JPH01100035U - - Google Patents
Info
- Publication number
- JPH01100035U JPH01100035U JP19410987U JP19410987U JPH01100035U JP H01100035 U JPH01100035 U JP H01100035U JP 19410987 U JP19410987 U JP 19410987U JP 19410987 U JP19410987 U JP 19410987U JP H01100035 U JPH01100035 U JP H01100035U
- Authority
- JP
- Japan
- Prior art keywords
- air volume
- fan
- fan motor
- rotation speed
- load current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 2
Landscapes
- Ventilation (AREA)
Description
第１図は本考案の原理を説明するための回路ブ
ロツク図、第２図は本考案の定風量運転制御装置
を組み込んだレンジ用フードフアンの一例の略示
正面図、第３図は同上フアンの略示側面図、第４
図は同上フアンの風量設定スイツチの外観正面図
、第５図は同上風量設定スイツチの回路図、第６
図は本考案の定風量運転制御装置の第１実施例の
回路ブロツク図、第７図は同上実施例における回
転速度制御回路とその周辺回路の具体的な回路図
、第８図は本考案のレンジ用フードフアンの特性
の一例を示す特性線図、第９図は本考案の定風量
運転制御装置の第２実施例の回路ブロツク図、第
１０図は同上実施例における回転速度制御回路と
その周辺回路の具体的な回路図、第１１図は従来
のレンジ用フードフアンの構造を示す略示断面図
、第１２図は同上フアンの略示側面図である。
１……フアンロータ、２……フアンモータ、３
……回転速度検出手段、４……負荷電流検出手段
、５……風量設定手段、６……風量偏差検出手段
、７……回転速度制御手段。
Fig. 1 is a circuit block diagram for explaining the principle of the present invention, Fig. 2 is a schematic front view of an example of a microwave hood fan incorporating the constant air volume operation control device of the present invention, and Fig. 3 is a diagram of the same fan. Schematic side view, 4th
The figure is an external front view of the air volume setting switch of the same fan, Figure 5 is a circuit diagram of the air volume setting switch of the same fan, and Figure 6 is a circuit diagram of the air volume setting switch of the same fan.
The figure is a circuit block diagram of the first embodiment of the constant air volume operation control device of the present invention, Figure 7 is a specific circuit diagram of the rotation speed control circuit and its peripheral circuits in the same embodiment, and Figure 8 is the range of the range of the present invention. 9 is a circuit block diagram of a second embodiment of the constant air volume operation control device of the present invention, and FIG. 10 is a rotation speed control circuit and its peripheral circuits in the same embodiment. FIG. 11 is a schematic sectional view showing the structure of a conventional microwave hood fan, and FIG. 12 is a schematic side view of the same fan. 1...Fan rotor, 2...Fan motor, 3
... Rotation speed detection means, 4 ... Load current detection means, 5 ... Air volume setting means, 6 ... Air flow deviation detection means, 7 ... Rotation speed control means.
Claims (1)
に連結され、その回転数を検出する回転速度検出
手段３と、 上記フアンモータに流れる負荷電流を検出する
負荷電流検出手段４と、 レンジ用フードフアンの風量を設定する風量設
定手段５と、 上記回転速度検出手段により検出したフアンモ
ータの回転数と上記負荷電流検出手段により検出
したフアンモータの負荷電流とからレンジ用フー
ドフアンの風量を求め、この風量と上記風量設定
手段により設定した設定風量とを比較してその風
量偏差を求める風量偏差検出手段６と、 この風量偏差検出手段の風量偏差出力に基づい
て上記フアンモータに供給する駆動電圧を可変制
御し、レンジ用フアンの送風量が上記設定風量に
一致するようにフアンモータの回転数を制御する
回転速度制御手段７とを、 備えてなることを特徴とするレンジ用フードフ
アンの定風量運転制御装置。[Claims for Utility Model Registration] Fan motor 2 that rotationally drives the fan rotor 1
A rotational speed detection means 3 connected to the fan motor and detects its rotational speed; a load current detection means 4 that detects the load current flowing through the fan motor; an air volume setting means 5 that sets the air volume of the range hood fan; The air volume of the range hood fan is determined from the rotation speed of the fan motor detected by the rotation speed detection means and the load current of the fan motor detected by the load current detection means, and this air volume is combined with the set air volume set by the air volume setting means. an air volume deviation detecting means 6 for comparing the air volume deviations and determining the air volume deviation, and variably controlling the drive voltage supplied to the fan motor based on the air volume deviation output of the air volume deviation detecting means, so that the air blowing volume of the range fan is adjusted to the above setting. A constant air volume operation control device for a range hood fan, comprising: rotation speed control means 7 for controlling the rotation speed of the fan motor so as to match the air volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19410987U JPH0356822Y2 (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19410987U JPH0356822Y2 (en) | 1987-12-23 | 1987-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01100035U true JPH01100035U (en) | 1989-07-05 |
| JPH0356822Y2 JPH0356822Y2 (en) | 1991-12-24 |
Family
ID=31484860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19410987U Expired JPH0356822Y2 (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356822Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039831A (en) * | 2000-07-19 | 2002-02-06 | Tokyo Gas Co Ltd | Gas meter, ventilation apparatus, and gas measurment monitoring system |
| JP2017090024A (en) * | 2015-11-17 | 2017-05-25 | 富士工業株式会社 | Range hood |
| JP2017090025A (en) * | 2015-11-17 | 2017-05-25 | 富士工業株式会社 | Range hood |
| JP2019190779A (en) * | 2018-04-27 | 2019-10-31 | 富士工業株式会社 | Range hood and range food system |
| JP2021127901A (en) * | 2020-02-13 | 2021-09-02 | パナソニックＩｐマネジメント株式会社 | Ventilation system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4726424B2 (en) * | 2004-03-25 | 2011-07-20 | 富士工業株式会社 | Blower air volume control method |
-
1987
- 1987-12-23 JP JP19410987U patent/JPH0356822Y2/ja not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039831A (en) * | 2000-07-19 | 2002-02-06 | Tokyo Gas Co Ltd | Gas meter, ventilation apparatus, and gas measurment monitoring system |
| JP2017090024A (en) * | 2015-11-17 | 2017-05-25 | 富士工業株式会社 | Range hood |
| JP2017090025A (en) * | 2015-11-17 | 2017-05-25 | 富士工業株式会社 | Range hood |
| JP2019190779A (en) * | 2018-04-27 | 2019-10-31 | 富士工業株式会社 | Range hood and range food system |
| JP2021127901A (en) * | 2020-02-13 | 2021-09-02 | パナソニックＩｐマネジメント株式会社 | Ventilation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0356822Y2 (en) | 1991-12-24 |