CN111141419A - Cable temperature data processing method and device - Google Patents
Cable temperature data processing method and device Download PDFInfo
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- CN111141419A CN111141419A CN201911404998.0A CN201911404998A CN111141419A CN 111141419 A CN111141419 A CN 111141419A CN 201911404998 A CN201911404998 A CN 201911404998A CN 111141419 A CN111141419 A CN 111141419A
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- temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
Abstract
The invention discloses a cable temperature data processing method and device. The method comprises the following steps: acquiring the temperature of a cable core through a built-in temperature measuring unit; the collected temperature of the cable core is sent to an external receiving unit; judging whether the acquired temperature of the cable core exceeds a preset threshold value or not through an external receiving unit; and if the judgment result is yes, sending out prompt information. According to the invention, the effect of improving the accuracy of the cable temperature measurement result is achieved.
Description
Technical Field
The invention relates to the field of electric power, in particular to a cable temperature data processing method and device.
Background
Underground cables become the main component of the current urban power network frame, but are limited by the technology at present, so that comprehensive and effective power grid operation monitoring is difficult to develop, and cable accidents in various places are frequent. The effective cable running state monitoring system can provide technical support for the safe running of the cable, and the safety of electric power facilities is guaranteed.
The traditional common temperature measurement method comprises the steps of regular inspection by an infrared thermal imager, temperature measurement by adhering optical fibers to the surface of a cable, temperature measurement by implanting the optical fibers into an aluminum sheath of the cable and the like, the cable laying environment and the operation working condition are complex, the traditional temperature measurement method adopts a mode that a temperature measurement sensor is not directly contacted with a cable conductor, so that the temperature of the cable conductor is difficult to be monitored in real time and effectively, the operation temperature of the cable conductor serving as a critical parameter for measuring the operation characteristic of the cable is realized, and the temperature measurement innovation technology is safer, more accurate and faster than the traditional indirect measurement mode and becomes an indispensable important basic link for constructing a novel monitoring system for the operation state of the cable.
Aiming at the problem of inaccurate cable temperature measurement results in the related art, no effective solution is provided at present.
Disclosure of Invention
The invention mainly aims to provide a cable temperature data processing method and device to solve the problem that a cable temperature measurement result is inaccurate.
In order to achieve the above object, according to one aspect of the present invention, there is provided a cable temperature data processing method, the method including: acquiring the temperature of a cable core through a built-in temperature measuring unit; the collected temperature of the cable core is sent to an external receiving unit; judging whether the acquired temperature of the cable core exceeds a preset threshold value or not through an external receiving unit; and if the judgment result is yes, sending out prompt information.
Further, sending out the prompt message includes: and sending alarm information and displaying the temperature.
Further, gather cable core temperature through built-in temperature measurement unit and include: the temperature at the cable core joint is collected through the built-in temperature measuring unit.
Further, the built-in temperature measuring unit includes: the built-in temperature measuring sensor is positioned on the high-voltage side in the main cable connector and directly contacts the conductor part of the cable core.
Further, the built-in temperature measuring unit communicates with the external receiving unit through a temperature measuring relay.
Furthermore, a rubber insulator, a connecting pipe and a shielding cover are arranged between the built-in temperature measuring unit and the temperature measuring relay.
Furthermore, the temperature measuring relay transmits energy to the built-in temperature measuring unit in an electromagnetic coupling mode, and the built-in temperature measuring unit transmits the detected temperature to a reader of the temperature measuring relay in an electromagnetic wave mode.
Furthermore, the reader of the temperature measurement relay is positioned in a temperature measurement receiving box, and the temperature measurement receiving box is connected with the temperature measurement relay.
Furthermore, a high-voltage cable sealant is arranged outside the rubber insulator, a copper protective shell is arranged outside the high-voltage cable sealant, and a coaxial grounding cable is arranged on the copper protective shell.
In order to achieve the above object, according to another aspect of the present invention, there is also provided a cable temperature data processing apparatus for performing the cable temperature data processing method according to the present invention.
The temperature of the core of the cable is collected by a built-in temperature measuring unit; the collected temperature of the cable core is sent to an external receiving unit; judging whether the acquired temperature of the cable core exceeds a preset threshold value or not through an external receiving unit; if the judgment result is yes, prompt information is sent, the problem that the cable temperature measurement result is inaccurate is solved, and the effect of improving the accuracy of the cable temperature measurement result is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a cable temperature data processing method according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a built-in high voltage cable stub temperature measurement device according to an embodiment of the invention; and
fig. 3 is a flow chart of the working principle according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the invention provides a cable temperature data processing method.
Fig. 1 is a flowchart of a cable temperature data processing method according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:
step S102: acquiring the temperature of a cable core through a built-in temperature measuring unit;
step S104: the collected temperature of the cable core is sent to an external receiving unit;
step S106: judging whether the acquired temperature of the cable core exceeds a preset threshold value or not through an external receiving unit;
step S108: and if the judgment result is yes, sending out prompt information.
In the embodiment, the temperature of the core of the cable is collected by a built-in temperature measuring unit; the collected temperature of the cable core is sent to an external receiving unit; judging whether the acquired temperature of the cable core exceeds a preset threshold value or not through an external receiving unit; if the judgment result is yes, prompt information is sent, the problem that the cable temperature measurement result is inaccurate is solved, and the effect of improving the accuracy of the cable temperature measurement result is achieved.
In this embodiment, because the built-in measuring unit directly gathers cable core temperature, compare in the scheme measuring result of measuring the temperature outside the cable package in the correlation technique more accurate.
Optionally, sending the prompt message includes: and sending alarm information and displaying the temperature.
Optionally, gather cable core temperature through built-in temperature measurement unit includes: the temperature at the cable core joint is collected through the built-in temperature measuring unit.
Optionally, the built-in temperature measuring unit includes: the built-in temperature measuring sensor is positioned on the high-voltage side in the main cable connector and directly contacts the conductor part of the cable core.
Optionally, the internal temperature measurement unit communicates with the external receiving unit through a temperature measurement relay.
Optionally, a rubber insulator, a connecting pipe and a shielding case are arranged between the built-in temperature measurement unit and the temperature measurement relay.
Optionally, the thermometry relay transfers energy to the built-in thermometry unit by means of electromagnetic coupling, and the built-in thermometry unit sends the detected temperature to the reader of the thermometry relay by means of electromagnetic waves.
Optionally, the reader of the thermometric relay is located in a thermometric receiving box, and the thermometric receiving box is connected with the thermometric relay.
Optionally, a high-voltage cable sealant is arranged outside the rubber insulator, a copper protective shell is arranged outside the high-voltage cable sealant, and a coaxial grounding cable is arranged on the copper protective shell.
In this embodiment, the temperature of the cable conductor can be directly measured by the built-in high-voltage cable terminal temperature measuring device, and this scheme is described below with reference to the preferred embodiment.
Fig. 2 is a schematic diagram of a built-in high-voltage cable terminal temperature measuring device according to an embodiment of the invention, and as shown in fig. 2, the device includes the following structures:
①, a built-in temperature sensor is arranged at the high-voltage side in the cable joint to measure the running temperature of the conductor by a direct contact measurement method, the temperature sensor is implanted at the conducting core of the cable by directly contacting the cable conductor to measure the temperature, and the high-voltage conducting wire has equal potential, so that the operation of the implanted temperature sensor is not influenced, and the physical structure and the electrical performance of the main insulation of the cable are not influenced.
② aiming at the characteristics of a strong electric field in the cable joint, the high-voltage side equipotential shielding work is adopted, the low-potential side receives the high-voltage side temperature, the radio frequency communication technology transmits the high-voltage side temperature of the cable conductor core to the low potential outside the cable in a wireless communication mode, the built-in temperature measurement sensor is communicated with the external communication relay in real time, the real-time update of temperature data is ensured, the response speed of temperature change is very high, and the temperature measurement precision can reach (+/-1 ℃).
③, adopting radio frequency communication and wireless energy transmission integration technology, supplying power to the built-in temperature measurement sensor in a wireless energy transmission mode, and realizing temperature measurement and data communication functions, the device temperature measurement working principle mainly comprises two parts, namely the built-in temperature measurement sensor and the external temperature measurement relay, the temperature measurement relay reader transmits energy to the sensor in the cable in an electromagnetic coupling mode, and then the sensor sends the temperature to the reader in an electromagnetic wave mode, thus not only accurately obtaining the cable temperature, but also not generating any influence on the cable structure, and meanwhile, the built-in temperature measurement sensor does not need to be supplied with power by a battery, and the effect of no maintenance for life can be realized.
④ built-in temperature measuring device is mainly composed of built-in temperature measuring sensor and temperature measuring relay box temperature measuring receiving box.
Fig. 3 is a flowchart of an operation principle according to an embodiment of the present invention, and as shown in fig. 3, after the external receiving unit receives the temperature information, it determines whether the temperature is higher than a preset threshold, and if so, displays the temperature and gives an alarm, and if not, displays only the temperature.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
The embodiment of the invention provides a cable temperature data processing device, which can be used for executing the cable temperature data processing method of the embodiment of the invention.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A cable temperature data processing method is characterized by comprising the following steps:
acquiring the temperature of a cable core through a built-in temperature measuring unit;
the collected temperature of the cable core is sent to an external receiving unit;
judging whether the acquired temperature of the cable core exceeds a preset threshold value or not through an external receiving unit;
and if the judgment result is yes, sending out prompt information.
