JPH0320248U - - Google Patents

Info

Publication number
JPH0320248U
JPH0320248U JP7925089U JP7925089U JPH0320248U JP H0320248 U JPH0320248 U JP H0320248U JP 7925089 U JP7925089 U JP 7925089U JP 7925089 U JP7925089 U JP 7925089U JP H0320248 U JPH0320248 U JP H0320248U
Authority
JP
Japan
Prior art keywords
heater
cold air
ventilating
hot air
thermistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7925089U
Other languages
Japanese (ja)
Other versions
JPH0754763Y2 (en
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 filed Critical
Priority to JP1989079250U priority Critical patent/JPH0754763Y2/en
Publication of JPH0320248U publication Critical patent/JPH0320248U/ja
Application granted granted Critical
Publication of JPH0754763Y2 publication Critical patent/JPH0754763Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図から第６図にかけては本考案にかかる通
風式電気温風機の実施例を説明するための図であ
つて、第１図ａ，ｂは温風式フアンヒータに用い
られるセラミツクヒータの斜視図、断面図、第２
図は温風式フアンヒータの電気結線図、第３図は
正特性セラミツク、負特性セラミツクの温度対電
気抵抗の特性を示すグラフ、第４図はセラミツク
ヒータの設計時における正特性セラミツク、負特
性セラミツクの選定を説明するための第３図に対
応する図である。第５図及び第６図は種類の違う
セラミツクヒータを用いた温風式フアンヒータの
実施例を説明するための図であつて、第５図はセ
ラミツクヒータの斜視図、第６図はセラミツクヒ
ータが通風ダクトに取付けられている様子を示す
通風ダクトの断面視図である。第７図から第８図
にかけては従来の通風式電気温風機を説明するた
めの図であつて、第７図は温風式フアンヒータの
模式図、第８図は温風式フアンヒータの電気結線
図、第９図はヒータに流れる電流の時間的変化を
示すグラフである。 １０……送風フアン、２０……通風ダクト、５
０……セラミツクヒータ、５１……正特性セラミ
ツク、５２……負特性セラミツク、５６……通気
孔、６０……セラミツクヒータ。 1 to 6 are diagrams for explaining an embodiment of the ventilation type electric hot air fan according to the present invention, and FIGS. 1a and 1b are perspective views of a ceramic heater used in the hot air type fan heater. , cross section, second
The figure is an electrical wiring diagram of a hot air fan heater. Figure 3 is a graph showing the temperature vs. electrical resistance characteristics of positive characteristic ceramic and negative characteristic ceramic. Figure 4 is a graph showing the characteristics of positive characteristic ceramic and negative characteristic ceramic when designing a ceramic heater. FIG. 4 is a diagram corresponding to FIG. 3 for explaining the selection of . 5 and 6 are diagrams for explaining examples of hot air type fan heaters using different types of ceramic heaters. FIG. 5 is a perspective view of the ceramic heater, and FIG. 6 is a perspective view of the ceramic heater. FIG. 3 is a cross-sectional view of the ventilation duct showing how it is attached to the ventilation duct. Figures 7 and 8 are diagrams for explaining conventional ventilation type electric hot air machines, where Figure 7 is a schematic diagram of a hot air type fan heater, and Figure 8 is an electrical wiring diagram of a hot air type fan heater. , FIG. 9 is a graph showing temporal changes in the current flowing through the heater. 10...Blower fan, 20...Ventilation duct, 5
0...Ceramic heater, 51...Positive characteristic ceramic, 52...Negative characteristic ceramic, 56...Vent hole, 60...Ceramic heater.

Claims (1)

【実用新案登録請求の範囲】 (1) 送風フアンからの冷風を出口側に導く通風
ダクトの途中には当該冷風に対して熱交換するサ
ーミスタヒータを装備している通風式電気温風機
であつて、前記サーミスタヒータはヒータ通電用
電源に対して互いに直列に接続された正特性サー
ミスタ、負特性サーミスタから構成されており、
これらを熱的に結合するべく連結してあることを
特徴とする通風式電気温風機。 (2) 送風フアンからの冷風を出口側に導く通風
ダクトの途中には当該冷風に対して熱変換する半
導体ヒータを装備している通風式電気温風機にお
いて、前記半導体ヒータに複数個設けられている
通風熱交換孔の開口実効面積を前記通風ダクトを
通る前記冷風の通風量に応じて変えてあることを
特徴とする通風式電気温風機。[Scope of Claim for Utility Model Registration] (1) A ventilation type electric hot air machine that is equipped with a thermistor heater that exchanges heat with the cold air in the middle of the ventilation duct that guides the cold air from the ventilation fan to the outlet side. , the thermistor heater is composed of a positive characteristic thermistor and a negative characteristic thermistor that are connected in series to a power supply for energizing the heater,
A ventilated electric hot air machine characterized in that these are connected to be thermally coupled. (2) In a ventilating electric hot air machine that is equipped with a semiconductor heater that converts heat into the cold air in the middle of the ventilation duct that guides the cold air from the blower fan to the outlet side, the semiconductor heater is provided with a plurality of semiconductor heaters. A ventilating electric warm air machine characterized in that the effective opening area of the ventilating heat exchange hole is changed depending on the amount of cold air passing through the ventilating duct.
JP1989079250U 1989-07-04 1989-07-04 Ventilation electric warmer Expired - Fee Related JPH0754763Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989079250U JPH0754763Y2 (en) 1989-07-04 1989-07-04 Ventilation electric warmer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989079250U JPH0754763Y2 (en) 1989-07-04 1989-07-04 Ventilation electric warmer

Publications (2)

Publication Number Publication Date
JPH0320248U true JPH0320248U (en) 1991-02-27
JPH0754763Y2 JPH0754763Y2 (en) 1995-12-18

Family

ID=31623242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989079250U Expired - Fee Related JPH0754763Y2 (en) 1989-07-04 1989-07-04 Ventilation electric warmer

Country Status (1)

Country Link
JP (1) JPH0754763Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100678644B1 (en) * 2006-05-04 2007-02-02 김은주 Staff for geographical measuring
KR100828583B1 (en) * 2007-10-15 2008-05-09 (주) 일신하이텍 Staff of surveying instrument

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121184A (en) * 1981-01-20 1982-07-28 Matsushita Electric Works Ltd Heater for hot air blower
JPS649715A (en) * 1987-07-01 1989-01-13 Fujikura Ltd Extruding crosslinking method for insulator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121184A (en) * 1981-01-20 1982-07-28 Matsushita Electric Works Ltd Heater for hot air blower
JPS649715A (en) * 1987-07-01 1989-01-13 Fujikura Ltd Extruding crosslinking method for insulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100678644B1 (en) * 2006-05-04 2007-02-02 김은주 Staff for geographical measuring
KR100828583B1 (en) * 2007-10-15 2008-05-09 (주) 일신하이텍 Staff of surveying instrument

Also Published As

Publication number Publication date
JPH0754763Y2 (en) 1995-12-18

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees