CN105206360A - Protective tube applied to connection part of power transmission lines - Google Patents
Protective tube applied to connection part of power transmission lines Download PDFInfo
- Publication number
- CN105206360A CN105206360A CN201510535360.6A CN201510535360A CN105206360A CN 105206360 A CN105206360 A CN 105206360A CN 201510535360 A CN201510535360 A CN 201510535360A CN 105206360 A CN105206360 A CN 105206360A
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- parts
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- transmission line
- pillar
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 230000001681 protective effect Effects 0.000 title abstract description 5
- 239000003063 flame retardant Substances 0.000 claims abstract description 27
- 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 18
- 239000010410 layer Substances 0.000 claims description 60
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 27
- 239000003822 epoxy resin Substances 0.000 claims description 21
- 229920000647 polyepoxide Polymers 0.000 claims description 21
- 235000012239 silicon dioxide Nutrition 0.000 claims description 19
- 239000000377 silicon dioxide Substances 0.000 claims description 19
- 239000011241 protective layer Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 239000005995 Aluminium silicate Substances 0.000 claims description 11
- 235000012211 aluminium silicate Nutrition 0.000 claims description 11
- 239000004927 clay Substances 0.000 claims description 11
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000004952 Polyamide Substances 0.000 claims description 10
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 230000003078 antioxidant effect Effects 0.000 claims description 10
- 239000002270 dispersing agent Substances 0.000 claims description 10
- 229910021389 graphene Inorganic materials 0.000 claims description 10
- 229920002647 polyamide Polymers 0.000 claims description 10
- 229920001400 block copolymer Polymers 0.000 claims description 9
- 239000012760 heat stabilizer Substances 0.000 claims description 9
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims description 8
- 229920000459 Nitrile rubber Polymers 0.000 claims description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 8
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000010445 mica Substances 0.000 claims description 8
- 229910052618 mica group Inorganic materials 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000002427 irreversible effect Effects 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 17
- 230000004888 barrier function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention, which belongs to the field of the low-voltage power transmission line protection device, discloses a protective tube applied to a connection part of power transmission lines. The protective tube for protecting a low-voltage line connection part comprises a tube body; and the tube body consists of a conductive layer, an insulation protection layer, a flame-retardant layer, a water-blocking layer, a reinforced layer, and a temperature sensing layer successively from inside to outside. Heat-shrinkable tubes are arranged at the two sides of the tube body. According to the technical scheme, protection of an exposed lead at a connection part of insulating leads can be realized; and conductivity of the lead at the connection part is not affected; and color changing can be carried out when a fault occurs at the connection part, so that the maintenance staff can find a fault point conveniently.
Description
Technical field
The invention belongs to low-voltage electricity transmission line protector field, specifically, particularly relate to a kind of pillar for transmission line junction.
Background technology
At present, have on the plain conductor of insulating barrier for ground wire is articulated to, need the insulating barrier of the insulated conductor of assigned address to remove, to expose the metallic member of wire, ground wire is articulated to the metallic member on insulated conductor cut.The position of insulated conductor being removed insulating barrier is called insulated conductor cut, when insulated conductor does not need hanging earthing conductor, ground wire is taken from insulated conductor cut, keep insulating with extraneous for making insulated conductor cut place, namely insulation is recovered at insulated conductor cut place, generally adopt plain conductor insulating tape being wrapped in insulated conductor cut place, when ground wire is articulated on insulated conductor by needs again, removed from insulated conductor cut by insulating tape with cutter, winding process and the removal process of insulating tape waste time and energy.Insulated conductor needs hanging earthing conductor continually, that is, needs be wound around continually and remove insulating tape, adds the working strength of staff.In addition, the glue of insulating tape can remain in the metallic member of wire, reduces the fail safe of power supply, and reduces the conductivity between the metallic member of wire and ground wire.
Summary of the invention
The object of the present invention is to provide a kind of pillar for transmission line junction, it can realize the protection of insulated conductor junction nuditing wire, the conductivity of junction wire can not be affected again, and variable color can be carried out in time when breaking down in junction, facilitate maintainer's looking up the fault point.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of pillar for transmission line junction described in the present invention, comprises body, and described body comprises conductive layer, insulating protective layer, flame-retardant layer, water blocking layer, back-up coat, temperature-sensitive layer from inside to outside successively, is provided with heat-shrinkable tube in the both sides of body; Wherein said conductive layer is made up of the composition of following weight portion: graphene powder 15 ~ 20 parts, polyamide 25 ~ 30 parts, epoxy resin 15 ~ 20 parts, heat stabilizer 0.5 ~ 1 part, copper powder 5 ~ 10 parts, styrenic-diene based block copolymer 1 ~ 1.5 part; Described insulating protective layer comprises the composition of following weight portion: epoxy resin 45 ~ 50 parts, 2 ~ 5 parts, potter's clay, kaolin 1 ~ 3 part, 0.5 ~ 1 part, antioxidant, silicon dioxide 4 ~ 6 parts, dispersant 0.2 ~ 0.6 part; Described flame-retardant layer comprises the composition of following weight portion: the fire-retardant acrylonitrile-butadiene rubber of oil resistant 65 ~ 70 parts, 10 ~ 15 parts, mica, 10 ~ 15 parts, aluminium hydroxide, silicon dioxide 5 ~ 10 parts, antioxidant 4010NA 1 ~ 2 part; Described temperature-sensitive layer adopts temperature-sensing color-changing material.
Say further, the conductive layer described in the present invention is made up of the composition of following weight portion: graphene powder 16 ~ 18 parts, polyamide 26 ~ 28 parts, epoxy resin 16 ~ 18 parts, heat stabilizer 0.6 ~ 0.8 part, copper powder 6 ~ 8 parts, styrenic-diene based block copolymer 1.2 ~ 1.4 parts.
Say further, the insulating protective layer described in the present invention comprises the composition of following weight portion: epoxy resin 46 ~ 48 parts, 3 ~ 4 parts, potter's clay, kaolin 1.5 ~ 2.5 parts, 0.6 ~ 0.8 part, antioxidant, silicon dioxide 4.5 ~ 5.5 parts, dispersant 0.3 ~ 0.5 part.
Say further, the flame-retardant layer described in the present invention comprises the composition of following weight portion: the fire-retardant acrylonitrile-butadiene rubber of oil resistant 66 ~ 68 parts, 12 ~ 14 parts, mica, 11 ~ 14 parts, aluminium hydroxide, silicon dioxide 6 ~ 8 parts, antioxidant 4010NA 1.2 ~ 1.8 parts.
Say further, the conductive layer described in the present invention is made up of the composition of following weight portion: graphene powder 17 parts, polyamide 27 parts, epoxy resin 17 parts, heat stabilizer 0.7 part, copper powder 7 parts, styrenic-diene based block copolymer 1.3 parts.
Say further, the insulating protective layer described in the present invention comprises the composition of following weight portion: epoxy resin 47 parts, 3.5 parts, potter's clay, kaolin 2 parts, 0.7 part, antioxidant, silicon dioxide 5 parts, dispersant 0.4 part.
Say further, the flame-retardant layer described in the present invention comprises the composition of following weight portion: the fire-retardant acrylonitrile-butadiene rubber of oil resistant 67 parts, 13 parts, mica, 12 parts, aluminium hydroxide, silicon dioxide 7 parts, antioxidant 4010NA 1.5 parts.
Say further, the temperature-sensitive layer described in the present invention adopts irreversible temperature-sensing color-changing material.
Say further, Rotating fields overlapped thickness adjacent between the conductive layer described in the present invention, insulating protective layer, flame-retardant layer, water blocking layer, back-up coat, temperature-sensitive layer is 0.2 ~ 0.4mm.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention can carry out insulating protection to exposed electric wire connection point, effectively ensures that the conductance of junction and insulation property remain within the scope that transmission line requires.
2, there is the phenomenon that heating is excessive in power supply process after the present invention can remind connecting position of wires to connect, can this type of fault point of Timeliness coverage during convenient for maintaining personnel repair and maintenance circuit.
3, the present invention adopts multi-layer structure design, and effectively realize the performance requirement of fire-retardant, waterproof, wear-resisting, insulation, long service life, easy accessibility, improves efficiency and the construction quality of construction.
Embodiment
Below in conjunction with embodiment, the technical scheme described in the application is described further.
Embodiment 1: a kind of pillar for transmission line junction, comprises body, described body comprises conductive layer, insulating protective layer, flame-retardant layer, water blocking layer, back-up coat, temperature-sensitive layer from inside to outside successively, is provided with heat-shrinkable tube in the both sides of body; Wherein said conductive layer is made up of the composition of following weight portion: graphene powder 15 ~ 20 parts, polyamide 25 ~ 30 parts, epoxy resin 15 ~ 20 parts, heat stabilizer 0.5 ~ 1 part, copper powder 5 ~ 10 parts, styrenic-diene based block copolymer 1 ~ 1.5 part; Described insulating protective layer comprises the composition of following weight portion: epoxy resin 45 ~ 50 parts, 2 ~ 5 parts, potter's clay, kaolin 1 ~ 3 part, 0.5 ~ 1 part, antioxidant, silicon dioxide 4 ~ 6 parts, dispersant 0.2 ~ 0.6 part; Described flame-retardant layer comprises the composition of following weight portion: the fire-retardant acrylonitrile-butadiene rubber of oil resistant 65 ~ 70 parts, 10 ~ 15 parts, mica, 10 ~ 15 parts, aluminium hydroxide, silicon dioxide 5 ~ 10 parts, antioxidant 4010NA 1 ~ 2 part; Described temperature-sensitive layer adopts temperature-sensing color-changing material.
Embodiment 2: a kind of pillar for transmission line junction, described conductive layer is made up of the composition of following weight portion: graphene powder 16 ~ 18 parts, polyamide 26 ~ 28 parts, epoxy resin 16 ~ 18 parts, heat stabilizer 0.6 ~ 0.8 part, copper powder 6 ~ 8 parts, styrenic-diene based block copolymer 1.2 ~ 1.4 parts.All the other are identical with embodiment 1.
Embodiment 3: a kind of pillar for transmission line junction, described insulating protective layer comprises the composition of following weight portion: epoxy resin 46 ~ 48 parts, 3 ~ 4 parts, potter's clay, kaolin 1.5 ~ 2.5 parts, 0.6 ~ 0.8 part, antioxidant, silicon dioxide 4.5 ~ 5.5 parts, dispersant 0.3 ~ 0.5 part.All the other are identical with embodiment 1 or 2.
Embodiment 4: a kind of pillar for transmission line junction, described insulating protective layer comprises the composition of following weight portion: epoxy resin 46 ~ 48 parts, 3 ~ 4 parts, potter's clay, kaolin 1.5 ~ 2.5 parts, 0.6 ~ 0.8 part, antioxidant, silicon dioxide 4.5 ~ 5.5 parts, dispersant 0.3 ~ 0.5 part.All the other are identical with embodiment 1 or 2 or 3.
Embodiment 5: a kind of pillar for transmission line junction, comprises body, described body comprises conductive layer, insulating protective layer, flame-retardant layer, water blocking layer, back-up coat, temperature-sensitive layer from inside to outside successively, is provided with heat-shrinkable tube in the both sides of body; Described conductive layer is made up of the composition of following weight portion: graphene powder 17 parts, polyamide 27 parts, epoxy resin 17 parts, heat stabilizer 0.7 part, copper powder 7 parts, styrenic-diene based block copolymer 1.3 parts.Described insulating protective layer comprises the composition of following weight portion: epoxy resin 47 parts, 3.5 parts, potter's clay, kaolin 2 parts, 0.7 part, antioxidant, silicon dioxide 5 parts, dispersant 0.4 part.Described flame-retardant layer comprises the composition of following weight portion: the fire-retardant acrylonitrile-butadiene rubber of oil resistant 67 parts, 13 parts, mica, 12 parts, aluminium hydroxide, silicon dioxide 7 parts, antioxidant 4010NA 1.5 parts.Described temperature-sensitive layer adopts irreversible temperature-sensing color-changing material.Described back-up coat adopts high strength glass fiber braiding to form.
Rotating fields overlapped thickness adjacent between conductive layer described in the present invention, insulating protective layer, flame-retardant layer, water blocking layer, back-up coat, temperature-sensitive layer is 0.2 ~ 0.4mm.
The present invention in use, body can make several given shape according to the connection shape of common electric wire connection point, can adopt the structure of integral type or split-type design in actual use, but no matter structure, the formation of its body is formed by several Rotating fields described in the present invention.After fixedly completing, the heat-shrinkable tube by two ends realizes secondary and fixes, and avoids pillar to be moved.
After conductive layer described in the present invention can avoid original transmission line node insulating tape used to connect, binding agent sticks to the shortcoming of nuditing wire, and the effect of additional conductive can be realized, the conductance of wiring place can not be reduced, and then ensure to produce variations in temperature because of the change of conductance in junction.In the material that described in the present invention conductive layer is formed, graphene powder and copper powder all can realize electric action, and these powder Uniform Dopeds, in polyamide, epoxy resin, can realize coated to junction of these powder.
Insulating protective layer described in the present invention have employed after the higher material of the concentrated insulation property such as epoxy resin, silicon dioxide, potter's clay, kaolin carries out Homogeneous phase mixing and makes; effectively can realize the insulation to conductive layer; certain hardness can be had again support, protective effect is further played to electric wire connection point.
Be arranged with flame-retardant layer at the outer of insulating barrier, can effectively avoid because wiring place connects the too high fire incident caused of the improper temperature caused.Water blocking layer adopts material water-proof material of the prior art to design, and repeats no more in the present invention.Back-up coat adopts high strength glass fiber to be formed by warp and weft knit, can reinforce, play wear-resisting effect simultaneously, can play the high-intensity protective to junction in outdoor to junction.
Temperature-sensitive layer is have employed in the present invention, temperature-sensitive layer adopts irreversible temperature-sensing color-changing material to make, at some tie point, although because the connected mode problem at tie point place may cause temperature accumulation, but might not the accidents such as fire be caused, hiding hidden danger point and can not be found in maintenance process like this, therefore excursion is set in junction at the irreversible temperature-sensing color-changing material of 60 ~ 100 DEG C, its wrong report that extraneous direct sunlight can either be avoided to cause, the accurately reflection internal temperature change under the obstruction of flame-retardant layer (150 DEG C ~ 200 DEG C) of inner lead temperature accumulation can be realized again.
Claims (10)
1. for a pillar for transmission line junction, comprise body, it is characterized in that: described body comprises conductive layer, insulating protective layer, flame-retardant layer, water blocking layer, back-up coat, temperature-sensitive layer from inside to outside successively, is provided with heat-shrinkable tube in the both sides of body; Wherein said conductive layer is made up of the composition of following weight portion: graphene powder 15 ~ 20 parts, polyamide 25 ~ 30 parts, epoxy resin 15 ~ 20 parts, heat stabilizer 0.5 ~ 1 part, copper powder 5 ~ 10 parts, styrenic-diene based block copolymer 1 ~ 1.5 part; Described insulating protective layer comprises the composition of following weight portion: epoxy resin 45 ~ 50 parts, 2 ~ 5 parts, potter's clay, kaolin 1 ~ 3 part, 0.5 ~ 1 part, antioxidant, silicon dioxide 4 ~ 6 parts, dispersant 0.2 ~ 0.6 part; Described flame-retardant layer comprises the composition of following weight portion: the fire-retardant acrylonitrile-butadiene rubber of oil resistant 65 ~ 70 parts, 10 ~ 15 parts, mica, 10 ~ 15 parts, aluminium hydroxide, silicon dioxide 5 ~ 10 parts, antioxidant 4010NA 1 ~ 2 part; Described temperature-sensitive layer adopts temperature-sensing color-changing material.
2. the pillar for transmission line junction according to claim 1, is characterized in that: described conductive layer is made up of the composition of following weight portion: graphene powder 16 ~ 18 parts, polyamide 26 ~ 28 parts, epoxy resin 16 ~ 18 parts, heat stabilizer 0.6 ~ 0.8 part, copper powder 6 ~ 8 parts, styrenic-diene based block copolymer 1.2 ~ 1.4 parts.
3. the pillar for transmission line junction according to claim 2, is characterized in that: described insulating protective layer comprises the composition of following weight portion: epoxy resin 46 ~ 48 parts, 3 ~ 4 parts, potter's clay, kaolin 1.5 ~ 2.5 parts, 0.6 ~ 0.8 part, antioxidant, silicon dioxide 4.5 ~ 5.5 parts, dispersant 0.3 ~ 0.5 part.
4. the pillar for transmission line junction according to claim 3, is characterized in that: described flame-retardant layer comprises the composition of following weight portion: the fire-retardant acrylonitrile-butadiene rubber of oil resistant 66 ~ 68 parts, 12 ~ 14 parts, mica, 11 ~ 14 parts, aluminium hydroxide, silicon dioxide 6 ~ 8 parts, antioxidant 4010NA 1.2 ~ 1.8 parts.
5. the pillar for transmission line junction according to claim 4, is characterized in that: described conductive layer is made up of the composition of following weight portion: graphene powder 17 parts, polyamide 27 parts, epoxy resin 17 parts, heat stabilizer 0.7 part, copper powder 7 parts, styrenic-diene based block copolymer 1.3 parts.
