CN210487870U - Tower grounding resistance measurement system - Google Patents

Abstract

The utility model is suitable for a ground resistance measures technical field, provides a shaft tower ground resistance measurement system, including measuring host computer, two earthing poles, a plurality of wire and mobile network terminal, the curb plate at both ends inwards caves in and forms the side chamber about the measuring host computer, both ends top damping pivot is connected with the end cover board about the measuring host computer. The utility model discloses the measuring host computer is small, with low costs, and mobile network terminal is measuring personnel's cell-phone end, can receive measured data and calculate, and data can be passed back to the backstage in real time, need not artifical manual record, because mobile network terminal is current equipment, therefore the system increases wireless function and need not to install network data module for the measuring host computer alone, reduce cost; in addition, the wire is stored and is measured on the take-up reel of host computer both sides, and the wire of being convenient for is stored.

Description

Tower grounding resistance measurement system

Technical Field

The utility model belongs to the technical field of ground resistance measures, especially, relate to a shaft tower ground resistance measurement system.

Background

The grounding protection of the overhead power line tower is one of the main means for protecting the power transmission line equipment from being damaged by lightning. At present, an electric power construction unit mainly evaluates whether a grounding protection system is reliable and effective by measuring the grounding resistance of a pole tower, so that the accurate measurement of the grounding resistance has important significance on the safety of power transmission equipment.

Tower ground resistance detects and adopts the ground resistance tester to measure at present, there is the display screen at the tester top, operation button and four binding post, specifically be two current pole binding post and two voltage pole binding post, connect line back measure shaft tower ground resistance as required, current ground resistance tester gathers and carries out computational analysis after the data, then show in the display screen, last operator carries out the character record, this process has following problem:

1. the tester needs a lead to be connected with the grounding electrode, the grounding electrode is generally far away, and if the lead is not well connected with the grounding electrode, a measurer needs to run back and forth between the tester and the grounding electrode, which is relatively laborious;

2. the tester has high cost, is internally provided with a computing module, is provided with a display screen and the like on the top panel, has large volume and is inconvenient to carry;

3. the tester does not have a data network connection function, general measurement personnel record data and then feed back the data after returning to a company, so that the data recording efficiency is influenced, and if a network data module is added on the tester, such as a 4GSIM card, the equipment cost is further increased;

4. the tester has poor waterproof effect, and because the ground resistance is measured in the field generally, if the weather is light rain or soon after rain, rain water can enter the wiring terminal, so that the service life of the tester is influenced;

5. the attached wire length of tester is longer, is not convenient for accomodate.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, an object of the present invention is to provide a tower ground resistance measurement system, which aims to solve the above problem.

The utility model adopts the following technical scheme:

the tower ground resistance measuring system comprises a measuring host, two ground electrodes and a plurality of wires, and further comprises a mobile network terminal, side plates at the left end and the right end of the measuring host are inwards recessed to form side cavities, damping rotating shafts at the tops of the left end and the right end of the measuring host are connected with end cover plates, a clamping seat is installed at the bottom in each side cavity, clamping pieces corresponding to the clamping seats are arranged at the tail ends of the end cover plates, a power module, a rechargeable battery and a measuring plate are arranged in the measuring host, a WIFI module is arranged on each measuring plate, the measuring host is connected with the mobile network terminal through the WIFI module, the rechargeable battery and the measuring plate are connected with the power module, two wiring sockets are fixed on each side plate of the measuring host, and one power socket and a power switch are also arranged on one side plate, four wiring sockets are connected to on the measuring plate, supply socket and switch are connected to power module, and every curb plate intermediate position outwards is fixed with the jackshaft, demountable installation has the take-up reel on the jackshaft, and the end of all wires all is connected with the plug, the plug is used for inserting to the wiring socket that corresponds the position on, and wherein two wire head ends correspond and connect one the earthing pole.

Furthermore, a handle is arranged at the top of the measuring host machine.

Furthermore, the jackshaft is the square column, and there is the round to keep off the ring square column root, the take-up reel includes a little cylinder, little cylinder axial is run through there is the square hole, little cylinder both ends respectively have a disc, the disc periphery has many side levers along radial extension, and two disc symmetry sets up.

Furthermore, there are upper cross arm and lower cross arm in the measurement host computer, wherein measure the board and be located upper cross arm, and power module, rechargeable battery are located lower cross arm.

The utility model has the advantages that:

1. the measurement host is connected with the mobile network terminal WIFI, and during testing, measurement personnel can see measurement data at the position of the grounding electrode through the mobile network terminal, so that the measurement is very convenient;

2. the measuring host does not comprise a display screen and a calculating module, the overall cost is reduced, the size can be further miniaturized, the mobile network terminal is a mobile phone end of a measuring person, the measuring data can be received and calculated, the data can be transmitted back to a background in real time, and manual recording is not needed;

3. the mobile network terminal is the existing equipment, so that the wireless function of the system is added without independently installing a network data module for the measurement host, and the cost is reduced;

4. the front surface of the measuring host is not provided with a wiring terminal, the whole outer part of the measuring host is of a closed structure, the measuring host is not afraid of light rain, weeds which are stained with rainwater cannot wet the measuring host, and the service life of the measuring host is ensured; the utility model changes the wiring terminal into the wiring socket, the socket is waterproof and is arranged in the side cavity in the end cover plate, after the end cover plate is opened and the wire plug is inserted, the end cover plate also has certain rain shielding effect, and is suitable for outdoor use;

5. the wire is accommodated on the take-up reel, so that the wire is convenient to accommodate.

Drawings

Fig. 1 is a schematic diagram of a tower ground resistance measurement system provided by an embodiment of the present invention;

FIG. 2 is a front view of the measurement master;

FIG. 3 is a left side view of the measurement host;

FIG. 4 is a right side view of the measurement host;

fig. 5 is a structural view of the intermediate shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

As shown in fig. 1-4, the tower ground resistance measurement system provided in this embodiment includes a measurement host 1, two ground electrodes 2, and a plurality of wires, and further includes a mobile network terminal 3, the side plates at the left and right ends of the measurement host 1 are recessed inward to form side cavities, the damping rotating shafts at the top of the left and right ends of the measurement host are connected to end cover plates 4, the bottom of the side cavities are provided with clamping seats 41, the tail end of the end cover plates 4 is provided with clamping members 42 corresponding to the clamping seats, a power module 11, a rechargeable battery 12 and a measurement plate 13 are arranged inside the measurement host 1, the measurement plate 13 is provided with a WIFI module, through the WIFI module, the measurement host 1 is connected to the mobile network terminal 3 in a WIFI manner, the rechargeable battery 12 and the measurement plate 13 are connected to the power module 11, two connection sockets 14 are fixed on the two side plates of the measurement host 1, the measuring device comprises a measuring plate 13, a power socket 15 and a power switch 16 are further arranged on one side plate, four wiring sockets 14 are connected to the measuring plate 13, the power socket 15 and the power switch 16 are connected to the power module 11, an intermediate shaft 17 is outwards fixed in the middle of each side plate, a take-up reel 5 is detachably mounted on the intermediate shaft 17, the tail ends of all wires are connected with plugs 18, the plugs 18 are used for being inserted into the wiring sockets 14 in corresponding positions, and the head ends of two wires are correspondingly connected with one grounding electrode 2. Specifically, the measurement main machine 1 is provided with an upper cross arm 19 and a lower cross arm 20, wherein the measurement plate 13 is located on the upper cross arm, and the power module 11 and the rechargeable battery 12 are located on the lower cross arm 20.

The two side walls of the measuring host are provided with four wiring sockets in total, and the wiring sockets cannot be exposed after the end cover plate is covered because the measuring host is sunken inwards. The head ends of the wires are provided with plugs, two of the four connecting sockets are current pole connecting sockets, and two of the four connecting sockets are voltage pole connecting sockets. In the four wires, the sockets of the two wires are inserted into a current electrode connection socket and a voltage electrode connection socket and connected to the tower grounding, the other two wires are connected with a grounding electrode, the wire plug is inserted into the other current electrode connection socket and the voltage electrode connection socket, the grounding electrode is inserted into the ground according to requirements, then a power switch of the measuring host is turned on, after the measuring host is started, a measuring person connects the measuring host with a mobile network terminal WIFI (wireless fidelity), after the connection is successful, the operation is carried out on the terminal, the mobile network terminal receives measuring data sent by the measuring host for calculation, the calculation result is displayed on the interface of the mobile network terminal, and if necessary, the data can be transmitted back to a background for analysis and storage. According to the interface display of the mobile network terminal, when the grounding electrode is in poor wiring or is inserted into the ground and is not in accordance with the requirement, a measurer can timely handle the grounding electrode without needing to run back and forth between the measurer and the grounding electrode with the existing measuring instrument, and the labor is wasted. In addition, the measurement host does not include a display screen and a calculation module, the overall cost is reduced, the size can be further miniaturized, the mobile network terminal is a mobile phone end of a measurer, the measurement data can be received and calculated, the data can be transmitted back to a background in real time, and manual recording is not needed. Because the mobile network terminal is the existing equipment, the wireless function is added to the system, and a network data module does not need to be independently installed for the measurement host, so that the cost is reduced.

In the embodiment, the shell of the measuring host machine is made of high-strength plastic, the front surface of the measuring host machine is not provided with a wiring terminal, the whole outer part of the measuring host machine is of a closed structure, the measuring host machine is not afraid of light rain, weeds stained with rainwater cannot wet the measuring host machine, and the service life of the measuring host machine is ensured; the utility model discloses change binding post into connection socket, the socket is waterproof, and arranges in the side chamber in the end cover board, opens the end cover board and inserts the wire plug after, the end cover board also plays certain rain effect that hides, is fit for outdoor use. In addition, the top of the measuring main machine 1 is also provided with a handle 6.

After the measurement is finished, the grounding electrode and the lead are taken back, and the lead is wound on the take-up reel, so that the lead can be conveniently stored. Because the take-up reel is inserted on the intermediate shaft, the take-up reel can be taken down very conveniently, and thus when the conducting wire is taken up and paid off, a measurer can take off the measuring host machine to independently take up and pay off the conducting wire, and the take-up reel is very convenient. Specifically, the intermediate shaft 17 is a square column, a circle of baffle ring 171 is arranged at the root of the square column, the take-up reel 5 comprises a small cylinder 51, the small cylinder 51 axially penetrates through a square hole 52, two ends of the small cylinder 51 are respectively provided with a disc 53, the periphery of the disc 53 radially extends to form a plurality of side bars 54, and the two discs 53 are symmetrically arranged. The square hole is matched with the shape of the square column, the wire is wound from the small cylindrical surface, the two disks are arranged to ensure the stability of the whole take-up reel structure, the take-up reel is convenient to take out, and the side rods are arranged to see the specific winding condition of the take-up reel.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. A tower ground resistance measuring system comprises a measuring host, two ground electrodes and a plurality of wires, and is characterized by further comprising a mobile network terminal, wherein side plates at the left end and the right end of the measuring host are inwards recessed to form side cavities, damping rotating shafts at the tops of the left end and the right end of the measuring host are connected with end cover plates, clamping seats are mounted at the bottoms in the side cavities, clamping pieces corresponding to the clamping seats are arranged at the tail ends of the end cover plates, a power module, a rechargeable battery and a measuring plate are arranged in the measuring host, a WIFI module is arranged on the measuring plate, the measuring host is in WIFI connection with the mobile network terminal through the WIFI module, the rechargeable battery and the measuring plate are connected with the power module, two wiring sockets are fixed on each of the two side plates of the measuring host, one of the two side plates is also provided with a power socket and a power switch, four wiring sockets are connected to on the measuring plate, supply socket and switch are connected to power module, and every curb plate intermediate position outwards is fixed with the jackshaft, demountable installation has the take-up reel on the jackshaft, and the end of all wires all is connected with the plug, the plug is used for inserting to the wiring socket that corresponds the position on, and wherein two wire head ends correspond and connect one the earthing pole.

2. The tower ground resistance measurement system of claim 1, wherein a handle is provided on top of the measurement host.

3. The tower ground resistance measuring system of claim 2, wherein the intermediate shaft is a square column, a ring of stop ring is arranged at the root of the square column, the take-up reel comprises a small cylinder, a square hole is axially formed through the small cylinder, two ends of the small cylinder are respectively provided with a disc, the periphery of the disc is radially extended with a plurality of side bars, and the two discs are symmetrically arranged.

4. The tower ground resistance measuring system of claim 3, wherein the measuring host has an upper cross arm and a lower cross arm, wherein the measuring plate is located on the upper cross arm, and the power module and the rechargeable battery are located on the lower cross arm.

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