CN210108337U - Cable state monitoring device - Google Patents
Cable state monitoring device Download PDFInfo
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- CN210108337U CN210108337U CN201921461815.4U CN201921461815U CN210108337U CN 210108337 U CN210108337 U CN 210108337U CN 201921461815 U CN201921461815 U CN 201921461815U CN 210108337 U CN210108337 U CN 210108337U
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- vertical rod
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 9
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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Abstract
A cable state monitoring device is simple to monitor and sensitive in response and belongs to the technical field of secondary equipment of transformer substations. The utility model comprises a detection device and a controller, wherein the detection device comprises a movable plate, a horizontal measurer, a balancing weight, a vertical rod, a first rotating bearing, a horizontal rod, a second rotating bearing, a flange ring and a shell; root and secondary cable head end junction installation detection device at primary equipment, secondary cable subsides in-process flange ring pulling horizon bar waiting to detect, the horizon bar drives the vertical rod and makes loose plate take place the slope, the level measurement ware is when the horizontality, the mercury post is in the scale mark, when the level measurement ware slope, the mercury post is towards the incline direction motion, and then the contact that switches on of the side of intercommunication casing, make it produce the pulse, this pulse sends the controller, this pulse is received to the controller, confirm that secondary cable takes place to subside.
Description
Technical Field
The utility model relates to a device that monitoring substation's secondary cable subsides belongs to transformer substation's secondary equipment technical field.
Background
When the secondary cable of the primary equipment connected with the transformer substation sinks, the influence of the gravity of the cable and the sinking of the equipment foundation can generate great breaking force, the cable structure is damaged, even the cable is broken, the secondary loop system is damaged, and the insulation reliability is reduced. Meanwhile, the secondary cable can cause continuous heating in the sinking process, so that secondary loop grounding or short circuit and open circuit accidents occur, and simultaneously, inaccurate alternating current acquisition information of the protection device can be caused, the correct action of the protection device is influenced, primary equipment can be burnt or even damaged seriously, the accident range is enlarged, the safe operation of a power grid is influenced, and huge economic losses are caused to social production and life. The existing secondary cable settlement is generally observed by operation and maintenance personnel or reflected by indirect signals, the settlement amplitude is small and the problem cannot be found in time in the mode of observation by the operation and maintenance personnel, and the problem that the process is complicated and the judgment time is long is caused in the mode of reflection by the indirect signals.
Disclosure of Invention
Not enough to the aforesaid, the utility model provides a monitoring is simple, the sensitive cable state monitoring devices of reaction.
The utility model discloses a cable state monitoring device, including detection device and controller, detection device includes loose plate 2, level measurement ware 3, balancing weight 5, vertical rod 6, first rotating bearing 7, horizontal rod 8, second rotating bearing 12, flange ring 9 and shell 10;
the upper top surface of the shell 10 is fixedly connected with the bottom of the primary equipment, and the movable plate 2 is hung in the shell 10 and is horizontally placed; the secondary cable to be tested penetrates through a top plate of the shell 10, the center of the movable plate 2 and a bottom plate of the shell 10, a flange ring 9 is fixedly connected with the secondary cable to be tested on the lower side of the bottom plate of the shell 10, the side face of the flange ring 9 is fixedly connected with one end of a pull rod, one end of a vertical rod 6 penetrates through the bottom plate of the shell 10 and is fixedly connected with the lower bottom face of the movable plate 2, and the connection position is located on one side of the center of the movable plate 2;
the axis of the vertical rod 6 is vertical to the plane of the movable plate 2, the other end of the vertical rod 6 is connected with one end of the horizontal rod 8 through a first rotating bearing 7, and the other end of the horizontal rod 8 is connected with the side surface of the flange ring 9 through a second rotating bearing 12; when the flap 2 remains horizontal, the axis of the vertical rod 6 is perpendicular to the axis of the horizontal rod 8;
the horizontal measurer 3 and the balancing weight 5 are distributed on the upper surface of the movable plate 2, and the balancing weight 5 enables the lifted movable plate 2 to be horizontal;
the level measurer 3 comprises a housing 31 and a mercury column 32;
the mercury column 32 is arranged in the shell 31, the shell 31 is transparent, the outer surface of the shell 31 is provided with scale marks, when the mercury column 32 is in the scale marks, the horizontal measurer 3 is in a horizontal state, the side surface of the shell 31 is provided with the conducting contact pair 34, when the secondary cable is settled, the mercury column 32 conducts the conducting contact pair 34 on the side surface of the shell 31, and the conducting contact pair 34 is connected with the controller.
