阅读说明：本技术 低压供电线路导线连接部位温感监测预警系统 (Temperature-sensing monitoring and early-warning system for lead connecting part of low-voltage power supply line ) 是由 张叶 潘少华 张学鹏 方家麟 张晓� 李一雯 项伟伟 周聪 虞越 董意 赵文浩 于 2020-11-23 设计创作，主要内容包括：本发明公开了一种低压供电线路导线连接部位温感监测预警系统,包括缠绕于低压供电线路导线连接部位的温感变色电工绝缘胶带、用于采集温感变色电工绝缘胶带图像的图像采集装置以及无线通讯模块、远程监测终端,温感变色电工绝缘胶带在低压供电线路导线连接部位的温度超过预警阈值时发生变色,图像采集装置通过无线通讯模块将采集的温感变色电工绝缘胶带图像传送至远程监测终端,远程监测终端设有显示屏和温感预警模块。本发明在检测出温感变色电工绝缘胶带发生变色时,可以向外发出预警信息。因此,可以提前采取措施降低因发热后导线烧断引起的火灾隐患、设备损坏风险,并能显著减少故障排查时间,降低维修成本。(The invention discloses a temperature-sensing monitoring and early-warning system for a lead connecting part of a low-voltage power supply line, which comprises a temperature-sensing color-changing electrical insulating tape wound on the lead connecting part of the low-voltage power supply line, an image acquisition device, a wireless communication module and a remote monitoring terminal, wherein the image acquisition device is used for acquiring images of the temperature-sensing color-changing electrical insulating tape, the temperature-sensing color-changing electrical insulating tape changes color when the temperature of the lead connecting part of the low-voltage power supply line exceeds an early-warning threshold value, the image acquisition device transmits the acquired images of the temperature-sensing color-changing electrical insulating tape to the remote monitoring terminal through the wireless communication module, and the remote monitoring. When the temperature-sensitive color-changing electrical insulating tape is detected to be discolored, the warning information can be sent out. Therefore, measures can be taken in advance to reduce the fire hazard and equipment damage risk caused by the fact that the lead is blown after heating, the troubleshooting time can be obviously shortened, and the maintenance cost is reduced.)

1. Low pressure power supply line wire connection position temperature sensing monitoring early warning system, its characterized in that: comprises a temperature-sensing color-changing electrical insulating tape wound at the connecting part of a low-voltage power supply line lead, an image acquisition device for acquiring images of the temperature-sensing color-changing electrical insulating tape, a wireless communication module and a remote monitoring terminal, the temperature-sensitive color-changing electrical insulating tape changes color when the temperature of the connecting part of the low-voltage power supply line lead exceeds the early warning threshold value, the image acquisition device transmits the acquired temperature-sensitive color-changing electrical insulating tape image to a remote monitoring terminal through a wireless communication module, the remote monitoring terminal is provided with a display screen and a temperature-sensing early warning module, the temperature-sensing early warning module processes the temperature-sensing color-changing electrical insulating tape image, and detects whether the temperature-sensitive color-changing electrical insulating tape changes color or not, and when the temperature-sensitive color-changing electrical insulating tape changes color, and sending out early warning information, and displaying the processed temperature-sensitive color-changing electrical insulating tape image on the display screen.

2. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system of claim 1, characterized in that: the temperature-sensitive color-changing electrical insulating tape sequentially comprises an adhesive layer, a bottom coating layer, a base layer and a separation layer from inside to outside, wherein a temperature-sensitive color-changing dye is added into the base layer, and the separation layer is made of a transparent material.

3. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system of claim 1, characterized in that: the temperature-sensitive color-changing electrical insulating tape is green at normal temperature, and is red when the temperature exceeds the early warning threshold value.

4. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system of claim 3, characterized in that: the early warning threshold is 60 degrees, 80 degrees, 100 degrees, or 120 degrees.

5. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system according to any one of claims 1 to 4, characterized in that: the temperature-sensitive color-changing electrical insulating tape can change color repeatedly or irreversibly at a time.

6. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system of claim 1, characterized in that: the image acquisition device is a camera which is fixedly arranged near a lead connecting part of a low-voltage power supply circuit or is arranged on a mobile inspection device.

7. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system of claim 1, characterized in that: the wireless communication module adopts a 4G or 5G communication technology.

8. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system of claim 1, characterized in that: the temperature sensing early warning module sends an early warning short message to a set mobile terminal.

9. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system of claim 5, characterized in that: the temperature-sensing color-changing electrical insulating tape images collected by the image collecting devices correspond to unique codes, and the coded information comprises position information corresponding to the low-voltage power supply line lead connecting parts.

10. The low-voltage power supply line lead connection position temperature sensing monitoring and early warning system of claim 9, characterized in that: the remote monitoring terminal is provided with an early warning information recording module, and the early warning information is recorded after the temperature sensing early warning module sends out the early warning information.

Technical Field

The invention belongs to the technical field of electricians, and particularly relates to a safety monitoring technology for a lead connecting part of a low-voltage power supply line.

Background

In low-voltage electrical technology, the function of the insulating tape is very important, low-voltage power supply lines are inevitably connected, and the original metal sheath of a lead is stripped and then the lead is required to be covered again by the insulating tape to maintain the insulating property of the connection part, so that electric leakage and electric shock of people and livestock are avoided. However, in practical application, it is found that the connection part of the two wires is also a part of the low-voltage line with a high failure rate, and the connection part is mainly characterized in that the connection point is abnormally heated until finally blown due to water inflow, oxidation, looseness and the like at the connection position.

Disclosure of Invention

The invention aims to solve the technical problem of providing a temperature-sensing monitoring and early-warning system for the lead connecting part of a low-voltage power supply line, so that when any abnormality in the connecting point causes heating, the monitoring and early-warning system can timely monitor and early-warn so as to timely process the heating connecting point, thereby reducing the faults such as burnout and the like.

In order to solve the technical problems, the invention adopts the following technical scheme: a temperature-sensing monitoring and early-warning system for a lead connecting part of a low-voltage power supply line comprises a temperature-sensing color-changing electrical insulating tape wound on the lead connecting part of the low-voltage power supply line, an image acquisition device for acquiring images of the temperature-sensing color-changing electrical insulating tape, a wireless communication module and a remote monitoring terminal, wherein the temperature-sensing color-changing electrical insulating tape changes color when the temperature of the lead connecting part of the low-voltage power supply line exceeds an early-warning threshold value, the image acquisition device transmits the acquired images of the temperature-sensing color-changing electrical insulating tape to the remote monitoring terminal through the wireless communication module, the remote monitoring terminal is provided with a display screen and a temperature-sensing early-warning module, the temperature-sensing early-warning module processes the images of the temperature-sensing color-changing electrical insulating tape and detects whether the temperature-sensing color-changing electrical, and sending out early warning information, and displaying the processed temperature-sensitive color-changing electrical insulating tape image on the display screen.

Preferably, the temperature-sensitive color-changing electrical insulating tape sequentially comprises an adhesive layer, a bottom coating layer, a base layer and a separation layer from inside to outside, wherein a temperature-sensitive color-changing dye is added into the base layer, and the separation layer is made of a transparent material.

Preferably, the thermochromic electrical insulating tape is green at normal temperature, and red when the temperature exceeds the early warning threshold value.

Preferably, the early warning threshold is 60 degrees, 80 degrees, 100 degrees, or 120 degrees.

Preferably, the thermochromic electrical insulating tape can repeatedly change color or change color irreversibly once.

Preferably, the image acquisition device is a camera, and the camera is fixedly installed near the wire connecting part of the low-voltage power supply line or installed on a mobile inspection device.

Preferably, the wireless communication module adopts a 4G or 5G communication technology.

Preferably, the temperature-sensing early warning module sends an early warning short message to the set mobile terminal.

Preferably, the wire connecting parts of the low-voltage power supply circuits, the temperature-sensitive color-changing electrical insulating tapes and the image acquisition devices are in one-to-one correspondence, the images of the temperature-sensitive color-changing electrical insulating tapes acquired by the image acquisition devices correspond to unique codes, and the coded information comprises position information corresponding to the wire connecting parts of the low-voltage power supply circuits.

