CN111586909A - Deicing and demisting film and preparation method thereof - Google Patents
Deicing and demisting film and preparation method thereof Download PDFInfo
- Publication number
- CN111586909A CN111586909A CN202010386769.7A CN202010386769A CN111586909A CN 111586909 A CN111586909 A CN 111586909A CN 202010386769 A CN202010386769 A CN 202010386769A CN 111586909 A CN111586909 A CN 111586909A
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- film
- silver paste
- deicing
- conductive silver
- nano silver
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- 238000002360 preparation method Methods 0.000 title claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229920002799 BoPET Polymers 0.000 claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 14
- 238000005245 sintering Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 21
- 230000008014 freezing Effects 0.000 abstract description 9
- 238000007710 freezing Methods 0.000 abstract description 9
- 229910052709 silver Inorganic materials 0.000 abstract description 7
- 239000004332 silver Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 10
- 238000002834 transmittance Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000005118 spray pyrolysis Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Images
Classifications
-
- 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
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
-
- 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
- H05B3/02—Details
-
- 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
- H05B3/02—Details
- H05B3/03—Electrodes
-
- 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—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating 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
Landscapes
- Laminated Bodies (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses an ice-removing and demisting film, which comprises a PET film; the imprinting optical cement is arranged at one end of the PET film and is provided with a groove; the nano silver ink is contained in the groove and is solidified to form nano silver; the conductive silver paste is symmetrically poured at the edge of the film and is electrically connected with the nano silver; the conducting wire is fixed on the conductive silver paste and is electrically connected with the conductive silver paste; above-mentioned deicing defogging film, behind the switch-on DC power supply, the nanometer silver line on the film turns into heat energy with the electric energy fast, makes film and its adnexed glass portion article generate heat rapidly, and the adnexed temperature in glass part surface is higher than ambient temperature all the time, also is greater than the freezing point of zero degree exactly, so the surface of glass part just can realize not freezing frosting, the fog of not having, this application simple structure moreover, low cost, deicing defogging is effectual.
Description
Technical Field
The invention relates to the technical field of products and methods for deicing and demisting of a screen of an intelligent device, in particular to a deicing and demisting film and a preparation method thereof.
Background
Under the environment change condition of outdoor temperature and humidity, the phenomena of fogging, icing and the like can occur on products or electronic equipment with glass components; the recognition effect of shooting and vision can be influenced, and serious people can cause safety accidents such as driving failure, shooting failure and falling. At present, in the industry, for equipment or products with infrared ray filtering and glass product parts, methods of adding a defrosting circuit, opening air holes, filling nitrogen, adding a fan, releasing a drying agent and the like are generally adopted; for the outside of the equipment, a windshield wiper is usually added on the protective cover, and the glass is cleaned by controlling the windshield wiper or a invisible windshield wiper window glass is used. Some effects of the methods are not ideal, the energy consumption of the defrosting circuit is large, and the use cost is increased; the waterproof and dustproof device is added when the air hole is opened, and the moisture cannot be prevented from entering; the requirement on the sealing effect of the equipment is too high when nitrogen is filled; the fan and the drying agent have too slow demisting effect and can not be used for deicing; the use of a wiper not only affects the monitoring effect, but also greatly increases the manufacturing cost.
Disclosure of Invention
Therefore, the deicing and demisting film which is simple in structure, low in cost and good in deicing and demisting effects and the preparation method thereof are needed to be provided.
An ice-removing and demisting film comprises
A PET film;
the imprinting optical cement is arranged at one end of the PET film and is provided with a groove;
the nano silver ink is contained in the groove and is solidified to form nano silver;
the conductive silver paste is symmetrically poured at the edge of the film and is electrically connected with the nano silver;
and the conducting wire is fixed on the conductive silver paste and electrically connected with the conductive silver paste.
In one embodiment, the color of the PET film includes at least one of white or black or dark red or coffee.
In one of the embodiments, the number of the grooves is 5 in one of the embodiments.
In one embodiment, the grooves are formed by stamping of a stamp.
Above-mentioned deicing defogging film, behind the switch-on DC power supply, the nanometer silver line on the film turns into heat energy with the electric energy fast, makes film and its adnexed glass portion article generate heat rapidly, and the adnexed temperature in glass part surface is higher than ambient temperature all the time, also is greater than the freezing point of zero degree exactly, so the surface of glass part just can realize not freezing frosting, the fog of not having, this application simple structure moreover, low cost, deicing defogging is effectual.
A method for preparing an ice-removing and demisting film,
s1, coating a layer of the imprinting optical cement on the PET film;
s2, pressing and molding the stamping optical cement through a pressing die;
s3, coating nano-silver ink on the stamping optical adhesive in a scraping mode;
s4, solidifying and molding the nano silver ink through sintering to form nano silver;
s5, pouring symmetrical electrode conductive silver paste on the edge of the PET film to enable the PET film to be electrically connected with the nano silver;
s6, adding a lead on the symmetrical electrode conductive silver paste;
and S7, curing and molding the symmetrical electrode conductive silver paste.
