JPH0293644U - - Google Patents
Info
- Publication number
- JPH0293644U JPH0293644U JP17020088U JP17020088U JPH0293644U JP H0293644 U JPH0293644 U JP H0293644U JP 17020088 U JP17020088 U JP 17020088U JP 17020088 U JP17020088 U JP 17020088U JP H0293644 U JPH0293644 U JP H0293644U
- Authority
- JP
- Japan
- Prior art keywords
- load current
- detected
- temperature
- winding
- protection device
- 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
- 238000004804 winding Methods 0.000 claims 4
- 238000004378 air conditioning Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Protection Of Generators And Motors (AREA)
Description
第１図は本考案の一実施例の構成を示すブロツ
ク図、第２図は零電流検出装置１３の構成例を示
すブロツク図、第３図は本実施例の動作を説明す
るタイムチヤート、第４図は他の考案の一実施例
の構成を示すブロツク図である。
１…空気調和装置、３…室外機、４…３相フア
ンモータ、４ａ，４ｂ…単相フアンモータ、５Ｒ
，５Ｓ，５Ｔ，８Ｒ，８Ｓ，８Ｔ…電力ライン、
９…交流電源、１１…フアン用接点、１２…変流
器、１３…零電流検出装置、１８…リレー、１９
…比較回路、３３，３４…温度検出スイツチ。
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a block diagram showing an example of the configuration of the zero current detection device 13, and FIG. 3 is a time chart explaining the operation of this embodiment. FIG. 4 is a block diagram showing the configuration of an embodiment of another invention. 1... Air conditioner, 3... Outdoor unit, 4... Three-phase fan motor, 4a, 4b... Single-phase fan motor, 5R
, 5S, 5T, 8R, 8S, 8T...power line,
9... AC power supply, 11... Contact for fan, 12... Current transformer, 13... Zero current detection device, 18... Relay, 19
...Comparison circuit, 33, 34...Temperature detection switch.
Claims (1)
３と、運転制御機能を有する室内機２とを有する
空気調和装置１の保護装置において、 前記フアンモータ４の巻線６の温度を検出し、
その検出温度が予め定める値以上になつたとき、
巻線６に接続されている電力供給ライン５を遮断
する温度スイツチ３３，３４と、 前記温度スイツチ３３，３４が設けられている
電力供給ライン５に流れる負荷電流を検出する負
荷電流検出手段１２と、 負荷電流検出手段１２の出力に応答し、負荷電
流が流れていないことが検出されたとき、空気調
和動作を停止する制御手段１３とを含むことを特
徴とする空気調和装置の保護装置。 (2) 単相の室外モータ４を備える室外機３と、
運転制御の機能を有する室内機２とを有する空気
調和装置１の保護装置において、 前記フアンモータの巻線６の温度を検出し、そ
の検出温度が予め定められる値以上になつたとき
、巻線６に接続されている電力供給ライン５Ｓを
遮断する温度スイツチ３３，３４と、 フアンモータ４の２つの電力供給ライン５Ｒ，
５Ｓのいずれかに流れる負荷電流を検出する負荷
電流検出手段１２と、 負荷電流検出手段１２の出力に応答し、負荷電
流が流れていないことが検出されたとき、空気調
和動作を停止する制御手段１３とを含むことを特
徴とする空気調和装置の保護装置。[Claims for Utility Model Registration] (1) In a protection device for an air conditioner 1 having an outdoor unit 3 having a three-phase outdoor fan motor 4 and an indoor unit 2 having an operation control function, Detects the temperature of the winding 6,
When the detected temperature exceeds a predetermined value,
Temperature switches 33, 34 that cut off the power supply line 5 connected to the winding 6; Load current detection means 12 that detects the load current flowing in the power supply line 5 where the temperature switches 33, 34 are provided. A protection device for an air conditioner, comprising: a control means 13 that responds to the output of the load current detection means 12 and stops air conditioning operation when it is detected that no load current is flowing. (2) an outdoor unit 3 equipped with a single-phase outdoor motor 4;
In a protection device for an air conditioner 1 having an indoor unit 2 having an operation control function, the temperature of the winding 6 of the fan motor is detected, and when the detected temperature exceeds a predetermined value, the winding temperature switches 33, 34 that cut off the power supply line 5S connected to the fan motor 4;
A load current detection means 12 that detects the load current flowing to any of the 5S, and a control means that responds to the output of the load current detection means 12 and stops the air conditioning operation when it is detected that no load current is flowing. 13. A protection device for an air conditioner, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988170200U JPH0749306Y2 (en) | 1988-12-31 | 1988-12-31 | Air conditioner protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988170200U JPH0749306Y2 (en) | 1988-12-31 | 1988-12-31 | Air conditioner protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0293644U true JPH0293644U (en) | 1990-07-25 |
| JPH0749306Y2 JPH0749306Y2 (en) | 1995-11-13 |
Family
ID=31460938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988170200U Expired - Lifetime JPH0749306Y2 (en) | 1988-12-31 | 1988-12-31 | Air conditioner protector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749306Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08178481A (en) * | 1994-12-28 | 1996-07-12 | Toshiba Corp | Freezer-refrigerator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5255245A (en) * | 1975-10-28 | 1977-05-06 | Carrier Corp | Safety device for electric motor |
| JPS58140546A (en) * | 1982-02-15 | 1983-08-20 | Sharp Corp | Control circuit of air conditioning system |
| JPS59231344A (en) * | 1983-06-15 | 1984-12-26 | Hitachi Ltd | Control circuit for air conditioner |
-
1988
- 1988-12-31 JP JP1988170200U patent/JPH0749306Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5255245A (en) * | 1975-10-28 | 1977-05-06 | Carrier Corp | Safety device for electric motor |
| JPS58140546A (en) * | 1982-02-15 | 1983-08-20 | Sharp Corp | Control circuit of air conditioning system |
| JPS59231344A (en) * | 1983-06-15 | 1984-12-26 | Hitachi Ltd | Control circuit for air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08178481A (en) * | 1994-12-28 | 1996-07-12 | Toshiba Corp | Freezer-refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0749306Y2 (en) | 1995-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0293644U (en) | ||
| JPS5685643A (en) | Temperature control device for air-conditioner | |
| JPS61159841U (en) | ||
| JPH0213932U (en) | ||
| JPS6257539U (en) | ||
| JPS5922424Y2 (en) | Operation control device for air conditioners | |
| JPS6267139U (en) | ||
| JPS62179549U (en) | ||
| JPS6269095U (en) | ||
| JPS61141649U (en) | ||
| JPS6212413U (en) | ||
| JPS6182593U (en) | ||
| JPH0447398U (en) | ||
| JPS6323112U (en) | ||
| JPS61162737U (en) | ||
| JPS61127338U (en) | ||
| JPS61197472U (en) | ||
| JPS5832010U (en) | Vehicle air conditioning control device | |
| JPS62114810U (en) | ||
| JPS6179140U (en) | ||
| JPH02109951U (en) | ||
| JPS621047U (en) | ||
| JPS62122237U (en) | ||
| JPS62173630U (en) | ||
| JPS6412440U (en) |