461a "an outdoor vacuum recloser", the existing outdoor recloser has the following disadvantages:
1. the conventional recloser is connected with a drive pull rod through a permanent magnet mechanism, force is transmitted to an insulating pull rod through a drive plate, then a moving contact of a vacuum arc extinguish chamber is driven, the opening and closing operation of a switch is realized, and the opening time is generally more than 20 ms;
2. the mechanism box is formed by welding stainless steel, welding deformation is easy to generate, the requirement on a welding process is high, and sealing is difficult.
3. A flexible connection structure is required to be designed between a conducting rod of a vacuum arc-extinguishing chamber of the insulating pole and the insulating pull rod. Conventional flexible coupling passes through the polymer diffusion technique, produces high temperature, makes the material harden, easily causes the tortuous fracture phenomenon of flexible coupling after a plurality of mechanical actions, has reduced the original life of flexible coupling. The flexible conducting bar of the conventional flexible connection structure is directly fixed on the movable contact of the vacuum arc extinguish chamber through the insert bolt without any shielding measure, and the flexible connection generates a crease after action and is easy to generate a partial discharge phenomenon. The conventional flexible connection is that the insulating pole is cast and formed firstly and then the flexible connection is assembled secondarily, and after the insulating pole is cast and formed, the installation space is small and the assembly is inconvenient.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing an outdoor recloser.
According to the utility model provides a pair of outdoor recloser, include: three insulating pole columns and a mechanism box body;
insulating utmost point post is including integrative pouring: the device comprises a vacuum arc extinguish chamber, a flexible connecting structure and a conducting rod;
the moving contact of the vacuum arc extinguish chamber is electrically connected with the conducting rod through the flexible connecting structure;
the three insulating pole columns are installed on the mechanism box body, and each moving contact is in driving connection with a permanent magnet mechanism inside the mechanism box body through an insulating pull rod.
Preferably, still include with vacuum interrupter, flexible connection structure and conducting rod cast in one piece: current sensors, voltage sensors;
the current sensor is arranged around the conducting rod, and the voltage sensor is electrically connected with the static contact of the vacuum arc extinguish chamber.
Preferably, the flexible connection structure includes: the flexible conductive bar comprises a first transition connecting piece, a flexible conductive bar and a second transition connecting piece;
two ends of the flexible conducting bar are respectively connected with the first transition connecting piece and the second transition connecting piece, the first transition connecting piece is connected with a moving contact of the vacuum arc-extinguishing chamber, and the second transition connecting piece is connected with the conducting rod.
Preferably, the flexible connection structure further comprises: a shield, the first transition connector, the flexible conductive bar and the second transition connector disposed within the shield.
Preferably, a connecting hole is formed in the first transition connecting piece, the shape of the connecting hole is matched with that of a moving contact of the vacuum arc-extinguishing chamber, and the moving contact is inserted into the connecting hole.
Preferably, two ends of the shielding case are open, and the first transition connector and the second transition connector are respectively located at the two openings.
Preferably, one end of the conducting rod is connected with the second transition connector and seals the opening where the second transition connector is located.
Preferably, the shape of the connecting hole and the movable contact comprises a cone.
Preferably, the mechanism case includes inside: the three permanent magnet mechanisms and the opening drive rod are in drive connection with the three permanent magnet mechanisms;
the outside of the mechanism box body is provided with: an operating handle and an indicating needle;
the operating handle is connected with the brake-separating driving rod and can lock and unlock the brake-separating driving rod;
the pointer with the separating brake actuating lever is connected, can instruct outdoor recloser's operating condition.
Preferably, the vacuum interrupter further comprises a first memory alloy wire clamp and a second memory alloy wire clamp, the first memory alloy wire clamp is connected with a static contact of the vacuum interrupter, and the second memory alloy wire clamp is connected with the conducting rod;
the mechanism box body is integrally formed.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the vacuum arc extinguish chamber, the soft connection structure, the conducting rod and the current sensor are integrally poured, so that the problem of gap discharge between the vacuum arc extinguish chamber, the soft connection structure and the current transformer and the insulating resin is solved;
2. the soft connection structure is sealed by the shielding cover, so that the sealing problem of resin pouring is solved, the local discharge phenomenon of soft connection is shielded, and the influence of the local discharge of the soft connection of the conventional insulated pole on the service life of the insulated resin is solved;
3. the current sensor and the voltage sensor are integrated, and the traditional current transformer is replaced by the current sensor, so that the size is reduced, and the precision is improved; the voltage sensor can accurately measure the voltage on the line, and the problem that the conventional insulating pole can not collect voltage signals is solved. The current transformer, the voltage transformer and the three-phase five-column voltage transformer are integrated together. The volume is reduced, the field installation is convenient, and the overall cost of the switch is greatly reduced;
4. the mechanism case adopts die-casting technology integrated into one piece, has avoided the welding deformation that conventional mechanism case exists, and the box size can't guarantee unanimity, rosin joint, hourglass problem such as weld. The conventional mechanism box is simple in sealing, cannot realize waterproof sealing, is easy to cause corrosion and rust of parts inside a product after long-time outdoor operation, and greatly prolongs the service life of the product;
5. the wire clamp for wire feeding and wire discharging is made of memory alloy materials, constant pre-pressure can be generated after wire connection is completed, and loop resistance change caused by long-time operation is avoided, so that safe and reliable operation of a power grid is guaranteed.
6. The recloser is operated by a three-phase independent mechanism, and is linked by a brake-separating driving rod, so that the brake-separating time is greatly shortened, the brake-separating speed is improved, when a line generates fault current, the brake can be rapidly separated, the fault current of the line is disconnected, and the electricity utilization safety of a user is protected.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a side view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a cross-sectional view of the mechanism case.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the utility model provides an outdoor recloser, include: three insulating poles 1 and a mechanism box body 2; insulating utmost point post 1 is including integrative pouring: the device comprises a vacuum arc extinguish chamber 12, a soft connecting structure 13, a conducting rod 27, a current sensor 14 and a voltage sensor 15; the moving contact of the vacuum arc-extinguishing chamber 12 is electrically connected with the conducting rod 27 through the flexible connecting structure 13; the movable contact of the vacuum arc-extinguishing chamber 12 is electrically connected with the conducting rod 27 through the flexible connecting structure 13, and the current sensor 14 is arranged around the conducting rod 27. The voltage sensor 15 is electrically connected with a fixed contact of the vacuum arc-extinguishing chamber 12. The three insulating poles 1 are arranged on the mechanism box body 2, and each moving contact is in driving connection with a permanent magnet mechanism 31 in the mechanism box body 2 through an insulating pull rod.
Specifically, the integral casting is to integrally cast the vacuum arc-extinguishing chamber, the flexible connection structure, the metal shielding case, the current sensor and the voltage sensor to form an insulating resin cavity through an APG process (epoxy resin automatic pressure gel forming process), and combine all the internal components together.
The flexible connection structure 13 includes: a first transition connector 21, a flexible conductive bar 22, a second transition connector 23 and a shield 24.
The two ends of the flexible conductive bar 22 are respectively connected with the first transition connecting piece 21 and the second transition connecting piece 23, the movable contact 28 of the first transition connecting piece 21 and the vacuum arc-extinguishing chamber 25 can be connected in an adaptive mode, and the first transition connecting piece 21, the flexible conductive bar 22 and the second transition connecting piece 23 are arranged in the shielding cover 24, so that the influence of local discharge of flexible connection is avoided. The shielding cover 24 is open at both ends, and the first transition connector 21 and the second transition connector 23 are respectively located at the two openings to facilitate external connection. The edge position of the opening where the first transition connecting piece 21 is located is provided with a sealing gasket 26 which is connected with the outer wall of the vacuum arc-extinguishing chamber in a sealing way. One end of the conductive rod 27 is connected to the second transition piece 23 and seals the opening where the second transition piece 23 is located.
In this embodiment, the flexible conducting bar 22 includes a plurality of flexible conducting metal members wound or stacked together, and two ends of the flexible conducting bar 22 are respectively connected to the first transition connecting member 21 and the second transition connecting member 23 by cold pressing, so that the problem of metal material damage caused by high welding temperature is solved, and the service life is greatly prolonged.
