CN116170909A - Environment-friendly carbon core cable - Google Patents
Environment-friendly carbon core cable Download PDFInfo
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- CN116170909A CN116170909A CN202310287948.9A CN202310287948A CN116170909A CN 116170909 A CN116170909 A CN 116170909A CN 202310287948 A CN202310287948 A CN 202310287948A CN 116170909 A CN116170909 A CN 116170909A
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- layer
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- heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
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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 invention discloses an environment-friendly carbon core cable, which belongs to the technical field of heating cables and comprises an insulating heat-insulating body, an inner carbon core and heating conductors uniformly distributed on the inner carbon core, wherein the insulating heat-insulating body consists of an insulating waterproof layer, an insulating electricity-proof layer, a grounding layer and a shielding layer, the inner carbon core consists of a wrapped heat-conducting layer and a carbon fiber composite inner core, the heating conductors consist of an electric-conducting inner core body, a heat-resistant limiting layer, a preformed metal layer and a heat-conducting transmission layer, the insulating waterproof layer is arranged in an expanding mode, is sleeved outside the insulating electricity-proof layer, and the shielding layer is arranged inside the insulating electricity-proof layer and is sleeved on the grounding layer together. According to the invention, the electric conduction inner core body with lower resistivity is used for transmitting current, the preformed metal layer arranged on the electric conduction inner core body and contacted with the electric conduction inner core body is used for heating, and the inner carbon core positioned inside is used for conducting heat, so that the heating efficiency at different positions of the heating cable is ensured to be consistent, and the use experience of floor heating is improved.
Description
Technical Field
The invention relates to the technical field of heating cables, in particular to an environment-friendly carbon core cable.
Background
Heating cables are well known and are used for a variety of purposes. A typical heating cable conducts electricity and in so doing consumes some of the electrical energy it conducts in the form of heat. The heating cable may be in contact with the inside or outside of the tube and may extend in a linear fashion along the tube or be wound around the tube; it has its body shadow in underfloor heating, car seat heating, and any other application requiring heating;
with the continuous improvement of life quality, the floor heating that can provide heating in winter is popular in the southern market, geothermal cable is the heating element of floor heating, geothermal cable arranges subaerial, need bend adjustment direction, because current geothermal cable as an organic whole sets up, its bending part is unanimous with straight line arrangement position structure, can make geothermal cable's bending angle receive the restriction, can't crooked great angle, the geothermal cable quantity of bending place can cause geothermal cable's heat dissipation volume more, make indoor temperature uneven, influence heating experience, and because the moist of south weather influences the operation of geothermal cable, so need predetermine waterproof membrane to ground before carrying out the construction, this makes the installation effectiveness of floor heating receive the influence, for this present provides an environmental protection type carbon core cable.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the bending angle of a geothermal cable is limited, a larger angle cannot be bent, the quantity of the geothermal cables at the bent position is large, the heat dissipation capacity of the geothermal cable is larger, the indoor temperature is uneven, and heating experience is affected.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the environment-friendly carbon core cable comprises an insulating heat-insulating body, an inner carbon core and heating conductors uniformly distributed on the inner carbon core, wherein the insulating heat-insulating body consists of an insulating waterproof layer, an insulating electricity-proof layer, a grounding layer and a shielding layer, the inner carbon core consists of a wrapped heat-conducting layer and a carbon fiber composite inner core, and the heating conductors consist of an electric conduction inner core body, a heat-resistant limiting layer, a preformed armor metal layer and a heat-conducting transmission layer;
the insulating waterproof layer is arranged in an expanding mode and sleeved outside the insulating anti-electricity layer, and the shielding layer is arranged inside the insulating anti-electricity layer and is sleeved on the grounding layer together;
the heat-resistant conductive inner core comprises a plurality of heat-resistant limiting layers, wherein the heat-resistant limiting layers are arranged between the adjacent pre-twisted metal layers and are sleeved on the outer side wall of the conductive inner core body, and the heat-conductive transmission layers are divided into a linear transmission area and a bending transmission area.
Preferably, the heat conduction transmission layer is composed of a heat conduction ring body and a filling heat conduction end block distributed between the heat conduction ring body and the power generation heat conductor.
Preferably, the filling heat conduction end blocks in the heat conduction transmission layer in the linear transmission area are integrally arranged and are in close contact with the heat conduction ring body;
the filled heat-conducting end blocks in the heat-conducting transmission layer in the bending transmission area are staggered to form a group of staggered arrangement, and heat-insulating cavities are formed between the heat-conducting end blocks.
Preferably, an adjusting notch in a spherical shape is formed in the top of the insulating waterproof layer, a grounding wire is arranged in the adjusting notch, and a connecting column penetrating through the side wall of the insulating discharging layer is arranged on each grounding wire at intervals and is communicated with the grounding layer.
Preferably, the carbon fiber composite inner core is composed of an internal carbon fiber mesh wrapping layer and carbon core powder positioned in the carbon fiber mesh wrapping layer, and the wrapping heat conducting layer is sleeved on the carbon fiber composite inner core.
Preferably, the filled heat-conducting end blocks distributed between the heat-conducting ring body and the power generation heat conductor are spirally arranged, and the spirally arranged heat-conducting end blocks are not contacted with each other.
Preferably, the heat-resistant limiting layer is in an annular arrangement, a plurality of spiral through grooves for buckling the preformed metal layer are formed in the heat-resistant limiting layer in a spiral mode, and the inner wall of the preformed metal layer is in conductive contact with the outer side wall of the conductive inner core located in the heat-resistant limiting layer.
Preferably, the heat-generating electrical conductors between adjacent ones are insulated by a filled thermally conductive end block.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the electric conduction inner core body with lower resistivity is used for transmitting current, the preformed metal layer arranged on the electric conduction inner core body and contacted with the electric conduction inner core body is used for heating, and the inner carbon core positioned inside is used for conducting heat, so that the heating efficiency at different positions of the heating cable is ensured to be consistent, and the use experience of floor heating is improved.
2. According to the invention, the preformed heating conductor is arranged on the outer side wall of the inner-layer carbon core, the heating quantity of the heating conductor can be controlled according to the required floor heating temperature, and the temperature of the heating conductor is rapidly and thermally conductive and dispersed by the inner-layer carbon core, so that the uniform heating of the cable is realized, the effect of multi-gear adjustment and multi-temperature selection is realized, and the use in different temperature environments is satisfied.
3. According to the invention, the heat-insulating cavities are arranged at intervals at the positions of the heat-filling end blocks at the bent positions, compared with the heat-filling end blocks at the linear transmission regions, the heat-insulating cavities can reduce the temperature conduction rate, reduce the heat dissipation effect, and the redundant temperature generated at the bent transmission regions can be slowly released in the heat-insulating cavities, so that the heat-insulating effect of the whole heating cable is improved.
Drawings
Fig. 1 is a schematic perspective view of an environment-friendly carbon core cable according to the present invention;
fig. 2 is a schematic structural view of an unfolded and installed state of an environment-friendly carbon core cable according to the present invention;
FIG. 3 is a schematic diagram of an end section structure of an environment-friendly carbon core cable according to the present invention;
fig. 4 is a schematic perspective view of an environment-friendly carbon core cable filled with a heat conducting end block according to the present invention;
fig. 5 is a schematic cross-sectional structure of an environment-friendly carbon core cable filled with a heat conducting end block according to the present invention;
fig. 6 is a schematic structural diagram of two adjacent filled heat conducting end blocks in an environment-friendly carbon core cable according to the present invention.
In the figure: 1. an insulating waterproof layer; 2. an insulating and anti-electric layer; 3. a ground layer; 4. a shielding layer; 5. wrapping the heat conducting layer; 6. a carbon fiber composite inner core; 7. a conductive inner core body; 8. a heat-resistant limit layer; 9. pre-twisting the metal layer; 10. filling the heat conduction end block; 11. a heat-preserving cavity; 12. a ground wire; 13. connecting the column; 14. and the heat conducting ring body.
Detailed Description
The technical solutions of 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, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Examples
Referring to fig. 1-6, an environment-friendly carbon core cable comprises an insulating heat-insulating body, an inner carbon core and heating conductors uniformly distributed on the inner carbon core, wherein the insulating heat-insulating body consists of an insulating waterproof layer 1, an insulating electricity-proof layer 2, a grounding layer 3 and a shielding layer 4, the insulating waterproof layer 1 is arranged in an expanding manner, is sleeved outside the insulating electricity-proof layer 2, and the shielding layer 4 is positioned inside the insulating electricity-proof layer 2 and is sleeved on the grounding layer 3 together;
the insulating waterproof layer 1 and the insulating electricity-proof layer 2 can be relatively fixed in a blocking manner, so that the insulating waterproof layer 1 can be wrapped on the insulating electricity-proof layer 2 before use, and the protection effect on the cable inner core in the insulating waterproof layer is achieved.
The inner carbon core consists of a wrapped heat conducting layer 5 and a carbon fiber composite inner core 6, wherein the carbon fiber composite inner core 6 consists of an inner carbon fiber net-shaped wrapping layer and carbon core powder positioned in the carbon fiber net-shaped wrapping layer, and the wrapped heat conducting layer 5 is sleeved on the carbon fiber composite inner core 6;
notably, are: in the scheme, the inner carbon core is arranged to be the inner carbon core powder, the carbon fiber composite inner core 6 formed by extruding the carbon core powder can ensure the heat conductivity and the conductivity, and can ensure the conduction stability of the inner carbon core in a bending transmission area compared with the situation that a carbon rod cannot be broken during bending, and the carbon fiber is formed by a hexagonal lattice layered structure of graphite, is a full-blackbody material, has high electrothermal conversion efficiency, is not oxidized at high temperature, does not change the load intensity and the mechanical strength of current in unit area, is easy to oxidize the surface of a metal wire in a high temperature state, and reduces the area of effective passing current and increases the load of current due to the continuous thickening of an oxide layer, so that the metal wire is easy to burn; the strength of the wire is 6-10 times lower than that of the carbon fiber at the same allowable current load area.
The heating conductor consists of a conductive inner core body 7, a heat-resistant limiting layer 8, a preformed armor metal layer 9 and a heat conduction transmission layer, wherein the heat-resistant limiting layer 8 has heat resistance and good heat conductivity, is in the prior art, and has the function of realizing the limiting effect on the preformed armor metal layer 9 and realizing the effect that two adjacent preformed armor metal layers 9 are not contacted with each other;
it should be noted that the heating conductors are provided with a plurality of groups, and the heating conductors can be arranged into a plurality of groups, the control switch can respectively control the power supply to different heating conductors, and the heating conductors are divided into a first gear, a second gear and a third gear, and different numbers of heating conductors are opened in different gears, so that the effect of controlling the temperature can be realized by controlling the opening number of the heating conductors on the inner-layer carbon core, and the inner-layer carbon core arranged inside can realize the effect of rapidly dispersing the heat of the heating conductors at different positions.
The top of the insulating waterproof layer 1 is provided with a spherical adjusting notch, a grounding wire 12 is arranged in the adjusting notch, and every other section of the grounding wire 12 is provided with a connecting column 13 penetrating through the side wall of the insulating discharge layer and communicated with the grounding layer 3.
It should be noted that: the connection column 13 is communicated with the conductive inner core body 7 through the preformed metal layer 9, and is communicated with the grounding layer 3, so that the preformed metal layer 9 can be used for connecting the conductive inner core body 7 with the ground through the grounding layer 3, and the effect of ground conduction current protection is achieved.
The heat conduction transmission layer consists of a heat conduction ring body 14 and a filling heat conduction end block 10 distributed between the heat conduction ring body 14 and the power generation heat conductor, and the adjacent heat generation heat conductors are insulated and isolated by the filling heat conduction end block 10; the number of the conductive inner core bodies 7 is plural, the conductive inner core bodies are spirally wound on the outer side wall of the inner layer carbon core, the number of the preformed metal layers 9 is plural, the preformed metal layers are spirally wound on the conductive inner core bodies 7, the heat-resistant limiting layer 8 is arranged between adjacent preformed metal layers 9, is sleeved on the outer side wall of the conductive inner core body 7, and is divided into a linear transmission area and a bending transmission area;
the heat insulation structure is designed aiming at the difference of the areas of the heating cable used at the linear transmission area and the bending transmission area, and the heat insulation cavity 11 can be generated by changing the difference of the filling heat conduction end block 10 of the heating cable at the linear transmission area and the bending transmission area, so that the heat insulation speed of the heating cable at the bending transmission area can be reduced, compared with the temperature conduction speed of the filling heat conduction end block 10 at the linear transmission area, the heat insulation cavity 11, the heat insulation effect can be reduced, the transmission speed of the temperature in the air is far lower than the conduction speed of the filling heat conduction end block 10, the redundant temperature generated at the bending transmission area can be slowly released in the heat insulation cavity 11, the heat insulation effect of the whole heating cable is improved, the heat insulation speed of the heating cable at the bending transmission area is reduced, the temperature at the bending transmission area and the linear transmission area can be relatively consistent, and the using effect is provided.
Still further, heat-resisting spacing layer 8 is the annular setting, is the spiral on it and offers a plurality of spiral opening grooves that supply preformed armor 9 to buckle, preformed armor 9 inner wall and the conductive inner core body 7 lateral wall that is located heat-resisting spacing layer 8 switch on the contact.
