CN111649001A - Fan blade, manufacturing process method and cooling and warming fan - Google Patents

Fan blade, manufacturing process method and cooling and warming fan Download PDF

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Publication number
CN111649001A
CN111649001A CN202010587912.9A CN202010587912A CN111649001A CN 111649001 A CN111649001 A CN 111649001A CN 202010587912 A CN202010587912 A CN 202010587912A CN 111649001 A CN111649001 A CN 111649001A
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CN
China
Prior art keywords
fan blade
fan
heating
brush ring
heat
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.)
Pending
Application number
CN202010587912.9A
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Chinese (zh)
Inventor
陈国畯
谢冠宏
吴平聪
沈铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Feitian Huijing Technology Co ltd
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Shenzhen Feitian Huijing Technology Co ltd
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Filing date
Publication date
Application filed by Shenzhen Feitian Huijing Technology Co ltd filed Critical Shenzhen Feitian Huijing Technology Co ltd
Priority to CN202010587912.9A priority Critical patent/CN111649001A/en
Publication of CN111649001A publication Critical patent/CN111649001A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/388—Blades characterised by construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0272—After-treatment with ovens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F24H3/0417—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems portable or mobile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2505/00—Polyamides
    • B05D2505/50—Polyimides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/22—Manufacture essentially without removing material by sintering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/90—Coating; Surface treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/171—Steel alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/173—Aluminium alloys, e.g. AlCuMgPb

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The embodiment of the invention discloses a fan blade, a manufacturing process method and a cooling and heating fan, and relates to the technical field of household appliances. The utility model provides a fan leaf includes a plurality of flabellum base members, and the coating has insulating coating on the surface of every flabellum base member, and the printing has the heat-generating body electrode on the every flabellum base member that the coating has insulating coating, and a surface of heat-generating body electrode is provided with transparent insulating layer, and the middle part printing of flabellum base member has the brush ring, and the brush ring joint has the brush head, and the brush head is connected with the power. This application flabellum base member can form an organic whole with the heat-generating body electrode, simple structure, and the security is high, and cool and warm fan structure has obtained very big simplification, has saved cool and warm fan's whole volume simultaneously, and the fan leaf is when rotatory, and the coating also generates heat simultaneously at the heat-generating body electrode on flabellum base member surface, and the heating area is big, and air thermal efficiency obtains very big promotion.

Description

Fan blade, manufacturing process method and cooling and warming fan
Technical Field
The invention relates to the technical field of household appliances, in particular to a fan blade, a manufacturing process method and a cooling and heating fan.
Background
The fan is a household appliance which utilizes a motor to drive fan blades to rotate so as to accelerate air flow. The existing fan mainly comprises a head part, a supporting part, a control device and other parts, wherein the head part generally comprises a motor, an air inlet mesh enclosure, an air outlet mesh enclosure, a head shaking part and fan blades arranged in the air inlet mesh enclosure and the air outlet mesh enclosure; the supporting part is connected the head, and controlling means such as switch, the button of adjusting the wind speed size etc. set up on the supporting part, the motor is located the one side that is close to the air inlet screen panel, and the motor rotates drives simultaneously the flabellum rotates together to the flow of air accelerates, the cold wind that the air flow formed flows from the air outlet screen panel, thereby reaches the purpose of circulated air and cool relieving summer-heat.
The existing fan can be made into a cooling and heating dual-purpose fan for use, the resistance wire or PTC is generally added in the fan to serve as a heating element in the existing warm fan, the structure of the existing warm fan is complex, the resistance wire added in the fan generates heat, the air can be heated into hot air through the heating wire by the rotating air of the fan, the indirect mode heating efficiency of the air which is heated by the heating element through air transmission is low, and multiple potential safety hazards exist.
Disclosure of Invention
In view of the above, an object of the embodiments of the present invention is to provide a fan blade, a manufacturing method thereof, and a cooling and warming fan, so as to solve the problems of low heating efficiency and potential safety hazard of the existing cooling and warming fan.
The technical scheme adopted by the invention for solving the technical problems is as follows:
according to an aspect of an embodiment of the present invention, there is provided a fan blade, including a plurality of blade substrates, wherein an insulating coating layer is coated on a surface of each blade substrate, a heating element electrode is printed on each blade substrate coated with the insulating coating layer, a transparent insulating layer is disposed on a surface of the heating element electrode, a brush ring is printed at a middle portion of the blade substrate, the brush ring includes a positive electrode end brush ring and a negative electrode end brush ring, the positive electrode end brush ring and the negative electrode end brush ring are respectively connected to an input end and an output end of the heating element electrode, the brush ring is connected to a brush head, and the brush head is connected to a power supply.
The negative electrode end brush ring and the positive electrode end brush ring are arranged on different planes.
The negative electrode end brush ring is arranged below the positive electrode end brush ring in a sinking mode.
Wherein the heating element electrode is in the shape of a flat band.
The number of the fan blade substrates is odd, and the heating element electrodes printed on each fan blade substrate are connected in series.
Wherein, the insulating coating layer is a polyimide film.
The electric brush head is provided with two contacts which are respectively connected with a positive pole and a negative pole of a power supply, and the electric brush head is fixed on the electric brush ring through an elastic sheet.
According to another aspect of the embodiments of the present invention, there is provided a manufacturing process method of a fan blade, including the steps of:
coating an insulating coating layer on one surface of the fan blade substrate;
printing a heating element electrode on the surface of the fan blade substrate coated with the insulating coating layer;
coating a transparent insulating layer on the surface of the heating element electrode;
sintering and curing the fan blade substrate coated with the heating body electrode at high temperature;
printing a brush ring in the middle of the fan blade substrate;
the brush head is fixed to the brush ring.
The sintering and curing of the fan blade substrate coated with the heating element electrode at high temperature specifically comprises the following steps: the following operations were carried out under an oxygen atmosphere,
firstly, the fan blade substrate coated with the heating element electrode is placed at the temperature of 90 ℃ and dried for about 0.5 hour;
then heating in a furnace at the speed of 2-3 ℃/min;
the sequence of heating to each section temperature and maintaining time is as follows:
heating to 400 ℃ and keeping for 3 hours;
heating to 850 deg.C and holding for 3 hr;
heating to 950-1100 deg.c and maintaining for 3.5 hr;
then cooling to 800 ℃ along with the furnace and keeping for 3 hours;
cooling to 400 ℃ and keeping for 3 hours;
and finally, naturally cooling to room temperature.
According to another aspect of the embodiment of the present invention, a cooling and warming fan is provided, which includes a motor, and the cooling and warming fan further includes the fan blade, and the fan blade is in driving connection with the motor.
For the cool and warm fan heating inefficiency of prior art, the problem of potential safety hazard exists, the fan leaf that this application embodiment provided, manufacturing process method and cool and warm fan, it has the insulating coating to coat on the surface at every flabellum base member through adopting, it has the heat-generating body electrode to print on every flabellum base member that the coating has the insulating coating, and be provided with transparent insulating layer on a surface of heat-generating body electrode, thereby flabellum base member and heat-generating body electrode can form an organic whole, moreover, the steam generator is simple in structure, and the security is high, the cool and warm fan structure of making using this application fan leaf has greatly simplified, the whole volume of cool and warm fan has been saved, the fan leaf is when rotatory, the coating is also generated heat simultaneously at the heat-generating body electrode on flabellum base member surface, the heat-generating.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic front structural view of a fan blade according to an embodiment of the present invention;
FIG. 2 is a perspective view of a fan blade provided by an embodiment of the present invention;
FIG. 3 is an exploded view of a fan blade provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a part of a cooling and heating fan provided by an embodiment of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to fig. 1 and fig. 3, which are schematic structural diagrams of a fan according to an embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.
Referring to fig. 1 to 3, an embodiment of the present application provides a fan blade 1, including a plurality of fan blade substrates 10, a surface of each fan blade substrate 10 is coated with an insulating coating 11, a heating element electrode 12 is printed on each fan blade substrate coated with the insulating coating 11, a surface of the heating element electrode 12 is provided with a transparent insulating layer 13, a middle portion of the fan blade substrate 10 is printed with a brush ring 14, the brush ring 14 includes an anode end brush ring 141 and a cathode end brush ring 142, the anode end brush ring 141 and the cathode end brush ring 142 are respectively connected to an input end and an output end of the heating element electrode 12, the brush ring 14 is connected to a brush head 15, and the brush head 15 is connected to a power supply.
In an embodiment, the negative end brush ring 142 and the positive end brush ring 141 may be disposed on different planes, and in this embodiment, the negative end brush ring 142 is disposed under the positive end brush ring 141 in a sinking manner.
The fan blade base body 10 is made of stainless steel or aluminum alloy materials, so that the strength and good heat conductivity can be guaranteed, and the fan blade can be composed of odd number of fan blade base bodies such as 3, 5, 7 and 9, so that the stability of the rotation operation of the fan blade is guaranteed.
In one embodiment, the insulating coating layer 11 is a polyimide film. The organic binder with high viscosity is coated on the fan blade base body 10 to isolate the fan blade base body 10 from the heating element electrode 12, thereby playing the role of insulating and fixing the heating element electrode 12. The coated polyimide film can withstand high temperatures of about 400 ℃, is non-fuming, and is safe and non-toxic.
The heating element electrode 12 is formed by printing slurry made of precious metal alloy powder, which may be Ag/Pd/Ru or the like, on the fan blade substrate 10 coated with the insulating coating layer, printing the slurry made of the precious metal alloy powder on the insulating coating layer 11, and then sintering and curing at a high temperature.
The shape of the heating element electrode 12 is a flat belt, and the bandwidth and the path shape thereof can be freely adjusted and designed according to the structural modeling and the power requirement of the fan blade base body 10. In the embodiment of the invention, the heating element electrode 12 is arranged in a three-dimensional curved surface according to the shape of the fan blade base body 10, and is completely attached to and hidden on the surface of the fan blade base body 10, so that redundant structures and wind resistance conditions are avoided. As shown in fig. 1, the heating element electrodes 12 coated on each fan blade substrate are connected in series, and the input end and the output end of the heating element electrode 12 are respectively connected to the positive electrode end brush ring 141 and the negative electrode end brush ring 142 of the brush ring 14, that is, the input end and the output end of the heating element electrode 12 are respectively connected to the positive electrode and the negative electrode of the power supply. The negative end brush ring 142 (which is disposed on the inner side in the drawing and is also referred to as an inner ring) and the positive end brush ring 141 (which is disposed on the outer side in the drawing and is referred to as an outer ring) are arranged in a sinking manner, so as to avoid bypassing the positive end brush ring 141, and an insulating material is coated at a position where the negative end brush ring 142 and the positive end brush ring 141 may intersect to insulate, and then the negative end brush ring 142 (the inner ring) is connected.
The surface of the heating element electrode 12 is coated with a transparent insulating layer 13 for protection, and the transparent insulating layer 13 is prepared by mixing nano-alumina ceramic powder and transparent synthetic chelating resin. The adoption is that the transparent insulating layer 13 coated on the surface of the heating element electrode 12 does not influence the appearance and can play a role in isolating the humid air, so that the heating element electrode 12 is not easy to rust, and simultaneously, the protection function can be played to prevent the human body from being accidentally electrocuted, thereby greatly improving the safety.
The brush ring 14 is printed in the middle of the fan blade 1 in the same coating manner as the heating element electrode 12, and the material of the brush ring 14 is made of metal with smoothness, wear resistance, good conductivity and the like, such as copper, silver and molybdenum. The brush ring 14 is connected by contact with a brush head 15, thereby introducing an external power source to the heating element electrode 12.
The brush head 15 can be fixed in the bracket of the fan blade 1 through a structural design, and specifically, a contact of the brush head can be tightly pressed on a brush ring by adopting an elastic sheet or a spring so as to ensure the stability of electrical connection. In this embodiment, the brush head 15 has two contacts, which are respectively connected to the positive pole and the negative pole of the power supply. The brush head 15 is fixed on the brush ring 14 through a spring sheet. The two contacts of the electric brush head 15 are continuously contacted with the brush rings at the positive and negative ends, thereby ensuring that the current can be uninterruptedly transmitted to the input end and the output end of the electrode 12 of the heating element in the rotation process of the fan.
The fan leaf that this application embodiment provided has insulating coating 11 through coating on the surface at every flabellum base member 10, print heat-generating body electrode 12 on every flabellum base member 10 that has insulating coating 11 in the coating, and be provided with transparent insulating layer 13 on a surface of heat-generating body electrode 12, thereby flabellum base member 10 can form integratively with heat-generating body electrode 12, moreover, the steam generator is simple in structure, the security is high, the fan leaf is rotatory, the coating also generates heat simultaneously at the heat-generating body electrode 12 on flabellum base member 10 surface, the heat-generating area is big, air heat-rising efficiency obtains very big promotion.
The embodiment of the present application further provides a fan blade manufacturing process method, which is used for manufacturing the fan blade, and the fan blade manufacturing process method includes the following steps:
s201, coating an insulating coating layer 11 on one surface of a fan blade base body 10;
s202, printing a heating element electrode 12 on the surface of the fan blade substrate 10 coated with the insulating coating layer 11;
s203, coating a transparent insulating layer 13 on the surface of the heating element electrode 12;
s204, sintering and curing the fan blade substrate coated with the heating element electrode 12 at high temperature;
s205, printing the brush ring 14 in the middle of the fan blade base body 12;
s206, the brush head 15 is fixed to the brush ring 14.
The fan blade base 10 is made of stainless steel or aluminum alloy material, and the fan blade is composed of a plurality of fan bases 10.
S201 coating an insulating coating layer 11 on a surface of the fan blade substrate 10 specifically includes: one surface of the fan blade base body 10 is coated with a polyimide film which has a strong adhesive force and can be firmly combined with the fan blade base body, thereby isolating the fan blade base body 10 from the heating body electrode 12.
S202 printing the heating element electrode 12 on the surface of the fan blade substrate 10 coated with the insulating coating layer 11 specifically includes the steps of: preparing noble metal alloy powder into slurry; the noble metal can be Ag/Pd/Ru and the like;
and printing the slurry on a fan blade substrate coated with the surface of the insulating coating layer 11 to form the heating element electrode 12.
The bandwidth and the path shape of the heating element electrode 12 can be freely adjusted and designed according to the structural model of the fan blade base body and the power requirement of the product. In this embodiment, the heating element electrode 12 is formed in a flat band shape, and is completely attached to and hidden on the surface of the fan blade base.
S203 coating the transparent insulating layer 13 on the surface of the heating element electrode 12 includes:
mixing nano-alumina ceramic powder with transparent synthetic chelating resin to prepare transparent insulating slurry;
and coating the prepared transparent insulating slurry on the surface of the heating element electrode 12, and curing to form the transparent insulating layer 13.
S204, sintering and curing the fan blade substrate coated with the heating element electrode 12 at a high temperature specifically comprises:
the following operations were carried out under an oxygen atmosphere,
firstly, the fan blade matrix 10 coated with the heating element electrode 12 is placed at the temperature of 90 ℃ and dried for about 0.5 hour;
then heating in a furnace at the speed of 2-3 ℃/min;
the sequence of heating to each section temperature and maintaining time is as follows:
heating to 400 ℃ and keeping for 3 hours;
heating to 850 deg.C and holding for 3 hr;
heating to 950-1100 deg.c and maintaining for 3.5 hr;
then cooling to 800 ℃ along with the furnace and keeping for 3 hours;
cooling to 400 ℃ and keeping for 3 hours;
and finally, naturally cooling to room temperature.
After the heating and curing, the brush ring 14 is printed on the middle part of the fan blade substrate after the cooling and curing. An upper brush head 15 is then secured to the brush ring to energize the power source, thus forming the fan blade of the embodiment of the present application.
This application embodiment the manufacturing process method of fan leaf is simple, through coating insulating coating 11 on the surface at every flabellum base member 10, it has heat-generating body electrode 12 to print on every flabellum base member that coats insulating coating 11, and be provided with transparent insulating layer 13 on a surface of heat-generating body electrode 12, thereby flabellum base member 10 can form an organic whole with heat-generating body electrode 12, moreover, the steam generator is simple in structure, the security is high, the fan leaf is when rotatory, the coating is also generated heat simultaneously at the heat-generating body electrode on flabellum base member 10 surface, the heat-generating area is big, air heat-rising efficiency obtains very big promotion.
Referring to fig. 4, the cooling and heating fan includes a fan blade 1, a motor 20 in driving connection with the fan blade 1, and a base (not shown) vertically connected to the fan blade 1. When the motor 20 is started, the fan blade 1 is driven to rotate. The specific structure of the fan blade 1 has been described in the above embodiments, and is not described herein again.
In this embodiment, motor 20 installs the rear side at fan leaf 1, and at the during operation, wind passes through motor 20 earlier, passes through fan leaf 1 again, and the heat-generating body electrode heating through fan leaf simultaneously then sends to the service environment in to reach the warm braw effect, use this application embodiment cool and warm fan, air have faster temperature effect that rises. In the present application, the motor and the heating element electrode 12 are controlled by two different power supplies, so that the wind speed and the heating power can be controlled independently.
The cooling and heating fan can be used at different seasons according to environmental requirements, for example, in summer, the fan works in a cooling mode, the heating body electrode 12 does not work when being powered on, only the motor works, and the effect of the fan is equivalent to that of a common fan; and when the winter and autumn, can choose to work in the warm braw mode, heating element electrode 12 and motor 20 work together, the wind is heated to certain temperature after the fan leaf and is sent to the user and supplied the heating in the front, heating element electrode 12 and motor 20 can be controlled alone, provide different thermal power and wind speed. Therefore, the cooling and heating fan can be used in four seasons, and the use time is long.
This application embodiment cool and warm fan adopts and to coat on the surface at every flabellum base member 10 and have insulating coating 11, it has heat-generating body electrode 12 to print on every flabellum base member 10 of insulating coating 11 to coat, and be provided with transparent insulating layer 13 on a surface at heat-generating body electrode 12, thereby flabellum base member 10 can form an organic whole with heat-generating body electrode 12, moreover, the steam generator is simple in structure, the security is high, cool and warm fan structure has greatly been simplified, the whole volume of cool and warm fan has been saved, the fan leaf is when rotatory, the coating is also generated heat simultaneously at the heat-generating body electrode 12 on flabellum base member 10 surface, the heat-generating area is big, air heating efficiency obtains very.
The cooling and heating fan has the advantages of compact structure, concise appearance, safety, energy conservation, long service life, high heat efficiency and the like, can replace most of the heating fans and heating electric appliances, and is widely applied to commercial places such as office buildings, hotels and the like and indoor heating.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and are not to be construed as limiting the scope of the invention. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present invention are intended to be within the scope of the claims.

Claims (10)

1. The utility model provides a fan blade, includes a plurality of flabellum base members, its characterized in that, the coating has insulating coating on the surface of every flabellum base member, the printing has the heat-generating body electrode on every flabellum base member that the coating has insulating coating, a heat-generating body electrode is provided with transparent insulating layer on the surface, the middle part printing of flabellum base member has the brush ring, the brush ring includes positive pole end brush ring and negative pole end brush ring, just, negative pole end brush ring is connected respectively the input, the output of heat-generating body electrode, the brush ring is connected with the brush head, and the brush head is connected with the power.
2. The fan blade of claim 1 wherein said negative end brush rings are disposed in different planes than said positive end brush rings.
3. The fan blade of claim 2, wherein said negative end brush ring is routed down below said positive end brush ring.
4. The fan blade according to claim 1, wherein the shape of the heat-generating body electrode is a flat band shape.
5. The fan blade according to claim 1, wherein the number of the blade substrates is an odd number, and the heating element electrodes printed on each of the blade substrates are connected in series.
6. The fan blade according to any of claims 1-5, wherein the insulating coating layer is a polyimide film.
7. The fan blade of claim 6, wherein the brush head has two contacts, the two contacts are connected to a positive pole and a negative pole of a power supply respectively, and the brush head is fixed on the brush ring through a spring piece.
8. A process for manufacturing a fan blade according to any one of claims 1 to 7, comprising the steps of:
coating an insulating coating layer on one surface of the fan blade substrate;
printing a heating element electrode on the surface of the fan blade substrate coated with the insulating coating layer;
coating a transparent insulating layer on the surface of the heating element electrode;
sintering and curing the fan blade substrate coated with the heating body electrode at high temperature;
printing a brush ring in the middle of the fan blade substrate;
the brush head is fixed to the brush ring.
9. The manufacturing process of fan blades according to claim 8, wherein the sintering and curing of the fan blade substrate coated with the electrodes of the heating element at high temperature specifically comprises: the following operations were carried out under an oxygen atmosphere,
firstly, the fan blade substrate coated with the heating element electrode is placed at the temperature of 90 ℃ and dried for about 0.5 hour;
then heating in a furnace at the speed of 2-3 ℃/min;
the sequence of heating to each section temperature and maintaining time is as follows:
heating to 400 ℃ and keeping for 3 hours;
heating to 850 deg.C and holding for 3 hr;
heating to 950-1100 deg.c and maintaining for 3.5 hr;
then cooling to 800 ℃ along with the furnace and keeping for 3 hours;
cooling to 400 ℃ and keeping for 3 hours;
and finally, naturally cooling to room temperature.
10. A cooling and warming fan comprising a motor, wherein the cooling and warming fan further comprises a fan blade according to any one of claims 1 to 7, and the fan blade is in driving connection with the motor.
CN202010587912.9A 2020-06-24 2020-06-24 Fan blade, manufacturing process method and cooling and warming fan Pending CN111649001A (en)

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CN113153781A (en) * 2021-03-26 2021-07-23 黄志明 Heat generating fan and manufacturing method thereof

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CN108503391A (en) * 2018-04-10 2018-09-07 珠海惠友电子有限公司 A kind of manufacturing process of ceramic heating part
CN208475528U (en) * 2018-07-04 2019-02-05 厦门大学嘉庚学院 A kind of fan type equipment of both cooling and heating

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Publication number Priority date Publication date Assignee Title
CN2306351Y (en) * 1997-02-20 1999-02-03 陈立超 Cold-hot dual-purpose electric fan
JP2000077167A (en) * 1998-08-31 2000-03-14 Kyocera Corp Planar heating element
CN104953009A (en) * 2015-05-21 2015-09-30 深圳市联建光电股份有限公司 Transparent LED module manufacturing method
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CN113153781A (en) * 2021-03-26 2021-07-23 黄志明 Heat generating fan and manufacturing method thereof

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