The connection of the first transition connection 21 to the movable contact 28 is realized in the present embodiment by: the first transition connecting piece 21 is provided with a connecting hole, the shape of the connecting hole is mutually matched with the shape of a movable contact 28 of the vacuum arc-extinguishing chamber 25, and the movable contact 28 is inserted in the connecting hole. The shape of the connection hole and the movable contact 28 includes a taper, which increases the conductive contact area. The rated working current is improved.
After the wiring of the first memory alloy wire clamp 18 on the static contact of the vacuum arc-extinguishing chamber and the second memory alloy wire clamp 19 on the conducting rod is finished, constant pre-pressure can be generated, the change of loop resistance caused by long-time operation can not be caused, and therefore the safe and reliable operation of a power grid is ensured.
The mechanism case adopts die-casting technology integrated into one piece, has avoided the welding deformation that conventional mechanism case exists, and the box size can't guarantee unanimity, rosin joint, hourglass problem such as weld. The conventional mechanism box is simple in sealing, waterproof sealing cannot be achieved, internal parts of the product are easy to corrode and rust due to long-time outdoor operation, and the service life of the product is greatly reduced.
Insulating utmost point post embedding integration voltage current sensor contains three-phase side high accuracy measurement level current sensor of being qualified for next round of competitions (measurable quantity positive sequence and zero sequence), three-phase side high accuracy measurement level voltage sensor of being qualified for next round of competitions (measurable quantity positive sequence and zero sequence) and three-phase side voltage sensor of being qualified for next round of competitions, and conventional circuit breaker only has three-phase side protection level current transformer of being qualified for next round of competitions, and the protection level can only be accomplished to the precision, can't accomplish the measurement level, and is bulky.
The mechanism case 2 includes therein: the three permanent magnet mechanisms 31 and the opening drive rod 32 are connected with the three permanent magnet mechanisms 31 in a driving way; the outside of mechanism box 2 is provided with: an operating handle 3, an indicating needle 4 and an aviation socket 5; the operating handle 3 is connected with the opening driving rod 32 and can lock and unlock the opening driving rod 32; the indicating needle 4 is connected with the opening driving rod 32 and can indicate the working state of the outdoor recloser. The aviation socket 5 provides an interface for connection of the outdoor recloser to an external controller.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. An outdoor recloser, comprising: three insulating pole columns and a mechanism box body;
insulating utmost point post is including integrative pouring: the device comprises a vacuum arc extinguish chamber, a flexible connecting structure and a conducting rod;
the moving contact of the vacuum arc extinguish chamber is electrically connected with the conducting rod through the flexible connecting structure;
the three insulating pole columns are installed on the mechanism box body, and each moving contact is in driving connection with a permanent magnet mechanism inside the mechanism box body through an insulating pull rod.
2. The outdoor recloser of claim 1 further comprising integrally cast with the vacuum interrupter, the flexible connecting structure, and the conductive bar: current sensors, voltage sensors;
the current sensor is arranged around the conducting rod, and the voltage sensor is electrically connected with the static contact of the vacuum arc extinguish chamber.
3. The outdoor recloser of claim 1 wherein said flexible connecting structure comprises: the flexible conductive bar comprises a first transition connecting piece, a flexible conductive bar and a second transition connecting piece;
two ends of the flexible conducting bar are respectively connected with the first transition connecting piece and the second transition connecting piece, the first transition connecting piece is connected with a moving contact of the vacuum arc-extinguishing chamber, and the second transition connecting piece is connected with the conducting rod.
4. The outdoor recloser of claim 3 wherein the flexible connecting structure further comprises: a shield, the first transition connector, the flexible conductive bar and the second transition connector disposed within the shield.
5. The outdoor recloser according to claim 3, wherein the first transition connecting element is provided with a connecting hole, the shape of the connecting hole is matched with the shape of a moving contact of the vacuum interrupter, and the moving contact is inserted into the connecting hole.
6. The outdoor recloser of claim 4 wherein the shield is open at both ends, and wherein the first transition connector and the second transition connector are located at both of the openings.
