CN115831451A - Corona-resistant photovoltaic power cable - Google Patents
Corona-resistant photovoltaic power cable Download PDFInfo
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- CN115831451A CN115831451A CN202310112836.XA CN202310112836A CN115831451A CN 115831451 A CN115831451 A CN 115831451A CN 202310112836 A CN202310112836 A CN 202310112836A CN 115831451 A CN115831451 A CN 115831451A
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- 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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses a corona-resistant photovoltaic power cable, which relates to the field of cables and comprises two groups of cable bodies, wherein each group of cable body consists of four annular conductors which are distributed at equal intervals, and the outer side of each conductor is wrapped with an insulating layer; anti corona mechanism sets up in the outside of conductor for weaken the corona to the harmful effects of conductor, including internal shield layer and outer shielding layer, the internal shield layer wraps up in the insulating layer outside respectively, the outer shielding layer wraps up in the internal shield layer outside respectively, internal shield layer and outer shielding layer are formed by polyvinyl chloride and silicon oxide hybrid processing. Can realize leaving the gap between so that the conductor through the inside support that sets up of outer shielding layer, set up first gasbag between the support, can absorb the heat that the conductor sent through the gasbag to improve the radiating effect of conductor, and when conductor high temperature and spontaneous combustion, first gasbag is heated the damage and erupts inert gas, helps putting out a fire.
Description
Technical Field
The invention relates to the field of cables, in particular to a corona-resistant photovoltaic power cable.
Background
The photovoltaic cable is often exposed to the sun, especially in hot summer, and the photovoltaic cable is under the effect of high temperature and ultraviolet radiation, produces the corona discharge phenomenon easily, and the corona can produce the heat effect and make the interior local temperature of wire rise in the cable, easily causes the cable to catch fire and burns out the circuit.
Chinese patent with publication number CN211087978U discloses a power cable for resisting electromagnetism and corona, which provides a technical scheme, and is a fire-resistant mica tape and a perchloroethylene layer through an outer fireproof layer and an inner fireproof layer, so that the cable has good fireproof performance, and is an insulation-level PVC sheath through an outer protective layer, so that the cable has external protection, and can effectively play a role in resisting electromagnetism through a shielding net, and is an organic silicon resin layer through an outer shielding layer and an inner shielding layer, so that the corona resistance can be effectively realized, and the inner conductor is protected from being influenced.
Although the corona-resistant effect can be realized to above-mentioned patent, set up the multilayer inoxidizing coating in the conductor outside, cause the inner conductor heat dissipation easily slower, especially in hot summer, under long-time insolate, conductor internal temperature risees gradually, again because of the existence of multilayer inoxidizing coating for inner conductor's temperature is high enough, thereby causes the cable to damage easily.
Therefore, a power cable for corona-resistant photovoltaic is provided.
Disclosure of Invention
The invention aims to provide a corona-resistant photovoltaic power cable to solve the problems in the background technology.
In order to solve the above problems, the present invention adopts the following technical solutions.
A corona resistant photovoltaic power cable includes
The cable comprises two groups of cable bodies, wherein each group of cable bodies comprises four annular conductors which are distributed at equal intervals, and the outer side of each conductor is wrapped with an insulating layer;
the corona resistant mechanism is arranged on the outer side of the conductor and used for weakening the adverse effect of corona on the conductor, and comprises an inner shielding layer and an outer shielding layer, wherein the inner shielding layer is respectively wrapped on the outer side of the insulating layer, the outer shielding layer is wrapped on the outer side of the inner shielding layer, and the inner shielding layer and the outer shielding layer are both formed by mixing and processing polyvinyl chloride and silicon oxide;
the inside horizontal equidistance fixedly connected with a plurality of support of outer shielding layer, four round holes that can supply the conductor to pass are seted up along position annular equidistance outward to the support, can make to have the space in order to improve the radiating effect between the conductor through the setting up of support.
Furthermore, a first air bag is fixedly connected between the adjacent brackets, and inert gas is filled in the first air bag.
Further, the solid fixed ring of outer shielding layer outside level equidistance fixedly connected with a plurality of, it is adjacent a plurality of pillar of annular equidistance fixedly connected with between the solid fixed ring, the central point of pillar puts outwards hunch-up, and the pillar is the toughness metal material.
Furthermore, the outer side face of the fixing ring is wrapped by a protective layer, the two groups of protective layers are fixedly connected with end sockets at the ends, close to the end sockets, of the cable bodies, and the protective layers are fixedly connected with the end sockets at the ends, close to the end sockets.
Further, it is two sets of the outside of the one end that the cable body is close to each other is equipped with the housing, the equal fixedly connected with first terminal of right-hand member of the inside left side conductor of housing, the equal fixedly connected with second terminal of left end of the conductor on the inside right side of housing, first terminal runs through to the head right side, the second terminal runs through to the head left side, first terminal and second terminal cooperate.
Further, the inside left head outside fixed connection cover of housing is equipped with the first joint, four inserted bars of position annular equidistance fixedly connected with are followed outside the right side face of first joint, the fixed cover of annular lateral surface of the inside right side head of housing is equipped with the second joint, the right side of second joint is followed four of position annular equidistance fixedly connected with and can be supplied inserted a section of thick bamboo that inserts of inserted bar male outward, and inserts a section of thick bamboo inside and keep away from one side fixed connection spring of inserted bar.
Further, the left side of first joint is annular equidistance two articulated seats of fixedly connected with, articulated respectively on the articulated seat have the jack catch.
Further, the jack catch top sets up the frame plate, two push rods of symmetry fixedly connected with in front and back of terminal surface under the frame plate, two blocks of support plates of symmetry fixedly connected with on the inside wall around the housing of frame plate top, the spout that the cross-section is the T shape structure is offered to the nearly left side position of terminal surface under the support plate, sliding connection has the slide rather than the matching in the spout, the lower extreme of slide respectively with frame plate up end fixed connection.
Furthermore, the upper end surface of the support plate is respectively provided with a second air bag, the right end of the second air bag is fixedly connected with a pressing plate, the right side surface of the pressing plate is elastically connected with the right side surface inside the housing through two springs which are symmetrical front and back, the left side of the second air bag is communicated with an air pipe, the air pipe penetrates through the left side of the housing, and a valve is arranged at the connecting position of the air pipe and the second air bag.
Further, two push pedals of symmetry fixedly connected with around the knob that the frame plate up end corresponds two valves, the fixedly connected with extension board is put to frame plate up end central point, two memory springs of symmetry fixedly connected with around the extension board left surface, two openings have been seted up to the housing left surface corresponding two memory springs, the fixed cover of protective layer lateral surface of housing left side cable is equipped with the lantern ring, two memory spring passes opening and lantern ring fixed connection respectively, two connecting rods and housing left surface fixed connection that the lantern ring right side distributes through annular equidistance.
Compared with the prior art, the invention has the beneficial effects that:
1. this scheme sets up the support so that leave the gap between the conductor through at outer shielding layer inside, sets up first gasbag between the support, can absorb the heat that the conductor sent through the gasbag to improve the radiating effect of conductor, and when conductor high temperature and spontaneous combustion, first gasbag is heated the damage and erupts inert gas, helps putting out a fire.
2. This scheme sets up solid fixed ring and pillar between outer shielding layer and protective layer, and the pillar central point puts outwards hunch-up, and the pillar is ductile metal for when the cable pressurized, the pillar can take place to deform in order to reduce the pressure to the conductor, thereby improves the compressive capacity of conductor.
3. This scheme is through setting up the spring in inserting a section of thick bamboo, connects the lock with the second through the jack catch and is in the same place, and when the cable catches fire, the memory spring is heated and returns and contracts to drive the frame plate and slide left, and then drive the push rod and promote the jack catch, make the jack catch break away from the second and connect, thereby make the second connect and be opened by the bullet under the effect of spring, take place to break away from with the cable that catches fire when cutting off the power, avoid the intensity of a fire to continue to stretch.
4. This scheme frame plate still can drive the knob of push pedal touching two valves when sliding left to open two tracheas, make inert gas in the second gasbag spout towards the fire point through the trachea, thereby put out a fire.
Drawings
FIG. 1 is a perspective front view of the overall structure of the present invention;
FIG. 2 is a schematic bottom perspective view of the overall structure of the present invention;
FIG. 3 is a schematic half-section view of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic half-section view of FIG. 2 in accordance with the present invention;
FIG. 5 is an exploded view of the internal structure of the cable of the present invention;
FIG. 6 is a schematic view of the deck structure of the present invention;
FIG. 7 is a schematic view of a single cable construction of the present invention;
FIG. 8 is an enlarged view taken at A in FIG. 4 according to the present invention;
FIG. 9 is an enlarged view of the area B in FIG. 5 according to the present invention.
The reference numbers in the figures illustrate:
1. a conductor; 11. an insulating layer; 12. an inner shield layer; 13. a support; 14. a first air bag; 15. a fixing ring; 16. an outer shield layer; 17. a protective layer; 18. a pillar; 2. sealing the end; 21. a first terminal post; 22. a second terminal; 23. a first joint; 24. inserting a rod; 25. a second joint; 26. inserting a cylinder; 27. a claw; 28. a hinged seat; 3. a housing; 31. a port; 32. a carrier plate; 33. pressing a plate; 34. a second air bag; 35. a valve; 36. an air tube; 4. a frame plate; 41. a push rod; 42. a slide plate; 43. a chute; 44. pushing the plate; 45. a support plate; 46. a memory spring; 47. and (4) a lantern ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.
Example 1:
referring to fig. 1 to 9, a corona-resistant photovoltaic power cable includes a cable body, which is provided with two groups, each group of the cable body is composed of four annular equidistantly distributed conductors 1, and the outer side of each conductor 1 is wrapped with an insulating layer 11; the corona resistant mechanism is arranged on the outer side of the conductor 1 and comprises an inner shielding layer 12 and an outer shielding layer 16, the inner shielding layer 12 is respectively wrapped on the outer side of the insulating layer 11, the outer shielding layer 16 is wrapped on the outer side of the inner shielding layer 12, and the inner shielding layer 12 and the outer shielding layer 16 are both formed by mixing and processing polyvinyl chloride and silicon oxide; outer shielding layer 16 inside horizontal equidistance fixedly connected with a plurality of support 13, four round holes that can supply conductor 1 to pass are seted up along position annular equidistance outward to support 13, and setting up through support 13 can make to have the space in order to improve the radiating effect between the conductor 1, and is adjacent first gasbag 14 of fixedly connected with between the support 13, be filled with inert gas in the first gasbag 14.
Through adopting above-mentioned technical scheme, through the round hole with conductor 1 alternate respectively at support 13, make to have the gap between the conductor 1, thereby reduce the friction between the conductor 1, and all be provided with first gasbag 14 between two adjacent supports 13, the inert gas of first gasbag 14 intussuseption is through compression, when conductor 1 takes place the spontaneous combustion because of the high temperature, can make first gasbag 14 be heated the breakage, thereby make inert gas spray and go out, and then put out a fire to the ignition point, reduce the possibility that the intensity of a fire continuously stretchs, reduce economic loss and the harm of conflagration, the double protection of internal shield layer 12 and external shield layer 16 and form internal shield layer 12 and external shield layer 16 by polyvinyl chloride and silicon oxide hybrid processing, improve the anti-corona effect of conductor 1 greatly.
As shown in fig. 5, fig. 7 and fig. 9, the solid fixed ring 15 of 16 outside horizontal equidistance fixedly connected with of outer shielding layer a plurality of is adjacent a plurality of pillar 18 of annular equidistance fixedly connected with between the solid fixed ring 15, the central point of pillar 18 puts outside hunch-up, and pillar 18 is the ductile metal material, the solid fixed ring 15 lateral surface parcel has protective layer 17, and is two sets of the equal fixedly connected with head 2 of one end that the cable body is close to each other, protective layer 17 is close to the one end and the 2 fixed connection of head 2.
Through adopting above-mentioned technical scheme, can improve the intensity of cable through set up solid fixed ring 15 between outer shielding layer 16 and protective layer 17, annular equidistance fixedly connected with a plurality of pillar 18 between two adjacent solid fixed ring 15, and the central point of pillar 18 puts outside hunch-up, and pillar 18 is the ductile metal material, make pillar 18 can take place elastic deformation when the pressurized, thereby reduce the pressure to conductor 1, improve conductor 1's compressive capacity, and then the life-span of extension cable, and can produce the cavity owing to solid fixed ring 15's existence between protective layer 17 and the outer shielding layer 16, thereby thermal-insulated effect has, when protective layer 17 is compressed simultaneously, take place the space of deformation in addition, further improve the compressive effect of cable.
As shown in fig. 2, 3, 6, 8 and 9, a housing 3 is arranged on the outer side of one end of each of two groups of cable bodies, the right end of a left side conductor 1 inside the housing 3 is fixedly connected with a first binding post 21, the left end of a right side conductor 1 inside the housing 3 is fixedly connected with a second binding post 22, the first binding post 21 penetrates through the right side of the end enclosure 2, the second binding post 22 penetrates through the left side of the end enclosure 2, the first binding post 21 is matched with the second binding post 22, a first connector 23 is fixedly arranged on the outer side of the end enclosure 2 on the inner side of the housing 3, four insertion rods 24 are fixedly connected with the outer edge of the right side of the first connector 23 at annular equal intervals, a second connector 25 is fixedly sleeved on the outer side of the end enclosure 2 on the inner side of the housing 3, four insertion barrels 26 into which the insertion rods 24 can be inserted are fixedly connected with the outer edge of the right side of the second connector 25 at annular equal intervals, a connecting spring is fixedly connected with one side of the insertion rods 24 inside the insertion barrels 26, two annular equal intervals are fixedly connected with the left side of the first connector 23, and two claws 28 are hinged on the annular equal intervals and claws 28 are hinged on the left side of the insertion barrels 28;
the utility model discloses a three-dimensional display screen, including jack catch 27, support plate 4, two push rods 41 of preceding back symmetry fixedly connected with of terminal surface under the frame plate 4, two support plates 32 of symmetry fixedly connected with on the inside wall around the housing 3 of frame plate 4 top, the terminal surface is close to the left side position and has seted up the spout 43 that the cross-section is the T shape structure under the frame plate 4, sliding connection has rather than the slide 42 that matches in the spout 43, the lower extreme of slide 42 respectively with frame plate 4 up end fixed connection, support plate 32 up end is equipped with second gasbag 34 respectively, the common fixedly connected with clamp plate 33 of right-hand member of second gasbag 34, two springs and the inside right side elastic connection of housing 3 of clamp plate 33 right side through front and back symmetry, the left side of second gasbag 34 all communicates with trachea 36, trachea 36 runs through to housing 3 left side, trachea 36 all is equipped with valve 35 with the hookup location of second gasbag 34, two symmetrical fixedly connected with 44 of preceding back symmetry fixedly connected with around the knob that the terminal surface corresponds two valves 35 on frame plate 4, support plate 4 up end central point fixedly connected with extension board 45, support plate 45 left side front and back symmetry fixedly connected with spring 46, two memory spring hookup ends connect the cover 46, two memory connection pole cover rings of cable connection pole cover rings 31 pass through the left side connection pole cover 46, two memory connection hole 47, two memory connection pole cover rings of the left side connection pole cover 46, two memory connection pole cover body 31 and two memory connection hole 47.
By adopting the technical scheme, the cable on the left side of the housing 3 is used as a power transmission line, the right end of the cable on the right side of the housing 3 is electrically connected with power supply equipment, the second binding post 22 on the left end of the cable on the right side of the housing 3 is inserted into the first binding post 21 on the right side of the cable on the left side, at the moment, the four inserting rods 24 on the right side of the first joint 23 are respectively inserted into the inserting cylinders 26 on the right side of the second joint 25, springs in the inserting cylinders 26 are in a compression state, then the clamping jaws 27 are shifted to clamp the second joint 25 and the first joint 23 together, one sides of the clamping jaws 27 close to the first joint 23 are elastically connected through the springs, so that the clamping jaws 27 are kept fixed under the action of the springs, the two cables are connected, the lantern ring 47 on the cable on the left side is made of a metal material, when the cable on the left side is spontaneously combusted due to overhigh temperature of the conductor 1, the lantern ring 47 can conduct heat to the two memory springs 46, the memory spring 46 is made of memory alloy, when the memory spring 46 is heated, one end of the memory spring close to the support plate 45 contracts towards one end close to the lantern ring 47, so that the frame plate 4 is pulled to slide leftwards along the lower end face of the support plate 32, the frame plate 4 is in sliding connection with the sliding groove 43 on the lower end face of the support plate 32 through the sliding plate 42, so that the frame plate 4 is ensured to always keep linear motion, when the frame plate 4 moves leftwards, the two push rods 41 on the lower end face of the frame plate 4 respectively touch the shift levers on the left sides of the two clamping jaws 27, so that the clamping jaws 27 leave the second connector 25, at the moment, the second connector 25 loses the limit position, so that the spring in the inserting cylinder 26 rebounds, as the left cable is fixedly connected with the housing 3, the right cable is in sliding connection with the housing 3, so that the right cable is popped rightwards, and the second binding post 22 is separated from the first binding post 21, so that the left cable is powered off, the effect of protection consumer and power supply unit has been played, frame plate 4 gliding in-process left, push pedal 44 on it can touch the knob on the corresponding position valve 35, thereby make valve 35 open, because be filled with compressed inert gas in two second gasbags 34, thereby make inert gas spout towards the ignition point through trachea 36, and then put out a fire to the ignition point, the inert gas in the first gasbag 14 of deuterogamying, make the fire extinguishing effect promote greatly, avoid the intensity of a fire to continuously spread and initiate large-scale conflagration, and two springs on clamp plate 33 right side are in compression state when valve 35 is not opened, after valve 35 is opened, the spring kick-backs gradually, thereby promote clamp plate 33 and slide left, and then extrude two second gasbags 34, make the inert gas in the second gasbag 34 can spout towards the ignition point with higher ground speed, thereby improve the fire extinguishing effect, housing 3 up end card has the apron, can protect housing 3 inside each structure, prevent to touch the mistake.
The using method comprises the following steps: through inserting conductor 1 respectively in the round hole of support 13, make to have the gap between the conductor 1, thereby reduce the friction between the conductor 1, when conductor 1 takes place the spontaneous combustion because of the high temperature, make first gasbag 14 be heated breakage, thereby make inert gas spray and go out, and then put out a fire to the ignition point, can improve the compressive strength of cable through set up the integrated configuration of solid fixed ring 15 and pillar 18 between outer shielding layer 16 and protective layer 17, when left side cable takes place the spontaneous combustion because of conductor 1 high temperature, lantern ring 47 can heat conduction to two memory spring 46, memory spring 46 is made by memory alloy, when memory spring 46 is heated, its one end that is close to the fulcrum plate 45 can take place the shrink to the one end that is close to lantern ring 47, thereby pull frame plate 4 and slide to the left along the lower extreme of support plate 32, when frame plate 4 moves to the left, two push rods 41 of terminal surface can touch the left driving lever of two jack catchs 27 respectively under the frame plate 4, thereby make jack catchs 27 leave second joint 25, second joint 25 loses spacingly this moment, make the spring in the cartridge 26 take place to kick-back, make the right side cable pop out right, make second terminal 22 leave first terminal 21, make the outage of left side cable, the effect of protection consumer and power supply unit has been played, frame plate 4 gliding in-process left, push pedal 44 above that can touch the knob on the corresponding position valve 35, thereby make valve 35 open, because fill the compressed inert gas in two second gasbags 34, thereby make inert gas through trachea 36 towards the ignition point, and then put out a fire to the ignition point, the inert gas in the first gasbag 14 of deuterogamying, make the fire extinguishing effect promote greatly, avoid the intensity of a fire to continue to stretch and initiate the conflagration on a large scale.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.
Claims (10)
1. The utility model provides a power cable for anti-corona photovoltaic which characterized in that: comprises that
The cable comprises two groups of cable bodies, wherein each group of cable body consists of four annular conductors (1) distributed at equal intervals, and the outer side of each conductor (1) is wrapped with an insulating layer (11);
the corona resistant mechanism is arranged on the outer side of the conductor (1) and used for weakening the adverse effect of corona on the conductor (1), and comprises an inner shielding layer (12) and an outer shielding layer (16), wherein the inner shielding layer (12) is wrapped on the outer side of an insulating layer (11) respectively, the outer shielding layer (16) is wrapped on the outer side of the inner shielding layer (12), and the inner shielding layer (12) and the outer shielding layer (16) are formed by mixing and processing polyvinyl chloride and silicon oxide;
outer shielding layer (16) inside level equidistance fixedly connected with a plurality of support (13), support (13) are outer to offer four round holes that can supply conductor (1) to pass along position annular equidistance, can make to have the space in order to improve the radiating effect between conductor (1) through setting up of support (13).
2. The power cable for corona-resistant photovoltaic according to claim 1, wherein: a first air bag (14) is fixedly connected between the adjacent brackets (13), and inert gas is filled in the first air bag (14).
3. The power cable for corona-resistant photovoltaic according to claim 1, wherein: outer shielding layer (16) outside level equidistance fixedly connected with a plurality of solid fixed ring (15), it is adjacent a plurality of pillar (18) of annular equidistance fixedly connected with between the solid fixed ring (15), the central point of pillar (18) puts and outwards arches, and pillar (18) are the ductile metal material.
4. The power cable for corona-resistant photovoltaic according to claim 3, wherein: the outer side face of the fixing ring (15) is wrapped by a protective layer (17), the two groups of cable bodies are fixedly connected with end sockets (2) at one ends close to each other, and one end, close to the end sockets (2), of the protective layer (17) is fixedly connected with the end sockets (2).
5. The power cable for corona-resistant photovoltaic according to claim 4, wherein: two sets of the outside of the one end that the cable body is close to each other is equipped with housing (3), the equal fixedly connected with first terminal (21) of right-hand member of the inside left side conductor (1) of housing (3), the equal fixedly connected with second terminal (22) of left end of conductor (1) on the inside right side of housing (3), first terminal (21) runs through to head (2) right side, second terminal (22) runs through to head (2) left side, first terminal (21) cooperatees with second terminal (22).
6. The power cable for corona-resistant photovoltaic according to claim 5, wherein: the utility model discloses a portable quick-witted, including housing (3), the inside left head (2) outside fixed connection cover of housing (3) is equipped with first joint (23), the right side of first joint (23) is outer along four inserted bar (24) of position annular equidistance fixedly connected with, the fixed cover of annular lateral surface of head (2) on the inside right side of housing (3) is equipped with second joint (25), the right side that second joint (25) is outer along four inserted section of thick bamboo (26) that can supply inserted bar (24) male of position annular equidistance fixedly connected with, and one side fixed connection spring of inserted bar (24) is kept away from to inserted section of thick bamboo (26) inside.
7. The power cable for corona-resistant photovoltaic according to claim 6, wherein: the left side of first joint (23) is annular equidistance two articulated seats (28) of fixedly connected with, articulated respectively on articulated seat (28) have jack catch (27).
8. The power cable for corona-resistant photovoltaic according to claim 7, wherein: jack catch (27) top sets up frame plate (4), two push rods (41) of symmetry fixedly connected with around the terminal surface under frame plate (4), two support plates (32) of symmetry fixedly connected with around housing (3) of frame plate (4) top on the inside wall, spout (43) that the cross-section is T shape structure are seted up to support plate (32) terminal surface near the left side position, sliding connection has slide (42) rather than matching in spout (43), the lower extreme of slide (42) respectively with frame plate (4) up end fixed connection.
9. The power cable for corona-resistant photovoltaic according to claim 8, wherein: support plate (32) up end is equipped with second gasbag (34) respectively, the common fixedly connected with clamp plate (33) of right-hand member of second gasbag (34), two springs and the inside right flank elastic connection of housing (3) of clamp plate (33) right flank through front and back symmetry, the left side of second gasbag (34) all communicates trachea (36), trachea (36) run through to housing (3) left side, trachea (36) all are equipped with valve (35) with the hookup location of second gasbag (34).
10. The power cable for corona-resistant photovoltaic according to claim 9, wherein: two push pedal (44) of symmetry fixedly connected with around the knob that frame plate (4) upper end face corresponds two valves (35), frame plate (4) upper end face central point puts fixedly connected with extension board (45), two memory spring (46) of symmetry fixedly connected with before extension board (45) left side, two opening (31) have been seted up to housing (3) left side face corresponding two memory spring (46), the fixed cover of protective layer (17) lateral surface of housing (3) left side cable is equipped with lantern ring (47), two memory spring (46) pass opening (31) and lantern ring (47) fixed connection respectively, lantern ring (47) right side is through two connecting rods and housing (3) left side fixed connection that the annular equidistance distributes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310112836.XA CN115831451B (en) | 2023-02-15 | 2023-02-15 | Anticorona power cable for photovoltaic |
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| CN202310112836.XA CN115831451B (en) | 2023-02-15 | 2023-02-15 | Anticorona power cable for photovoltaic |
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| CN115831451B CN115831451B (en) | 2023-04-28 |
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| CN117922460A (en) * | 2024-03-21 | 2024-04-26 | 广州市信征汽车零件有限公司 | An automotive wiring harness with self-repairing function for damaged insulation |
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| CN115831451B (en) | 2023-04-28 |
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