The beneficial effects of the invention, the invention is directed at solving the secondary cable settlement problem of transformer substation, through installing at the root of primary equipment and the junction of secondary cable head end the utility model discloses, pulling the pull rod in the secondary cable settlement process that awaits measuring, the pull rod makes the loose plate take place the slope, and then drives the slope of the level measurement ware 3 on the loose plate, the utility model discloses a level measurement ware 3 is when the horizontality, and mercury column 32 is in the scale mark, and when level measurement ware 3 slopes, level measurement ware 3 mercury column 32 moves towards the incline direction, and then communicates the conduction contact of the side of casing 31, makes it produce the pulse, and this pulse is sent to the controller, and the controller receives this pulse, judges whether secondary cable takes place to subside, the utility model discloses a mode that level measurement ware 3 adopted mercury column 32 to conduct the contact pair, need not to encapsulate power module power supply. The utility model discloses the reaction is sensitive, measures accurately, has practiced thrift electric power system manpower and material resources, improves electric wire netting operation economic reliability.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a top view of the flapper of FIG. 1;
FIG. 3 is a schematic diagram of a level measuring device;
fig. 4 is a plan view of the horizontal measuring device of fig. 3.
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.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The utility model discloses a cable state monitoring device, as shown in fig. 1 to 4, the device comprises a detection device and a controller; the detection device of the embodiment comprises a flap 2, a level measurer 3, a balancing weight 5, a vertical rod 6, a first rotating bearing 7, a second rotating bearing 12, a horizontal rod 8, a flange ring 9 and a shell 10;
the detection device of the embodiment is arranged at the position where the bottom of the primary equipment platform is connected with the secondary cable, the displacement change amplitude caused by secondary cable settlement is large, and accurate measurement and accuracy improvement are facilitated, so that four corners of the upper top surface of the shell 10 of the embodiment are fixedly connected with the bottom of the primary equipment platform support through four bolts, and the movable plate 2 is hoisted in the shell 10 and horizontally arranged; the upper top surface and the lower bottom surface of the shell 10 and the geometric center of the movable plate 2 are perforated, a secondary cable to be measured penetrates through the perforated geometric center, the diameter of the secondary cable to be measured is smaller than that of the perforated geometric center, the secondary cable cannot damage an insulating skin in the sedimentation process, the movable plate 2 is horizontally arranged in the shell 10 and does not touch the shell 10, the shell 10 cannot generate damage when the movable plate 2 inclines, a flange ring 9 is fixedly connected with the secondary cable to be measured on the lower side of a bottom plate of the shell 10, a vertical rod 6 is arranged at one half of the distance between the geometric center of the lower surface of the movable plate 2 and the right boundary, one end of the vertical rod 6 penetrates through the bottom plate of the shell 10 and is fixedly connected with the lower bottom surface of the movable plate 2, and the connection position is arranged on one side of the center of the;
the axis of the vertical rod 6 is vertical to the plane of the movable plate 2, the other end of the vertical rod 6 is connected with one end of the horizontal rod 8 through a first rotating bearing 7, and the other end of the horizontal rod 8 is connected with the side surface of the flange ring 9 through a second rotating bearing 12; when the flap 2 remains horizontal, the axis of the vertical rod 6 is perpendicular to the axis of the horizontal rod 8;
the horizontal measurer 3 and the balancing weight 5 are distributed on the upper surface of the movable plate 2, and the balancing weight 5 enables the lifted movable plate 2 to be horizontal;
the level measurer 3 comprises a housing 31 and a mercury column 32;
the mercury column 32 is arranged in the shell 31, the shell 31 is transparent, the outer surface of the shell 31 is provided with scale marks, when the mercury column 32 is in the scale marks, the horizontal measurer 3 is in a horizontal state, the side surface of the shell 31 is provided with the conducting contact pair 34, when the secondary cable is settled, the mercury column 32 conducts the conducting contact pair 34 on the side surface of the shell 31, and the conducting contact pair 34 is connected with the controller.
The horizontal measurer 3 is arranged at one half of the distance between the geometric center of the upper surface of the movable plate 2 and the left boundary, and the balancing weight 5 is arranged at the geometric symmetric position of the horizontal measurer, so that the movable plate 2 is ensured to be kept in a horizontal state when the secondary cable is not settled. At the secondary cable that awaits measuring settlement in-process pull vertical rod 6 and horizon bar 8, vertical rod 6 makes loose plate 2 take place the slope, and then drive the 3 slopes of horizontal measurement ware on the loose plate 2, the utility model discloses a horizontal measurement ware 3 is when the horizontality, mercury column 32 is in the scale mark, when the 3 slopes of horizontal measurement ware, horizontal measurement ware 3's mercury column 32 is towards the incline direction motion, and then the contact that switches on of the side of intercommunication casing 31, makes it produce the pulse, this pulse is sent to the controller, this pulse is received to the controller, judges whether secondary cable takes place to subside, this embodiment's horizontal measurement ware 3 adopts mercury column 32 to switch on the mode of contact pair, need not to encapsulate power module power supply.
The controller of this embodiment is installed on ground, and the discrete pulse that the controller received is convenient for judge whether secondary cable subsides. The controller of this embodiment can also connect a plurality of detection device's level measurement ware 3 simultaneously, is convenient for monitor whether many secondary cables take place to subside.
In the embodiment, when the secondary cable is settled, the vertical rod 6 and the horizontal rod 8 driven by the flange ring 9 destroy the balance of the movable plate 2, so that the balance of the horizontal measurer 3 is destroyed, and the conducting contact is conducted;
the rotating bearing 7 and the second rotating bearing 12 enable the horizontal rod 8 to have a certain degree of freedom in an included angle between the horizontal direction and the vertical direction in the cable sinking process, the vertical rod 6 penetrates through the bottom plate of the shell 10, and the hole distance passing through the lower portion of the bottom plate of the shell 10 is larger than the diameter of the vertical rod, so that the measuring accuracy of the device is guaranteed; the horizontal rods are connected with the flange ring 9 by metal welding. In this embodiment, the secondary cable drives horizontal rod 8 when subsiding, and horizontal rod 8 passes through rolling bearing 7 pulling vertical rod 6 and moves down, and then drives loose plate 2 and take place to incline, destroys the horizontality of loose plate 2, and the contact pair that switches on of level measurement ware 3 switches on.
Because loose plate 2 will guarantee the level when not subsiding, only when the secondary cable subsides, horizontal pole and vertical pole drive loose plate 2 slope, so loose plate 2 need hoist and mount in casing 10, the mode of hoist and mount has a lot, and loose plate 2 level and activity are guaranteed to this embodiment, and in the preferred embodiment, loose plate 2 of this embodiment is through scalable bolt hoist and mount in casing 10, specifically is:
four points are symmetrically arranged around the geometric center hole of the movable plate 2, four telescopic bolts are respectively connected with the upper top surface of the shell 10 in a rotating mode through the four points, and the telescopic bolts enable the vertical displacement generated by the movable plate 2 to have a certain margin.
Since the primary equipment needs to be connected with secondary cables of various models, in order to increase the adaptability of the embodiment, in the preferred embodiment, the diameter of the inner ring of the flange ring 9 is adjustable, and the flange ring is applicable to cables of different models.
Claims (3)
1. A cable state monitoring device is characterized by comprising a detection device and a controller, wherein the detection device comprises a movable plate (2), a horizontal measurer (3), a balancing weight (5), a vertical rod (6), a first rotating bearing (7), a horizontal rod (8), a second rotating bearing (12), a flange ring (9) and a shell (10);
the upper top surface of the shell (10) is fixedly connected with the bottom of the primary equipment, and the movable plate (2) is hung in the shell (10) and is horizontally placed; the secondary cable to be tested penetrates through a top plate of the shell (10), the center of the movable plate (2) and a bottom plate of the shell (10), a flange ring (9) is fixedly connected with the secondary cable to be tested on the lower side of the bottom plate of the shell (10), one end of a vertical rod (6) penetrates through the bottom plate of the shell (10) and is fixedly connected with the lower bottom surface of the movable plate (2), and the connecting position is arranged on one side of the center of the movable plate (2);
the axis of the vertical rod (6) is vertical to the plane of the movable plate (2), the other end of the vertical rod (6) is connected with one end of the horizontal rod (8) through a first rotating bearing (7), and the other end of the horizontal rod (8) is connected with the side surface of the flange ring (9) through a second rotating bearing (12); when the movable plate (2) is kept in a horizontal state, the axis of the vertical rod (6) is vertical to the axis of the horizontal rod (8);
the horizontal measurer (3) and the balancing weight (5) are distributed on the upper surface of the movable plate (2), and the balancing weight (5) enables the lifted movable plate (2) to be horizontal;
the level measurer (3) comprises a shell (31) and a mercury column (32);
the mercury column (32) is arranged in the shell (31), the shell (31) is transparent, scale marks are arranged on the outer surface of the shell (31), when the mercury column (32) is arranged in the scale marks, the horizontal measurer (3) is in a horizontal state, the side face of the shell (31) is provided with the conducting contact pair (34), when the secondary cable is settled, the mercury column (32) conducts the conducting contact pair (34) on the side face of the shell (31), and the conducting contact pair (34) is connected with the controller.
2. The cable condition monitoring device according to claim 1, wherein the flap (2) is suspended in the housing (10) by means of retractable bolts.
3. A cable condition monitoring device according to claim 2, characterized in that the inner ring diameter of the flange ring (9) is adjustable and can be adapted to different types of cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461815.4U CN210108337U (en) | 2019-09-04 | 2019-09-04 | Cable state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461815.4U CN210108337U (en) | 2019-09-04 | 2019-09-04 | Cable state monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210108337U true CN210108337U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921461815.4U Active CN210108337U (en) | 2019-09-04 | 2019-09-04 | Cable state monitoring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210108337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426014A (en) * | 2019-09-04 | 2019-11-08 | 国网黑龙江省电力有限公司哈尔滨供电公司 | The on-line monitoring method of substation secondary cable sedimentation |
| CN111707188A (en) * | 2020-06-10 | 2020-09-25 | 湖北亿鹏展精密机械有限公司 | Laser-based on-machine measuring device and measuring method |
-
2019
- 2019-09-04 CN CN201921461815.4U patent/CN210108337U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426014A (en) * | 2019-09-04 | 2019-11-08 | 国网黑龙江省电力有限公司哈尔滨供电公司 | The on-line monitoring method of substation secondary cable sedimentation |
| CN111707188A (en) * | 2020-06-10 | 2020-09-25 | 湖北亿鹏展精密机械有限公司 | Laser-based on-machine measuring device and measuring method |
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