CN105845212B - A kind of multifunctional agricultural cable - Google Patents
A kind of multifunctional agricultural cable Download PDFInfo
- Publication number
- CN105845212B CN105845212B CN201610335911.9A CN201610335911A CN105845212B CN 105845212 B CN105845212 B CN 105845212B CN 201610335911 A CN201610335911 A CN 201610335911A CN 105845212 B CN105845212 B CN 105845212B
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- cable
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- layer
- multifunctional agricultural
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0045—Cable-harnesses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0869—Flat or ribbon cables comprising one or more armouring, tensile- or compression-resistant elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
- H05B3/565—Heating cables flat cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of multifunctional agricultural cable, including：Cable main, ground wire, external insulation layer and dowel, the external insulation layer are coated on the outside of cable main, and the cable main is connected by the dowel with the ground wire；Wherein, the cable main is made up of conductor, inner insulating layer, conductor wire, zero line, control line, packed layer and aluminium foil；The inner insulating layer is coated on the outside of the conductor；There is packed layer in the outside of the conductor wire, the zero line and the control line and is coated on together with the inner insulating layer in the aluminium foil.A kind of multifunctional agricultural cable provided by the present invention, cable main are connected by dowel with ground wire, and dowel is peelable to separate ground wire with cable main, and ground wire can do it and use after separating.Cable main is flat structure, is easy to mat formation, and the material plus insulating barrier is cross-linked polyethylene insulating material, high temperature resistant, high pressure resistant, corrosion-resistant, and toughness is high.
Description
Technical field
The present invention relates to field of cables, especially relates to a kind of multifunctional agricultural cable.
Background technology
Peasant household was used as using plastic rope or iron wire when planting melon and fruit and set up melon and fruit fence and support frame, by one past
Year exposes to the weather, and rainwater is soaked, and plastic rope is just aging, and is become fragile and is damaged, and iron wire has also had rusty stains, and the iron of many places
Line occurs broken string phenomenon because of corrosion, and tensile strength drastically declines, it is necessary to change or overlap erection again, wastes time and energy.And give birth to
The iron wire of rust comes off in the leaf portion in melon and fruit, root and soil, not only have impact on the growing environment of melon and fruit, soil is made also into
Destroy.Outside it, summer is occurred frequently section of thunderstorm, and exposed iron wire belongs to metallic conductor, easily conducts thunder and lightning, in field work
Peasant have the danger of electric shock at any time.
In recent years, many peasant households set up melon and fruit fence and support frame using cable, and these cables are mostly using ordinary copper electricity
Cable, their significant drawbacks are brittleness height, and oxidizable, as long as the torsion of certain angle several times when mounted, conductor is just
It can crack, breach will generate heat, corrode, and security performance, electric property, mechanical performance and the service life of cable all can be by
Damage, also easily causes danger.For example number of patent application 201320625718.0, it is entitled《A kind of flat electricity of agricultural copper clad aluminum conductor
Cable》It there is this problem.
As application of the heating cable in terms of heating is increasingly extensively sent out, also there is peasant household heating cable is big installed in vegetables
Canopy, Chinese medicine greenhouse, plant nursery, extend vegetables, medicinal material harvest time；The patent name of application number 201510222938.2 is
《A kind of heating cable》With regard to announcing a kind of cable that can be used for agricultural and animal husbandry, it uses carbon fiber exothermic part and the first wire
Also T-shaped shape, two T shapes form double-T shaped knot for the T-shaped shape in junction, carbon fiber exothermic part and the second connecting position of wires
Structure, because apart there is certain distance two T-shaped shape junctions, line short is effectively prevented, avoid heating cable burn-up and make
Into unnecessary waste, but this construction of cable is more complicated, costly, and installation is inconvenient and purposes is single.
The content of the invention
It is an object of the invention to provide a kind of multifunctional agricultural cable, and it has high temperature resistant, corrosion-resistant, toughness is high, the longevity
The advantages that life is long, multipurpose.
To achieve the above object, the invention provides a kind of multifunctional agricultural cable, including：Cable main, ground wire, it is outer absolutely
Edge layer and dowel, the external insulation layer are coated on the outside of cable main, the cable main by the dowel with
The ground wire connection；Wherein, the cable main is by conductor, inner insulating layer, conductor wire, zero line, control line, packed layer and aluminium
Paper tinsel forms；The inner insulating layer is coated on the outside of the conductor；The outside of the conductor wire, the zero line and the control line is equal
There is packed layer and be coated on together with the inner insulating layer in the aluminium foil.
Preferably, in above-mentioned technical proposal, the material used in the external insulation layer, inner insulating layer and dowel is to hand over
Join insulating material of polyethylene；
The cross-linked polyethylene insulating material includes the component of following parts by weight：65~75 parts of polyethylene, aluminum oxide 3~5
Part, 10~20 parts of magnesium hydroxide, 0.7~3.5 part of age resister, crosslinking agent 1~3,10~25 parts of polypropylene, 5~7 parts of fire retardant
And 1~3 part of auxiliary agent.
Preferably, in above-mentioned technical proposal, the filler of the packed layer is glass fibre.
Preferably, in above-mentioned technical proposal, the control line is two, and the material of the control line is twisted oxygen-free copper
Line.
Preferably, in above-mentioned technical proposal, the conductor be width be 3mm~27mm, thickness be 0.04mm~0.65mm
Aludirome lenticular wire；The material of the ground wire is albronze or steel strand wires；
Preferably, in above-mentioned technical proposal, the thickness of the inner insulating layer is 0.45mm~0.85mm；The thickness of the aluminium foil
Spend for 0.04mm~0.06mm；The thickness of the external insulation layer is 0.9~1.1mm, the thickness of the dowel for 0.01mm~
0.03mm。
Preferably, in above-mentioned technical proposal, the multifunctional agricultural cable is made up of following steps：
A, lenticular wire, viscose glue：Aludirome melt goes out flat melt through mould molding, and the conductor is obtained after cooling, is led
Body passes through the uniform viscose glue of colloidal sol box, stand-by；
B, extrusion molding：It will extrude, go out from product made from step A by the extruding machine with mouth mold corresponding with conductor profile
The flat insulating core for being made and being enclosed with inner insulating layer is cooled down after mould；
At the same time conductor wire, zero line and control line are superscribed into packed layer by extruding machine, cooled down, it is stand-by；
C, aluminium foil is coated：By flat insulating core made from step B and the conductor wire, zero line and control that superscribe packed layer
Line by mould, reuses aluminium foil tight into stand-by semi-finished product together；
D, external insulation extrusion molding：By stand-by semi-finished product and ground wire together through drawing machine travel after completion step C, through mould again
External insulation layer is wrapped up using extruding machine and is extruded, and cable molding product are made.
Preferably, in above-mentioned technical proposal, in addition to lettering, detection, sabot：Cable molding product made from step D are entered
Row lettering, detection, assemble to obtain finished product.
Preferably, in above-mentioned technical proposal, wherein, in the step B, step D, three temperature controlled regions of extruding machine point, point
Not Wei barrel area, parcel area and head extrusion area, each area corresponding temperature is set respectively, wherein, 170 DEG C~175 DEG C of barrel area,
Wrap up 173 DEG C~188 DEG C of section, 195 DEG C~198 DEG C of head extrusion area；Extrude that to need to preheat heating 1.5 in advance before machining small
When.
Compared with prior art, the present invention has the advantages that：
1st, cable of the invention has multi-functional so that peasant household buys a kind of cable and a variety of thorough fares, comprehensive utilization can be achieved
Rate is high, especially separates the cable main of cable with ground wire in some big plantations, gourd, fruit and vegetable greenhouse, cable main is
Flat structure, it is easy to mat formation in soil or raising chamber, form one after electrified regulation is not influenceed by outside air temperature change
The environment of plant growth, it is relative to extend crop cycle, income is added, and also it is more scientific, it is more energy efficient, it is more convenient.Point
The ground wire come is separated out, because the material that the insulating outer layer of ground wire uses is cross-linked polyethylene insulating material, it in light weight, heat-resisting
Well, load capacity is strong, non-fusible, resistant to chemical etching, and high mechanical strength is highly suitable for setting up melon and fruit fence and support frame and extension
Fruit uses, will not be because exposing to the weather, and rainwater soaks, and just damages in a short time and the life that have impact on melon and fruit is damaged to soil
Long environment, such fence and line of bearing fruit are both economically and environmentally beneficial.