In one embodiment, the conductive silver paste of the symmetrical electrode is cured and molded through a sintering process.
In one embodiment, the sintering temperature is between 80 and 120 ℃, and the sintering time is 1 to 2 hours.
According to the preparation method of the deicing and demisting film, the deicing and demisting effect can be achieved when the heating power of the film obtained by the method is only 1.5W, although the power is low, the film has high thermal efficiency, and can rapidly heat glass parts, so that ice attached to the surfaces of the glass parts is rapidly dissolved and evaporated, and fog is rapidly dissipated; moreover, the light transmittance is as high as more than 90 percent and is less than 0.1 ohm square resistance, the monitoring effect cannot be influenced by the ultrahigh light transmittance, and the high definition is kept; the film has high flexibility and wide application range.
Drawings
FIG. 1 is a schematic view of an installation structure of an ice-removing and defogging film according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an ice-removing and defogging film according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in FIGS. 1 and 2, an ice-removing and defogging film comprises
A PET film 100;
the imprinting optical cement 200 is arranged at one end of the PET film 100, and the imprinting optical cement 200 is provided with a groove 210; the number of the grooves 210 is at least one, and the grooves are formed by stamping of a pressing die; in this embodiment, the number of the grooves 210 is 5.
The nano silver ink is accommodated in the groove 210 and is cured to form nano silver 300;
the conductive silver paste 400 is symmetrically poured at the edge of the film and is electrically connected with the nano silver 300; the conductive silver pastes 400 are symmetrically poured at two ends of the whole film respectively and extend onto the nano silver 300 along the edge of the imprinting optical adhesive 200;
and a conductive wire 500 fixed on the conductive silver paste 400 and electrically connected to the conductive silver paste 400. Two wires 500 are used to be respectively mounted on the conductive silver paste 400 and then cured. The other two ends of the wire 500 are connected to the positive and negative electrodes of the power supply device. In one embodiment, the conductive lines 500 are copper conductive lines.
When installing, with the one side of film PET film 100 or the one side of impression optical cement 200, install on smart machine's glass 700 through optical cement 600, after switch-on DC power supply, wire 500 conveys the electric energy to nanometer silver 300 through electrically conductive silver thick liquid 400 on, nanometer silver 300 on the film turns into heat energy with the electric energy fast, make film and its adnexed glass portion article generate heat rapidly, glass part surface adhesion's temperature is higher than ambient temperature all the time, also be greater than zero degree's freezing point, so glass part's surface just can realize not freezing frosting, the fog.
It can be understood that the heating temperature of the film is only slightly higher than zero, so that the film can be used for a long time without damage, the high temperature resistance of the film can reach 85 ℃, and the service life of the film is far longer than that of an internal electronic component under the condition that the temperature is not higher than 85 ℃.
Like this, an deicing defogging film, after switch on DC power supply, nanometer silver 300 on the film turns into heat energy with the electric energy fast, makes film and its adnexed glass portion article generate heat rapidly, and the adnexed temperature in glass part surface is higher than ambient temperature all the time, also is greater than the freezing point of zero degree exactly, so the surface of glass part just can realize not freezing frosting, the fog of not freezing, this application simple structure moreover, low cost, deicing defogging is effectual.
In one embodiment, the color of the PET film 100 includes at least one of white or black or dark red or coffee.
The PET film 100 is a base material, can be different according to different application occasions and can realize different functions, the selection surface is divided into two types, and the first PET film 100 is transparent and is mainly applied to the fields of conventional vehicle window glass, monitoring cameras and the like; the second type is non-transparent, the surface color is generally white, black, dark red or coffee color, and the like, and the PC (polycarbonate) is usually selected to be capable of transmitting infrared light, has strong penetration anti-interference capability and shielding property on visible light and strong light, and is mainly applied to the fields of infrared windows, infrared camera shooting, infrared touch control, infrared monitoring, infrared thermal imaging, infrared induction, intelligent household robots, security and the like. According to different application scenes, the transparent or opaque PET film 100 can be selected and used, and different colors can be selected for the opaque PET film 100. The applicability of the deicing and demisting film is wider.
A method for preparing an ice-removing and demisting film,
s1, coating a layer of the imprinting optical cement 200 on the PET film 100;
s2, performing impression forming on the impression optical cement 200 through a pressing die; forming a groove 210 for accommodating nano silver ink;
s3, coating nano-silver ink on the stamping optical cement 200 in a scraping mode;
s4, solidifying and molding the nano silver ink by sintering to form nano silver 300;
s5, pouring symmetrical electrode conductive silver paste 400 at the edge of the PET film 100 to enable the symmetrical electrode conductive silver paste to be electrically connected with the nano silver 300;
s6, adding a lead 500 on the symmetrical electrode conductive silver paste 400;
and S7, curing and molding the symmetrical electrode conductive silver paste 400.
According to the preparation method of the deicing and demisting film, the deicing and demisting effect can be achieved when the heating power of the film obtained by the method is only 1.5W, although the power is low, the film has high thermal efficiency, and can rapidly heat glass parts, so that ice attached to the surfaces of the glass parts is rapidly dissolved and evaporated, and fog is rapidly dissipated; moreover, the light transmittance is as high as more than 90 percent and is less than 0.1 ohm square resistance, the monitoring effect cannot be influenced by the ultrahigh light transmittance, and the high definition is kept; the film has high flexibility and wide application range.
