CN117833147B - Flame-retardant heat-insulating structure for photovoltaic power transmission cable - Google Patents
Flame-retardant heat-insulating structure for photovoltaic power transmission cable Download PDFInfo
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- CN117833147B CN117833147B CN202410232837.2A CN202410232837A CN117833147B CN 117833147 B CN117833147 B CN 117833147B CN 202410232837 A CN202410232837 A CN 202410232837A CN 117833147 B CN117833147 B CN 117833147B
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 23
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 title claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 26
- 238000007906 compression Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims description 13
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052753 mercury Inorganic materials 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a flame-retardant heat-insulating structure for a photovoltaic power transmission cable, which relates to the technical field of cable heat insulation and comprises a heat-insulating flame-retardant mechanism, a cable mounting mechanism and an automatic disconnecting mechanism; the heat-insulating flame-retardant mechanism comprises: the heat-insulating plate comprises a hexagonal plate, a sleeve, a dustproof net, a heat-insulating plate, a clamping shaft, a sliding frame, a sliding rod, a compression spring I, a heat-sensitive glass tube and a clamping groove; one end of the sleeve is fixedly connected with the right hexagonal plate; the plurality of heat insulation boards are arranged, all are rotatably arranged on a rotating shaft on the sliding frame, the clamping shaft is slidably arranged in a sliding groove at the framework of the sliding frame, meanwhile, the clamping shaft is rotatably connected with a round hole on the heat insulation board, and the sliding frame is slidably arranged on the outer wall of the sleeve; when the heat-insulating plate is in an open state, the hollow structure can keep good ventilation at the joint of the cable connector, and when the heat-insulating plate is at a high temperature, the thermosensitive glass tube is broken, and the sliding frame is triggered to move leftwards, so that the heat-insulating plate is driven to be closed, and the heat-insulating plate plays a role in heat insulation.
Description
Technical Field
The invention relates to the technical field of cable heat insulation, in particular to a flame-retardant heat insulation structure for a photovoltaic power transmission cable.
Background
The photovoltaic station is established on the roof of a subway garage area of a subway terminal, and has certain requirements on fire prevention risks such as cable heating and the like due to relevant standards of the subway garage area, so that the photovoltaic power transmission cable is required to be flame-retardant and heat-insulating.
The chinese patent with publication number CN219041370U discloses an insulating protection device of electrical connection for power plant, which comprises an insulating shell, insulating groove has been seted up to insulating shell's inner wall, insulating shell openly is provided with the fastening plate, the notch has been seted up to the front of fastening plate, fastening groove has been seted up to the inner wall of fastening plate, the inner chamber of fastening groove is provided with the fastening splint, the screw has all been seted up to the left and right of fastening plate, the left side of fastening splint is provided with the screw rod.
When in use, the invention can only perform common heat insulation on the cable, can not ventilate, and can lose effect in a high-temperature state, so that the cable is damaged to cause electric leakage.
Disclosure of Invention
Aiming at the technical problems, when the heat-insulating plate is in an open state, the hollow structure can keep good ventilation at the joint of the cable connector, and when the heat-insulating plate is at a high temperature, the thermosensitive glass tube is broken to trigger the sliding frame to move leftwards, so that the heat-insulating plate is driven to be closed, and the heat-insulating plate plays a role in heat insulation; the structure is provided with an emergency treatment mechanism, when the temperature continuously rises to dangerous temperature, mercury in the short tube expands to push the probe to move outwards, so that the probe pushes the clamping rod to rotate, the connecting electric sheet is separated from the clamping rod, the connecting electric sheet is disconnected from the two conductive sheets under the action of the compression spring II, and therefore power is cut off, and continuous electric conduction accidents are prevented.
The technical scheme adopted by the invention is as follows: a flame-retardant and heat-insulating structure for a photovoltaic power transmission cable comprises a heat-insulating and flame-retardant mechanism, a cable mounting mechanism and an automatic disconnecting mechanism; the heat-insulating flame-retardant mechanism comprises: the heat-insulating plate comprises a hexagonal plate, a sleeve, a dustproof net, a heat-insulating plate, a clamping shaft, a sliding frame, a sliding rod, a compression spring I, a heat-sensitive glass tube and a clamping groove; one end of the sleeve is fixedly connected with the right hexagonal plate, and the dustproof net is fixedly arranged on the inner wall of the sleeve; the plurality of heat insulation boards are arranged, all are rotatably arranged on a rotating shaft on the sliding frame, the clamping shaft is slidably arranged in a sliding groove at the framework of the sliding frame, meanwhile, the clamping shaft is rotatably connected with a round hole on the heat insulation board, and the sliding frame is slidably arranged on the outer wall of the sleeve; the sliding rod on the sliding frame is in sliding connection with the round hole of the protrusion on the hexagonal plate, the compression spring I is arranged on the sliding rod, and two ends of the thermosensitive glass tube are respectively and fixedly connected with the protrusion on the sliding frame and the protrusion on the hexagonal plate; the clamping groove is fixedly arranged on the left hexagonal plate.
Preferably, the cable mounting mechanism includes: the device comprises a round bracket, a conductive sheet, a conductive clip, a tension spring I, a compression bar, a gasket I, a cable and an external clamping assembly; the circular support is fixedly arranged on the hexagonal plate, the conducting strip is fixedly arranged on the circular support, the conducting clip is provided with an upper conducting strip and a lower conducting strip, the conducting clip is rotatably arranged on the conducting strip, and two ends of the tension spring I are respectively connected with short shafts on the upper conducting clip and the lower conducting clip; the pressing rod is rotatably arranged on a rotating shaft at the upper end of the conducting strip, and the gasket I is fixedly arranged on the pressing rod; the cable passes through the middle round hole of the hexagonal plate and is clamped in the round bracket.
Preferably, the external chucking assembly includes: the locking rod, the gasket II, the buckle and the limiting groove I; one end of the lock rod is rotatably arranged on a short shaft on the hexagonal plate, the other end of the lock rod is slidably arranged in a limit groove I, and the limit groove I is fixedly arranged on the hexagonal plate; the gasket II is rotatably arranged on the lock rod; the buckle is slidably arranged in a square groove on the hexagonal plate, and a return spring is arranged in the buckle.
Preferably, the automatic opening mechanism includes: the push rod, the limit groove II, the connecting block, the connecting electric sheet and the compression spring II; the push rod slidable mounting is in the square hole on the hexagonal plate to with spacing groove II sliding connection, spacing groove II fixed mounting is in the hexagonal plate, connecting block and push rod fixed connection, connecting block and connection electric plate fixed connection, connection electric plate slidable mounting are on the electric plate on the right, the round hole sliding connection on the short rod on the connecting block and the electric plate on the right arch installs compression spring II on the short rod.
Preferably, the automatic disconnection mechanism further includes: the clamping rod, the tension spring II and the high-temperature trigger assembly; the clamping rod is rotatably arranged on the short shaft on the left conductive sheet, the upper end of the tension spring II is connected with the clamping rod, and the lower end of the tension spring II is connected with the short shaft on the left conductive sheet.
Preferably, the high temperature trigger assembly comprises: a short tube and a probe; the short pipe is fixedly arranged on an insulating bracket on the left conductive sheet, and the probe is slidably arranged in the short pipe.
Preferably, the closed space in the short tube is filled with the mercury in the whole tube.
Preferably, the gasket I is made of rubber materials.
Compared with the prior art, the invention has the beneficial effects that:
when the heat-insulating plate is in an open state, the hollow structure can keep good ventilation at the joint of the cable connector, and when the heat-insulating plate is at a high temperature, the thermosensitive glass tube is broken, and the sliding frame is triggered to move leftwards, so that the heat-insulating plate is driven to be closed, and the heat-insulating plate plays a role in heat insulation.
And this structure still is equipped with emergency treatment mechanism, when the temperature continuously risees to dangerous temperature, the mercury volume expansion in the nozzle stub promotes the probe outwards to make the probe promote the kelly rotation, make connection electric plate and kelly break away from, make the connection disconnection of connection electric plate and two conducting strips under compression spring II's effect, thereby outage, prevent the emergence of continuous electric conduction cause accident.
Drawings
Figure 1 is an isometric view of the overall structure of the present invention.
Fig. 2 is a side view of the overall structure of the present invention.
Fig. 3 is a schematic view showing a closed state of the heat insulating board of the integral structure of the present invention.
Fig. 4 is an isometric view of the thermal insulation flame retardant mechanism of the present invention.
Fig. 5 is a detailed view of the thermal insulation flame retardant mechanism of the present invention.
Fig. 6 is a connection view of the heat insulating flame retardant mechanism of the present invention.
Fig. 7 is a first view of the cable mounting mechanism of the present invention.
Fig. 8 is a second perspective view of the cable mounting mechanism of the present invention.
Fig. 9 is a third view of the cable mounting mechanism of the present invention.
Fig. 10 is a detailed view of the cable mounting mechanism of the present invention.
Fig. 11 is a schematic view of the overall structure of the automatic opening mechanism of the present invention.
Fig. 12 is an enlarged view of the automatic opening mechanism of the present invention.
Fig. 13 is a cross-sectional view of the spool of the present invention.
Reference numerals: 1. a hexagonal plate; 2. a sleeve; 3. a dust screen; 4. a heat insulating plate; 5. a clamping shaft; 6. a carriage; 7. a slide bar; 8. compression spring I; 9. a heat-sensitive glass tube; 10. a clamping groove; 11. a circular bracket; 12. a conductive sheet; 13. a conductive clip; 14. a tension spring I; 15. a compression bar; 16. a gasket I; 17. a cable; 18. a lock lever; 19. a gasket II; 20. a buckle; 21. a limiting groove I; 22. a push rod; 23. a limit groove II; 24. a connecting block; 25. connecting an electric sheet; 26. compression spring II; 27. a clamping rod; 28. a tension spring II; 29. a short pipe; 30. a probe.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc. are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience in describing the simplified description of the present invention patent, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention patent. Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
1-13, A flame-retardant and heat-insulating structure for a photovoltaic power transmission cable comprises a heat-insulating and flame-retardant mechanism, a cable mounting mechanism and an automatic disconnecting mechanism;
In an alternative implementation of the embodiment of the present invention, as shown in fig. 4,5 and 6, the heat-insulating and flame-retardant mechanism includes: the device comprises a hexagonal plate 1, a sleeve 2, a dustproof net 3, a heat insulation plate 4, a clamping shaft 5, a sliding frame 6, a sliding rod 7, a compression spring I8, a heat-sensitive glass tube 9 and a clamping groove 10; one end of the sleeve 2 is fixedly connected with the right hexagonal plate 1, and the dust screen 3 is fixedly arranged on the inner wall of the sleeve 2; the plurality of heat insulation boards 4 are arranged, all are rotatably arranged on a rotating shaft on the sliding frame 6, the clamping shaft 5 is slidably arranged in a sliding groove at the skeleton position on the sliding frame 6, meanwhile, the clamping shaft 5 is rotatably connected with a round hole on the heat insulation board 4, and the sliding frame 6 is slidably arranged on the outer wall of the sleeve 2; the sliding rod 7 on the sliding frame 6 is in sliding connection with the round hole of the protrusion on the hexagonal plate 1, the compression spring I8 is arranged on the sliding rod 7, the compression spring I8 generates elasticity, two ends of the heat-sensitive glass tube 9 are respectively and fixedly connected with the protrusion on the sliding frame 6 and the protrusion on the hexagonal plate 1, when the temperature rises to a certain extent, the liquid in the heat-sensitive glass tube 9 expands to break the heat-sensitive glass tube 9, so that the connection between the sliding frame 6 and the hexagonal plate 1 is disconnected, and the sliding frame 6 slides leftwards under the action of the compression spring I8, so that the heat-insulating plate 4 is driven to be closed; the clamping groove 10 is fixedly arranged on the left hexagonal plate 1, and when the cables 17 on the two sides are in butt joint, the left end of the sleeve 2 is clamped in the clamping groove 10.
In an alternative implementation of the embodiment of the present invention, as shown in fig. 7, 9 and 10, the cable installation mechanism includes: the device comprises a round bracket 11, a conductive sheet 12, a conductive clip 13, a tension spring I14, a compression bar 15, a gasket I16, a cable 17 and an external clamping assembly; the circular support 11 is fixedly arranged on the hexagonal plate 1, the conductive sheet 12 is fixedly arranged on the circular support 11, the conductive clamp 13 is provided with an upper conductive sheet and a lower conductive sheet, the conductive sheet 12 is rotatably arranged on the conductive sheet, and two ends of the tension spring I14 are respectively connected with short shafts on the upper conductive clamp 13 and the lower conductive clamp 13, so that tension is generated, and the conductive clamp 13 is opened; the pressing rod 15 is rotatably arranged on a rotating shaft at the upper end of the conducting strip 12, and the gasket I16 is fixedly arranged on the pressing rod 15; the cable 17 passes through the middle round hole of the hexagonal plate 1 and is clamped in the round bracket 11.
In an alternative implementation of the embodiment of the present invention, as shown in fig. 8, the external chucking assembly includes: locking lever 18, gasket II 19, buckle 20, spacing groove I21; one end of the lock rod 18 is rotatably arranged on a short shaft on the hexagonal plate 1, the other end of the lock rod is slidably arranged in a limit groove I21, and the limit groove I21 is fixedly arranged on the hexagonal plate 1; the gasket II 19 is rotatably arranged on the lock rod 18; the buckle 20 is slidably arranged in a square groove on the hexagonal plate 1, and a return spring is arranged in the buckle.
In an alternative implementation manner of the embodiment of the present invention, as shown in fig. 11 and 12, the automatic disconnection mechanism includes: the push rod 22, the limit groove II 23, the connecting block 24, the connecting electric sheet 25 and the compression spring II 26; push rod 22 slidable mounting is in the square hole on hexagonal plate 1 to with spacing groove II 23 sliding connection, spacing groove II 23 fixed mounting is in hexagonal plate 1, connecting block 24 and push rod 22 fixed connection, connecting block 24 and connection electric plate 25 fixed connection, connection electric plate 25 slidable mounting is on the conductive plate 12 on the right, the quarter butt on connecting block 24 and the bellied round hole sliding connection on the conductive plate 12 on the right, install compression spring II 26 on the quarter butt, compression spring II 26 produces the elasticity.
In an alternative implementation of the embodiment of the present invention, as shown in fig. 12, the automatic disconnection mechanism further includes: a clamping rod 27, a tension spring II 28 and a high-temperature triggering component; the clamping rod 27 is rotatably arranged on the short shaft on the left conducting plate 12, the upper end of the tension spring II 28 is connected with the clamping rod 27, and the lower end of the tension spring II is connected with the short shaft on the left conducting plate 12.
In an alternative implementation manner of the embodiment of the present invention, as shown in fig. 12 and 13, the high temperature triggering assembly includes: a short tube 29 and a probe 30; the short tube 29 is fixedly arranged on an insulating bracket on the left conducting strip 12, and the probe 30 is slidably arranged on the short tube 29.
In an alternative embodiment of the present invention, as shown in fig. 12 and 13, the enclosed space in the short tube 29 contains a full tube of mercury, which expands in volume at high temperatures.
In an alternative implementation of the embodiment of the present invention, as shown in fig. 7, the spacer i 16 is made of rubber material, so as to prevent conduction to the compression bar 15.
Working principle: when the electric cable 17 is used, aiming at heat insulation at the joint of the electric cables 17, the electric cables 17 at the joint are respectively inserted into the two hexagonal plates 1, the pressing rod 15 is pressed downwards, so that the gasket I16 is driven to rotate the conductive clamp 13 inwards, the inner electric cables 17 are clamped, when the pressing rod 15 is pressed, the pressing rod 15 at the outer side of the hexagonal plates 1 presses down the locking rod 18, the gasket II 19 on the locking rod 18 clamps the outer parts of the electric cables 17, when the pressing rod 15 passes through the buckle 20, the buckle 20 clamps the pressing rod 15 to prevent rebound, at the moment, the inner and outer electric cables 17 are clamped, and the electric cables 17 pass through the conductive clamp 13 and the conductive sheet 12 to conduct electricity;
Next, after the cables 17 at both ends are installed, the hexagonal plate 1 is butted, as shown in fig. 6, the sleeve 2 is butted into the clamping groove 10 on the left hexagonal plate 1; next, the push rod 22 is pressed to drive the connecting block 24 to slide leftwards, so that the connecting electric sheet 25 slides leftwards, the connecting electric sheet 25 is inserted into the left conducting sheet 12, and the short shaft on the connecting electric sheet 25 is clamped on the clamping rod 27, so that the cable 17 is communicated;
When the heat insulating plate 4 is in an open state in use, the hollow structure can keep good ventilation at the joint connection part of the cable 17, when the heat insulating plate is at a high temperature, the thermosensitive glass tube 9 is broken, the sliding frame 6 is triggered to move leftwards, so that the heat insulating plate 4 is driven to be closed, and the heat insulating plate 4 plays a role in heat insulation; and the structure is also provided with an emergency treatment mechanism, when the temperature continuously rises to dangerous temperature, the volume of mercury in the short tube 29 expands to push the probe 30 to move outwards, so that the probe 30 pushes the clamping rod 27 to rotate, the connecting electric sheet 25 is separated from the clamping rod 27, the connecting electric sheet 25 is disconnected from the two conducting sheets 12 under the action of the compression spring II 26, and therefore, the power is cut off, and the occurrence of continuous conduction accidents is prevented.
Claims (5)
1. The utility model provides a fire-retardant thermal-insulated structure that photovoltaic power transmission cable was used which characterized in that: the cable installation device comprises a heat insulation flame-retardant mechanism, a cable installation mechanism and an automatic disconnection mechanism; the heat-insulating flame-retardant mechanism comprises: the device comprises a hexagonal plate (1), a sleeve (2), a dust screen (3), a heat insulation plate (4), a clamping shaft (5), a sliding frame (6), a sliding rod (7), a compression spring I (8), a heat-sensitive glass tube (9) and a clamping groove (10); one end of the sleeve (2) is fixedly connected with the right hexagonal plate (1), and the dust screen (3) is fixedly arranged on the inner wall of the sleeve (2); the heat insulation plates (4) are provided with a plurality of rotating shafts which are rotatably arranged on the sliding frame (6), the clamping shafts (5) are slidably arranged in sliding grooves at the upper framework of the sliding frame (6), meanwhile, the clamping shafts (5) are rotatably connected with round holes on the heat insulation plates (4), and the sliding frame (6) is slidably arranged on the outer wall of the sleeve (2); a sliding rod (7) on the sliding frame (6) is in sliding connection with a round hole protruding on the hexagonal plate (1), a compression spring I (8) is arranged on the sliding rod (7), and two ends of the thermosensitive glass tube (9) are respectively and fixedly connected with the protruding on the sliding frame (6) and the protruding on the hexagonal plate (1); the clamping groove (10) is fixedly arranged on the left hexagonal plate (1);
The cable installation mechanism includes: the device comprises a round bracket (11), a conductive sheet (12), a conductive clip (13), a tension spring I (14), a compression bar (15), a gasket I (16), a cable (17) and an external clamping assembly; the circular support (11) is fixedly arranged on the hexagonal plate (1), the conductive sheet (12) is fixedly arranged on the circular support (11), the conductive clip (13) is provided with an upper conductive sheet and a lower conductive sheet, the conductive sheet is rotatably arranged on the conductive sheet (12), and two ends of the tension spring I (14) are respectively connected with short shafts on the upper conductive clip (13) and the lower conductive clip (13); the pressing rod (15) is rotatably arranged on a rotating shaft at the upper end of the conducting strip (12), and the gasket I (16) is fixedly arranged on the pressing rod (15); the cable (17) passes through the middle round hole of the hexagonal plate (1) and is clamped in the round bracket (11);
The automatic disconnection mechanism includes: the device comprises a push rod (22), a limit groove II (23), a connecting block (24), a connecting electric sheet (25) and a compression spring II (26); the push rod (22) is slidably arranged in a square hole on the hexagonal plate (1) and is slidably connected with the limit groove II (23), the limit groove II (23) is fixedly arranged in the hexagonal plate (1), the connecting block (24) is fixedly connected with the push rod (22), the connecting block (24) is fixedly connected with the connecting electric sheet (25), the connecting electric sheet (25) is slidably arranged on the right conducting sheet (12), a short rod on the connecting block (24) is slidably connected with a round hole on the bulge of the right conducting sheet (12), and the short rod is provided with the compression spring II (26);
The automatic disconnection mechanism further includes: the clamping rod (27), the tension spring II (28) and the high-temperature triggering assembly; the clamping rod (27) is rotatably arranged on a short shaft on the left conductive sheet (12), the upper end of the tension spring II (28) is connected with the clamping rod (27), and the lower end of the tension spring II is connected with the short shaft on the left conductive sheet (12).
2. The flame retardant and thermally insulating structure for a photovoltaic power cable of claim 1, wherein said external clamping assembly comprises: the locking device comprises a locking rod (18), a gasket II (19), a buckle (20) and a limiting groove I (21); one end of the lock rod (18) is rotatably arranged on a short shaft on the hexagonal plate (1), the other end of the lock rod is slidably arranged in the limit groove I (21), and the limit groove I (21) is fixedly arranged on the hexagonal plate (1); the gasket II (19) is rotatably arranged on the lock rod (18); the buckle (20) is slidably arranged in a square groove on the hexagonal plate (1), and a return spring is arranged in the buckle.
3. The flame retardant and heat insulating structure for a photovoltaic power cable according to claim 1, wherein the high temperature triggering assembly comprises: a short tube (29) and a probe (30); the short tube (29) is fixedly arranged on an insulating bracket on the left conducting strip (12), and the probe (30) is slidably arranged in the short tube (29).
4. A flame-retardant and heat-insulating structure for a photovoltaic power transmission cable according to claim 3, wherein the enclosed space in the short tube (29) is filled with a whole tube of mercury.
5. The flame-retardant and heat-insulating structure for a photovoltaic power transmission cable according to claim 1, wherein the gasket i (16) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410232837.2A CN117833147B (en) | 2024-03-01 | 2024-03-01 | Flame-retardant heat-insulating structure for photovoltaic power transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410232837.2A CN117833147B (en) | 2024-03-01 | 2024-03-01 | Flame-retardant heat-insulating structure for photovoltaic power transmission cable |
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| Publication Number | Publication Date |
|---|---|
| CN117833147A CN117833147A (en) | 2024-04-05 |
| CN117833147B true CN117833147B (en) | 2024-05-10 |
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| CN202410232837.2A Active CN117833147B (en) | 2024-03-01 | 2024-03-01 | Flame-retardant heat-insulating structure for photovoltaic power transmission cable |
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|---|---|---|---|---|
| CN216287718U (en) * | 2021-12-08 | 2022-04-12 | 深圳市兴达通电线电缆有限公司 | Heat-resistant flame-retardant cable wire |
| CN115064312A (en) * | 2022-06-09 | 2022-09-16 | 钱广平 | Flame-retardant cable with internal compression-resistant protection structure |
| CN115312248A (en) * | 2022-10-13 | 2022-11-08 | 金特线缆有限公司 | Multi-layer co-extrusion type insulating cross-linking flame-retardant cable |
| CN219041370U (en) * | 2022-12-15 | 2023-05-16 | 内蒙古华电乌达热电有限公司 | Electric wiring insulation protection device for power plant |
| CN117059319A (en) * | 2023-10-13 | 2023-11-14 | 河北金力电缆有限公司 | Flame-retardant and fire-resistant power cable for rail transit |
| CN117292885A (en) * | 2023-10-24 | 2023-12-26 | 河北永上电缆集团有限公司 | Aluminum alloy new energy flame-retardant cable for photovoltaic |
-
2024
- 2024-03-01 CN CN202410232837.2A patent/CN117833147B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216287718U (en) * | 2021-12-08 | 2022-04-12 | 深圳市兴达通电线电缆有限公司 | Heat-resistant flame-retardant cable wire |
| CN115064312A (en) * | 2022-06-09 | 2022-09-16 | 钱广平 | Flame-retardant cable with internal compression-resistant protection structure |
| CN115312248A (en) * | 2022-10-13 | 2022-11-08 | 金特线缆有限公司 | Multi-layer co-extrusion type insulating cross-linking flame-retardant cable |
| CN219041370U (en) * | 2022-12-15 | 2023-05-16 | 内蒙古华电乌达热电有限公司 | Electric wiring insulation protection device for power plant |
| CN117059319A (en) * | 2023-10-13 | 2023-11-14 | 河北金力电缆有限公司 | Flame-retardant and fire-resistant power cable for rail transit |
| CN117292885A (en) * | 2023-10-24 | 2023-12-26 | 河北永上电缆集团有限公司 | Aluminum alloy new energy flame-retardant cable for photovoltaic |
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| Publication number | Publication date |
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| CN117833147A (en) | 2024-04-05 |
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