CN113721067A - Arc current detection device for plateau power distribution overhead line - Google Patents
Arc current detection device for plateau power distribution overhead line Download PDFInfo
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- CN113721067A CN113721067A CN202111169522.0A CN202111169522A CN113721067A CN 113721067 A CN113721067 A CN 113721067A CN 202111169522 A CN202111169522 A CN 202111169522A CN 113721067 A CN113721067 A CN 113721067A
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- casing
- current detection
- power distribution
- detection device
- arc current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
本发明提供了一种用于高原配电架空线路的电弧电流检测装置，包括：壳体、固定机构、夹紧机构和检测器；所述固定机构穿设在所述壳体上，所述夹紧机构与所述壳体连接；所述检测器设置在所述夹紧机构上。本发明通过设置固定机构，能够让用户手动对架空线进行挤压固定，同时可根据架空线的尺寸进行调节，使其能够适用于任意尺寸的架空线；通过设置夹紧机构，能够带动检测器贴合于架空线的外围对其进行检测工作，方便用户使用，改善用户的使用效果。
The invention provides an arc current detection device for high altitude power distribution overhead lines, comprising: a casing, a fixing mechanism, a clamping mechanism and a detector; the fixing mechanism is penetrated on the casing, and the clamping mechanism The clamping mechanism is connected with the housing; the detector is arranged on the clamping mechanism. By setting the fixing mechanism, the present invention can allow the user to manually squeeze and fix the overhead wire, and at the same time, it can be adjusted according to the size of the overhead wire, so that it can be adapted to any size of the overhead wire; by setting the clamping mechanism, the detector can be driven It is fitted to the periphery of the overhead line to detect it, which is convenient for the user to use and improves the user's use effect.
Description
Technical Field
The invention relates to the technical field of arc current detection devices, in particular to an arc current detection device for a plateau power distribution overhead line.
Background
The transmission line is characterized in that a transmission conductor is fixed on a tower erected on the ground by an insulator and used for transmitting electric energy. The power transmission line comprises a lead, an overhead ground wire, an insulator string, a tower, a grounding device and the like. The wire is made of a metal that conducts well, has a sufficiently thick cross section (to maintain proper current density) and a large radius of curvature (to reduce corona discharge). Split conductors are mostly used for extra-high voltage transmission. Overhead earth wires (also called lightning wires) are arranged above the power transmission conductors and used for protecting the lines from lightning strikes. Two overhead ground wires are typically used for important power transmission lines. The insulator string is formed by serially connecting single suspension (or rod) insulators and needs to meet the requirements of insulation strength and mechanical strength. The number of insulators in each string is determined by the transmission voltage class.
The existing arc current detection device for the plateau power distribution overhead line cannot enable the device of the same size to be fixed on overhead lines of two or more sizes, so that the practical effect of the device is poor, the device is not beneficial to users to detect overhead lines of other sizes, and the user cannot be enabled to change the fitting degree of the detector and the overhead lines, the user is not convenient enough in the using process, and the using effect of the user is easily influenced.
Disclosure of Invention
The invention aims to provide an arc current detection device for a plateau power distribution overhead line, which aims to solve the problems that the background technology cannot enable devices with the same size to be fixed on overhead lines with two or more sizes and cannot enable a user to change the fitting degree of a detector and the overhead lines.
The invention provides an arc current detection device for a plateau power distribution overhead line, which comprises: the device comprises a shell, a fixing mechanism, a clamping mechanism and a detector; the fixing mechanism penetrates through the shell, and the clamping mechanism is connected with the shell; the detector is disposed on the clamping mechanism.
Further, the housing includes: the hinge assembly comprises an upper shell and a lower shell, wherein one sides of the upper shell and the lower shell are connected through a hinge shaft, and the other sides of the upper shell and the lower shell are connected through a locking structure; the overhead line transversely passes through the space between the upper shell and the lower shell.
Further, the cross sections of the upper shell and the lower shell are both trapezoidal.
Further, the locking structure includes: a buckle and a fixing pin; one end of the buckle is fixed on the upper shell through a shaft, and the other end of the buckle is a movable end; the movable end of the buckle is in adaptive connection with the fixing pin; the fixing pin is disposed on the lower case.
Further, the buckle is provided with two and the symmetry sets up on the upper housing, also set up two on the casing down suitably the fixed pin.
Further, the fixing mechanism includes: the screw rod, the limiting block, the clamping block and the positioning strip; the threaded rods are symmetrically arranged at two ends of the upper shell and the lower shell in a penetrating manner respectively, and the threaded rods connected with the upper shell and the lower shell are arranged oppositely; the limiting block is arranged at the bottom of the threaded rod; the clamping blocks are connected with the limiting blocks, two groups of positioning strips are arranged, each group is provided with a plurality of positioning strips, and the two groups of positioning strips are symmetrically distributed on two sides of the limiting blocks; the positioning strips arranged on the upper shell and the positioning strips arranged on the lower shell are arranged in a crossed mode.
Further, the cross section of the clamping block is arc-shaped.
Further, the clamping mechanism includes: a compression spring and a force bearing block; the detector is characterized in that cavities are respectively preset at symmetrical positions in the middle of the upper shell and the lower shell, the compression spring is installed in the cavities, the stress block is arranged at the bottom of the compression spring, and the detector is connected with the stress block
Further, the clamping mechanism further comprises a manual adjusting structure, and the manual adjusting structure is connected with the force bearing block and extends out of the shell.
Further, the manual adjustment structure includes: the rocker comprises a rocker, a bearing, a bolt, a connecting rod and a telescopic sleeve rod; the warped plate is connected with the stress block and extends out of the shell, and the middle of the warped plate is movably connected with the bearing; the bolt is arranged on the side face of the rocker, and the connecting rod is connected with the bolt and rotates by taking the bolt as a shaft; the connecting rod connected with the upper shell is connected with the connecting rod on the lower shell through the telescopic sleeve rod.
Compared with the prior art, the invention has the beneficial effects that: by arranging the fixing mechanism, a user can manually extrude and fix the overhead line, and meanwhile, the fixing mechanism can be adjusted according to the size of the overhead line, so that the fixing mechanism can be suitable for the overhead line with any size; through setting up clamping mechanism, can drive the detector laminating and carry out detection achievement in the periphery of overhead line to it, convenience of customers adjusts the interval of two detectors, improves user's result of use.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an arc current detection device for a plateau power distribution overhead line according to an embodiment of the present invention;
FIG. 2 is a schematic side sectional view of an arc current detection device for a plateau power distribution overhead line according to an embodiment of the present invention;
FIG. 3 is a schematic side view, schematic cross-sectional side view of a securing mechanism according to an embodiment of the present invention;
fig. 4 is a schematic side perspective view of a fixing mechanism according to an embodiment of the invention.
Description of reference numerals:
1: a housing; 2: an upper housing; 3: a hinge shaft; 4: buckling; 5: a fixing pin; 6: a threaded rod; 7: a seesaw; 8: a bolt; 9: a connecting rod; 10: a telescopic loop bar; 11: a bearing; 12: a stress block; 13: a compression spring; 14: a detector; 15: a limiting block; 16: a clamping block; 17: a positioning bar; 18: a lower housing.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the present invention provides an arc current detection apparatus for a plateau power distribution overhead line, including: housing 1, securing mechanism, clamping mechanism and detector 14. The housing 1 includes: the upper shell 2 and the lower shell 18, one side of the upper shell 2 and one side of the lower shell 18 are connected through the hinge shaft 3, and the other side of the upper shell 2 and the other side of the lower shell are connected through the locking structure. The overhead wire passes transversely between the upper casing 2 and the lower casing 18. The upper case 2 and the lower case 18 are each trapezoidal in cross section. The fixing mechanism is arranged on the shell 1 in a penetrating mode, the clamping mechanism is connected with the shell 1, and the detector 14 is arranged on the clamping mechanism.
