CN210199231U - Fixing device for magnetic field detection of three-core cable - Google Patents
Fixing device for magnetic field detection of three-core cable Download PDFInfo
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- CN210199231U CN210199231U CN201920970317.6U CN201920970317U CN210199231U CN 210199231 U CN210199231 U CN 210199231U CN 201920970317 U CN201920970317 U CN 201920970317U CN 210199231 U CN210199231 U CN 210199231U
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- core cable
- framework
- semicircular
- magnetic field
- fixing device
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- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 4
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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Abstract
The utility model relates to a fixing device for three-core cable magnetic field detects belongs to power supply operation, magnetic field detection technical field. The technical scheme is as follows: the cable comprises a semicircular framework (2), a placing hole (3) and a three-core cable (4), wherein two ends of the semicircular framework are respectively provided with a connecting head (6), the connecting heads are provided with bolt holes (7), the number of the semicircular frameworks is two, and the two semicircular frameworks (2) are fixedly connected through bolts (1) to form a circular framework; the three-core cable (4) is arranged in the circular framework; six placing holes (3) are formed in the circular framework, and every two adjacent placing holes (3) are arranged at an interval of 60 degrees. The utility model has the advantages that: the effective fixation of the magnetic sensor can be realized, the accurate detection of the three-core cable is ensured, and the safe and stable operation of the three-core cable is ensured.
Description
Technical Field
The utility model relates to a fixing device for three-core cable magnetic field detects belongs to power supply operation, magnetic field detection technical field.
Background
Most of traditional monitoring methods are based on a monitoring scheme of cable aging and fault comprehensive effect, the misjudgment rate is high, fault positions are difficult to search, cascading faults are easily induced due to misjudgment, and potential safety hazards exist in actual power cable operation. In order to realize the on-line monitoring of the running state of the power cable, a reliable method is to monitor the current of each phase core wire in the cable which actually runs and the change condition of the harmonic wave thereof, and based on the current, the running state and the running performance of the power cable are evaluated. However, how to accurately fix the monitoring device becomes a difficulty in actual field work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixing device for three-core cable magnetic field detects realizes that three-core cable on-line monitoring signal collector (magnetic sensor) is effectively fixed, has effectively solved the problem that exists among the background art.
The technical scheme of the utility model is that:
a fixing device for magnetic field detection of a three-core cable comprises a semicircular framework, a placing hole and the three-core cable, wherein two ends of the semicircular framework are respectively provided with a connector, bolt holes are formed in the connectors, the number of the semicircular frameworks is two, and the two semicircular frameworks are fixedly connected through bolts to form a circular framework; the three-core cable is arranged in the circular framework; six placing holes are formed in the circular framework, and the interval between every two adjacent placing holes is 60 degrees.
The circular skeleton side is equipped with annular recess, places the hole setting in annular recess, and six are placed the hole and are linked together through the recess.
And a magnetic sensor is placed in the placing hole.
And a wire for measurement test is placed in the groove and is connected with the magnetic sensor.
The placing hole is a square hole, and the length and the width of the placing hole are both 2 mm.
The semicircular framework is made of engineering plastics.
The magnetic sensor is a device known and commonly used in the art and is commercially available.
The utility model has the advantages that: the effective fixation of the magnetic sensor can be realized, the accurate detection of the three-core cable is ensured, and the safe and stable operation of the three-core cable is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
in the figure: bolt 1, semicircular skeleton 2, place hole 3, three-core cable 4, recess 5, connector 6, bolt hole 7.
Detailed Description
The present invention will be further described with reference to the following examples in conjunction with the accompanying drawings.
A fixing device for three-core cable magnetic field detection comprises a semicircular framework 2, a placing hole 3 and a three-core cable 4, wherein two ends of the semicircular framework are respectively provided with a connecting head 6, the connecting heads are provided with bolt holes 7, the number of the semicircular frameworks is two, and the two semicircular frameworks 2 are fixedly connected through bolts 1 to form a circular framework; the three-core cable 4 is arranged in the circular framework; six placing holes 3 are formed in the circular framework, and the two adjacent placing holes 3 are arranged at an interval of 60 degrees.
The circular skeleton side is equipped with annular recess 5, places hole 3 and sets up in annular recess 5, and six are placed hole 3 and are linked together through recess 5.
The magnetic sensor is embedded in the placement hole 3.
And a wire for measurement test is placed in the groove 5 and is connected with the magnetic sensor.
The placing hole is a square hole, and the length and the width of the placing hole are both 2 mm.
The semicircular framework is made of engineering plastics, and has the advantages of high rigidity, high mechanical strength, good heat resistance and good electrical insulation.
In the embodiment, the A, B, C three-core cable is placed in the two semicircular frameworks, and the two semicircular frameworks are fastened together by bolts;
according to different cable sections, semicircular frameworks with different aperture sizes can be designed, the aperture sizes are consistent with the apertures of the cable sections, and the semi-circular frameworks can be tightly attached to the actual cable apertures after the semi-circular frameworks are manufactured.
Claims (4)
1. A fixing device for three-core cable magnetic field detection, its characterized in that: the cable comprises a semicircular framework (2), a placing hole (3) and a three-core cable (4), wherein two ends of the semicircular framework are respectively provided with a connecting head (6), the connecting heads are provided with bolt holes (7), the number of the semicircular frameworks is two, and the two semicircular frameworks (2) are fixedly connected through bolts (1) to form a circular framework; the three-core cable (4) is arranged in the circular framework; six placing holes (3) are formed in the circular framework, and every two adjacent placing holes (3) are arranged at an interval of 60 degrees.
2. The fixing device for the magnetic field detection of the three-core cable according to claim 1, characterized in that: the circular framework is characterized in that an annular groove (5) is formed in the side face of the circular framework, the placing holes (3) are formed in the annular groove, and the six placing holes (3) are communicated through the groove (5).
3. A fixing device for magnetic field detection of a three-core cable according to claim 2, characterized in that: and a magnetic sensor is placed in the placing hole (3).
4. A fixing device for magnetic field detection of a three-core cable according to claim 3, characterized in that: and a wire for measurement test is placed in the groove (5) and is connected with the magnetic sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920970317.6U CN210199231U (en) | 2019-06-26 | 2019-06-26 | Fixing device for magnetic field detection of three-core cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920970317.6U CN210199231U (en) | 2019-06-26 | 2019-06-26 | Fixing device for magnetic field detection of three-core cable |
Publications (1)
Publication Number | Publication Date |
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CN210199231U true CN210199231U (en) | 2020-03-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920970317.6U Active CN210199231U (en) | 2019-06-26 | 2019-06-26 | Fixing device for magnetic field detection of three-core cable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210199231U (en) |
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2019
- 2019-06-26 CN CN201920970317.6U patent/CN210199231U/en active Active
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