CN109411124A - Polyvinyl chloride insulation copper wire armored power cable - Google Patents
Polyvinyl chloride insulation copper wire armored power cable Download PDFInfo
- Publication number
- CN109411124A CN109411124A CN201811245965.1A CN201811245965A CN109411124A CN 109411124 A CN109411124 A CN 109411124A CN 201811245965 A CN201811245965 A CN 201811245965A CN 109411124 A CN109411124 A CN 109411124A
- Authority
- CN
- China
- Prior art keywords
- polyvinyl chloride
- end unit
- copper wire
- chloride insulation
- power cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- H01B7/17—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
- H01B7/22—Metal wires or tapes, e.g. made of steel
-
- 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
- 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
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
-
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses a kind of polyvinyl chloride insulation copper wire armored power cables, including controller, cable body and fire-retarding device, the fire-retarding device includes first end unit, the second end unit and multiple temporary locations, between first end unit and temporary location adjacent thereto, between the second end unit and temporary location adjacent thereto, flexible pipe is respectively connected between two adjacent temporary locations, the cable body passes through first end unit, the second end unit, all temporary locations and all flexible pipes, there is blower at first end unit, there is inert gas storage device at the second end unit；The cable body successively includes outer jacket, copper wire armored layer, flame-retardant layer, polyvinyl chloride insulation layer from outside to inside, has multiple conducting wires in the polyvinyl chloride insulation layer, the conducting wire includes conductor and the inner insulating layer outside conductor.Cable body of the invention insulate, flame retardant property is good.
Description
Technical field
The present invention relates to field of cables, and in particular to polyvinyl chloride insulation copper wire armored power cable.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.According to the needs of different voltage, need using different types of power cable, in use due to power cable,
Sometimes the electric power transmitted is larger, therefore insulation performance for cable and fire-retardant novel more demanding.In case of burning, can make
At not greater loss.
Summary of the invention
Goal of the invention: the present invention is directed to overcome the deficiencies of existing technologies, a kind of polyvinyl chloride insulation copper wire armored electricity is provided
Power cable.
Technical solution: a kind of power cable, including controller, cable body and fire-retarding device, the fire-retarding device include
First end unit, the second end unit and multiple temporary locations, between first end unit and temporary location adjacent thereto,
It is respectively connected with flexible pipe between two temporary locations between the second end unit and temporary location adjacent thereto, adjacent, institute
Cable body is stated across first end unit, the second end unit, all temporary locations and all flexible pipes；The centre
Unit includes the round tube of both ends open, and temperature sensor and smoke sensor device, the first end list are equipped in the round tube
Member includes loose collar, the first annulus cylindrical portion and first Circular Plate fixed with the first annulus cylindrical portion end, first circle
There is first inner chamber, the first inner chamber is connected with first passage and multiple second channels, and first passage is connected with wind in ring flat-plate
Machine, fixed ring is fixed on the inside of the first annulus cylindrical portion, and the fixed ring is fixed in face of the side of the first Circular Plate
Multiple positioning columns, the loose collar have multiple location holes with positioning column cooperation, and the quantity of positioning column is equal to location hole
Quantity, each positioning column is inserted into a location hole, and is cased with one between loose collar and fixed ring outside each positioning column
Compressed spring, the loose collar is fixed with multiple taper types protrusion, the number of taper type protrusion in face of the side of the first Circular Plate
Amount is equal to the quantity of second channel, and when no external force, each taper type protrusion closes the end of a second channel, and described the
The side wall of one annulus cylindrical portion also has venthole, has the first valve, the inside of first Circular Plate at the venthole
It is fixedly connected with the lateral wall of cable body；The second end unit include the second annulus cylindrical portion and with the second annulus cylindricality
The second fixed Circular Plate of portion end, second Circular Plate is interior to have second inner chamber, and it is logical that the second inner chamber is connected with third
Road and multiple fourth lanes, multiple fourth lanes are connected to the inside of the second annulus cylindrical portion, and third channel connects triple valve,
Triple valve is also connected with escape pipe and air inlet pipe, and the air inlet pipe is connected with inert gas storage device, has at the air inlet pipe
There is the second valve, the inside of second Circular Plate is fixedly connected with the lateral wall of cable body；First valve, the second valve
Door, triple valve, blower, all temperature sensors and all smoke sensor devices are connect with the controller.
Further, body successively includes outer jacket, copper wire armored layer, flame-retardant layer, polyvinyl chloride insulation layer, institute from outside to inside
Stating has multiple conducting wires in polyvinyl chloride insulation layer, the conducting wire includes conductor and the inner insulating layer outside conductor.
Further, the copper wire armored layer is tinned copper wire armor.
Further, the inner insulating layer has polyvinyl chloride to be made.
Further, heat-resistant particles are filled between the conducting wire and polyvinyl chloride insulation layer.
Further, the flame-retardant layer is low-smoke non-halogen flame-retardant layer.
Further, the quantity of the second channel is equal to the quantity of fourth lane, is more than or equal to 8.
Further, the quantity of the temporary location of each fire-retarding device is more than or equal to 4.
Further, the lateral wall of the inside of first Circular Plate and cable body seals fixed connect by adhesive glue
It connects；The inside of second Circular Plate and the lateral wall of cable body are sealedly and fixedly connected by adhesive glue.
It further, further include wireless communication unit, the controller is controlled, when more than one temperature sensor
Measured value when being more than or equal to given threshold or more than one smoke sensor device and sensing smog, make the wireless communication
Unit emits alarm signal.
Further, first and second valve is solenoid valve.
Further, the loose collar is fixed with 8 taper type protrusions, 8 taper type protrusion equidistantly distributeds.
Further, the controller is controlled, when the measured value of all temperature sensors is respectively less than exothermic temperature
Threshold value, and when all smoke sensor devices do not sense smog, it is turned off blower, the first valve, the second valve, makes
Triple channel is connected to escape pipe；When all temperature sensors are respectively less than given threshold, all smoke sensor devices are not felt
When should arrive smog, and there is the measured value of more than one temperature sensor to be more than or equal to exothermic temperature threshold value, make the first and second valve
Door is closed, blower is opened, and is connected to third channel with escape pipe；When more than one temperature sensor measured value be greater than etc.
When given threshold or more than one smoke sensor device sense smog, the first and second valve opening, blower are closed, is made
Third channel is connected to inert gas storage device.
Further, including 2 or more the fire-retarding devices, in two adjacent fire-retarding devices, one of them is fire-retardant
The first end unit of device is fixedly connected with the second end unit of another fire-retarding device.
The utility model has the advantages that cable of the invention, good flame retardation effect is nonflammable when carrying out power transmission.
Detailed description of the invention
Fig. 1 is to utilize fan radiating schematic diagram；
Fig. 2 is a partial enlarged view of Figure 1；
Fig. 3 is schematic diagram of being put out a fire using inert gas storage device；
Fig. 4 is Fig. 2 partial enlarged view；
Fig. 5 is cable body schematic diagram.
Specific embodiment
Appended drawing reference: 1 first end unit；2 the second end units；3 temporary locations；4 flexible pipes；5 cable bodies；1.1
First annulus cylindrical portion；1.2 first Circular Plates；1.3 first inner chamber；1.4 second channel；1.5 first passage；1.6 blower；1.7
Loose collar；1.8 fixed ring；1.9 positioning column；1.10 compressed spring；1.11 taper type is raised；1.12 the first valve；2.1 second circles
Ring-cylindrical portion；2.2 second Circular Plates；2.3 second inner chamber；2.4 fourth lane；2.5 third channel；2.6 escape pipe；2.7 air inlet
Pipe；2.8 inert gas storage devices；2.9 triple valve；2.10 the second valve；5.1 outer jacket；5.2 copper wire armored layers；5.3 polychlorostyrene
Ethylene insulating layer；5.4 flame-retardant layer；5.5 inner insulating layer；5.6 conductor.
