CN218584706U - Power cable insulation defect detection early warning device - Google Patents

Power cable insulation defect detection early warning device Download PDF

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Publication number
CN218584706U
CN218584706U CN202222862884.4U CN202222862884U CN218584706U CN 218584706 U CN218584706 U CN 218584706U CN 202222862884 U CN202222862884 U CN 202222862884U CN 218584706 U CN218584706 U CN 218584706U
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CN
China
Prior art keywords
plate
clamping seat
detection
early warning
cleaning
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Active
Application number
CN202222862884.4U
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Chinese (zh)
Inventor
扶光光
阮鑫磊
黄朝阳
张利
杨瑶玉
田蕊
薛保星
焦澎
张�成
石博
王坛
和娜
焦云峰
郝跃东
屈保华
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Super High Voltage Co Of State Grid Henan Electric Power Co
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Super High Voltage Co Of State Grid Henan Electric Power Co
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Priority to CN202222862884.4U priority Critical patent/CN218584706U/en
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Publication of CN218584706U publication Critical patent/CN218584706U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52Outage or fault management, e.g. fault detection or location

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Abstract

The utility model relates to a power cable insulation defect detection early warning device, it includes first pick-up plate and second pick-up plate, first pick-up plate includes the flat board, the preceding left and right sides of flat board all is provided with the dead lever, all be provided with straining spring in front of the dead lever, straining spring outside end all is provided with the spring hook, the dead lever outside all is provided with the spacing seat of "L" shape structure, spacing seat inside all is provided with the spacing groove of semicircle structure, all be provided with the movable plate below the spacing seat, spacing seat front correspondence spring hook department all is provided with the peg, first pick-up plate below is provided with the second pick-up plate; the utility model has the advantages of simple structure, convenient to use, surface self-cleaning, improve detection accuracy, detection efficiency is high.

Description

Power cable insulation defect detection early warning device
Technical Field
The utility model belongs to the technical field of the electric power apparatus, concretely relates to power cable insulation defect detects early warning device.
Background
In recent years, power production enterprises are not large in low-voltage power supply management investment, particularly in ultra-high voltage substations, people often focus on important parts such as high-voltage equipment, the attention and the investment of a low-voltage alternating current system are relatively insufficient, according to data display, a certain transformer substation in the north and the river in 2019 causes fire disasters and serious loss due to insulation faults of a low-voltage alternating current system cable used in the substation, and if an accident occurs in the ultra-high voltage substation, the consequences are more unreasonable, so that the defect detection needs to be carried out on a power cable to judge the quality of the cable, but when the surface insulation defects of the cable line are detected, the surface of the cable line is stained with dirt due to long-term use, so that the surface of the cable line is corroded, the accurate detection of the defects of the cable is not facilitated, the progress of the cable detection is delayed, and the detection efficiency is low; therefore, it is very necessary to provide a power cable insulation defect detection early warning device with simple structure, convenient use, automatic surface cleaning, improved detection accuracy and high detection efficiency.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide a simple structure, convenient to use, surperficial self-cleaning, improve the detection accuracy degree, detection efficiency is high a power cable insulation defect detects early warning device.
The purpose of the utility model is realized like this: the utility model provides a power cable insulation defect detects early warning device, it includes first pick-up plate and second pick-up plate, first pick-up plate include the flat board, the preceding left and right sides of flat board all be provided with the dead lever, the dead lever preceding all be provided with straining spring, straining spring outside end all be provided with the spring hook, the dead lever outside all be provided with "L" shape structure's spacing seat, spacing seat inside all be provided with the spacing groove of semicircle structure, spacing seat below all be provided with the movable plate, spacing seat preceding corresponding spring hook department all be provided with the peg, first pick-up plate below be provided with the second pick-up plate.
An upper clamping seat is arranged below the front surface of the first detection plate, a lower clamping seat is arranged below the front surface of the second detection plate, and a cable is arranged in a space formed by the upper clamping seat and the lower clamping seat.
The infrared detection device is characterized in that infrared detection probes are arranged on the left side and the right side of the upper clamping seat and the left side and the right side of the lower clamping seat, carbon brushes are arranged on the inner sides of the upper clamping seat and the lower clamping seat, auxiliary wheels are arranged on the left side and the right side of the inner side of the upper clamping seat, a driving wheel is arranged below the front surface of the lower clamping seat, and the driving wheel is connected with a second detection plate through a stabilizing frame.
The movable detection device comprises a first detection plate, a second detection plate and a driving wheel, wherein the left side and the right side of the inner side of the first detection plate are respectively provided with an upright post, hollow plates which are in sliding connection with corresponding movable plates are arranged above the upright posts corresponding to the movable plates, a motor is arranged on the right side of the inner side of the first detection plate, and the motor is connected with the driving wheel through a power mechanism.
The inside left and right sides of second pick-up plate all be provided with first side storehouse and second side storehouse, the inside battery that is provided with in first side storehouse, the inside microprocessor that is provided with in second side storehouse, microprocessor left side upper and lower both sides be provided with hall sensor and infrared receiver respectively, microprocessor upper and lower both sides be provided with data transmission module and GPS locator respectively, first side storehouse and second side storehouse all be provided with communication antenna at the back.
The power mechanism comprises a stabilizing transverse plate, transmission gears are arranged on the left side and the right side of the stabilizing transverse plate and are connected through a transmission toothed belt, the transmission gear on one side of the stabilizing transverse plate is connected with the motor and the driving wheel through a transmission shaft, and the transmission gear on the other side of the stabilizing transverse plate is connected with the driving wheel through a transmission shaft.
And self-cleaning devices are arranged at the back of the upper clamping seat and the back of the lower clamping seat.
The self-cleaning device comprises a support connected with an upper clamping seat and a lower clamping seat respectively, an arc-shaped plate is arranged on the inner side of the support, a cleaning plate is arranged in front of the support, a cleaning head is arranged on the inner side of the cleaning plate, a plurality of cleaning brushes are uniformly arranged on the circumference of the inner side of the cleaning head, the cleaning plate is movably connected with the support through a corresponding movable shaft, and the end part above the cleaning plate is connected with the support through a clamping spring.
The utility model has the advantages that: the utility model relates to a power cable insulation defect detection early warning device, in use, the utility model discloses a closed structure joint that upper cassette of first pick-up plate and lower cassette of second pick-up plate constitute is in the outside of cable for the carbon brush of upper cassette and lower cassette inboard contacts with the surface of cable each other, the starter motor, the motor drives the action wheel rotation through power unit, make it slide in the outside of cable, clean the cable surface through self-cleaning device when sliding, prevent that the filth on cable surface from producing the influence to the measuring result of sensor, also can make power cable surface keep clean, prevent that the epidermis of power cable from being corroded; the device drives the carbon brush to slide outside a cable when moving, and simultaneously drives the infrared detection probes arranged on the inner sides of the upper clamping seat and the lower clamping seat to perform movement detection on the surface of the cable, when the surface of the cable has an insulation defect, current can be monitored by the Hall sensor through the carbon brush and transmitted to the microprocessor, the infrared detection probes transmit detected cable information to the microprocessor through the infrared receiver, the microprocessor controls the motor to stop, the position with the insulation defect on the surface of the cable is positioned through the GPS positioner and is transmitted to a background through the data transmission module and the communication antenna, the position information is conveniently recorded, an operator can conveniently position the insulation defect, and then the detection work can be continued; the utility model has the advantages of simple structure, convenient to use, surperficial self-cleaning, improvement detection accuracy, detection efficiency are high.
Drawings
Fig. 1 is the utility model relates to a power cable insulation defect detects early warning device's elevation.
Fig. 2 is a schematic diagram of a portion of the structure of fig. 1 according to the present invention.
Fig. 3 is a schematic diagram of a portion of the structure of fig. 1 according to the present invention.
Fig. 4 is the utility model relates to a power cable insulation defect detects early warning device's inner structure schematic diagram.
Fig. 5 is the utility model relates to a power cable insulation defect detects early warning device's rear view.
Fig. 6 is a schematic partial structure diagram of fig. 5 according to the present invention.
Fig. 7 is a side view of the present invention from fig. 6.
Fig. 8 is a schematic diagram of a power mechanism of the power cable insulation defect detection early warning device of the present invention.
Fig. 9 is a rear view of fig. 8 according to the present invention.
Fig. 10 is a perspective view of a power mechanism of the power cable insulation defect detection early warning device of the present invention.
In the figure: 1. the device comprises a first detection plate 10, a flat plate 11, a fixed rod 12, a tension spring 13, a spring hook 14, a limit seat 15, a limit groove 16, a moving plate 17, a hanging rod 18, a self-cleaning device 19, an upper clamping seat 110, an auxiliary wheel 2, a second detection plate 21, an upright post 22, a hollow plate 23, a lower clamping seat 24, a driving wheel 241, a stabilizing frame 25, a first side bin 26, a second side bin 27, a storage battery 28, a microprocessor 29, a Hall sensor 210, an infrared receiver 211, a data transmission module 212, a GPS positioner 213, a communication antenna 3, a cable 4, an infrared detection probe 5, a carbon brush 6, a power mechanism 61, a stabilizing transverse plate 62, a transmission gear 63, a transmission toothed belt 64, a transmission shaft 7, a motor 30, a support 31, an arc plate 32, a cleaning plate 33, a cleaning head 34, a cleaning brush 35, a movable shaft 36 and a clamping spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-10, a power cable insulation defect detection early warning device comprises a first detection plate 1 and a second detection plate 2, wherein the first detection plate 1 comprises a flat plate 10, fixing rods 11 are arranged on the left and right sides of the front surface of the flat plate 10, tensioning springs 12 are arranged in front of the fixing rods 11, spring hooks 13 are arranged at the outer ends of the tensioning springs 12, limiting seats 14 in an L-shaped structure are arranged on the outer sides of the fixing rods 11, limiting grooves 15 in a semi-circular arc structure are arranged in the limiting seats 14, a moving plate 16 is arranged below the limiting seats 14, hanging rods 17 are arranged at positions, corresponding to the spring hooks 13, on the front surface of the limiting seats 14, and the second detection plate 2 is arranged below the first detection plate 1.
