CN113923857A - Shared drive plate based on five ways and two ways of intelligent ceiling lamp and production process thereof - Google Patents
Shared drive plate based on five ways and two ways of intelligent ceiling lamp and production process thereof Download PDFInfo
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- CN113923857A CN113923857A CN202111178042.0A CN202111178042A CN113923857A CN 113923857 A CN113923857 A CN 113923857A CN 202111178042 A CN202111178042 A CN 202111178042A CN 113923857 A CN113923857 A CN 113923857A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0373—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement containing additives, e.g. fillers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/001—Macromolecular compounds containing organic and inorganic sequences, e.g. organic polymers grafted onto silica
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
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Abstract
The invention discloses a five-way and two-way based common driving board of an intelligent ceiling lamp and a production process thereof, and relates to the field of driving boards, wherein heat-resistant heat-conducting resin is added into a plastic extruding machine to be melted and extruded into a mold, the heat-resistant heat-conducting driving board substrate is formed after demolding, and a conductive circuit is etched on the surface of the heat-resistant heat-conducting driving board substrate, so that the five-way and two-way based common driving board of the intelligent ceiling lamp is obtained; this heat-resisting heat conduction driving plate base plate's heat resistance and heat conductivility are good, avoid intelligent ceiling lamp to lead to the driving plate base plate to warp at a large amount of heats that the use emanates, and the heat is difficult for giving off and leads to the electronic component on the driving plate base plate to be heated and damage, high temperature resistance gives off the heat high-efficiently simultaneously to protect intelligent ceiling lamp effectively, promote its life.
Description
Technical Field
The invention relates to the field of driving plates, in particular to a five-way and two-way shared driving plate based on an intelligent ceiling lamp and a production process thereof.
Background
The five-path and two-path product driving of the intelligent ceiling lamp can be shared, the five-path and two-path product driving only has difference between a terminal and a module, other materials are shared materials, the five-path product needs two terminals (3P +4P), the two-path product only needs one terminal (3P), two different products share more same materials, and the products can be purchased, stored, prepared and produced by a company to be more simply and conveniently circulated, so that the purposes of saving labor and money are achieved;
products of five paths and two paths of intelligent ceiling lamps drive an electronic device to generate a large amount of heat under a high-frequency working state, the service life is greatly reduced along with the rise of the working temperature, and auxiliary tools are required to be added to ensure that the intelligent ceiling lamp keeps normal working performance at normal temperature, so that the intelligent ceiling lamp and components are helped to dissipate heat; the traditional metal material has strong heat conduction capability, and can radiate heat generated by the device out of the device on a large scale, but the excellent conductivity of the metal material is always an unchangeable problem, which is also a main reason for limiting the inapplicability of the metal material in the fields of electronic equipment and high-performance insulation;
therefore, a high-temperature-resistant and easily heat-conductive common drive plate based on five paths and two paths of intelligent ceiling lamps is needed to solve the problems.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a common driving plate based on five paths and two paths of intelligent ceiling lamps and a production process thereof: the heat-resistant heat-conducting resin is added into the plastic extruding machine to be melted and extruded into the die, the heat-resistant heat-conducting driving board substrate is formed after demolding, and the conducting circuits are etched on the surface of the heat-resistant heat-conducting driving board substrate, so that the common driving board based on the five ways and the two ways of the intelligent ceiling lamp is obtained, and the problems that the heat resistance of the products of the five ways and the two ways of the conventional intelligent ceiling lamp is poor, and the service life is greatly shortened due to the fact that heat is not easily dissipated are solved.
The purpose of the invention can be realized by the following technical scheme:
the five-way and two-way shared driving board based on the intelligent ceiling lamp comprises a heat-resistant heat-conducting driving board substrate and a conducting circuit on the surface of the heat-resistant heat-conducting driving board;
the common drive plate based on the five ways and two ways of the intelligent ceiling lamp is prepared by the following steps:
the method comprises the following steps: adding heat-resistant heat-conducting resin into an extruding machine, melting and extruding the heat-resistant heat-conducting resin into a mould, and demoulding to form a heat-resistant heat-conducting driving plate substrate;
step two: and etching the conducting circuit on the surface of the heat-resistant heat-conducting driving plate substrate to obtain the five-way and two-way based common driving plate of the intelligent ceiling lamp.
As a further scheme of the invention: the preparation process of the heat-resistant heat-conducting resin is as follows:
a1: adding p-fluorotoluene, benzoyl peroxide and triethanolamine into a chlorination reactor, starting an ultraviolet lamp, introducing chlorine gas at the temperature of 70-80 ℃, reacting at constant temperature for 4-5h, cooling a reaction product to room temperature after the reaction is finished, and introducing nitrogen gas for 30-60min to obtain an intermediate 1;
the reaction principle is as follows
A2: adding the intermediate 1 into a four-neck flask provided with a stirrer, a constant-pressure dropping funnel and a reflux condenser tube, heating to 80-85 ℃, stirring and dropwise adding a ferric trichloride solution under the condition that the stirring speed is 100-300r/min, controlling the dropwise adding speed to be 1 drop/s, continuously stirring and reacting for 2-3h after the dropwise adding is finished, standing and layering reaction products after the reaction is finished, distilling an organic phase under the condition that the pressure is 2666Pa, and collecting fractions at 81-82 ℃ to obtain an intermediate 2;
the reaction principle is as follows
A3: adding fluorobenzene and dichloroethane into a four-neck flask provided with a stirrer, a constant-pressure dropping funnel and a reflux condenser, stirring for 10-20min under the condition that the stirring speed is 200-300r/min, then adding anhydrous aluminum trichloride, continuously stirring for 3-5min, then dropwise adding an intermediate 2 under the condition that the temperature is 30-35 ℃, controlling the dropwise adding speed to be 1 drop/s, continuously stirring at constant temperature for reaction for 3-4h after the dropwise adding is finished, filtering a reaction product after the reaction is finished, pouring the reaction product into ice water, standing for layering after stirring for 30-50min, removing a solvent by rotary evaporation of an organic phase, adding the evaporation product into anhydrous ethanol for recrystallization, and drying to obtain an intermediate 3;
the reaction principle is as follows
A4: adding 4, 4 '-dihydroxybiphenyl, a sodium hydroxide solution and absolute ethyl alcohol into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, stirring at the stirring rate of 200-300r/min until the 4, 4' -dihydroxybiphenyl is completely dissolved, then dropwise adding dimethyl sulfate while stirring, controlling the dropwise adding rate to be 1 drop/s, after the dropwise adding is finished, carrying out constant-temperature stirring reaction at the temperature of 40-45 ℃ for 2-3h, cooling a reaction product to room temperature after the reaction is finished, standing for 8-10h, and then filtering and drying to obtain an intermediate 4;
the reaction principle is as follows
A5: adding the intermediate 4, the intermediate 2 and chloroform into a three-neck flask provided with a stirrer, a thermometer and a constant pressure dropping funnel, stirring for 10-20min at the temperature of 0-5 ℃ and the stirring rate of 200-300r/min, then adding anhydrous ferric chloride, continuing stirring and reacting for 20-30h under the condition of heating to 20-30 ℃, adding a hydrochloric acid solution, then pouring into anhydrous methanol, carrying out vacuum filtration, and collecting a filter cake to obtain an intermediate 5;
the reaction principle is as follows
A6: adding the intermediate 5 and chloroform into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, stirring and dropwise adding a boron trichloride-benzene solution under the conditions of ice water bath and stirring speed of 200-300r/min, continuously stirring and reacting for 40-50h under the condition of heating to 20-30 ℃, and rotationally evaporating a reaction product to remove a solvent after the reaction is finished to obtain an intermediate 6;
the reaction principle is as follows
A7: washing aluminum nitride powder with ethanol solution for 3-5 times, drying, adding into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, adding toluene, ultrasonically dispersing for 20-40min under the ultrasonic frequency of 55-75kHz, heating while stirring under the stirring speed of 300-500r/min, controlling the heating rate to be 1-2 ℃ until the temperature is 60-65 ℃, dropwise adding silane coupling agent toluene solution while stirring, controlling the dropwise adding rate to be 1 drop/s, continuing stirring for reaction for 4-5h after the dropwise adding is finished, centrifuging and filtering a reaction product after the reaction is finished, washing a filter cake with absolute ethanol for 2-3 times, then placing into a vacuum drying box, drying to constant weight under the temperature of 90-100 ℃, to obtain an intermediate 7;
the reaction principle is as follows
A8: adding the intermediate 7, triethylamine and toluene into a three-neck flask provided with a stirrer, a thermometer and a constant pressure dropping funnel, then ultrasonically dispersing for 20-40min under the ultrasonic frequency of 55-75kHz, then dropwise adding chloroacetyl chloride while stirring under the conditions of ice water bath and stirring speed of 300-500r/min, controlling the dropwise adding speed to be 1 drop/s, continuously stirring and reacting for 10-12h under the condition of heating to 20-30 ℃ after dropwise adding, centrifuging and filtering reaction products after the reaction is finished, washing a filter cake for 2-3 times by using distilled water and saturated salt water respectively, then placing the filter cake into a vacuum drying box, and drying to constant weight under the condition of temperature of 60-70 ℃ to obtain an intermediate 8;
the reaction principle is as follows
A9: adding the intermediate 3, the intermediate 6 and the intermediate 8 into a three-neck flask provided with a stirrer, a thermometer and a gas-guide tube, introducing nitrogen for protection, stirring for 30-40min under the conditions that the temperature is 130-, obtaining the heat-resistant heat-conducting resin.
The reaction principle is as follows
As a further scheme of the invention: the dosage ratio of the p-fluorotoluene, the benzoyl peroxide and the triethanolamine in the step A1 is 1 mol: 0.2 g: 0.09g, and the chlorine gas introduction rate is 1.5-3.5L/min.
As a further scheme of the invention: the dosage ratio of the intermediate 1 to the ferric trichloride solution in the step A2 is 1 mol: 46.85g, wherein the mass fraction of the ferric trichloride solution is 5%.
As a further scheme of the invention: the dosage ratio of the fluorobenzene, the dichloroethane, the anhydrous aluminum trichloride and the intermediate 2 in the step A3 is 1.0 mol: 250mL of: 1.1 mol: 1.05 mol.
As a further scheme of the invention: the using amount ratio of the 4, 4' -dihydroxybiphenyl, the sodium hydroxide solution, the absolute ethyl alcohol and the dimethyl sulfate in the step A4 is 0.1 mol: 50mL of: 100mL of: 0.3mol, and the mass fraction of the sodium hydroxide solution is 20-40%.
As a further scheme of the invention: the dosage ratio of the intermediate 4, the intermediate 2, chloroform, anhydrous ferric chloride and hydrochloric acid solution in the step A5 is 0.1 mol: 0.22 mol: 100mL of: 1.5-3.5 g: 5-15mL, wherein the mass fraction of the hydrochloric acid solution is 10-20%.
As a further scheme of the invention: the boron trichloride-benzene solution in the step A6 is a solution with the mass fraction of 30-50% formed by dissolving boron trichloride in benzene, and the dosage ratio of the intermediate 5, chloroform and boron trichloride is 0.1 mol: 100mL of: 0.25 mol.
As a further scheme of the invention: the dosage ratio of the aluminum nitride powder, the toluene and the silane coupling agent toluene solution in the step A7 is 20 g: 100mL of: 1-2g, wherein the volume fraction of the ethanol solution is 50%, and the silane coupling agent toluene solution is prepared by mixing a silane coupling agent and toluene according to a mass ratio of 1: 1, wherein the silane coupling agent is a silane coupling agent KH-550.
As a further scheme of the invention: the dosage ratio of the intermediate 7, triethylamine, toluene and chloroacetyl chloride in the step A8 is 10 g: 10.2 g: 50mL of: 11.3 g.
As a further scheme of the invention: the dosage ratio of the intermediate 3, the intermediate 6, the intermediate 8, the sodium carbonate and the potassium carbonate in the step A9 is 0.1 mol: 0.12 mol: 35 g: 22 g: 3.5 g.
As a further scheme of the invention: production technology of a common driving plate based on five ways and two ways of an intelligent ceiling lamp comprises the following steps:
the method comprises the following steps: adding heat-resistant heat-conducting resin into an extruding machine, melting and extruding the heat-resistant heat-conducting resin into a mould, and demoulding to form a heat-resistant heat-conducting driving plate substrate;
step two: and etching the conducting circuit on the surface of the heat-resistant heat-conducting driving plate substrate to obtain the five-way and two-way based common driving plate of the intelligent ceiling lamp.