Preferably, the remote monitoring terminal is provided with an early warning information recording module, and the early warning information is recorded after the temperature sensing early warning module sends out the early warning information.

The technical scheme adopted by the invention is that a thermochromic dye layer is added on the basis of the original polyvinyl chloride or polyolefin insulating tape, the dye has the general characteristic that the dye has one color at a certain temperature, and can change into another color after the temperature breaks through another value, and whether the wire connecting part below the insulating tape is heated or not can be judged through the color mutation. Because adopt image acquisition device to gather the electrician's insulating tape image that discolours of temperature simultaneously to the electrician's insulating tape image transmission that discolours of temperature that will gather through wireless communication module conveys to remote monitoring terminal, remote monitoring terminal can handle the electrician's insulating tape image that discolours of temperature, and detect whether discolour of temperature electrician's insulating tape discolours, when detecting out the electrician's insulating tape that discolours of temperature and take place to discolour, can outwards send early warning information. Therefore, measures can be taken in advance to reduce the fire hazard and equipment damage risk caused by the fact that the lead is blown after heating, the troubleshooting time can be obviously shortened, and the maintenance cost is reduced.

By adopting the technical scheme, the invention has the following beneficial effects:

1. the temperature-sensitive color-changing electrical insulating tape can be applied to all environments originally applied by the electrical insulating tape like a common electrical tape, and does not influence the working performance.

2. The thermochromic electric insulating adhesive is provided with a plurality of temperature color-changing types which can be selected, different types can be selected according to different environments, including but not limited to, for example, a 60-degree color-changing adhesive tape can be applied to an area with relatively cold climate or a constant temperature machine room, an 80-degree or 100-degree color-changing adhesive tape can be applied to an outdoor environment, and a 120-degree color-changing adhesive tape can be applied to a hot zone area with higher ambient temperature.

3. The color change property is obvious, the safety of the surface temperature of the connection point and other equipment can be effectively indicated, the application scene includes but is not limited to green when the temperature exceeds the early warning value, and the application scene is red when the temperature exceeds the early warning value, so that the safety of the connection point can be prompted, and the safety of all attached surface equipment can be early warned through the obviously changed color.

4. Possess two kinds of versions of repeatedly discolouring and single irreversible change look, be applied to different scenes, the sticky tape that repeatedly discolours is applied to ambient temperature monitoring, in time provides the early warning after appearing unusually. The irreversible color-changing version is mainly used for a tighter control environment, a permanent temperature change record can be left after any temperature appears, and a maintainer can conveniently check fault points and risk points.

5. High reliability and flexibility, and can adapt to various complex environments.

The following detailed description of the present invention will be provided in conjunction with the accompanying drawings.

Drawings

The invention is further described with reference to the accompanying drawings and the detailed description below:

FIG. 1 is a schematic view of a temperature-sensitive color-changing electrical insulating tape wound around a lead connection portion of a low-voltage power supply line;

fig. 2 is a schematic block diagram of a temperature-sensing monitoring and early-warning system for a lead connection part of a low-voltage power supply line.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.

As shown in fig. 1 and fig. 2, the temperature monitoring and early warning system for the wire connection part of the low voltage power supply line comprises a temperature-sensitive color-changing electrical insulating tape 1 wound on the wire connection part 10 of the low voltage power supply line, an image acquisition device 2 for acquiring images of the temperature-sensitive color-changing electrical insulating tape, a wireless communication module 3 and a remote monitoring terminal 4, wherein the temperature-sensitive color-changing electrical insulating tape changes color when the temperature of the wire connection part of the low voltage power supply line exceeds an early warning threshold value, the image acquisition device transmits the acquired images of the temperature-sensitive color-changing electrical insulating tape to the remote monitoring terminal through the wireless communication module, the remote monitoring terminal is provided with a display screen and a temperature-sensitive early warning module, the temperature-sensitive early warning module processes the images of the temperature-sensitive color-changing electrical insulating tape and detects whether the temperature-sensitive color-changing electrical insulating tape changes color or not, and sending out early warning information. By adopting the technical scheme, measures can be taken in advance to reduce the fire hazard and equipment damage risk caused by the fact that the lead is blown after heating, the troubleshooting time can be obviously shortened, and the maintenance cost is reduced.

Moreover, the display screen can display the processed image of the temperature-sensitive color-changing electrical insulating tape, so that whether the temperature-sensitive color-changing electrical insulating tape changes color or not can be judged directly through observation of workers.

Referring to the prior art, the temperature-sensitive color-changing electrical insulating tape 1 comprises an adhesive layer 11, a primer layer 12, a base layer 13 and a separating layer 14 in sequence from inside to outside. In this embodiment, a thermochromic dye layer is added on the basis of an original polyvinyl chloride or polyolefin insulating tape, that is, thermochromic dye is added in the base layer, and the separation layer is made of a transparent material. The thermochromic dye is one color at a certain temperature and is another color after exceeding a certain temperature critical point, so that the base layer has a certain temperature color change capability. Whether the wire connecting part under the insulating tape generates heat or not can be judged through the sudden change of the color. And the outermost separating layer is made of transparent material, so that the color change of the base layer can be observed by the outside eyes.

The color-changing electrical insulating tape 1 can be applied to all environments where electrical insulating tapes are originally applied like common electrical tapes, and does not affect the working performance. And has the advantages of high reliability and flexibility, and can adapt to various complex environments.

In one embodiment, the thermochromic electrical insulating tape is green at normal temperature and red when the temperature exceeds the warning threshold. Through the color that changes remarkably, not only can the security that not only can indicate the tie point also can the security of all attached surface equipment of early warning.

The temperature-sensing color-changing electrical insulating glue is provided with a plurality of temperature color-changing models which can be selected, and different models can be selected according to different environments. For example, the pre-warning threshold is 60 degrees, 80 degrees, 100 degrees, or 120 degrees. The 60-degree color-changing adhesive tape can be applied to the areas with relatively cold climate or the environments such as a constant-temperature machine room, the 80-degree and 100-degree color-changing adhesive tapes can be applied to the outdoor environment, and the 120-degree color-changing adhesive tapes can be applied to the hot zone areas with higher environmental temperature.

Further, the temperature-sensitive color-changing electrical insulating tape can change color repeatedly or irreversibly once. The color-changeable adhesive tape is applied to different scenes, can be repeatedly changed in color and applied to environmental temperature monitoring, and timely provides early warning after abnormity occurs. The irreversible color-changing version is mainly used for a tighter control environment, a permanent temperature change record can be left after any temperature early warning occurs, and a maintainer can conveniently find out fault points and risk points.

The image acquisition device is a camera which is fixedly arranged near a lead connecting part of a low-voltage power supply line, for example, a pan-tilt camera is used for acquiring images of other tasks, and simultaneously, the images of the temperature-sensitive color-changing electrical insulating tape can be acquired by switching positions at regular time. Or the camera is arranged on the mobile inspection equipment, and the content of acquiring the temperature-sensitive color-changing electrical insulating tape image is increased when the inspection task is executed. The wireless communication module adopts 4G or 5G communication technology or other known wireless communication technology. The temperature sensing early warning module can send an early warning short message to a set mobile terminal through a GSM communication technology, and the set mobile terminal can be a worker in a corresponding area, so that the worker can arrive at the site in time for processing after early warning.

It can be understood that the connection parts of the leads of the low-voltage power supply lines, the temperature-sensitive color-changing electrical insulating tapes and the image acquisition devices are in one-to-one correspondence, the images of the temperature-sensitive color-changing electrical insulating tapes acquired by the image acquisition devices correspond to unique codes, and the coded information comprises position information corresponding to the connection parts of the leads of the low-voltage power supply lines. Therefore, different images of the temperature-sensitive color-changing electrical insulating tape can be distinguished, and the specific position of the wire connecting part of the corresponding low-voltage power supply line can be accurately known.

Furthermore, the remote monitoring terminal is provided with an early warning information recording module, and the early warning information is recorded after the temperature sensing early warning module sends out the early warning information. Troubleshooting fault points and risk points are convenient for maintainers to patrol.

Other embodiments of the present invention than the preferred embodiments described above, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, should fall within the scope of the present invention defined in the claims.