CN111122001A - Online monitoring device for temperature of wire connection point of power transmission line - Google Patents
Online monitoring device for temperature of wire connection point of power transmission line Download PDFInfo
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- CN111122001A CN111122001A CN201911349475.0A CN201911349475A CN111122001A CN 111122001 A CN111122001 A CN 111122001A CN 201911349475 A CN201911349475 A CN 201911349475A CN 111122001 A CN111122001 A CN 111122001A
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- base station
- wireless
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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
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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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
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Abstract
The invention discloses a temperature on-line monitoring device for a wire connecting point of a power transmission line, which comprises a temperature monitoring module and a signal transmission base station, wherein the temperature monitoring module comprises: the battery and the wireless transmission chip are fixedly connected inside the shell; the thermistor sensor is fixedly connected with the shell and extends to the outer surface of the shell from the inside; the outer side of the shell is sleeved with a silica gel sleeve; a ribbon is arranged on the silica gel sleeve; the thermistor sensor is electrically connected with the wireless transmission chip; the battery is respectively and electrically connected with the thermistor sensor and the wireless transmission chip; the wireless transmission chip is wirelessly connected with the signal transmission base station; the signal transmission base station is in wireless connection with the cloud server; the cloud server is in wireless connection with the terminal. Has the advantages that: the reliability of the equipment is improved, the temperature can be monitored on line for 24 hours, and the heating hidden danger of the equipment can be found in time; the practicality is strong, has practiced thrift personnel cost, time cost, equipment cost, very big reduction fortune dimension personnel's intensity of labour, has improved work efficiency.
Description
The technical field is as follows:
the invention relates to the field of electric power, in particular to an on-line monitoring device for the temperature of a wire connecting point of a power transmission line.
Background art:
the majority of connecting hardware fittings at the wire connecting points of the power transmission line are connected by bolts, and belong to current heat-conducting equipment.
The regulation of the transmission line operating regulation: the common defect is that the heating temperature of the wire connecting points (the parallel groove clamp, the jumper wire drainage plate, the T-shaped clamp and the equipment clamp) of the power transmission line is not more than 90 ℃ or the relative temperature difference is not less than 70%; the serious defect is that the heating temperature of the connecting point of the conducting wire of the power transmission line is more than 90 ℃ or the relative temperature difference is not less than 80%; and critical defects are caused when the heating temperature of the connecting point of the conducting wire of the power transmission line is more than 130 ℃ or the relative temperature difference is not less than 95%.
In order to avoid the line breaking accident of the power transmission line caused by overhigh heating temperature of the wire connecting point, the operation and maintenance unit of the power transmission line adopts infrared temperature measurement to monitor the temperature of the wire connecting point of the power transmission line in time. The traditional method has the following disadvantages: firstly, due to the topographic and climatic factors, a measurer is far away from the measured equipment during measurement, and the temperature measuring equipment is absorbed by gas molecules such as water vapor, carbon dioxide and carbon monoxide in the atmosphere, so that the temperature measuring data are inaccurate. Secondly, the distribution region of the transmission line is wide, the points are diverse and wide, a large number of workers and temperature measuring equipment need to be equipped for full coverage measurement, and the temperature measurement of the transmission line can only be carried out in good weather, so that the temperature measurement cannot be carried out in real time, and a blind area and a blank period of the temperature measurement are caused. Thirdly, the temperature of the lead connecting point of the power transmission line is also a long-time temperature rising process, the abnormal condition of the temperature cannot be found effectively through periodic temperature measurement, the potential danger of overhigh temperature can be found only through just on-site temperature measurement when the temperature rises, the characteristic of aging loss exists, once the temperature of the node is higher, the blowing-out accident of the drainage wire can occur, and the great potential danger is brought to the safe and stable operation of the power transmission line.
The invention content is as follows:
the invention aims to provide a temperature monitoring device which improves the reliability of equipment, can monitor the temperature on line for 24 hours, and can find the heating hidden trouble of the equipment in time; the practicability is strong, the intellectualization of the operation and maintenance of the power transmission line can be realized, the personnel cost, the time cost and the equipment cost are saved, the labor intensity of the operation and maintenance personnel is greatly reduced, and the working efficiency is improved; and the temperature on-line monitoring device has a temperature alarm function, and further improves the safety.
The invention is realized by the following technical scheme:
the invention discloses an on-line monitoring device for the temperature of a wire connecting point of a power transmission line, which comprises a temperature monitoring module and a signal transmission base station, wherein the temperature monitoring module comprises: the temperature monitoring module is in wireless connection with the signal transmission base station; the temperature monitoring module comprises a shell, a thermistor sensor, a battery, a wireless transmission chip, a silica gel sleeve and a binding belt; the shell is a rectangular hollow cube; the battery and the wireless transmission chip are fixedly connected inside the shell; the thermistor sensor is fixedly connected with the shell and extends to the outer surface of the shell from the inside; the outer side of the shell is sleeved with a silica gel sleeve; a ribbon is arranged on the silica gel sleeve; the thermistor sensor is electrically connected with the wireless transmission chip; the battery is respectively and electrically connected with the thermistor sensor and the wireless transmission chip; the wireless transmission chip is wirelessly connected with the signal transmission base station; the signal transmission base station is in wireless connection with the cloud server; the cloud server is in wireless connection with the terminal.
The above-mentioned transmission line wire tie point temperature on-line monitoring device, wherein: the signal transmission base station comprises a signal transceiving module, a solar cell panel, a base station storage battery and a base station box body; the base station box body is fixedly connected below the solar cell panel; the signal transceiver module and the base station storage battery are fixedly connected inside the base station box body; the signal transceiving module is electrically connected with the base station storage battery; the base station storage battery is electrically connected with the solar cell panel; the wireless receiving and transmitting module is respectively in wireless connection with the wireless transmission chip and the cloud server.
The above-mentioned transmission line wire tie point temperature on-line monitoring device, wherein: the contact surface of the thermistor sensor and the outer surface of the shell are positioned on the same plane; the shell is provided with a plane on which the thermistor sensor is arranged, and all the rest outer surfaces are coated in the silica gel sleeve; the ribbon is fixedly connected to two opposite side surfaces of the silica gel sleeve.
The above-mentioned transmission line wire tie point temperature on-line monitoring device, wherein: the signal receiving and transmitting module adopts 4G network transmission.
The above-mentioned transmission line wire tie point temperature on-line monitoring device, wherein: the ribbon and the silica gel sleeve are made of silica gel materials through integral forming.
The above-mentioned transmission line wire tie point temperature on-line monitoring device, wherein: the voltage of the solar panel is 12V.
The above-mentioned transmission line wire tie point temperature on-line monitoring device, wherein: the signal transceiving module comprises an antenna and a wireless transceiving chip; the antenna extends from the internal cavity of the base station housing to the outside; the wireless transceiver chip is fixedly connected to the inside of the base station shell; the antenna is in wireless connection with the wireless transmission chip; the wireless transceiver chip is in wireless connection with the cloud server.
The invention has the beneficial effects that: the reliability of the equipment is improved, the temperature can be monitored on line for 24 hours, and the heating hidden danger of the equipment can be found in time; the practicability is strong, the intellectualization of the operation and maintenance of the power transmission line can be realized, the personnel cost, the time cost and the equipment cost are saved, the labor intensity of the operation and maintenance personnel is greatly reduced, and the working efficiency is improved; and has the temperature alarm function, thereby further improving the safety.
Description of the drawings:
FIG. 1: the invention is a schematic three-dimensional structure;
FIG. 2: the invention discloses a schematic three-dimensional structure of a temperature monitoring module;
FIG. 3: the invention discloses a three-dimensional structure section schematic diagram of a temperature monitoring module;
FIG. 4: the invention discloses a three-dimensional structure section schematic diagram of a signal transmission base station;
in the figure: 1-temperature monitoring module, 2-signal transmission base station, 11-shell, 12-thermistor sensor, 13-battery, 14-wireless transmission chip, 15-silica gel sleeve, 16-ribbon, 21-signal receiving and transmitting module, 22-solar panel and 23-base station storage battery.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and detailed description:
example (b): as shown in fig. 1-4, an online temperature monitoring device for a wire connection point of a power transmission line includes a temperature monitoring module 1 and a signal transmission base station 2, wherein: the temperature monitoring module 1 is wirelessly connected with the signal transmission base station 2; the temperature monitoring module 1 comprises a shell 11, a thermistor sensor 12, a battery 13, a wireless transmission chip 14, a silica gel sleeve 15 and a binding belt 16; the shell 11 is a rectangular hollow cube; the battery 13 and the wireless transmission chip 14 are fixedly connected inside the shell 11; the thermistor sensor 12 is fixedly connected with the shell 11 and extends from the inside to the outer surface of the shell 11; a silica gel sleeve 15 is sleeved on the outer side of the shell 11; the silicon rubber sleeve 15 is provided with a ribbon 16; the thermistor sensor 12 is electrically connected with the wireless transmission chip 14; the battery 13 is electrically connected with the thermistor sensor 12 and the wireless transmission chip 14 respectively; the wireless transmission chip 14 is wirelessly connected with the signal transmission base station 2; the signal transmission base station 2 is in wireless connection with the cloud server; the cloud server is in wireless connection with the terminal; wherein: the signal transmission base station 2 comprises a signal transceiving module 21, a solar cell panel 22, a base station storage battery 23 and a base station box body; the base station box body is fixedly connected below the solar cell panel 22; the signal transceiver module 21 and the base station storage battery 23 are fixedly connected inside the base station box body; the signal transceiver module 21 is electrically connected with a base station storage battery 23; the base station storage battery 23 is electrically connected with the solar cell panel 22; the wireless transceiver module 21 is respectively in wireless connection with the wireless transmission chip 14 and the cloud server; wherein: the contact surface of the thermistor sensor 12 and the outer surface of the shell 11 are in the same plane position; the shell 11 is provided with a plane on which the thermistor sensor 12 is arranged, and all the rest outer surfaces are coated in the silica gel sleeve 15; the ribbon 16 is fixedly connected to two opposite side surfaces of the silica gel sleeve 15; wherein: the signal transceiver module 21 adopts 4G network transmission; wherein: the ribbon 16 and the silica gel sleeve 15 are made of silica gel material and are integrally formed; wherein: the voltage of the solar panel 22 is 12V; wherein: the signal transceiver module 22 includes an antenna and a wireless transceiver chip; the antenna extends from the internal cavity of the base station housing to the outside; the wireless transceiver chip is fixedly connected to the inside of the base station shell; the antenna is wirelessly connected with the wireless transmission chip 14; the wireless transceiver chip is in wireless connection with the cloud server.
When in work: the contact surface of the thermistor sensor 12 is tightly attached to the connecting point of the wire of the transmission line, and then the temperature monitoring module 1 is fixed on the transmission line through a binding belt 16; wherein: the temperature measuring range of the thermistor sensor is-30 ℃ to 150 ℃; the working environment temperature of the high-temperature resistant lithium battery is-30 ℃ to 150 ℃; the minimum transmission distance of the wireless transmission chip is 50 m; the working environment temperature of the silica gel shell is-30 ℃ to 150 ℃; and then the signal transmission base station 2 is fixedly connected to a proper position on the power transmission line within a range of fifty meters.
Then, the thermistor sensor 12 monitors the temperature at the wire connecting point of the transmission line in real time and transmits the measured temperature data to the wireless transmission chip 14; the wireless transmission chip 14 wirelessly transmits the measured temperature data to the signal transmission base station 2, receives the temperature data by an antenna of the signal transmission base station 2, transmits the temperature data by the transceiver module through a 4G network, and forwards the temperature data to the cloud server; the cloud server stores the data in real time for remote wireless query of the terminal equipment.
The terminal is loaded with software such as monitoring software, APP and an early warning system, temperature data measured by the thermistor sensor 12 is set to be automatically acquired every three minutes, an alarm threshold value is set on the terminal software, and when the measured temperature data is higher than the alarm threshold value, an alarm is triggered immediately.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a transmission line wire tie point temperature on-line monitoring device, includes temperature monitoring module (1) and signal transmission basic station (2), its characterized in that: the temperature monitoring module (1) is in wireless connection with the signal transmission base station (2); the temperature monitoring module (1) comprises a shell (11), a thermistor sensor (12), a battery (13), a wireless transmission chip (14), a silica gel sleeve (15) and a binding belt (16); the shell (11) is a rectangular hollow cube; the battery (13) and the wireless transmission chip (14) are fixedly connected inside the shell (11); the thermistor sensor (12) is fixedly connected with the shell (11) and extends to the outer surface of the shell (11) from the inside; a silica gel sleeve (15) is sleeved on the outer side of the shell (11); a ribbon (16) is arranged on the silica gel sleeve (15); the thermistor sensor (12) is electrically connected with the wireless transmission chip (14); the battery (13) is electrically connected with the thermistor sensor (12) and the wireless transmission chip (14) respectively; the wireless transmission chip (14) is wirelessly connected with the signal transmission base station (2); the signal transmission base station (2) is in wireless connection with the cloud server; the cloud server is in wireless connection with the terminal.
2. The online monitoring device for the temperature of the wire connection point of the power transmission line according to claim (1), characterized in that: the signal transmission base station (2) comprises a signal transceiving module (21), a solar cell panel (22), a base station storage battery (23) and a base station box body; the base station box body is fixedly connected below the solar cell panel (22); the signal transceiving module (21) and the base station storage battery (23) are fixedly connected inside the base station box body; the signal transceiving module (21) is electrically connected with a base station storage battery (23); the base station storage battery (23) is electrically connected with the solar panel (22); the wireless transceiving module (21) is in wireless connection with the wireless transmission chip (14) and the cloud server respectively.
3. The transmission line wire connection point temperature on-line monitoring device of claim (2), characterized in that: the contact surface of the thermistor sensor (12) and the outer surface of the shell (11) are in the same plane position; the shell (11) is provided with a plane on which the thermistor sensor (12) is arranged, and all the rest outer surfaces are coated in the silica gel sleeve (15); the bandage (16) is fixedly connected to two opposite side surfaces of the silica gel sleeve (15).
4. The transmission line wire connection point temperature on-line monitoring device of claim (2), characterized in that: the signal transceiving module (21) adopts 4G network transmission.
5. The transmission line wire connection point temperature on-line monitoring device of claim (2), characterized in that: ribbon (16) and silica gel cover (15) are the silica gel material integrated into one piece and make.
6. The transmission line wire connection point temperature on-line monitoring device of claim (2), characterized in that: the voltage of the solar panel (22) is 12V.
7. The transmission line wire connection point temperature on-line monitoring device of claim (2), characterized in that: the signal transceiving module (22) comprises an antenna and a wireless transceiving chip; the antenna extends from the interior cavity of the base station housing to the exterior; the wireless transceiver chip is fixedly connected to the inside of the base station shell; the antenna is wirelessly connected with the wireless transmission chip (14); the wireless transceiver chip is in wireless connection with the cloud server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349475.0A CN111122001A (en) | 2019-12-24 | 2019-12-24 | Online monitoring device for temperature of wire connection point of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349475.0A CN111122001A (en) | 2019-12-24 | 2019-12-24 | Online monitoring device for temperature of wire connection point of power transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN111122001A true CN111122001A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911349475.0A Pending CN111122001A (en) | 2019-12-24 | 2019-12-24 | Online monitoring device for temperature of wire connection point of power transmission line |
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| CN (1) | CN111122001A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113675A (en) * | 2020-09-15 | 2020-12-22 | 国网山东省电力公司济南市历城区供电公司 | Contact temperature monitor in high tension switchgear |
-
2019
- 2019-12-24 CN CN201911349475.0A patent/CN111122001A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113675A (en) * | 2020-09-15 | 2020-12-22 | 国网山东省电力公司济南市历城区供电公司 | Contact temperature monitor in high tension switchgear |
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