CN219531955U - Sag measurement device for power transmission line - Google Patents

Abstract

The utility model discloses a power transmission line sag measurement device which comprises a main case and a sensor probe, wherein the main case and the sensor probe are connected, the main case is arranged on a tower pole, and the sensor probe is fixed on a power transmission line connected between two tower poles; the sensor probe comprises an inclination sensor and a laser sensor, wherein the inclination sensor and the laser sensor collect related data of a power transmission line and communicate and transmit the related data to a main case, and the main case combines the data with pre-recorded field engineering data to perform comprehensive calculation and then sends the maximum sag data of the power transmission line to a background server; the main case and the sensor probe are connected with independent power supplies. According to the utility model, the sensor probe is used for measuring the inclination angle data and the ground distance, and the main machine box is used for receiving and processing the data, so that a worker can remotely control the running state of the sag measuring device, the practicability of the product is greatly improved, and the manual in-situ participation is effectively reduced.

Description

Sag measurement device for power transmission line

Technical Field

The utility model relates to the technical field related to power transmission line monitoring, in particular to a power transmission line sag measurement device.

Background

The sag of the transmission line is one of main indexes of line design and operation, and at present, the sag detection of the transmission line mostly adopts two modes of inclination angle measurement and wire stress and temperature measurement, but is limited by environment, and related staff is required to intervene in measurement, and meanwhile, the following defects are also present:

the inclination angle measurement method is used for calculating the maximum sag of the wire by measuring the inclination angle of the suspension point of the transmission wire, and has simple operation, but slightly poor accuracy and error;

the wire stress and temperature measurement method comprises the following steps: sag becomes larger when the temperature of the wire is increased (stress is correspondingly reduced), and sag becomes smaller when the temperature of the wire is reduced (stress is correspondingly increased), and the measuring mode needs to measure too many parameters, namely stress when working condition is m, specific gravity of the wire when working condition is m and working condition is n, and data such as final elasticity coefficient of the wire, expansion coefficient of the wire and sectional area of the wire are obtained, and the intermediate calculation process is too complex to be further improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a sag measurement device for a power transmission line.

The utility model is realized by the following technical measures, and comprises a main case and a sensor probe which are connected, wherein the main case is arranged on a tower pole, and the sensor probe is fixed on a power transmission line connected between two tower poles; the sensor probe comprises an inclination sensor and a laser sensor, wherein the inclination sensor and the laser sensor collect related data of a power transmission line and communicate and transmit the related data to a main case, and the main case combines the data with pre-recorded field engineering data to perform comprehensive calculation and then sends the maximum sag data of the power transmission line to a background server; the main case and the sensor probe are connected with independent power supplies.

As a preferred mode, the sensor probe comprises an upper shell and a bottom shell, wherein the upper shell and the bottom shell are covered with each other to form a containing space, a cover plate and a wire clamp are arranged in the containing space, and the wire clamp is used for detachably fixing the sensor probe on a power transmission line by clamping or screws.

As a preferred mode, the cover plate divides the accommodating space into two layers, the inclination sensor and the laser sensor are arranged below the cover plate, and the wire clamp is fixed on the cover plate.

As a preferred mode, the main machine box and the sensor probe are connected in a lora communication mode.

As a preferred mode, the independent power source includes a battery and a solar charging device.

As a preferred mode, the solar charging device is a plurality of solar cell patches or solar panels.

Preferably, the distance between the sensor probe and the tower in the horizontal direction is greater than 100 meters.

As a preferred mode, a communication module is further arranged in the mainframe box, and the communication module comprises: 2G/3G/4G/5G communication module and wiFi communication unit.

As a preferred mode, the upper shell is movably connected to the bottom shell.

The utility model provides a sag measurement device for a power transmission line, which mainly comprises a sensor probe and a main case, wherein the sensor probe and the main case keep a stable signal transmission distance, the sensor probe measures the inclination angle of the power transmission line relative to the horizontal plane direction through an inclination sensor, a laser sensor measures the ground distance of the position of the power transmission line where the device is positioned, the main case receives data acquired by the sensor probe in a wireless communication mode, the data and field engineering data are comprehensively calculated to obtain the maximum sag of the power transmission line, and meanwhile, the data are reported to a background platform, so that relevant staff can observe the scene of the field in real time; meanwhile, the sensor probe and the main case are provided with independent power supplies, so that uninterrupted operation of the sensor probe and the main case is ensured.

Compared with the prior art, the utility model does not need on-site measurement or reading of staff, can effectively eliminate calculation deviation caused by inclination angle installation error, ensures that the accuracy of measured data is more accurate, greatly reduces the calculated amount of comprehensive data and the cost of software and hardware, has convenient use and simple operation, and is suitable for wide popularization and use.

Drawings

Fig. 1 is a schematic diagram of an application scenario according to an embodiment of the present utility model;

FIG. 2 is a flow chart of an embodiment of the present utility model;

FIG. 3 is a schematic view of a sensor probe installation in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a mainframe box according to an embodiment of the utility model;

fig. 5 is an overall schematic view of a solar panel according to an embodiment of the utility model.

In the figure, the label is numbered and the name: 1. the solar panel comprises a main case 2, a sensor probe 3, a power supply 4, an upper cover 5, a bottom shell 6, a cover plate 7, wire clamps 8, mounting holes 9, a rectangular bracket 10, angle irons 11, wiring ports 12 and solar panels

Detailed Description

The utility model will be described in further detail below with reference to examples and with reference to the accompanying drawings.

The utility model provides a power transmission line sag measuring device, refers to fig. 1 through 5, includes mainframe box and the sensor probe that is connected, the mainframe box is installed on the tower pole, the sensor probe is fixed on the power transmission line of being connected between two tower poles, the sensor probe is greater than 100 meters with the distance of tower pole in the horizontal direction. The mainframe box and the sensor probe adopt a wireless communication connection mode to transmit data and related instructions, the mainframe box is arranged on the towers, and as the arc sagging of the transmission lines among the towers is most obvious in the middle position, and the data to be detected are relatively more important, in the embodiment, the sensor probe is arranged on the transmission lines at the middle positions of the two towers. Meanwhile, in order to ensure the accuracy and the power consumption of the acquired data, the sensor probe is small in size and light in weight.

Referring to fig. 1 to 5, the sensor probe includes an inclination sensor and a laser sensor, the inclination sensor and the laser sensor collect data related to a power transmission line and transmit the data to a mainframe box, and the mainframe box combines the data with pre-recorded field engineering data to perform comprehensive calculation and then sends the maximum sag data of the power transmission line to a background server.

Since the device is fixed on the power transmission line, and keeps consistent with the inclination of the power transmission line in the horizontal direction, the inclination sensor in the device can measure the inclination angle of the power transmission line to the ground, and the laser sensor can measure the distance to the ground.

Referring to fig. 1 and 2 specifically, a processing module is disposed in the mainframe box and is used for receiving and processing data acquired by the sensor probe, comprehensively calculating the maximum sag of the wire by using a catenary function in combination with parameters such as the height and the span of two adjacent towers, and uploading the data to a background server. Wherein, the mainframe box is the sag monitoring device mainframe in fig. 2.

The host box is also internally provided with a communication module, and the communication module comprises: 2G/3G/4G/5G communication module and wiFi communication unit. In this embodiment, the host case and the background server adopt the 4G communication module to transmit data and instructions, so that relevant staff can monitor the site situation remotely and in real time, and check the running state of the device. Meanwhile, the device can be updated remotely, and the practicability of the product is improved effectively.

Referring to fig. 3, the sensor probe includes an upper case and a bottom case, where the upper case and the bottom case are covered with each other to form a containing space, a cover plate and a wire clamp are disposed in the containing space, and the wire clamp detachably fixes the sensor probe on a power transmission line by adopting clamping or screws. The upper cover is covered and can prevent rainwater frost and snow from being absorbed into the bottom shell, if the sensor probe is damaged, the background server can not receive data of the position, workers can accurately position and replace the position, and the clamp can be replaced only by loosening and disassembling a screw.

The cover plate divides the accommodating space into two layers, the inclination sensor and the laser sensor are arranged below the cover plate, and the wire clamp is fixed on the cover plate. The fastener sets up in the apron top, and sensor mainboard, circuit, inclination sensor and electrical components such as laser sensor set up in the apron below, and the apron seals electrical components such as sensor mainboard, circuit, inclination sensor and laser sensor inside the drain pan, prevents that inside from intaking to damage electrical components.

The main case and the sensor probe are connected with independent power supplies, the independent power supplies comprise batteries and a solar charging device, wherein the batteries are lithium batteries, and a PCB (printed Circuit Board) in the main case and the sensor probe are electrically connected with the lithium batteries and the solar charging device; the solar charging device is a plurality of solar cell patches or solar panels.

In this embodiment, the solar charging device is a solar panel, the mainframe is electrically connected with the solar panel and components thereof, and the upper cover of the sensor probe is embedded with a solar panel, so as to receive the electric energy converted by the solar panel. The solar panel converts light radiation into electric energy, and on one hand, the solar panel supplies power to equipment, and on the other hand, the solar panel stores power for a lithium battery. When the sunlight is sufficient, the electric energy converted by the solar panel is far greater than the electric energy consumed by the system, and the surplus electric energy is stored by the lithium ion battery to supply power to the equipment when the sunlight is not available, so that the equipment can work uninterruptedly. The solar charging device further comprises a power supply charge-discharge management circuit, the power supply charge-discharge management circuit detects the power consumption condition of the system in real time, timely controls the power supply of each functional module and monitors the charge-discharge state of the lithium battery, and the lithium battery is ensured to be overcharged and overdischarged.

The embodiment of the utility model can also be that the main machine box is connected with the solar panel and the components thereof through the circuit because the power consumption required by the main machine box is relatively large, the sensor probe is powered by adopting a mode of attaching a solar cell patch, and the method is specific:

in one embodiment, the solar charging device further comprises a solar panel, a table-shaped bracket and angle irons, wherein the solar panel is arranged on the table-shaped bracket, and the table-shaped bracket is fixed on the tower pole through the angle irons;

the upper shell is movably connected to the bottom shell, the upper cover is hinged to the bottom shell and can be fixed to any angle, the solar cell patch is attached to the upper cover, and the installation angle of the upper cover can be determined according to the running track of the sun.

The foregoing description of a sag measurement device for a power transmission line is provided to assist in understanding the utility model, but the implementation of the utility model is not limited to the foregoing embodiments, and any changes, modifications, substitutions, combinations, and simplifications made without departing from the principles of the utility model should be equivalent and are included in the scope of the utility model.

Claims (9)

1. The utility model provides a power transmission line sag measuring device which is characterized in that, including mainframe box and sensor probe that are connected, the mainframe box is installed on the tower pole, the sensor probe is fixed on the power transmission line that connects between two tower poles;

the sensor probe comprises an inclination sensor and a laser sensor, wherein the inclination sensor and the laser sensor collect related data of a power transmission line and communicate and transmit the related data to a main case, and the main case combines the data with pre-recorded field engineering data to perform comprehensive calculation and then sends the maximum sag data of the power transmission line to a background server;

the main case and the sensor probe are connected with independent power supplies.

2. The sag measurement device of claim 1, wherein the sensor probe comprises an upper shell and a bottom shell, the upper shell and the bottom shell are covered to form a containing space, a cover plate and a wire clamp are arranged in the containing space, and the wire clamp is used for detachably fixing the sensor probe on the power transmission line by clamping or screws.

3. The sag measurement device of claim 2, wherein the cover separates the receiving space into two layers, the tilt sensor and the laser sensor are disposed below the cover, and the wire clip is secured to the cover.

4. The sag measurement device of claim 1, wherein the main housing and sensor probe are connected by way of a lora communication.

5. The sag measurement device according to claim 1, wherein the independent power source comprises a battery and a solar charging device.

6. The sag measurement device according to claim 5, wherein the solar charging device is a plurality of solar cell patches or solar panels.

7. The sag measurement device according to claim 1, wherein the sensor probe is more than 100 meters horizontally from the tower.

8. The sag measurement device of claim 1, wherein a communication module is further disposed in the main housing, and the communication module includes: 2G/3G/4G/5G communication module and wiFi communication unit.

9. The sag measurement device of claim 2, wherein the upper housing is movably coupled to the bottom housing.