JP2014196860A - Air conditioner - Google Patents

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JP2014196860A
JP2014196860A JP2013072324A JP2013072324A JP2014196860A JP 2014196860 A JP2014196860 A JP 2014196860A JP 2013072324 A JP2013072324 A JP 2013072324A JP 2013072324 A JP2013072324 A JP 2013072324A JP 2014196860 A JP2014196860 A JP 2014196860A
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unit
compressor
time
room
deceleration time
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正慶 雨松
Masayoshi Amematsu
正慶 雨松
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Fujitsu General Ltd
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Fujitsu General Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner capable of controlling an operation capability not to be excessive even if a room to be actually temperature-controlled is small relatively to the dimension of the room, and improving the energy saving effect without frequent re-start/re-stop of a compressor.SOLUTION: An operation capability preset according to a dimension of a room is lowered by one step if actually measured time since start of an operation until deceleration of a compressor starts is shorter than reference deceleration time preset according to operation conditions or if the compressor restarts. Furthermore, actual data on a last indicated operation capability is accumulated according to the actually measured time until the deceleration of the compressor starts and the operation conditions for every operation. If the actual data corresponding to the actually measured time is present, the operation capability changes to that corresponding to the actual data.

Description

本発明は、部屋の広さに応じて安定した室温に制御することができる空気調和機に関する。 The present invention relates to an air conditioner that can be controlled at a stable room temperature according to the size of a room.

空気調和機は、設置する部屋の広さに適した冷暖房能力、例えば8畳用、20畳用など
、の装置を使用することが一般的である。これは空気調和機が冷暖房能力に合致した部屋の広さで使用された時に、最も快適性や省エネ効果が得られるように設計されているためである。
In general, an air conditioner uses a device having an air conditioning capacity suitable for the size of a room to be installed, for example, for 8 tatami mats and for 20 tatami mats. This is because the air conditioner is designed to obtain the most comfortable and energy-saving effect when used in a room size that matches the air conditioning capacity.

ところが、空気調和機の利用者の住居にはさまざまな間取りがあり、二間続きの部屋の一方の部屋には空気調和機を設置することが困難な場合も少なくない。このような部屋に空気調和機を設置する場合、利用者は設置が容易な一方の部屋に、二間を合わせた広さに対応することができる冷暖房能力の空気調和機を設置し、部屋の利用方法によっては、二間を分割する間仕切りを閉じて空気調和機を設置した一方の部屋だけを冷暖房する場合がある。 However, there are various layouts in the residences of users of air conditioners, and it is often difficult to install an air conditioner in one of the two consecutive rooms. When installing an air conditioner in such a room, the user installs an air conditioner with an air-conditioning capacity that can accommodate the size of the two rooms in one room that is easy to install. Depending on the method of use, there is a case where only one room in which the air conditioner is installed with the partition dividing the space between the two is air-conditioned.

このような利用方法の場合、室温を制御する部屋の広さに対して冷暖房能力が過剰となり、例えば20畳用の冷暖房能力の空気調和機で実質8畳の部屋を冷暖房するような場合には、20畳用に設計された空気調和機では室温を急速に設定温度へと到達させることが出来ても、圧縮機が頻繁に再起動、再停止を繰り返す運転となる場合があり、省エネ効果の低下を招いていた。 In the case of such a usage method, the air conditioning capacity becomes excessive with respect to the size of the room for controlling the room temperature. For example, in the case of heating and cooling a room of 8 tatami mats with an air conditioner having an air conditioning capacity for 20 tatami mat In an air conditioner designed for 20 tatami mats, even if the room temperature can be rapidly reached the set temperature, the compressor may frequently be restarted and restarted, resulting in an energy saving effect. It was causing a decline.

このような背景から、利用者がリモコンで設定した部屋の広さに応じて、室外機の最大電流や室内機ファンの回転数を可変して運転することができる空気調和機が提案されている。(例えば、特許文献1参照)。 Against this background, an air conditioner that can be operated with the maximum current of the outdoor unit and the rotation speed of the indoor unit fan varied according to the size of the room set by the remote controller by the user has been proposed. . (For example, refer to Patent Document 1).

特開平6−66444号公報(第2〜4頁、図1)JP-A-6-66444 (pages 2 to 4, FIG. 1)

特許文献1の空気調和機は、二間を分割する間仕切りの開閉などで室温を制御する部屋の広さが変わる時、利用者がリモコンから部屋の広さ(畳数)を設定することによって、室温の制御を安定化するものである。しかしながら部屋の広さの設定操作を利用者に委ねているため、利用者の設定忘れや、設定を行った利用者の意図に反して他の利用者が間仕切りの開閉などで室温を制御する部屋の広さを変えることが想定され、設定した部屋の広さに対して実際に温度調節を行う部屋が狭い場合には、運転能力が過剰となり省エネ効果の悪化を招くという問題があった。 In the air conditioner of Patent Document 1, when the size of the room for controlling the room temperature changes by opening and closing the partition that divides the two, the user sets the size of the room (the number of tatami mats) from the remote control, It stabilizes the control of room temperature. However, because the room size setting operation is left to the user, the room where other users control the room temperature by opening / closing the partition against the user's intention or forgetting the user's intention. If the room where the temperature is actually adjusted with respect to the set room size is narrow, there is a problem that the driving capacity becomes excessive and the energy saving effect is deteriorated.

本発明は以上述べた問題点を解決し、利用者に部屋の広さの設定操作を委ねることなく
、空気調和機が自らの運転状況から部屋の広さを推定することで、間仕切りの開閉などで部屋の広さが変化しても、運転能力が過剰にならないように制御し、圧縮機を頻繁に再起動、再停止させることなく省エネ効果を改善することができる空気調和機を提供することを目的とする。
The present invention solves the above-mentioned problems, and without entrusting the user with the setting operation of the room size, the air conditioner estimates the size of the room from its own operating status, thereby opening and closing the partition, etc. To provide an air conditioner that can control the operation capacity so that it does not become excessive even if the room size changes, and can improve the energy saving effect without frequently restarting and stopping the compressor With the goal.

本発明は上述の課題を解決するため、本発明の請求項1に記載の発明は、室内機と室外機を備え、設定温度と室温から圧縮機の回転数を加減速することができる空気調和機であって、前記室外機は、外気温を検出する外気温検出部と、前記室内機との通信を行う室外機通信部と、前記圧縮機を前記室内機から指示された回転数で回転させる圧縮機駆動部と
、これらを制御する室外機制御部とを備え、前記室内機は、室温を検出する室温検出部と
、前記室外機との通信を行う通信部と、時間を計時する計時部と、運転開始から前記圧縮機が減速を開始するまでの基準時間が設定された基準減速時間テーブルと、前記圧縮機駆動部へ指示する回転数をコードで示した基準回転数コードが部屋の広さに応じて段階的に設定された運転能力切替えテーブルとを記憶する記憶部と、これらを制御する制御部とを備え、前記制御部は、運転を開始した時、前記計時部へ運転開始から前記圧縮機が減速を開始するまでの減速時間の計時を指示し、前記圧縮機が減速を開始した時、前記基準減速時間テーブルから前記基準減速時間を参照し、参照した前記基準減速時間と前記計時部で計時した減速時間とを比較し、計時した減速時間が前記基準減速時間よりも短い場合、部屋の広さに対して運転能力が過剰と判定し、前記運転能力切替えテーブルから、部屋の広さを1段階狭くした前記基準回転数コードを参照し、その基準回転数コードを前記室外機へ指示することを特徴とする。
In order to solve the above-mentioned problems, the present invention according to claim 1 of the present invention includes an indoor unit and an outdoor unit, and is capable of accelerating / decelerating the rotational speed of the compressor from a set temperature and room temperature. The outdoor unit includes an outdoor air temperature detection unit that detects an outdoor air temperature, an outdoor unit communication unit that communicates with the indoor unit, and the compressor that rotates at a rotational speed instructed by the indoor unit. A compressor driving unit to be controlled, and an outdoor unit control unit to control these, the indoor unit includes a room temperature detection unit that detects a room temperature, a communication unit that communicates with the outdoor unit, and a timing that measures time A reference deceleration time table in which a reference time from the start of operation to the start of deceleration of the compressor is set, and a reference rotation speed code indicating a rotation speed instructed to the compressor drive section is a room Driving capacity switching table set in stages according to the size And a control unit for controlling them. When the control unit starts operation, the control unit determines the deceleration time from the start of operation to the time when the compressor starts to decelerate. Instructing timekeeping, when the compressor starts to decelerate, refer to the reference deceleration time from the reference deceleration time table, compare the referenced reference deceleration time with the deceleration time measured by the timekeeping unit, If the deceleration time is shorter than the reference deceleration time, it is determined that the driving capacity is excessive with respect to the room size, and the reference rotation speed code in which the room size is narrowed by one step is determined from the driving capacity switching table. The reference rotational speed code is instructed to be instructed to the outdoor unit.