A kind of power cable, including controller, cable body and fire-retarding device, the fire-retarding device include first end list
Member 1, the second end unit 2 and multiple temporary locations 3, between first end unit 1 and temporary location 3 adjacent thereto, second
It is respectively connected with flexible pipe between two temporary locations 3 between end unit 2 and temporary location 3 adjacent thereto, adjacent, it is described
Cable body 5 passes through first end unit 1, the second end unit 2, all temporary locations 3 and all flexible pipes；In described
Between unit include both ends open round tube, temperature sensor 3.1 and smoke sensor device 3.2 be installed in the round tube, described
One end unit includes loose collar 1.7, the first annulus cylindrical portion 1.1 and first annulus fixed with the first annulus cylindrical portion end
Plate 1.2, first Circular Plate is interior to have first inner chamber 1.3, and the first inner chamber is connected with first passage 1.4 and multiple second
Channel 1.5, first passage are connected with blower 1.6, and fixed ring 1.8 is fixed on the inside of the first annulus cylindrical portion, described solid
Determine anchor ring and multiple positioning columns 1.9 are fixed with to the side of the first Circular Plate, the loose collar is matched with multiple with the positioning column
The location hole of conjunction, the quantity of positioning column are equal to the quantity of location hole, and each positioning column is inserted into a location hole, and each positioning column
A compressed spring 1.10 between loose collar 1.7 and fixed ring 1.8 is cased with outside 1.9, the loose collar is in face of the first circle
The side of ring flat-plate is fixed with multiple taper type protrusions 1.11, and the quantity of taper type protrusion is equal to the quantity of second channel 1.4, without outer
When power, each taper type protrusion 1.11 closes the end of a second channel, and the side wall of the first annulus cylindrical portion is also
With venthole, there is the first valve 1.2 at the venthole, the inside of first Circular Plate 1.2 and cable body it is outer
Side wall is fixedly connected；The second end unit includes the second annulus cylindrical portion 2.1 and consolidates with 2.1 end of the second annulus cylindrical portion
The second fixed Circular Plate 2.2, second Circular Plate is interior to have second inner chamber 2.3, and the second inner chamber is connected with third channel
2.5 and multiple fourth lanes 2.4, multiple fourth lanes 2.4 be connected to the inside of the second annulus cylindrical portion, third channel 2.4
Triple valve is connected, triple valve is also connected with escape pipe 2.6 and air inlet pipe 2.7, and the air inlet pipe 2.7 is connected with inert gas storage
Device 2.8, has the second valve 2.10 at the air inlet pipe 2.7, the inside of second Circular Plate 2.2 and cable body 5
Lateral wall is fixedly connected；First valve 1.12, the second valve 2.10, triple valve, blower, inert gas storage device 2.8,
All temperature sensors and all smoke sensor devices are connect with the controller；The cable body is from outside to inside successively
Including outer jacket 5.1, copper wire armored layer 5.2, flame-retardant layer 5.3, polyvinyl chloride insulation layer 5.4, the polyvinyl chloride insulation layer 5.4
Interior to have multiple conducting wires, the conducting wire includes conductor 5.6 and the inner insulating layer 5.5 outside conductor.
The copper wire armored layer is tinned copper wire armor.The inner insulating layer has polyvinyl chloride to be made.The conducting wire and
Heat-resistant particles are filled between polyvinyl chloride insulation layer.The flame-retardant layer is low-smoke non-halogen flame-retardant layer.The number of the second channel
Amount is equal to the quantity of fourth lane, is more than or equal to 8.The quantity of the temporary location of each fire-retarding device is more than or equal to 4.
The inside of first Circular Plate and the lateral wall of cable body are sealedly and fixedly connected by adhesive glue；Second Circular Plate
The lateral wall of inside and cable body is sealedly and fixedly connected by adhesive glue.Further include wireless communication unit, the controller into
Row control, when the measured value of more than one temperature sensor is more than or equal to given threshold or more than one smog sensing
When device senses smog, make the wireless communication unit transmitting alarm signal.First and second valve is solenoid valve.
Cable body of the invention has flame-retardant layer, two insulating layers and a heat-resistant particles, fire retardant insulating performance itself compared with
It is high.And in order to further enhance flame retardant property, fire-retarding device is increased, when normal condition carries out power transmission, cable sometimes
Also it can have a slight fever, such as all temperature sensors of fire-retarding device are respectively less than given threshold, all smoke sensor devices are equal
When not sensing smog, and thering is the measured value of more than one temperature sensor to be more than or equal to exothermic temperature threshold value, make the
One, two valves are closed, blower is opened, and is connected to third channel with escape pipe；The air-flow of blower pushes taper type protrusion open at this time,
Purging cable surface cools down.
When the measured value of more than one temperature sensor is more than or equal to given threshold or more than one smog sensing
When device senses smog, the first and second valve opening, blower are closed, is connected to third channel with inert gas storage device, from
And inert gas is utilized to achieve the purpose that fire extinguishing full of in fire-retarding device, and at one end after the time, first and second can be closed
Valve.
When without being turned off blower, the first valve, the second valve, so that third channel is connected to escape pipe when radiating.
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 polyvinyl chloride insulation copper wire armored power cable, which is characterized in that including controller, cable body and fire-retardant dress
Set, the fire-retarding device includes first end unit, the second end unit and multiple temporary locations, first end unit and and its
Two temporary locations between adjacent temporary location, between the second end unit and temporary location adjacent thereto, adjacent it
Between be respectively connected with flexible pipe, the cable body passes through first end unit, the second end unit, all temporary locations and institute
Some flexible pipes；The temporary location includes the round tube of both ends open, and temperature sensor is equipped in the round tube and smog passes
Sensor, the first end unit include loose collar, the first annulus cylindrical portion and fixed with the first annulus cylindrical portion end the
One Circular Plate, first Circular Plate is interior to have first inner chamber, and the first inner chamber is connected with first passage and multiple second and leads to
Road, first passage are connected with blower, and fixed ring is fixed on the inside of the first annulus cylindrical portion, and the fixed ring faces first
The side of Circular Plate is fixed with multiple positioning columns, and the loose collar has multiple location holes with positioning column cooperation, positioning
The quantity of column is equal to the quantity of location hole, and each positioning column is inserted into a location hole, and is cased with one outside each positioning column and is located at
Compressed spring between loose collar and fixed ring, it is convex that the side that the loose collar faces the first Circular Plate is fixed with multiple taper types
It rising, the quantity of taper type protrusion is equal to the quantity of second channel, when no external force, each the closing of taper type protrusion one described second
The end in channel, the side wall of the first annulus cylindrical portion also have venthole, have the first valve at the venthole, described
The inside of first Circular Plate is fixedly connected with the lateral wall of cable body；The second end unit includes the second annulus cylindrical portion
With second Circular Plate fixed with the second annulus cylindrical portion end, there is second inner chamber in second Circular Plate, described second
Inner cavity is connected with third channel and multiple fourth lanes, and multiple fourth lanes are connected to the inside of the second annulus cylindrical portion, the
Triple channel connects triple valve, and triple valve is also connected with escape pipe and air inlet pipe, and the air inlet pipe is connected with inert gas storage dress
It sets, there is the second valve, the inside of second Circular Plate is fixedly connected with the lateral wall of cable body at the air inlet pipe；Institute
State the first valve, the second valve, triple valve, blower, inert gas storage device, all temperature sensors and all smog
Sensor is connect with the controller；The cable body successively includes outer jacket from outside to inside, copper wire armored layer, fire-retardant
Layer, polyvinyl chloride insulation layer, have multiple conducting wires in the polyvinyl chloride insulation layer, and the conducting wire includes conductor and is located at conductor
Outer inner insulating layer.
2. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that the copper wire armored
Layer is tinned copper wire armor.
3. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that the inner insulating layer
There is polyvinyl chloride to be made.
4. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that the conducting wire and poly-
Heat-resistant particles are filled between vinyl chloride insulation layer.
5. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that the flame-retardant layer is
Low-smoke non-halogen flame-retardant layer.
6. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that the second channel
Quantity be equal to fourth lane quantity, be more than or equal to 8.
7. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that each fire-retarding device
Temporary location quantity be more than or equal to 4.
8. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that first annulus
The inside of plate and the lateral wall of cable body are sealedly and fixedly connected by adhesive glue；The inside of second Circular Plate and cable sheet
The lateral wall of body is sealedly and fixedly connected by adhesive glue.
9. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that further include channel radio
Believe unit, the controller controlled, when the measured value of more than one temperature sensor is more than or equal to given threshold, or
When more than one smoke sensor device senses smog, make the wireless communication unit transmitting alarm signal.
10. polyvinyl chloride insulation copper wire armored power cable according to claim 1, which is characterized in that including 2 or more
The fire-retarding device, in two adjacent fire-retarding devices, the first end unit of one of fire-retarding device and another resistance
The second end unit of combustion device is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245965.1A CN109411124B (en) | 2018-10-24 | 2018-10-24 | Polyvinyl chloride insulated copper wire armored power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245965.1A CN109411124B (en) | 2018-10-24 | 2018-10-24 | Polyvinyl chloride insulated copper wire armored power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109411124A true CN109411124A (en) | 2019-03-01 |
| CN109411124B CN109411124B (en) | 2023-04-07 |
Family
ID=65469031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811245965.1A Active CN109411124B (en) | 2018-10-24 | 2018-10-24 | Polyvinyl chloride insulated copper wire armored power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109411124B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045241A (en) * | 2019-04-18 | 2019-07-23 | 中国电力科学研究院有限公司 | A kind of method and system for the capacitive coupling partial discharge detection to high-voltage crosslinking sea cable factory connector |
| CN110706857A (en) * | 2019-10-16 | 2020-01-17 | 扬州市红旗电缆制造有限公司 | High ageing resistance does not have steamed low fire-retardant marine frock spare special cable of cigarette |
| CN111403090A (en) * | 2020-03-11 | 2020-07-10 | 扬州曙光电缆股份有限公司 | Special cable for harsh environment of third-generation nuclear power station |
| CN112927848A (en) * | 2021-01-25 | 2021-06-08 | 郭智昊 | Copper clad aluminum conductor low-smoke halogen-free A-class flame-retardant power cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000096982A (en) * | 1998-09-17 | 2000-04-04 | Ougiya Koji Kk | Variable test device for underground burying pipe-line continuity inspection and composite cable for test device |
| CN108305713A (en) * | 2018-01-10 | 2018-07-20 | 宁波高新区新柯保汽车科技有限公司 | Motor cooling electric wire |
-
2018
- 2018-10-24 CN CN201811245965.1A patent/CN109411124B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000096982A (en) * | 1998-09-17 | 2000-04-04 | Ougiya Koji Kk | Variable test device for underground burying pipe-line continuity inspection and composite cable for test device |
| CN108305713A (en) * | 2018-01-10 | 2018-07-20 | 宁波高新区新柯保汽车科技有限公司 | Motor cooling electric wire |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045241A (en) * | 2019-04-18 | 2019-07-23 | 中国电力科学研究院有限公司 | A kind of method and system for the capacitive coupling partial discharge detection to high-voltage crosslinking sea cable factory connector |
| CN110045241B (en) * | 2019-04-18 | 2022-12-09 | 中国电力科学研究院有限公司 | Method and system for detecting capacitive coupling partial discharge of high-voltage cross-linked submarine cable engineering joint |
| CN110706857A (en) * | 2019-10-16 | 2020-01-17 | 扬州市红旗电缆制造有限公司 | High ageing resistance does not have steamed low fire-retardant marine frock spare special cable of cigarette |
| CN111403090A (en) * | 2020-03-11 | 2020-07-10 | 扬州曙光电缆股份有限公司 | Special cable for harsh environment of third-generation nuclear power station |
| CN111403090B (en) * | 2020-03-11 | 2021-04-09 | 扬州曙光电缆股份有限公司 | Special cable for harsh environment of third-generation nuclear power station |
| CN112927848A (en) * | 2021-01-25 | 2021-06-08 | 郭智昊 | Copper clad aluminum conductor low-smoke halogen-free A-class flame-retardant power cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109411124B (en) | 2023-04-07 |
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