CN210296018U - Flat submersible pump cable with shielding function - Google Patents
Flat submersible pump cable with shielding function Download PDFInfo
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- CN210296018U CN210296018U CN201921573914.1U CN201921573914U CN210296018U CN 210296018 U CN210296018 U CN 210296018U CN 201921573914 U CN201921573914 U CN 201921573914U CN 210296018 U CN210296018 U CN 210296018U
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Abstract
The utility model discloses a flat submersible pump cable with shielding function, which comprises a plurality of cable cores with the same structure and armor layers wrapped outside the cable cores; each cable core comprises a plurality of power supply units, an insulating layer, an oil-proof layer, a corrugated copper pipe and an isolating layer from inside to outside in sequence, wherein the insulating layer is made of polyether ether ketone (PEEK) through extrusion, and the isolating layer is made of ethylene-tetrafluoroethylene copolymer (ETFE) through extrusion. The utility model discloses an adopt wrinkle copper pipe parcel power supply unit, the electromagnetic wave that wrinkle copper pipe produced the power supply unit in each cable core cuts off separately, makes the electromagnetic wave of each cable core respectively not influence, cuts off with the outside electromagnetic wave of cable simultaneously, and then avoids the submersible pump cable to lead to the unbalanced production hysteresis loss of structure because of the flat shape, makes the submersible pump cable have stronger electromagnetic shield function.
Description
Technical Field
The utility model relates to a power cable technical field for the oil-submerged pump, concretely relates to is a flat oil-submerged pump cable with shielding function.
Background
The power cable of the submersible pump is a special cable matched with the submersible electric pump unit and is laid in an oil well, the lower end of the cable is connected with a leading cable, and the upper end of the cable is connected with a ground control cabinet. Due to the limited narrow space of the oil well casing, the submersible pump cable is mainly flat. However, since the flat cable has an asymmetric structure, when power is transmitted, magnetic hysteresis loss is caused by electromagnetic induction generated by imbalance of a magnetic field, and current transmission of the cable is greatly affected. In addition, the oil well is in severe working conditions and is often in environments with strong corrosivity such as high temperature, high pressure, oil-gas-containing and the like, so that the requirement on the mechanical property of the cable of the submersible pump is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome above-mentioned flat submersible pump cable and easily arouse the technical defect of hysteresis loss, the utility model provides a flat submersible pump cable with shielding function can stabilize the inside electromagnetic balance of cable, reduces the hysteresis loss.
In order to solve the above problem, the utility model discloses realize according to following technical scheme:
the utility model relates to a flat submersible pump cable with shielding function, which comprises a plurality of cable cores with the same structure and armor layers wrapped outside the cable cores;
each cable core comprises a plurality of power supply units, an insulating layer, an oil-proof layer, a corrugated copper pipe and an isolating layer from inside to outside in sequence, wherein the insulating layer is made of polyether ether ketone (PEEK) through extrusion, and the isolating layer is made of ethylene-tetrafluoroethylene copolymer (ETFE) through extrusion.
Furthermore, the corrugated copper pipe is formed by embossing a copper strip after longitudinal welding through argon arc welding.
Further, the oil-proof layer is made of ethylene-tetrafluoroethylene copolymer (ETFE) through extrusion, and the oil-proof layer is crosslinked through electron beam irradiation crosslinking equipment.
Further, each power supply unit is a tinned anaerobic copper wire conductor, and the tinned anaerobic copper wire conductor is a solid conductor or a stranded conductor.
Furthermore, the armor layer is formed by interlocking Monel steel belts.
Further, the number of the cable cores is 3, and the 3 cable cores are horizontally arranged in the armor layer side by side and closely arranged.
Furthermore, PP ropes are filled between the 3 cable cores and the armor layer
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an adopt wrinkle copper pipe parcel power supply unit, the electromagnetic wave that wrinkle copper pipe produced the power supply unit in each cable core cuts off separately, makes the electromagnetic wave of each cable core respectively not influence, cuts off with the outside electromagnetic wave of cable simultaneously, and then avoids the submersible pump cable to lead to the unbalanced production hysteresis loss of structure because of the flat shape, makes the submersible pump cable have stronger electromagnetic shield function.
2. The utility model discloses an insulating layer for adopting polyether ether ketone (PEEK) cladding on a plurality of power supply unit, polyether ether ketone (PEEK) have higher melting point (334 ℃) and glass transition temperature (143 ℃), and last service temperature can reach 260 ℃, has stronger corrosion resisting capability simultaneously, ensures that the oil-submersible pump cable can use in high temperature and strong acid-base's oil well environment.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a flat submersible pump cable with shielding function according to the present invention;
in the figure: 1-a cable core; 11-a power supply unit; 12-an insulating layer; 13-oil-proof layer; 14-corrugated copper tubing; 15-an isolation layer; 2-armor layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1, the utility model discloses a flat submersible pump cable preferred structure with shielding function.
The cross section of the flat submersible pump cable with the shielding function is preferably flat, the submersible pump cable comprises a plurality of cable cores 1 with the same structure and armor layers 2 wrapping the outside of the cable cores 1, specifically, the number of the cable cores 1 is preferably 3, the 3 cable cores 1 are horizontally arranged in the armor layers 2 side by side and closely arranged, PP ropes are filled between the cable cores 1 and the armor layers 2, the submersible pump cable is prevented from being extruded and deformed by external force, and the 3 cable cores 1 are ensured to be horizontally arranged closely together.
Furthermore, each cable core 1 sequentially comprises a plurality of power supply units 11, an insulating layer 12, an oil-proof layer 13, a corrugated copper pipe 14 and an isolating layer 15 from inside to outside. Each power supply unit 11 is an oxygen-free copper wire drawn by an oxygen-free copper rod, and a single oxygen-free copper wire can be used for forming a solid conductor or a plurality of oxygen-free copper wires can be used for twisting to form a twisted conductor. The power supply units 11 are twisted to form a power supply cable core to be used as a zero line or a fire line or a ground line of the submersible pump.
The insulating layer 12 is formed by coating polyether ether ketone (PEEK) on the power supply units 11 through an extrusion die of a high-temperature extruder, the polyether ether ketone (PEEK) has a high melting point (334 ℃) and a high glass transition temperature (143 ℃), the continuous use temperature can reach 260 ℃, and meanwhile, the cable has high corrosion resistance, and can be used in high-temperature and strong-acidity-basicity oil well environments.
The oil-repellent layer 13 is formed by extruding ethylene-tetrafluoroethylene copolymer (ETFE) on the insulating layer 12 through an extrusion die of a high-temperature extruder, and then the oil-repellent layer 13 is crosslinked through electron beam irradiation crosslinking equipment, so that the ethylene-tetrafluoroethylene copolymer (ETFE) is changed into a crosslinked ethylene-tetrafluoroethylene copolymer (XETFE). The ethylene-tetrafluoroethylene copolymer (ETFE) is crosslinked to improve the use temperature and acid and alkali resistance, so that the high temperature resistance and the corrosion resistance of the oil-proof layer 13 are further improved, and the submersible pump cable is better applied to the oil well environment.
The corrugated copper pipe 14 wraps the oil-proof layer 13 and is formed by embossing a copper strip after argon arc welding longitudinal welding. The corrugated copper pipe 14 separates the electromagnetic waves generated by the power supply unit 11 in each cable core 1, so that the electromagnetic waves of each cable core 1 are not influenced, and are separated from the electromagnetic waves outside the cable, thereby avoiding the hysteresis loss generated by the unbalanced structure of the submersible pump cable caused by the flat shape, and ensuring that the submersible pump cable has stronger electromagnetic shielding function.
The isolation layer 15 is made of ethylene-tetrafluoroethylene copolymer (ETFE) which is extruded on the corrugated copper pipe 14 through a pipe extruding type die by a high-temperature extruder, the ethylene-tetrafluoroethylene copolymer (ETFE) has excellent performances of ultralow temperature resistance and high temperature resistance, can not generate physical or chemical changes at the temperature of-65 ℃ to +150 ℃, has strong corrosion resistance, and can protect the corrugated copper pipe 14 from corrosion damage and normal work of the internal power supply unit 11 in an oil well environment of a high-strength corrosion environment.
The armor layer 2 is formed by interlocking and armoring Monel steel belts, the overlapping rate of the steel belts is not less than 30%, the Monel steel belts have better sulfur corrosion resistance, and the cable core 1 in the cable of the submersible pump can be protected from being corroded.
Other structures of the flat submersible pump cable with the shielding function described in this embodiment are referred to in the prior art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (7)
1. A flat submersible pump cable with shielding function is characterized by comprising a plurality of cable cores (1) with the same structure and armor layers (2) wrapped outside the cable cores (1);
each cable core (1) is from inside to outside including a plurality of power supply unit (11), insulating layer (12), grease proofing layer (13), wrinkle copper pipe (14) and isolation layer (15) in proper order, insulating layer (12) are made for polyether ether ketone (PEEK) crowded package, isolation layer (15) are made for ethylene-tetrafluoroethylene copolymer (ETFE) crowded package.
2. The flat submersible pump cable with shielding function according to claim 1, characterized in that: the corrugated copper pipe (14) is formed by embossing a copper strip after longitudinal welding through argon arc welding.
3. The flat submersible pump cable with shielding function according to claim 1, characterized in that: the oil-proof layer (13) is made of ethylene-tetrafluoroethylene copolymer (ETFE) through extrusion, and the oil-proof layer (13) is crosslinked through electron beam irradiation crosslinking equipment.
4. The flat submersible pump cable with shielding function according to claim 1, characterized in that: each power supply unit (11) is a tinned anaerobic copper wire conductor which is a solid conductor or a stranded conductor.
5. The flat submersible pump cable with shielding function according to claim 1, characterized in that: the armor layer (2) is formed by Monel steel belt chain armor.
6. The flat submersible pump cable with shielding function according to claim 1, characterized in that: the number of the cable cores (1) is 3, and the 3 cable cores (1) are horizontally arranged in the armor layer (2) side by side and abutted against each other.
7. The flat submersible pump cable with shielding function according to claim 6, characterized in that: PP ropes are filled between the 3 cable cores (1) and the armor layer (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019209969080 | 2019-06-28 | ||
| CN201920996908 | 2019-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210296018U true CN210296018U (en) | 2020-04-10 |
Family
ID=70063740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921573914.1U Active CN210296018U (en) | 2019-06-28 | 2019-09-20 | Flat submersible pump cable with shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210296018U (en) |
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2019
- 2019-09-20 CN CN201921573914.1U patent/CN210296018U/en active Active
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