CN218781907U - Wireless temperature measurement sensor for cable intermediate joint - Google Patents
Wireless temperature measurement sensor for cable intermediate joint Download PDFInfo
- Publication number
- CN218781907U CN218781907U CN202222821964.5U CN202222821964U CN218781907U CN 218781907 U CN218781907 U CN 218781907U CN 202222821964 U CN202222821964 U CN 202222821964U CN 218781907 U CN218781907 U CN 218781907U
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- ring
- cable
- temperature sensor
- wireless temperature
- cable intermediate
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Abstract
The utility model provides a wireless temperature sensor of cable intermediate head wholly is the ring form, including scalable temperature sensor, power acquisition unit, data processing and radio frequency signal sending unit, ring form shell, ring form copper foil. Wholly place on cable intermediate head shrinkage sleeve pipe inside connecting pipe next door, the cable core passes from the ring centre, place the scalable temperature sensor in the middle of the ring inner circle direct with the contact of cable core, the ring form copper foil of circle attaches to the ring form shell outer loop inner wall, power acquisition unit, data processing and radio frequency signal sending unit are all integrated in the ring that is full of insulating epoxy, the utility model discloses be applied to cable intermediate head department, through carrying out the partial pressure to ground voltage to the cable core and getting working power supply, the temperature variation condition of real-time supervision joint department, send to backstage receiving system through 433HZ radio frequency signal after the digital processing, show through actual operation the utility model discloses can realize the operating temperature of the inside sinle silk of safe effective and accurate measuring cable intermediate head.
Description
Technical Field
The utility model relates to a temperature sensing field specifically, relates to a wireless temperature measurement sensor of cable intermediate head.
Background
Aiming at the temperature monitoring of the intermediate joint of the cable, the current common method for monitoring the temperature of the core of the cable comprises optical fiber monitoring, and a discharge path of a high-voltage end of the intermediate joint to a low-voltage end is easy to form, so that an intermediate joint accident caused by creepage is caused; the CT self-electricity-taking sensor has large volume, generates eddy current to cause self heating, influences measurement and cannot be installed on a small-section cable.
The utility model discloses a wireless temperature sensor of cable intermediate head, this sensor pass through special temperature sensor arrangement mode, special get the electric mode, and special signalling can realize cable intermediate head temperature monitoring function well, has quick installation, does not destroy the insulating properties of cable, non-maintaining, advantages such as low cost.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a wireless temperature measurement sensor of cable intermediate head.
According to the utility model, the wireless temperature measuring sensor for the cable intermediate joint comprises a telescopic temperature sensor, a power supply acquisition unit, a data processing and radio frequency signal sending unit, a circular ring-shaped shell and a circular ring-shaped copper foil,
wherein:
the wireless temperature measuring sensor is integrally arranged inside a cold-shrinkage sleeve of the cable intermediate joint;
the wireless temperature measuring sensor is integrally in a ring shape and is placed beside the connecting pipe, and the cable core penetrates through the middle of the ring;
insulating epoxy resin is filled in the annular shell, and the annular copper foil is attached to the inner wall of the outer ring of the annular shell;
the telescopic temperature sensor is arranged in the middle of the inner ring of the circular ring, the telescopic temperature sensor has a certain telescopic stroke, the cable core passes through the middle of the circular ring, and the telescopic temperature sensor is directly in close contact with the cable core;
two copper lines are led out from the power acquisition unit, one copper line is wound on the cable core, the other copper line is welded on the copper foil on the inner wall of the outer ring of the circular ring-shaped shell, and the micro-energy collection chip inside the power acquisition unit is used for reducing the voltage and providing a power supply for the wireless temperature measurement sensor.
Preferably, the whole wireless temperature measuring sensor of the cable intermediate joint is arranged inside a cold-shrink sleeve of the cable intermediate joint.
Preferably, the cable intermediate connector wireless temperature measuring sensor is integrally annular.
Preferably, the annular shell is filled with insulating epoxy resin, so that the internal insulating capacity is improved, and the voltage between the cable core and the copper foil is improved.
Preferably, the telescopic temperature sensor is arranged in the middle of the inner ring of the wireless temperature measuring sensor ring, the telescopic temperature sensor has a certain telescopic stroke, the cable core penetrates through the middle of the wireless temperature measuring sensor ring, and the telescopic temperature sensor is directly in close contact with the cable core.
Preferably, two copper conductors are drawn forth to the power acquisition unit, and a winding is on the cable core, and another welding carries out the partial pressure to the high voltage between cable core and the ground on the copper foil of ring form shell outer loop inner wall, collects the chip through the inside little energy of power acquisition unit and steps down, provides the power for wireless temperature sensor.
Preferably, the circular copper foil is attached to the inner wall of the outer ring of the circular shell and is connected with the radio frequency signal sending unit to serve as a sending antenna of the radio frequency signal sending unit.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model can accurately monitor the temperature information of the cable intermediate joint in real time;
2. the cable is fast to install, does not damage the insulating property of the cable, is free from maintenance and has low cost;
3. the utility model discloses can be according to the temperature height change of cable intermediate head department, can adjust in real time and send the cycle.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Drawings
Fig. 1 is a schematic diagram of a cable intermediate joint wireless temperature measurement sensor at the installation position of the cable intermediate joint.
Fig. 2 is a schematic diagram of the interior of a wireless temperature measuring sensor of a cable intermediate joint.
Reference numerals: 01-wireless temperature measuring module, 02-middle joint inner shield, 03-connecting pipe, 04-cable core, 05-cable insulation, 06-steel mesh + braided ground wire 07-middle joint inner shield, 08-cable semi-conductor, 09-cable metal shield, 10-braided grounding wire, 11-cable, 12-connecting terminal,
20-epoxy resin, 21-epoxy resin, 22-epoxy resin, 23-power unit lead wire, 24-power unit lead wire, 25-telescopic temperature sensor, 26-circular shell, 27-circular copper foil, 28-radio frequency signal transmitting unit antenna lead wire and 29-PCB
Description of the preferred embodiment
The present invention will be described in detail with reference to specific embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. All of which belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the utility model provides a pair of wireless temperature sensor of cable intermediate head, including scalable temperature sensor, power acquisition unit, data processing and radio frequency signal sending unit, ring form shell, ring form copper foil. Wholly become the ring form, place near cable intermediate head shrinkage sleeve pipe inside connection pipe, the cable core passes in the middle of following the ring, and scalable temperature sensor has certain flexible stroke in the middle of arranging the ring inner circle in, and when the cable core passes in the middle of following the ring, scalable temperature sensor is direct and cable core in close contact with. Two copper conductors are led out from the power acquisition unit, one copper conductor is wound on the cable core, the other copper conductor is welded on the copper foil on the inner wall of the outer ring of the circular ring-shaped shell, voltage division is carried out on high voltage between the cable core and the ground, and the micro-energy collection chip inside the power acquisition unit is used for voltage reduction, so that a working power supply of each unit is provided. The copper foil attached to the inner wall of the outer ring of the circular ring-shaped shell is simultaneously connected with the radio-frequency signal sending unit and used as a sending antenna of the radio-frequency signal sending unit, insulating epoxy resin is filled in the circular ring-shaped shell, the internal insulation capacity is improved, meanwhile, the voltage between the cable core and the copper foil is improved, and all collected temperature data are sent to a background receiving system through 433MHZ radio-frequency signals after being digitally processed.
It should be noted that processing data processing and radio frequency signaling belong to the prior art, and the present invention does not further expand.
The utility model discloses be applied to cable intermediate head department, but the basic problem of power transmission and distribution field key node state perception has been solved well to the temperature variation condition of real-time supervision joint department, has that the installation degree of difficulty is low, install fast simultaneously, performance such as non-maintaining.
The foregoing descriptions have been directed to embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (6)
1. The utility model provides a cable intermediate head wireless temperature sensor, its characterized in that, scalable temperature sensor, power acquisition unit, data processing and radiofrequency signal sending unit, ring form shell, ring form copper foil, wherein: the cable intermediate joint wireless temperature measurement sensor is integrally in a ring shape;
the telescopic temperature sensor is placed beside the connecting pipe inside the cold-shrinkage sleeve of the cable intermediate joint, the cable core penetrates through the middle of the circular ring of the wireless temperature measuring sensor, and the telescopic temperature sensor placed in the middle of the inner ring of the circular ring is directly contacted with the cable core;
insulating epoxy resin is filled in the annular shell, and the annular copper foil is attached to the inner wall of the annular shell;
two copper wires are led out from the power acquisition unit, one copper wire is wound on the cable core, and the other copper wire is welded on the copper foil on the inner wall of the circular ring-shaped shell.
2. The cable intermediate joint wireless temperature measurement sensor according to claim 1, wherein the wireless temperature measurement sensor is in a ring shape integrally and is placed beside the connecting pipe, and the cable core penetrates through the middle of the ring.
3. The wireless temperature sensor of the intermediate joint of the cable according to claim 1, wherein the retractable temperature sensor is arranged in the middle of the inner ring of the wireless temperature sensor, the retractable temperature sensor has a certain retractable stroke, the cable core passes through the middle of the ring of the wireless temperature sensor, and the retractable temperature sensor is directly in close contact with the cable core.
4. The wireless temperature measurement sensor for the cable intermediate joint according to claim 1, wherein the annular copper foil is attached to the inner wall of the outer ring of the annular shell, and epoxy resin is filled in the whole annular.
5. The wireless temperature sensor for the cable intermediate joint according to claim 1, wherein the copper foil on the inner wall of the outer ring of the annular housing is simultaneously connected with the radio frequency signal transmitting unit to serve as a transmitting antenna of the radio frequency signal transmitting unit.
6. The wireless temperature measurement sensor for the cable intermediate joint according to claim 1, wherein a micro energy collecting chip inside the power collecting unit is used for voltage reduction to provide a working power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821964.5U CN218781907U (en) | 2022-10-26 | 2022-10-26 | Wireless temperature measurement sensor for cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821964.5U CN218781907U (en) | 2022-10-26 | 2022-10-26 | Wireless temperature measurement sensor for cable intermediate joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218781907U true CN218781907U (en) | 2023-03-31 |
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ID=85709828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222821964.5U Active CN218781907U (en) | 2022-10-26 | 2022-10-26 | Wireless temperature measurement sensor for cable intermediate joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218781907U (en) |
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2022
- 2022-10-26 CN CN202222821964.5U patent/CN218781907U/en active Active
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