2nd, material is to have high-temperature oxidation resistant, low cost, machinery using Aludirome used by conductor of the invention
The features such as performance is strong, the material plus insulating barrier are cross-linked polyethylene insulating materials, high temperature resistant, high pressure resistant, corrosion-resistant, and toughness is high,
Cable will not cause conductor to crack because of torsion when mounted, security performance, electric property, mechanical performance and service life
All preferably, and caused irradiation on crops and human body are harmless in use, are safe and reliable trusted products.
3rd, the present invention in control even can be used for transmit signal, when the present invention cable combination temperature controller, detector,
When the equipment such as sensor are used together, the control line of cable can deliver a signal to other external intelligent control devices in time, make
Obtain the needs that cable disclosure satisfy that the pattern of modern agriculture plantation centralization synthesization management.
-
Brief description of the drawings
Fig. 1 is the structural representation according to multifunctional agricultural cable of the present invention.
Fig. 2 is the appearance schematic diagram according to multifunctional agricultural cable of the present invention.
Fig. 3 is the preparation technology flow chart according to multifunctional agricultural cable of the present invention
1- external insulation layers, 2- conductors, 3- inner insulating layers, 4- dowels, 5- conductor wires, 6- aluminium foils, 7- ground wires, 8- zero lines,
9- control lines, 10- packed layers, 11- cable mains.
-
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
As depicted in figs. 1 and 2, a kind of multi-functional cable according to the preferred embodiment of the present invention, including cable main 11,
Ground wire 7, external insulation layer 1 and dowel 4, cable main 11 is by conductor 2, inner insulating layer 3, conductor wire 5, zero line 8, control line
9th, packed layer 10 and aluminium foil 6 form.
Cable main 11 is connected by the dowel 4 that thickness is 0.01mm with ground wire 7；Conductor 2 be width be 15mm, thickness
For 0.60mm Aludirome lenticular wire, the outside of conductor 2 is coated with the inner insulating layer 3 that thickness is 0.45mm；Inner insulating layer 3 and bag
The conductor wire 5, zero line 8 and control line 9 for being wrapped with packed layer 10 are coated in the aluminium foil 6 that thickness is 0.04mm together, aluminium foil 6 and material
Matter is that the ground wire 7 of albronze or steel strand wires is coated in the external insulation layer 1 that thickness is 0.9mm together, the filling of packed layer 10
Thing is glass fibre；Control line 9 is two, and material used is twisted oxygen-free copper-wire.
Material used in external insulation layer 1, inner insulating layer 3 and dowel 4 is cross-linked polyethylene insulating material, is crosslinked poly- second
Alkene Insulation Material is preferably by 0.8 part of 15 parts of 4 parts of 65 parts of polyethylene, aluminum oxide, magnesium hydroxide, the age resister of following parts by weight, friendship
Join 3 parts of agent 1,15 parts of polypropylene, 5 parts of fire retardant and auxiliary agent preparations, be well mixed, start simultaneously at startup preheating heating 1.5 hours
After be made.
Meanwhile the cross-linked polyethylene insulating material further preferably presses 65 parts of polyethylene, the aluminum oxide 3 of following parts by weight
Part, 10 parts of magnesium hydroxide, 0.7 part of age resister, crosslinking agent 1,10 parts of polypropylene, 5 parts of fire retardant and 1 part of preparation of auxiliary agent, are mixed
Close uniformly, be made after starting simultaneously at startup preheating heating 1.5 hours.
Another step ground, the cross-linked polyethylene insulating material are also preferably entered by the cross-linked polyethylene insulating material of following parts by weight
One step is preferably by 3.5 parts of 20 parts of 5 parts of 75 parts of polyethylene, aluminum oxide, magnesium hydroxide, the age resister of following parts by weight, crosslinking
3 parts of agent 3, polipropene 25 part, 7 parts of fire retardant and auxiliary agent preparations, are well mixed, start simultaneously at startup preheating heating 1.5 hours
After be made.
As shown in figure 3, manufacture cable by following steps：
A, Cr-Al alloy melt is gone out into flat melt through mould molding, thickness is obtained after cooling as a width of 15mm, thickness
0.60mm conductor 2；Conductor 2 passes through the uniform viscose glue of colloidal sol box, stand-by；
B, by being extruded with the mouth mold corresponding with the profile of conductor 2, system will be cooled down after depanning from product made from step A
The flat insulating core for the inner insulating layer that thickness is 0.45mm must be enclosed with；At the same time by conductor wire 5, zero line 8 and control line 9
Packed layer 10 is superscribed by extruding machine, cooled down, it is stand-by；
C, aluminium foil is coated：By flat insulating core made from step B and superscribe the conductor wire 5 of packed layer 10, zero line 8 and
Control line 9 reuses aluminium foil tight that thickness is 0.04mm into stand-by semi-finished product together by mould；
D, external insulation extrusion molding：By stand-by semi-finished product and ground wire 7 together through drawing machine travel after completion step C, through mould
Reuse and extruded after extruding machine wraps up external insulation layer 1, the cable molding product that the thickness of external insulation layer 1 is 0.9mm are made；
Obtained cable molding product are carried out with lettering, detection, assembles to obtain finished product.
Wherein, three temperature controlled regions of extruding machine point in step B and step D, respectively barrel area, parcel area and head extrusion
Area, each area set corresponding temperature respectively, wherein, preferably 170 DEG C of barrel area, parcel 173 DEG C of section, 195 DEG C of head extrusion area；
Meanwhile the temperature setting of three temperature controlled regions of extruding machine is preferable：173 DEG C of barrel area, 181 DEG C of section of parcel, machine
197 DEG C of extrusion zone of head；
Another step, the temperature setting of three temperature controlled regions of extruding machine are also preferable：175 DEG C of barrel area, parcel section 188
DEG C, 198 DEG C of head extrusion area.
In use, a kind of obtained multifunctional agricultural cable, connects muscle 4 and tears, may be such that cable main 11 with
Ground wire 7 separates, and cable main 11 is embedded in green house of vegetables soil and heated, and ground wire 7 is used to set up grape trellis or used as line of bearing fruit
In suspension strut fruit.It is equipped with connection when by the control line of cable and temperature sensor, temperature controller power-supply controller of electric and uses
When, the signal of temperature sensor is passed to temperature controller com-parison and analysis by control line 9, and by after temperature controller com-parison and analysis
The instruction sent passes to power-supply controller of electric and adjusts the febrile state of conductor 2 to control source current and then change green house of vegetables
Interior temperature.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (7)
1. a kind of multifunctional agricultural cable, including：Cable main (11), ground wire (7), external insulation layer (1) and dowel (4),
It is characterized in that:The external insulation layer (1) is coated on the outside of cable main (11), and the cable main (11) passes through the company
Muscle (4) is connect to be connected with the ground wire (7)；
Wherein, the cable main (11) by conductor (2), inner insulating layer (3), conductor wire (5), zero line (8), control line (9), fill out
Fill layer (10) and aluminium foil (6) composition；
The inner insulating layer (3) is coated on the outside of the conductor (2)；
The outside of the conductor wire (5), the zero line (8) and the control line (9) have packed layer (10) and together with it is described
Inner insulating layer (3) is coated in the aluminium foil (6)；
Material used in the external insulation layer (1), inner insulating layer (3) and dowel (4) is cross-linked polyethylene insulating material；
The cross-linked polyethylene insulating material includes the component of following parts by weight：65~75 parts of polyethylene, 3~5 parts of aluminum oxide, hydrogen
10~20 parts of magnesia, 0.7~3.5 part of age resister, crosslinking agent 1~3,10~25 parts of polypropylene, 5~7 parts of fire retardant and
1~3 part of auxiliary agent；
The conductor (2) is the Aludirome lenticular wire that width is 3mm~27mm, thickness is 0.04mm~0.65mm；Describedly
The material of line (7) is albronze or steel strand wires.
2. multifunctional agricultural cable according to claim 1, it is characterised in that:The filler of the packed layer (10) is glass
Glass fiber.
3. multifunctional agricultural cable according to claim 1, it is characterised in that:The control line (9) is two, the control
The material of line (9) processed is twisted oxygen-free copper-wire.
4. multifunctional agricultural cable according to claim 1, it is characterised in that:The thickness of the inner insulating layer (3) is
0.45mm~0.85mm；The thickness of the aluminium foil (6) is 0.04mm~0.06mm；The thickness of the external insulation layer (1) be 0.9~
1.1mm, the thickness of the dowel (4) is 0.01mm~0.03mm.
5. multifunctional agricultural cable according to claim 1, it is characterised in that：The multifunctional agricultural cable is by following step
Suddenly it is made：
A, lenticular wire, viscose glue：Aludirome melt goes out flat melt through mould molding, and the conductor (2), conductor are obtained after cooling
(2) the uniform viscose glue of colloidal sol box is passed through, it is stand-by；
B, extrusion molding：It will extrude, go out from product made from step A by the extruding machine with mouth mold corresponding with conductor (2) profile
The flat insulating core for being made and being enclosed with inner insulating layer (3) is cooled down after mould；
At the same time conductor wire (5), zero line (8) and control line (9) are superscribed into packed layer (10) by extruding machine, cools down, treat
With；
C, aluminium foil is coated：By flat insulating core made from step B and the conductor wire (5), the zero line (8) that superscribe packed layer (10)
And control line (9) reuses aluminium foil tight into stand-by semi-finished product together by mould；
D, external insulation extrusion molding：By stand-by semi-finished product and ground wire (7) together through drawing machine travel after completion step C, through mould again
Using extruding machine parcel external insulation layer (1) and extrude, cable molding product are made.
6. multifunctional agricultural cable according to claim 5, it is characterised in that：Also include lettering, detection, sabot：To step
Cable molding product made from rapid D carry out lettering, detection, assemble to obtain finished product.
7. multifunctional agricultural cable according to claim 5, it is characterised in that：In step B, step D, extruding machine point three
Individual temperature controlled region, respectively barrel area, parcel area and head extrusion area, each area set corresponding temperature respectively, wherein, barrel area
170 DEG C~175 DEG C, parcel 173 DEG C~188 DEG C of section, 195 DEG C~198 DEG C of head extrusion area；Extrude machining before need it is pre- in advance
Heat heating 1.5 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610335911.9A CN105845212B (en) | 2016-05-20 | 2016-05-20 | A kind of multifunctional agricultural cable |
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|---|---|---|---|
| CN201610335911.9A CN105845212B (en) | 2016-05-20 | 2016-05-20 | A kind of multifunctional agricultural cable |
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| CN105845212A CN105845212A (en) | 2016-08-10 |
| CN105845212B true CN105845212B (en) | 2018-02-13 |
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| CN108166841A (en) * | 2017-12-22 | 2018-06-15 | 兴业县众旺种植专业合作社 | A kind of passion fruit fruiting line |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902848B (en) * | 2010-05-24 | 2012-05-23 | 广西贵港市群星电缆有限公司 | Heating cable |
| CN201984888U (en) * | 2011-04-06 | 2011-09-21 | 远东电缆有限公司 | Self-supporting landscape lamp cable |
| GB2495349A (en) * | 2012-03-07 | 2013-04-10 | Thermocable Flexible Elements Ltd | Heating cable having a calibration wire |
| CN103467866A (en) * | 2013-08-26 | 2013-12-25 | 晶锋集团股份有限公司 | 125 DEG C high-voltage-resistant insulated cable material and preparation method thereof |
| CN105357782A (en) * | 2015-11-24 | 2016-02-24 | 天津朗兴电线电缆有限公司 | Cable |
| CN205680456U (en) * | 2016-05-20 | 2016-11-09 | 广西南慧电缆有限公司 | A kind of multifunctional agricultural cable |
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Inventor after: Chen Yile Inventor after: Chen Ende Inventor before: Chen Yile Inventor before: Xu Xing |
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