CN203562749U - High-voltage cable connector accessory with insulation sleeve - Google Patents

High-voltage cable connector accessory with insulation sleeve Download PDF

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Publication number
CN203562749U
CN203562749U CN201320789978.1U CN201320789978U CN203562749U CN 203562749 U CN203562749 U CN 203562749U CN 201320789978 U CN201320789978 U CN 201320789978U CN 203562749 U CN203562749 U CN 203562749U
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CN
China
Prior art keywords
voltage cable
joint
insulating case
annex
tape insulation
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Expired - Lifetime
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CN201320789978.1U
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Chinese (zh)
Inventor
余立刚
贾晓刚
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Zhejiang Tuwei Technology Co ltd
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ZHEJIANG TUWEI POWER TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a high-voltage cable connector accessory with an insulation sleeve. The high-voltage cable connector accessory is disposed at an intermediate connector position between two high-voltage cables or at an outdoor terminal connector position of a high-voltage cable. The insulation sleeve adopts a fully transparent pipe sleeve or a locally transparent pipe sleeve. An optical detector receives infrared energy reflection from the inside of the insulation sleeve and transforms the infrared energy into output signals which are then transmitted to a control instrument or a computer system to receive According to the high-voltage cable connector accessory with the insulation sleeve, since the insulation sleeve is a fully transparent pipe sleeve or a locally transparent pipe sleeve, the rapid transmission of high-level heat radiation energy of the cable connector position is convenient; since the insulation sleeve chooses the silicone rubber material, the insulation sleeve is high-temperature-resistant and is low in cost; and since the infrared temperature measurement is adopted, the high-voltage cable connector temperature measurement and control processing or the insulation sleeve aging degree analysis can be conducted without touching the high-voltage cable conductor wire core or the cable connector, and thus the high-voltage cable connector accessory is simple and rapid n operation, and can perform detection and eliminate hidden hazards of any accident in time.

Description

The high-voltage cable joint annex of tape insulation cover
Technical field
The utility model relates to electric cable accessories, cable thermometry field, is specifically related to a kind of high-voltage cable joint annex, and its insulating case adopts all-transparent pipe box or local transparent pipe box.
Background technology
Power cable generally consists of conductor thread core, insulator, hot sheath, is in operation except conductor thread core can generate heat by electric current, and cable insulation also can produce thermal losses under alternating voltage effect.When cable oepration at full load, core temperature itself is very high, if cable excess load, core temperature further rises and exceedes allowable temperature, and cable insulation is known from experience accelerated ageing, and dielectric thermal breakdown likely occurs.Cable broken-up laying; two ends of the connecting portion of two sections of cables or circuit adopt cable joints to be connected to form a continuous power network line; in power cable power transmission electric network; the bad meeting of cable joint causes contact resistance to increase; aging or the partial discharge of cable of insulated hull own causes cable insulation and joint protective layer to produce amount of heat and fuel gas, very easily produces serious fire.
Upgrading and the power cable manufacturing technology of China's urban distribution network improve constantly at present, and power cable has obtained being widely used in urban distribution network, and particularly the usage quantity of the power cable of voltage levels has occupied larger specific gravity in existing grid equipment.High-tension cable is as electric power system important component part, and it is carried out to on-line monitoring is the important means that ensures power cable reliability service, has very important significance.Operation conditions, operating temperature to high voltage power cable and joint thereof are monitored, can help staff to understand and grasp the insulation status of power cable and joint thereof, calculate and adjust cable load flow, scent a hidden danger ahead of time, avoid the various faults and the accident that by power cable and joint thereof, are caused.Cable joint is as depicted in figs. 1 and 2 the cable joint internal structure of built-in thermal detector in prior art, employing direct contact type thermometric mode.
The Chinese utility model patent that and for example publication number is CN202024833U, it discloses a kind of cable joint accurate temperature measurement device based on radio-frequency technique, this device comprises built-in thermal detector and external receiver two parts, as shown in Figure 1, built-in thermal detector is measured the temperature on cable joint or heart yearn surface by direct contact type method of measurement, by REID, data are penetrated to insulating barrier and be transferred to external receiver, external receiver provides electric energy by radiofrequency signal to built-in thermal detector simultaneously, solved the powerup issue of built-in thermal detector, this device volume is little, applicability is strong, but it is arranged on inside, inconvenient operation, the nontransparent structure of insulating case, the temperature of method that cannot be by photo measure to its inside, degree of aging is measured and is analyzed.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of high-voltage cable joint annex, its insulating case is all-transparent pipe box or local transparent pipe box, infrared temperature measurement apparatus is aimed at high-voltage cable joint core, or be to be only placed near high-tension cable core, the infrared energy that cable joint position gives off can reflex to outside by the transparent position of insulating case, photo-detector receives infrared energy and is converted to output signal and transfers to control instrument or computer system, carries out cable temperature observing and controlling processing or the analysis of insulating case degree of aging.
To achieve these goals, the utility model adopts following technical scheme.
A high-voltage cable joint annex for tape insulation cover, connects for the cable line joint of high-tension electricity electrical network, and insulating case is all-transparent pipe box or local transparent pipe box; The high-voltage cable joint accessories apparatus of tape insulation cover is in high-tension cable outdoor terminal joint area or two high-voltage cable transition joint positions.
Preferably, the hollow circular cylinder that described insulating case is inner wall smooth.
In above-mentioned arbitrary technical scheme, preferably, the transparent material that described insulating case adopts adopts at least one in silastic material or ethylene-propylene rubber material.
In above-mentioned arbitrary technical scheme, preferably, it is installed on high-tension cable outdoor terminal joint area, and described insulating case adopts all-transparent pipe box, and its pipe box outer wall layer is for being evenly distributed with multiple projection laciniations.
In above-mentioned arbitrary technical scheme preferably, the outer wall device one light source sending and receiving device or of pipe box of described insulating case carries the minisize pick-up head of infrared light supply, so that the high potential thermal radiation energy in insulating case outwards reflects transmission or image transmitting, realize temperature fast detecting or the aging detection of insulating case at high-voltage cable joint position.
In above-mentioned arbitrary technical scheme, preferably, described light source sending and receiving device or the minisize pick-up head that carries infrared light supply are to paste or the mode that bundlees is installed on insulating case pipe box outer wall, and it also has a data wiring.
In above-mentioned arbitrary technical scheme preferably, described insulating case and light source sending and receiving device or the minisize pick-up head that carries infrared light supply in the assemble sequence of high-tension cable outdoor terminal joint area are: insulating case is sleeved on hv cable termination joint area, carries the minisize pick-up head of infrared light supply at insulating case pipe box outer wall device one light source sending and receiving device or.
In above-mentioned arbitrary technical scheme, preferably, it is installed on two high-voltage cable transition joint positions, and described insulating case adopts all-transparent pipe box or local transparent pipe box.
In above-mentioned arbitrary technical scheme preferably, the outer wall device one light source sending and receiving device of the pipe box of described insulating case or carry the minisize pick-up head of infrared light supply, so that the high potential thermal radiation energy in insulating case outwards reflects transmission or image transmitting, realize temperature fast detecting or the aging detection of insulating case at two high-voltage cable transition joint positions.
In above-mentioned arbitrary technical scheme, preferably, described light source sending and receiving device or the minisize pick-up head that carries infrared light supply are to paste or the mode of binding is installed on insulating case outer wall, and it also has a data wiring.
In above-mentioned arbitrary technical scheme, preferably, the high-voltage cable joint annex that is installed on the tape insulation cover at two high-voltage cable transition joint positions also has a copper connecting tube, a radome, a semi-conductive tape, a metal grounding network, a waterstop, a joint metal shell, a heat-shrink tube.
In above-mentioned arbitrary technical scheme, preferably, the metal material that described radome adopts is copper.
In above-mentioned arbitrary technical scheme, preferably, described joint metal shell is provided with aperture, and the data wiring of light source sending and receiving device or the data wiring that carries the minisize pick-up head of infrared light supply are drawn from aperture.
In above-mentioned arbitrary technical scheme, preferably, described insulating case, light source sending and receiving device or the minisize pick-up head, copper connecting tube, radome, semi-conductive tape, metal grounding network, waterstop, joint metal shell, the heat-shrink tube that carry infrared light supply in the assemble sequence at two high-voltage cable transition joint positions are: described copper connecting tube is installed on two high-voltage cable transition joint positions; The outside of described copper connecting tube installs radome additional; Described radome outside installs insulating case additional, and the outer wall device one light source sending and receiving device or of insulating case carries the minisize pick-up head of infrared light supply; Described insulating case outer wall is also wound around parcel semi-conductive tape, metal grounding network, waterstop successively, and overlaps joint metal shell; On described joint metal shell, be set with again heat-shrink tube.
In above-mentioned arbitrary technical scheme, preferably, two ends, the described copper connecting tube left and right mouth of pipe embeds respectively high-voltage cable, and two high-voltage cable joint areas are done to cold pressing treatment.
In above-mentioned arbitrary technical scheme, preferably, between described joint metal shell and insulating case, pour into dielectric fluid material.
In above-mentioned arbitrary technical scheme, preferably, described dielectric fluid material can be selected AB glue.
In addition, the invention also discloses a kind of high-voltage cable joint infrared measurement of temperature method, the high-voltage cable joint annex of the method based on above-mentioned disclosed tape insulation cover.
In high-tension electricity electrical network, Voltage Cable Lines Construction outdoor terminal joint area device or two high-voltage cable middle joint position devices have high-voltage cable joint annex as described above, infrared temperature measurement apparatus has power module, photo-detector, data storage modular converter and display device, power module, photo-detector, data storage modular converter, display device interconnect, adopt infrared temperature measurement apparatus to detect the joint electric heating point on high-voltage cable, this high-voltage cable joint infrared measurement of temperature method comprises:
Two high-voltage cable transition joint positions are closely aimed in photo-detector position on infrared temperature measurement apparatus and measure, or measure near being only placed in Voltage Cable Lines Construction outdoor terminal joint; The infrared energy that high-voltage cable joint position gives off directly reflexes to outside by the transparent position of insulating case, and photo-detector receives infrared energy and is converted to signal of telecommunication output; The data storage modular converter that the signal of telecommunication carries by infrared temperature measurement apparatus carries out, after signal conversion and processing, with digital signal output, and carrying out real time temperature demonstration by carrying display device.
In above-mentioned arbitrary technical scheme, preferably, described infrared temperature measurement apparatus also has buzzer, and buzzer one end connects power module, other end connection data storage modular converter, and high-voltage cable joint temperature exceedes storage set point, and buzzer triggers.
In above-mentioned arbitrary technical scheme, preferably, described infrared temperature measurement apparatus also has data-interface.
Control instrument or computer are connected with the data-interface of infrared temperature measurement apparatus by data wire, receive the digital signal of infrared temperature measurement apparatus conversion output, the insulating case degree of aging that high-voltage cable joint temperature is carried out to flash ranging control processing or high-voltage cable joint annex detects analysis.
In above-mentioned arbitrary technical scheme preferably, described infrared temperature measurement apparatus also has imaging system and minisize pick-up head, imaging system is connected with minisize pick-up head and photo-detector, Multi-media image processing equipment is connected with the data-interface of infrared temperature measurement apparatus by data wire, receive the digital signal of infrared temperature measurement apparatus conversion output, the thermal infrared images of instant playback high-voltage cable joint and thermal infrared radiation Energy distribution situation, the insulating case degree of aging that high-voltage cable joint temperature is carried out to spectrum analysis and high-voltage cable joint annex detects analysis.
In high-tension electricity electrical network, Voltage Cable Lines Construction outdoor terminal joint area or two high-voltage cable transition joint positions adopt high-voltage cable joint to connect, the insulating case of high-voltage cable joint annex adopts all-transparent pipe box or local transparent pipe box, with infrared temperature measurement apparatus aligning high-voltage cable joint annex position, or be only that infrared temperature measurement apparatus is placed near high-voltage cable joint, the infrared energy of its radiation can directly reflex to outside by the transparent position of insulating case, photo-detector receives infrared energy and carries out temperature demonstration, and further infrared energy is converted to output signal and transfers to control instrument or computer system, carry out cable temperature observing and controlling processing or the analysis of insulating case degree of aging.
The high-voltage cable joint annex of tape insulation cover of the present utility model, its insulating case is all-transparent pipe box or local transparent pipe box, be convenient to the fast transport of cable joint position high potential thermal radiation energy, insulating case is selected silastic material or ethylene-propylene rubber material, high temperature resistant and cost is low; Adopt infrared measurement of temperature method, do not need to contact high-tension cable conductor thread core or cable joint and can carry out the processing of high-voltage cable joint measurement and control of temperature or the analysis of insulating case degree of aging, easy and simple to handle quick, can detect in time and eliminate accident potential.
Accompanying drawing explanation
Fig. 1 and Fig. 2 are the built-in thermal detector of prior art the cable joint internal structure schematic diagram that adopts direct contact type thermometric mode;
Fig. 3 is according to the high-voltage cable joint annex insulating case schematic diagram that is installed on two high-voltage cable middle joint positions of a preferred embodiment of the high-voltage cable joint annex of tape insulation cover of the present utility model;
Fig. 4 is according to the high-voltage cable joint annex schematic cross-section that is installed on two high-voltage cable middle joint positions of a preferred embodiment of the high-voltage cable joint annex of tape insulation cover of the present utility model;
Fig. 5 is according to the high-voltage cable joint annex insulating case schematic diagram that is installed on high-tension cable outdoor terminal joint area of a preferred embodiment of the high-voltage cable joint annex of tape insulation cover of the present utility model;
Fig. 6 is according to the high-voltage cable joint infrared measurement of temperature principle schematic of a preferred embodiment of the high-voltage cable joint annex of tape insulation cover of the present utility model;
Fig. 7 is according to the high-voltage cable joint infrared measurement of temperature method block diagram of a preferred embodiment of the high-voltage cable joint annex of tape insulation cover of the present utility model;
Reference numeral:
1. high-voltage cable, 2. copper connecting tube, 3. radome, 4. insulating case, 5. metal grounding network, 6. joint metal shell, 7. heat-shrink tube, 8. high-voltage cable joint, 9. infrared energy, 10. infrared temperature measurement apparatus, 11. data storage modular converters, 12. data-interfaces, 13. power modules, 14. photo-detectors, 15. display devices, 16. buzzers, 17. light source sending and receiving devices, 18. semi-conductive tapes, 19. waterstops, 20. imaging systems, 21. minisize pick-up heads, 22. built-in thermal detectors, 23. external receivers, 24. radio-frequency antennas, 25. insulating sleeves, 26. copper shields, 27. wires, 28. temp probes, 29. radio frequency induction coils, 30. built-in thermal detector circuit modules, 31. side position antenna holes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated, below describe only conduct demonstration and explain, the utility model is not done to any pro forma restriction.
In high-tension electricity gauze, cable line joint area adopts high-voltage cable joint annex to connect, high-voltage cable joint annex comprises an insulating case, this insulating case adopts silastic material or ethylene-propylene rubber material to make all-transparent pipe box or local transparent pipe box, is convenient to temperature of cable junction by the method butt joint annex inside of photo measure, ageing of insulation degree etc. and measures and analyze.Silastic material or ethylene-propylene rubber material have more stable chemical constitution, and insulation and moisture has good cementability to metal material, under 60~+ 200 ℃ of temperature range states of high temperature resistant severe cold , –, still can keep certain intensity and elasticity.
As shown in Figure 3, insulating case 4 is the coarse all-transparent of inner wall smooth, outer wall or local transparent hollow circular cylinder structure pipe box, assemblies joint accessories apparatus in two high-voltage cable transition joint positions with copper connecting tube 2, radome 3, semi-conductive tape 18, metal grounding network 5, waterstop 19, joint metal shell 6, heat-shrink tube 7 etc.The outer wall device one light source sending and receiving device 17 of insulating case 4, the high potential thermal radiation energy of being convenient in insulating case 4 outwards reflects transmission by the transparent position of insulating case, realizes temperature fast detecting and the aging detection of insulating case at two high-voltage cable transition joint positions.Light source sending and receiving device 17 is installed on insulating case 4 outer walls in the mode of pasting or bundle, and it has a data wiring.This insulating case 4 and light source sending and receiving device 17, and copper connecting tube 2, radome 3, semi-conductive tape 18, metal grounding network 5, waterstop 19, joint metal shell 6, heat-shrink tube 7 are in the assemble sequence at two high-voltage cable transition joint positions as shown in Figure 4:
Copper connecting tube 2 is installed on two high-voltage cables, 1 transition joint position; The outside of copper connecting tube 2 installs radome 3 additional; Radome 3 outsides install insulating case 4 additional, the outer wall device one light source sending and receiving device 17 of insulating case 4; Insulating case 4 outer walls are also wound around parcel semi-conductive tape 18, metal grounding network 5, waterstop 19 successively, and overlap joint metal shell 6 and heat-shrink tube 7.Copper connecting tube 2 two ends, the left and right mouths of pipe embed respectively high-voltage cable 1, then two high-voltage cable joint areas are done to cold pressing treatment.
Wherein, the metal material that radome 3 is selected is copper; Joint metal shell 6 is provided with aperture, and the data wiring of light source sending and receiving device 17 is drawn from aperture; Between joint metal shell 6 and insulating case 4, pour into dielectric fluid material, such as AB glue, except reinforced insulation, increase security performance, can also strengthen creepage distance, prevent high-voltage arc discharge, protection cable.
As shown in Figure 5, insulating case also can be processed into inner wall smooth, outer wall is evenly distributed with the jagged all-transparent hollow circular cylinder of multiple projections structure pipe box, and on-line equipment is in high-tension cable outdoor terminal joint area.The outer wall device one light source sending and receiving device of insulating case, the high potential thermal radiation energy of being convenient in insulating case outwards reflects transmission, realizes temperature fast detecting and the aging detection of insulating case at high-voltage cable joint position.Light source sending and receiving device is installed on insulating case outer wall in the mode of pasting or bundle, and it has a data wiring.This insulating case and light source generator in the assemble sequence of high-tension cable outdoor terminal joint area are:
Insulating case is sleeved on hv cable termination joint area, wall device one light source sending and receiving device outside insulating case.
In high-tension electricity electrical network, as shown in Figure 6, high-voltage cable joint 8, be Voltage Cable Lines Construction outdoor terminal joint area or two high-voltage cable middle joint positions, device has high-voltage cable joint annex as described above, infrared temperature measurement apparatus 10 has power module 13, photo-detector 14, data storage modular converter 11 and display device 15, power module 13, photo-detector 14, data storage modular converter 11, display device 15 interconnects, adopt infrared temperature measurement apparatus 10 to detect the joint electric heating point on high-tension cable, as shown in Figure 7, this high-voltage cable joint infrared measurement of temperature method comprises:
A. the photo-detector position on infrared temperature measurement apparatus is closely aimed to two high-voltage cable transition joint positions and measured, or measure near being only placed in Voltage Cable Lines Construction outdoor terminal joint;
B. the infrared energy 9 that high-voltage cable joint position gives off directly reflexes to outside by the transparent position of insulating case, and photo-detector receives infrared energy and is converted to signal of telecommunication output;
C. the data storage modular converter that the signal of telecommunication carries by infrared temperature measurement apparatus carries out, after signal conversion and processing, with digital signal output, and carrying out real time temperature demonstration by carrying display device.
Wherein, infrared temperature measurement apparatus 10 can also configure buzzer 16, and buzzer 16 one end connect power module 13, other end connection data storage modular converter 11, and high-voltage cable joint 8 temperature exceed storage set point, and buzzer 16 triggers.
Infrared temperature measurement apparatus 10 can also dispose data-interface 12.
Control instrument or computer are connected with the data-interface 12 of infrared temperature measurement apparatus 10 by data wire, receive the digital signal of infrared temperature measurement apparatus 10 conversion outputs, the insulating case degree of aging that high-voltage cable joint 8 temperature is carried out to flash ranging control processing or high-voltage cable joint annex detects analysis;
Infrared temperature measurement apparatus 10 also has imaging system 20 and minisize pick-up head 21.
Imaging system 20 is connected with minisize pick-up head 21 and photo-detector 14, Multi-media image processing equipment is connected with the data-interface 12 of infrared temperature measurement apparatus 10 by data wire, receive the digital signal of infrared temperature measurement apparatus 10 conversion outputs, the thermal infrared images of instant playback high-voltage cable joint and thermal infrared radiation Energy distribution situation, the insulating case degree of aging that high-voltage cable joint 8 temperature is carried out to spectrum analysis and high-voltage cable joint annex detects analysis.
The above is only that preferred implementation of the present utility model is described; not that scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model, all should fall in the definite protection range of claims of the present utility model.

Claims (17)

1. a high-voltage cable joint annex for tape insulation cover, connects for the cable line joint of high-tension electricity electrical network, it is characterized in that: described insulating case is all-transparent pipe box or local transparent pipe box; The high-voltage cable joint accessories apparatus of tape insulation cover is in high-tension cable outdoor terminal joint area or two high-voltage cable transition joint positions.
2. the high-voltage cable joint annex of tape insulation cover as claimed in claim 1, is characterized in that: the hollow circular cylinder that described insulating case is inner wall smooth.
3. the high-voltage cable joint annex of tape insulation cover as claimed in claim 1, is characterized in that: the transparent material that described insulating case adopts adopts at least one in silastic material or ethylene-propylene rubber material.
4. the high-voltage cable joint annex of tape insulation cover as claimed in claim 1, it is characterized in that: it is installed on high-tension cable outdoor terminal joint area, described insulating case adopts all-transparent pipe box, and its pipe box outer wall layer is for being evenly distributed with multiple projection laciniations.
5. the high-voltage cable joint annex of tape insulation cover as claimed in claim 4, it is characterized in that: the outer wall device one light source sending and receiving device or of pipe box of described insulating case carries the minisize pick-up head of infrared light supply, so that the high potential thermal radiation energy in insulating case outwards reflects transmission or image transmitting, realize temperature fast detecting or the aging detection of insulating case at high-voltage cable joint position.
6. the high-voltage cable joint annex of tape insulation cover as claimed in claim 5, it is characterized in that: described light source sending and receiving device or the minisize pick-up head that carries infrared light supply are to paste or the mode that bundlees is installed on insulating case pipe box outer wall, and it also has a data wiring.
7. the high-voltage cable joint annex of the cover of the tape insulation as described in any one in claim 1,4 or 5, it is characterized in that: described insulating case and light source sending and receiving device or the minisize pick-up head that carries infrared light supply are configured in the assemble sequence of high-tension cable outdoor terminal joint area: described insulating case is sleeved on hv cable termination joint area, carries the minisize pick-up head of infrared light supply at insulating case pipe box outer wall device one light source sending and receiving device or.
8. the high-voltage cable joint annex of tape insulation cover as claimed in claim 1, is characterized in that: it is installed on two high-voltage cable transition joint positions, and described insulating case adopts all-transparent pipe box or local transparent pipe box.
9. the high-voltage cable joint annex of tape insulation cover as claimed in claim 8, it is characterized in that: the outer wall device one light source sending and receiving device of the pipe box of described insulating case or carry the minisize pick-up head of infrared light supply, so that the high potential thermal radiation energy in insulating case outwards reflects transmission or image transmitting, realize temperature fast detecting or the aging detection of insulating case at two high-voltage cable transition joint positions.