An upper clamping seat 19 is arranged below the front surface of the first detection plate 1, a lower clamping seat 23 is arranged below the front surface of the second detection plate 2, and a cable 3 is arranged in a space formed by the upper clamping seat 19 and the lower clamping seat 23.
The infrared detection device is characterized in that infrared detection probes 4 are arranged on the left side and the right side above the upper clamping seat 19 and on the left side and the right side below the lower clamping seat 23, carbon brushes 5 are arranged on the inner sides of the upper clamping seat 19 and the lower clamping seat 23, auxiliary wheels 110 are arranged on the left side and the right side of the inner side of the upper clamping seat 19, a driving wheel 24 is arranged below the front surface of the lower clamping seat 23, and the driving wheel 24 is connected with a second detection plate 2 through a stabilizing frame 241.
The utility model relates to a power cable insulation defect detection early warning device, in use, the utility model discloses a closed structure joint that upper cassette 19 of first pick-up plate 1 and lower cassette 23 of second pick-up plate 2 constitute is in the outside of cable 3, make the surface of carbon brush 5 and cable 3 of upper cassette 19 and lower cassette 23 inboard contact each other, start motor 7, motor 7 drives action wheel 24 through power unit 6 and rotates, make it slide in the outside of cable 3, clean cable 3 surface through self-cleaning device 18 when sliding, prevent that the filth on cable 3 surface from producing the influence to the measuring result of sensor, also can make power cable 3 surface keep clean, prevent that the epidermis of power cable 3 from being corroded; the device drives the carbon brush 5 to slide outside the cable 3 when moving, and simultaneously drives the infrared detection probe 4 arranged on the inner sides of the upper clamping seat 19 and the lower clamping seat 23 to perform movement detection on the surface of the cable 3, when the surface of the cable 3 has insulation defects, current can be monitored by the Hall sensor 29 through the carbon brush 5 and is transmitted to the microprocessor 28, the infrared detection probe 4 transmits detected cable information to the microprocessor 28 through the infrared receiver 210, the microprocessor 28 controls the motor 7 to stop, the position with the insulation defects on the surface of the cable is positioned through the GPS positioner 212 and is transmitted to a background through the data transmission module 211 and the communication antenna 213, so that the position information can be conveniently recorded, an operator can conveniently position the insulation defects, and then the detection work can be continued; the utility model has the advantages of simple structure, convenient to use, surface self-cleaning, improve detection accuracy, detection efficiency is high.
Example 2
As shown in fig. 1-10, a power cable insulation defect detection early warning device comprises a first detection plate 1 and a second detection plate 2, wherein the first detection plate 1 comprises a flat plate 10, fixing rods 11 are arranged on the left and right sides of the front surface of the flat plate 10, tensioning springs 12 are arranged in front of the fixing rods 11, spring hooks 13 are arranged at the outer ends of the tensioning springs 12, limiting seats 14 in an L-shaped structure are arranged on the outer sides of the fixing rods 11, limiting grooves 15 in a semi-circular arc structure are arranged in the limiting seats 14, a moving plate 16 is arranged below the limiting seats 14, hanging rods 17 are arranged at positions, corresponding to the spring hooks 13, on the front surface of the limiting seats 14, and the second detection plate 2 is arranged below the first detection plate 1.
An upper clamping seat 19 is arranged below the front surface of the first detection plate 1, a lower clamping seat 23 is arranged below the front surface of the second detection plate 2, and a cable 3 is arranged in a space formed by the upper clamping seat 19 and the lower clamping seat 23.
The infrared detection device is characterized in that infrared detection probes 4 are arranged on the left side and the right side above the upper clamping seat 19 and on the left side and the right side below the lower clamping seat 23, carbon brushes 5 are arranged on the inner sides of the upper clamping seat 19 and the lower clamping seat 23, auxiliary wheels 110 are arranged on the left side and the right side of the inner side of the upper clamping seat 19, a driving wheel 24 is arranged below the front surface of the lower clamping seat 23, and the driving wheel 24 is connected with a second detection plate 2 through a stabilizing frame 241.
The left side and the right side of the inner side of the second detection plate 2 are both provided with upright posts 21, hollow plates 22 which are in sliding connection with the corresponding moving plates 16 are arranged above the upright posts 21 and correspond to the moving plates 16, the right side of the inner side of the second detection plate 2 is provided with a motor 7, and the motor 7 is connected with a driving wheel 24 through a power mechanism 6.
The second detection plate 2 is provided with a first side bin 25 and a second side bin 26 on the left and right sides, a storage battery 27 is arranged inside the first side bin 25, a microprocessor 28 is arranged inside the second side bin 26, a Hall sensor 29 and an infrared receiver 210 are arranged on the upper side and the lower side of the left side of the microprocessor 28 respectively, a data transmission module 211 and a GPS (global positioning system) positioner 212 are arranged on the upper side and the lower side of the microprocessor 28 respectively, and communication antennas 213 are arranged behind the first side bin 25 and the second side bin 26.
The power mechanism 6 comprises a stable transverse plate 61, transmission gears 62 are arranged on the left side and the right side of the stable transverse plate 61, the transmission gears 62 are connected through a transmission toothed belt 63, the transmission gear 62 on one side of the stable transverse plate 61 is connected with the motor 7 and the driving wheel 24 through a transmission shaft 64, and the transmission gear 62 on the other side of the stable transverse plate 61 is connected with the driving wheel 24 through the transmission shaft 64.
And the self-cleaning devices 18 are arranged behind the upper clamping seat 19 and the lower clamping seat 23.
The self-cleaning device 18 comprises a support 30 connected with an upper clamping seat 19 and a lower clamping seat 23 respectively, arc-shaped plates 31 are arranged on the inner sides of the support 30, a cleaning plate 32 is arranged in front of the support 30, cleaning heads 33 are arranged on the inner sides of the cleaning plates 32, a plurality of cleaning brushes 34 are uniformly arranged on the inner sides of the cleaning heads 33, the cleaning plates 32 are movably connected with the support 30 through corresponding movable shafts 35, and the upper end portions of the cleaning plates 32 are connected with the support 30 through clamping springs 36.
In the embodiment, a cable is firstly placed in a lower clamping seat of a second detection plate, then a closed structure formed by the upper clamping seat of the first detection plate and the lower clamping seat of the second detection plate is clamped outside the cable, then a spring hook is connected with a corresponding hanging rod, a movable plate of a limiting seat is driven to move in a hollow plate under the action of a tensioning spring, so that a fixed rod is clamped by a limiting groove, and a flat plate is limited, so that the first detection plate and the second detection plate are stably connected, a driving wheel can be driven by a motor to rotate, the device can walk on the surface of the cable, when the device walks, the self-cleaning device cleans the surface of the cable through a plurality of cleaning brushes on the inner side of a cleaning head, the cleaning head is always kept in contact with the surface of the cable under the action of the clamping spring, the cleaning effect on the surface of the cable is greatly improved, the dirt on the surface of the cable is prevented from influencing the measurement result of a sensor, the accuracy of the measurement result is ensured, the surface of the power cable can be kept clean, and the surface of the power cable is prevented from being corroded; according to the invention, the infrared detection probe and the carbon brush are used for simultaneously detecting the insulation defect on the surface of the cable, so that the detection accuracy can be improved, and the detection efficiency is greatly improved.
The utility model relates to a power cable insulation defect detection early warning device, in use, the utility model discloses a closed structure joint that upper cassette 19 of first pick-up plate 1 and lower cassette 23 of second pick-up plate 2 constitute is in the outside of cable 3, make the surface of carbon brush 5 and cable 3 of upper cassette 19 and lower cassette 23 inboard contact each other, start motor 7, motor 7 drives action wheel 24 through power unit 6 and rotates, make it slide in the outside of cable 3, clean cable 3 surface through self-cleaning device 18 when sliding, prevent that the filth on cable 3 surface from producing the influence to the measuring result of sensor, also can make power cable 3 surface keep clean, prevent that the epidermis of power cable 3 from being corroded; the device drives the carbon brush 5 to slide outside the cable 3 when moving, and simultaneously drives the infrared detection probe 4 arranged on the inner sides of the upper clamping seat 19 and the lower clamping seat 23 to perform movement detection on the surface of the cable 3, when the surface of the cable 3 has insulation defects, current can be monitored by the Hall sensor 29 through the carbon brush 5 and is transmitted to the microprocessor 28, the infrared detection probe 4 transmits detected cable information to the microprocessor 28 through the infrared receiver 210, the microprocessor 28 controls the motor 7 to stop, the position with the insulation defects on the surface of the cable is positioned through the GPS positioner 212 and is transmitted to a background through the data transmission module 211 and the communication antenna 213, so that the position information can be conveniently recorded, an operator can conveniently position the insulation defects, and then the detection work can be continued; the utility model has the advantages of simple structure, convenient to use, surperficial self-cleaning, improvement detection accuracy, detection efficiency are high.

Claims (8)

1. The utility model provides a power cable insulation defect detects early warning device, it includes first pick-up plate and second pick-up plate, its characterized in that: the first detection plate comprises a flat plate, fixing rods are arranged on the left side and the right side of the flat plate, tensioning springs are arranged in front of the fixing rods, spring hooks are arranged at the outer ends of the tensioning springs, limiting seats of an L-shaped structure are arranged on the outer sides of the fixing rods, limiting grooves of a semi-circular arc structure are formed in the limiting seats, movable plates are arranged below the limiting seats, hanging rods are arranged at positions, corresponding to the spring hooks, of the limiting seats, and a second detection plate is arranged below the first detection plate.
2. The power cable insulation defect detection and early warning device of claim 1, characterized in that: an upper clamping seat is arranged below the front surface of the first detection plate, a lower clamping seat is arranged below the front surface of the second detection plate, and a cable is arranged in a space formed by the upper clamping seat and the lower clamping seat.
3. The power cable insulation defect detection and early warning device of claim 2, characterized in that: the infrared detection probe is arranged on the left side and the right side above the upper clamping seat and on the left side and the right side below the lower clamping seat, carbon brushes are arranged on the inner sides of the upper clamping seat and the lower clamping seat, auxiliary wheels are arranged on the left side and the right side of the inner side of the upper clamping seat, a driving wheel is arranged below the front surface of the lower clamping seat, and the driving wheel is connected with a second detection plate through a stabilizing frame.
4. The power cable insulation defect detection and early warning device according to claim 3, characterized in that: the movable detection device comprises a first detection plate, a second detection plate and a driving wheel, wherein the left side and the right side of the inner side of the first detection plate are respectively provided with an upright post, hollow plates which are in sliding connection with corresponding movable plates are arranged above the upright posts corresponding to the movable plates, a motor is arranged on the right side of the inner side of the first detection plate, and the motor is connected with the driving wheel through a power mechanism.
5. The power cable insulation defect detection and early warning device according to claim 4, wherein: the inside left and right sides of second pick-up plate all be provided with first side storehouse and second side storehouse, the inside battery that is provided with in first side storehouse, the inside microprocessor that is provided with in second side storehouse, microprocessor left side upper and lower both sides be provided with hall sensor and infrared receiver respectively, microprocessor upper and lower both sides be provided with data transmission module and GPS locator respectively, first side storehouse and second side storehouse all be provided with communication antenna at the back.
6. The power cable insulation defect detection and early warning device of claim 4, characterized in that: the power mechanism comprises a stabilizing transverse plate, transmission gears are arranged on the left side and the right side of the stabilizing transverse plate and are connected through a transmission toothed belt, the transmission gear on one side of the stabilizing transverse plate is connected with the motor and the driving wheel through a transmission shaft, and the transmission gear on the other side of the stabilizing transverse plate is connected with the driving wheel through a transmission shaft.
7. The power cable insulation defect detection and early warning device of claim 3, characterized in that: and self-cleaning devices are arranged at the back of the upper clamping seat and the back of the lower clamping seat.
8. The power cable insulation defect detection and early warning device of claim 7, characterized in that: the self-cleaning device comprises a support connected with an upper clamping seat and a lower clamping seat respectively, an arc-shaped plate is arranged on the inner side of the support, a cleaning plate is arranged in front of the support, a cleaning head is arranged on the inner side of the cleaning plate, a plurality of cleaning brushes are uniformly arranged on the circumference of the inner side of the cleaning head, the cleaning plate is movably connected with the support through a corresponding movable shaft, and the end part above the cleaning plate is connected with the support through a clamping spring.
CN202222862884.4U 2022-10-28 2022-10-28 Power cable insulation defect detection early warning device Active CN218584706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222862884.4U CN218584706U (en) 2022-10-28 2022-10-28 Power cable insulation defect detection early warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222862884.4U CN218584706U (en) 2022-10-28 2022-10-28 Power cable insulation defect detection early warning device

Publications (1)

Publication Number Publication Date
CN218584706U true CN218584706U (en) 2023-03-07

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Application Number Title Priority Date Filing Date
CN202222862884.4U Active CN218584706U (en) 2022-10-28 2022-10-28 Power cable insulation defect detection early warning device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117329984A (en) * 2023-11-24 2024-01-02 双登电缆股份有限公司 Deformation monitoring device for cable production
CN117871611A (en) * 2024-03-13 2024-04-12 常州彦锋特种线缆有限公司 Detection equipment with safety protection mechanism for cable production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117329984A (en) * 2023-11-24 2024-01-02 双登电缆股份有限公司 Deformation monitoring device for cable production
CN117329984B (en) * 2023-11-24 2024-04-02 双登电缆股份有限公司 Deformation monitoring device for cable production
CN117871611A (en) * 2024-03-13 2024-04-12 常州彦锋特种线缆有限公司 Detection equipment with safety protection mechanism for cable production

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