CN211957210U - Crosslinked polyethylene insulated control cable - Google Patents
Crosslinked polyethylene insulated control cable Download PDFInfo
- Publication number
- CN211957210U CN211957210U CN202020765783.3U CN202020765783U CN211957210U CN 211957210 U CN211957210 U CN 211957210U CN 202020765783 U CN202020765783 U CN 202020765783U CN 211957210 U CN211957210 U CN 211957210U
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- retardant
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- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 23
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 23
- 239000003063 flame retardant Substances 0.000 claims abstract description 77
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 238000011049 filling Methods 0.000 claims abstract description 6
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 77
- 230000000694 effects Effects 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 229950011008 tetrachloroethylene Drugs 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000009365 direct transmission Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- -1 perchloroethylene, perchloroethylene Chemical group 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a crosslinked polyethylene insulated control cable, which relates to the technical field of plastic insulated control cables and comprises a plurality of flame-retardant separators which are dispersedly extended along the center, and a cable core is also arranged between two adjacent flame-retardant separators; the fire-retardant isolation pieces are coated with fire-retardant layers together, silicon rubber filling bodies are filled between the fire-retardant isolation pieces and the fire-retardant layers, and the fire-retardant layers are sequentially coated with shielding layers, coating sleeves, fire-retardant layers and sheath layers; a plurality of rolling balls are embedded in the coating sleeve and are matched with the flame-retardant layer in a rolling manner; and an elastic supporting piece is also arranged between the flame-retardant layer and the sheath layer. The utility model discloses make cable fire resistance be several times of other ordinary cables, provide fire resistance, the fire resistance of cable greatly for cable life improves greatly in the conflagration, and the time of use also improves greatly, prevents effectively that the outage situation from appearing in equipment, guarantees equipment normal use.
Description
Technical Field
The utility model relates to a plastics insulation control cable technical field particularly, relates to a crosslinked polyethylene insulation control cable.
Background
With the rapid development of social economy, the control cable is one of the cables, the cable is made of one or more mutually insulated conductors and an outer insulating protective layer, electric power or information is transmitted to a lead at another place from one place, the control cable is suitable for industrial and mining enterprises, energy traffic departments, and occasions such as control and protection circuits with the alternating current rated voltage of 450/750 volts, and the control cable has the characteristics of moisture resistance, corrosion resistance, damage resistance and the like, and can be laid in tunnels or cable ducts.
Power cables are used in power system trunks to transmit and distribute high power electrical energy, and control cables transmit electrical energy directly from distribution points in the power system to power connection lines of various consumer appliances. The rated voltage of the power cable is generally 0.6/1kV or more, and the control cable is mainly 450/750V. The same size power cable and control cable are produced with a thicker insulation and jacket than the control cable. At present, in the use process of a cable, if a fire accident occurs, the fire resistance of the cable is poor, a circuit is damaged, a power failure accident occurs, and a major accident is caused to a power station, a transformer substation or a large industrial and mining enterprise.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crosslinked polyethylene insulated control cable has solved current control cable and has aroused control cable because of the fire resistance is poor in the in-service use and last high fever, avoids causing harmful effects because of the circuit damages.
For realizing the purpose of the utility model, the technical proposal adopted is that: a crosslinked polyethylene insulation control cable comprises a plurality of flame-retardant separators which are dispersedly extended along the center, and a cable core is also arranged between every two adjacent flame-retardant separators; the fire-retardant isolation pieces are coated with fire-retardant layers together, silicon rubber filling bodies are filled between the fire-retardant isolation pieces and the fire-retardant layers, and the fire-retardant layers are sequentially coated with shielding layers, coating sleeves, fire-retardant layers and sheath layers; a plurality of rolling balls are embedded in the coating sleeve and are matched with the flame-retardant layer in a rolling manner; and an elastic supporting piece is also arranged between the flame-retardant layer and the sheath layer.
Further, the flame-retardant insulation piece also comprises a center ring, and the flame-retardant insulation piece extends along the radial direction of the center ring; and a steel strand is also arranged in the central ring.
Furthermore, still fixed mounting has a plurality of bed courses on the coating cover outer wall, and a plurality of bed courses are evenly arranged along the axial interval of coating cover outer wall circumference, and the ball inlays the dress on the bed course.
Furthermore, the cushion layer is also provided with a mounting hole, the ball is arranged in the mounting hole in a rolling manner, and the depth of the mounting hole is greater than one half of the diameter of the ball.
Furthermore, the fireproof layer is a vinyl chloride layer and a perchloroethylene layer coated outside the vinyl chloride layer.
Furthermore, the elastic support part is arc-shaped, and the elastic support part and the flame-retardant layer are of an integral structure.
Furthermore, the shielding layer is woven by copper strips.
Furthermore, a waterproof sealant is arranged between the flame-retardant layer and the sheath layer.
Further, the sheath layer is a fluorocarbon rubber layer.
Further, the cable core is formed by the transposition of many insulation core that blocks water, and the cable core still coats outward and has the crosslinked polyethylene insulating layer, and the crosslinked polyethylene insulating layer has the alkali-free glass cloth braid over braid of environmental protection high fire-retardant around the package.
The utility model has the advantages that,
the utility model discloses a cooperation of fire-retardant layer and flame retardant coating for the cable is fire resistance several times of other ordinary cables, provides fire resistance, the incombustibility of cable greatly, makes cable life improve greatly in the conflagration, and the time of using also improves greatly, prevents effectively that the outage situation from appearing in equipment, guarantees equipment normal use.
The utility model discloses an inlay the dress ball on the cladding cover, make the cable when being twined, certain rotation is done on the relative fire-retardant layer of cladding cover ability to effectively reduce the cable core impaired or fracture because of the winding when the winding, thereby make the cable can keep normal use, make the life of cable obtain guaranteeing.
The utility model discloses a still install elastic support piece between fire-retardant layer and restrictive coating, make the cable when receiving pressure production deformation, elastic support piece can absorb pressure, has avoided pressure direct transmission to give the cable core to play the cushioning effect to the cable core, increased the anti extrusion ability of cable.
Drawings
Fig. 1 is a schematic structural diagram of a crosslinked polyethylene insulated control cable provided by the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Reference numbers and corresponding part names in the drawings:
1. the cable comprises a flame-retardant isolating piece, 2, a cable core, 3, a fireproof layer, 4, a silicon rubber filling body, 5, a shielding layer, 6, a covering sleeve, 7, a flame-retardant layer, 8, a sheath layer, 9, balls, 10, an elastic supporting piece, 11, a center ring, 12, a steel strand, 13, a cushion layer, 14 and mounting holes;
2a, a cross-linked polyethylene insulating layer and 2b, an environment-friendly high-flame-retardant alkali-free glass cloth woven belt.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the cross-linked polyethylene insulated control cable provided by the present invention comprises a plurality of flame retardant spacers 1 dispersedly extending along the center, and a cable core 2 is further installed between two adjacent flame retardant spacers 1; the fire-retardant isolation pieces 1 are coated with fire-retardant layers 3, and silicon rubber filling bodies 4 are filled between the fire-retardant isolation pieces 1 and the fire-retardant layers 3; and the fireproof layer 3 is also sequentially coated with a shielding layer 5, a coating sleeve 6, a flame-retardant layer 7 and a sheath layer 8; a plurality of rolling balls 9 are embedded on the coating sleeve 6, and the rolling balls 9 are matched with the flame-retardant layer 7 in a rolling manner; and an elastic supporting piece 10 is also arranged between the flame-retardant layer 7 and the sheath layer 8.
The flame-retardant separators 1 are uniformly dispersed at intervals along the center, the flame-retardant separators 1 are made of flame-retardant materials, and the angles between two adjacent flame-retardant separators are equal, so that after the cable cores 2 are installed, the distance between two adjacent cable cores 2 is equal, and therefore after the cable is used for a long time, the heat distribution of the cable is more uniform, and spontaneous combustion of the cable due to heat concentration is effectively prevented; the flame-retardant separator 1 can separate the two cable cores 2, so that heat of the two adjacent cable cores 2 is prevented from being directly transferred, and the adjacent cable cores 2 are prevented from being damaged when one cable core 2 is on fire.
The extension section of the flame-retardant isolating piece 1 is fixedly arranged with the inner wall of the fireproof layer 3, and the flame-retardant isolating piece 1 can support the fireproof layer 3, so that the structure of the fireproof layer 3 is more stable, and the cable is effectively prevented from deforming when being stressed; by filling the silicon rubber filler 4, the flame retardant, oxygen and fire insulation performance of the cable is effectively improved.
The shielding layer 5 can effectively shield electromagnetic interference, and the shielding layer 5 can effectively increase the strength of the cable, so that the service life of the cable is longer; the coating sleeve 6 is used for coating the shielding layer 5, so that the interior of the cable is more compact, the interior of the cable is integrated, and the internal structure of the cable is firmer; the flame-retardant layer 7 can effectively prevent the cable from burning in a fire; sheath layer 8 can improve the wearability of cable, prevents that the cable from pulling the in-process fracture for a long time.
The rolling ball 9 is embedded in the coating sleeve 6, and the ball 9 is matched with the flame-retardant layer 7 in a rolling manner, so that when the cable is wound, the coating sleeve 6 can rotate to a certain degree relative to the flame-retardant layer 7, the damage or fracture of the cable core 2 caused by winding when the cable is wound is effectively reduced, the cable can be normally used, and the service life of the cable is ensured.
The crosslinked polyethylene insulated control cable further comprises a center ring 11, and the flame-retardant spacer 1 extends along the radial direction of the center ring 11; a steel strand 12 is also arranged in the central ring 11; the central ring 11 and the flame-retardant isolating piece 1 are of an integral structure, and the central ring 11 and the flame-retardant isolating piece 1 are made of the same material, so that the cable is more convenient to produce; the inner ends of the flame-retardant spacers 1 are fixed with the central ring 11, so that the flame-retardant spacers 1 are more stably installed; through installation steel strand wires 12 in center ring 11 to the intensity of cable has been increased, prevents effectively that the cable from splitting when being dragged, makes the tensile strength of cable improve greatly.
The outer wall of the coating sleeve 6 is also fixedly provided with a plurality of cushion layers 13, the cushion layers 13 are uniformly distributed at intervals along the circumferential axial direction of the outer wall of the coating sleeve 6, and the balls 9 are embedded on the cushion layers 13; the cushion layer 13 is arc-shaped, and the cushion layer 13 is fixed on the outer wall of the coating sleeve 6; the cushion layer 13 and the coating sleeve 6 are in an integral structure, so that the thickness of the coating sleeve 6 is increased, and the installation space of the ball 9 is larger; arrange through making a plurality of bed course 13 intervals, make to be hollow form between two adjacent bed courses 13, reduced the transmission of heat energy to play thermal-insulated effect, prevented that the cable from external heat transfer when the higher environment of temperature is used for cable core 2.
The cushion layer 13 is also provided with a mounting hole 14, the ball 9 is arranged in the mounting hole 14 in a rolling manner, and the depth of the mounting hole 14 is more than one half of the diameter of the ball 9; the mounting holes 14 are uniformly distributed on the cushion layer 13, so that the balls 9 are uniformly distributed after mounting, the relative movement between the coating sleeve 6 and the flame-retardant layer 7 is easier, the supporting force on the flame-retardant layer 7 is more uniform, and the cable is prevented from deforming; the depth of the mounting hole 14 is larger than one half of the diameter of the ball 9, so that after the ball 9 is mounted in the mounting hole 14, the ball 9 cannot directly fall off from the mounting hole 14, and the ball 9 is mounted more stably.
The fireproof layer 3 is a vinyl chloride layer and a perchloroethylene layer coated outside the vinyl chloride layer, wherein the polyvinyl chloride layer is filled with polyvinyl chloride, the polyvinyl chloride is yellowish and semitransparent and has luster, and the polyvinyl chloride has good heat resistance, toughness and ductility; the perchloroethylene layer is filled with perchloroethylene, perchloroethylene generally refers to tetrachloroethylene, tetrachloroethylene is a nonflammable liquid at room temperature, and the perchloroethylene layer are matched to enhance the fireproof performance of the cable and improve the use safety of the cable.
The elastic supporting piece 10 is arc-shaped, and the elastic supporting piece 10 and the flame-retardant layer 7 are of an integral structure, so that the processing of the cable is more convenient, and the structure of the elastic supporting piece 10 is more stable; meanwhile, the elastic supporting part 10 can have certain compression deformation capacity, so that when the cable is deformed under pressure, the pressure is transmitted to the elastic supporting part and then directly absorbed by the elastic supporting part 10, and the pressure is prevented from being directly transmitted to the cable core 2, so that the buffer effect is achieved on the cable core 2, and the anti-extrusion capacity of the cable is improved.
The shielding layer 5 is woven for the copper strips, and the tin is smeared to the copper strips, can enough promote the oxidation resistance of copper strips, and can guarantee the compactness of flame retardant coating 3, effectively prevent that the flame retardant coating 3 from making cable fire prevention effect reduce because of loose.
The waterproof sealant is further arranged between the flame-retardant layer 7 and the sheath layer 8, does not contain aromatic hydrocarbon toxic solvent, belongs to an environment-friendly product, has good adhesive force on the surfaces of concrete, metal, wood, stone, plastic steel and sunlight plates, increases the moisture resistance of the cable, increases the sealing property of the cable, and better prevents water from entering the cable.
The sheath layer 8 is a fluorocarbon rubber layer, so that the cable has heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance, the cable is effectively prevented from aging due to long-term exposure, and the service life of the cable is longer.
The cable core 2 is formed by twisting a plurality of water-blocking insulating wire cores, a crosslinked polyethylene insulating layer 2a is further coated outside the cable core 2, and an environment-friendly high-flame-retardant alkali-free glass cloth braided belt 2b is wrapped on the crosslinked polyethylene insulating layer 2 a; the crosslinked polyethylene insulating layer 2a has the characteristics of heat resistance, pressure resistance, corrosion resistance and the like; the environment-friendly high-flame-retardant alkali-free glass cloth braided belt 2b has excellent high-temperature resistance and low-temperature resistance, is suitable for being used at a working environment temperature ranging from minus seventy degrees to 280 degrees centigrade, and has high insulating property.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cross-linked polyethylene insulation control cable is characterized by comprising a plurality of flame-retardant isolating pieces (1) which are dispersedly extended along the center, wherein a cable core (2) is also arranged between every two adjacent flame-retardant isolating pieces (1); the flame-retardant insulation parts (1) are coated with a fireproof layer (3) together, a silicon rubber filling body (4) is filled between the flame-retardant insulation parts (1) and the fireproof layer (3), and the fireproof layer (3) is sequentially coated with a shielding layer (5), a coating sleeve (6), a flame-retardant layer (7) and a sheath layer (8); a plurality of rolling balls (9) are embedded on the coating sleeve (6), and the balls (9) are matched with the flame-retardant layer (7) in a rolling manner; and an elastic supporting piece (10) is also arranged between the flame-retardant layer (7) and the sheath layer (8).
2. The cross-linked polyethylene insulated control cable according to claim 1, further comprising a center ring (11), and the flame retardant spacer (1) extends in a radial direction of the center ring (11); and a steel strand (12) is also arranged in the central ring (11).
3. The insulated control cable of claim 1, wherein the outer wall of the sheath (6) is further fixedly provided with a plurality of cushion layers (13), the cushion layers (13) are uniformly and axially arranged along the circumference of the outer wall of the sheath (6) at intervals, and the balls (9) are embedded in the cushion layers (13).
4. The insulated control cable of claim 3, wherein the pad layer (13) is further provided with a mounting hole (14), the ball (9) is roll-mounted in the mounting hole (14), and the depth of the mounting hole (14) is greater than one half of the diameter of the ball (9).
5. The insulated control cable of crosslinked polyethylene according to claim 1, wherein the fire-proof layer (3) is a vinyl chloride layer and a perchloroethylene layer coated outside the vinyl chloride layer.
6. The insulated control cable of claim 1, wherein the elastic support member (10) has an arc shape, and the elastic support member (10) and the flame retardant layer (7) are of an integral structure.
7. The cross-linked polyethylene insulated control cable according to claim 1, characterized in that the shielding layer (5) is woven of copper tape.
8. The insulated control cable of claim 1, wherein a waterproof sealant is further disposed between the flame retardant layer (7) and the sheath layer (8).
9. The cross-linked polyethylene insulated control cable according to claim 1, characterized in that the sheath layer (8) is a fluorocarbon rubber layer.
10. The crosslinked polyethylene insulation control cable according to claim 1, wherein the cable core (2) is formed by twisting a plurality of water-blocking insulation wire cores, the cable core (2) is further coated with a crosslinked polyethylene insulation layer (2 a), and the crosslinked polyethylene insulation layer (2 a) is wrapped with an environment-friendly high-flame-retardant alkali-free glass cloth braided tape (2 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020765783.3U CN211957210U (en) | 2020-05-11 | 2020-05-11 | Crosslinked polyethylene insulated control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020765783.3U CN211957210U (en) | 2020-05-11 | 2020-05-11 | Crosslinked polyethylene insulated control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211957210U true CN211957210U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020765783.3U Expired - Fee Related CN211957210U (en) | 2020-05-11 | 2020-05-11 | Crosslinked polyethylene insulated control cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN211957210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113363001A (en) * | 2021-06-10 | 2021-09-07 | 广东韶钢工程技术有限公司 | Weighing sensor wire high-temperature-resistant protective sleeve and mounting method |
| CN113488268A (en) * | 2021-07-07 | 2021-10-08 | 安徽徽宁电器仪表集团有限公司 | Weather resistance frequency conversion power cable |
-
2020
- 2020-05-11 CN CN202020765783.3U patent/CN211957210U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113363001A (en) * | 2021-06-10 | 2021-09-07 | 广东韶钢工程技术有限公司 | Weighing sensor wire high-temperature-resistant protective sleeve and mounting method |
| CN113363001B (en) * | 2021-06-10 | 2022-05-27 | 广东韶钢工程技术有限公司 | Weighing sensor wire high-temperature-resistant protective sleeve and mounting method |
| CN113488268A (en) * | 2021-07-07 | 2021-10-08 | 安徽徽宁电器仪表集团有限公司 | Weather resistance frequency conversion power cable |
| CN113488268B (en) * | 2021-07-07 | 2022-11-11 | 安徽徽宁电器仪表集团有限公司 | Weather resistance frequency conversion power cable |
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Granted publication date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |