CN101150893A - A making method for electric heating film - Google Patents
A making method for electric heating film Download PDFInfo
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- CN101150893A CN101150893A CNA2007100504821A CN200710050482A CN101150893A CN 101150893 A CN101150893 A CN 101150893A CN A2007100504821 A CNA2007100504821 A CN A2007100504821A CN 200710050482 A CN200710050482 A CN 200710050482A CN 101150893 A CN101150893 A CN 101150893A
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Abstract
A method for prepairing the electric heating film, belongs to the method for prepairing the electric heating material, especially relates to a method for prepairing of the electric heating film. The method includes steps: the reference resistance and work voltage of the aim products are ascertained, the cubic block resistance of the electric heating coat material used for the aim products is ascertained, the initial work current of the aim products and the cubic block electric heating film thereof are calculated respectively and the number of the cubic block electric heating film is calculated; the computer plane design of the electroconductive wiring and the electric heating coat is completed, and the film plate making is sent out; the electric heating film sheet is prepaired by screen printing and thermal treatment. The method is currently and compact, which is convenient to adopt various electric heating coat material, is convenient to extend the work voltage from the low voltage to the high voltage.
Description
Technical field
The invention belongs to the preparation method of thermo electric material, particularly a kind of preparation method of Electric radiant Heating Film.
Background technology
When using the electro-thermal coatings material to make polymer electric heating membrane (sheet, plate), in preparation process, run into several difficulties through regular meeting by silk screen printing.The first is how according to the specification requirement of product (resistance, overall size and connect electric position), design conductive network figure; It two is how to come standard design and manufacturing process according to the technical parameter (square resistance or the resistance of title side) of employed electro-thermal coatings material, prints electro-thermal coatings.It three is the puzzlements that how bring in the face of the high voltage of civil power (220-230 volt).Significant period of time is not also broken away from the needs that use power transformer, and this point has brought very big restriction for the research and development and the production of new product.
At first be the blindness of design process.In actual implementation process, that better handles is according to the overall size of product requirement and connects electric position design.Requirement for product resistance then can only rely on test of many times to come near desired technical indicator, and the blindness of design is very big.
Next is the blindness of manufacture process.This blindness comes from design and rational to the departing from of actual manufacturing, and comes from the understanding deficiency to the electro-thermal coatings material.If use the electro-thermal coatings material of autogamy then is by increase and decrease conduction component, adjusts the specification requirement that prescription satisfies product one after another.When the electro-thermal coatings material that uses from market purchasing, the reference of its technical indicator during only as buying.The technical indicator of also not accomplishing the electricity consumption coated material leads design and manufacturing work.
When people use low-voltage heating product, want for a long time on low-tension supply, using to such an extent that good electric heating products popularization is used in the daily life of oneself.To be converted to high voltage from low-voltage, from safe voltage be converted to civil power (220-230 volt) be not one smoothly with process easily.At least must be equipped with a heavy power transformer, extremely inconvenient, expensive again.This has just hindered polymer electric heating membrane (sheet, plate) technology applies in a wider context, has hindered people and has realized the reasonable demand and good hope of oneself.
Summary of the invention
The purpose of this invention is to provide the side resistance that utilizes the electro-thermal coatings material and prepare the method for Electric radiant Heating Film (former is not promptly installed the Electric radiant Heating Film heating plate of receiving electrode) according to the external behavior of target product and bulk properties.
The present invention recommends a kind of preparation method of Electric radiant Heating Film, and it comprises following some steps:
1, determines that the execution target maybe needs the technical indicator and the quantity thereof of finishing the work.In this project, they are the reference resistance and the operating voltage of target product.Use I=U/R
GinsengCalculate initial (work) electric current I of this product.
2, according to the side's resistance of the electro-thermal coatings material that is used for target product and the operating voltage of this product, use I=U/R
The sideCalculate initial (work) electric current I of square Electric radiant Heating Film '.
3, calculate the quantity n that target product need be used the square Electric radiant Heating Film, n=I/I ', and with this benchmark as the design object product.
4, layout connects electric position in the overall size scope of target product; Respectively draw a conducting wire from connecing electric the two poles of the earth, it is staggered to be parallel to each other each other, like two hair combs that intert mutually, purchases into conductive network; Wherein the length of conducting wire is w, and the spacing of conducting wire is L, and (1) as L＞w, n=L/w, and (1) as L＜w, n=w/L; Finish Computer Plane Design, send film sheet and use for plate-making.
5, in the overall size scope of target product, fill the black of representing the electro-thermal coatings material, finish Computer Plane Design, send film sheet and use for plate-making.The attention size is successively decreased, and target product is slightly less than companion's heat target, and conductive network is slightly less than target product, and the filling scope of electro-thermal coatings is slightly less than conductive network.
6, on screen process press, be substrate with high performance heat resistant film (sheet, plate), print the conducting wire (network) of the 4th section of design with conductive silver paste, and heat-treat.
7, on screen process press, be substrate with the 6th section of silver-colored lodicule that produces, the electricity consumption coated material is printed the electro-thermal coatings of the 5th section of design, and heat-treats.
8, measure the trial product that obtains in the 7th section of trial-manufacturing process, compare with the 1st section of technical indicator of determining.If do not meet each other, then get back to the 4th, 5 section and revise design, suitably adjust the quantity (n) that needs with the square Electric radiant Heating Film, repeat the 6th, 7 section preparation process, meet the 1st section of technical indicator of determining up to the determination techniques parameter.
Above-mentioned technical step has been given prominence to a key in the technical concept.Core problem is how to be familiar with and to make good use of electro-thermal coatings material and side's resistance thereof of formation Electric radiant Heating Film.Usually among the user of electrically-conducting paint, what make printed substrate person care is conduction.And conduction is not have understanding to electric conducting material, the difficulty of design and use.What make that the electric heating products person is concerned about is the heat of giving birth to after the conduction.And electro-thermal coatings material and side's resistance thereof just must more be familiar with in the conversion of GPRS electric heating.But,, and do not possess difficulty that the condition of testing the resistance of electro-thermal coatings material side has then increased this one side to the understanding deficiency of electro-thermal coatings material and side's resistance thereof.And the present invention rationally and has effectively utilized this important square resistance of electro-thermal coatings material or this physical characteristic of title side's resistance just.Square resistance or the resistance of title side are borrowed from Semiconductor Physics.Providing its resistance R value for the square-section when analyzing the physical property of PN junction thin layer is:
R＝ρ×L/(w×δ)
Wherein: ρ is a resistivity of material; L, w, δ are respectively the length of material, wide and thickness.
Arrangement following formula: R=(ρ/δ) * (L/w)
When the length of material equates with width, that is: L=w.Then have: R=(ρ/δ).This moment R=(ρ/δ) is that R (side's resistance)=(ρ/δ) then has material resistance R=n (ρ/δ).Note that the size that does not limit L or w here.
This is the common and succinct technical scheme of a cover.Benefit is to have overcome above-mentioned some difficulties, by the quantity of increase and decrease n, can use the electro-thermal coatings material of difference side's resistance; Quantity by increase and decrease n can expand to high voltage to operating voltage from low-voltage easily; In use casted off simultaneously heavy power transformer again once and for all.Everything will be cleared away the obstacles for the fast development that promotes emerging Electric radiant Heating Film (sheet, plate) industry.
Embodiment
Embodiment 1
The preparation method of automobile rearview mirror heating pleurodiaphragmatic in terspace sheet determines that at first the reference resistance and the operating voltage of automobile rearview mirror heating diaphragm is respectively 8 ohm and 12 volts, and side's resistance of used electro-thermal coatings material is 6 kilo-ohms.Initial (work) electric current of calculating target product in view of the above is 1.5 amperes, and initial (work) electric current of square Electric radiant Heating Film is 2 milliamperes.According to top two quantity n=750 that current data is calculated the square Electric radiant Heating Film.Based on this, arrange in the overall size of target product to connect electric position that respectively draw a conducting wire from connecing electric the two poles of the earth, it is staggered to be parallel to each other each other, like two hair combs that intert mutually, purchases into conductive network.Get L=2mm, w=1500mm promptly is n=w/L=750.Finish the design and the plate-making of output film sheet of conducting wire and electro-thermal coatings.On polyester film,, successively finish the making of conducting wire and electro-thermal coatings, more after tested and debugging repeatedly, obtain needed automobile rearview mirror heating pleurodiaphragmatic in terspace sheet through silk screen printing and 120 ℃ of heat treatment 20 minutes.
Embodiment 2
Electrothermal shoes electric heating pleurodiaphragmatic in terspace piece preparation method determines that at first electrothermal shoes electrothermal film reference resistance and operating voltage are respectively 8 kilo-ohms and 220 volts, and side's resistance of used electro-thermal coatings material is 20 kilo-ohms.Initial (work) electric current of calculating target product in view of the above is 27.5 milliamperes, and initial (work) electric current of square Electric radiant Heating Film is 11 milliamperes.According to top two quantity n=2.5 that current data is calculated the square Electric radiant Heating Film.Based on this, on rectangular base, arrange two conducting wires that are parallel to each other each other.Get L=60mm, w=150mm promptly is n=w/L=2.5.Finish the design and the plate-making of output film sheet of conducting wire and electro-thermal coatings.On polyester film,, successively finish the making of conducting wire and electro-thermal coatings, more after tested and debugging repeatedly, obtain needed electrothermal shoes electric heating pleurodiaphragmatic in terspace sheet through silk screen printing and 120 ℃ of heat treatment 20 minutes.
Claims (1)
1. the preparation method of an Electric radiant Heating Film is characterized in that comprising the steps:
A, the reference resistance of determining target product and operating voltage.Calculate the initial operating current I of this product.
B, according to the side resistance of the electro-thermal coatings material that is used for target product and the operating voltage of this product, the initial operating current I ' that calculates the square Electric radiant Heating Film.
C, calculating target product need be used the quantity n of square Electric radiant Heating Film, n=I/I ', and with this benchmark as the design object product.
D, in the overall size scope of target product, arrange and connect electric position; Respectively draw a conducting wire from connecing electric the two poles of the earth, it is staggered to be parallel to each other each other, constitutes conductive network; Wherein the length of conducting wire is w, and the spacing of conducting wire is L, and w＞L makes w/L=n; Finish Computer Plane Design, send film sheet and use for plate-making.
E, in the overall size scope of target product, fill the black represent electro-thermal coatings material, finish Computer Plane Design, send film sheet for plate-making usefulness.
F, on screen process press, be substrate with high performance heat resistant diaphragm, plate, print the conducting wire network of D step design with conductive silver paste, and heat-treat.
G, on screen process press, the silver-colored lodicule that produces with the F step is substrate, the electricity consumption coated material is printed the electro-thermal coatings of E step design, and heat-treats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100504821A CN100484338C (en) | 2007-11-13 | 2007-11-13 | A making method for electric heating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100504821A CN100484338C (en) | 2007-11-13 | 2007-11-13 | A making method for electric heating film |
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| Publication Number | Publication Date |
|---|---|
| CN101150893A true CN101150893A (en) | 2008-03-26 |
| CN100484338C CN100484338C (en) | 2009-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100504821A Expired - Fee Related CN100484338C (en) | 2007-11-13 | 2007-11-13 | A making method for electric heating film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763795A (en) * | 2014-01-20 | 2014-04-30 | 新乡市杰达精密电子器件有限公司 | Producing method of thick film heating element and method for determining using amount of resistor paste |
| CN105517215A (en) * | 2015-04-24 | 2016-04-20 | 冯冠平 | Low-voltage transparent electrothermal film, preparation process thereof, high-temperature electrothermal sheet and preparation process thereof |
| CN112417806A (en) * | 2020-11-11 | 2021-02-26 | 无锡优波生命科技有限公司 | Design method of TCM component planar circuit diagram |
| CN113923805A (en) * | 2020-07-09 | 2022-01-11 | 碳元科技股份有限公司 | Graphite flake for far infrared heating and preparation method thereof |
| US12004272B2 (en) | 2015-04-24 | 2024-06-04 | Guanping Feng | Low-power electro-thermal film devices and methods for making the same |
-
2007
- 2007-11-13 CN CNB2007100504821A patent/CN100484338C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763795A (en) * | 2014-01-20 | 2014-04-30 | 新乡市杰达精密电子器件有限公司 | Producing method of thick film heating element and method for determining using amount of resistor paste |
| CN103763795B (en) * | 2014-01-20 | 2015-06-10 | 新乡市杰达精密电子器件有限公司 | Producing method of thick film heating element and method for determining using amount of resistor paste |
| CN105517215A (en) * | 2015-04-24 | 2016-04-20 | 冯冠平 | Low-voltage transparent electrothermal film, preparation process thereof, high-temperature electrothermal sheet and preparation process thereof |
| CN105517215B (en) * | 2015-04-24 | 2019-05-07 | 烯旺新材料科技股份有限公司 | Low-voltage transparent electrothermal film and preparation process thereof, high-temperature electrothermal sheet and preparation process thereof |
| US12004272B2 (en) | 2015-04-24 | 2024-06-04 | Guanping Feng | Low-power electro-thermal film devices and methods for making the same |
| CN113923805A (en) * | 2020-07-09 | 2022-01-11 | 碳元科技股份有限公司 | Graphite flake for far infrared heating and preparation method thereof |
| WO2022007433A1 (en) * | 2020-07-09 | 2022-01-13 | 碳元科技股份有限公司 | Graphite sheet for far-infrared heating and preparation method therefor |
| CN112417806A (en) * | 2020-11-11 | 2021-02-26 | 无锡优波生命科技有限公司 | Design method of TCM component planar circuit diagram |
| CN112417806B (en) * | 2020-11-11 | 2023-12-19 | 无锡优波生命科技有限公司 | TCM element plane circuit diagram design method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100484338C (en) | 2009-04-29 |
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Owner name: ZHOU ZINAN Free format text: FORMER OWNER: CHENGDU HUAXIBA AUTOMOBILE ELECTRONIC CO., LTD. Effective date: 20111027 |
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Effective date of registration: 20111027 Address after: Jinniu District Shuguang Road Chengdu City, Sichuan province 610000 19 2 unit 3 Building No. 18 Patentee after: Zhou Zinan Address before: 2 unit 4, building 146, 610045 Jin Ji South Road, Chengdu, Sichuan, Wuhou District, 1A Patentee before: Chengdu Huaxiba Automobile Electronic Co., Ltd. |
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Granted publication date: 20090429 Termination date: 20121113 |