CN116658965A - Composite graphene heating wallboard and processing method thereof - Google Patents
Composite graphene heating wallboard and processing method thereof Download PDFInfo
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- CN116658965A CN116658965A CN202310641278.6A CN202310641278A CN116658965A CN 116658965 A CN116658965 A CN 116658965A CN 202310641278 A CN202310641278 A CN 202310641278A CN 116658965 A CN116658965 A CN 116658965A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 107
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 56
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000003672 processing method Methods 0.000 title abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 35
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910002804 graphite Inorganic materials 0.000 claims description 16
- 239000010439 graphite Substances 0.000 claims description 16
- 239000011259 mixed solution Substances 0.000 claims description 15
- 229910052582 BN Inorganic materials 0.000 claims description 12
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 6
- 210000003195 fascia Anatomy 0.000 claims description 6
- 239000002135 nanosheet Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 5
- 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 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- IQDGSYLLQPDQDV-UHFFFAOYSA-N dimethylazanium;chloride Chemical compound Cl.CNC IQDGSYLLQPDQDV-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000004108 freeze drying Methods 0.000 claims description 3
- 238000010907 mechanical stirring Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000006722 reduction reaction Methods 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- -1 compound graphite alkene Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000013459 approach Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
- F24D13/022—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
- F24D13/024—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/06—Casings, cover lids or ornamental panels, for radiators
- F24D19/062—Heat reflecting or insulating shields
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a composite graphene heating wallboard and a processing method thereof, and relates to the technical field of building walls. In the invention, after the electromagnet is electrified, the positioning plate and the moving plate are adsorbed, the third guide rail which expands outwards contracts inwards, so that the sliding frame moves towards the inner wallboard and drives the pulling plate to pull the pulling plate outwards, and the fixed plate is positioned between the connecting column and the outer wallboard, therefore, the gap between the pulling plate and the fixed plate is increased, a cavity structure approaching to a vacuum state is formed between the pulling plate and the fixed plate, the larger the cavity space is, the better the heat insulation effect between the outer wallboard and the heating wallboard is, the heat insulation property of the heating wallboard can be increased, the problem that heat is lost into a room is avoided, and the utilization ratio of energy sources is improved.
Description
Technical Field
The invention relates to the technical field of building walls, in particular to a composite graphene heating wallboard and a processing method thereof.
Background
The wall temperature of the heating wall board is close to the indoor temperature, dew is not easy to form on the surface, the heating is put into the wall, namely, the heating pipe is put into the wall, the heating radiator is designed in the wall, at present, graphene is adopted to replace the heating radiator along with development and progress of technology, better performance is achieved, and infrared rays emitted by the graphene are called as life rays. Compared with the conventional metal wire heating film, the graphene heating film cannot be used continuously if the conventional metal wire heating film fails and is damaged, but due to the overall heating property of the graphene heating film, even if a hole is broken or one piece is cut off, the graphene heating film can continuously generate heat as long as a part which can connect the positive electrode and the negative electrode is left, so that the graphene material is widely focused in the field of building wallboards.
For example, the Chinese patent application number is: the production process of the graphene heating wallboard module of CN111549991A comprises the steps of raw material treatment, dispersion treatment, substrate preparation, brushing of a heating layer, plate compounding, detection and encapsulation, and the heating wallboard prepared by the steps of using has good heating efficiency, has higher strength of glass fiber cloth, can properly reduce the thickness, is low in thickness, is convenient to install and lay, and has the advantages of low production cost, no toxicity and no harm.
In the prior art, the sunlight intensity in winter is relatively low, the illumination duration is short, the outdoor environment temperature is low, the wallboard made of the graphene material is required to supply heat indoors, and when the general graphene heating plate works inside the wallboard, the heat insulation effect is general because the space of the wallboard is limited, and the heat generated by the graphene is partially dissipated outdoors, so that the heating effect is not ideal, and the energy waste is caused.
Disclosure of Invention
The invention aims to provide a composite graphene heating wallboard and a processing method thereof, which are used for solving the problems that when a general graphene heating board provided by the background art works in the wallboard, the heat insulation effect of the wallboard is general, and the heat generated by graphene is partially dissipated outdoors, so that the heating effect is not ideal and the energy waste is caused.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a compound graphite alkene heating wallboard, includes heating wallboard, interior wallboard and side fascia, heating wallboard's inside is provided with heating mechanism, heating mechanism includes focus adjustment subassembly and electricity heating element, focus adjustment subassembly includes two first rotating arms, two the both ends of first rotating arm are all rotated and are connected with the second rotating arm, two rotate between the second rotating arm and be connected with first rotating shaft, the lateral wall sliding connection of first rotating shaft has the second guide rail, the lateral wall fixedly connected with second axis of rotation of second guide rail, the second axis of rotation with rotate between the second rotating arm and be connected with the third rotating arm, the second rotating arm with the lateral wall of third rotating arm is all fixedly connected with concave condensing plate, sliding connection between the concave condensing plate;
the electric heating component comprises a sliding frame, a graphene heating plate is fixedly embedded into the inner side wall of the sliding frame, third guide rails are slidably connected to the four corner positions of the sliding frame, second connecting rods are rotatably connected to the central positions of the side walls of the two third guide rails, the outer side walls of the second connecting rods are rotatably connected with one end of a first rotating shaft, one end of the second rotating shaft is rotatably connected with a first connecting rod, two ends of the first connecting rod are rotatably connected with one end side wall of the third guide rail, pull plates are fixedly connected to the top end and the bottom end of the sliding frame, and a heat insulation mechanism is fixedly connected to one end of each pull plate;
the heat insulation mechanism comprises a drawing plate and a fixing plate, wherein the side wall of the drawing plate is fixedly connected with the drawing plate, the side edge of the drawing plate is fixedly connected with a sealing plate, the fixing plate is in sliding connection with the sealing plate, and a connecting column is fixedly connected between the fixing plate and the external wall plate.
Preferably, the inside of heating wallboard is provided with positioning mechanism, positioning mechanism includes locating plate and movable plate, the locating plate with heating wallboard's inside wall fixed connection, the movable plate with heating wallboard's inside wall sliding connection, the both ends of third guide rail are fixedly connected with rotor block and sliding block respectively.
Preferably, the rotating block is rotationally connected with the positioning plate, a first guide rail is fixedly connected with the side wall of the moving plate, the sliding block is slidably connected with the first guide rail, and electromagnets are fixedly connected with the two ends of the positioning plate and the two ends of the moving plate.
Preferably, the heating mechanism further comprises a transmission assembly, the transmission assembly comprises a first straight gear and two second bevel gears, the outer side wall of the first straight gear is meshed with the two second straight gears, and the outer side wall of the second bevel gear is meshed with the first bevel gear.
Preferably, a transmission rod is fixedly connected between the second straight gear and the first bevel gear, a third rotating shaft is fixedly connected between the second bevel gear and the first rotating arm, and a rack is meshed with the outer side wall of the first straight gear.
Preferably, the rack is fixedly connected with the side wall of the sliding frame, a tripod is arranged above the top end of the transmission rod, one end of the tripod is rotationally connected with the second bevel gear, and the other end of the tripod is rotationally connected with the first bevel gear.
Preferably, a protecting shell is arranged on the outer side of the first straight gear, a base is fixedly connected to the bottom end of the protecting shell, and the base is rotationally connected with the third guide rail.
Preferably, the side wall of the inner wallboard is provided with a heat conduction hole, a flame-retardant filling layer is arranged between the inner wallboard and the heating wallboard, and a waterproof layer is arranged between the heating wallboard and the outer wallboard.
Preferably, two ends of the second rotating arm are provided with movable rotating shafts, the first rotating arm is rotatably connected with the second rotating arm through the movable rotating shafts, and the third rotating arm is rotatably connected with the second rotating arm through the movable rotating shafts.
A processing method of a composite graphene heating wallboard comprises the following steps:
step one, mixing concentrated sulfuric acid and peroxyacetic acid according to the volume ratio of 1:2, preparing a mixed solution by uniformly mixing according to the proportion of 1:5 weighing graphite and placing the graphite into a container;
step two, placing the mixed solution into a reactor, adding water and potassium permanganate, uniformly stirring, and carrying out oxidation reaction to obtain graphite oxide;
dispersing the prepared graphite oxide in water, performing ultrasonic oscillation treatment, adding a reducing agent for reduction reaction, and cleaning and drying the reduced graphite by deionized water to prepare graphene;
adding boron nitride powder into isopropanol solution, ultrasonically stripping the mixed solution in a container, removing large-particle boron nitride by using a centrifuge, and finally obtaining uniform boron nitride nano-sheet isopropanol mixed solution for later use;
step five, adding the prepared graphene into polydiene dimethyl ammonium chloride solution water solution, mechanically stirring at room temperature, obtaining a black product by using a centrifuge, washing for three times by using deionized water, and centrifuging to obtain modified graphene;
and step six, uniformly mixing the modified graphene and isopropanol, adding the isopropanol mixed solution of the boron nitride nanosheets into the mixture under mechanical stirring, centrifuging to obtain the boron nitride-graphene composite heat-conducting filler, adding a proper amount of deionized water, and freeze-drying to obtain the graphene heating plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, after the electromagnet is electrified, the positioning plate and the moving plate are adsorbed, the third guide rail which expands outwards contracts inwards, when the sliding frame moves towards the inner wallboard, the pulling plate is driven to pull the pulling plate outwards, the fixing plate is positioned with the outer wallboard through the connecting column, the gap between the pulling plate and the fixing plate is increased, a cavity structure which approaches to a vacuum state is formed between the pulling plate and the fixing plate, the larger the cavity space is, the better the heat insulation effect between the outer wallboard and the heating wallboard is, the heat insulation performance of the heating wallboard can be enhanced, the problem that heat is lost into a room is avoided, and the utilization ratio of energy sources is improved.
2. According to the invention, the first rotating shaft is controlled to slide on the second guide rail through the positioning mechanism, so that the inner end of the second guide rail slides to the position of the third rotating shaft, the movable rotating shaft moves to the outer side of the second guide rail, the position of the second rotating shaft is closer to the second rotating arm, the second rotating arm also approaches to the third rotating arm, the concave condensing plates on the inner side wall of the focal length adjusting assembly are mutually accommodated, the concave condensing plates are not subjected to two outer side tensions, the concave condensing plates are converged into a more round sphere from a prolate ellipse, after the appearance is changed, the focal length of the concave condensing plates is increased, heat of the electric heating assembly can be transferred to an inner wall plate on the outer side, and the heat transfer efficiency can be improved.
3. According to the invention, the rack is driven to move through the sliding frame, and the rack drives the first straight gear to rotate, and when the external wall plate rotates the second straight gears on the two outer sides, the transmission rod and the first bevel gear are driven to rotate, so that the second bevel gear drives the third rotating shaft and the first rotating arm to rotate, and the first rotating arm is driven to expand outwards, thereby not only improving the stability of the whole structure, but also reducing the adjusting resistance of the whole structure of the focal length adjusting assembly, and facilitating the realization of the function of focal length change.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a composite graphene heating wallboard and a processing method thereof;
fig. 2 is a schematic diagram of the internal structure of a heating wallboard with composite graphene and a processing method thereof;
FIG. 3 is a schematic diagram of a positioning mechanism structure of a composite graphene heating wallboard and a processing method thereof;
FIG. 4 is a cross-sectional view of a thermal insulation mechanism of a composite graphene heating wallboard and a processing method thereof;
fig. 5 is a schematic structural diagram of a heating mechanism of the composite graphene heating wallboard and the processing method thereof;
fig. 6 is a schematic diagram II of a heating mechanism of the composite graphene heating wallboard and a processing method thereof;
FIG. 7 is a schematic diagram of a transmission assembly of a composite graphene heating wallboard and a processing method thereof;
fig. 8 is a schematic structural diagram of a focal length adjusting assembly of a composite graphene heating wallboard and a processing method thereof according to the present invention;
fig. 9 is an enlarged effect diagram of the partial structure at a in fig. 5.
In the figure: 1. heating wallboards; 2. an inner wall panel; 3. an external wall panel; 4. a flame retardant filler layer; 5. a waterproof layer; 6. a heat insulation mechanism; 61. a pressure plate; 62. a fixing plate; 63. a sealing plate; 64. a connecting column; 7. a positioning mechanism; 71. a positioning plate; 72. a moving plate; 73. an electromagnet; 74. a first guide rail; 8. a heating mechanism; 81. a concave condensing plate; 82. a focal length adjustment assembly; 821. a first rotating arm; 822. a movable rotating shaft; 823. a second rotating arm; 824. a first rotation shaft; 825. a second guide rail; 826. a second rotation shaft; 827. a third rotation shaft; 828. a third rotating arm; 83. a transmission assembly; 831. a protective shell; 832. a base; 833. a first straight gear; 834. a second spur gear; 835. a transmission rod; 836. a first bevel gear; 837. a second bevel gear; 838. a tripod; 839. a rack; 84. an electric heating component; 841. a sliding frame; 842. a third guide rail; 843. a rotating block; 844. a sliding block; 845. a graphene heating plate; 846. pulling a plate; 847. a first connecting rod; 848. and a second connecting rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-9: the composite graphene heating wallboard comprises a heating wallboard 1, an inner wallboard 2 and an outer wallboard 3, wherein a heating mechanism 8 is arranged in the heating wallboard 1, the heating mechanism 8 comprises a focal length adjusting assembly 82 and an electric heating assembly 84, the focal length adjusting assembly 82 comprises two first rotating arms 821, two ends of the two first rotating arms 821 are respectively connected with a second rotating arm 823 in a rotating mode, a first rotating shaft 824 is connected between the two second rotating arms 823 in a rotating mode, the outer side wall of the first rotating shaft 824 is connected with a second guide rail 825 in a sliding mode, the side wall of the second guide rail 825 is fixedly connected with a second rotating shaft 826, a third rotating arm 828 is connected between the second rotating shaft 826 and the second rotating arm 823 in a rotating mode, concave condensing plates 81 are fixedly connected to the side walls of the second rotating arms 823 and the third rotating arms 828 in a sliding mode;
the outer wallboard 3 is an outer wall of a building, the inner wallboard 2 is an inner wall of the building, a temperature sensor is arranged on the surface of the outer wallboard 3, the first rotating arm 821, the second rotating arm 823, the third rotating arm 828 and the second guide rail 825 are made of elastic rubber materials, the first rotating arm 821, the second rotating arm 823 and the third rotating arm 828 are in a loose state and are in a wrapped spherical shape, two ends are changed into an oval shape after being subjected to tensile force, an electrified heating mechanism 8 is arranged in the inner wallboard 2, and the heat transfer quantity from the heating wallboard 1 to the inner wallboard 2 is increased;
when the outdoor temperature is too low, after the temperature sensor detects the ambient temperature, the electric circuit controls the amount of current passing through the heating mechanism 8, so as to control the heating power of the heating mechanism 8, after the electric heating component 84 conducts heat, the positioning mechanism 7 controls the first rotating shaft 824 to slide on the second guide rail 825, so that the inner end of the second guide rail 825 slides towards the third rotating shaft 827, and the two second rotating arms 823 and the two first rotating arms 821 both take an X shape.
The movable rotating shaft 822 moves to the outer side of the second guide rail 825, so that the position of the second rotating shaft 826 is closer to the second rotating arm 823 is closer to the third rotating arm 828, the concave condensing plates 81 attached to the inner side walls of the second rotating arm 823 and the third rotating arm 828 are mutually accommodated, the concave condensing plates 81 are not subjected to tension on two outer sides, the concave condensing plates 81 are converged into a round sphere from a prolate ellipse, the concave condensing plates 81 are concave reflectors, after the appearance is changed, the focal length of the concave condensing plates is increased, heat of the electric heating component 84 can be transferred to the inner wall plate 2 on the outer side, and the heat transfer efficiency is improved.
The electrical heating component 84 includes a sliding frame 841, a graphene heating plate 845 is fixedly embedded in an inner side wall of the sliding frame 841, third guide rails 842 are slidably connected to four corner positions of the sliding frame 841, a second connecting rod 848 is rotatably connected to a center position of side walls of the two third guide rails 842, an outer side wall of the second connecting rod 848 is rotatably connected to one end of the first rotating shaft 824, one end of the second rotating shaft 826 is rotatably connected to a first connecting rod 847, two ends of the first connecting rod 847 are rotatably connected to one end side wall of the third guide rail 842, pull plates 846 are fixedly connected to top ends and bottom ends of the sliding frame 841, and one end of each pull plate 846 is fixedly connected to a heat insulation mechanism 6.
When the focal length adjusting assembly 82 is contracted, the two outer ends of the second guide rails 825 are not stretched by two sides, so that the distance between the two second rotating shafts 826 is reduced, the deformation of the second rotating shafts 826 is larger than that of the first rotating shafts 824, so that the two first connecting rods 847 are more contracted inwards, when the two third guide rails 842 are stretched to move in parallel directions, the two ends of the sliding frame 841 are close to the outer wall plate 3, and when the sliding frame 841 slides towards the inner wall plate 2 during contraction, the sliding frame 841 drives the graphene heating plate 845 to be closer to the inner wall plate 2, heat conductivity is improved, and meanwhile, the sliding frame 841 drives the pulling plate 846 to move, so that the thermal insulation mechanism 6 is convenient to expand, and the outer wall plate 3 is insulated.
In addition, the heat insulation mechanism 6 comprises a drawing plate 61 and a fixing plate 62, the side wall of the drawing plate 61 is fixedly connected with a drawing plate 846, the side edge of the drawing plate 61 is fixedly connected with a sealing plate 63, the fixing plate 62 is in sliding connection with the sealing plate 63, and a connecting column 64 is fixedly connected between the fixing plate 62 and the external wall plate 3;
set up thermal-insulated mechanism 6 between side fascia 3 and the heating wallboard 1, through at closing plate 63, increase the leakproofness between pull board 61 and the fixed plate 62, when the focus adjustment subassembly 82 shrink, pull board 846 drives pull board 61 outwards pulling, fixed plate 62 passes through the spliced pole 64 and is fixed a position between the side fascia 3, thereby make pull board 61 and fixed plate 62 clearance increase, and then form a cavity structure that approaches in vacuum state between pull board 61 and fixed plate 62, wherein the cavity space is bigger, the thermal-insulated effect between side fascia 3 and the heating wallboard 1 is better, the thermal-insulated nature of heating wallboard has been strengthened, the problem that the heat lost indoor has been avoided, the utilization ratio of the energy has been promoted.
Example two
Referring to fig. 2 and 3, it is shown that: the inside of heating wallboard 1 is provided with positioning mechanism 7, and positioning mechanism 7 includes locating plate 71 and movable plate 72, and locating plate 71 and the inside wall fixed connection of heating wallboard 1, movable plate 72 and the inside wall sliding connection of heating wallboard 1, the both ends of third guide rail 842 are fixedly connected with rotary block 843 and sliding block 844 respectively. The rotating block 843 is rotationally connected with the positioning plate 71, the side wall of the moving plate 72 is fixedly connected with the first guide rail 74, the sliding block 844 is slidingly connected with the first guide rail 74, and both ends of the positioning plate 71 and the moving plate 72 are fixedly connected with the electromagnet 73.
The working principle of the embodiment is as follows: when the temperature sensor controls the internal current to increase, the current passing through the inside of the electromagnet 73 also increases, so that the magnetic attraction force between the positioning plate 71 and the moving plate 72 is increased, when the moving plate 72 approaches to the positioning plate 71, the sliding block 844 limited by the first guide rail 74 on the moving plate 72 is shifted, so that the third guide rail 842 is contracted inwards, the sliding frame 841 moves towards the inner wall plate 2, the driving force is improved for the movement of the transmission assembly 83, the second rotating shaft 826 is also directly driven to shift, and the extension structure of the focal length adjusting assembly 82 is adjusted.
Example III
Referring to fig. 3, 5, 6 and 7, there are shown: the heating mechanism 8 further comprises a transmission assembly 83, wherein the transmission assembly 83 comprises a first straight gear 833 and two second bevel gears 837, the outer side wall of the first straight gear 833 is meshed with the two second straight gears 834, and the outer side wall of the second bevel gear 837 is meshed with the first bevel gear 836. A transmission rod 835 is fixedly connected between the second straight gear 834 and the first bevel gear 836, a third rotating shaft 827 is fixedly connected between the second bevel gear 837 and the first rotating arm 821, and a rack 839 is meshed with the outer side wall of the first straight gear 833. The rack 839 is fixedly connected with the side wall of the sliding frame 841, a tripod 838 is arranged above the top end of the transmission rod 835, one end of the tripod 838 is rotatably connected with a second bevel gear 837, and the other end of the tripod 838 is rotatably connected with a first bevel gear 836. The outside of first straight gear 833 is provided with protecting crust 831, and protecting crust 831's bottom fixedly connected with base 832, base 832 and third guide 842 are connected in rotation.
The working principle of the embodiment is as follows: when the temperature sensor controls the internal current to increase, the current passing through the inside of the electromagnet 73 also increases, so that the magnetic attraction force between the positioning plate 71 and the moving plate 72 is increased, when the moving plate 72 approaches to the positioning plate 71, the sliding block 844 limited by the first guide rail 74 on the moving plate 72 is displaced, so that the third guide rail 842 is retracted inwards, the sliding frame 841 moves towards the inner wall plate 2, the driving force is improved for the movement of the transmission assembly 83, the second rotation shaft 826 is also directly driven to displace, the shape of the focal length adjusting assembly 82 is adjusted, the positioning plate 71 and the moving plate 72 are attracted to each other by the two electromagnets 73, and the sliding frame 841 moves towards the inner wall plate 2.
Meanwhile, the sliding frame 841 drives the rack 839 to move, the rack 839 drives the first straight gear 833 to rotate, and the first straight gear 833 rotates two outer second straight gears 834 to rotate. The second spur gear 834 drives the upper first bevel gear 836 to rotate via the transmission rod 835, and the first bevel gear 836 drives the second bevel gear 837 to rotate.
The second bevel gear 837 passes through the third axis of rotation 827 again, drives first rotating arm 821 and rotates, and direct drive first rotating arm 821 outwards expands, has not only promoted overall structure's stability, can also make first rotating arm 821 when the too big auto-lock of resistance appears, drives its rotation through the less axial torsion of resistance, has reduced the holistic regulation resistance of focus adjustment assembly 82, is convenient for realize the effect that the focus changed.
Example IV
Referring to fig. 1 and 8, it is shown that: the heat conduction hole has been seted up to the lateral wall of interior wallboard 2, is provided with fire-retardant filling layer 4 between interior wallboard 2 and the heating wallboard 1, is provided with waterproof layer 5 between heating wallboard 1 and the side fascia 3. The two ends of the second rotating arm 823 are provided with movable rotating shafts 822, the first rotating arm 821 is rotatably connected with the second rotating arm 823 through the movable rotating shafts 822, and the third rotating arm 828 is rotatably connected with the second rotating arm 823 through the movable rotating shafts 822.
The working principle of the embodiment is as follows: when the temperature sensor controls the internal current to increase, the current passing through the inside of the electromagnet 73 is also increased, thereby increasing the magnetic attraction between the positioning plate 71 and the moving plate 72, when the moving plate 72 approaches to the positioning plate 71, the sliding block 844 limited by the first guide rail 74 on the moving plate 72 is shifted, thereby enabling the third guide rail 842 to shrink inwards, the sliding frame 841 moves towards the inner wallboard 2, driving force is provided for the movement of the transmission assembly 83, the second rotating shaft 826 is also directly driven to shift, the shape of the focal length adjusting assembly 82 is changed, heat dissipation holes and patterns are formed on the surface of the heating wallboard 1, the heat conduction amount of the inner wallboard 2 is improved, the fire disaster caused by overhigh temperature is avoided by arranging the flame retardant filling layer 4 in the inner wallboard 2, and the influence of rainwater on the circuit in the inner wallboard 2 due to the fact that the rainwater wets the wall is avoided by arranging the waterproof layer 5 in the inner wallboard 3.
A processing method of a composite graphene heating wallboard comprises the following steps:
1) The volume ratio of the concentrated sulfuric acid to the peroxyacetic acid is 1:2, preparing a mixed solution by uniformly mixing according to the proportion of 1:5 weigh graphite and place it in a container.
2) And (3) placing the mixed solution into a reactor, adding water and potassium permanganate, uniformly stirring, and carrying out oxidation reaction to obtain graphite oxide.
3) Dispersing the prepared graphite oxide in water, performing ultrasonic oscillation treatment, adding a reducing agent for reduction reaction, and cleaning and drying the reduced graphite by deionized water to prepare graphene;
4) Adding boron nitride powder into isopropanol solution, ultrasonically stripping the mixed solution in a container, removing large-particle boron nitride by using a centrifuge, and finally obtaining uniform boron nitride nano-sheet isopropanol mixed solution for later use.
5) And adding the prepared graphene into polydiene dimethyl ammonium chloride solution water solution, mechanically stirring at room temperature, obtaining a black product by using a centrifuge, washing three times by using deionized water, and centrifuging to obtain the modified graphene.
6) Uniformly mixing the modified graphene and isopropanol, adding the isopropanol mixed solution of the boron nitride nanosheets into the mixture under mechanical stirring, centrifuging to obtain the boron nitride-graphene composite heat conducting filler, adding a proper amount of deionized water, and freeze-drying to obtain the graphene heating plate 845.
The application method and the working principle of the device are as follows: when the outdoor temperature is low, the temperature sensor control circuit increases the current, the power of the graphene heating plate 845 and the electromagnet 73 increases, the magnetic force of the electromagnet 73 increases, the moving plate 72 approaches the positioning plate 71, the sliding block 844 on the first guide rail 74 is shifted, the distance between the second rotating shaft 826 and the first rotating shaft 824 approaches, the second guide rail 825 moves toward the first rotating arm 821, the third guide rail 842 contracts inward, and the sliding frame 841 moves toward the inner wall plate 2.
Then, the sliding frame 841 drives the rack 839 to move, the rack 839 drives the first straight gear 833 to rotate, the first straight gear 833 rotates the two outer second straight gears 834 to rotate, the second straight gear 834 drives the upper first bevel gear 836 to rotate through the transmission rod 835, the first bevel gear 836 drives the second bevel gear 837 to rotate, the second bevel gear 837 drives the first rotating arm 821 to rotate through the third rotating shaft 827, and the first rotating arm 821 is directly driven to expand outwards.
Meanwhile, the sliding frame 841 drives the pulling plate 846 to move, the pulling plate 846 drives the drawing plate 61 to pull outwards, and the fixing plate 62 is positioned between the connecting column 64 and the external wall panel 3, so that a gap between the drawing plate 61 and the fixing plate 62 is increased, a cavity structure approaching to a vacuum state is formed between the drawing plate 61 and the fixing plate 62, the larger the cavity space is, the better the heat insulation effect between the external wall panel 3 and the heating wall panel 1 is, the heat insulation performance of the heating wall panel is improved, the problem that heat is lost to the room is avoided, and the utilization rate of energy sources is improved.
In addition, the distance between the second rotation axis 826 and the first rotation axis 824 is closer, the second rotation arm 823 is closer to the third rotation arm 828, so that the concave condensing plates 81 attached to the inner side walls of the second rotation arm 823 and the third rotation arm 828 are accommodated in each other, the concave condensing plates 81 are not subjected to two outer tension, and are converged from a prolate ellipse into a more round sphere, the concave condensing plates 81 are concave reflectors, after the appearance is changed, the focal length of the reflectors is increased, and the heat of the electric heating assembly 84 can be transferred to the inner wall plates 2 on the outer side, so that the heat transfer efficiency is improved.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The utility model provides a compound graphite alkene heating wallboard, includes heating wallboard (1), interior wallboard (2) and side fascia (3), its characterized in that: the inside of heating wallboard (1) is provided with heating mechanism (8), heating mechanism (8) are including focal length adjustment subassembly (82) and electric heating subassembly (84), focal length adjustment subassembly (82) are including two first rotating arms (821), two the both ends of first rotating arm (821) are all rotated and are connected with second rotating arm (823), rotate between two second rotating arms (823) and be connected with first rotating shaft (824), the lateral wall sliding connection of first rotating shaft (824) has second guide rail (825), the lateral wall fixedly connected with second rotating shaft (826) of second guide rail (825), rotate between second rotating shaft (826) with rotate between second rotating arm (823) and be connected with third rotating arm (828), second rotating arm (823) with the lateral wall of third rotating arm (828) is all fixedly connected with concave condensing plate (81), sliding connection between concave condensing plate (81);
the electric heating component (84) comprises a sliding frame (841), a graphene heating plate (845) is fixedly embedded into the inner side wall of the sliding frame (841), third guide rails (842) are slidably connected to four corner positions of the sliding frame (841), second connecting rods (848) are rotatably connected to the central positions of the side walls of the two third guide rails (842), the outer side wall of each second connecting rod (848) is rotatably connected with one end of a first rotating shaft (824), one end of a second rotating shaft (826) is rotatably connected with a first connecting rod (847), two ends of each first connecting rod (847) are rotatably connected with one end side wall of each third guide rail (842), a pull plate (846) is fixedly connected to the top end and the bottom of each sliding frame (841), and one end of each pull plate (846) is fixedly connected with a heat insulation mechanism (6);
the heat insulation mechanism (6) comprises a drawing plate (61) and a fixing plate (62), wherein the side wall of the drawing plate (61) is fixedly connected with the drawing plate (846), the side edge of the drawing plate (61) is fixedly connected with a sealing plate (63), the fixing plate (62) is in sliding connection with the sealing plate (63), and a connecting column (64) is fixedly connected between the fixing plate (62) and the external wall plate (3).
2. The composite graphene heating wallboard of claim 1, wherein: the inside of heating wallboard (1) is provided with positioning mechanism (7), positioning mechanism (7) are including locating plate (71) and movable plate (72), locating plate (71) with the inside wall fixed connection of heating wallboard (1), movable plate (72) with the inside wall sliding connection of heating wallboard (1), the both ends of third guide rail (842) are fixedly connected with rotary block (843) and sliding block (844) respectively.
3. The composite graphene heating wallboard of claim 2, wherein: the rotary block (843) is rotationally connected with the positioning plate (71), a first guide rail (74) is fixedly connected with the side wall of the moving plate (72), the sliding block (844) is slidably connected with the first guide rail (74), and electromagnets (73) are fixedly connected with the two ends of the positioning plate (71) and the two ends of the moving plate (72).
4. The composite graphene heating wallboard of claim 1, wherein: the heating mechanism (8) further comprises a transmission assembly (83), the transmission assembly (83) comprises a first straight gear (833) and two second bevel gears (837), two second straight gears (834) are meshed with the outer side walls of the first straight gears (833), and a first bevel gear (836) is meshed with the outer side walls of the second bevel gears (837).
5. The composite graphene heating wallboard of claim 4, wherein: a transmission rod (835) is fixedly connected between the second straight gear (834) and the first bevel gear (836), a third rotating shaft (827) is fixedly connected between the second bevel gear (837) and the first rotating arm (821), and a rack (839) is meshed with the outer side wall of the first straight gear (833).
6. The composite graphene heating wallboard of claim 5, wherein: the rack (839) is fixedly connected with the side wall of the sliding frame (841), a tripod (838) is arranged above the top end of the transmission rod (835), one end of the tripod (838) is rotationally connected with the second bevel gear (837), and the other end of the tripod (838) is rotationally connected with the first bevel gear (836).
7. The composite graphene heating wallboard of claim 6, wherein: the outside of first straight gear (833) is provided with protecting crust (831), the bottom fixedly connected with base (832) of protecting crust (831), base (832) with rotate between third guide rail (842) and be connected.
8. The composite graphene heating wallboard of claim 1, wherein: the side wall of the inner wallboard (2) is provided with a heat conduction hole, a flame-retardant filling layer (4) is arranged between the inner wallboard (2) and the heating wallboard (1), and a waterproof layer (5) is arranged between the heating wallboard (1) and the outer wallboard (3).
9. The composite graphene heating wallboard of claim 1, wherein: both ends of the second rotating arm (823) are provided with movable rotating shafts (822), the first rotating arm (821) is rotatably connected with the second rotating arm (823) through the movable rotating shafts (822), and the third rotating arm (828) is rotatably connected with the second rotating arm (823) through the movable rotating shafts (822).
10. A method for processing a composite graphene heating wallboard, which is characterized by using the composite graphene heating wallboard as claimed in any one of claims 1 to 9, and comprising the following steps:
s1, uniformly mixing concentrated sulfuric acid and peracetic acid according to the volume ratio of 1:2, preparing mixed solution, weighing graphite according to the volume ratio of 1:5, and placing the graphite into a container;
s2, placing the mixed solution into a reactor, adding water and potassium permanganate, uniformly stirring, and carrying out oxidation reaction to obtain graphite oxide;
s3, dispersing the prepared graphite oxide in water, performing ultrasonic oscillation treatment, adding a reducing agent for reduction reaction, and cleaning and drying the reduced graphite by deionized water to prepare graphene;
s4, adding boron nitride powder into isopropanol solution, ultrasonically stripping the mixed solution in a container, and removing large-particle boron nitride by using a centrifuge to obtain uniform boron nitride nano-sheet isopropanol mixed solution for later use;
s5, adding the prepared graphene into polydiene dimethyl ammonium chloride solution water solution, mechanically stirring at room temperature, obtaining a black product by using a centrifuge, washing for three times by using deionized water, and centrifuging to obtain modified graphene;
s6, uniformly mixing the modified graphene and isopropanol, adding and mixing the isopropanol mixed solution of the boron nitride nanosheets under mechanical stirring, centrifuging to obtain the boron nitride-graphene composite heat conducting filler, adding a proper amount of deionized water, and freeze-drying to obtain the graphene heating plate (845).
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