2. The method of claim 1, wherein issuing a prompt comprises:
and sending alarm information and displaying the temperature.
3. The method of claim 1, wherein collecting the cable core temperature via the built-in temperature measurement unit comprises:
the temperature at the cable core joint is collected through the built-in temperature measuring unit.
4. The method of claim 1, wherein the built-in thermometry unit comprises:
the built-in temperature measuring sensor is positioned on the high-voltage side in the main cable connector and directly contacts the conductor part of the cable core.
5. The method of claim 1, wherein the internal thermometry unit communicates with the external receiving unit through a thermometry relay.
6. The method of claim 5, wherein a rubber insulator, a connecting tube, and a shield are disposed between the built-in thermometric unit and the thermometric relay.
7. The method of claim 5, wherein the thermometric relay transfers energy to the built-in thermometric unit by way of electromagnetic coupling, the built-in thermometric unit transmitting the detected temperature to the reader of the thermometric relay by way of electromagnetic waves.
8. The method of claim 7, wherein the reader of the thermometry relay is located in a thermometry receiving box, the thermometry receiving box being connected to the thermometry relay.
9. The method of claim 6, wherein the rubber insulator is provided with a high voltage cable sealant disposed thereon, and wherein the high voltage cable sealant is provided with a copper protective sheath disposed thereon, the copper protective sheath having a coaxial grounding cable disposed thereon.
10. A cable temperature data processing apparatus, characterized in that the apparatus is adapted to perform the cable temperature data processing method of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404998.0A CN111141419A (en) | 2019-12-30 | 2019-12-30 | Cable temperature data processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404998.0A CN111141419A (en) | 2019-12-30 | 2019-12-30 | Cable temperature data processing method and device |
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| CN111141419A true CN111141419A (en) | 2020-05-12 |
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| CN201911404998.0A Pending CN111141419A (en) | 2019-12-30 | 2019-12-30 | Cable temperature data processing method and device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2354304A1 (en) * | 1972-11-06 | 1974-05-09 | Europaeische Atomemeinschaft E | TEMPERATURE MEASURING PROBE DESIGNED AS A CABLE |
| CN102620851A (en) * | 2012-04-10 | 2012-08-01 | 苏州易邦顿信息科技有限公司 | Miniature device for measuring temperature of intermediate joint of power cables |
| CN103050171A (en) * | 2012-12-13 | 2013-04-17 | 山东昆嵛电缆有限公司 | Three-core cable with overheating protection function |
| CN104596656A (en) * | 2014-10-17 | 2015-05-06 | 芜湖扬宇机电技术开发有限公司 | Temperature early warning method of cable joint |
| CN105357782A (en) * | 2015-11-24 | 2016-02-24 | 天津朗兴电线电缆有限公司 | Cable |
| CN107834496A (en) * | 2017-11-16 | 2018-03-23 | 卢兰静 | A kind of cable intermediate joint structure of built-in temperature humidity measuring instrument |
| CN110044501A (en) * | 2019-04-15 | 2019-07-23 | 西南交通大学 | A kind of loading condition lower cable connector temperature detection and fault treating apparatus and method |
-
2019
- 2019-12-30 CN CN201911404998.0A patent/CN111141419A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2354304A1 (en) * | 1972-11-06 | 1974-05-09 | Europaeische Atomemeinschaft E | TEMPERATURE MEASURING PROBE DESIGNED AS A CABLE |
| CN102620851A (en) * | 2012-04-10 | 2012-08-01 | 苏州易邦顿信息科技有限公司 | Miniature device for measuring temperature of intermediate joint of power cables |
| CN103050171A (en) * | 2012-12-13 | 2013-04-17 | 山东昆嵛电缆有限公司 | Three-core cable with overheating protection function |
| CN104596656A (en) * | 2014-10-17 | 2015-05-06 | 芜湖扬宇机电技术开发有限公司 | Temperature early warning method of cable joint |
| CN105357782A (en) * | 2015-11-24 | 2016-02-24 | 天津朗兴电线电缆有限公司 | Cable |
| CN107834496A (en) * | 2017-11-16 | 2018-03-23 | 卢兰静 | A kind of cable intermediate joint structure of built-in temperature humidity measuring instrument |
| CN110044501A (en) * | 2019-04-15 | 2019-07-23 | 西南交通大学 | A kind of loading condition lower cable connector temperature detection and fault treating apparatus and method |
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Application publication date: 20200512 |