10. the high-voltage cable joint annex of tape insulation cover as claimed in claim 9, it is characterized in that: described light source sending and receiving device or the minisize pick-up head that carries infrared light supply are to paste or the mode of binding is installed on insulating case outer wall, and it also has a data wiring.
11. the high-voltage cable joint annex of tape insulation cover as claimed in claim 8, is characterized in that: the high-voltage cable joint annex that is installed on the tape insulation cover at two high-voltage cable transition joint positions also has a copper connecting tube, a radome, a semi-conductive tape, a metal grounding network, a waterstop, a joint metal shell, a heat-shrink tube.
The high-voltage cable joint annex of 12. tape insulation covers as claimed in claim 11, is characterized in that: the metal material that described radome adopts is copper.
The high-voltage cable joint annex of 13. tape insulation covers as claimed in claim 11, it is characterized in that: described joint metal shell is provided with aperture, the data wiring of light source sending and receiving device or the data wiring that carries the minisize pick-up head of infrared light supply are drawn from aperture.
The high-voltage cable joint annex of 14. tape insulation as described in any one in claim 1,8,9 or 11 covers, is characterized in that: described insulating case, light source sending and receiving device or the minisize pick-up head, copper connecting tube, radome, semi-conductive tape, metal grounding network, waterstop, joint metal shell, the heat-shrink tube that carry infrared light supply are configured in the assemble sequence at two high-voltage cable transition joint positions: described copper connecting tube is installed on two high-voltage cable transition joint positions; The outside of described copper connecting tube installs radome additional; Described radome outside installs insulating case additional, and the outer wall device one light source sending and receiving device or of insulating case carries the minisize pick-up head of infrared light supply; Described insulating case outer wall is also wound around parcel semi-conductive tape, metal grounding network, waterstop successively, and overlaps joint metal shell; On described joint metal shell, be set with again heat-shrink tube.
The high-voltage cable joint annex of 15. tape insulation covers as claimed in claim 14, is characterized in that: two ends, the described copper connecting tube left and right mouth of pipe embeds respectively high-voltage cable, and two high-voltage cable joint areas are done to cold pressing treatment.
The high-voltage cable joint annex of 16. tape insulation covers as claimed in claim 14, is characterized in that: between described joint metal shell and insulating case, pour into dielectric fluid material.
The high-voltage cable joint annex of 17. tape insulation covers as claimed in claim 16, is characterized in that: described dielectric fluid material can be selected AB glue.
CN201320789978.1U 2013-12-05 2013-12-05 High-voltage cable connector accessory with insulation sleeve Expired - Lifetime CN203562749U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103618279A (en) * 2013-12-05 2014-03-05 浙江图维电力科技有限公司 High-voltage cable connector accessory provided with insulation sleeve and infrared temperature measurement method thereof
CN108054679A (en) * 2017-11-21 2018-05-18 东阳市光明电力建设有限公司 A kind of high-tension cable ditch cable laying auxiliary probe installed using helicitic texture
CN108269651A (en) * 2018-01-18 2018-07-10 浙江图维科技股份有限公司 A kind of wrapped method of semi-conductive tape and semi-conductive tape in high-voltage cable joint

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103618279A (en) * 2013-12-05 2014-03-05 浙江图维电力科技有限公司 High-voltage cable connector accessory provided with insulation sleeve and infrared temperature measurement method thereof
CN103618279B (en) * 2013-12-05 2016-05-25 浙江图维科技股份有限公司 High-voltage cable joint annex and the infrared measurement of temperature method thereof of tape insulation cover
CN108054679A (en) * 2017-11-21 2018-05-18 东阳市光明电力建设有限公司 A kind of high-tension cable ditch cable laying auxiliary probe installed using helicitic texture
CN108269651A (en) * 2018-01-18 2018-07-10 浙江图维科技股份有限公司 A kind of wrapped method of semi-conductive tape and semi-conductive tape in high-voltage cable joint
CN108269651B (en) * 2018-01-18 2024-04-26 浙江图维科技股份有限公司 Semi-conductive belt and wrapping method of semi-conductive belt in high-voltage cable connector

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