7. The outdoor recloser of claim 3 wherein one end of the conductive bar is connected to the second transition connector and seals the opening in which the second transition connector is located.
8. The outdoor recloser of claim 5 wherein the shape of the coupling aperture and the movable contact comprises a taper.
9. The outdoor recloser of claim 1 wherein the mechanism housing interior comprises: the three permanent magnet mechanisms and the opening drive rod are in drive connection with the three permanent magnet mechanisms;
the outside of the mechanism box body is provided with: an operating handle and an indicating needle;
the operating handle is connected with the brake-separating driving rod and can lock and unlock the brake-separating driving rod;
the pointer with the separating brake actuating lever is connected, can instruct outdoor recloser's operating condition.
10. The outdoor recloser of claim 9, further comprising a first memory alloy wire clamp and a second memory alloy wire clamp, wherein the first memory alloy wire clamp is connected to a stationary contact of the vacuum interrupter, and the second memory alloy wire clamp is connected to the conductive rod;
the mechanism box body is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619536.XU CN209929219U (en) | 2019-04-30 | 2019-04-30 | Outdoor recloser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619536.XU CN209929219U (en) | 2019-04-30 | 2019-04-30 | Outdoor recloser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929219U true CN209929219U (en) | 2020-01-10 |
Family
ID=69089322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920619536.XU Active CN209929219U (en) | 2019-04-30 | 2019-04-30 | Outdoor recloser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220076910A1 (en) * | 2020-09-04 | 2022-03-10 | Eaton Intelligent Power Limited | Switching apparatus with electrically isolated user interface |
-
2019
- 2019-04-30 CN CN201920619536.XU patent/CN209929219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220076910A1 (en) * | 2020-09-04 | 2022-03-10 | Eaton Intelligent Power Limited | Switching apparatus with electrically isolated user interface |
| US11728117B2 (en) * | 2020-09-04 | 2023-08-15 | Eaton Intelligent Power Limited | Switching apparatus with electrically isolated user interface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103247434B (en) | Combination converter arrangement and switching device | |
| US20120274428A1 (en) | Circuit-breaker with a common housing | |
| CN104779549B (en) | Intelligent full-closed permanent magnetic vacuum breaker | |
| CN104701101A (en) | Cover assembly for circuit breaker, circuit breaker having the same, and method | |
| CN209929219U (en) | Outdoor recloser | |
| CN210006664U (en) | multifunctional circuit breaker solid-sealed polar pole | |
| CN209929212U (en) | Insulating pole | |
| CN112017905A (en) | Quick-acting magnetic control vacuum circuit breaker | |
| CN102760622B (en) | It is 18mm multifunctional electric leakage circuit breaker that nothing lengthens width | |
| CN117059433A (en) | Secondary depth fusion magnetic control column circuit breaker with traveling wave fault distance measurement | |
| CN210091973U (en) | Pole-mounted circuit breaker | |
| CN104576160A (en) | Solid insulating three-position isolating switch with grounding switching off capability | |
| CN208655458U (en) | A kind of high-voltage DC contactor with auxiliary monitoring function | |
| CN206340479U (en) | A kind of pole of integral moulding by casting | |
| CN201237999Y (en) | Great-current pouring pole type vacuum circuit breaker | |
| CN113380576A (en) | Solid-sealed polar pole of draw-out type vacuum circuit breaker | |
| CN207381850U (en) | A kind of on-pole switch equipment built in disconnecting switch | |
| CN108320988B (en) | 10kV pole-mounted circuit breaker | |
| CN207425710U (en) | A kind of pre-payment high-pressure vacuum breaker | |
| CN217468280U (en) | Solid-sealed polar pole of isolating circuit breaker | |
| CN2891412Y (en) | Network-based intelligent permanent magnetic actuated MV/HV switch cabinet | |
| CN2929945Y (en) | Sealed high voltage permanent mechanism vacuum breaker for station | |
| CN206040510U (en) | Solid utmost point post that seals of built -in operating mechanism | |
| CN220796575U (en) | Secondary depth fusion solid-sealed polar pole with traveling wave signal sampling | |
| CN212517024U (en) | Quick-acting magnetic control vacuum circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |