CN112254855A - Transmission line ground pressure detection device - Google Patents
Transmission line ground pressure detection device Download PDFInfo
- Publication number
- CN112254855A CN112254855A CN202011160519.8A CN202011160519A CN112254855A CN 112254855 A CN112254855 A CN 112254855A CN 202011160519 A CN202011160519 A CN 202011160519A CN 112254855 A CN112254855 A CN 112254855A
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- Prior art keywords
- transmission line
- fixedly connected
- wall
- movable block
- groove
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a device for detecting the grounding pressure of a power transmission line, which relates to the field of power transmission lines and comprises a mounting seat, wherein a rectangular groove is formed in the top of the mounting seat, a pressure sensor is fixedly connected to the bottom of the inner wall of the rectangular groove, a movable block is slidably sleeved in an inner cavity of the rectangular groove above the pressure sensor, a bearing plate is fixedly connected to the top of the movable block, accommodating grooves are symmetrically formed in two sides of the movable block, a placing cylinder is arranged in the inner cavity of each accommodating groove, a threaded rod is movably sleeved in the inner cavity of the placing cylinder, a locking piece is fixedly connected to one side of the placing cylinder and one side of the movable block, and the. The invention changes the relative distance between the threaded rod and the placing cylinder by setting the placing cylinder and the threaded rod and rotating the locking piece, thereby changing the distance between two adjacent bearing plates, enabling the detection length of the pressure detection device to be adjustable, and improving the applicability and the measurement accuracy of the pressure detection device.
Description
Technical Field
The invention relates to the field of power transmission lines, in particular to a power transmission line grounding pressure detection device.
Background
The transmission line is realized by using a transformer to boost the electric energy generated by the generator and then connecting the electric energy to the transmission line through control equipment such as a breaker and the like. The structure form, transmission line divide into overhead transmission line and cable run.
In order to guarantee normal use of the power transmission line after being grounded, a pressure detection device is generally used for carrying out pressure detection on the environment where the power transmission line is located in the construction process, the power transmission line can be ensured to be normally used in the future, the phenomenon that the power transmission line is damaged and cannot normally work due to overlarge pressure is avoided, most of the existing pressure detection equipment is single-point detection, the existing pressure detection equipment cannot be well applicable to the power transmission line with longer length, and the phenomenon that measurement cannot be carried out or the measurement error is large easily occurs.
Disclosure of Invention
The invention aims to provide a device for detecting the grounding pressure of a power transmission line, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a transmission line ground pressure detection device, includes the mount pad, the rectangular channel has been seted up at the top of mount pad, the bottom fixedly connected with pressure sensor of rectangular channel inner wall, its top that is located pressure sensor of inner chamber of rectangular channel slides and has cup jointed the movable block, the top fixedly connected with bearing board of movable block, the holding tank has been seted up to movable block bilateral symmetry, the inner chamber of holding tank is equipped with places a section of thick bamboo, the threaded rod has been cup jointed in the inner chamber activity of placing a section of thick bamboo, place one side of a section of thick bamboo and be located one side fixedly connected with retaining member of movable block, the inner chamber of retaining member and the outer wall threaded connection of.
Preferably, the outer wall of the placing cylinder is rotatably connected with a bearing sleeve, and the outer wall of the bearing sleeve is fixedly connected with the inner wall of the accommodating groove.
Preferably, the top of the mounting seat is symmetrically provided with movable grooves at two sides of the rectangular groove, and the inner cavity of each movable groove is movably connected with the outer wall of the locking part.
Preferably, the top of the bearing plate is fixedly connected with a rubber pad, a rectangular through hole is formed in the top of the rubber pad, a placing groove is formed in the top of the bearing plate, and the placing groove corresponds to the rectangular through hole in position.
Preferably, the inner cavity of the placing groove is provided with a ground fault sensor, and the bottom of the ground fault sensor is fixedly connected with the top of the inner wall of the placing groove.
Preferably, the limiting grooves are symmetrically formed in the two sides of the inner wall of the rectangular groove and below the movable groove, the limiting blocks are sleeved in the inner cavities of the limiting grooves in a sliding mode, and one side of each limiting block is fixedly connected with one side of each movable block.
Preferably, the pressure sensor and the ground fault sensor are electrically connected with an external power supply through an external switch respectively.
The invention has the technical effects and advantages that:
(1) according to the invention, the arrangement of the placing barrel and the threaded rod is utilized, and the locking piece is rotated, so that the relative distance between the threaded rod and the placing barrel is changed, the distance between two adjacent bearing plates is changed, the detection length of the pressure detection device is adjustable, and the applicability and the measurement accuracy of the pressure detection device are improved;
(2) the invention utilizes the arrangement of the limiting groove and the limiting block, and limits the movement of the limiting block through the limiting groove, thereby limiting the maximum movement distance of the movable block and preventing the pressure sensor from being damaged by excessive movement of the movable block.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a front sectional structural view of the present invention.
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention.
In the figure: 1. a mounting seat; 2. a pressure sensor; 3. a movable block; 4. a support plate; 5. placing the cylinder; 6. a threaded rod; 7. a locking member; 8. a bearing housing; 9. a movable groove; 10. a rubber pad; 11. a ground fault sensor; 12. a limiting groove; 13. and a limiting block.
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.
The invention provides a power transmission line grounding pressure detection device as shown in figures 1-3, which comprises a mounting seat 1, wherein the pressure detection device is formed by connecting a plurality of mounting seats 1, the top of each mounting seat 1 is provided with a rectangular groove, the bottom of the inner wall of the rectangular groove is fixedly connected with a pressure sensor 2, the model of the pressure sensor 2 is SBT674-10N, the pressure sensor 2 is electrically connected with an external power supply through an externally arranged controller, a movable block 3 is sleeved on the upper part of the pressure sensor 2 in a sliding manner in the inner cavity of the rectangular groove, a bearing plate 4 is fixedly connected with the top of the movable block 3, the bearing plate 4 is used for contacting with a power transmission line, accommodating grooves are symmetrically formed in two sides of the movable block 3, accommodating cylinders 5 are arranged in the inner cavities of the accommodating grooves, the accommodating cylinders 5 are used for accommodating threaded rods 6, the outer walls of the accommodating cylinders 5 are rotatably connected with bearing sleeves, the outer wall of the bearing sleeve 8 is fixedly connected with the inner wall of the containing groove, a threaded rod 6 is movably sleeved in an inner cavity of the containing barrel 5, a locking part 7 is fixedly connected to one side of the containing barrel 5 and positioned on one side of the movable block 3, the locking part 7 can be rotated to drive the threaded rod 6 in the containing barrel 5 to move, so that the relative positions of the threaded rod 6 and the containing barrel 5 are changed, so that the relative distance between the two bearing plates 4 is changed, the inner cavity of the locking part 7 is in threaded connection with the outer wall of the threaded rod 6, movable grooves 9 are symmetrically formed in the top of the mounting seat 1 and positioned on the two sides of the rectangular groove, so that the locking part 7 and the threaded rod 6 can conveniently move along with the movable block 3, the inner cavity of the movable groove 9 is movably connected with the outer wall of the locking part 7, limiting grooves 12 are symmetrically formed in the two sides of the inner wall of the rectangular groove and positioned below the movable grooves 9, limiting blocks 13, the pressure sensor 2 is prevented from being damaged due to the fact that the movable block 3 excessively extrudes the pressure sensor 2 when moving, and one side of the limiting block 13 is fixedly connected with one side of the movable block 3;
the top fixedly connected with rubber pad 10 of bearing board 4, rubber pad 10 plays the guard action to transmission line, and the rectangle through-hole has been seted up at the top of rubber pad 10, and the standing groove has been seted up at the top of bearing board 4, and the position of standing groove and rectangle through-hole corresponds, and the inner chamber of standing groove is equipped with ground fault sensor 11, and ground fault sensor 11's model is JX-1000, and ground fault sensor 11 is used for carrying out intelligent perception and trend analysis to transmission line ground state, ground fault sensor 11's bottom and the top fixed connection of standing groove inner wall.
The working principle of the invention is as follows:
when the intelligent sensing and trend analysis device works, a steering force in one direction is applied to the locking piece 7, so that the locking piece 7 drives the threaded rod 6 to move, the relative positions of the threaded rod 6 and the placing cylinder 5 are changed, the distance between two adjacent bearing plates 4 is increased by the threaded rod 6, then the power transmission line is contacted with the top of the bearing plates 4, external switches of the pressure sensor 2 and the grounding fault sensor 11 are opened, the pressure sensor 2 measures the grounding pressure of the power transmission line, and the grounding fault sensor 11 conducts intelligent sensing and trend analysis on the grounding state of the power transmission line.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
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 (7)
1. The utility model provides a transmission line ground pressure detection device, includes mount pad (1), its characterized in that, the rectangular channel has been seted up at the top of mount pad (1), the bottom fixedly connected with pressure sensor (2) of rectangular channel inner wall, its top that is located pressure sensor (2) of inner chamber of rectangular channel slides and has cup jointed movable block (3), the top fixedly connected with bearing board (4) of movable block (3), the holding tank has been seted up to movable block (3) bilateral symmetry, the inner chamber of holding tank is equipped with places a section of thick bamboo (5), threaded rod (6) have been cup jointed in the inner chamber activity of placing a section of thick bamboo (5), place one side of a section of thick bamboo (5) and be located one side fixedly connected with retaining member (7) of movable block (3), the outer wall threaded connection of the inner chamber and threaded rod (6) of retaining member (7).
2. The device for detecting the grounding pressure of the power transmission line according to claim 1, wherein a bearing sleeve (8) is rotatably connected to the outer wall of the placing cylinder (5), and the outer wall of the bearing sleeve (8) is fixedly connected with the inner wall of the accommodating groove.
3. The device for detecting the grounding pressure of the power transmission line according to claim 1, wherein the top of the mounting seat (1) is symmetrically provided with movable grooves (9) at two sides of the rectangular groove, and inner cavities of the movable grooves (9) are movably connected with the outer wall of the locking member (7).
4. The device for detecting the grounding pressure of the power transmission line according to claim 1, wherein a rubber pad (10) is fixedly connected to the top of the supporting plate (4), a rectangular through hole is formed in the top of the rubber pad (10), a placing groove is formed in the top of the supporting plate (4), and the placing groove corresponds to the rectangular through hole in position.
5. The grounding pressure detection device for the power transmission line according to claim 4, wherein the inner cavity of the placing groove is provided with a grounding fault sensor (11), and the bottom of the grounding fault sensor (11) is fixedly connected with the top of the inner wall of the placing groove.
6. The transmission line grounding pressure detection device according to claim 1, wherein limiting grooves (12) are symmetrically formed in two sides of the inner wall of the rectangular groove and below the movable groove (9), a limiting block (13) is slidably sleeved in an inner cavity of each limiting groove (12), and one side of each limiting block (13) is fixedly connected with one side of each movable block (3).
7. The device for detecting the grounding pressure of the power transmission line according to claim 1, wherein the pressure sensor (2) and the grounding fault sensor (11) are respectively electrically connected with an external power supply through an external switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011160519.8A CN112254855B (en) | 2020-10-27 | 2020-10-27 | Transmission line ground pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011160519.8A CN112254855B (en) | 2020-10-27 | 2020-10-27 | Transmission line ground pressure detection device |
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| CN112254855A true CN112254855A (en) | 2021-01-22 |
| CN112254855B CN112254855B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011160519.8A Active CN112254855B (en) | 2020-10-27 | 2020-10-27 | Transmission line ground pressure detection device |
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| JP2013118751A (en) * | 2011-12-02 | 2013-06-13 | Chugoku Electric Power Co Inc:The | Spacing distance determination device |
| CN204649893U (en) * | 2015-05-21 | 2015-09-16 | 国家电网公司 | Built on stilts fault detector stationary installation |
| CN109455464A (en) * | 2018-12-25 | 2019-03-12 | 承德石油高等专科学校 | A kind of long-distance transportation machine belt detection device for operation trouble and method |
| CN209374702U (en) * | 2019-01-04 | 2019-09-10 | 广东电网有限责任公司 | Ground wire operating lever component |
| CN210092875U (en) * | 2019-08-27 | 2020-02-18 | 深圳现代技术有限公司 | Surge protector detection device |
| CN210779995U (en) * | 2019-08-27 | 2020-06-16 | 中移铁通有限公司江苏分公司 | Portable high-voltage transmission line early warning device |
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| CN111537838A (en) * | 2020-06-08 | 2020-08-14 | 中国石油大学(华东) | Flexible grounding mode power distribution network grounding fault direction algorithm |
| US20200313152A1 (en) * | 2018-05-11 | 2020-10-01 | The Regents Of The University Of Michigan | Detection of an Internal Short Circuit in a Battery |
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2020
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Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110080283A1 (en) * | 2006-05-19 | 2011-04-07 | Schweitzer Iii Edmund O | Fault detection using phase comparison |
| CN102280844A (en) * | 2010-06-10 | 2011-12-14 | 广州长川科技有限公司 | Power connection device with pull detection function |
| JP2013118751A (en) * | 2011-12-02 | 2013-06-13 | Chugoku Electric Power Co Inc:The | Spacing distance determination device |
| CN204649893U (en) * | 2015-05-21 | 2015-09-16 | 国家电网公司 | Built on stilts fault detector stationary installation |
| US20200313152A1 (en) * | 2018-05-11 | 2020-10-01 | The Regents Of The University Of Michigan | Detection of an Internal Short Circuit in a Battery |
| CN109455464A (en) * | 2018-12-25 | 2019-03-12 | 承德石油高等专科学校 | A kind of long-distance transportation machine belt detection device for operation trouble and method |
| CN209374702U (en) * | 2019-01-04 | 2019-09-10 | 广东电网有限责任公司 | Ground wire operating lever component |
| CN210092875U (en) * | 2019-08-27 | 2020-02-18 | 深圳现代技术有限公司 | Surge protector detection device |
| CN210779995U (en) * | 2019-08-27 | 2020-06-16 | 中移铁通有限公司江苏分公司 | Portable high-voltage transmission line early warning device |
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| CN112254855B (en) | 2022-09-06 |
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