CN202276478U - Pre-woven electrode base material used for electrothermal body and electrothermal body - Google Patents
Pre-woven electrode base material used for electrothermal body and electrothermal body Download PDFInfo
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- CN202276478U CN202276478U CN2011202947898U CN201120294789U CN202276478U CN 202276478 U CN202276478 U CN 202276478U CN 2011202947898 U CN2011202947898 U CN 2011202947898U CN 201120294789 U CN201120294789 U CN 201120294789U CN 202276478 U CN202276478 U CN 202276478U
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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
- 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]
Abstract
The utility model provides a pre-woven electrode base material used for an electrothermal body and the electrothermal body. The pre-woven electrode base material includes warp-wise fibers and weft-wise fibers. The warp-wise fibers are glass fibers, chemical fiber, or cotton fibers, and the weft-wise fibers are conductive filaments, glass fibers, chemical fibers, or cotton fibers. The conductive filaments are metal fibers, metal filament composite cotton yarns, or metal filaments, and 5 to 100 conductive filaments are closely arranged in parallel into one group. Each group of conductive filaments forms a conductive electrode which is weavingly fixed with the weft-wise fibers. The number of the conductive electrodes is a multiple of two. The pre-woven electrode base material and the electrothermal body can be used for brooders, far-infrared physiotherapy and health care, building heating, heating and heat preservation of plants and animals, and article baking and drying.
Description
Technical field
The utility model relates to the electric heating element field, particularly relates to a kind of macromolecule compound electric-heating element, and be used for this electric heating element inweave electrode base material in advance.This macromolecule compound electric-heating element belongs to the Low-temp. electrothermal body, has a wide range of applications with interior low-temperature heat field at 0～160 ℃.
Background technology
As everyone knows, utilize lectrothermal alloy wire to heat in the electric heating element application and had quite long history.But because of its electric conversion efficiency low; Only 50%～70%, be prone to oxidation become fragile and rupture, shortcoming such as poor seismic behavior; Its power density is very big in addition; Only be adapted at heat or middle heat field and use, and only be adapted at that heating space is less relatively, heating purposes thing relative fixed and electric heating element are easy to the occasion safeguarding and change.
In order to overcome the shortcoming of lectrothermal alloy wire, many scholars and researcher have carried out extensive studies and discussion, have developed multiple thermo electric material, to satisfy the application of different field; Especially in organic chemistry filed, the discovery of structural type macromolecule conducting material and composite polymer electric conducting material, it is swift and violent, fast-developing that field of electric heating is able to, and range of application enlarges rapidly, even development and touched the every aspect of our life.The structural type macromolecule conducting material is to have the macromolecular material of conjugated double bond; High-performance conductive material through the preparation of mixing; Its conductance, excellent performance; Some conductivity of electrolyte materials even surpass metal material, but its cost is expensive, processing difficulties, and large-scale commercial is used and is still had numerous technical barriers.
The composite polymer electric conducting material is to be continuous phase with the high molecular polymer; With inorganic conductive powder (carbon black, graphite, metal etc.), conductive fiber (carbon fiber, metallic fiber), CNT etc. is decentralized photo; By different raw material and prescriptions, form through corresponding processing technology manufacturing.It probably can show as forms such as conductive rubber, conductive plastics, electrically conductive ink, electrically-conducting paint, electrically conducting adhesive.The composite conducting material of above-mentioned form has its characteristics and applicability separately.For example; Conductive rubber and conductive plastics are mainly as antistatic and electromagnetic shielding goods, when using as thermo electric material, because the heat resistance of these two kinds of materials is limited; Cause it to be adapted at 0～100 ℃, and very easily decay because of the overheated electric property that makes with interior scope work; The thermal resistance of well-known any material is directly proportional with its thickness, because conductive rubber and conductive plastics are difficult to be processed into film like, therefore, its electric conversion efficiency will inevitably reduce with the increase of material thickness.Electrically conducting adhesive prepares for high-performance is electrically connected, and the characteristic that it possesses should be high conductivity, high-termal conductivity and high adhesiveness ability.Electrically conductive ink is fit to make membranaceous thermo electric material very much, but it is because the reason of manufacture craft (mode of printing) and material structure thereof makes its part that comes with some shortcomings.As, require the narrower adjustability that makes its product electric heating property of the regional number to be printed adjustable extent non-100%, electrically conductive ink of tight, efficient heat generation to the evenness on supporting substrate surface a little less than.
