CN112406477A - Air outlet of new energy vehicle - Google Patents
Air outlet of new energy vehicle Download PDFInfo
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- CN112406477A CN112406477A CN202011312548.1A CN202011312548A CN112406477A CN 112406477 A CN112406477 A CN 112406477A CN 202011312548 A CN202011312548 A CN 202011312548A CN 112406477 A CN112406477 A CN 112406477A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/194—After-treatment
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
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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
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
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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
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
- B60H2001/3492—Manufacturing; Assembling
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention belongs to the technical field of automobile accessories, and particularly relates to an air outlet of a new energy vehicle, which comprises an air outlet shell, a heating module, a clamping plate and a fan, wherein the air outlet shell is arranged at one side of the heating module, the clamping plate is arranged at the other side of the heating module, an accommodating groove is formed in the clamping plate, a circle of aluminum sheet is arranged on the inner wall of the accommodating groove, and the fan is arranged in the accommodating groove; the graphene-coated graphene heating sheet is opened to heat and raise the temperature, so that the heating speed of the temperature in the vehicle is high, the heating effect is good, the power consumption is effectively reduced, the length of the driving mileage is prolonged, the electromagnetic waves are reduced in the low-power electric heat conversion process, the interference of wireless communication equipment in the vehicle is avoided, and three major concerns of extremely high driving safety influence, large volume of heat pump type heating equipment, influence on the arrangement design of parts in the vehicle body and the like are solved.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to an air outlet of a new energy vehicle.
Background
In the past, a directly-heated heating device is arranged at an air outlet of a new energy vehicle, power consumption is too high, the length of a driving mileage is directly influenced after the vehicle is started, electromagnetic waves are easily generated in a high-power electric heat conversion process, interference on wireless communication equipment in the vehicle is indirectly or directly caused, extremely high influence is caused on driving safety, the volume of the heat-pump heating device is large, and the arrangement design of parts in the vehicle is influenced.
The silylene is a two-dimensional nano material with silicon atoms arranged in a planar honeycomb shape, and has a good two-dimensional crystal structure and electrical properties. Compared with zero-band-gap graphene, the silicon alkene has a certain forbidden band width, so that the silicon alkene has a wide application prospect in the fields of semiconductor electronic devices and optoelectronic devices. Sp of silylene2-sp3The surface of the structure is extremely sensitive, so that the chemical environment is very active, and the preparation of the silylene has strong limitation.
Graphene (Graphene) is sp2The hybridized and connected carbon atoms are tightly packed into a new material with a single-layer two-dimensional honeycomb lattice structure. The graphene has excellent optical, electrical and mechanical properties, has important application prospects in the aspects of materials science, micro-nano processing, energy, biomedicine, drug delivery and the like, and is considered to be a revolutionary material in the future.
In the prior art, a heating material is prepared by adopting a graphene-coated silicon alkene technology, and a Chinese patent CN 108975318A discloses graphene-coated silicon alkene, a preparation method and a use method thereof. The preparation method comprises the following steps: placing a metal catalytic substrate in a reaction cavity, removing a natural oxidation layer on the metal catalytic substrate to expose a metal layer, selecting a gaseous hydrocarbon carbon source as a precursor, and forming graphene on the metal layer by a chemical vapor deposition method; closing the gaseous hydrocarbon carbon source of the reaction cavity, and introducing a silicon-containing gas source and reducing gas to enable evaporated silicon atoms to epitaxially grow silicon alkene on the surface layer of the graphene; only closing the silicon-containing gas source, or simultaneously closing the silicon-containing gas source and the reducing gas, and introducing a gaseous hydrocarbon carbon source to coat carbon atoms on the surface of the silicon alkene, so as to obtain the graphene-coated silicon alkene.
Therefore, how to apply the silicon-coated graphene heating sheet to the air outlet of the new energy automobile in a large scale is a key to how to prepare the silicon-coated graphene heating sheet in a large scale.
Disclosure of Invention
The invention aims to provide an air outlet of a new energy vehicle, and aims to solve the technical problems that in the prior art, a vehicle-mounted air conditioner is not fast enough in heating speed and poor in heating effect in the use process in winter.
The invention provides an air outlet of a new energy vehicle, which comprises an air outlet shell, a heating module, a clamping plate and a fan, wherein the air outlet shell is arranged on one side of the heating module, the clamping plate is arranged on the other side of the heating module, an accommodating groove is formed in the clamping plate, a circle of aluminum sheet is arranged on the inner wall of the accommodating groove, and the fan is arranged in the accommodating groove.
The module that generates heat includes the splice box and a plurality of silicon alkene cladding graphite alkene piece that generates heat, be equipped with the baffle that a plurality of cut apart into the equal big or small holding tank with the splice box inner wall on the splice box, the baffle is two connecting plates and two extension boards, two bisymmetry sets up between extension board and two connecting plates, and is a plurality of silicon alkene cladding graphite alkene piece that generates heat sets up respectively in every holding tank.
The preparation method of the silicon-coated graphene heating sheet comprises the following steps:
the method comprises the following steps: placing a silicon powder raw material into a feeding system, wherein the silicon powder raw material is leaked from the feeding system and melted at the temperature of 800-1500 ℃ to form molten drops, and the molten drops are cooled into nano-scale silicon crystals in the falling process;
step two: placing the nanoscale silicon crystal prepared in the first step into industrial pure water, and uniformly stirring to obtain a suspension A, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale silicon crystal is (60-90): (10-40);
step three: placing nanoscale graphene into industrial pure water, uniformly stirring to obtain turbid liquid B, wherein the industrial pure water comprises the following components in parts by weight: the weight of the nano-scale graphene is (5-20): (80-95);
step four: coating the suspension A prepared in the second step on a flat-plate-shaped base material by adopting high-precision quick printing equipment, heating the flat-plate-shaped base material for the first time, and forming a layer of nano-scale silicon crystal layer on the flat-plate-shaped base material;
step five: spraying the suspension B prepared in the third step on the nanoscale silicon crystal layer in the second step by adopting high-precision rapid spraying equipment, and then heating the flat base material for the second time to form a nanoscale graphene layer on the nanoscale silicon crystal layer;
step six: introducing carbon dioxide gas into the flat base material which is prepared in the fifth step and is sequentially covered with the nano-scale silicon crystal layer and the nano-scale graphene layer, and drying for 30-60min to obtain a composite crystal film;
step seven: and (5) treating the composite crystal film prepared in the sixth step in an environment of-5-0 ℃ for 20-30min to obtain the graphene-coated graphene solid.
In some embodiments of the present invention, in the first step of the preparation method of graphene coated with silicon, the median particle diameter of the silicon powder raw material is 3 to 6 μm.
In some embodiments of the present invention, the median particle size of the nano-scale silicon crystals prepared in the first step in the preparation method of graphene coated with silicon is 100-500 nm.
In some embodiments of the present invention, in the first step of the preparation method of graphene coated with silicon, heat generated by high-temperature melting is provided by combustion of hydrogen and oxygen, and a volume ratio of the oxygen to the hydrogen is 2: 3.
in some embodiments of the present invention, the resistivity of the industrial pure water in the second step and the third step of the preparation method of the graphene-coated graphene is 20 to 30m Ω · cm.
In some embodiments of the present invention, the median particle diameter of the nanoscale graphene in the third step of the preparation method of the graphene-coated graphene is 100-500 nm.
In some embodiments of the present invention, the heating temperature of the first heating and the second heating in the fourth step and the fifth step in the preparation method of the graphene-coated graphene is 60 to 80 ℃, and the heating time is 0.5 to 1 hour.
In some embodiments of the invention, in the sixth step of the method for preparing graphene coated with silicon, the flow rate of the carbon dioxide gas is 10 to 100 sccm.
Compared with the prior art, the invention has the beneficial effects that:
one of them, at first heat the intensification through opening silicon alkene cladding graphite alkene piece that generates heat, the temperature in silicon alkene cladding graphite alkene piece that generates heat is faster is derived outside the air outlet to the cooperation of rethread aluminum sheet and fan, meanwhile, absorb the noise of silicon alkene cladding graphite alkene piece heating in-process through the aluminum sheet, reduce the noise of silicon alkene cladding graphite alkene piece that generates heat when using, later in with steam emission car through the air outlet, the operation of heating in the car, thereby the fast and effectual of heating of the temperature in the car has been realized, the inconvenience of user in the use has been avoided.
Secondly, the preparation method of the silicon-graphene-coated graphene heating sheet obtains a silicon-graphene-coated graphene material with lower production cost and higher production speed, the method can be used for rapidly generating the energy gap function of the nano-scale silicon-graphene at a low cost, a structure similar to a quantum chip is created through the combination of the superconducting property of the graphene and the energy gap function of the silicon-graphene, a heat source generated by the jumping of electrons in the energy gap is obtained through the structure and is used as a heating material with low impedance, and the process can save expensive meteorological deposition equipment and manufacturing procedures of equipment with slow production speed;
thirdly, the graphene heating sheet is coated by the silicon-graphene, so that the heating speed of the temperature in the vehicle is high, the heating effect is good, the power consumption is effectively reduced, the length of the driving mileage is prolonged, the electromagnetic wave is reduced in the low-power electric-heat conversion process, the interference of wireless communication equipment in the vehicle is avoided, the problem that the influence on the driving safety is extremely high is solved, and the heat pump type heating equipment is large in size, influences the arrangement design of parts in the vehicle body and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a heating module according to the present invention;
FIG. 3 is a schematic view of the internal structure of the clamping plate of the present invention;
FIG. 4 is a flow chart of a production process of the graphene-coated graphene heating sheet according to the present invention;
FIG. 5 shows the electromagnetic wave and the test report in the safety range of the present invention.
Reference numerals:
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, an air outlet of a new energy vehicle according to an embodiment of the present invention includes an air outlet housing 1, a heating module 2, a clamping plate 3 and a fan 4, wherein the air outlet housing 1 is disposed on one side of the heating module 2, the clamping plate 3 is disposed on the other side of the heating module 2, a containing groove is disposed on the clamping plate 3, a circle of aluminum sheet 31 is disposed on an inner wall of the containing groove, hot air in the heating module 2 can be guided out more quickly through the aluminum sheet 31, noise generated by the heating module 2 in an air outlet during a working process can be reduced and a service life of the heating module 2 can be prolonged because the aluminum sheet 31 has good corrosion resistance and a sound absorption effect, and the fan 4 is disposed in the containing groove.
The module 2 that generates heat includes that splice frame 21 and a plurality of silicon alkene cladding graphite alkene generate heat piece 22, be equipped with the baffle that a plurality of cut apart into equal big or small holding tank with splice frame 21 inner wall on the splice frame 21, the baffle is two connecting plates 22 and two extension boards 21, two bisymmetry sets up between extension board 21 and two connecting plates 22, and is a plurality of silicon alkene cladding graphite alkene generates heat piece 22 and sets up respectively in every holding tank, generates heat piece 22 through silicon alkene cladding graphite alkene and can rise fast the temperature in the air outlet and heating temperature height can make the user in the use more warm and because of the even use that makes pottery generate heat the piece of silicon alkene cladding graphite alkene heating piece 22 is more energy-conserving. In order to facilitate installation and fixation of the graphene-coated graphene heating sheet 22, the mica-coated graphene heating sheet can be made by compounding with mica, or can be made by compounding with ceramic to be a ceramic graphene-coated graphene heating sheet.
Example 1
The preparation method of the graphene-coated graphene heating sheet comprises the following steps:
the method comprises the following steps: and placing the silicon powder raw material into a feeding system, wherein the silicon powder raw material leaks out of the feeding system, is melted at the temperature of 1150 ℃ to form molten drops, and the molten drops are cooled into nano-scale silicon crystals with the median particle size of 300nm in the falling process, wherein the median particle size of the silicon powder raw material is 4.5 microns. The heat generated by high-temperature melting is provided for combustion of hydrogen and oxygen, and the volume ratio of the oxygen to the hydrogen is 2: 3.
step two: putting the nanoscale silicon crystal prepared in the first step into industrial pure water with the resistivity of 25m omega cm, and uniformly stirring to obtain a suspension A, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale silicon crystal is 90: 10.
step three: placing the nano-grade graphene with the median particle size of 100-500nm in industrial pure water with the resistivity of 20-30m omega-cm, and uniformly stirring to obtain a suspension B, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale graphene is 5: 95.
step four: and coating the suspension A prepared in the second step on a flat-plate-shaped base material by adopting high-precision quick printing equipment, heating the flat-plate-shaped base material for the first time for 45min at the temperature of 70 ℃, and forming a layer of nano-scale silicon crystal layer on the flat-plate-shaped base material.
Step five: and spraying the suspension B prepared in the third step on the nano-scale silicon crystal layer in the second step by adopting high-precision rapid spraying equipment, and then heating the flat base material for the second time for 45min at the temperature of 70 ℃ to form a layer of nano-scale graphene layer on the nano-scale silicon crystal layer.
Step six: and D, introducing carbon dioxide gas into the flat base material which is prepared in the fifth step and is sequentially covered with the nanoscale silicon crystal layer and the nanoscale graphene layer, and drying for 45min to obtain the composite crystal film, wherein the flow rate of the carbon dioxide gas is 55 sccm.
Step seven: and (5) treating the composite crystal film prepared in the sixth step in a-4 ℃ environment for 25min to obtain the graphene-coated graphene heating sheet.
Example 2
The preparation method of the graphene-coated graphene heating sheet comprises the following steps:
the method comprises the following steps: and placing the silicon powder raw material into a feeding system, wherein the silicon powder raw material leaks out of the feeding system and is melted at the temperature of 800 ℃ to form molten drops, and the molten drops are cooled into the nano-scale silicon crystals with the median particle size of 100nm in the falling process, wherein the median particle size of the silicon powder raw material is 3 microns. The heat generated by high-temperature melting is provided for combustion of hydrogen and oxygen, and the volume ratio of the oxygen to the hydrogen is 2: 3.
step two: placing the nanoscale silicon crystal prepared in the first step into industrial pure water with the resistivity of 20m omega cm, and uniformly stirring to obtain a suspension A, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale silicon crystal is 60: 40.
step three: placing nanoscale graphene with the median particle size of 100nm into industrial pure water with the resistivity of 20m omega cm, and uniformly stirring to obtain a suspension B, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale graphene is 20: 80.
step four: and coating the suspension A prepared in the second step on a flat-plate-shaped base material by adopting high-precision quick printing equipment, heating the flat-plate-shaped base material for the first time for 0.5h at the temperature of 60-80 ℃, and forming a layer of nano-scale silicon crystal layer on the flat-plate-shaped base material.
Step five: and spraying the suspension B prepared in the third step on the nanoscale silicon crystal layer in the second step by adopting high-precision rapid spraying equipment, and then heating the flat base material for the second time for 0.5h at the temperature of 60 ℃ to form a layer of nanoscale graphene layer on the nanoscale silicon crystal layer.
Step six: and D, introducing carbon dioxide gas into the flat base material which is prepared in the step five and sequentially covered with the nanoscale silicon crystal layer and the nanoscale graphene layer, and drying for 30min to obtain the composite crystal film, wherein the flow rate of the carbon dioxide gas is 10 sccm.
Step seven: and (5) treating the composite crystal film prepared in the sixth step in an environment of-5 ℃ for 20min to obtain the graphene-coated graphene heating sheet.
Example 3
The preparation method of the graphene-coated graphene heating sheet comprises the following steps:
the method comprises the following steps: and placing the silicon powder raw material into a feeding system, wherein the silicon powder raw material leaks out of the feeding system, is melted at the temperature of 1500 ℃ to form molten drops, and the molten drops are cooled into the nano-scale silicon crystals with the median particle size of 500nm in the falling process, wherein the median particle size of the silicon powder raw material is 6 microns. The heat generated by high-temperature melting is provided for combustion of hydrogen and oxygen, and the volume ratio of the oxygen to the hydrogen is 2: 3.
step two: placing the nanoscale silicon crystal prepared in the first step into industrial pure water with the resistivity of 30m omega cm, and uniformly stirring to obtain a suspension A, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale silicon crystal is 70: 30.
step three: placing nano-grade graphene with the median particle size of 500nm into industrial pure water with the resistivity of 30m omega cm, and uniformly stirring to obtain a suspension B, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale graphene is 10: 90.
step four: and coating the suspension A prepared in the second step on a flat-plate-shaped base material by adopting high-precision quick printing equipment, heating the flat-plate-shaped base material for the first time at the temperature of 80 ℃ for 1h, and forming a layer of nano-scale silicon crystal layer on the flat-plate-shaped base material.
Step five: and spraying the suspension B prepared in the third step on the nanoscale silicon crystal layer in the second step by adopting high-precision rapid spraying equipment, and then heating the flat base material for 1h at the temperature of 80 ℃ for the second time to form a layer of nanoscale graphene layer on the nanoscale silicon crystal layer.
Step six: and D, introducing carbon dioxide gas into the flat base material which is prepared in the step five and sequentially covered with the nanoscale silicon crystal layer and the nanoscale graphene layer, and drying for 60min to obtain the composite crystal film, wherein the flow rate of the carbon dioxide gas is 100 sccm.
Step seven: and (5) placing the composite crystal film prepared in the sixth step in an environment of 0 ℃ for treatment for 30min to obtain the graphene-coated graphene heating sheet of the embodiment.
Example 4
The preparation method of the graphene-coated graphene heating sheet comprises the following steps:
the method comprises the following steps: and placing the silicon powder raw material into a feeding system, wherein the silicon powder raw material leaks out of the feeding system and is melted at the temperature of 1000 ℃ to form molten drops, and the molten drops are cooled into nano-scale silicon crystals with the median particle size of 200nm in the falling process, wherein the median particle size of the silicon powder raw material is 4 microns. The heat generated by high-temperature melting is provided for combustion of hydrogen and oxygen, and the volume ratio of the oxygen to the hydrogen is 2: 3.
step two: placing the nanoscale silicon crystal prepared in the first step into industrial pure water with the resistivity of 22m omega cm, and uniformly stirring to obtain a suspension A, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale silicon crystal is 80: 20.
step three: placing nano-grade graphene with the median particle size of 200nm into industrial pure water with the resistivity of 22m omega-cm, and uniformly stirring to obtain a suspension B, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale graphene is 7: 93.
step four: and coating the suspension A prepared in the second step on a flat-plate-shaped base material by adopting high-precision quick printing equipment, heating the flat-plate-shaped base material for the first time at the temperature of 65 ℃ for 1h, and forming a layer of nano-scale silicon crystal layer on the flat-plate-shaped base material.
Step five: and spraying the suspension B prepared in the third step on the nanoscale silicon crystal layer in the second step by adopting high-precision rapid spraying equipment, and then heating the flat base material for 1h at the temperature of 65 ℃ for the second time to form a layer of nanoscale graphene layer on the nanoscale silicon crystal layer.
Step six: and D, introducing carbon dioxide gas into the flat base material which is prepared in the step five and sequentially covered with the nanoscale silicon crystal layer and the nanoscale graphene layer, and drying for 40min to obtain the composite crystal film, wherein the flow rate of the carbon dioxide gas is 75 sccm.
Step seven: and (5) placing the composite crystal film prepared in the sixth step in an environment of-3 ℃ for treatment for 22min to obtain the graphene-coated graphene heating sheet of the embodiment.
Test examples
Taking the silicon-coated graphene heating sheet prepared in the embodiments 1 to 4 with the same shape and the same mass, a ptc ceramic heating sheet (comparative example 1) commercially available on the market and a graphene heating sheet (comparative example 2), heating the heating sheet to 250 ℃, and measuring the impedance value, wherein the specific data are shown in table 1:
TABLE 1 impedance values of different heating sheets
The graphene-coated graphene heating sheet prepared in the embodiment 1 is used for a new energy automobile air outlet, the heating condition of the sheet is shown in table 2, and the heating payment of the existing new energy automobile air outlet is shown in table 3:
table 2 test results of heating conditions of air outlets of new energy vehicles in embodiment 1
Table 3 existing new energy automobile air outlet heating condition test result
From the above table, the following conclusions can be drawn:
1. the test time of the existing new energy automobile air outlet is 21min, the highest temperature of the heating sheet is 187 ℃, the highest temperature of the aluminum sheet is 190 ℃, the lowest temperature of the air outlet is 77 ℃, the highest temperature is 81 ℃ and the average power is 475W, while the highest temperature of the heating sheet of the new energy automobile air outlet of the embodiment 1 is 171 ℃, the lowest temperature of the air outlet is 70 ℃, the highest temperature is 90 ℃, the average power is 138W, the power consumption is less than one third of that of the existing new energy automobile air outlet, the highest temperature can reach 90 ℃, the power consumption is not increased, and the electricity saving effect is obvious.
2. With the combination of the attached figure 5, the graphene heating sheet is coated by the silicon alkene, so that the heating speed of the temperature in the vehicle is high, the heating effect is good, the power consumption is effectively reduced, the length of the driving mileage is prolonged, the electromagnetic wave is reduced in the low-power electric heat conversion process, the interference of wireless communication equipment in the vehicle is avoided, the problem that the influence on the driving safety is extremely high is solved, the volume of heat pump type heating equipment is large, the arrangement design of parts in the vehicle is influenced, and the like is three major concerns.
The working principle of the invention is as follows: at first, heating and warming up is carried out through opening silicon alkene cladding graphite alkene piece 22 that generates heat, the temperature in the pottery piece that generates heat is faster is derived outside the air outlet to rethread aluminum sheet 31 and fan 4's cooperation, meanwhile, absorb the noise of silicon alkene cladding graphite alkene piece 22 heating process through aluminum sheet 31, reduce the noise of silicon alkene cladding graphite alkene piece 22 when using that generates heat, later in with steam vehicle discharging through the air outlet, the interior operation of heating up of vehicle, thereby the fast and effectual of heating up of the interior temperature of vehicle has been realized, the inconvenience of user in the use has been avoided, and it is more energy-conserving.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. Air outlet of new forms of energy car, its characterized in that: including air outlet shell (1), the module that generates heat (2), joint board (3) and fan (4), air outlet shell (1) sets up in the one side of the module that generates heat (2), joint board (3) set up the opposite side at the module that generates heat (2), the groove has been accomodate to the dress seted up on joint board (3), it is equipped with round aluminum sheet (31) on the inslot wall to accomodate the dress, fan (4) set up and accomodate the inslot at the dress.
2. The air outlet of the new energy vehicle as claimed in claim 1, wherein: generate heat module (2) including splice frame (21) and a plurality of silicon alkene cladding graphite alkene piece (22) that generate heat, be equipped with the baffle that a plurality of cut apart into equal big or small holding tank with splice frame (21) inner wall on splice frame (21), the baffle is two connecting plates (22) and two extension boards (21), two bisymmetry sets up between extension board (21) and two connecting plates (22), and is a plurality of silicon alkene cladding graphite alkene generates heat piece (22) and sets up respectively in every holding tank.
3. The air outlet of the new energy vehicle as claimed in claim 1, wherein: the preparation method of the graphene-coated graphene heating sheet (22) comprises the following steps:
the method comprises the following steps: placing a silicon powder raw material into a feeding system, wherein the silicon powder raw material is leaked from the feeding system and melted at the temperature of 800-1500 ℃ to form molten drops, and the molten drops are cooled into nano-scale silicon crystals in the falling process;
step two: placing the nanoscale silicon crystal prepared in the first step into industrial pure water, and uniformly stirring to obtain a suspension A, wherein the weight of the industrial pure water is as follows: the weight of the nano-scale silicon crystal is (60-90): (10-40);
step three: placing nanoscale graphene into industrial pure water, uniformly stirring to obtain turbid liquid B, wherein the industrial pure water comprises the following components in parts by weight: the weight of the nano-scale graphene is (5-20): (80-95);
step four: coating the suspension A prepared in the second step on a flat-plate-shaped base material by adopting high-precision quick printing equipment, heating the flat-plate-shaped base material for the first time, and forming a layer of nano-scale silicon crystal layer on the flat-plate-shaped base material;
step five: spraying the suspension B prepared in the third step on the nanoscale silicon crystal layer in the second step by adopting high-precision rapid spraying equipment, and then heating the flat base material for the second time to form a nanoscale graphene layer on the nanoscale silicon crystal layer;
step six: introducing carbon dioxide gas into the flat base material which is prepared in the fifth step and is sequentially covered with the nano-scale silicon crystal layer and the nano-scale graphene layer, and drying for 30-60min to obtain a composite crystal film;
step seven: and (5) treating the composite crystal film prepared in the sixth step in an environment of-5-0 ℃ for 20-30min to obtain the graphene-coated graphene solid.
4. The air outlet of the new energy vehicle as claimed in claim 3, characterized in that: the method is characterized in that: the median particle diameter of the silicon powder raw material in the first step is 3-6 μm.
5. The air outlet of the new energy vehicle as claimed in claim 3, characterized in that: the median particle size of the nano-scale silicon crystal prepared in the first step is 100-500 nm.
6. The air outlet of the new energy vehicle as claimed in claim 3, characterized in that: the heat generated by high-temperature melting in the first step is provided for combustion of hydrogen and oxygen, and the volume ratio of the oxygen to the hydrogen is 2: 3.
7. the air outlet of the new energy vehicle as claimed in claim 3, characterized in that: the resistivity of the industrial pure water in the second step and the third step is 20-30m omega cm.
8. The air outlet of the new energy vehicle as claimed in claim 3, characterized in that: the median particle size of the nano-scale graphene in the third step is 100-500 nm.
9. The air outlet of the new energy vehicle as claimed in claim 3, characterized in that: the heating temperature of the first heating and the second heating in the fourth step and the fifth step is 60-80 ℃, and the heating time is 0.5-1 h.
10. The air outlet of the new energy vehicle as claimed in claim 3, characterized in that: in the sixth step, the flow rate of the carbon dioxide gas is 10-100 sccm.
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| CN2188047Y (en) * | 1994-04-13 | 1995-01-25 | 石家庄华通经济技术开发研究所 | Dual-purpose silencing and heating machine for car |
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