In a more preferred embodiment, the locking structure comprises: a buckle 4 and a fixing pin 5. One end of the buckle 4 is fixed on the upper shell 2 through a shaft, and the other end is a movable end. The movable end of the buckle 4 is connected with the fixing pin 5 in a matching way, and the fixing pin 5 is arranged on the lower shell 18. The expansion end of buckle 4 can pivot, and the user folds back with last casing 2 and lower casing 18 around hinge shaft 3, rotates the expansion end of buckle 4 to towards fixed pin 5. The inner diameter of the movable end of the buckle 4 is matched with the outer diameter of the fixing pin 5, so that the buckle 4 can be connected with the fixing pin 5, and the effect of fixing the upper shell 2 and the lower shell 18 is achieved.
The buckle 4 is preferably provided with two and symmetrically arranged on the upper casing 2, and the lower casing 18 is also provided with two fixing pins 5 correspondingly, so as to achieve a more reliable fixing effect. And a plurality of groups of buckles 4 and fixing pins 5 can be arranged according to the actual requirement of overhead lines or detection.
In a more preferred embodiment, the fixing mechanism comprises: threaded rod 6, stopper 15, clamp splice 16 and location strip 17. Threaded rods 6 are symmetrically arranged at two ends of the upper shell 2 and the lower shell 18 in a penetrating mode respectively, and the threaded rods 6 are connected with the shell 1 through threads. The threaded rod 6 connected with the upper shell 2 and the threaded rod 6 connected with the lower shell 18 are oppositely arranged, the limiting block 15 is arranged at the bottom of the threaded rod 6, the clamping blocks 16 are connected with the limiting block 15, in order to be more fit with the shape of the overhead line, the cross sections of the clamping blocks 16 are arc-shaped, namely, the gap between the two clamping blocks 16 is circular or oval, and the overhead line is convenient to fix. The location strip 17 is provided with two sets ofly, and every group all has a plurality of, and two sets of location strip 17 symmetric distribution are in the both sides of stopper 15. The positioning bar 17 provided on the upper case 2 is arranged to intersect with the positioning bar 17 provided on the lower case 18. After the two corresponding threaded rods 6 rotate simultaneously, the distance between the two clamping blocks 16 can be reduced until the positioning strips 17 are crossed and meshed. The clamp splice 16 and the location strip 17 can extrude the overhead line fixedly to indirectly be fixed in the overhead line with casing 1 on, can change the interval of clamp splice 16 simultaneously according to the size of overhead line, make it can be applicable to the overhead line of optional size (the diameter of overhead line is not more than the biggest interval of two clamp splices 16 in the same group), with this practical function that improves casing 1.
In a more preferred embodiment, the clamping mechanism comprises: a compression spring 13, a force-bearing block 12 and a manual adjustment structure. Cavities are respectively preset at symmetrical positions in the middle of the upper shell 2 and the lower shell 18, a compression spring 13 is installed in the cavities, a stress block 12 is arranged at the bottom of the compression spring 13, and a detector 14 is connected with the stress block 12. The manual adjustment structure is connected with the force-bearing block 12 and extends out of the housing 1.
In a more preferred embodiment, the manual adjustment structure comprises: a rocker 7, a bearing 11, a bolt 8, a connecting rod 9 and a telescopic sleeve rod 10. The rocker 7 is connected with the stress block 12 and extends out of the shell 1, and the middle of the rocker 7 is movably connected with the bearing 11. The side of the rocker 7 is provided with a bolt 8, and a connecting rod 9 is connected with the bolt 8 and rotates by taking the bolt 8 as an axis. The connecting rod 9 connected with the upper shell 2 is connected with the connecting rod 9 on the lower shell 18 through a telescopic sleeve rod 10. A user applies downward acting force to the front face of the rocker 7 to enable the rocker 7 to rotate by taking the bearing 11 as a circle center, so that the stress block 12 can be deflected upwards and drive the detector 14 to move upwards together, the detector 14 cannot be in contact with an overhead line at the moment, the detection work cannot be continued, meanwhile, the user can conveniently detach other structures (such as the buckle 4, the fixing pin 5, the clamping block 16 and the positioning strip 17) and then detach the shell 1 from the overhead line, after the shell 1 is fixed on the overhead line, due to the fact that the bolt 8 is arranged on the right side of the front face of the rocker 7, the connecting rod 9 is arranged on the periphery of the bolt 8, meanwhile, the connecting rod 9 can rotate by taking the bolt 8 as an axis, the connecting rod 9 cannot be influenced by angle change of the manual rocker 7, and two connecting rods 9 are connected through the telescopic sleeve rod 10 on the basis, make two wanes 7 also can indirectly obtain connecting, and can let the user according to the laminating degree of detector 14 with the overhead line, manual rotate flexible loop bar 10 and change the holistic length of flexible loop bar 10, indirectly change the interval of two detectors 14, the whole length of flexible loop bar 10 is shorter promptly, the interval of two detectors 14 is big more, and the whole length of flexible loop bar 10 is longer, the interval of two detectors 14 is then smaller, make the user more convenient when using. Furthermore, telescopic bar 10 can be detached from rocker 7 together with connecting rod 9 after the user has taken bolt 8 out of rocker 7, so that two rockers 7 cannot be connected, so that the user can perform other operations on housing 1 at this time.
The working principle is as follows: when a user needs to use the shell 1 to detect the arc current of the overhead line, the upper shell 2 and the lower shell 18 can be turned over through the hinge shaft 3 manually by the user, the overhead line passes through the middle of the shell 1, then the upper shell 2 and the lower shell 18 are folded, and the buckle 4 is clamped on the fixing pin 5, so that the upper shell 2 and the lower shell 18 are locked and fixed. On this basis the user is according to the size of overhead line, the manual interval that changes two clamp blocks 16 of twisting threaded rod 6, make clamp block 16 and location strip 17 can extrude fixedly to the overhead line, and two sets of fixed establishment through both sides, with the stable periphery that is fixed in the overhead line of casing 1, then the elastic action through compression spring 13, drive two detectors 14 and hug closely and detect the overhead line in the periphery of overhead line, the user is outside in order to change the mode of flexible loop bar 10 length at casing 1 simultaneously, indirectly change two detectors 14' interval, make the user more convenient when using.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111169522.0A CN113721067A (en) | 2021-10-08 | 2021-10-08 | Arc current detection device for plateau power distribution overhead line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111169522.0A CN113721067A (en) | 2021-10-08 | 2021-10-08 | Arc current detection device for plateau power distribution overhead line |
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| CN113721067A true CN113721067A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111169522.0A Pending CN113721067A (en) | 2021-10-08 | 2021-10-08 | Arc current detection device for plateau power distribution overhead line |
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| CN102645946A (en) * | 2011-02-22 | 2012-08-22 | 施耐德电器工业公司 | Detector and device for configuration of the detector |
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| US20160313374A1 (en) * | 2015-04-24 | 2016-10-27 | Sumida Corporation | Electric current detector |
| CN106950467A (en) * | 2017-03-06 | 2017-07-14 | 温州电力建设有限公司 | A kind of cable insulation situation on-line monitoring device |
| CN109638806A (en) * | 2019-01-21 | 2019-04-16 | 深圳供电局有限公司 | Direct current distribution system |
| CN216449641U (en) * | 2021-10-08 | 2022-05-06 | 国网西藏电力有限公司 | Arc current detection device for plateau power distribution overhead line |
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2021
- 2021-10-08 CN CN202111169522.0A patent/CN113721067A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2317881A1 (en) * | 2000-09-28 | 2002-03-08 | David Curtis Turner | Residual current detector with fail safe lockout device |
| CN101149402A (en) * | 2006-09-20 | 2008-03-26 | 株式会社东海理化电机制作所 | Electric current detector |
| CN102645946A (en) * | 2011-02-22 | 2012-08-22 | 施耐德电器工业公司 | Detector and device for configuration of the detector |
| US20160313374A1 (en) * | 2015-04-24 | 2016-10-27 | Sumida Corporation | Electric current detector |
| CN105375636A (en) * | 2015-12-05 | 2016-03-02 | 国网浙江省电力公司丽水供电公司 | Low-voltage distribution network zero-wire state detection apparatus and early warning method |
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