The heat-resistant limiting layer 8 is used for limiting the preformed metal layers 9 and transmitting heat energy generated by the preformed metal layers 9, so that the heat energy is distributed more uniformly in the heating cable, each preformed metal layer 9 is in contact with the conductive inner core body 7 positioned inside, the conductive inner core body 7 is a main component for transmitting current in the use process of the cable, the preformed metal layers 9 which are spirally arranged around are heat-generating metal, and the heat-generating metal is a heating element of the whole heating cable.
The filled heat-conducting end block 10 in the heat-conducting transmission layer in the linear transmission area is arranged as a whole and is in close contact with the heat-conducting ring body 14;
the heat-conducting end blocks 10 filled in the heat-conducting transmission layers in the bending transmission areas are staggered to form a group of staggered arrangement, referring to fig. 4-6, the heat-conducting transmission layers in the bending transmission areas divide the whole heat-conducting end blocks 10 into block-shaped combinations when in design, the heat-conducting end blocks 10 filled in the positions in each bending transmission area are staggered, and the heat-insulating cavities 11 are staggered, so that the effect of angle compensation can be realized through the space of the heat-insulating cavities 11 in the bending angle process of the cable bent in the bending transmission area, and the constancy of the temperature in the bending transmission area and the temperature in the linear transmission area can be realized.
The heat-conducting end blocks are provided with heat-insulating cavities 11, the heat-conducting end blocks 10 which are filled between the heat-conducting ring body 14 and the power generation heat conductor are spirally arranged, and the spirally arranged heat-conducting end blocks 10 are not contacted with each other.
When the heat-insulating and heat-insulating cable is used, the heating cable is paved on the ground, the linear transmission area and the bending transmission area on the corresponding heating cable correspond to each other, the heating cable is installed at the position where the ground needs to be bent and linearly transmitted, in the bending process, the effect of angle compensation can be realized through the space of the heat-insulating cavity 11 in the bending angle process of the cable which is firstly positioned at the bending transmission area, the situation that the structures of the filled heat-insulating and heat-insulating end block 10 and the inside are broken can not occur, the filled heat-insulating cavity 11 can be generated by the filled heat-insulating end block 10, compared with the filled heat-insulating end block 10 at the linear transmission area, the temperature conduction rate can be reduced, the heat-insulating effect is reduced, the heat-insulating effect of the whole heating cable is improved, and the temperature at the bending transmission area and the linear transmission area can be relatively consistent;
when the waterproof device is installed, the insulating waterproof layer 1 is unfolded on the heating cable and is attached to the ground, and the waterproof effect on the heating cable is achieved by using the insulating waterproof layer 1 on the heating cable;
when the electric heating cable is electrified for use, the conductive inner core body 7 with lower resistivity and positioned inside is utilized to transmit current, the preformed armor metal layer 9 arranged on the conductive inner core body 7 and contacted with the conductive inner core body is utilized to generate heat, the heating efficiency at different positions of the heating cable can be ensured to be consistent, the effect of rapidly dispersing the heat of the heating conductor at different positions can be realized through the inner carbon core arranged inside, the constancy and average of indoor temperature are ensured, and the heating experience is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The environment-friendly carbon core cable is characterized by comprising an insulating heat-insulating body, an inner carbon core and heating conductors uniformly distributed on the inner carbon core, wherein the insulating heat-insulating body consists of an insulating waterproof layer (1), an insulating electricity-proof layer (2), a grounding layer (3) and a shielding layer (4), the inner carbon core consists of a wrapped heat conducting layer (5) and a carbon fiber composite inner core (6), and the heating conductors consist of an electric conducting inner core body (7), a heat-resistant limiting layer (8), a preformed armor metal layer (9) and a heat conducting transmission layer;
the insulating waterproof layer (1) is arranged in an expanding mode, is sleeved outside the insulating electricity-proof layer (2), and the shielding layer (4) is arranged inside the insulating electricity-proof layer (2) and is sleeved on the grounding layer (3) together;
the number of the conductive inner core bodies (7) is plural, the conductive inner core bodies are spirally wound on the outer side wall of the inner layer carbon core, the number of the preformed metal layers (9) is plural, the preformed metal layers are spirally wound on the conductive inner core bodies (7), the heat-resistant limiting layers (8) are arranged between the adjacent preformed metal layers (9) and sleeved on the outer side wall of the conductive inner core body (7), and the heat-conducting transmission layers are divided into linear transmission areas and bending transmission areas.
2. An environmentally friendly carbon core cable according to claim 1, characterized in that the thermally conductive transfer layer consists of a thermally conductive ring body (14) and filled thermally conductive end blocks (10) distributed between the thermally conductive ring body (14) and the power generating thermal conductor.
