JPH0291497U - - Google Patents
Info
- Publication number
- JPH0291497U JPH0291497U JP1988168820U JP16882088U JPH0291497U JP H0291497 U JPH0291497 U JP H0291497U JP 1988168820 U JP1988168820 U JP 1988168820U JP 16882088 U JP16882088 U JP 16882088U JP H0291497 U JPH0291497 U JP H0291497U
- Authority
- JP
- Japan
- Prior art keywords
- fan motor
- temperature
- hall element
- resistance value
- utility
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案ＤＣフアンモータ制御回路の一
実施例を示す図。第２図は本考案ＤＣフアンモー
タの回転角とコイル電流の関係を示す図。第３図
は本考案ＤＣフアンモータの負荷／回転数特性図
。第４図は本考案ＤＣフアンモータの温度／抵抗
値変換素子の配設例を示す図。
ＨＥ……ホール素子、Ｌ１，Ｌ２……コイル、
Ｒｔ１，Ｒｔ２……サーミスタ、Ｔ１，Ｔ２……
駆動トランジスタ。
FIG. 1 is a diagram showing an embodiment of the DC fan motor control circuit of the present invention. FIG. 2 is a diagram showing the relationship between the rotation angle and coil current of the DC fan motor of the present invention. FIG. 3 is a load/rotation speed characteristic diagram of the DC fan motor of the present invention. FIG. 4 is a diagram showing an example of the arrangement of temperature/resistance value conversion elements of the DC fan motor of the present invention. HE...Hall element, L1, L2...Coil,
Rt1, Rt2...Thermistor, T1, T2...
drive transistor.
Claims (1)
いて、該ＤＣフアンモータで送風処理されるべき
気体の温度に感応する温度／抵抗値変換手段で、
ホール素子からコイル駆動トランジスタへ供給さ
れる駆動電流を制御することを特徴とするＤＣフ
アンモータ。 (2) 温度／抵抗値変換手段が負特性サーミスタ
であり、ホール素子の電力出力端子と駆動トラン
ジスタの制御電流入力端子との間に直列接続され
ていることを特徴とする、実用新案登録請求の範
囲第１項に記載のＤＣフアンモータ。[Claims for Utility Model Registration] (1) In a DC fan motor using a Hall element, a temperature/resistance value conversion means sensitive to the temperature of the gas to be blown by the DC fan motor,
A DC fan motor characterized by controlling a drive current supplied from a Hall element to a coil drive transistor. (2) A utility model registration request characterized in that the temperature/resistance value conversion means is a negative characteristic thermistor, which is connected in series between the power output terminal of the Hall element and the control current input terminal of the drive transistor. DC fan motor according to scope 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988168820U JPH0291497U (en) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988168820U JPH0291497U (en) | 1988-12-27 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0291497U true JPH0291497U (en) | 1990-07-19 |
Family
ID=31458335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988168820U Pending JPH0291497U (en) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0291497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009060772A (en) * | 2007-09-04 | 2009-03-19 | Panasonic Corp | Ac power supply direct-coupled brushless dc motor and electrical apparatus equipped with the same |
-
1988
- 1988-12-27 JP JP1988168820U patent/JPH0291497U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009060772A (en) * | 2007-09-04 | 2009-03-19 | Panasonic Corp | Ac power supply direct-coupled brushless dc motor and electrical apparatus equipped with the same |
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