WO2003078846A1 - Fan usable also as heater - Google Patents

Fan usable also as heater Download PDF

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Publication number
WO2003078846A1
WO2003078846A1 PCT/JP2002/002578 JP0202578W WO03078846A1 WO 2003078846 A1 WO2003078846 A1 WO 2003078846A1 JP 0202578 W JP0202578 W JP 0202578W WO 03078846 A1 WO03078846 A1 WO 03078846A1
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WO
WIPO (PCT)
Prior art keywords
fan
heating element
heater
protection net
motor case
Prior art date
Application number
PCT/JP2002/002578
Other languages
French (fr)
Japanese (ja)
Inventor
Tadashi Sato
Original Assignee
Tadashi Sato
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tadashi Sato filed Critical Tadashi Sato
Priority to JP2003576820A priority Critical patent/JP3532562B2/en
Priority to CN02800026.9A priority patent/CN1252391C/en
Priority to PCT/JP2002/002578 priority patent/WO2003078846A1/en
Publication of WO2003078846A1 publication Critical patent/WO2003078846A1/en

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • 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

Definitions

  • the present invention relates to a fan that is used as a fan in summer and used as a heater in winter.
  • the electric fan is an electric appliance used only in the summer, and is stored in the storage outside of the summer.
  • heaters are electrical appliances that are used only in winter, and are stored in storage outside winter. It takes time to store and remove these appliances each time the season changes, and it is necessary to secure a large storage space.
  • WO 00/58669 discloses a fan / heater that can be used as a fan or a heater as required. The method of changing this heater / fan from being used as a fan to being usable as a heater is as follows. First, remove all the front and rear protection nets that cover the rotating blades and the rotating blades from the motor case that houses the fan motor.
  • a parabolic reflector formed almost in the same shape as the rear protection net is attached to the motor case.
  • a heating element unit is attached so as to cover the motor shaft from which the rotating blades have been removed.
  • Heating element When installing the heat sink, the heating element is connected to the power socket provided on the front of the motor case with an electric cord, and the electric cord is stored together with the motor shaft in the cavity inside the heating element unit, and the heat is generated. Work to fix the body to the motor case with screws. As described above, it can be used as a heater for irradiating the heat rays from the heating element forward with the reflector.
  • the operation panel is provided with a switch for adjusting the air flow of the fan and a switch for adjusting the heat of the heater. Disclosure of the invention
  • An object of the present invention is to provide a heater / heater fan which facilitates the work for changing from a fan to a heater or the work for changing from a heater to a fan and has improved operability.
  • a fan combined with a heater according to the present invention includes: a stand; a motor case supported by the stand and having a built-in fan motor; a rear protection net attached to the motor case; and a boss formed at a front portion of the motor case.
  • a motor shaft protruding from the fan motor to the front of the motor case through a through hole formed in the front surface of the boss portion; a rotation detachably held by the motor shaft and covering the rear with the rear protection net.
  • a blade, and a front protection net having a rear edge detachably attached to a front edge of the rear protection net to cover the rotary blade from the front, wherein the rear protection net and the rotary blade have a front protection net.
  • a plurality of petals extending from the boss portion in the radial direction of the boss portion in a petal shape to form a parabolic reflector as a whole.
  • a plurality of divided reflectors wherein the divided reflector is rotatable in a circumferential direction of the boss portion.
  • the boss portion is foldable in a state of being overlapped in the longitudinal direction of the boss portion, and a heating element can be attached in front of the parabolic reflector with the rotating blades removed.
  • the power supply socket connected to the heating element is provided on the stand.
  • the petal-shaped split reflector in winter to form a parabolic reflector, it is possible to efficiently reflect the heat rays of the heating element and ensure heater performance, while in summer, the reflector is used.
  • By simply folding the fan without removing it it is possible to prevent the flow of air from being interrupted by the rotating blades of the fan. There is no need to remove the rear protection net and replace it with a reflector, or store the removed reflector.
  • a heating element holding net having a heat insulating cover at the center and a heating element behind the heat insulating cover can be attached. Therefore, the work of mounting the heating element can be completed only by replacing the front protection net with the heating element holding net. In addition, the work of connecting the heating element and the power socket can be completed after the heating element holding net is attached. Furthermore, the fan motor and the heating element are separated, making it easy to take measures against interference between the components of the heating element and the motor shaft, and thermal degradation of the fan motor due to conduction heat of the heating element.
  • the heating element is formed in an annular shape, is disposed so as to be coaxial with the parabolic reflection plate, and has a tapered reflection surface extending rearward in the inner ring portion. Is inserted. Therefore, the heat rays emitted from the heat generator are directed to the reflector through the reflector tube, thereby improving the heat efficiency. The heat deterioration of the fan motor is reliably prevented without shooting.
  • a reflection surface is provided on a rear surface of the heat insulating cover. Therefore, the heat rays directed to the heat insulating cover are directed to the parabolic reflector, and the heater efficiency is further improved.
  • the heating element holding net is provided with a plurality of reinforcing metal fittings for connecting a rear edge and the heat insulating cover, while the rear protective cover has the front edge and the front edge.
  • a plurality of reinforcing brackets for connecting the mounting portions of the motor case are provided so as to correspond to the reinforcing brackets of the heating element holding net, and the reinforcing brackets are mutually connected at a joining portion of the rear edge and the front edge. To be fitted. Therefore, the heating element attached to the heat insulating cover is stably supported.
  • the heating element and the power socket are connected by an electric cord, and the electric code has heat resistance and is routed along the heating element holding net. Therefore, the electric cord is not hooked by hand during the replacement work.
  • the operation switch provided on the stand is selectively used as an air volume adjustment of the fan motor or a heat volume adjustment of the heating element by a switch for switching the electric fan and the heater. it can. Therefore, the operability when selecting a desired switch is improved.
  • FIG. 1 is an assembly drawing of a heater / heater of the present invention.
  • Fig. 2 shows the reinforcing metal for the rear protection net and the front protection net or heating element holding net. It is a figure which shows the connection part of a reinforcement metal fitting.
  • FIG. 3 is a front view showing a state in which the split reflector is expanded to form a parabolic reflector.
  • FIG. 4 is a sectional view taken along line AA of FIG.
  • FIG. 5 is a front view showing a state where the split reflector is folded.
  • FIG. 6 is a sectional view taken along line BB of FIG.
  • FIG. 7 is a diagram showing a relationship between two adjacent divided reflectors in a state where a parabolic reflector is formed.
  • FIG. 8 is a wiring diagram showing a connection relationship between an operation switch for air volume adjustment or heat amount adjustment and a switching switch.
  • reference numeral 1 denotes a stand, a base 11 for installing the fan on the floor, an operation switch 12 provided on the base 11 for adjusting the air flow of the fan, and switching between the fan and the heater. It has a switch 13 and a pole portion 14 extending upward from the base 11.
  • a cylindrical motor case 2 having a built-in fan motor 2a is swingably supported at the upper end of the pole portion 14.
  • a rear protection net 3 formed in a parabolic shape by a plurality of bars 3a extending from the attachment portion 35 to the motor case 2 to the annular front edge 36. It is installed so that it opens forward.
  • a cylindrical boss 21 is formed on the front surface of the motor case 2, and a through hole 22 is formed at the center of the front surface.
  • the motor shaft 23 of the fan motor 2a penetrates the through hole 22 and projects forward.
  • the motor shaft 23 holds the rotating blades 31 of the fan detachably.
  • a screw is formed at the end of the motor shaft 23, and a bag-shaped nut 32 is tightened to this screw.
  • the rotary blade 31 is held.
  • a front protection net 4 formed in a parabolic shape by a plurality of crosspieces 4 a extending from the central tournament portion 42 to the annular rear edge portion 46 is provided in front of the rotating blades 31. I have.
  • the front protection net 4 is overlapped with the front edge 36 of the rear protection net 3 so that the rear edge 46 overlaps the rotating blade 31 from the front, and the front protection net 4 is attached to the front protection net 3. It is attached so that it can be easily attached and detached with a hook (not shown).
  • the rear protection net 3 includes, in addition to the cross section 3 a of the rear protection net 3, a rod-shaped reinforcing bracket 3 for connecting the mounting portion 35 to the motor case 2 and the front edge 36. 4 are attached (4 or more).
  • the distal end portion 34a of the reinforcing metal member 34 is formed as an opening in a hollow pipe shape.
  • the front protection net 4 has four (multiple) rod-shaped reinforcement brackets connecting the ornament part 42 and the rear edge part 46 at positions corresponding to the reinforcement brackets 34 of the rear protection net 3. 4 4 is installed. As shown in FIG.
  • the distal end portion 4 4a of the reinforcing metal fitting 4 4 is connected to the distal end portion 4 4a of the reinforcing metal fitting 3 4 in a state where the rear protection net 3 and the front protection net 4 are overlapped.
  • the two nets 3 and 4 are designed to be firmly connected to each other.
  • each of the divided reflectors 24 is formed of a thin metal plate, and the front surface is a reflecting surface.
  • a circular hole 24a is formed at one end of each of the divided reflectors 24.
  • a hook 2 4 b for hooking 2 4 is provided.
  • a clasp that connects the two split reflectors at both ends is separately set in order to maintain the parabolic shape.
  • the heating element holding net 5 shown in FIG. 1 can be attached in place of the above-mentioned front protection net 4 with the rotating blades 31 removed.
  • the heating element holding net 5 is formed in a parabolic shape having the same shape as the front protection net 4 by a crosspiece 5a extending from the heat insulating cover 52 at the center to the annular rear edge 56.
  • a heating element 51 is provided behind the cover 52.
  • the heating element holding net 5 is, like the front protection net 4, a t- shaped reinforcing bracket 54 to which a bar-shaped reinforcing bracket 54 connecting the heat insulating cover 52 and the rear edge 56 is attached.
  • 4a is the reinforcing bracket, as also shown in Figure 2.
  • a reflecting tube 53 having a tapered reflecting surface 53a extending rearward is provided upright.
  • a reflection surface 52a is provided on a portion of the rear surface of the heat insulating cover 52 other than a portion where the reflection tube 53 is installed.
  • the heating element 51 is formed by forming a generally used heating wire in a ring shape, and surrounds the reflecting surface 53 a of the reflecting cylinder 53. Held in state.
  • the heating element 51 operates by being connected to a power socket 15 provided on a pole section 14 of the stand 1.
  • the electrical cord 55 connecting the heating element 51 and the power socket 15 is heat-resistant, and runs along one of the metal fittings 54 of the heating element holding net 5 toward the rear edge 56.
  • the electric cord 55 further extends from the trailing edge 56 and has a plug 55 a at the tip that is inserted into the power socket 15.
  • Reference numeral 12a denotes a fan power supply off switch
  • reference numerals 12b to 12c denote fan power supply on switches capable of setting the air flow to small, medium, and large, respectively.
  • the switching switch 13 can be used as an operation switch for adjusting the amount of heat of the heating element 51. That is, 12a is a heater power-off switch, and 12b to 12c are power-on switches that can set the heater heat to small, medium, and large, respectively.
  • the heating element holding net 5 having the heating element is attached instead of the front protection net 4, but the heating element may be attached to the front protection net 4.
  • the split reflectors 24 are folded so that they overlap in the longitudinal direction of the boss 21 as shown in Fig. 4.
  • the rotating blades 31 and the front protection net 4 are attached, and the switching switch 13 is set to the fan side.
  • the rotating blades 31 rotate. Since the split reflector 24 is folded, it functions as a fan without obstructing the flow of wind.
  • the rotating blades 31 and the front protection net 4 are removed, and as shown in Fig. 3, the split reflector 24 is expanded to form a parabolic reflector. Then, the heating element holding net 5 is attached, and the switching switch 13 is set to one side of the heater. By operating the operation switches 12b to 12d in this state, a heating wire is emitted forward from the heating element 51 via the reflection plate, thereby exhibiting a function as a heater.

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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)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)

Abstract

A fan usable also as a heater can easily switch between a heater function and a fan function. The fan comprises a back protective net (3) fitted to a motor case (2), a boss part (21) formed on the front of the motor case (2), a motor shaft (23) protruded forward from the motor case (2) through a through hole (22) in the boss part (21), rotary blades (31) detachably held by the motor shaft (23), and a front protective net (4) detachably fitted to the front edge of the back protective net. The fan further comprises split reflection plates (24) which are disposed at an intermediate part between the back protective net (4) and the rotary blades (31) and extended like petals in the radial direction of the boss part (21) from the boss part (21) to form a parabolic reflection plate as a whole. The split reflection plates (24) are supported rotatably in the circumferential direction of the boss part (21) and foldable in to an overlapping form in the longitudinal direction of the boss part (21). A heating body (51) can be fitted to a position in front of the parabolic reflection plate with the rotary blades (31) detached therefrom, and a power supply receptacle (15) to be connected to the heating body (51) is provided.

Description

明細書 ヒーター兼用扇風機 技術分野  Description Heater / fan
本発明は、 夏期は扇風機として使用され、 冬期はヒーターとして使用さ れるヒーター兼用扇風機に関する。 背景技術  The present invention relates to a fan that is used as a fan in summer and used as a heater in winter. Background art
扇風機は、 夏期にのみ使用される電化製品であって、 夏期以外は収納庫 に収納されている。 一方、 ヒーターは、 冬期にのみ使用される電化製品で あって、 冬期以外は収納庫に収納されている。 これらの電化製品について は、 季節が変わるたびに収納したり、 取り出したりする手間がかかり、 ま た大きな収納スペースを確保しておく必要がある。 この問題を解決する手 段として、 国際公開公報 W O 0 0 / 5 8 6 6 9号において、 必要に応じて 扇風機またはヒーターとして使用することができるようにしたヒーター兼 用扇風機が開示されている。 このヒーター兼用扇風機を扇風機として使用 している状態からヒーターとして使用できる状態に変更する方法は次のと おりである。 まず、 回転羽根および回転羽根を覆う前方保護ネッ トおよび 後方保護ネッ トのすべてを、 ファンモーターを内蔵するモーターケースか ら取り外す。 次に、 後方保護ネッ トとほぼ同形状に形成されたパラボラ形 の反射板をモーターケースに取り付ける。 次に、 回転羽根が取り外された モーターシャフ トを覆うように発熱体ュニッ トを取り付ける。 発熱体ュ- ッ トを取り付ける際には、 発熱体をモーターケースの前面に設けられた電 源ソケッ トと電気コードで接続し、 電気コードを発熱体ュニッ ト内部の空 洞部にモーターシャフトとともに格納し、 発熱体をモーターケースにネジ 締め固定する作業を行う。 以上により、 発熱体からの熱線を反射板で前方 に照射させるヒーターとしても使用できるものである。 なお、 操作パネル には、 扇風機の風量調整スィツチとヒーターの熱量調整スィツチが別個に 備えられる。 発明の開示 The electric fan is an electric appliance used only in the summer, and is stored in the storage outside of the summer. On the other hand, heaters are electrical appliances that are used only in winter, and are stored in storage outside winter. It takes time to store and remove these appliances each time the season changes, and it is necessary to secure a large storage space. As a means for solving this problem, WO 00/58669 discloses a fan / heater that can be used as a fan or a heater as required. The method of changing this heater / fan from being used as a fan to being usable as a heater is as follows. First, remove all the front and rear protection nets that cover the rotating blades and the rotating blades from the motor case that houses the fan motor. Next, a parabolic reflector formed almost in the same shape as the rear protection net is attached to the motor case. Next, a heating element unit is attached so as to cover the motor shaft from which the rotating blades have been removed. Heating element When installing the heat sink, the heating element is connected to the power socket provided on the front of the motor case with an electric cord, and the electric cord is stored together with the motor shaft in the cavity inside the heating element unit, and the heat is generated. Work to fix the body to the motor case with screws. As described above, it can be used as a heater for irradiating the heat rays from the heating element forward with the reflector. The operation panel is provided with a switch for adjusting the air flow of the fan and a switch for adjusting the heat of the heater. Disclosure of the invention
本発明の目的は、 扇風機からヒーターに変更するための作業、 あるいは ヒーターから扇風機に変更するための作業の容易化を図るとともに、 操作 性を向上したヒーター兼用扇風機を提供することにある。  An object of the present invention is to provide a heater / heater fan which facilitates the work for changing from a fan to a heater or the work for changing from a heater to a fan and has improved operability.
本発明のヒーター兼用扇風機は、 スタンドと、 該スタンドに支持されフ ァンモーターを内蔵するモーターケースと、 該モーターケースに取り付け られる後方保護ネッ トと、 前記モーターケースの前部に形成されたボス部 と、 該ボス部の前面に形成された貫通孔を通して前記フアンモーターから 前記モーターケースの前方に突出するモーターシャフトと、 該モーターシ ャフトに着脱可能に保持されて後方を前記後方保護ネッ トに覆われる回転 羽根と、 後縁部が前記後方保護ネッ トの前縁部に着脱可能に取り付けられ て前記回転羽根を前方から覆う前方保護ネッ トとを有し、 前記後方保護ネ ッ トと前記回転羽根の中間部において前記ボス部から前記ボス部の半径方 向に花びら状に延びて全体としてパラボラ形の反射板を形成する複数の分 割反射板を備えており、 前記分割反射板は前記ボス部の周方向に回動自在 に支持されて前記ボス部の長手方向に重なった状態で折り畳み可能とされ ており、 前記回転羽根を取り外した状態で前記パラボラ形の反射板の前方 に発熱体が取り付け可能とされており、 前記発熱体と接続される電源ソケ ッ トが前記スタンドに備えられていることを特徴とする。 A fan combined with a heater according to the present invention includes: a stand; a motor case supported by the stand and having a built-in fan motor; a rear protection net attached to the motor case; and a boss formed at a front portion of the motor case. A motor shaft protruding from the fan motor to the front of the motor case through a through hole formed in the front surface of the boss portion; a rotation detachably held by the motor shaft and covering the rear with the rear protection net. A blade, and a front protection net having a rear edge detachably attached to a front edge of the rear protection net to cover the rotary blade from the front, wherein the rear protection net and the rotary blade have a front protection net. At the intermediate portion, a plurality of petals extending from the boss portion in the radial direction of the boss portion in a petal shape to form a parabolic reflector as a whole. A plurality of divided reflectors, wherein the divided reflector is rotatable in a circumferential direction of the boss portion. The boss portion is foldable in a state of being overlapped in the longitudinal direction of the boss portion, and a heating element can be attached in front of the parabolic reflector with the rotating blades removed. The power supply socket connected to the heating element is provided on the stand.
したがって、 冬期は花びら状の分割反射板をパラボラ形の反射板を形成 するように広げることで、 発熱体の熱線を効率的に反射してヒーター性能 を確保することができる一方、 夏期は反射板を取り外さずに折り畳むだけ で、 扇風機の回転羽根による風の流れを阻害しないようにすることができ る。 後方保護ネッ トを取り外して反射板に取り替えたり、 取り外した反射 板を収納したりする必要が無い。  Therefore, by spreading the petal-shaped split reflector in winter to form a parabolic reflector, it is possible to efficiently reflect the heat rays of the heating element and ensure heater performance, while in summer, the reflector is used. By simply folding the fan without removing it, it is possible to prevent the flow of air from being interrupted by the rotating blades of the fan. There is no need to remove the rear protection net and replace it with a reflector, or store the removed reflector.
本発明のヒーター兼用扇風機は、 前記前方保護ネッ トに代えて、 中央部 に断熱カバーを備え該断熱カバーの後方に発熱体を備えた発熱体保持ネッ トが取り付け可能とされている。 したがって、 前方保護ネッ トを発熱体保 持ネッ トに取り替えるだけで発熱体の取り付け作業を済ませることができ る。 また、 発熱体と電源ソケッ トの結線作業は発熱体保持ネッ トを取り付 け後に済ませることができる。 さらに、 ファンモーターと発熱体が隔離さ れており、 発熱体の構成部品とモーターシャフ トの干渉や、 発熱体の伝導 熱によるファンモーターの熱劣化への対策が容易となる。  In the electric fan / heater of the present invention, instead of the front protection net, a heating element holding net having a heat insulating cover at the center and a heating element behind the heat insulating cover can be attached. Therefore, the work of mounting the heating element can be completed only by replacing the front protection net with the heating element holding net. In addition, the work of connecting the heating element and the power socket can be completed after the heating element holding net is attached. Furthermore, the fan motor and the heating element are separated, making it easy to take measures against interference between the components of the heating element and the motor shaft, and thermal degradation of the fan motor due to conduction heat of the heating element.
本発明のヒーター兼用扇風機は、 前記発熱体は環状に形成されて、 前記 パラボラ形の反射板と同軸心となるように配設され、 内環部に後方に広が るテーパー状の反射面を有する反射筒が挿入されている。 したがって、 発 熱体から発せられる熱線が、 反射筒を介して反射板に向けられるためにヒ 一ター効率が向上し、 また、 反射筒により遮られてモーターシャフ トに直 射せずファンモーターの熱劣化が確実に防止される。 In the electric fan / heater of the present invention, the heating element is formed in an annular shape, is disposed so as to be coaxial with the parabolic reflection plate, and has a tapered reflection surface extending rearward in the inner ring portion. Is inserted. Therefore, the heat rays emitted from the heat generator are directed to the reflector through the reflector tube, thereby improving the heat efficiency. The heat deterioration of the fan motor is reliably prevented without shooting.
本発明のヒーター兼用扇風機は、 前記断熱カバーの後面には反射面が備 えられている。 したがって、 前記断熱カバーに向かう熱線がパラボラ形の 反射板に向けられ、 ヒーター効率がより一層向上する。  In the electric fan / heater of the present invention, a reflection surface is provided on a rear surface of the heat insulating cover. Therefore, the heat rays directed to the heat insulating cover are directed to the parabolic reflector, and the heater efficiency is further improved.
本発明のヒーター兼用扇風機は、 前記発熱体保持ネッ トには後縁部と前 記断熱カバーを連結する複数の補強金具が設けられている一方、 前記後方 保護カバーには前記前縁部と前記モーターケースの取り付け部を連結する 複数の補強金具が前記発熱体保持ネッ トの補強金具と対応するように設け られており、 前記後縁部と前記前縁部の合わせ部において前記補強金具が 相互に嵌め合わされる。 したがって、 断熱カバーに取り付けられた発熱体 が安定的に支持される。  In the electric fan / heater of the present invention, the heating element holding net is provided with a plurality of reinforcing metal fittings for connecting a rear edge and the heat insulating cover, while the rear protective cover has the front edge and the front edge. A plurality of reinforcing brackets for connecting the mounting portions of the motor case are provided so as to correspond to the reinforcing brackets of the heating element holding net, and the reinforcing brackets are mutually connected at a joining portion of the rear edge and the front edge. To be fitted. Therefore, the heating element attached to the heat insulating cover is stably supported.
本発明のヒーター兼用扇風機は、 前記発熱体と前記電源ソケッ トは電気 コードで接続され、 該電気コードは耐熱性を有すると共に、 前記発熱体保 持ネッ トに沿って配索されている。 したがって、 取り替え作業時に手で電 気コードを引っ掛けることがない。  In the electric fan / heater of the present invention, the heating element and the power socket are connected by an electric cord, and the electric code has heat resistance and is routed along the heating element holding net. Therefore, the electric cord is not hooked by hand during the replacement work.
本発明のヒーター兼用扇風機は、 扇風機おょぴヒーターの切替えスィッ チにより、 前記スタン ドに配設された操作スィッチを、 前記ファンモータ 一の風量調整あるいは前記発熱体の熱量調整として選択的に使用できる。 したがって、 所望のスィツチを選択する際の操作性が向上する。 図面の簡単な説明  In the electric fan / heater of the present invention, the operation switch provided on the stand is selectively used as an air volume adjustment of the fan motor or a heat volume adjustment of the heating element by a switch for switching the electric fan and the heater. it can. Therefore, the operability when selecting a desired switch is improved. BRIEF DESCRIPTION OF THE FIGURES
第 1図は、 本発明のヒーター兼用扇風機の組立て図である。 第 2図は、 後方保護ネッ トの補強金具と、 前方保護ネッ トまたは発熱体保持ネッ トの 補強金具の連結部を示す図である。 第 3図は、 分割反射板が広げられて、 パラボラ形の反射板が形成された状態を示す正面図である。 第 4図は、 第 3図の A— A断面図である。 第 5図は、 分割反射板が折り畳まれた状態を 示す正面図である。 第 6図は、 第 5図の B— B断面図である。 第 7図は、 パラボラ形の反射板が形成された状態において隣接する 2枚の分割反射板 の関係を示す図である。 第 8図は、 風量調整または熱量調整の操作スイツ チと切替えスィツチの接続関係を示す配線図である。 発明を実施するための最良の形態 FIG. 1 is an assembly drawing of a heater / heater of the present invention. Fig. 2 shows the reinforcing metal for the rear protection net and the front protection net or heating element holding net. It is a figure which shows the connection part of a reinforcement metal fitting. FIG. 3 is a front view showing a state in which the split reflector is expanded to form a parabolic reflector. FIG. 4 is a sectional view taken along line AA of FIG. FIG. 5 is a front view showing a state where the split reflector is folded. FIG. 6 is a sectional view taken along line BB of FIG. FIG. 7 is a diagram showing a relationship between two adjacent divided reflectors in a state where a parabolic reflector is formed. FIG. 8 is a wiring diagram showing a connection relationship between an operation switch for air volume adjustment or heat amount adjustment and a switching switch. BEST MODE FOR CARRYING OUT THE INVENTION
図 1において、 1はスタンドであり、 扇風機を床上に設置するためのベ ース 1 1、 ベース 1 1に設けられて扇風機の風量調整を行うための操作ス イッチ 1 2および扇風機とヒーターの切替えスィッチ 1 3、 並びにベース 1 1から上方に延びるポール部 1 4を有する。ポール部 1 4の上端部には、 ファンモーター 2 aを内蔵した円筒状のモーターケース 2が首振り可能に 支持されている。 モーターケース 2の胴回りには、 モーターケース 2への 取り付け部 3 5から環状の前縁部 3 6に対して延びる複数本の桟部 3 aに よりパラボラ形に形成される後方保護ネッ ト 3が前方に開口するように取 り付けられている。 また、 モーターケース 2の前面には、 円筒状のボス部 2 1が形成されており、 その前面中央には貫通孔 2 2が形成されている。 貫通孔 2 2にはファンモーター 2 aのモーターシャフ ト 2 3が貫通して、 前方に突出している。 モーターシャフ ト 2 3には扇風機の回転羽根 3 1が 着脱可能に保持されるようになつている。 モーターシャフ ト 2 3の先端部 にはネジが形成されており、 このネジに袋状のナツ ト 3 2を締め付けるこ とにより回転羽根 3 1は保持される。 回転羽根 3 1の前方には、 中央のォ ーナメント部 4 2から環状の後縁部 4 6に延びる複数本の桟部 4 aにより パラボラ形に形成される前方保護ネッ ト 4が配設されている。 前方保護ネ ッ ト 4は、 その後縁部 4 6が後方保護ネッ ト 3の前縁部 3 6に重ね合わさ れて、 回転羽根 3 1を前方から覆うように、 かつ後方保護ネッ ト 3に対し て不図示のフックで容易に着脱できるように取り付けられている。 In Fig. 1, reference numeral 1 denotes a stand, a base 11 for installing the fan on the floor, an operation switch 12 provided on the base 11 for adjusting the air flow of the fan, and switching between the fan and the heater. It has a switch 13 and a pole portion 14 extending upward from the base 11. A cylindrical motor case 2 having a built-in fan motor 2a is swingably supported at the upper end of the pole portion 14. Around the waist of the motor case 2, a rear protection net 3 formed in a parabolic shape by a plurality of bars 3a extending from the attachment portion 35 to the motor case 2 to the annular front edge 36. It is installed so that it opens forward. Further, a cylindrical boss 21 is formed on the front surface of the motor case 2, and a through hole 22 is formed at the center of the front surface. The motor shaft 23 of the fan motor 2a penetrates the through hole 22 and projects forward. The motor shaft 23 holds the rotating blades 31 of the fan detachably. A screw is formed at the end of the motor shaft 23, and a bag-shaped nut 32 is tightened to this screw. Thus, the rotary blade 31 is held. A front protection net 4 formed in a parabolic shape by a plurality of crosspieces 4 a extending from the central tournament portion 42 to the annular rear edge portion 46 is provided in front of the rotating blades 31. I have. The front protection net 4 is overlapped with the front edge 36 of the rear protection net 3 so that the rear edge 46 overlaps the rotating blade 31 from the front, and the front protection net 4 is attached to the front protection net 3. It is attached so that it can be easily attached and detached with a hook (not shown).
なお、 後方保護ネッ ト 3には、 後方保護ネッ ト 3の桟部 3 a以外に、 モ 一ターケース 2への取り付け部 3 5 と前縁部 3 6を連結する棒状の捕強金 具 3 4が 4本 （複数本） 取り付けられている。 補強金具 3 4の先端部 3 4 aは、 中空のパイプ状に開口形成されている。 また、 前方保護ネッ ト 4に は、 後方保護ネッ ト 3の補強金具 3 4に対応する位置に、 オーナメント部 4 2と後縁部 4 6を連結する棒状の 4本 （複数本） の補強金具 4 4が取り 付けられている。捕強金具 4 4の先端部 4 4 aは、図 2に示されるように、 後方保護ネッ ト 3と前方保護ネッ ト 4が重ね合わされた状態で、 補強金具 3 4の先端部 3 4 aの開口と相互に嵌め合わされるように構成されており . 両ネッ ト 3 , 4は強固に連結されるようにようになっている。 The rear protection net 3 includes, in addition to the cross section 3 a of the rear protection net 3, a rod-shaped reinforcing bracket 3 for connecting the mounting portion 35 to the motor case 2 and the front edge 36. 4 are attached (4 or more). The distal end portion 34a of the reinforcing metal member 34 is formed as an opening in a hollow pipe shape. Also, the front protection net 4 has four (multiple) rod-shaped reinforcement brackets connecting the ornament part 42 and the rear edge part 46 at positions corresponding to the reinforcement brackets 34 of the rear protection net 3. 4 4 is installed. As shown in FIG. 2, the distal end portion 4 4a of the reinforcing metal fitting 4 4 is connected to the distal end portion 4 4a of the reinforcing metal fitting 3 4 in a state where the rear protection net 3 and the front protection net 4 are overlapped. The two nets 3 and 4 are designed to be firmly connected to each other.
後方保護ネッ ト 3と回転羽根 3 1の中間部には、 ボス部 2 1からボス部 2 1の半径方向に花びら状に延びて、 図 3および図 4に示されるように、 全体としてパラボラ形の反射板を形成する複数枚の分割反射板 2 4が備え られている。 各分割反射板 2 4は、 薄い金属板で形成されており、 前方側 の面が反射面となっている。 各分割反射板 2 4には一端部に円形孔 2 4 a が形成されており、 円形孔 2 4 aにボス部 2 1を貫通させることにより、 ボス部 2 1の周方向に回動自在に支持されている。 したがって、 図 5およ び図 6に示されるように、 ボス部 2 1 の長手方向に重なった状態に折り畳 むことができる。 パラボラ形の反射板を形成するため、 各分割反射板 2 4 には、 図 7に示されるように、 広げられた状態で隣接する他の分割反射板At the midpoint between the rear protection net 3 and the rotating blades 31, the petals extend from the boss 21 in the radial direction of the boss 21, and as a whole, as shown in FIGS. There are provided a plurality of divided reflectors 24 that form the reflectors. Each of the divided reflecting plates 24 is formed of a thin metal plate, and the front surface is a reflecting surface. A circular hole 24a is formed at one end of each of the divided reflectors 24. By passing the boss 21 through the circular hole 24a, the boss 21 is rotatable in the circumferential direction. Supported. Therefore, Figure 5 and As shown in FIG. 6, the boss portion 21 can be folded so as to overlap in the longitudinal direction. In order to form a parabolic reflector, each of the divided reflectors 24 is spread out, as shown in FIG.
2 4を引っ掛けるフック 2 4 bが設けられている。 なお、 パラボラ形に広 げられた状態を維持するために両端の 2枚の分割反射板を連結する留め金 が別途設定されている。 A hook 2 4 b for hooking 2 4 is provided. In addition, a clasp that connects the two split reflectors at both ends is separately set in order to maintain the parabolic shape.
本ヒーター兼用扇風機は、 回転羽根 3 1を取り外した状態で、 上記の前 方保護ネッ ト 4に代えて、 図 1に示される発熱体保持ネッ ト 5が取り付け 可能とされている。 発熱体保持ネッ ト 5は、 中央部の断熱カバー 5 2から 環状の後縁部 5 6に延びる桟部 5 aにより前方保護ネッ ト 4と同形状のパ ラボラ形に形成されており、 さらに断熱カバー 5 2の後方に発熱体 5 1を 備えている。 発熱体保持ネッ ト 5は、 前方保護ネッ ト 4と同様に断熱カバ 一 5 2と後縁部 5 6を連結する棒状の補強金具 5 4が取り付けられている t 補強金具 5 4の先端部 5 4 aは、 やはり図 2に示されるように、 補強金具In this heater / heater fan, the heating element holding net 5 shown in FIG. 1 can be attached in place of the above-mentioned front protection net 4 with the rotating blades 31 removed. The heating element holding net 5 is formed in a parabolic shape having the same shape as the front protection net 4 by a crosspiece 5a extending from the heat insulating cover 52 at the center to the annular rear edge 56. A heating element 51 is provided behind the cover 52. The heating element holding net 5 is, like the front protection net 4, a t- shaped reinforcing bracket 54 to which a bar-shaped reinforcing bracket 54 connecting the heat insulating cover 52 and the rear edge 56 is attached. 4a is the reinforcing bracket, as also shown in Figure 2.
3 4の先端部 3 4 aの開口と相互に嵌め合わされるように構成されており . 両ネッ ト 3 , 5は強固に連結される。 したがって、 発熱体 5 1は補強金具 3 4および 5 4を介してモーターケース 2により安定的に支持されること になる。 It is configured so that it fits with the opening of the distal end portion 34 a of 34. Both nets 3 and 5 are firmly connected. Therefore, the heating element 51 is stably supported by the motor case 2 via the reinforcing brackets 34 and 54.
発熱体保持ネッ ト 5において、 断熱カバー 5 2の後面には、 後方に広が るテーパー状の反射面 5 3 aを有する反射筒 5 3が立設されている。なお、 断熱カバー 5 2の後面のうち反射筒 5 3が設置されている部分を除く部分 には反射面 5 2 aが備えられている。 発熱体 5 1は一般に用いられる電熱 線を環状に形成したものであり、 反射筒 5 3の反射面 5 3 aを囲むような 状態で保持されている。 発熱体 5 1はスタンド 1のポール部 1 4に設けら れた電源ソケッ ト 1 5に接続されることにより作動する。 発熱体 5 1と電 源ソケッ ト 1 5を連結する電気コード 5 5は耐熱性であり、 発熱体保持ネ ッ ト 5の捕強金具 5 4の 1本に沿い後縁部 5 6に向かって這うように配索 されている。 電気コード 5 5は後縁部 5 6からさらに延びて先端には電源 ソケッ ト 1 5に差し込まれるプラグ 5 5 aが備えられている。 c ファンモーター 2 aの風量調整を行うための操作スィツチ 1 2は押し ボタン式で、 1 2 a ~ 1 2 dの 4つが設けられている。 1 2 aは扇風機電 源オフスィ ッチであり、 1 2 b 〜 1 2 cはそれぞれ風量を小、 中、 大に設 定することができる扇風機電源オンスィツチである。 これらの操作スィッ チ 1 2は、 図 8に示されるように、 扇風機とヒーターの切替えスィツチ 1 3に接続される。 したがって、 切替えスィツチ 1 3をヒーター側 （矢印 C の向き） に操作することにより、 発熱体 5 1の熱量を調整する操作スィッ チとして使用できるようになる。 すなわち、 1 2 aはヒーター電源オフス イッチと して、 1 2 b 〜 1 2 cはそれぞれヒーター熱量を小、 中、 大に設 定することができる電源オンスィツチとなる。 In the heating element holding net 5, on the rear surface of the heat insulating cover 52, a reflecting tube 53 having a tapered reflecting surface 53a extending rearward is provided upright. A reflection surface 52a is provided on a portion of the rear surface of the heat insulating cover 52 other than a portion where the reflection tube 53 is installed. The heating element 51 is formed by forming a generally used heating wire in a ring shape, and surrounds the reflecting surface 53 a of the reflecting cylinder 53. Held in state. The heating element 51 operates by being connected to a power socket 15 provided on a pole section 14 of the stand 1. The electrical cord 55 connecting the heating element 51 and the power socket 15 is heat-resistant, and runs along one of the metal fittings 54 of the heating element holding net 5 toward the rear edge 56. It is routed crawling. The electric cord 55 further extends from the trailing edge 56 and has a plug 55 a at the tip that is inserted into the power socket 15. c In pushbutton operation Suitsuchi 1 2 for performing air volume adjustment of the fan motor 2 a, 1 2 a ~ 1 2 four d is provided. Reference numeral 12a denotes a fan power supply off switch, and reference numerals 12b to 12c denote fan power supply on switches capable of setting the air flow to small, medium, and large, respectively. These operation switches 12 are connected to a fan and heater switching switch 13 as shown in FIG. Therefore, by operating the switching switch 13 toward the heater (in the direction of the arrow C), the switching switch 13 can be used as an operation switch for adjusting the amount of heat of the heating element 51. That is, 12a is a heater power-off switch, and 12b to 12c are power-on switches that can set the heater heat to small, medium, and large, respectively.
上記のヒーター兼用扇風機では、 前方保護ネット 4に代えて、 発熱体を 備えた発熱体保持ネッ ト 5を取り付けるようにしたが、 前方保護ネット 4 に発熱体を取り付けるようにしてもよい。 産業上の利用可能性  In the above-described heater / fan, the heating element holding net 5 having the heating element is attached instead of the front protection net 4, but the heating element may be attached to the front protection net 4. Industrial applicability
上記ヒーター兼用扇風機を扇風機と して使用する場合は、 図 4に示され るように分割反射板 2 4をボス部 2 1 の長手方向に重なった状態に折り畳 み、 回転羽根 3 1、 前方保護ネッ ト 4を装着し、 切替えスィツチ 1 3を扇 風機側とする。 この状態で操作スィツチ 1 2 b 〜 1 2 dを操作することに より、回転羽根 3 1が回転する。分割反射板 2 4が折り畳まれているので、 風の流れが阻害されずに、 扇風機と しての機能を発揮する。 When the above-mentioned heater / fan is used as a fan, the split reflectors 24 are folded so that they overlap in the longitudinal direction of the boss 21 as shown in Fig. 4. The rotating blades 31 and the front protection net 4 are attached, and the switching switch 13 is set to the fan side. By operating the operation switches 12b to 12d in this state, the rotating blades 31 rotate. Since the split reflector 24 is folded, it functions as a fan without obstructing the flow of wind.
上記ヒーター兼用扇風機をヒーターと して使用する場合は、 回転羽根 3 1、 前方保護ネッ ト 4を取り外し、 図 3に示されるように分割反射板 2 4 を広げてパラボラ形の反射板を形成させ、発熱体保持ネッ ト 5を取り付け、 切替えスィツチ 1 3をヒータ一側とする。 この状態で操作スィツチ 1 2 b 〜 1 2 dを操作することにより、 発熱体 5 1から反射板を介して熱線が前 方に発せられ、 ヒーターとしての機能を発揮する。  When the above-mentioned heater / fan is used as a heater, the rotating blades 31 and the front protection net 4 are removed, and as shown in Fig. 3, the split reflector 24 is expanded to form a parabolic reflector. Then, the heating element holding net 5 is attached, and the switching switch 13 is set to one side of the heater. By operating the operation switches 12b to 12d in this state, a heating wire is emitted forward from the heating element 51 via the reflection plate, thereby exhibiting a function as a heater.
上記のとおりであるから、 電化製品の分解や組立てに慣れていないユー ザ一にも容易に扱えるヒーター兼用扇風機を提供することができる。  As described above, it is possible to provide a heater / fan that can be easily handled by a user who is not accustomed to disassembling and assembling electric appliances.

Claims

請求の範囲 The scope of the claims
1 . スタンドと、 該スタンドに支持されファンモーターを内蔵するモータ 一ケースと、 該モーターケースに取り付けられる後方保護ネッ トと、 前記 モーターケースの前部に形成されたボス部と、 該ボス部の前面に形成され た貫通孔を通して前記ファンモーターから前記モーターケースの前方に突 出するモーターシャフ トと、 該モーターシャフ トに着脱可能に保持されて 後方を前記後方保護ネッ トに覆われる回転羽根と、 後縁部が前記後方保護 ネッ トの前縁部に着脱可能に取り付けられて前記回転羽根を前方から覆う 前方保護ネッ トとを有し、 1. A stand, a motor case supported by the stand and having a built-in fan motor, a rear protection net attached to the motor case, a boss formed at a front portion of the motor case, A motor shaft protruding from the fan motor to the front of the motor case through a through hole formed in a front surface, and rotating blades detachably held by the motor shaft and covered at the rear with the rear protection net. A front protection net having a rear edge detachably attached to a front edge of the rear protection net to cover the rotary blade from the front;
前記後方保護ネッ トと前記回転羽根の中間部において前記ボス部から 前記ボス部の半径方向に花びら状に延びて全体としてパラボラ形の反射板 を形成する複数の分割反射板を備えており、  At the intermediate portion between the rear protection net and the rotary blade, there is provided a plurality of divided reflectors extending from the boss portion in a petal shape in a radial direction of the boss portion to form a parabolic reflector plate as a whole,
前記分割反射板は前記ボス部の周方向に回動自在に支持されて前記ボ ス部の長手方向に重なった状態で折り畳み可能とされており、  The divided reflector is rotatably supported in the circumferential direction of the boss portion and is foldable in a state of being overlapped in the longitudinal direction of the boss portion,
前記回転羽根を取り外した状態で前記パラボラ形の反射板の前方に発 熱体が取り付け可能とされており、  A heating element can be attached in front of the parabolic reflector with the rotating blades removed,
前記発熱体と接続される電源ソケッ トが前記スタンドに備えられてい ることを特徴とするヒーター兼用扇風機。  A power supply socket connected to the heating element is provided on the stand, wherein the fan also serves as a heater.
2 . 前記前方保護ネッ トに代えて、 中央部に断熱カバーを備え該断熱カバ 一の後方に発熱体を備えた発熱体保持ネッ トが取り付け可能とされている ことを特徴とする請求の範囲 1に記載のヒーター兼用扇風機。  2. A heating element holding net having a heat insulating cover at the center and a heating element at the back of the heat insulating cover can be attached in place of the front protection net. The fan / heater described in 1 above.
3 . 前記発熱体は環状に形成されて、 前記パラボラ形の反射板と同軸心と なるように配設され、 内環部に後方に広がるテーパー状の反射面を有する 反射筒が挿入されていることを特徴とする請求の範囲 2に記載のヒーター 兼用扇風機。 3. The heating element is formed in an annular shape, and is coaxial with the parabolic reflector. 3. The heater / fan as claimed in claim 2, wherein a reflection tube having a tapered reflection surface extending rearward is inserted into the inner ring portion, the reflection tube being disposed in the inner ring portion.
4 . 前記断熱カバーの後面には反射面が備えられていることを特徴とする 請求の範囲 3に記載のヒーター兼用扇風機。  4. The electric fan according to claim 3, wherein a reflection surface is provided on a rear surface of the heat insulating cover.
5 . 前記発熱体保持ネッ トには後縁部と前記断熱カバーを連結する複数の 補強金具が設けられている一方、 前記後方保護力パーには前記前縁部と前 記モーターケースの取り付け部を連結する複数の補強金具が前記発熱体保 持ネッ トの補強金具と対応するように設けられており、 前記後縁部と前記 前緣部の合わせ部において前記補強金具が相互に嵌め合わされるように構 成されていることを特徴とする請求の範囲 2から 4のいずれかに記載のヒ 一ター兼用扇風機。  5. The heating element holding net is provided with a plurality of reinforcing fittings for connecting the rear edge and the heat insulating cover, while the rear protection force par is provided with the front edge and the motor case mounting portion. Are provided so as to correspond to the reinforcing metal of the heating element holding net, and the reinforcing metal is fitted to each other at a joining portion of the rear edge portion and the front portion. 5. The fan according to any one of claims 2 to 4, wherein the fan is configured as follows.
6 . 前記発熱体と前記電源ソケッ トは電気コードで接続され、 該電気コー ドは耐熱性を有すると共に、 前記発熱体保持ネッ トに沿って這わされてい ることを特徴とする請求の範囲 2から 4のいずれかに記載のヒーター兼用 扇風機。  6. The heating element and the power supply socket are connected by an electric cord, and the electric cord has heat resistance and is laid along the heating element holding net. 5. The electric fan as described in any one of items 1 to 4.
7 . 扇風機およびヒーターの切替えスィ ッチにより、 前記スタンドに配設 された操作スィツチを、 前記ファンモーターの風量調整あるいは前記発熱 体の熱量調整として選択的に使用できるようにされていることを特徴とす る請求の範囲 1から 4のいずれかに記載のヒーター兼用扇風機。  7. The switch for switching between the electric fan and the heater allows the operation switch disposed on the stand to be selectively used for adjusting the amount of air of the fan motor or adjusting the amount of heat of the heating element. 5. The electric heater / heater according to any one of claims 1 to 4, wherein:
PCT/JP2002/002578 2002-03-18 2002-03-18 Fan usable also as heater WO2003078846A1 (en)

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JP2003576820A JP3532562B2 (en) 2002-03-18 2002-03-18 Heater and electric fan
CN02800026.9A CN1252391C (en) 2002-03-18 2002-03-18 Electric fan which can be used as heater at same time
PCT/JP2002/002578 WO2003078846A1 (en) 2002-03-18 2002-03-18 Fan usable also as heater

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US20210059238A1 (en) * 2019-08-28 2021-03-04 Denis Remi Proulx Fan With Support For Mosquito Coil
TWI795260B (en) * 2022-04-01 2023-03-01 張筱絨 Fan net hood with air resistance reduction structure

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KR101806134B1 (en) * 2016-04-21 2017-12-07 신일산업 주식회사 Front cover and rear cover combining and separating structure
CN109026782A (en) * 2018-08-29 2018-12-18 珠海格力电器股份有限公司 Household electrical appliance
CN110486600B (en) 2019-01-25 2020-11-24 深圳叠品科技有限公司 Folding device with stretching and accommodating functions and folding fan thereof
CN111578514A (en) * 2020-06-24 2020-08-25 深圳市飞天慧景科技有限公司 Intelligent control fan and control method thereof

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WO2005057091A1 (en) * 2003-11-19 2005-06-23 Lasko Holdings, Inc. Portable electric air heater with pedestal
US20210059238A1 (en) * 2019-08-28 2021-03-04 Denis Remi Proulx Fan With Support For Mosquito Coil
TWI795260B (en) * 2022-04-01 2023-03-01 張筱絨 Fan net hood with air resistance reduction structure

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CN1455850A (en) 2003-11-12
JP3532562B2 (en) 2004-05-31
CN1252391C (en) 2006-04-19

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