In practical application, the conductive electrode of membranaceous electric heating element can three kinds of modes be connected with conductive base nothing but.The one, with conducting resinl thin copper belt is bonded in substrate surface; The 2nd, with sewing device thin copper belt is sewn to substrate surface; The third then is the electrode position at conductive base, with seam identical with electrode width of certain cut-space, then, thin copper belt is passed up and down along these joint-cuttings, and form electrode with conductive adhesive.
The electric property of above-mentioned three kinds of mode electrodes is limited by the performance of conducting resinl and the contact pressure of thin copper belt and conductive base, is easy to generate loose contact and overheated phenomenon.In addition, back dual mode is difficult to realize large-scale continuous production.
The utility model content
It is that 0.2～2mm, resistance value scope are easy to adjustment, are suitable for voltage that (exchange, direct current) is in extensive range, electric conversion rate is high, be applicable to the macromolecule compound electric-heating element that 0～160 ℃ of scope is used with interior low-temperature heat that the purpose of the utility model provides a kind of thickness, and be used for this electric heating element inweave electrode base material in advance.Thisly inweave the potential safety hazard that electrode base material can be avoided the issuable loose contact of above-mentioned several kinds of electrode fixed forms in advance.
The purpose of the utility model is to realize through following technical scheme:
A kind of electrode base material that inweaves in advance comprises warp fiber and weft fiber, and weft fiber is glass fiber, chemical fibre or cotton fine; Warp fiber is a conductive filament; And glass fiber, chemical fibre or cotton fibre, said conductive filament is selected from metallic fiber, metal wire combined cotton yarn or filament, and forms one group side by side by 5～100 conductive filaments next-door neighbours; Each group conductive filament constitute one with the weft fiber fixing conductive electrode that interweaves, the quantity of conductive electrode is 2 multiple.
The diameter of said conductive filament is preferably 0.03～0.5mm.
The width of said conductive electrode is preferably 3～15mm, and the distance of every pair of electrode outer is preferably 30～600mm.
A kind of electric heating element is coated with electric-heating coatings in above-mentioned inweaving in advance above the electrode base material.
Aforesaid electric heating element is used for brooder, far-infrared physiotherapy health care, building heating, vegeto-animal heating and insulation, article baking dry applications.
The said electrode base material that inweaves in advance can be made through following method.In the process of weaving cotton cloth of fabrics such as glass fabric, chemical fabric or cotton grey fabric, the warp fiber that replaces the above-mentioned fabrics assigned address with conductive filament in groups forms; Said conductive filament is selected from metallic fiber, metal wire combined cotton yarn or filament, and diameter is 0.03～0.5mm; Said is that 5～100 conductive filament next-door neighbours form one group side by side in groups, and each group conductive filament constitutes a conductive electrode of described macromolecule compound electric-heating element; The width of said conductive electrode is 3～15mm, is that multiple with 2 occurs in pairs said inweaving in advance on the electrode base material, and the distance of every pair of electrode outer (distance between the right of right electrodes and the left side of left electrodes) is 30～600mm.Inweave visible Fig. 1 of structure of electrode base material in advance.
Said electric heating element can be made through following method.The macromolecule compound electro-thermal coating that makes is coated on the above-mentioned base material equably,, obtains the macromolecule compound electric-heating element through dry.
The utility model is through to inweaving the flexible adjustment of electrode base material structure in advance, as, change the distance of every pair of electrode outer, the macromolecule compound electric-heating element that can obtain to have different resistance values.In addition, to the adjustment that inweaves electrode base material fibre diameter, conductive filament diameter in advance and the adjustment of above-mentioned fabrics warp-wise and weft fiber density, can conveniently obtain the macromolecule compound electric-heating element of different-thickness.
The macromolecule compound electric-heating element of the utility model is the pure resistive material, and the electric current of the material of flowing through during energising almost all is converted into Joule heat, does not have luminous energy and inductive loss; In addition, the macromolecule compound electro-thermal body thickness of the utility model is significantly smaller than conductive rubber and conductive plastics, and the heat that sends can more effectively come out, moreover its efficient heat generation zone is 100%, therefore, has higher electric conversion rate.
The said macromolecule compound electric-heating element of the utility model has that the resistance value scope is convenient to adjust, material thickness is easy to change, be suitable for the multiple advantage that voltage range is extensive, electric conversion rate is high, makes it to be applicable to the extensive use of 0～160 ℃ of scope with interior low-temperature heat.
The electric heating element preparation method of the utility model is easy, and product has good physical property and electric property convenient, that be prone to accent, is particularly suitable for the application of 0～160 ℃ of scope with interior low-temperature heat.Its key technical indexes is:
A) width: 20～600mm;
B) length: 50～8000mm;
C) thickness: 0.2～2.0mm;
D) normal working temperature: 0～160 ℃;
Resistance value: 100～40000 Ω/10 * 10cm.
Description of drawings
Fig. 1 representes that the utility model macromolecule compound electric-heating element inweaves the structural representation of electrode base material in advance.
Fig. 2 representes the energising temperature rise variation diagram of the electric heating element of the utility model embodiment 1.
Fig. 3 representes the energising temperature rise variation diagram of the electric heating element of the utility model embodiment 2.
Among Fig. 1,1 is glass fabric, chemical fabric or cotton, and 2 is metallic fiber, metal wire combined cotton yarn or filament.
Embodiment
Through embodiment and contrast accompanying drawing the utility model is further specified below.In following each embodiment, the use level of each component is weight portion.It is important to point out that following examples only are used for the utility model is further specified; Can not be interpreted as restriction to the utility model protection range; This art skilled person makes some nonessential improvement and adjustment according to above-mentioned the utility model content to the utility model, still belongs to the protection range of the utility model.
Embodiment 1
(1) inweaves the preparation of electrode base material in advance
In weaving the process of 21 yarn cotton grey fabrics that fabric width is 50cm, replace the part warp fiber in groups with the copper wire of diameter 0.08mm; Every group constitutes the conductive electrode that width is 6mm side by side by 36 copper wires next-door neighbour, and totally 2, the distance of 2 strip electrode outers (distance between the right of right electrodes and the left side of left electrodes) is 44cm.
(2) preparation of macromolecule compound electro-thermal coating
The prescription of macromolecule compound electro-thermal coating is as follows by weight:
(NIPPOLAN 2301, Nippon Polyurethane Industry Co., Ltd.) 100 parts for polyurethane resin; 18 parts of acetylene carbon blacks, electrically conductive graphite are 8 parts, 4 parts in magnesia (purity >=95%); 4 parts in zinc oxide (purity >=95%), 9 parts of dioctyl phthalates, 1.8 parts of stearic acid; 0.8 part of dispersant (Tween20), 260 parts of solvents (ethyl acetate, purity >=95%).
The compound method of macromolecule compound electro-thermal coating is following:
A) accurately take by weighing conductive filler (acetylene carbon black and electrically conductive graphite), other auxiliary agent (magnesia, zinc oxide), dispersant (Tween20), plasticizer (dioctyl phthalate) and lubricant (stearic acid) and place container;
B) take by weighing about 2/3rds solvents (ethyl acetate), add in the said vesse;
C) above-mentioned material is after fully soaking into, and accurate weighing also adds macromolecule resin base-material (polyurethane resin);
D) add residue 1/3rd solvents, fully stir, make each component must be in abundant mixing;
E) with high-shearing dispersion emulsifying machine said mixture is carried out high speed dispersion and grinding, 25 minutes time, make macromolecule compound electro-thermal coating.
(3) making of macromolecule compound electric-heating element
Above-mentioned electric-heating coatings is coated in above-mentioned inweaving in advance on the electrode base material equably, and dry preceding coated weight promptly is about 350g/m in the coated weight of weight in wet base
2, through the baking of about 80 ℃ of temperature about 10 minutes, promptly obtain the macromolecule compound electric-heating element that thickness is about 0.5mm.
(4) test of macromolecule compound electric-heating element sample resistance
Get the long above-mentioned macromolecule compound electric-heating element a slice of 50cm;
Be not less than 0.5% digital multimeter with accuracy and measure resistance value and record between 2 strip electrodes.
Test result: resistance R=350 Ω.
(1) inweaves the preparation of electrode base material in advance
The preparation method who inweaves electrode base material in advance is similar with embodiment 1, and difference is that cloth fabric width degree is 25cm, and the distance between the 2 strip electrode outers is 22cm.
(2) preparation of macromolecule compound electro-thermal coating
The prescription of electric-heating coatings is similar with embodiment 1, and difference is that among the embodiment 2, acetylene carbon black is 8 parts, and electrically conductive graphite is 0 part, and solvent (ethyl acetate, purity >=95%) is 270 parts.
(3) making of macromolecule compound electric-heating element
The manufacture method of macromolecule compound electric-heating element is identical with embodiment 1.
(4) test of macromolecule compound electric-heating element sample resistance
The method of testing of macromolecule compound electric-heating element sample resistance is identical with embodiment 1.
Test result: resistance R=1570 Ω.
Can confirm from above embodiment,, can easily obtain the electric heating element that the resistance value scope is easy to adjust according to the method for the utility model.Owing to have electric-heating coatings and be applied to the structure on the base material, so the electric heating element of the utility model can adjust the thickness of different Electric radiant Heating Film, thereby obtains the high electric heating element of electric conversion rate.
Below, the electric heating element of employing embodiment 1 and embodiment 2 is measured the heating temp under the specified conditions.
Energising temperature rise experiment
Get the electric heating element same, feed the voltage of 220V, form power density and be about 600W/m with embodiment 1
2Electric radiant Heating Film.Under 25 ℃ of room temperature conditions, measure the result of temperature, reach 86 ℃ through 10 minutes temperature, switch on after 60 minutes, temperature is basicly stable about 90 degree.The result sees Fig. 2.
Get the electric heating element same, feed the voltage of 220V, form power density and be about 250W/m with embodiment 2
2Electric radiant Heating Film.Under 25 ℃ of room temperature conditions, measure the result of temperature, reach 50 degree through 10 minutes temperature, switched on 24 hours always, temperature is stabilized in about 52 degree always as a result.The result sees Fig. 3.
Application on the industry
The electric heating element of the utility model is not only applicable to brooder, far-infrared physiotherapy health care etc. and requires more soft, thinner field; Also because its controllability, making property and be fit to be applied to many-sides such as building heating, vegeto-animal heating and insulation, article baking drying easily.
Claims (4)
- One kind be used for electric heating element inweave electrode base material in advance, comprise warp fiber and weft fiber, it is characterized in that weft fiber is glass fiber, chemical fibre or cotton fine; Warp fiber is a conductive filament, and glass fiber, chemical fibre or cotton fibre; Said conductive filament is selected from metallic fiber, metal wire combined cotton yarn or filament; And form one group side by side by 5～100 conductive filament next-door neighbours; Each group conductive filament constitute one with the weft fiber fixing conductive electrode that interweaves, the quantity of conductive electrode is 2 multiple.
- 2. the electrode base material that inweaves in advance according to claim 1 is characterized in that the diameter of said conductive filament is 0.03～0.5mm.
- 3. the electrode base material that inweaves in advance according to claim 1 and 2 is characterized in that the width of said conductive electrode is 3～15mm, and the distance of every pair of electrode outer is 30～600mm.
- 4. an electric heating element is characterized in that, described the inweaving in advance of each in claim 1～3 is coated with electric-heating coatings above the electrode base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202947898U CN202276478U (en) | 2011-08-12 | 2011-08-12 | Pre-woven electrode base material used for electrothermal body and electrothermal body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202947898U CN202276478U (en) | 2011-08-12 | 2011-08-12 | Pre-woven electrode base material used for electrothermal body and electrothermal body |
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| Publication Number | Publication Date |
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| CN202276478U true CN202276478U (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202947898U Expired - Lifetime CN202276478U (en) | 2011-08-12 | 2011-08-12 | Pre-woven electrode base material used for electrothermal body and electrothermal body |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499162A (en) * | 2014-12-09 | 2015-04-08 | 四川中升博能生物科技股份有限公司 | Mixed spinning method and equipment of reticular structure of electric heating net |
| CN104847077A (en) * | 2015-05-08 | 2015-08-19 | 洪泽民 | Technological floor heating |
| CN104918341A (en) * | 2015-05-08 | 2015-09-16 | 洪泽民 | Method for applying carbon nanotube to floor heating electro-thermal film |
| CN105887272A (en) * | 2014-09-14 | 2016-08-24 | 许少君 | Unsteady state quantum wave electric heating cloth |
-
2011
- 2011-08-12 CN CN2011202947898U patent/CN202276478U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887272A (en) * | 2014-09-14 | 2016-08-24 | 许少君 | Unsteady state quantum wave electric heating cloth |
| CN104499162A (en) * | 2014-12-09 | 2015-04-08 | 四川中升博能生物科技股份有限公司 | Mixed spinning method and equipment of reticular structure of electric heating net |
| CN104499162B (en) * | 2014-12-09 | 2016-08-24 | 四川中升博能生物科技股份有限公司 | A kind of electric network cancellated mixed textile method and apparatus |
| CN104847077A (en) * | 2015-05-08 | 2015-08-19 | 洪泽民 | Technological floor heating |
| CN104918341A (en) * | 2015-05-08 | 2015-09-16 | 洪泽民 | Method for applying carbon nanotube to floor heating electro-thermal film |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |
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| CX01 | Expiry of patent term |