The invention has the beneficial effects that:
according to the five-way and two-way based common driving board of the intelligent ceiling lamp and the production process thereof, the heat-resistant heat-conducting resin is added into the plastic extruding machine to be melted and extruded into the mold, the heat-resistant heat-conducting driving board substrate is formed after demolding, and the conducting circuit is etched on the surface of the heat-resistant heat-conducting driving board substrate, so that the five-way and two-way based common driving board of the intelligent ceiling lamp is obtained; the heat-resistant heat-conducting driving plate substrate is good in heat resistance and heat conducting performance, the phenomenon that the driving plate substrate is deformed due to a large amount of heat emitted by the intelligent ceiling lamp in the using process is avoided, the heat is not easy to emit, electronic elements on the driving plate substrate are heated and damaged, the heat is efficiently emitted while the heat is high-temperature resistant, so that the intelligent ceiling lamp is effectively protected, and the service life of the intelligent ceiling lamp is prolonged;
in the production process of the common drive board, firstly, a heat-resistant heat-conducting resin is prepared, p-fluorotoluene reacts with chlorine to generate an intermediate 1, then the intermediate 1 reacts with water under the catalysis of ferric trichloride to generate an intermediate 2, then the intermediate 2 generates an intermediate 3 under the catalysis of aluminum trichloride, an intermediate 4 is generated through the reaction of 4, 4' -dihydroxybiphenyl and dimethyl sulfate, then the intermediate 4 reacts with the intermediate 2 to generate an intermediate 5, then the intermediate 5 generates an intermediate 6 under the catalysis of boron trichloride, aluminum nitride is distributed in an organic matter to form a heat-conducting network for conducting heat, further the heat-conducting property of the organic matter is improved, the aluminum nitride is modified by using a silane coupling agent to obtain an intermediate 7, then the intermediate 7 reacts with chloroacetyl chloride to generate an intermediate 8, and hydroxyl on the surface of the aluminum nitride is fully removed, the dispersibility of the modified aluminum nitride in organic matters is improved, so that the heat conduction is uniform and the heat conduction effect is good, the modified aluminum nitride is grafted on the polymers of the intermediate 3 and the intermediate 6, the coupling force is improved through chemical connection, the dispersibility and the heat conduction effect are further enhanced, the heat-resistant heat-conducting resin is obtained, a large number of benzene rings are contained in the heat-resistant heat-conducting resin, the good heat stability and the high temperature resistance are endowed, and the good heat conduction performance is endowed through the grafted modified aluminum nitride.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1:
the embodiment is a preparation method of heat-resistant and heat-conductive resin, which comprises the following steps:
a1: adding 1mol of p-fluorotoluene, 0.2g of benzoyl peroxide and 0.09g of triethanolamine into a chlorination reactor, starting an ultraviolet lamp, introducing chlorine gas at the temperature of 70 ℃ at the introduction rate of 1.5L/min, reacting at constant temperature for 4 hours, cooling a reaction product to room temperature after the reaction is finished, and introducing nitrogen gas for 30 minutes to obtain an intermediate 1;
a2: adding 1mol of the intermediate 1 into a four-neck flask provided with a stirrer, a constant-pressure dropping funnel and a reflux condenser tube, heating to 80 ℃, stirring and adding 46.85g of ferric trichloride solution with the mass fraction of 5% dropwise under the condition of the stirring speed of 100r/min, controlling the dropwise adding speed to be 1 drop/s, continuing stirring and reacting for 2 hours after the dropwise adding is finished, standing and layering reaction products after the reaction is finished, distilling an organic phase under the condition of the pressure of 2666Pa, and collecting fractions at 81 ℃ to obtain an intermediate 2;
a3: adding 1.0mol of fluorobenzene and 250mL of dichloroethane into a four-neck flask provided with a stirrer, a constant-pressure dropping funnel and a reflux condenser, stirring for 10min under the condition that the stirring speed is 200r/min, then adding 1.1mol of anhydrous aluminum trichloride, continuously stirring for 3min, then dropwise adding 1.05mol of an intermediate 2 under the condition that the temperature is 30 ℃, controlling the dropwise adding speed to be 1 drop/s, continuously stirring at constant temperature for reaction for 3h after the dropwise adding is finished, pouring a reaction product into ice water after the reaction is finished, standing for layering after stirring for 30min, removing a solvent by rotary evaporation of an organic phase, adding an evaporation product into anhydrous ethanol for recrystallization, and drying to obtain an intermediate 3;
a4: adding 4, 4 '-dihydroxybiphenyl 0.1mol, sodium hydroxide solution 50mL with mass fraction of 20% and anhydrous ethanol 100mL into a three-neck flask equipped with a stirrer, a thermometer and a constant pressure dropping funnel, stirring at a stirring speed of 200r/min until the 4, 4' -dihydroxybiphenyl is completely dissolved, then dropwise adding dimethyl sulfate 0.3mol while stirring, controlling the dropwise adding speed to be 1 drop/s, stirring at constant temperature at 40 ℃ for reaction for 2h after the dropwise adding is finished, cooling the reaction product to room temperature after the reaction is finished, standing for 8h, filtering and drying to obtain an intermediate 4;
a5: adding 0.1mol of the intermediate 4, 0.22mol of the intermediate 2 and 100mL of chloroform into a three-neck flask provided with a stirrer, a thermometer and a constant pressure dropping funnel, stirring for 10min at the temperature of 0 ℃ and the stirring speed of 200r/min, then adding 1.5g of anhydrous ferric chloride, continuing stirring and reacting for 20h under the condition of heating to 20 ℃, adding 5mL of hydrochloric acid solution with the mass fraction of 10%, then pouring into anhydrous methanol, carrying out vacuum filtration, and collecting a filter cake to obtain an intermediate 5;
a6: adding 0.1mol of the intermediate 5 and 100mL of chloroform into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, dropwise adding a boron trichloride-benzene solution containing 0.25mol of boron trichloride while stirring in an ice water bath at a stirring rate of 200r/min, continuously stirring and reacting for 40 hours under the condition of heating to 20 ℃, and rotationally evaporating a reaction product to remove a solvent after the reaction is finished to obtain an intermediate 6;
a7: washing 20g of aluminum nitride powder with an ethanol solution with a volume fraction of 50% for 3 times, drying, adding the aluminum nitride powder into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, adding 100mL of toluene, performing ultrasonic dispersion for 20min under the ultrasonic frequency of 55kHz, heating while stirring under the stirring speed of 300r/min, controlling the heating rate to be 1 ℃ until the temperature is 60 ℃, and dropwise adding 1g of silane coupling agent KH-550 and toluene while stirring according to the mass ratio of 1: 1, controlling the dropping speed to be 1 drop/s, continuing stirring and reacting for 4 hours after the dropping is finished, centrifuging and filtering a reaction product after the reaction is finished, washing a filter cake for 2 times by using absolute ethyl alcohol, then placing the filter cake in a vacuum drying box, and drying the filter cake to constant weight at the temperature of 90 ℃ to obtain an intermediate 7;
a8: adding 10g of intermediate 7, 10.2g of triethylamine and 50mL of toluene into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, then ultrasonically dispersing for 20min under the ultrasonic frequency of 55kHz, then dropwise adding 11.3g of chloroacetyl chloride while stirring under the conditions of ice water bath and stirring speed of 300r/min, controlling the dropwise adding speed to be 1 drop/s, heating to 20 ℃ after dropwise adding, continuing stirring for reaction for 10h, centrifuging and filtering a reaction product after the reaction is finished, washing a filter cake for 2 times by using distilled water and saturated salt water respectively, then placing the filter cake into a vacuum drying box, and drying to constant weight under the temperature of 60 ℃ to obtain an intermediate 8;
a9: adding 0.1mol of the intermediate 3, 0.12mol of the intermediate 6 and 35g of the intermediate 8 into a three-neck flask provided with a stirrer, a thermometer and a gas guide tube, introducing nitrogen for protection, stirring for 30min under the conditions that the temperature is 130 ℃ and the stirring speed is 300r/min, then adding 22g of sodium carbonate and 3.5g of potassium carbonate under the condition of heating to 160 ℃, continuously stirring for reaction for 10min, then stirring for reaction for 2h under the constant temperature condition of heating to 180 ℃, then stirring for reaction for 1 under the constant temperature condition of heating to 250 ℃, then stirring for reaction for 2h under the constant temperature condition of heating to 310 ℃, pouring a reaction product into acetone for settling after the reaction is finished, then washing for 3 times by using absolute ethyl alcohol, then placing in a vacuum drying oven, and drying to constant weight under the temperature of 130 ℃ to obtain the heat-resistant heat-conducting resin.
Example 2:
the embodiment is a preparation method of heat-resistant and heat-conductive resin, which comprises the following steps:
a1: adding 1mol of p-fluorotoluene, 0.2g of benzoyl peroxide and 0.09g of triethanolamine into a chlorination reactor, starting an ultraviolet lamp, introducing chlorine gas at the temperature of 80 ℃ at the introduction rate of 3.5L/min, reacting at constant temperature for 5 hours, cooling a reaction product to room temperature after the reaction is finished, and introducing nitrogen gas for 60 minutes to obtain an intermediate 1;
a2: adding 1mol of the intermediate 1 into a four-neck flask provided with a stirrer, a constant-pressure dropping funnel and a reflux condenser tube, heating to 85 ℃, stirring and dropwise adding 46.85g of ferric trichloride solution with the mass fraction of 5% under the condition of the stirring rate of 300r/min, controlling the dropwise adding rate to be 1 drop/s, continuing stirring and reacting for 3 hours after the dropwise adding is finished, standing and layering reaction products after the reaction is finished, distilling an organic phase under the condition of the pressure of 2666Pa, and collecting 82 ℃ fraction to obtain an intermediate 2;
a3: adding 1.0mol of fluorobenzene and 250mL of dichloroethane into a four-neck flask provided with a stirrer, a constant-pressure dropping funnel and a reflux condenser, stirring for 20min under the condition that the stirring speed is 300r/min, then adding 1.1mol of anhydrous aluminum trichloride, continuously stirring for 5min, then dropwise adding 1.05mol of an intermediate 2 under the condition that the temperature is 35 ℃, controlling the dropwise adding speed to be 1 drop/s, continuously stirring at constant temperature for reaction for 4h after the dropwise adding is finished, pouring a reaction product into ice water after the reaction is finished, standing for layering after stirring for 50min, removing a solvent by rotary evaporation of an organic phase, adding an evaporation product into anhydrous ethanol for recrystallization, and drying to obtain an intermediate 3;
a4: adding 4, 4 '-dihydroxybiphenyl 0.1mol, sodium hydroxide solution 50mL with mass fraction of 40% and anhydrous ethanol 100mL into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, stirring at a stirring speed of 300r/min until the 4, 4' -dihydroxybiphenyl is completely dissolved, then dropwise adding dimethyl sulfate 0.3mol while stirring, controlling the dropwise adding speed to be 1 drop/s, stirring at a constant temperature of 45 ℃ for reaction for 3 hours after the dropwise adding is finished, cooling the reaction product to room temperature after the reaction is finished, standing for 10 hours, and then filtering and drying to obtain an intermediate 4;
a5: adding 0.1mol of the intermediate 4, 0.22mol of the intermediate 2 and 100mL of chloroform into a three-neck flask provided with a stirrer, a thermometer and a constant pressure dropping funnel, stirring for 20min at the temperature of 5 ℃ and the stirring speed of 300r/min, then adding 3.5g of anhydrous ferric chloride, continuing stirring and reacting for 30h under the condition of heating to 30 ℃, adding 15mL of hydrochloric acid solution with the mass fraction of 20%, then pouring into anhydrous methanol, carrying out vacuum filtration, and collecting a filter cake to obtain an intermediate 5;
a6: adding 0.1mol of the intermediate 5 and 100mL of chloroform into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, dropwise adding a boron trichloride-benzene solution containing 0.25mol of boron trichloride while stirring in an ice water bath at a stirring rate of 300r/min, continuously stirring for reacting for 50 hours under the condition of heating to 30 ℃, and rotationally evaporating a reaction product to remove a solvent after the reaction is finished to obtain an intermediate 6;
a7: washing 20g of aluminum nitride powder with an ethanol solution with a volume fraction of 50% for 5 times, drying, adding the dried aluminum nitride powder into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, adding 100mL of toluene, performing ultrasonic dispersion for 40min under the condition that the ultrasonic frequency is 75kHz, heating while stirring under the condition that the stirring speed is 500r/min, controlling the heating speed to be 2 ℃ until the temperature is 65 ℃, and dropwise adding 2g of silane coupling agent KH-550 and toluene while stirring according to the mass ratio of 1: 1, controlling the dropping speed to be 1 drop/s, continuing stirring and reacting for 5 hours after the dropping is finished, centrifuging and filtering a reaction product after the reaction is finished, washing a filter cake for 3 times by using absolute ethyl alcohol, then placing the filter cake in a vacuum drying box, and drying the filter cake to constant weight at the temperature of 100 ℃ to obtain an intermediate 7;
a8: adding 10g of intermediate 7, 10.2g of triethylamine and 50mL of toluene into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, then ultrasonically dispersing for 40min under the condition that the ultrasonic frequency is 75kHz, then dropwise adding 11.3g of chloroacetyl chloride while stirring under the conditions of ice water bath and the stirring speed of 500r/min, controlling the dropwise adding speed to be 1 drop/s, heating to 30 ℃ after the dropwise adding is finished, continuously stirring for reaction for 12h, centrifuging and filtering reaction products after the reaction is finished, washing a filter cake for 3 times by using distilled water and saturated salt water respectively, then placing the filter cake in a vacuum drying box, and drying to constant weight under the condition that the temperature is 70 ℃ to obtain an intermediate 8;
a9: adding 0.1mol of the intermediate 3, 0.12mol of the intermediate 6 and 35g of the intermediate 8 into a three-neck flask provided with a stirrer, a thermometer and a gas guide tube, introducing nitrogen for protection, stirring for 40min under the conditions that the temperature is 145 ℃ and the stirring speed is 500r/min, then adding 22g of sodium carbonate and 3.5g of potassium carbonate under the condition of heating to 170 ℃, continuing to stir for reaction for 30min, then stirring for reaction for 3h under the constant temperature condition of heating to 220 ℃, then stirring for reaction for 2h under the constant temperature condition of heating to 260 ℃, then stirring for reaction for 3h under the constant temperature condition of heating to 320 ℃, pouring a reaction product into acetone for settling after the reaction is finished, then washing for 5 times by using absolute ethyl alcohol, then placing in a vacuum drying oven, and drying to constant weight under the temperature of 140 ℃ to obtain the heat-resistant and heat-conducting resin.
Example 3:
the embodiment is a production technology of a common drive plate based on five ways and two ways of intelligent ceiling lamp, comprising the following steps:
the method comprises the following steps: adding the heat-resistant and heat-conductive resin from example 1 into an extruder, melting and extruding the mixture into a mold, and demolding to form a heat-resistant and heat-conductive driving board substrate;
step two: and etching the conducting circuit on the surface of the heat-resistant heat-conducting driving plate substrate to obtain the five-way and two-way based common driving plate of the intelligent ceiling lamp.
Example 4:
the embodiment is a production technology of a common drive plate based on five ways and two ways of intelligent ceiling lamp, comprising the following steps:
the method comprises the following steps: adding the heat-resistant and heat-conductive resin from example 2 into an extruder, melting and extruding the mixture into a mold, and demolding to form a heat-resistant and heat-conductive driving board substrate;
step two: and etching the conducting circuit on the surface of the heat-resistant heat-conducting driving plate substrate to obtain the five-way and two-way based common driving plate of the intelligent ceiling lamp.
Comparative example 1:
comparative example 1 is different from example 4 in that an epoxy resin is used instead of the heat-resistant and heat-conductive resin.
Comparative example 2:
comparative example 1 is different from example 4 in that a polyetheretherketone resin is used instead of the heat-resistant and heat-conductive resin.
Comparative example 3:
comparative example 1 is different from example 4 in that a heat-resistant and heat-conductive resin to which no intermediate 8 is added is used.
The performance of the intelligent ceiling lamp based on the five paths and two paths of common drive plates in the embodiments 3-4 and the comparative examples 1-3 is detected, and the detection results are as follows:
referring to the data in the table, it can be known that the common driving board in the present invention has better heat resistance according to the comparison between the embodiment and the comparative examples 1-2, and it can be known that the heat conduction and heat dissipation performance of the common driving board can be significantly improved by adding the intermediate 8 under the condition that the heat resistance of the common driving board is not affected according to the comparison between the embodiment and the comparative example 3, so that the common driving board in the present invention has good heat resistance and heat conduction performance, which is beneficial to protecting the electronic components of the lamp and prolonging the service life of the electronic components of the lamp.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (8)
1. The intelligent ceiling lamp based on the five-way and two-way shared driving board is characterized by comprising a heat-resistant heat-conducting driving board substrate and a conducting circuit on the surface of the heat-resistant heat-conducting driving board substrate;
the common drive plate based on the five ways and two ways of the intelligent ceiling lamp is prepared by the following steps:
the method comprises the following steps: adding heat-resistant heat-conducting resin into an extruding machine, melting and extruding the heat-resistant heat-conducting resin into a mould, and demoulding to form a heat-resistant heat-conducting driving plate substrate;
step two: and etching the conducting circuit on the surface of the heat-resistant heat-conducting driving plate substrate to obtain the five-way and two-way based common driving plate of the intelligent ceiling lamp.
2. The five-way and two-way based common driving plate of the intelligent ceiling lamp according to claim 1, wherein the heat-resistant and heat-conductive resin is prepared by the following steps:
a1: adding p-fluorotoluene, benzoyl peroxide and triethanolamine into a chlorination reactor, starting an ultraviolet lamp, introducing chlorine, reacting at constant temperature, cooling a reaction product to room temperature after the reaction is finished, and introducing nitrogen to obtain an intermediate 1;
a2: adding the intermediate 1 into a four-neck flask provided with a stirrer, a constant-pressure dropping funnel and a reflux condenser tube, heating, dropwise adding a ferric trichloride solution while stirring, continuing stirring for reaction after dropwise adding is finished, standing and layering a reaction product after the reaction is finished, and distilling to obtain an intermediate 2;
a3: adding fluorobenzene and dichloroethane into a four-neck flask provided with a stirrer, a constant-pressure dropping funnel and a reflux condenser tube, stirring, adding anhydrous aluminum trichloride, continuously stirring, dropwise adding the intermediate 2 while stirring, continuously stirring at constant temperature for reaction after the dropwise addition is finished, filtering a reaction product after the reaction is finished, pouring the reaction product into ice water, standing for layering, carrying out rotary evaporation on an organic phase, recrystallizing an evaporation product, and drying to obtain an intermediate 3;
a4: adding 4, 4 '-dihydroxybiphenyl, a sodium hydroxide solution and absolute ethyl alcohol into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, stirring until the 4, 4' -dihydroxybiphenyl is completely dissolved, then dropwise adding dimethyl sulfate while stirring, stirring at constant temperature for reaction after dropwise addition is finished, cooling a reaction product to room temperature after the reaction is finished, standing, filtering and drying to obtain an intermediate 4;
a5: adding the intermediate 4, the intermediate 2 and chloroform into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, stirring, adding anhydrous ferric chloride, heating, continuing stirring for reaction, adding a hydrochloric acid solution, pouring into anhydrous methanol, carrying out vacuum filtration, and collecting a filter cake to obtain an intermediate 5;
a6: adding the intermediate 5 and chloroform into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, dropwise adding a boron trichloride-benzene solution while stirring, heating, continuously stirring for reaction, and rotationally evaporating a reaction product after the reaction is finished to obtain an intermediate 6;
a7: washing aluminum nitride powder with an ethanol solution, drying, adding the aluminum nitride powder into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, adding toluene, ultrasonically dispersing, heating while stirring, dropwise adding a silane coupling agent toluene solution, continuing stirring for reaction after the dropwise addition is finished, centrifuging and filtering a reaction product after the reaction is finished, washing a filter cake with absolute ethanol, and then placing the filter cake in a vacuum drying oven to dry to constant weight to obtain an intermediate 7;
a8: adding the intermediate 7, triethylamine and toluene into a three-neck flask provided with a stirrer, a thermometer and a constant-pressure dropping funnel, then carrying out ultrasonic dispersion, then dropwise adding chloroacetyl chloride while stirring, heating after dropwise adding, continuing stirring for reaction, centrifuging and filtering a reaction product after the reaction is finished, washing a filter cake with distilled water and saturated salt solution, and then placing the filter cake in a vacuum drying oven to be dried to constant weight to obtain an intermediate 8;
a9: adding the intermediate 3, the intermediate 6 and the intermediate 8 into a three-neck flask provided with a stirrer, a thermometer and a gas guide tube, introducing nitrogen for protection, stirring, heating, adding sodium carbonate and potassium carbonate, continuously stirring for reaction, heating, stirring at a constant temperature for reaction, pouring a reaction product into acetone for sedimentation after the reaction is finished, washing with absolute ethyl alcohol, and drying in a vacuum drying oven to constant weight to obtain the heat-resistant heat-conducting resin.
3. The five-way and two-way shared driving board based on the intelligent ceiling lamp as claimed in claim 2, wherein the dosage ratio of the p-fluorotoluene, the benzoyl peroxide and the triethanolamine in the step A1 is 1 mol: 0.2 g: 0.09g, wherein the chlorine gas introduction rate is 1.5-3.5L/min; the dosage ratio of the intermediate 1 to the ferric trichloride solution in the step A2 is 1 mol: 46.85g, wherein the mass fraction of the ferric trichloride solution is 5%; the dosage ratio of the fluorobenzene, the dichloroethane, the anhydrous aluminum trichloride and the intermediate 2 in the step A3 is 1.0 mol: 250mL of: 1.1 mol: 1.05 mol.
4. The five-way and two-way shared driving board based on the intelligent ceiling lamp as claimed in claim 2, wherein the usage ratio of the 4, 4' -dihydroxybiphenyl, the sodium hydroxide solution, the absolute ethyl alcohol and the dimethyl sulfate in the step A4 is 0.1 mol: 50mL of: 100mL of: 0.3mol, and the mass fraction of the sodium hydroxide solution is 20-40%.
5. The five-way and two-way based common driving board of the intelligent ceiling lamp according to claim 2, wherein the dosage ratio of the intermediate 4, the intermediate 2, chloroform, anhydrous ferric chloride and hydrochloric acid solution in the step A5 is 0.1 mol: 0.22 mol: 100mL of: 1.5-3.5 g: 5-15mL, wherein the mass fraction of the hydrochloric acid solution is 10-20%; the dosage ratio of the intermediate 5, chloroform and boron trichloride in the step A6 is 0.1 mol: 100mL of: 0.25 mol.
6. The five-way and two-way common driving plate based on the intelligent ceiling lamp according to claim 2, wherein the dosage ratio of the aluminum nitride powder, the toluene and the silane coupling agent toluene solution in the step A7 is 20 g: 100mL of: 1-2g, wherein the volume fraction of the ethanol solution is 50%, and the silane coupling agent toluene solution is prepared by mixing a silane coupling agent and toluene according to a mass ratio of 1: 1, wherein the silane coupling agent is a silane coupling agent KH-550; the dosage ratio of the intermediate 7, triethylamine, toluene and chloroacetyl chloride in the step A8 is 10 g: 10.2 g: 50mL of: 11.3 g.
7. The five-way and two-way based common driving board of the intelligent ceiling lamp according to claim 2, wherein the dosage ratio of the intermediate 3, the intermediate 6, the intermediate 8, the sodium carbonate and the potassium carbonate in the step A9 is 0.1 mol: 0.12 mol: 35 g: 22 g: 3.5 g.
8. Production technology of five ways and two ways of shared drive plate based on intelligent ceiling lamp is characterized by comprising the following steps:
the method comprises the following steps: adding heat-resistant heat-conducting resin into an extruding machine, melting and extruding the heat-resistant heat-conducting resin into a mould, and demoulding to form a heat-resistant heat-conducting driving plate substrate;
step two: and etching the conducting circuit on the surface of the heat-resistant heat-conducting driving plate substrate to obtain the five-way and two-way based common driving plate of the intelligent ceiling lamp.
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