3. An environmentally friendly carbon core cable according to claim 2, characterized in that the filled thermally conductive end block (10) within the thermally conductive transmission layer in the linear transmission region is integrally arranged and in close contact with the thermally conductive ring body (14);
the filled heat-conducting end blocks (10) in the heat-conducting transmission layer in the bending transmission area are staggered to form a group of staggered arrangement, and heat-insulating cavities (11) are formed between the heat-conducting end blocks.
4. The environment-friendly carbon core cable according to claim 1, wherein a spherical adjusting notch is formed in the top of the insulating waterproof layer (1), a grounding wire (12) is arranged in the adjusting notch, and each section of the grounding wire (12) is provided with a connecting column (13) penetrating through the side wall of the insulating discharging layer and communicated with the grounding layer (3).
5. An environment-friendly carbon core cable according to claim 1, wherein the carbon fiber composite inner core (6) is composed of an inner carbon fiber mesh wrapping layer and carbon core powder located in the carbon fiber mesh wrapping layer, and the wrapping heat conducting layer (5) is sleeved on the carbon fiber composite inner core (6).
6. An environmentally friendly carbon core cable according to claim 2, characterized in that the filled thermally conductive end blocks (10) distributed between the thermally conductive ring body (14) and the power generating thermal conductor are arranged in a spiral manner, wherein the filled thermally conductive end blocks (10) arranged in a spiral manner are not in contact with each other.
7. The environment-friendly carbon core cable according to claim 1, wherein the heat-resistant limiting layer (8) is in an annular arrangement, a plurality of spiral through-hole grooves for clamping the preformed metal layer (9) are formed in a spiral manner on the heat-resistant limiting layer, and the inner wall of the preformed metal layer (9) is in conductive contact with the outer side wall of the conductive inner core body (7) positioned in the heat-resistant limiting layer (8).
8. An environmentally friendly carbon core cable according to claim 2 wherein said heat generating electrical conductors between adjacent ones are insulated by filled thermally conductive end blocks (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310287948.9A CN116170909B (en) | 2023-03-23 | 2023-03-23 | Environment-friendly carbon core cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310287948.9A CN116170909B (en) | 2023-03-23 | 2023-03-23 | Environment-friendly carbon core cable |
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| CN116170909A true CN116170909A (en) | 2023-05-26 |
| CN116170909B CN116170909B (en) | 2023-07-18 |
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| CN105376880A (en) * | 2014-08-16 | 2016-03-02 | 江苏彩阳环保科技有限公司 | Environment-friendly dual-core heating cable for electrothermal floor heating |
| CN211628736U (en) * | 2020-04-30 | 2020-10-02 | 安徽鸿海电缆有限公司 | Cold-resistant computer signal cable |
| CN212365545U (en) * | 2020-05-18 | 2021-01-15 | 扬州智鑫电子科技有限公司 | Anti-dragging and bending-resistant storage battery connecting wire |
| CN214505075U (en) * | 2021-05-25 | 2021-10-26 | 华远高科电缆有限公司 | Crosslinked polyethylene insulated thick steel wire armored cold-resistant medium-voltage cable |
| CN113739242A (en) * | 2021-09-28 | 2021-12-03 | 单县多米石墨烯科技有限公司 | Waterproof heating module with high protection structure and preparation method thereof |
| CN215265686U (en) * | 2020-12-30 | 2021-12-21 | 江苏易鼎复合技术有限公司 | Composite aluminum alloy heat-resistant wire |
| CN115274208A (en) * | 2022-08-16 | 2022-11-01 | 晶锋集团股份有限公司 | Heat-resistant insulated cable for industrial power transmission and transformation and preparation method thereof |
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2023
- 2023-03-23 CN CN202310287948.9A patent/CN116170909B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1369705A (en) * | 1963-09-18 | 1964-08-14 | Brown | High voltage insulation for electrical installations, devices, bus bars, cables, etc. |
| CN105376880A (en) * | 2014-08-16 | 2016-03-02 | 江苏彩阳环保科技有限公司 | Environment-friendly dual-core heating cable for electrothermal floor heating |
| CN204117644U (en) * | 2014-09-30 | 2015-01-21 | 沈阳长城电缆实业有限公司 | A kind of environment-friendly type is from the oblate cable of limit warm carbon fiber complex core heating waterproof |
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| CN212365545U (en) * | 2020-05-18 | 2021-01-15 | 扬州智鑫电子科技有限公司 | Anti-dragging and bending-resistant storage battery connecting wire |
| CN215265686U (en) * | 2020-12-30 | 2021-12-21 | 江苏易鼎复合技术有限公司 | Composite aluminum alloy heat-resistant wire |
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| CN116170909B (en) | 2023-07-18 |
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