CN210073423U - High-flame-retardant aging-resistant special photovoltaic cable - Google Patents
High-flame-retardant aging-resistant special photovoltaic cable Download PDFInfo
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- CN210073423U CN210073423U CN201921015755.3U CN201921015755U CN210073423U CN 210073423 U CN210073423 U CN 210073423U CN 201921015755 U CN201921015755 U CN 201921015755U CN 210073423 U CN210073423 U CN 210073423U
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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
- 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
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Abstract
The utility model discloses a high fire-retardant ageing-resistant special photovoltaic cable in photovoltaic cable technical field, including interior sheath, interior sheath inner chamber is provided with two sets of cable cores, the cable core includes the shielding layer, shielding layer inner wall and insulating layer fixed connection, insulating layer inner chamber is provided with the conductor, interior sheath outer wall has cup jointed the protective layer, protective layer outer wall has cup jointed the outer jacket, pass through the insulating layer in the device, the triple protection of filling layer and fire-retardant layer is protected the photovoltaic cable, increase the holistic fire behaviour of photovoltaic cable, reduce the probability that the burning takes place for the photovoltaic cable, and outer jacket and interior sheath are protected the photovoltaic cable from outside and inside, improve the ageing-resistant performance of photovoltaic cable, enhancement layer and strengthening rib simultaneously, increase the holistic intensity of photovoltaic cable, guarantee the photovoltaic cable at outdoor normal work and life.
Description
Technical Field
The utility model relates to a photovoltaic cable technical field specifically is a high fire-retardant ageing-resistant special type photovoltaic cable.
Background
Along with the continuous development and progress of society, the green energy of solar energy is gradually popularized and utilized, the photovoltaic cable is a circuit used for transmission in the green energy of solar energy, the photovoltaic cable can be influenced by various conditions such as sunlight irradiation, wind and rain, the aging degree of the photovoltaic cable can be accelerated when the photovoltaic cable works outdoors for a long time, and if the photovoltaic cable burns outdoors, a large potential safety hazard can be generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high fire-retardant ageing-resistant special type photovoltaic cable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high fire-retardant ageing-resistant special photovoltaic cable, includes interior sheath, and interior sheath inner chamber is provided with two sets of cable cores, and the cable core includes the shielding layer, shielding layer inner wall and insulating layer fixed connection, and insulating layer inner chamber is provided with the conductor, and interior sheath outer wall has cup jointed the protective layer, and the protective layer outer wall has cup jointed the outer jacket.
Preferably, the protective layer is including cup jointing the fire-retardant layer at the inner sheath outer wall, and fire-retardant layer outer wall has cup jointed the enhancement layer, and the enhancement layer outer wall has cup jointed the waterproof layer, and waterproof layer outer wall and outer jacket inner wall fixed connection.
Preferably, a filling layer is arranged between the inner protection layer inner wall and the two groups of cable core outer walls.
Preferably, the outer jacket inner chamber has evenly seted up the trompil, and trompil inner wall and strengthening rib fixed connection.
Preferably, the number of the reinforcing ribs is six, and the six groups of reinforcing ribs are arranged in an annular array.
Preferably, the inner sheath has a vertical cross-sectional thickness of seven millimeters and the outer sheath has a vertical cross-sectional thickness of one centimeter.
Compared with the prior art, the beneficial effects of the utility model are that: the photovoltaic cable is protected through triple protection of insulating layer, filling layer and fire-retardant layer in the device, increases the holistic fire behaviour of photovoltaic cable, reduces the probability that the burning takes place for the photovoltaic cable to outer jacket and interior sheath protect the photovoltaic cable from outside and inside, improve photovoltaic cable ageing-resistant performance, and reinforcing layer and strengthening rib increase the holistic intensity of photovoltaic cable simultaneously, guarantee that the photovoltaic cable is in outdoor normal work and life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an inner protective layer; 2. a cable core; 21. an insulating layer; 22. a conductor; 23. a shielding layer; 3. a filling layer; 4. a protective layer; 41. a flame retardant layer; 42. a reinforcing layer; 43. a waterproof layer; 5. an outer jacket; 6. and (5) reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a high flame-retardant aging-resistant special photovoltaic cable comprises an inner protection layer 1, two groups of cable cores 2 are arranged in an inner cavity of the inner protection layer 1, each cable core 2 comprises a shielding layer 23, each shielding layer 23 is formed by weaving steel wires, the normal work of the photovoltaic cable is guaranteed, the inner wall of each shielding layer 23 is fixedly connected with an insulating layer 21, each insulating layer 21 is made of a ceramic fire-resistant composite tape, the flame retardant property of the photovoltaic cable is improved, the photovoltaic cable is protected by triple protection of the insulating layers 21, a filling layer 3 and a flame-retardant layer 41, the flame retardant property of the photovoltaic cable is improved, the probability of burning of the photovoltaic cable is reduced, the use safety of the photovoltaic cable is guaranteed, a conductor 22 is arranged in an inner cavity of each insulating layer 21, a protective layer 4 is sleeved on the outer wall of the inner protection layer 1, an outer protection layer 5 is sleeved on the outer wall, the layers inside the photovoltaic cable are fixedly connected, and the photovoltaic cable is integrally formed.
The protective layer 4 comprises a flame-retardant layer 41 sleeved on the outer wall of the inner protective layer 1, the flame-retardant layer 41 is formed by overlapping and wrapping double-layer mica tapes to improve the flame-retardant performance of the photovoltaic cable, the outer wall of the flame-retardant layer 41 is sleeved with a reinforcing layer 42, the reinforcing layer 42 is made of ceramic fibers and used for increasing the strength of the photovoltaic cable, the outer wall of the reinforcing layer 42 is sleeved with a waterproof layer 43, the outer wall of the waterproof layer 43 is fixedly connected with the inner wall of the outer protective layer 5, the waterproof layer 43 is made of polyethylene polypropylene, moisture cannot permeate into the photovoltaic cable, and the photovoltaic cable is guaranteed to work normally;
a filling layer 3 is arranged between the inner wall of the inner sheath layer 1 and the outer walls of the two cable cores 2, and the filling layer 3 is made of fire-resistant oxygen-insulating filling mud, so that the flame retardant property in the photovoltaic cable is improved, and the use safety of the photovoltaic cable is ensured;
the inner cavity of the outer protective layer 5 is uniformly provided with holes, the inner wall of each hole is fixedly connected with the reinforcing rib 6, and the reinforcing ribs 6 are formed by weaving steel wires, so that the strength of the outer protective layer 5 is increased, the integral strength of the photovoltaic cable is improved, and the normal work of the photovoltaic cable is ensured;
the number of the reinforcing ribs 6 is six, and the six groups of reinforcing ribs 6 are arranged in an annular array, so that the strength of the outer protective layer 5 is increased, and the integral strength of the photovoltaic cable is improved;
the vertical section thickness of the inner protection layer 1 is seven millimeters, and the vertical section thickness of the outer protection layer 5 is one centimeter, so that the protection effect of the inner protection layer 1 and the outer protection layer 5 is improved, and the aging resistance of the photovoltaic cable is ensured.
The working principle is as follows: insulating layer 21, the triple protection of filling layer 3 and fire-retardant layer 41 is protected the photovoltaic cable, increase the fire behaviour of photovoltaic cable, reduce the probability that the photovoltaic cable takes place the burning, guarantee the security of photovoltaic cable use, and outer jacket 5 and interior sheath 1 protect the photovoltaic cable from outside and inside, improve the ageing-resistant performance of photovoltaic cable, ensure the life of photovoltaic cable, reinforcing layer 42 and strengthening rib 6 of photovoltaic cable inside simultaneously, increase the holistic intensity of photovoltaic cable, guarantee the photovoltaic cable at outdoor normal work and life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high fire-retardant ageing-resistant special type photovoltaic cable, includes interior sheath (1), its characterized in that: the inner protection layer (1) inner cavity is provided with two groups of cable cores (2), each cable core (2) comprises a shielding layer (23), the inner wall of each shielding layer (23) is fixedly connected with an insulating layer (21), the inner cavity of each insulating layer (21) is provided with a conductor (22), the outer wall of each inner protection layer (1) is sleeved with a protection layer (4), and the outer wall of each protection layer (4) is sleeved with an outer protection layer (5).
2. The special high-flame-retardant aging-resistant photovoltaic cable according to claim 1, characterized in that: protective layer (4) including cup jointing fire-retardant layer (41) at inner sheath (1) outer wall, enhancement layer (42) have been cup jointed to fire-retardant layer (41) outer wall, and waterproof layer (43) have been cup jointed to enhancement layer (42) outer wall, and waterproof layer (43) outer wall and outer jacket (5) inner wall fixed connection.
3. The special high-flame-retardant aging-resistant photovoltaic cable according to claim 1, characterized in that: a filling layer (3) is arranged between the inner wall of the inner sheath layer (1) and the outer walls of the two groups of cable cores (2).
4. The special high-flame-retardant aging-resistant photovoltaic cable according to claim 1, characterized in that: the inner cavity of the outer protective layer (5) is uniformly provided with holes, and the inner wall of each hole is fixedly connected with the reinforcing rib (6).
5. The special high-flame-retardant aging-resistant photovoltaic cable according to claim 4, characterized in that: the number of the reinforcing ribs (6) is six, and the six groups of reinforcing ribs (6) are arranged in an annular array.
6. The special high-flame-retardant aging-resistant photovoltaic cable according to claim 1, characterized in that: the vertical section thickness of the inner protection layer (1) is seven millimeters, and the vertical section thickness of the outer protection layer (5) is one centimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015755.3U CN210073423U (en) | 2019-07-02 | 2019-07-02 | High-flame-retardant aging-resistant special photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015755.3U CN210073423U (en) | 2019-07-02 | 2019-07-02 | High-flame-retardant aging-resistant special photovoltaic cable |
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| Publication Number | Publication Date |
|---|---|
| CN210073423U true CN210073423U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921015755.3U Expired - Fee Related CN210073423U (en) | 2019-07-02 | 2019-07-02 | High-flame-retardant aging-resistant special photovoltaic cable |
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| CN (1) | CN210073423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834032A (en) * | 2020-08-06 | 2020-10-27 | 安徽环宇电缆集团有限公司 | High temperature resistance new forms of energy photovoltaic cable |
-
2019
- 2019-07-02 CN CN201921015755.3U patent/CN210073423U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834032A (en) * | 2020-08-06 | 2020-10-27 | 安徽环宇电缆集团有限公司 | High temperature resistance new forms of energy photovoltaic cable |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20210702 |
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| CF01 | Termination of patent right due to non-payment of annual fee |