CN109065248A - A kind of stretch-proof high flame retardant wind energy cable - Google Patents
A kind of stretch-proof high flame retardant wind energy cable Download PDFInfo
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- CN109065248A CN109065248A CN201810784519.1A CN201810784519A CN109065248A CN 109065248 A CN109065248 A CN 109065248A CN 201810784519 A CN201810784519 A CN 201810784519A CN 109065248 A CN109065248 A CN 109065248A
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- inner tube
- wind energy
- cable
- arc
- stretch
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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
- H01B7/17—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
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/42—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
-
- 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
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a kind of stretch-proof high flame retardant wind energy cables, including controller, multiple cable bodies and multiple protective devices, protective device includes upper cover, lower cover and inner tube, the upper surface of upper cover has the first threaded rod, the first movable block and the first locking nut are cased on first threaded rod, the lateral wall of first movable block is hinged with multiple first connecting rods, the end of each first connecting rod is hinged with first abutting part, the lower surface of lower cover has the second threaded rod, second threaded rod is cased with the second movable block and the second locking nut, the lateral wall of second movable block is hinged with multiple second connecting rods, the end of each second connecting rod is hinged with second abutting part, the inner sidewall of inner tube is fixed with fan by blower tray, the inner sidewall of inner tube has temperature sensor, the lower surface of the upper cover is sensed with smog Device.Cable strength of the invention is big, and high fire-retardance.
Description
Technical field
The present invention relates to field of cables, and in particular to a kind of stretch-proof high flame retardant wind energy cable.
Background technique
With the development of technology with people to the pay attention to day by day of environmental protection, the exploitation of new energy is increasingly paid attention to by people,
Wherein wind energy is widely applied due to cleaning renewable, and wind-power electricity generation refers to that the kinetic energy kept watch switchs to electric energy.Wind energy is one
Kind the non-harmful renewable energy energy is cleaned, is utilized very early by people, mainly drawn water by windmill, flour milling etc.,
And it is present, interested people are how to use wind to generate electricity.Wind energy cable needs to be threaded through in wind tower, and length is big, and gravity is big,
And the cable needed is more, is damaged due to the gravity of cable, extruding, friction etc. using easy for a long time.And due to transmission
Electric power is also easy to the problems such as there are temperature height, even burning.
Summary of the invention
Goal of the invention: the present invention is directed to overcome the deficiencies of existing technologies, a kind of stretch-proof high flame retardant wind energy cable is provided.
Technical solution: a kind of cable, including controller, multiple cable bodies and multiple protective devices, multiple cable bodies
In one be relief cable, remaining is wind energy cable, and the protective device includes circular upper cover, circular lower cover and annulus
Cylindrical inner tube, the upper cover are fixedly connected by multiple first dowels with said inner tube, and the lower cover passes through multiple second
Dowel is fixedly connected with said inner tube；The vertical through slot that the inner sidewall of said inner tube has multiple sections arc-shaped, it is each perpendicular
There is a cable body, the excircle of the upper cover has multiple first arc grooves, the outer circle of the lower cover in direct through groove
Week has multiple second arc grooves；The upper surface of the upper cover has the first threaded rod, and the is cased on first threaded rod
One movable block and the first locking nut, the lateral wall of the first movable block are hinged with multiple first connecting rods, each first connecting rod
End be hinged with first abutting part, the lower surface of the lower cover has the second threaded rod, and second threaded rod is cased with
Second movable block and the second locking nut, the lateral wall of the second movable block are hinged with multiple second connecting rods, each second connection
The end of bar is hinged with second abutting part, and the vertical through slot, the first arc groove, the second arc groove, first abut
The quantity of portion and the second abutting part is equal, and the section of first and second abutting part is arc, and each first abutting part abuts
One cable body, each second abutting part abut a cable body；The inner sidewall of said inner tube is fixed by blower tray
There is fan, the inner sidewall of said inner tube has temperature sensor, and the lower surface of the upper cover has smoke sensor device, the upper cover
Lower surface be also equipped with compressed gas storage portion and dry powder fire extinguishing agent storage unit, the compressed gas storage portion and dry-chemical fire extinguishing
Agent storage unit is connected by connecting tube, and the dry powder fire extinguishing agent storage unit is connected with discharge nozzle, has first at the connecting tube
Valve has the second valve at the discharge nozzle；The lateral wall of said inner tube has electromagnet portion and stop collar, outside said inner tube
It is cased with outer tube, the outer tube has multiple first through hole, the outer tube between electromagnet portion and stop collar at said inner tube
Place has multiple second through-holes, and the quantity of first through hole is equal to the quantity of the second through-hole, when the bottom end of outer tube is abutted with stop collar
When, each first through hole is connected to second through-hole, when the top of outer tube is attracted by electromagnet portion, the outer duct occlusion institute
Some first through hole；There is power transmission line and signal transmssion line in the relief cable；It is all temperature sensor, all
Smoke sensor device, all electromagnet portions, all fans, the first all valves and the second all valves with the control
Device connection processed.
Further, the top of the first vertical through slot has the first arc spacer, and the bottom end of the first vertical through slot has the
Two arc spacers；There is third arc spacer at first arc groove, there is the 4th arc spacer at the second arc groove.
Further, there is the 5th arc spacer at the first abutting part, there is the 6th arc spacer at the second abutting part.
Further, multiple first through hole are divided into multiple row, and the quantity of the first through hole of each column is equal, multiple second through-holes point
Quantity for multiple row, the second through-hole of each column is equal.
Further, the quantity of the vertical through slot of said inner tube is 6, and multiple cable bodies are divided into 1 relief cable and 5
A wind energy cable, the relief cable are used to be all temperature sensors, all smoke sensor devices, all electromagnet
Portion, all fans, the first all valves and all the second valve power supplies, and relief cable is all temperature sensors
Signal is transmitted with all smoke sensor devices.
Further, the wind energy cable successively includes wearing layer, armor, the first insulating layer and the first resistance from outside to inside
Layer is fired, there are multiple pressure pipes between first insulating layer and the first flame-retardant layer, there is tension rope in first insulating layer
With multiple core wires, the core wire successively includes sheath, the second flame-retardant layer, shielded layer, second insulating layer and conductor from outside to inside.
Further, the lateral wall of inner tube has 2 electromagnet portions, the distance phase in 2 electromagnet portions to the top of inner tube
Deng；The pressure pipe is hollow rubber tube.
Further, the controller is controlled, and for each protective device, does not sense cigarette in smoke sensor device
In the case where mist, when the measured value of temperature sensor is greater than first threshold and is less than second threshold, make the electricity of the protective device
Magnet part, the first valve, the second valve are closed, and fan is opened, when the measured value of temperature sensor is less than or equal to first threshold,
Close the first valve of the protective device, the second valve, fan and electromagnet portion, when the measured value of temperature sensor is greater than etc.
When second threshold, close the fan of the protective device, electromagnet portion, the first valve and the second valve opening；It is passed in smog
In the case that sensor senses smog, close fan, the first valve, the second valve and electromagnet portion are opened.
Further, the spacing between adjacent inner tube is less than 0.3 meter.
Further, each inner tube is fixedly connected with 2 fixed brackets.
Further, there is tension rope sheath outside tension rope.
Further, said inner tube and outer tube can offer side door, and opening side door can be to compressed gas storage portion
It is safeguarded with powder fire extinguishing agent storage unit, the side door of usual inner and outer tubes is closed.
Cable body relies primarily on the first abutting part and the second abutting part is pushed against and fixed, by rotating the first and second locking screw
Mother can push against.
The utility model has the advantages that cable of the invention is by integrating multiple cable bodies, so that it is strong to obtain stronger entirety
Degree, and there is high flame resistance, there is self-extinguishing performance.
Detailed description of the invention
When Fig. 1 is that the first and second through-hole is connected to, cable schematic diagram；
When Fig. 2 is that outer tube blocks first through hole, cable schematic diagram；
Fig. 3 is schematic top plan view when inner tube and upper cover cooperate；
Fig. 4 is wind energy cable schematic diagram.
Specific embodiment
Appended drawing reference: 1 upper cover；1.1 first abutting parts；1.2 first connecting rod；1.3 first threaded rods；1.4 first activities
Block；1.5 first locking nuts；1.6 third arc spacers；1.7 first dowels；2 lower covers；2.1 second abutting parts；2.2 second
Connecting rod；2.3 second threaded rods；2.4 second movable blocks；2.5 second locking nuts；2.6 the 4th arc spacers；3 inner tubes；3.1
First arc spacer；3.2 second arc spacers；3.3 first through hole；4 outer tubes；4.1 second through-holes；4.2 electromagnet portions；4.3 limit
Position ring；5 fans；5.1 blower tray；6 compressed gas storage portions；6.1 first valves；6.2 dry powder fire extinguishing agent storage units；63 second
Valve；7.1 temperature sensor；7.2 smoke sensor device；10.1 relief cables；10.2 wind energy cables；11.1 wearing layers, 11.2 armours
Fill layer, 11.3 first insulating layers, 11.5 first flame-retardant layers, 11.4 pressure pipes, 12.1 sheaths, 12.2 second flame-retardant layers, 12.3
Shielded layer, 12.4 second insulating layers, 12.5 conductors；13.1 tension rope；13.2 tension rope sheaths.
A kind of stretch-proof high flame retardant wind energy cable, including controller, multiple cable bodies and multiple protective devices, it is multiple
One in cable body is relief cable 10.1, remaining is wind energy cable 10.2, and the protective device includes circular upper cover
1, circular lower cover 2 and the cylindrical inner tube 3 of annulus, the upper cover are fixedly connected by multiple first dowels with said inner tube,
The lower cover is fixedly connected by multiple second dowels with said inner tube；It is in arc that the inner sidewall of said inner tube, which has multiple sections,
The vertical through slot of shape, each vertical through slot is interior to have a cable body, and the excircle of the upper cover has multiple first arcs
The excircle of groove, the lower cover has multiple second arc grooves；The upper surface of the upper cover has the first threaded rod 1.3,
The first movable block 1.4 and the first locking nut 1.5, the lateral wall hinge of the first movable block 1.4 are cased on first threaded rod 1.3
Multiple first connecting rods 1.2 are connected to, the end of each first connecting rod is hinged with first abutting part 1.1, the lower cover
Lower surface has the second threaded rod 2.3, and second threaded rod 2.3 is cased with the second movable block 2.4 and the second locking nut 2.5,
The lateral wall of second movable block is hinged with multiple second connecting rods 2.2, and the end of each second connecting rod is hinged with one second
Abutting part 2.1, the quantity of the vertical through slot, the first arc groove, the second arc groove, the first abutting part and the second abutting part
It is equal, the section of first and second abutting part is arc, and each first abutting part 1.1 abuts a cable body, each
Second abutting part 2.1 abuts a cable body；The inner sidewall of said inner tube is fixed with fan 5 by blower tray 5.1, described
The inner sidewall of inner tube has a temperature sensor 7.1, and the lower surface of the upper cover has a smoke sensor device 7.2, under the upper cover
Surface is also equipped with compressed gas storage portion 6 and dry powder fire extinguishing agent storage unit 6.2, the compressed gas storage portion and dry-chemical fire extinguishing
Agent storage unit is connected by connecting tube, and the dry powder fire extinguishing agent storage unit is connected with discharge nozzle, has first at the connecting tube
Valve 6.1 has the second valve 6.3 at the discharge nozzle；The lateral wall of said inner tube has electromagnet portion 4.2 and stop collar,
It is cased with outer tube outside said inner tube, the outer tube has multiple between electromagnet portion 4.2 and stop collar 4.3, at said inner tube 3
First through hole 3.3 has multiple second through-holes 4.1 at the outer tube 4, and the quantity of first through hole is equal to the quantity of the second through-hole,
When the bottom end of outer tube is abutted with stop collar, each first through hole is connected to second through-hole, when the top of outer tube is by electromagnetism
When iron portion attracts, all first through hole of the outer duct occlusion；There is power transmission line and signal to transmit in the relief cable
Line；All temperature sensor, all smoke sensor devices, all electromagnet portions, all fans, the first all valves
It is connect with the controller with the second all valves.
The top of first vertical through slot has the first arc spacer, and the bottom end of the first vertical through slot has the second arc-shaped pad
Piece；There is third arc spacer at first arc groove, there is the 4th arc spacer at the second arc groove.At first abutting part
With the 5th arc spacer, there is the 6th arc spacer at the second abutting part.Multiple first through hole are divided into multiple row, and the first of each column
The quantity of through-hole is equal, and multiple second through-holes are divided into multiple row, and the quantity of the second through-hole of each column is equal.The vertical of said inner tube leads to
The quantity of slot is 6, and multiple cable bodies are divided into 1 relief cable and 5 wind energy cables, and the relief cable is for being all
Temperature sensor, all smoke sensor devices, all electromagnet portions, all fans, the first all valve and all
The power supply of the second valve, and relief cable is that all temperature sensor and all smoke sensor devices transmit signal.The wind
Can cable from outside to inside successively include wearing layer, armor, the first insulating layer and the first flame-retardant layer, first insulating layer and the
There are multiple pressure pipes between one flame-retardant layer, there is in first insulating layer tension rope and multiple core wires, the core wire is from outer
To interior successively including sheath, the second flame-retardant layer, shielded layer, second insulating layer and conductor.The lateral wall of inner tube has 2 electromagnetism
Iron portion, 2 electromagnet portion being equidistant to the top of inner tube；The pressure pipe is hollow rubber tube.Adjacent inner tube it
Between spacing less than 0.3 meter.Each inner tube is fixedly connected with 2 fixed brackets.
Since multiple cable bodies integrate, and have a protective device every a distance, and protect
Device can be fixed on the inner sidewall of wind tower, so that the integral strength of cable is bigger, be hardly damaged.And it is fire-retardant in order to realize
And heat dissipation, devise following scheme.
The controller is controlled, for each protective device, the case where smoke sensor device does not sense smog
Under, when the measured value of temperature sensor is greater than first threshold and is less than second threshold, (cable is only to generate heat at this time, is not sent out
Raw burning), close the electromagnet portion of the protective device, fan unlatching, when the measured value of temperature sensor is less than or equal to first
When threshold value (cable does not generate heat at this time, by first through hole natural heat dissipation, without opening fan), make the wind of the protective device
Fan and electromagnet portion close, and (may burn), make at this time when the measured value of temperature sensor is more than or equal to second threshold
Electromagnet portion, the first valve and the second valve opening of the protective device；(this in the case where smoke sensor device senses smog
Shi Keneng cable is burnt), close fan, the first valve, the second valve and electromagnet portion are opened.It may be sent out in cable
In the case where raw burning, by opening electromagnet portion, using outer duct occlusion first through hole, so that oxygen is prevented to enter in inner tube,
In addition, opening the first and second valve, dry powder extinguisher sprays outward under the air-flow of compressed gas, to carry out fire extinguishing and into one
It walks fire-retardant.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (10)
1. a kind of stretch-proof high flame retardant wind energy cable, which is characterized in that including controller, multiple cable bodies and multiple protections
Device, one in multiple cable bodies is relief cable, remaining is wind energy cable, and the protective device includes on circular
Lid, circular lower cover and the cylindrical inner tube of annulus, the upper cover are fixedly connected by multiple first dowels with said inner tube, institute
It states lower cover and is fixedly connected by multiple second dowels with said inner tube；The inner sidewall of said inner tube has multiple sections arc-shaped
Vertical through slot, there is a cable body in each vertical through slot, the excircle of the upper cover has multiple first arcs recessed
The excircle of slot, the lower cover has multiple second arc grooves；The upper surface of the upper cover has the first threaded rod, and described the
The first movable block and the first locking nut are cased on one threaded rod, the lateral wall of the first movable block is hinged with multiple first connections
Bar, the end of each first connecting rod are hinged with first abutting part, and the lower surface of the lower cover has the second threaded rod, institute
It states the second threaded rod and is cased with the second movable block and the second locking nut, the lateral wall of the second movable block is hinged with multiple second connections
Bar, the end of each second connecting rod are hinged with second abutting part, the vertical through slot, the first arc groove, the second arc
The quantity of connected in star, the first abutting part and the second abutting part is equal, and the section of first and second abutting part is arc, often
A first abutting part abuts a cable body, and each second abutting part abuts a cable body；The inner sidewall of said inner tube
It is fixed with fan by blower tray, the inner sidewall of said inner tube has temperature sensor, and the lower surface of the upper cover has cigarette
Mist sensor, the lower surface of the upper cover are also equipped with compressed gas storage portion and dry powder fire extinguishing agent storage unit, the compressed gas
Body storage unit is connected with dry powder fire extinguishing agent storage unit by connecting tube, and the dry powder fire extinguishing agent storage unit is connected with discharge nozzle, institute
Stating has the first valve at connecting tube, have the second valve at the discharge nozzle；The lateral wall of said inner tube has electromagnet portion
And stop collar, said inner tube are cased with outer tube outside, the outer tube has more between electromagnet portion and stop collar, at said inner tube
A first through hole, has multiple second through-holes at the outer tube, and the quantity of first through hole is equal to the quantity of the second through-hole, works as outer tube
Bottom end when being abutted with stop collar, each first through hole is connected to second through-hole, when the top of outer tube is inhaled by electromagnet portion
When drawing, all first through hole of the outer duct occlusion；There is power transmission line and signal transmssion line in the relief cable；It is all
Temperature sensor, all smoke sensor devices, all electromagnet portions, all fans, the first all valve and all
The second valve connect with the controller.
2. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that the top of the first vertical through slot
With the first arc spacer, the bottom end of the first vertical through slot has the second arc spacer；There is third arc at first arc groove
Shape gasket has the 4th arc spacer at the second arc groove.
3. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that have the at the first abutting part
Five arc spacers have the 6th arc spacer at the second abutting part.
4. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that multiple first through hole are divided into more
Column, the quantity of the first through hole of each column is equal, and multiple second through-holes are divided into multiple row, and the quantity of the second through-hole of each column is equal.
5. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that the vertical through slot of said inner tube
Quantity be 6, multiple cable bodies are divided into 1 relief cable and 5 wind energy cables, and the relief cable is used to be all
Temperature sensor, all smoke sensor devices, all electromagnet portions, all fans, the first all valve and all
The power supply of second valve, and relief cable is that all temperature sensors and all smoke sensor devices transmit signal.
6. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that the wind energy cable from outside to
It include successively inside wearing layer, armor, the first insulating layer and the first flame-retardant layer, between first insulating layer and the first flame-retardant layer
With multiple pressure pipes, there is tension rope and multiple core wires in first insulating layer, the core wire successively includes from outside to inside
Sheath, the second flame-retardant layer, shielded layer, second insulating layer and conductor.
7. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that the lateral wall of inner tube has 2
A electromagnet portion, 2 electromagnet portion being equidistant to the top of inner tube；The pressure pipe is hollow rubber tube.
8. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that the controller is controlled
System, for each protective device, in the case where smoke sensor device does not sense smog, when the measured value of temperature sensor is big
In first threshold and be less than second threshold when, closes the electromagnet portion of the protective device, fan unlatching, when temperature sensor
When measured value is less than or equal to first threshold, close the fan of the protective device and electromagnet portion, when the measurement of temperature sensor
When value is more than or equal to second threshold, close the fan of the protective device, electromagnet portion, the first valve and the second valve opening；
In the case where smoke sensor device senses smog, close fan, the first valve, the second valve and electromagnet portion are opened.
9. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that between adjacent inner tube
Away from less than 0.3 meter.
10. stretch-proof high flame retardant wind energy cable according to claim 1, which is characterized in that each inner tube is fixedly connected
There are 2 fixed brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784519.1A CN109065248B (en) | 2018-07-17 | 2018-07-17 | Anti-tensile high-flame-retardancy wind energy cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784519.1A CN109065248B (en) | 2018-07-17 | 2018-07-17 | Anti-tensile high-flame-retardancy wind energy cable |
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| Publication Number | Publication Date |
|---|---|
| CN109065248A true CN109065248A (en) | 2018-12-21 |
| CN109065248B CN109065248B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810784519.1A Active CN109065248B (en) | 2018-07-17 | 2018-07-17 | Anti-tensile high-flame-retardancy wind energy cable |
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| CN205543912U (en) * | 2016-03-01 | 2016-08-31 | 陈昊 | Box -type substation with automatic fire extinguishing function |
| CN106653207A (en) * | 2016-12-08 | 2017-05-10 | 中国海洋石油总公司 | Cable cooling device with overheat alarming function |
| CN207475151U (en) * | 2017-10-23 | 2018-06-08 | 天津海能电力建设有限公司 | A kind of protective device of long-distance transmission line |
| CN108010615A (en) * | 2017-11-28 | 2018-05-08 | 安徽恒晶电缆集团有限公司 | A kind of anti-twist cable used for wind power generation |
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| CN109065248B (en) | 2020-11-13 |
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Effective date of registration: 20211230 Address after: 225600 No. 21, Xingling East Road, Lingtang industrial concentration zone, Gaoyou City, Yangzhou City, Jiangsu Province Patentee after: YANGZHOU HUACHENG CABLE Co.,Ltd. Address before: 225600 Jiangsu province Yangzhou city Gaoyou City Ling Tong industrial concentration area Patentee before: YANGZHOU YIFENGCHENG INFORMATION TECHNOLOGY Co.,Ltd. |
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