6. the pillar for transmission line junction according to claim 5, is characterized in that: described insulating protective layer comprises the composition of following weight portion: epoxy resin 47 parts, 3.5 parts, potter's clay, kaolin 2 parts, 0.7 part, antioxidant, silicon dioxide 5 parts, dispersant 0.4 part.
7. the pillar for transmission line junction according to claim 6, is characterized in that: described flame-retardant layer comprises the composition of following weight portion: the fire-retardant acrylonitrile-butadiene rubber of oil resistant 67 parts, 13 parts, mica, 12 parts, aluminium hydroxide, silicon dioxide 7 parts, antioxidant 4010NA 1.5 parts.
8. the pillar for transmission line junction according to claim 7, is characterized in that: described temperature-sensitive layer adopts irreversible temperature-sensing color-changing material.
9. the pillar for transmission line junction according to claim 8, is characterized in that: described back-up coat adopts high strength glass fiber braiding to form.
10. the pillar for transmission line junction according to claim 9, is characterized in that: Rotating fields overlapped thickness adjacent between described conductive layer, insulating protective layer, flame-retardant layer, water blocking layer, back-up coat, temperature-sensitive layer is 0.2 ~ 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535360.6A CN105206360B (en) | 2015-08-28 | 2015-08-28 | For the pillar of transmission line of electricity junction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535360.6A CN105206360B (en) | 2015-08-28 | 2015-08-28 | For the pillar of transmission line of electricity junction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105206360A true CN105206360A (en) | 2015-12-30 |
| CN105206360B CN105206360B (en) | 2017-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510535360.6A Expired - Fee Related CN105206360B (en) | 2015-08-28 | 2015-08-28 | For the pillar of transmission line of electricity junction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105206360B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046414A (en) * | 2007-04-29 | 2007-10-03 | 张陈 | Composite linear temperature digital quantity and analog quantity sensing detector in two-chip structure |
| CN101275052A (en) * | 2008-05-14 | 2008-10-01 | 海洋化工研究院 | Corrosion-resistant electromagnetic screen coating and preparation thereof |
| CN103178368A (en) * | 2013-04-01 | 2013-06-26 | 国家电网公司 | Parallel thermal shrinkage joint |
| CN103617825A (en) * | 2013-10-17 | 2014-03-05 | 昆山市奋发绝缘材料有限公司 | Fireproof and insulating material |
| CN103617829A (en) * | 2013-12-03 | 2014-03-05 | 国家电网公司 | Temperature memory color-changing insulating material and insulating bush |
| CN204290188U (en) * | 2014-11-25 | 2015-04-22 | 广州胶管厂有限公司 | A kind of corrugated cable sleeve pipe |
| CN204538613U (en) * | 2015-05-06 | 2015-08-05 | 林名楠 | A kind of ultra-high-tension power transmission line transposition insulator reinforcing device |
-
2015
- 2015-08-28 CN CN201510535360.6A patent/CN105206360B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046414A (en) * | 2007-04-29 | 2007-10-03 | 张陈 | Composite linear temperature digital quantity and analog quantity sensing detector in two-chip structure |
| CN101275052A (en) * | 2008-05-14 | 2008-10-01 | 海洋化工研究院 | Corrosion-resistant electromagnetic screen coating and preparation thereof |
| CN103178368A (en) * | 2013-04-01 | 2013-06-26 | 国家电网公司 | Parallel thermal shrinkage joint |
| CN103617825A (en) * | 2013-10-17 | 2014-03-05 | 昆山市奋发绝缘材料有限公司 | Fireproof and insulating material |
| CN103617829A (en) * | 2013-12-03 | 2014-03-05 | 国家电网公司 | Temperature memory color-changing insulating material and insulating bush |
| CN204290188U (en) * | 2014-11-25 | 2015-04-22 | 广州胶管厂有限公司 | A kind of corrugated cable sleeve pipe |
| CN204538613U (en) * | 2015-05-06 | 2015-08-05 | 林名楠 | A kind of ultra-high-tension power transmission line transposition insulator reinforcing device |
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| CN105206360B (en) | 2017-07-07 |
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Effective date of registration: 20170608 Address after: 276600 Linyi County, Shandong Province Flyover Road, No. 16, Junan Applicant after: JU'NAN POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER COMPANY Applicant after: State Grid Corporation of China Address before: 276600 Linyi County, Shandong Province Flyover Road, No. 16, Junan Applicant before: STATE GRID SHANDONG JUNAN COUNTY POWER SUPPLY COMPANY Applicant before: State Grid Corporation of China |
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