It is understood that the ITO conductive film of the prior art is physically or chemically deposited on the surface of the substrate (generally, several methods such as 1 magnetron sputtering method, 2 Chemical Vapor Deposition (CVD) method, 3 spray pyrolysis method, 4 sol-gel method, 5 hydrothermal method, etc.) are used. The base material is generally glass, for example, the film is prepared by a low-temperature sputtering process, the base can also be made of polymeric materials such as plastics, and the thermal expansion coefficient of the base has a great influence on the property of the film, so the matching problem of the thermal expansion coefficients of the base and the film needs to be considered when the base is selected.
As shown in Table 1, the light transmittance of the conventional ITO film is 85%, and the consistency of the light transmittance and the resolution ratio of the ITO film is unstable due to the influence of the thermal expansion coefficient of the substrate of the ITO film, while the light transmittance of the deicing and demisting film formed by the method is more than 90%, and the deicing and demisting film has the advantages of high consistency, simple manufacturing process, environmental protection, low cost and the like.
ITO film and deicing defogging film luminousness contrast table
TABLE 1
In one embodiment, the symmetric electrode conductive silver paste 400 is cured and formed by a sintering process.
In one embodiment, the sintering temperature of the conductive silver paste 400 is between 80 ℃ and 120 ℃, and the sintering time is 1 to 2 hours.
When sintering conductive silver paste 400, need strict control sintering temperature and sintering time, if sintering temperature is too high or the time overlength causes the damage to the film easily, if sintering temperature is too low or sintering time is too short then cause conductive silver paste 400 can't solidify easily, so with sintering temperature and time control in certain extent, the sintering work of conductive silver paste 400 that can be better completion. The normal operation of the subsequent process is ensured, and the quality of the film is ensured.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. An ice-removing demisting film is characterized in that: comprises that
A PET film;
the imprinting optical cement is arranged at one end of the PET film and is provided with a groove;
the nano silver ink is contained in the groove and is solidified to form nano silver;
the conductive silver paste is symmetrically poured at the edge of the film and is electrically connected with the nano silver;
and the conducting wire is fixed on the conductive silver paste and electrically connected with the conductive silver paste.
2. An deicing defogging film as set forth in claim 1, wherein: the color of the PET film comprises at least one of white or black or dark red or coffee.
3. An deicing defogging film as set forth in claim 1, wherein: the conducting wire is a copper conducting wire.
4. An deicing defogging film as set forth in claim 1, wherein: the number of the grooves is 5.
5. An deicing defogging film as set forth in claim 1, wherein: the grooves are formed by stamping of a stamp.
6. A preparation method of an ice-removing and demisting film is characterized by comprising the following steps:
s1, coating a layer of the imprinting optical cement on the PET film;
s2, pressing and molding the stamping optical cement through a pressing die;
s3, coating nano-silver ink on the stamping optical adhesive in a scraping mode;
s4, solidifying and molding the nano silver ink through sintering to form nano silver;
s5, pouring symmetrical electrode conductive silver paste on the edge of the PET film to enable the PET film to be electrically connected with the nano silver;
s6, adding a lead on the symmetrical electrode conductive silver paste;
and S7, curing and molding the symmetrical electrode conductive silver paste.
7. The method for preparing an deicing demisting film as set forth in claim 6, wherein: and curing and molding the conductive silver paste of the symmetrical electrode by a sintering process.
8. The method for preparing an deicing demisting film as set forth in claim 7, wherein: the sintering temperature is between 80 and 120 ℃, and the sintering time is 1 to 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010386769.7A CN111586909A (en) | 2020-05-09 | 2020-05-09 | Deicing and demisting film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010386769.7A CN111586909A (en) | 2020-05-09 | 2020-05-09 | Deicing and demisting film and preparation method thereof |
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| CN111586909A true CN111586909A (en) | 2020-08-25 |
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| CN202010386769.7A Pending CN111586909A (en) | 2020-05-09 | 2020-05-09 | Deicing and demisting film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281828A (en) * | 2021-05-28 | 2021-08-20 | 福建富兰光学股份有限公司 | Laser radar composite window and preparation process thereof |
| CN114877289A (en) * | 2022-06-13 | 2022-08-09 | 连云港杰瑞电子有限公司 | Car light anti-atomization system |
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| CN110993150A (en) * | 2019-11-26 | 2020-04-10 | 天津宝兴威科技股份有限公司 | Transparent conductive film containing nano silver wire and preparation method thereof |
| CN211880653U (en) * | 2020-05-09 | 2020-11-06 | 惠州市沃瑞科技有限公司 | Deicing defogging film |
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2020
- 2020-05-09 CN CN202010386769.7A patent/CN111586909A/en active Pending
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| CN114877289A (en) * | 2022-06-13 | 2022-08-09 | 连云港杰瑞电子有限公司 | Car light anti-atomization system |
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