CN103571201A - Heat-conducting silica gel sheet for solar inverter and preparation method for same - Google Patents
Heat-conducting silica gel sheet for solar inverter and preparation method for same Download PDFInfo
- Publication number
- CN103571201A CN103571201A CN201210254261.7A CN201210254261A CN103571201A CN 103571201 A CN103571201 A CN 103571201A CN 201210254261 A CN201210254261 A CN 201210254261A CN 103571201 A CN103571201 A CN 103571201A
- Authority
- CN
- China
- Prior art keywords
- heat
- silica gel
- conductive filler
- gel sheet
- heat conductive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a heat-conducting silica gel sheet for a solar inverter and a preparation method for the same. The heat-conducting silica gel sheet for the solar inverter is formed by compounding the following constituents in parts by weight: 30-40 parts of methyl vinyl silicone rubber, 50-80 parts of a heat-conducting filler, 2-6 parts of dimethyl silicon oil and a coupling agent, wherein the dosage of the coupling agent is 0.5-2% of the weight of the heat-conducting filler, and the heat-conducting filler is the mixture of aluminium oxide, aluminium nitride and tri-titanium tetranitride; further, the heat-conducting filler is composed of the following constituents in parts by weight: 10-20 parts of aluminium oxide, 40-50 parts of aluminium nitride and 10-20 parts of tri-titanium tetranitride. The heat-conducting silica gel sheet for the solar inverter disclosed by the invention is in effective contact with a heating assembly and a heat dissipation assembly so as to reduce contact thermal resistance between the heating assembly and the heat dissipation assembly, and has a high heat conductivity coefficient.
Description
Technical field
The present invention relates to a kind of silica gel piece and preparation method thereof, relate in particular to a kind of heat-conducting silica gel sheet for solar inverter and preparation method thereof.
Background technology
Sun power alternating current power-generating system consists of jointly solar panel, charge controller, invertor and store battery; Solar DC power generation system does not comprise inversion.Invertor is a kind of power supply change-over device, and invertor can be divided into self-excited type vibration inversion and separated exciting vibration inversion by energisation mode.Major function is that the DC inverter of store battery is become to alternating-current.By full-bridge circuit, generally adopt SPWM treater through overmodulation, filtering, boost etc., the sinusoidal ac that obtains matching with lighting load frequency, voltage rating etc. is for system terminal user.There is invertor, just can use direct-flow storage battery to provide alternating-current for electrical equipment.
Heat-conducting silica gel sheet is to take silica gel as base material, add the various auxiliary materials such as metal oxide, a kind of heat-conducting medium material synthesizing by special process, in industry, be called again thermal conductive silicon rubber cushion, heat conduction silica gel sheet, soft heat conductive pad etc., special in utilizing the design of gap transferring heat to produce, can blind, complete the heat transmission of heating position and radiating part interdigit, also play insulation simultaneously, damping, the effects such as sealing, can meet the design requirements of device miniaturization and ultrathin, to have manufacturability and usability, and thickness is applied widely, it is a kind of splendid heat conduction packing material.
Summary of the invention
For above shortcomings in prior art, one of technical problem to be solved by this invention is to provide a kind of heat-conducting silica gel sheet for solar inverter.
Two of technical problem to be solved by this invention is to provide a kind of preparation method of the heat-conducting silica gel sheet for solar inverter.
Technical problem to be solved by this invention, is achieved by the following technical solution:
A kind of heat-conducting silica gel sheet for solar inverter, by following component by weight, be composited: methyl ethylene phenyl siloxane rubber 30-40 part, heat conductive filler 50-80 part, dimethyl silicone oil 2-6 part and coupling agent, the consumption of described coupling agent is the 0.5-2% of heat conductive filler weight.
Described heat conductive filler is the mixture of aluminium sesquioxide, aluminium nitride and tetrazotization Tritanium/Trititanium.Further, described heat conductive filler consists of by weight following component: aluminium sesquioxide 10-20 part, aluminium nitride 40-50 part and tetrazotization Tritanium/Trititanium 10-20 part.
Described coupling agent is a kind of or its mixture in 3-TSL 8330, vinyltrimethoxy silane, sec.-propyl three (dodecyl benzenesulfonyl) titanic acid ester, sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester and tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester, distearyl acyl-oxygen aluminum isopropoxide acid esters coupling agent.
Heat-conducting silica gel sheet for solar inverter of the present invention, can adopt following method to be prepared from:
(1) with coupling agent, heat conductive filler is carried out to surface modification treatment: under high-speed stirring, rotating speed is 1500-3000r/min, sprays into coupling agent by heat conductive filler, then continue to stir 5-15 minute, obtain modification heat conductive filler;
(2) by methyl ethylene phenyl siloxane rubber, modification heat conductive filler and dimethyl silicone oil at stirrer for mixing l-3 hour, put into vulcanizing press compressing tablet and solidify.
The effect of the heat-conducting silica gel sheet for solar inverter of the present invention is: insulation, heat conduction, wear-resisting, fire-retardant, fill gap, incompressible, buffering etc.Concrete:
1) reduce the thermal contact resistance producing between thermal source surface and radiating element contact surface, for the heat-conducting silica gel sheet of solar inverter, can well fill the gap of contact surface,
2) because air is hot poor conductor, can seriously hinder the transmission of heat between contact surface, and install additional, for the heat-conducting silica gel sheet of solar inverter, air can be extruded to contact surface between pyrotoxin and scatterer,
3) having had for the supplementing of the heat-conducting silica gel sheet of solar inverter, can make the better fully contact of contact surface between pyrotoxin and scatterer, really accomplished aspectant contact. the reaction in temperature can reach the little temperature difference of trying one's best,
It is 4) large for the scope of the thermal conductivity of the heat-conducting silica gel sheet of solar inverter and stability good,
5) for structurally poor the making up of technique work of heat-conducting silica gel sheet of solar inverter, reduce the poor requirement of technique work of scatterer and radiator structure part,
6) for the heat-conducting silica gel sheet of solar inverter, there is the performance of insulation,
7) for the effect of the heat-conducting silica gel sheet tool damping sound-absorbing of solar inverter,
8) heat-conducting silica gel sheet for solar inverter has installation, test, reusable convenience.
Heat-conducting silica gel sheet for solar inverter of the present invention, effectively contacts with heat generating component and radiating subassembly, reduces the thermal contact resistance between heat generating component and radiating subassembly, has higher thermal conductivity.
Embodiment
Below by specific embodiment, the invention will be further described, but the present invention is not limited by following examples.
Embodiment 1
(1) take 15 kilograms of 15 kilograms of aluminium sesquioxides, 45 kilograms of aluminium nitride and tetrazotization Tritanium/Trititaniums, be uniformly mixed, make mixing heat conductive filler.
(2) with coupling agent, heat conductive filler is carried out to surface modification treatment: get above-mentioned 65 kilograms and mix heat conductive filler under high-speed stirring, rotating speed is 2000r/min, spray into 0.65 kilogram of coupling agent 3-TSL 8330, then continue to stir 10 minutes, obtain modification heat conductive filler;
(2) by 35 kilograms of methyl ethylene phenyl siloxane rubbers, above-mentioned whole modification heat conductive filler and 4 kilograms of dimethyl silicone oils stirrer for mixing 2 hours, put into vulcanizing press compressing tablet and solidify.
Comparative example 1
(1) with coupling agent, heat conductive filler is carried out to surface modification treatment: 65 kilograms of aluminium sesquioxides are under high-speed stirring, rotating speed is 2000r/min, spray into 0.65 kilogram of coupling agent 3-TSL 8330, then continue to stir 10 minutes, obtain modification heat conductive filler;
(2) by 35 kilograms of methyl ethylene phenyl siloxane rubbers, above-mentioned whole modification heat conductive filler and 4 kilograms of dimethyl silicone oils stirrer for mixing 2 hours, put into vulcanizing press compressing tablet and solidify.
Comparative example 2
(1) with coupling agent, heat conductive filler is carried out to surface modification treatment: 65 kilograms of aluminium nitride are under high-speed stirring, rotating speed is 2000r/min, spray into 0.65 kilogram of coupling agent 3-TSL 8330, then continue to stir 10 minutes, obtain modification heat conductive filler;
(2) by 35 kilograms of methyl ethylene phenyl siloxane rubbers, above-mentioned whole modification heat conductive filler and 4 kilograms of dimethyl silicone oils stirrer for mixing 2 hours, put into vulcanizing press compressing tablet and solidify.
Comparative example 3
(1) with coupling agent, heat conductive filler is carried out to surface modification treatment: 65 kilograms of tetrazotization Tritanium/Trititaniums are under high-speed stirring, rotating speed is 2000r/min, spray into 0.65 kilogram of coupling agent 3-TSL 8330, then continue to stir 10 minutes, obtain modification heat conductive filler;
(2) by 35 kilograms of methyl ethylene phenyl siloxane rubbers, above-mentioned whole modification heat conductive filler and 4 kilograms of dimethyl silicone oils stirrer for mixing 2 hours, put into vulcanizing press compressing tablet and solidify.
Test case:
| Embodiment 1 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Thermal conductivity, W/m.k | 1.68 | 1.24 | 1.28 | 1.22 |
| Thickness, mm | 3 | 3 | 3 | 3 |
Thermal conductivity adopts ASTM D5470 standard to test.The present invention adopts aluminium sesquioxide, aluminium nitride and three kinds of composite uses of heat conductive filler of tetrazotization Tritanium/Trititanium as can be seen from the above table, and its thermal conductivity is obviously better than only adopting single heat conductive filler.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (5)
1. the heat-conducting silica gel sheet for solar inverter, it is characterized in that being composited by following component by weight: methyl ethylene phenyl siloxane rubber 30-40 part, heat conductive filler 50-80 part, dimethyl silicone oil 2-6 part and coupling agent, the consumption of described coupling agent is the 0.5-2% of heat conductive filler weight.
2. the heat-conducting silica gel sheet for solar inverter as claimed in claim 1, is characterized in that: described heat conductive filler is the mixture of aluminium sesquioxide, aluminium nitride and tetrazotization Tritanium/Trititanium.
3. the heat-conducting silica gel sheet for solar inverter as claimed in claim 2, is characterized in that: described heat conductive filler consists of by weight following component: aluminium sesquioxide 10-20 part, aluminium nitride 40-50 part and tetrazotization Tritanium/Trititanium 10-20 part.
4. the heat-conducting silica gel sheet for solar inverter as described in any one in claim 1-3, is characterized in that: described coupling agent is a kind of or its mixture in 3-TSL 8330, vinyltrimethoxy silane, sec.-propyl three (dodecyl benzenesulfonyl) titanic acid ester, sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester and tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester, distearyl acyl-oxygen aluminum isopropoxide acid esters coupling agent.
As described in any one in claim 1-4 for the preparation method of the heat-conducting silica gel sheet of solar inverter, it is characterized in that, adopt following method to be prepared from:
(1) with coupling agent, heat conductive filler is carried out to surface modification treatment: under high-speed stirring, rotating speed is 1500-3000r/min, sprays into coupling agent by heat conductive filler, then continue to stir 5-15 minute, obtain modification heat conductive filler;
(2) by methyl ethylene phenyl siloxane rubber, modification heat conductive filler and dimethyl silicone oil at stirrer for mixing l-3 hour, put into vulcanizing press compressing tablet and solidify.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210254261.7A CN103571201B (en) | 2012-07-22 | 2012-07-22 | Heat-conducting silica gel sheet for solar inverter and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210254261.7A CN103571201B (en) | 2012-07-22 | 2012-07-22 | Heat-conducting silica gel sheet for solar inverter and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103571201A true CN103571201A (en) | 2014-02-12 |
| CN103571201B CN103571201B (en) | 2016-07-06 |
Family
ID=50043948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210254261.7A Active CN103571201B (en) | 2012-07-22 | 2012-07-22 | Heat-conducting silica gel sheet for solar inverter and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103571201B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403330A (en) * | 2014-11-24 | 2015-03-11 | 深圳德邦界面材料有限公司 | Low oil leakage type radiating silica gel pad and preparation method thereof |
| CN105368376A (en) * | 2015-12-22 | 2016-03-02 | 常熟市锐思电子设备有限公司 | Switching power supply for electrical equipment |
| CN107083169A (en) * | 2017-05-31 | 2017-08-22 | 青岛海信电器股份有限公司 | A kind of coating and preparation method thereof, dual-component coating and component containing the coating |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530060A (en) * | 1991-06-03 | 1996-06-25 | Shin-Etsu Chemical Co., Ltd. | Silicone composition capable of yeilding a cured product having good thermal conductivity |
| JP2004359963A (en) * | 2004-07-29 | 2004-12-24 | Dow Corning Toray Silicone Co Ltd | Heat conductive silicone rubber and composition thereof |
| CN101775216A (en) * | 2010-02-09 | 2010-07-14 | 绵阳惠利电子材料有限公司 | High thermal conducting organic silicon composite and producing method thereof |
| CN101831181A (en) * | 2010-05-21 | 2010-09-15 | 浙江三元电子科技有限公司 | Addition thermal conductive insulation silicon rubber composite material and preparation method thereof |
| CN101945506A (en) * | 2010-08-17 | 2011-01-12 | 钟秉霖 | Ceramic energy heating element |
| CN102220006A (en) * | 2011-04-28 | 2011-10-19 | 天津大学 | Mixed filling type thermal conductive silicone rubber composite and preparation method thereof |
| CN102220009A (en) * | 2011-05-17 | 2011-10-19 | 吴江朗科化纤有限公司 | Heat-conducting silicone rubber pad |
| CN202150449U (en) * | 2011-08-11 | 2012-02-22 | 深圳市傲川科技有限公司 | Heat conduction silicon sheet for solar energy inverter |
| CN102558876A (en) * | 2011-12-29 | 2012-07-11 | 深圳德邦界面材料有限公司 | Low-cost radiating silica gel sheet and preparation method thereof |
| CN102555331A (en) * | 2012-01-18 | 2012-07-11 | 苏州领胜电子科技有限公司 | Thermal-conductive silicon sheet and manufacturing method thereof |
-
2012
- 2012-07-22 CN CN201210254261.7A patent/CN103571201B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530060A (en) * | 1991-06-03 | 1996-06-25 | Shin-Etsu Chemical Co., Ltd. | Silicone composition capable of yeilding a cured product having good thermal conductivity |
| JP2004359963A (en) * | 2004-07-29 | 2004-12-24 | Dow Corning Toray Silicone Co Ltd | Heat conductive silicone rubber and composition thereof |
| CN101775216A (en) * | 2010-02-09 | 2010-07-14 | 绵阳惠利电子材料有限公司 | High thermal conducting organic silicon composite and producing method thereof |
| CN101831181A (en) * | 2010-05-21 | 2010-09-15 | 浙江三元电子科技有限公司 | Addition thermal conductive insulation silicon rubber composite material and preparation method thereof |
| CN101945506A (en) * | 2010-08-17 | 2011-01-12 | 钟秉霖 | Ceramic energy heating element |
| CN102220006A (en) * | 2011-04-28 | 2011-10-19 | 天津大学 | Mixed filling type thermal conductive silicone rubber composite and preparation method thereof |
| CN102220009A (en) * | 2011-05-17 | 2011-10-19 | 吴江朗科化纤有限公司 | Heat-conducting silicone rubber pad |
| CN202150449U (en) * | 2011-08-11 | 2012-02-22 | 深圳市傲川科技有限公司 | Heat conduction silicon sheet for solar energy inverter |
| CN102558876A (en) * | 2011-12-29 | 2012-07-11 | 深圳德邦界面材料有限公司 | Low-cost radiating silica gel sheet and preparation method thereof |
| CN102555331A (en) * | 2012-01-18 | 2012-07-11 | 苏州领胜电子科技有限公司 | Thermal-conductive silicon sheet and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 唐振华等: "苯基含量对甲基乙烯基苯基硅橡胶性能的影响", 《橡胶工业》, vol. 54, no. 10, 25 October 2007 (2007-10-25), pages 610 - 613 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403330A (en) * | 2014-11-24 | 2015-03-11 | 深圳德邦界面材料有限公司 | Low oil leakage type radiating silica gel pad and preparation method thereof |
| CN105368376A (en) * | 2015-12-22 | 2016-03-02 | 常熟市锐思电子设备有限公司 | Switching power supply for electrical equipment |
| CN107083169A (en) * | 2017-05-31 | 2017-08-22 | 青岛海信电器股份有限公司 | A kind of coating and preparation method thereof, dual-component coating and component containing the coating |
| CN107083169B (en) * | 2017-05-31 | 2020-03-17 | 青岛海信电器股份有限公司 | Coating, preparation method thereof, two-component coating containing coating and component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103571201B (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103613934B (en) | fire-resistant silicon rubber self-adhesive tape and preparation method thereof | |
| CN101928462B (en) | Acetone-removing silicon rubber and preparation method thereof | |
| CN103409116A (en) | Insulating enhanced heat conduction interface material and preparation method thereof | |
| CN113136140B (en) | Organic silicon fireproof heat-insulating coating and preparation method thereof | |
| CN101954766A (en) | The heat-conducting silicon rubber composite sheet | |
| CN103571201A (en) | Heat-conducting silica gel sheet for solar inverter and preparation method for same | |
| JP2012115135A (en) | Integrated electric machine and silicon carbide power converter assembly, and method of manufacturing the same | |
| CN114752221B (en) | Insulating high-heat-conductivity flexible silica gel gasket and preparation method thereof | |
| CN102732229A (en) | Paste heat-conductive silicone grease and preparation method | |
| CN107118680A (en) | A kind of electric power distributing cabinet insulating coating material and preparation method thereof | |
| CN104559819A (en) | High-performance nano carbon cooling composite material | |
| CN105838077A (en) | Surface treatment method of graphene used for producing heat conducting silicon sheets | |
| CN103571203A (en) | Heat-conducting silica gel sheet for LED (light-emitting diode) illumination lamp and preparation method for same | |
| KR102075461B1 (en) | Liquid silicone composition with high heat dissipation | |
| CN103568402A (en) | Heat-conductive silica gel sheet with glass fiber and preparation method thereof | |
| CN107880746A (en) | A kind of power equipment external application coatings and preparation method thereof | |
| CN107141664A (en) | A kind of Novel combined insulator material and preparation method thereof | |
| CN107936760A (en) | A kind of electric power distributing cabinet insulating coating material and preparation method thereof | |
| CN110183853A (en) | A kind of fire-retardant high heat conduction organosilicon encapsulating composite material and preparation method | |
| CN105161168A (en) | Variable-frequency varnished wire | |
| CN115139581A (en) | Carbon fiber heat-conducting phase-change composite material and preparation method thereof | |
| CN105545469B (en) | It is a kind of to start the stable generating set of quick output | |
| CN201533243U (en) | Alternating current drive system | |
| CN116572774A (en) | Electric vehicle charging station based on high-voltage direct-current power distribution | |
| WO2021059936A1 (en) | Thermally conductive silicone composition, production method thereof, and semiconductor device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |