JPH06193945A - Control device for air conditioner - Google Patents
Control device for air conditionerInfo
- Publication number
- JPH06193945A JPH06193945A JP4343938A JP34393892A JPH06193945A JP H06193945 A JPH06193945 A JP H06193945A JP 4343938 A JP4343938 A JP 4343938A JP 34393892 A JP34393892 A JP 34393892A JP H06193945 A JPH06193945 A JP H06193945A
- Authority
- JP
- Japan
- Prior art keywords
- set value
- current set
- current
- air conditioner
- control 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Air Conditioning Control Device (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、インバータにより駆動
される空気調和機の制御装置から圧縮機に流れる電流制
御に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to control of current flowing from a controller of an air conditioner driven by an inverter to a compressor.
【０００２】[0002]
【従来の技術】従来、この種の空気調和機の制御装置に
おいては、図８のフローチャートに示す通り制御装置か
ら圧縮機に流れる電流値が予め設定された値に達すると
圧縮機の回転数を電流設定値に届かない範囲でわずかに
下げて運転をし一定時間経過後に再び圧縮機の回転数を
上げて運転し、電流値が設定値に達すれば再び圧縮機の
回転数を下げるという運転を行うものであった。2. Description of the Related Art Conventionally, in a control device for an air conditioner of this type, when the current value flowing from the control device to the compressor reaches a preset value, the rotational speed of the compressor is changed as shown in the flowchart of FIG. The operation is performed by slightly lowering the current within the range that does not reach the current setting value, and then increasing the rotation speed of the compressor again after a certain period of time, and then decreasing the rotation speed of the compressor again when the current value reaches the set value. It was something to do.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、制御装
置に流入する電流が長時間、電流制限値ぎりぎりでの運
転を継続した場合、あるいは、夏場、制御装置の雰囲気
温度が高い場合などでは制御装置を構成するパワートラ
ンジスタなどの温度上昇が過大となり部品の信頼性上好
ましくないという問題があった。あるいは、温度上昇が
最大時でも信頼性上問題の無い温度にするために通常の
使用レベルから見れば必要以上に大型の放熱板等の部品
を使用し製品重量の増大、部品コストの大幅なアップを
招いているという問題があった。However, if the current flowing into the control device continues for a long time at the current limit value, or if the ambient temperature of the control device is high in the summer, the control device is not activated. There is a problem in that the temperature rise of the power transistors and the like that constitute it becomes excessively large, and this is not desirable in terms of component reliability. Alternatively, in order to reach a temperature at which there is no problem in reliability even when the temperature rises to the maximum, using components such as a large heat sink that is larger than necessary from the normal usage level increases the product weight and significantly increases the component cost. There was a problem that was invited.
【０００４】本発明は、上記問題点に鑑みなされたもの
であり、その目的はインバータ制御装置から圧縮機に流
れる電流値を必要に応じて制限する事で、空気調和機と
しての性能を犠牲にする事なく、小型軽量化、コストダ
ウン、信頼性を向上させた空気調和機を提供することに
ある。The present invention has been made in view of the above problems, and its purpose is to limit the current value flowing from the inverter control device to the compressor as necessary, thereby sacrificing the performance as an air conditioner. Without doing so, it is to provide an air conditioner that is compact and lightweight, has a reduced cost, and has improved reliability.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に本発明の制御装置は、制御装置から圧縮機に流れる電
流値を検出する電流検出手段と電流値の大きさを比較す
る第１の電流設定値比較手段と第２の電流設定値比較手
段（第１の設定値より小）と制御装置運転開始からの時
間を計測する第１のタイマ手段により前記第１の電流設
定値比較手段を前記第２の電流設定値比較手段に切り換
える電流設定値切り替え手段を有する。In order to solve the above-mentioned problems, the control device of the present invention is a first device for comparing the magnitude of the current value with a current detection device for detecting the current value flowing from the control device to the compressor. The first current setting value comparing means is constituted by the current setting value comparing means, the second current setting value comparing means (smaller than the first setting value) and the first timer means for measuring the time from the start of operation of the control device. It has a current setting value switching means for switching to the second current setting value comparing means.
【０００６】また、空気調和機の制御装置が収納されて
いる室外機の使用される雰囲気温度を検出する室外気温
検出手段と、予め設定された室外気温と比較し第１の電
流設定値比較手段を第２の電流設定値比較手段に切り換
える電流設定切り替え手段を有する。Further, an outdoor air temperature detecting means for detecting an ambient temperature of an outdoor unit in which an air conditioner control device is housed, and a first current set value comparing means for comparing with an outdoor air temperature set in advance. To a second current setting value comparing means.
【０００７】また、空気調和機の室内機に設けた室内温
度検出手段と予め設定された室内温度と比較し第１の電
流設定値比較手段を第２の電流設定値比較手段に切り換
える電流設定切り替え手段を有する。Further, a current setting switching means for comparing the indoor temperature detecting means provided in the indoor unit of the air conditioner with a preset indoor temperature and switching the first current setting value comparing means to the second current setting value comparing means. Have means.
【０００８】また、電流設定値切り替え手段により第１
の電流設定値比較手段を第２の電流設定値比較手段に切
り換えてからの時間を計測し、予め設定された時間経過
が判定された場合に、一定時間、再度第２の電流設定値
比較手段を第１の電流設定値比較手段に切り換える第２
タイマ手段を有する。Further, the current setting value switching means makes the first
Of the current setting value comparison means of the second current setting value comparison means is measured, and when the elapse of a preset time is determined, the second current setting value comparison means is again set for a predetermined time. Second to switch the first current set value comparison means
It has a timer means.
【０００９】また、室外温度検出手段の出力が予め設定
された範囲外であること、または、室内温度検出手段の
出力が予め設定された範囲外であること、または、１次
電流検出手段の出力が予め設定された範囲外であるこ
と、または、空気調和機の制御装置の冷却の役目も果た
す室外機のファンモータの電流検出手段の出力が予め設
定された範囲外であることを検出した場合、制御装置で
駆動する圧縮機の最高回転数を予め設定された回転数に
設定する異常検知手段を有する。Further, the output of the outdoor temperature detecting means is outside the preset range, the output of the indoor temperature detecting means is outside the preset range, or the output of the primary current detecting means. Is outside the preset range, or it is detected that the output of the current detection means of the fan motor of the outdoor unit, which also plays the role of cooling the control device of the air conditioner, is outside the preset range. It has an abnormality detection means for setting the maximum rotation speed of the compressor driven by the control device to a preset rotation speed.
【００１０】[0010]
【作用】本発明は上記した構成によって、空気調和機運
転開始からの時間を計測する第１のタイマ手段により予
め設定された時間経過があった場合に圧縮機の最大回転
数を規制する電流設定値を第１の電流値から第２の電流
値（第１の電流値＞第２の電流値）に切り換える。According to the present invention, with the above-described structure, the current setting for restricting the maximum rotation speed of the compressor when a preset time has elapsed by the first timer means for measuring the time from the start of operation of the air conditioner. The value is switched from the first current value to the second current value (first current value> second current value).
【００１１】さらに、空気調和機の制御装置が収納され
ている室外機の使用される雰囲気温度が予め設定された
室外気温以上の場合に限り電流設定値を第１の電流値か
ら第２の電流値（第１の電流値＞第２の電流値）に切り
換え、外気温度が低く電装部品温度が高くならない運転
条件では、不要に圧縮機の最高回転数を下げて空気調和
機の能力低下をまねかないようにする。Further, the current set value is changed from the first current value to the second current value only when the ambient temperature in which the outdoor unit in which the control device for the air conditioner is housed is used is equal to or higher than the preset outdoor air temperature. Value (1st current value> 2nd current value), unnecessarily lowering the maximum rotation speed of the compressor under operating conditions where the outside air temperature is low and the temperature of electrical components does not rise, reducing the capacity of the air conditioner. Try not to avoid it.
【００１２】さらに、空気調和機の室内機に設けた室内
温度検出手段と予め設定された室内温度と比較し室内温
度が設定値より低い場合に限り電流設定値を第１の電流
値から第２の電流値（第１の電流値＞第２の電流値）に
切り換え、冷房能力の不足を防止する。Further, the indoor temperature detecting means provided in the indoor unit of the air conditioner is compared with a preset indoor temperature, and the current set value is changed from the first current value to the second current value only when the indoor temperature is lower than the set value. To the current value (first current value> second current value) to prevent the cooling capacity from being insufficient.
【００１３】さらに、第１の電流値から第２の電流値に
切り換えてからの時間を第２のタイマ手段により計測
し、予め設定された時間経過が判定された場合に、一定
時間、再度第１の電流値に切り換えることで、冷房能力
の不足を防止する。Further, the time from the switching from the first current value to the second current value is measured by the second timer means, and when a preset time elapses is judged, the predetermined time is again set. Switching to a current value of 1 prevents insufficient cooling capacity.
【００１４】さらに、室外温度検出手段の出力が予め設
定された範囲外であること、または、室内温度検出手段
の出力が予め設定された範囲外であること、または、電
流検出手段の出力が予め設定された範囲外であること、
または、空気調和機の制御装置の冷却の役目も果たす室
外機のファンモータの電流検出手段の出力が予め設定さ
れた範囲外であることを検出した場合、制御装置で駆動
する圧縮機の最高回転数を予め設定された回転数に設定
することで、制御を司るセンサー類が万一故障しても制
御装置の安全性を確保する。Further, the output of the outdoor temperature detecting means is out of a preset range, the output of the indoor temperature detecting means is out of the preset range, or the output of the current detecting means is in advance. Out of the set range,
Alternatively, when it is detected that the output of the current detection means of the fan motor of the outdoor unit, which also plays the role of cooling the control device of the air conditioner, is outside the preset range, the maximum rotation of the compressor driven by the control device is detected. By setting the number to a preset number of revolutions, the safety of the control device is ensured even if the sensors that control the control should fail.
【００１５】[0015]
【実施例】以下、本発明の実施例について、図面を参照
しながら説明する。図１は、本発明の実施例における空
気調和機を制御する制御装置のブロック図であり第１の
タイマ手段１、外気温検出手段２、内気温検出手段３、
第２のタイマ手段４、電流設定値切り替え手段５、電流
検出手段６、第１の電流設定値比較手段７、第２の電流
設定値比較手段８、異常検知手段９、圧縮機回転数指示
手段１０、ファンモータ電流検出手段１１より構成され
ている。図２、図３、図４、図５、図６は本制御装置の
流れ図である。図７は本発明の空気調和機の構成図であ
り、室内機１２、室内気温を検出する内気温センサ１
３、室外機１４、圧縮機１５、室外気温を検出する外気
温センサ１６、本発明の制御装置１７、ファンモータ１
８などより構成されている。上記構成においてその動作
を説明する。空気調和機運転開始後、第１のタイマ手段
１によりＴ１時間が経過したことが検出されるまでは、
冷房運転開始時の冷房能力確保のため電流設定値を電流
設定値切り替え手段５により従来通り第１の電流設定値
とし、電流検出手段６の出力を第１の電流設定比較手段
７で比較演算し第一の電流設定値に到達すれば圧縮機回
転数指示手段１０により圧縮機１５の回転数を一定値減
少させ、その後、一定時間Ｔ２が経過すれば再び圧縮機
１５の回転数を一定値増加させる制御を行う。その後、
第１のタイマ手段１によりＴ１時間が経過したことが検
出された場合には電流設定値切り替え手段５により第一
の電流設定値より小さい第２の電流設定値をもつ第２の
電流設定値比較手段８に切り換えて同様の制御を行う。
さらに室外機１４に設けた外気温センサ１６などからな
る外気温検出手段２により制御装置１７の置かれている
雰囲気温度を検出し外気温度が予め設定された温度より
も高い場合のみ電流設定値切り替え手段５により第２の
電流設定値比較手段８を選択し圧縮機回転数指示手段１
０により圧縮機１５の回転数制御を行う。さらに室内機
１２に設けた内気温センサ１３などからなる内気温検出
手段３により室内温度を検出し、内気温度が予め設定さ
れた温度より低い場合のみ電流設定値切り替え手段５に
より第２の電流設定値比較手段８を選択し圧縮機回転数
指示手段１０により圧縮機１５の回転数制御を行う。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a control device for controlling an air conditioner according to an embodiment of the present invention. First timer means 1, outside air temperature detecting means 2, inside air temperature detecting means 3,
Second timer means 4, current set value switching means 5, current detection means 6, first current set value comparison means 7, second current set value comparison means 8, abnormality detection means 9, compressor rotation speed instruction means. 10 and fan motor current detection means 11. 2, 3, 4, 5, and 6 are flowcharts of the present control device. FIG. 7 is a configuration diagram of the air conditioner of the present invention, which includes an indoor unit 12 and an indoor air temperature sensor 1 for detecting an indoor air temperature.
3, outdoor unit 14, compressor 15, outdoor temperature sensor 16 for detecting the outdoor temperature, control device 17 of the present invention, fan motor 1
It is composed of 8 and the like. The operation of the above configuration will be described. After the start of the air conditioner operation, until the first timer means 1 detects that the time T1 has elapsed,
In order to secure the cooling capacity at the start of the cooling operation, the current set value is set to the first current set value by the current set value switching means 5 as usual, and the output of the current detection means 6 is compared and calculated by the first current setting comparison means 7. When the first current setting value is reached, the rotation speed of the compressor 15 is decreased by a constant value by the compressor rotation speed instruction means 10, and thereafter, when the fixed time T2 elapses, the rotation speed of the compressor 15 is increased again by a constant value. Control. afterwards,
When the first timer means 1 detects that the time T1 has elapsed, the current setting value switching means 5 compares the second current setting value with the second current setting value smaller than the first current setting value. The same control is performed by switching to the means 8.
Further, the outside air temperature detecting means 2 including the outside air temperature sensor 16 provided in the outdoor unit 14 detects the ambient temperature in which the control device 17 is placed, and switches the current set value only when the outside air temperature is higher than a preset temperature. The second current set value comparison means 8 is selected by means 5 and the compressor rotation speed instruction means 1 is selected.
0 controls the rotation speed of the compressor 15. Furthermore, the indoor temperature is detected by the indoor temperature detecting means 3 including the indoor air temperature sensor 13 provided in the indoor unit 12, and the second current setting is performed by the current setting value switching means 5 only when the inside air temperature is lower than a preset temperature. The value comparison means 8 is selected, and the compressor rotation speed instruction means 10 controls the rotation speed of the compressor 15.
【００１６】さらに、第２のタイマ手段４により第２の
電流設定値比較手段８に切り換えてからの時間がＴ３以
上Ｔ４未満にあることが検出されている場合は、電流設
定値切り替え手段５により第２の電流設定値比較手段８
を第１の電流設定値比較手段７にもどし、圧縮機１５の
回転数制御を行う。第２のタイマ手段４によりＴ４時間
経過が検出された場合は電流設定値切り替え手段５によ
り第２の電流設定値比較手段７による制御に移る。以後
同様に一定時間間隔で電流設定値切り替え手段５により
第１の電流設定値比較手段７と第２の電流設定値比較手
段８の切り替えを行い圧縮機回転数指示手段１０により
圧縮機１５の回転数制御を行う。Further, when it is detected by the second timer means 4 that the time after switching to the second current set value comparison means 8 is T3 or more and less than T4, the current set value switching means 5 is used. Second current set value comparison means 8
Is returned to the first current set value comparison means 7 to control the rotation speed of the compressor 15. When the elapse of T4 time is detected by the second timer means 4, the current set value switching means 5 shifts to the control by the second current set value comparison means 7. Thereafter, similarly, the current setting value switching means 5 switches the first current setting value comparing means 7 and the second current setting value comparing means 8 at fixed time intervals, and the compressor rotation speed instructing means 10 rotates the compressor 15. Number control.
【００１７】さらに、外気温センサ１６の出力が予め設
定された範囲外であること、または、内気温センサ１３
の出力が予め設定された範囲外であること、または、カ
レントトランス等からなる電流検出手段６の出力が予め
設定された範囲外であること、または、空気調和機の制
御装置１７の冷却の役目も果たす室外機１４のファンモ
ータ１８の電流検出手段１１の出力が予め設定された範
囲外であることを検出した場合、異常検知手段９により
圧縮機回転数指示手段１０の出力を予め設定された回転
数に設定し電流検出手段６による制御は行わないものと
する。Further, the output of the outside air temperature sensor 16 is outside the preset range, or the inside air temperature sensor 13
Output is outside the preset range, or the output of the current detecting means 6 including a current transformer is outside the preset range, or the role of cooling the controller 17 of the air conditioner. When it is detected that the output of the current detection means 11 of the fan motor 18 of the outdoor unit 14 which is also fulfilled is out of the preset range, the abnormality detection means 9 presets the output of the compressor rotation speed instruction means 10. The rotation speed is set and the control by the current detection means 6 is not performed.
【００１８】[0018]
【発明の効果】以上のように本発明の空気調和機の制御
装置によれば、制御装置から圧縮機へ流れる電流値を検
出する電流検出手段と電流値の大きさを比較する第１の
電流設定値比較手段と第２の電流設定値比較手段（第１
の設定値より小）と空気調和機運転開始からの時間を計
測する第１のタイマ手段により第１の電流設定値比較手
段を第２の電流設定値比較手段に切り換える電流設定値
切り替え手段と第１の電流設定値比較手段または第２の
電流設定値比較手段の出力に応じて圧縮機回転数指示を
出す圧縮機回転数指示手段を有する事で冷房運転開始時
の能力を確保しつつ制御装置の過大な温度上昇を防止で
きる。As described above, according to the controller of the air conditioner of the present invention, the first current for comparing the magnitude of the current value with the current detecting means for detecting the value of the current flowing from the controller to the compressor. Setting value comparing means and second current setting value comparing means (first
Smaller than the set value) and current setting value switching means for switching the first current setting value comparing means to the second current setting value comparing means by the first timer means for measuring the time from the start of operation of the air conditioner and the second By having a compressor rotation speed instruction means for issuing a compressor rotation speed instruction in accordance with the output of the first current set value comparison means or the second current set value comparison means, the controller is provided while ensuring the capacity at the start of the cooling operation. It is possible to prevent excessive temperature rise.
【００１９】さらに、空気調和機の制御装置が収納され
ている室外機の使用される雰囲気温度を検出する室外気
温検出手段と、予め設定された室外気温と比較し第１の
電流設定値比較手段を第２の電流設定値比較手段に切り
換える電流設定値切り替え手段を有することで、外気温
度が低く電装部品温度が高くならない運転条件では、不
要に圧縮機の最高回転数を下げて空気調和機の能力低下
をまねかないようにする。Further, an outdoor air temperature detecting means for detecting the ambient temperature of the outdoor unit in which the control device of the air conditioner is housed, and a first current set value comparing means for comparing with the preset outdoor air temperature. By having the current set value switching means for switching to the second current set value comparison means, the maximum rotation speed of the compressor is unnecessarily lowered to reduce the air conditioner under operating conditions where the outside air temperature is low and the electrical component temperature does not rise. Avoid reducing ability.
【００２０】さらに、空気調和機の室内機に設けた室内
温度検出手段と予め設定された室内温度と比較し第１の
電流設定値比較手段を第２の電流設定値比較手段に切り
換える電流設定値切り替え手段を有することで冷房能力
の不足を防止する。Further, a current set value for switching the first current set value comparison means to the second current set value comparison means by comparing the room temperature detection means provided in the indoor unit of the air conditioner with a preset room temperature. By having the switching means, it is possible to prevent the cooling capacity from being insufficient.
【００２１】さらに、電流設定値変更手段により第１の
電流設定値比較手段を第２の電流設定値比較手段に切り
換えてからの時間を計測し、予め設定された時間経過が
判定された場合に、一定時間、再度第２の電流設定値比
較手段を第１の電流設定値比較手段に切り換える第２の
タイマ手段を有することで冷房能力の不足を防止する。Further, the time after the first current set value comparison means is switched to the second current set value comparison means by the current set value changing means is measured, and when a preset time elapse is judged, By having the second timer means for switching the second current set value comparison means to the first current set value comparison means again for a certain period of time, the shortage of the cooling capacity is prevented.
【００２２】さらに、室外温度検出手段の出力が予め設
定された範囲外であること、または、室内温度検出手段
の出力が予め設定された範囲外であること、または、１
次電流検出手段の出力が予め設定された範囲外であるこ
と、または、空気調和機の制御装置の冷却の役目も果た
す室外機のファンモータの電流検出手段の出力が予め設
定された範囲外であることを検出した場合、制御装置で
駆動する圧縮機の最高回転数を予め設定された回転数に
設定する異常検知手段を有することで制御を司るセンサ
等が万一故障しても制御装置の信頼性が確保できる。Further, the output of the outdoor temperature detecting means is outside the preset range, or the output of the indoor temperature detecting means is outside the preset range, or 1
The output of the next current detection means is outside the preset range, or the output of the current detection means of the fan motor of the outdoor unit, which also plays the role of cooling the control device of the air conditioner, is outside the preset range. When it is detected that there is an abnormality detection means for setting the maximum rotation speed of the compressor driven by the control device to a preset rotation speed, even if a sensor or the like that controls the control fails, Reliability can be secured.
【００２３】本発明は、上記の通りインバータ制御装置
から圧縮機に流れる電流値を必要に応じて制限する事
で、空気調和機としての性能を犠牲にする事なく、小型
軽量化、コストダウン、信頼性を向上させた空気調和機
を実現している。As described above, according to the present invention, the current value flowing from the inverter controller to the compressor is limited as required, so that the size and weight can be reduced and the cost can be reduced without sacrificing the performance of the air conditioner. We have realized an air conditioner with improved reliability.
【図１】本発明の一実施例における空気調和機の制御装
置のブロック図FIG. 1 is a block diagram of a control device for an air conditioner according to an embodiment of the present invention.
【図２】同制御装置の流れ図FIG. 2 is a flow chart of the control device.
【図３】同流れ図[Figure 3] Flow chart
【図４】同流れ図[Figure 4] Flow chart
【図５】同流れ図[Fig. 5] Flow chart
【図６】同流れ図[Figure 6] Flow chart
【図７】本発明の一実施例における空気調和機の構成図FIG. 7 is a configuration diagram of an air conditioner according to an embodiment of the present invention.
【図８】従来例制御装置の流れ図FIG. 8 is a flow chart of a conventional control device.
１ 第１のタイマ手段 ２ 外気温検出手段 ３ 内気温検出手段 ４ 第２のタイマ手段 ５ 電流設定値切り替え手段 ６ 電流検出手段 ７ 第１の電流設定値比較手段 ８ 第２の電流設定値比較手段 ９ 異常検出手段 １０ 圧縮機回転数指示手段 １１ ファンモータ電流検出手段 １２ 室内機 １３ 内気温センサ １４ 室外機 １５ 圧縮機 １６ 外気温センサ １７ 制御装置 １８ ファンモータ 1 1st timer means 2 Outside temperature detection means 3 Inside temperature detection means 4 2nd timer means 5 Current setting value switching means 6 Current detection means 7 1st current setting value comparison means 8 2nd current setting value comparison means 9 Abnormality Detecting Means 10 Compressor Revolution Instructing Means 11 Fan Motor Current Detecting Means 12 Indoor Unit 13 Indoor Air Temperature Sensor 14 Outdoor Air Machine 15 Compressor 16 Outdoor Air Temperature Sensor 17 Controller 18 Fan Motor
Claims (5)
の制御装置において、前記制御装置から圧縮機へ流れる
電流値を検出する電流検出手段と前記電流値の大きさを
比較する第１の電流設定値比較手段と第２の電流設定値
比較手段（第１の設定値より小）と前記空気調和機運転
開始からの時間を計測する第１のタイマ手段により前記
第１の電流設定値比較手段を前記第２の電流設定値比較
手段に切り換える電流設定値切り替え手段と前記第１の
電流設定値比較手段または前記第２の電流設定値比較手
段の出力に応じて圧縮機回転数指示を出す圧縮機回転数
指示手段を有する事を特徴とする空気調和機の制御装
置。1. A controller for an air conditioner driven by an inverter, wherein a current detecting means for detecting a value of a current flowing from the controller to the compressor and a first current set value for comparing the magnitude of the current value. The first current set value comparison means is composed of the comparison means, the second current set value comparison means (smaller than the first set value), and the first timer means for measuring the time from the start of the air conditioner operation. Compressor rotation for issuing a compressor rotation speed instruction according to the output of the current set value switching means for switching to the second current set value comparison means and the first current set value comparison means or the second current set value comparison means. An air conditioner control device having a number indicating means.
る室外機の使用される雰囲気温度を検出する室外気温検
出手段と、予め設定された室外気温と比較し第１の電流
設定値比較手段を第２の電流設定値比較手段に切り換え
る電流設定値切り替え手段を有することを特徴とする請
求項１記載の空気調和機の制御装置。2. An outdoor air temperature detecting means for detecting an ambient temperature used in an outdoor unit in which the control device of the air conditioner is housed, and a first current set value comparison by comparing with an outdoor air temperature set in advance. The control device for an air conditioner according to claim 1, further comprising a current set value switching unit that switches the unit to the second current set value comparison unit.
手段と予め設定された室内温度と比較し第１の電流設定
値比較手段を第２の電流設定値比較手段に切り換える電
流設定値切り替え手段を有することを特徴とする請求項
１記載の空気調和機の制御装置。3. A current set value for switching the first current set value comparison means to the second current set value comparison means by comparing the room temperature detection means provided in the indoor unit of the air conditioner with a preset room temperature. The control device for an air conditioner according to claim 1, further comprising a switching unit.
値比較手段を第２の電流設定値比較手段に切り換えてか
らの時間を計測し、予め設定された時間経過が判定され
た場合に、一定時間、再度前記第２の電流設定値比較手
段を前記第１の電流設定値比較手段に切り換える第２の
タイマ手段を有することを特徴とする請求項１記載の空
気調和機の制御装置。4. A method for measuring the time after switching the first current set value comparison means to the second current set value comparison means by the current set value changing means, and when it is determined that a preset time has elapsed 2. The control device for an air conditioner according to claim 1, further comprising second timer means for switching the second current set value comparison means to the first current set value comparison means again for a certain period of time.
範囲外であることと、室内温度検出手段の出力が予め設
定された範囲外であることと、１次電流検出手段の出力
が予め設定された範囲外であることと、空気調和機の制
御装置の冷却の役目も果たす前記室外機のファンモータ
の電流検出手段の出力が予め設定された範囲外であるこ
とのいずれかを検出した場合、制御装置で駆動する圧縮
機の最高回転数を予め設定された回転数に設定する異常
検知手段を有することを特徴とする請求項１記載の空気
調和機の制御装置。5. The output of the outdoor temperature detecting means is out of a preset range, the output of the indoor temperature detecting means is out of the preset range, and the output of the primary current detecting means is in advance. It is detected that the current is outside the preset range or that the output of the current detection means of the fan motor of the outdoor unit, which also plays the role of cooling the control device of the air conditioner, is outside the preset range. In this case, the control device for an air conditioner according to claim 1, further comprising an abnormality detecting means for setting the maximum rotation speed of the compressor driven by the control device to a preset rotation speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4343938A JPH06193945A (en) | 1992-12-24 | 1992-12-24 | Control device for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4343938A JPH06193945A (en) | 1992-12-24 | 1992-12-24 | Control device for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06193945A true JPH06193945A (en) | 1994-07-15 |
Family
ID=18365407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4343938A Pending JPH06193945A (en) | 1992-12-24 | 1992-12-24 | Control device for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06193945A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4040329C2 (en) * | 1990-12-17 | 2000-06-29 | Itvi Inttech Venture Investa | Method and sensor for the detection of NOx in complex gas mixtures |
| WO2003085265A1 (en) * | 2002-04-10 | 2003-10-16 | Daikin Industries, Ltd. | Compressor unit and refrigerator using the unit |
| JP2006352988A (en) * | 2005-06-15 | 2006-12-28 | Dai-Dan Co Ltd | Inverter |
| WO2008096734A1 (en) * | 2007-02-08 | 2008-08-14 | Ihi Corporation | Control device for drive unit of rotary motor for electrically assisted supercharger |
| WO2008149721A1 (en) * | 2007-06-06 | 2008-12-11 | Sanden Corporation | Electric compressor control device |
| JP2013036704A (en) * | 2011-08-10 | 2013-02-21 | Daikin Industries Ltd | Refrigeration device |
-
1992
- 1992-12-24 JP JP4343938A patent/JPH06193945A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4040329C2 (en) * | 1990-12-17 | 2000-06-29 | Itvi Inttech Venture Investa | Method and sensor for the detection of NOx in complex gas mixtures |
| WO2003085265A1 (en) * | 2002-04-10 | 2003-10-16 | Daikin Industries, Ltd. | Compressor unit and refrigerator using the unit |
| US7134295B2 (en) | 2002-04-10 | 2006-11-14 | Daikin Industries, Ltd. | Compressor unit and refrigerator using the unit |
| CN100376853C (en) * | 2002-04-10 | 2008-03-26 | 大金工业株式会社 | Compressor unit and refrigerator using the unit |
| AU2003236004B2 (en) * | 2002-04-10 | 2008-06-19 | Daikin Industries, Ltd. | Compressor unit and refrigerator using the unit |
| JP2006352988A (en) * | 2005-06-15 | 2006-12-28 | Dai-Dan Co Ltd | Inverter |
| WO2008096734A1 (en) * | 2007-02-08 | 2008-08-14 | Ihi Corporation | Control device for drive unit of rotary motor for electrically assisted supercharger |
| JP2008196323A (en) * | 2007-02-08 | 2008-08-28 | Ihi Corp | Control device for drive unit of rotary motor for electrically assisted supercharger |
| KR101274490B1 (en) * | 2007-02-08 | 2013-06-14 | 가부시키가이샤 아이에이치아이 | Control device for drive unit of rotary motor for electrically assisted supercharger |
| US8479513B2 (en) | 2007-02-08 | 2013-07-09 | Ihi Corporation | Control device for drive unit of rotary motor for electrically assisted turbocharger |
| WO2008149721A1 (en) * | 2007-06-06 | 2008-12-11 | Sanden Corporation | Electric compressor control device |
| JP2013036704A (en) * | 2011-08-10 | 2013-02-21 | Daikin Industries Ltd | Refrigeration device |
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