また、本発明の請求項2に記載の発明は、前記制御部は、前記圧縮機が予め定めた所定時間内に再起動した時、部屋の広さに対して運転能力が過剰と判定し、前記運転能力切替えテーブルから現在の部屋の広さを1段階狭くした前記基準回転数コードを参照し、その基準回転数コードを前記室外機へ指示することを特徴とする。 In the invention according to claim 2 of the present invention, when the compressor is restarted within a predetermined time, the controller determines that the driving capacity is excessive with respect to the size of the room, The reference rotational speed code in which the current room size is narrowed by one step from the driving capacity switching table is referred to, and the reference rotational speed code is instructed to the outdoor unit.

また、本発明の請求項3に記載の発明は、室内機と室外機を備え、設定温度と室温から圧縮機の回転数を加減速することができる空気調和機であって、前記室外機は、外気温を検出する外気温検出部と、前記室内機との通信を行う室外機通信部と、前記圧縮機を前記室内機から指示された回転数で回転させる圧縮機駆動部と、これらを制御する室外機制御部とを備え、前記室内機は、室温を検出する室温検出部と、前記室外機との通信を行う通信部と、時間を計時する計時部と、前記圧縮機駆動部へ指示する回転数をコードで示した基準回転数コードが部屋の広さに応じて段階的に設定された運転能力切替えテーブルと、運転を停止する度に、停止前の運転において前記計時部で計時した運転開始から前記圧縮機が減速を開始するまでの減速時間と、停止前の運転において前記室外機へ最後に指示していた前記基準回転数コードを累積した減速時間別運転能力実績データとを記憶する記憶部と、これらを制御する制御部とを備え、前記制御部は、運転を開始した時、前記計時部へ運転開始から前記圧縮機が減速を開始するまでの減速時間の計時を指示し、前記圧縮機が減速を開始した時、計時した前記圧縮機の減速時間に対応する前記記憶部の前記減速時間別運転能力実績データを参照し、前記基準回転数コードを累積した数値データが記憶されている場合、その数値データを現在の部屋の広さに対して適切な運転能力の前記基準回転数コードとして、その前記基準回転数コードを前記室外機へ指示することを特徴とする
The invention according to claim 3 of the present invention is an air conditioner that includes an indoor unit and an outdoor unit, and is capable of accelerating and decelerating the rotational speed of the compressor from a set temperature and room temperature. An outside air temperature detecting unit that detects an outside air temperature, an outdoor unit communication unit that communicates with the indoor unit, a compressor driving unit that rotates the compressor at a rotation speed designated by the indoor unit, and An outdoor unit control unit that controls, the indoor unit includes a room temperature detection unit that detects a room temperature, a communication unit that communicates with the outdoor unit, a time measurement unit that measures time, and the compressor drive unit A driving speed switching table in which a reference speed code indicating a specified speed is indicated in stages according to the size of the room, and the time measuring unit counts the time before the stop every time the operation is stopped. Deceleration from the start of operation until the compressor starts decelerating And a storage unit for storing the driving ability performance data for each deceleration time obtained by accumulating the reference rotation speed code last instructed to the outdoor unit in the operation before the stop, and a control unit for controlling these. The control unit, when starting operation, instructs the timing unit to measure the deceleration time from the start of operation until the compressor starts decelerating, and when the compressor starts decelerating, When the numerical data obtained by accumulating the reference rotation speed code is stored with reference to the operation performance result data according to the deceleration time of the storage unit corresponding to the deceleration time of the compressor, the numerical data is stored in the current room. The reference rotational speed code having an appropriate driving capability is instructed to the outdoor unit.

以上の手段を用いることにより、本発明による空気調和機によれば、間仕切りの開閉などにより、空気調和機の冷暖房能力が過剰となる部屋の広さに変化しても、利用者に部屋の広さの設定操作を委ねることなく運転能力が過剰となっている状態を判定し、圧縮機を頻繁に再起動、再停止させないように制御することで省エネ効果を改善することができる
。また、運転毎の実測データを蓄積し活用することで、より素早く圧縮機を再起動、再停止させない制御を開始することができる。
By using the above means, according to the air conditioner according to the present invention, even if the air conditioner has an excessive cooling / heating capacity due to opening / closing of the partition, etc., the user can widen the room. It is possible to improve the energy saving effect by determining the state in which the operating capacity is excessive without leaving the setting operation and controlling the compressor so that it is not frequently restarted or stopped. In addition, by accumulating and utilizing the actual measurement data for each operation, it is possible to start control without restarting and restarting the compressor more quickly.

本発明による空気調和機を示すブロック図である。It is a block diagram which shows the air conditioner by this invention. 暖房能力が異なる空気調和機を同じ広さの部屋で運転した場合の室温変化の一例を示すグラフである。It is a graph which shows an example of the room temperature change at the time of driving the air conditioner from which heating capability differs in the room of the same area. 本発明による圧縮機の基準減速時間テーブルを説明する説明図である。It is explanatory drawing explaining the reference | standard deceleration time table of the compressor by this invention. 本発明による圧縮機回転数テーブルを説明する説明図である。It is explanatory drawing explaining the compressor rotation speed table by this invention. 本発明による運転能力切替えテーブルを説明する説明図である。It is explanatory drawing explaining the driving capability switching table by this invention. 本発明による減速時間別運転能力実績データを説明する説明図である。It is explanatory drawing explaining the driving capability performance data according to deceleration time by this invention. 本発明による運転能力切替え処理の一例を示すフローチャートである。It is a flowchart which shows an example of the driving capability switching process by this invention.

以下、本発明の実施の形態を、添付図面に基づいた実施例として詳細に説明する。なお
、本発明は以下の実施形態に限定されることなく、本発明の主旨を逸脱しない範囲で種々変形することが可能である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail as examples based on the attached drawings. Note that the present invention is not limited to the following embodiments, and various modifications can be made without departing from the spirit of the present invention.

図1は、本発明による空気調和機を示すブロック図である。図1において空気調和機1は、冷暖房を行う部屋に設置される室内機10と、屋外に設置される室外機20と、利用者が空気調和機1の操作に使用する図示しないリモコンとで構成される。 FIG. 1 is a block diagram showing an air conditioner according to the present invention. In FIG. 1, the air conditioner 1 includes an indoor unit 10 installed in a room for air conditioning, an outdoor unit 20 installed outdoors, and a remote controller (not shown) used by a user for operating the air conditioner 1. Is done.

室内機10は、リモコンとの通信を行うリモコン通信部11と、室外機20に通信線30で接続され室外機20との通信を行う通信部12と、室内機10が設置された部屋の室温を検出する室温検出部13と、時間を計時する計時部14と、運転に関する各種データを記憶する記憶部15と、ファンモーターを回転させるファンモーター駆動部16と、これらを制御する制御部17とを備えている。 The indoor unit 10 includes a remote controller communication unit 11 that communicates with a remote controller, a communication unit 12 that is connected to the outdoor unit 20 via a communication line 30 and communicates with the outdoor unit 20, and a room temperature of a room in which the indoor unit 10 is installed. A room temperature detecting unit 13 for detecting the time, a time measuring unit 14 for measuring time, a storage unit 15 for storing various data relating to operation, a fan motor driving unit 16 for rotating the fan motor, and a control unit 17 for controlling them. It has.

室外機20は、室外機20が設置された屋外の気温を検出する外気温検出部21と、室内機10に通信線30で接続され室内機10との通信を行う室外機通信部22と、圧縮機を回転させる圧縮機駆動部23と、室外機20の運転に関する各種データを記憶する室外機記憶部24と、これらを制御する室外機制御部25とを備えている。 The outdoor unit 20 includes an outdoor temperature detection unit 21 that detects an outdoor temperature in which the outdoor unit 20 is installed, an outdoor unit communication unit 22 that is connected to the indoor unit 10 via a communication line 30 and communicates with the indoor unit 10, The compressor drive part 23 which rotates a compressor, the outdoor unit memory | storage part 24 which memorize | stores the various data regarding the driving | operation of the outdoor unit 20, and the outdoor unit control part 25 which controls these are provided.

図2は、暖房能力が異なる空気調和機を同じ広さの部屋で運転した場合の室温変化の一例を示すグラフである。図2は縦軸に室温、横軸に運転時間を示し、実線の曲線Aは、8畳用の暖房能力の空気調和機を8畳の部屋で室温が設定温度Tsとなる様に暖房運転した時の室温の変化を示している。また、破線の曲線Bは、20畳用の暖房能力の空気調和機を8畳の部屋で室温が設定温度Tsとなる様に暖房運転した時の室温の変化を示している
FIG. 2 is a graph showing an example of a change in room temperature when operating air conditioners with different heating capacities in a room of the same size. FIG. 2 shows room temperature on the vertical axis and operating time on the horizontal axis, and a solid curve A shows that an air conditioner with heating capacity for 8 tatami mats is heated in an 8 tatami room so that the room temperature becomes the set temperature Ts. It shows the change in room temperature over time. A broken line curve B shows a change in room temperature when an air conditioner having a heating capacity for 20 tatamis is heated in an 8 tatami room so that the room temperature becomes the set temperature Ts.

空気調和機は利用者が希望する設定温度Tsと運転開始時の室温との温度差が大きい場合、室温を設定温度Tsに短時間で近づけるために、最大運転能力で暖房運転を開始する
。次に室温の変化を監視しながら室温が設定温度Tsに近づいたP点から、室温が設定温度Tsを大きく超えないように圧縮機の回転数を減速して室温の上昇速度を遅らせる。以降は室温の変化に応じて圧縮機の回転数を可変する制御が行われるが、さらに室温が上昇し設定温度Tsからの室温差で予め設定された温度Ts+よりも上昇した場合には圧縮機を停止する。そして、圧縮機の停止後に室温が徐々に低下し、設定温度Tsからの室温差で予め設定されたTs−よりも室温が低下した場合には圧縮機を再起動する。
When the temperature difference between the set temperature Ts desired by the user and the room temperature at the start of operation is large, the air conditioner starts the heating operation with the maximum operation capacity in order to bring the room temperature close to the set temperature Ts in a short time. Next, while monitoring the change in room temperature, from the point P where the room temperature approaches the set temperature Ts, the rotational speed of the compressor is slowed down so that the room temperature does not greatly exceed the set temperature Ts. Thereafter, control is performed to vary the rotational speed of the compressor according to the change in the room temperature. However, when the room temperature further rises and rises above the preset temperature Ts + due to the room temperature difference from the set temperature Ts, the compressor To stop. Then, after the compressor is stopped, the room temperature gradually decreases, and when the room temperature is lower than the preset Ts− due to the room temperature difference from the set temperature Ts, the compressor is restarted.

図2の曲線Bの温度変化が示すように、部屋の広さに対して暖房能力が過剰な状態の曲線Bは、P点から圧縮機の回転数を段階的に下げても十分に室温の上昇速度を減速することができず、短時間で設定温度Tsを超えた室温に達し、さらに室温が温度Ts+を超えた時に圧縮機を停止させる。また、圧縮機を停止させた後、室温がTs−よりも低下した際に圧縮機を再起動させるが、この際にも室温の上昇速度を減速することができず、短時間で設定温度Tsを大きく超えた室温に達し、再び室温が温度Ts+を超えた時に圧縮機を再停止させる。このように設定温度Tsを大きく超えたハンチング現象が繰り返され、室温を設定温度Ts付近で安定させる運転を行うことができない。 As shown by the temperature change of the curve B in FIG. 2, the curve B in which the heating capacity is excessive with respect to the size of the room is sufficiently room temperature even if the rotational speed of the compressor is decreased stepwise from the point P. The ascending speed cannot be reduced, the room temperature that has exceeded the set temperature Ts is reached in a short time, and the compressor is stopped when the room temperature exceeds the temperature Ts +. In addition, after the compressor is stopped, the compressor is restarted when the room temperature falls below Ts−. However, even at this time, the rising speed of the room temperature cannot be reduced, and the set temperature Ts can be reduced in a short time. When the room temperature is greatly exceeded, and the room temperature again exceeds the temperature Ts +, the compressor is restarted. As described above, the hunting phenomenon that greatly exceeds the set temperature Ts is repeated, and the operation for stabilizing the room temperature in the vicinity of the set temperature Ts cannot be performed.

次に、曲線Aを空気調和機の暖房能力と部屋の広さが合致している場合の室温変化の基準として、曲線Bとの比較によって部屋の広さに対して暖房能力が過剰な状態の時に見られる室温の変化時間の特性について説明する。運転開始後の特性として、運転開始から圧縮機が減速を開始するP点まで到達時間の違いがあり、曲線BのP点までの到達時間はT1であり、T1は曲線AのP点までの到達時間T1typよりも短くなる。また、曲線Aは狭い部屋に合致した暖房能力で運転しているため、圧縮機の起動や停止を行わずに運転時間の経過と共に徐々に室温の変化量が減少していく。 Next, using curve A as a reference for room temperature change when the heating capacity of the air conditioner matches the room size, the heating capacity is excessive with respect to the room size by comparison with curve B. The characteristics of the change time of the room temperature that is sometimes seen will be described. As a characteristic after the start of operation, there is a difference in arrival time from the start of operation to the point P where the compressor starts to decelerate, the arrival time to the point P of the curve B is T1, and T1 is the point up to the point P of the curve A. It becomes shorter than the arrival time T1typ. In addition, since the curve A is operated with a heating capacity that matches a narrow room, the amount of change in the room temperature gradually decreases as the operation time elapses without starting and stopping the compressor.

本発明の空気調和機は図2で説明した室温の変化時間の特性を利用し、運転開始から圧縮機の減速が開始されるまでを計時した時間と、予め記憶された暖房能力と部屋の広さが合致している場合に運転開始から圧縮機の減速が開始されるまでの時間である基準減速時間とを比較して、部屋の広さに対して暖房能力が過剰であるか否かを判定する。また、運転開始から予め定めた所定時間内(例えば、1時間など)に圧縮機が再起動した場合にも暖房能力が過剰と判定する。なお、図2では暖房運転を例に説明したが、冷房運転においても同様の判定を行う。 The air conditioner of the present invention uses the characteristics of the room temperature change time described in FIG. 2, and measures the time from the start of operation to the start of deceleration of the compressor, the preliminarily stored heating capacity and the size of the room. Compared with the reference deceleration time, which is the time from the start of operation to the start of the deceleration of the compressor when the conditions match, it is determined whether the heating capacity is excessive relative to the size of the room. judge. Also, it is determined that the heating capacity is excessive when the compressor is restarted within a predetermined time (for example, one hour) from the start of operation. Although the heating operation has been described as an example in FIG. 2, the same determination is performed also in the cooling operation.

図3は、本発明による圧縮機の基準減速時間テーブルを説明する説明図である。この圧縮機の基準減速時間テーブルは、室内機10の記憶部15に予め記憶され、計時部14によって計時された、運転開始から圧縮機が減速を開始するまでの時間との比較に利用される。なお、図3は、暖房運転時の圧縮機の基準減速時間を示すテーブルである。 FIG. 3 is an explanatory diagram for explaining a reference deceleration time table of the compressor according to the present invention. The reference deceleration time table of the compressor is stored in advance in the storage unit 15 of the indoor unit 10 and is used for comparison with the time from the start of operation until the compressor starts to be decelerated, which is timed by the time measuring unit 14. . FIG. 3 is a table showing the reference deceleration time of the compressor during the heating operation.

図3の縦軸は、設定温度と運転開始時の室温との温度差を温度差帯に分割したものであり、温度差が1℃〜5℃までを1つの温度差帯とし、5℃を超える温度差についても6℃〜10℃というように5℃間隔で分割している。横軸は、運転開始時の外気温を外気温帯に分割したものであり、外気温0℃以下と、26℃以上と、1℃〜25℃までを5℃間隔で分割している。そして、縦軸の設定温度と室温の温度差帯と横軸の外気温帯に対応する基準時間(単位:分)がそれぞれ設定されている。ここで、運転開始時の設定温度が20℃、室温が12℃、外気温が4℃、の場合には、縦軸が6℃〜10℃の温度差帯、横軸が1℃〜5℃の外気温帯に該当するため基準減速時間は点線の囲いで示した20分となる
。そして基準減速時間と計時した減速時間とを比較し、計時した減速時間が基準減速時間の20分よりも短い場合に部屋の広さに対して暖房能力が過剰と判定する。
The vertical axis in FIG. 3 is obtained by dividing the temperature difference between the set temperature and the room temperature at the start of operation into temperature difference bands. The temperature difference is 1 ° C. to 5 ° C. as one temperature difference band. The temperature difference exceeding is divided at intervals of 5 ° C. such as 6 ° C. to 10 ° C. The horizontal axis divides the outside air temperature at the start of operation into outside air temperature zones, and divides the outside air temperature at 0 ° C. or lower, 26 ° C. or higher, and 1 ° C. to 25 ° C. at 5 ° C. intervals. A reference time (unit: minute) corresponding to the set temperature on the vertical axis, the temperature difference band between the room temperature, and the outside air temperature band on the horizontal axis is set. Here, when the set temperature at the start of operation is 20 ° C., the room temperature is 12 ° C., and the outside air temperature is 4 ° C., the vertical axis is a temperature difference band of 6 ° C. to 10 ° C., and the horizontal axis is 1 ° C. to 5 ° C. Therefore, the reference deceleration time is 20 minutes indicated by the dotted line. Then, the reference deceleration time is compared with the measured deceleration time, and when the measured deceleration time is shorter than 20 minutes of the reference deceleration time, it is determined that the heating capacity is excessive with respect to the size of the room.

なお、図3は暖房運転時の基準時間を示すテーブルであるが、同様に冷房運転時の基準減速時間を示すテーブルも室内機10の記憶部15に予め記憶され、冷房能力の過剰を判定するために用いられる。また、図3の縦軸に示す設定温度と室温の温度差帯と、横軸に示す外気温帯の各項目については分割方法をこれに限定するものではない。また、各項目に対応する基準時間の値についてもこれに限定するものではない。さらに各基準時間は減速時間との比較に用いる際、空気調和機1の設置環境による誤差を考慮して例えば、±1(分)など、に補正してもよい。   FIG. 3 is a table showing the reference time during the heating operation. Similarly, a table showing the reference deceleration time during the cooling operation is also stored in advance in the storage unit 15 of the indoor unit 10 to determine whether the cooling capacity is excessive. Used for. Further, the division method is not limited to this for each item of the temperature difference band between the set temperature and room temperature shown on the vertical axis in FIG. 3 and the outside air temperature band shown on the horizontal axis. Further, the value of the reference time corresponding to each item is not limited to this. Furthermore, when each reference time is used for comparison with the deceleration time, it may be corrected to, for example, ± 1 (minutes) in consideration of an error due to the installation environment of the air conditioner 1.

図4は、本発明による圧縮機回転数テーブルを説明する説明図である。この圧縮機回転数テーブルは、室外機20の室外機記憶部24に予め記憶され、圧縮機の回転数を可変する時、室外機制御部25によって利用されるものである。図4の左側から0から30に分割されたコードと、その右側にはコードに対応する圧縮機の回転数(単位:rps)が設定されており、コード“0”が圧縮機の停止を示す回転数“0rps”、コード“30”が圧縮機の最大回転数を示す“119rps”、コード“1〜29”はコードの数値が増える程、圧縮機の回転数が増加するように分割されている。 FIG. 4 is an explanatory diagram illustrating a compressor rotation speed table according to the present invention. This compressor rotation speed table is stored in advance in the outdoor unit storage unit 24 of the outdoor unit 20, and is used by the outdoor unit control unit 25 when changing the rotation speed of the compressor. The code divided from 0 to 30 from the left side of FIG. 4 and the compressor rotation speed (unit: rps) corresponding to the code are set on the right side, and the code “0” indicates the stop of the compressor. Rotation speed “0 rps”, code “30” indicates the maximum rotation speed of the compressor “119 rps”, and codes “1 to 29” are divided so that the rotation speed of the compressor increases as the code value increases. Yes.

図5は、本発明による運転能力切替えテーブルを説明する説明図である。この運転能力切替えテーブルは、室内機10の記憶部15に予め記憶され、図3で説明した冷暖房能力が過剰と判定された時に利用されるものである。縦軸に利用者が設定した風量で分割された強風、弱風、微風の項目と、図4で説明した圧縮機の回転数を可変させるために用いるコードを記した圧縮機基準回転数コードの項目、横軸に部屋の広さ(畳数)に対応した運転能力を最大の6から最小の1までに切替える段階数の項目があり、縦軸の風量と横軸の段階数に応じた室内機10のファンモーター回転数(単位:rpm)と、横軸の段階数に応じて室外機20へ指示する圧縮機基準回転数コードが設定されている。なお、運転開始時は従来の空気調和機と同様に設定された風量に応じた6段階(20畳)の最大回転数をファンモーター駆動部16へ指示し、圧縮機の回転数についても6段階(20畳)の設定が示す(コード30)の最大回転数を室外機20へ指示する。 FIG. 5 is an explanatory diagram for explaining a driving ability switching table according to the present invention. This operating capacity switching table is stored in advance in the storage unit 15 of the indoor unit 10 and is used when it is determined that the air conditioning capacity described with reference to FIG. 3 is excessive. On the vertical axis is a compressor standard rotational speed code in which the items of strong wind, weak wind, and light wind divided by the air volume set by the user and the code used to vary the rotational speed of the compressor described in FIG. Item, the horizontal axis has the item of the number of stages to switch the driving capacity corresponding to the size of the room (the number of tatami mats) from the maximum 6 to the minimum 1, the room according to the air volume on the vertical axis and the number of stages on the horizontal axis A compressor reference rotation speed code for instructing the outdoor unit 20 is set according to the fan motor rotation speed (unit: rpm) of the machine 10 and the number of steps on the horizontal axis. At the start of operation, the fan motor drive unit 16 is instructed to the maximum rotation speed in six steps (20 tatami mats) according to the air volume set in the same manner as in the conventional air conditioner, and the compressor rotation speed is also in six steps. The outdoor unit 20 is instructed of the maximum number of rotations indicated by (code 30) indicated by the setting of (20 tatami).

ここで、利用者が風量を強風に設定し、かつ、部屋の広さに対して冷暖房能力が過剰な状態で運転を開始した場合の運転能力の切替え動作を説明する。室内機10の制御部17は、風量が強風で段階数が6段階(20畳)に対応する1300rpmをファンモーター駆動部16へ指示すると共に、通信部12を介して室外機20へ圧縮機の最大回転数を示す(コード30)を指示する。次に、圧縮機が減速した時に冷暖房能力が過剰と判定した場合、同じ風量で部屋の広さを1段階狭くした5段階(18畳)に対応する1250rpmをファンモーター駆動部16へ指示すると共に、通信部12を介して室外機20へ5段階(18畳)に対応する圧縮機基準回転数コード“26”を指示し圧縮機の回転数を減速させる。その後、運転開始から予め定めた所定時間内(例えば、1時間など)に圧縮機が一旦停止し再起動した場合、同じ風量で部屋の広さをさらに1段階狭くした4段階(14畳)に対応する1200rpmをファンモーター駆動部16へ指示すると共に、通信部12を介して室外機20へ4段階(14畳)に対応する圧縮機基準回転数コード“21”を指示し圧縮機の回転数を減速させる。以降は同様に圧縮機の再起動毎に部屋の広さを1段階ずつ狭くした、ファンモーター回転数と圧縮機基準回転数コードを指示する。このように本発明は、冷暖房能力の過剰の判定結果に基づいて、圧縮機基準回転数コードとファンモーター回転数の切替えを行うため、部屋の広さが変化しても運転能力が過剰にならないように制御することができる。 Here, the operation capability switching operation in the case where the user sets the air volume to a strong wind and the operation is started in a state where the air conditioning capability is excessive with respect to the size of the room will be described. The control unit 17 of the indoor unit 10 instructs the fan motor driving unit 16 to 1300 rpm corresponding to 6 stages (20 tatami mats) with a strong air flow and 6 stages (20 tatami mats). (Code 30) indicating the maximum number of revolutions is indicated. Next, when it is determined that the cooling / heating capacity is excessive when the compressor is decelerated, the fan motor drive unit 16 is instructed to 1250 rpm corresponding to five stages (18 tatami mats), which is the same air volume and the room size is narrowed by one stage. Then, the compressor reference rotational speed code “26” corresponding to five stages (18 tatami mats) is instructed to the outdoor unit 20 via the communication unit 12 to reduce the rotational speed of the compressor. After that, when the compressor is temporarily stopped and restarted within a predetermined time (for example, one hour) from the start of operation, the room size is further reduced by one step to four steps (14 tatami mats) with the same air volume. The corresponding 1200 rpm is instructed to the fan motor drive unit 16 and the compressor reference rotational speed code “21” corresponding to the four stages (14 tatami mats) is instructed to the outdoor unit 20 via the communication unit 12 and the rotational speed of the compressor. Decelerate. Thereafter, the fan motor rotation speed and the compressor reference rotation speed code, in which the room size is reduced by one step each time the compressor is restarted, are similarly indicated. As described above, according to the present invention, since the compressor reference rotation speed code and the fan motor rotation speed are switched based on the determination result of the excessive cooling / heating capacity, the operating capacity does not become excessive even if the room size changes. Can be controlled.

なお、図5に示した圧縮機基準回転数コードは、本発明により運転能力を切替えたタイミングで最初に指示する圧縮機の回転数を示すコードであり、従来の空気調和機で行われている設定温度と室温変化に応じて圧縮機の回転数を可変させる制御、(例えば、4分間の運転で圧縮機の回転数を3コード分減速させるなど、)は従来どおりの制御が行われるものとする。また、図4の風量、段階数(畳数)の項目及び分割数、ファンモーター回転数の値及び圧縮機基準回転数コードの値についてはこれに限定するものではない。   The compressor reference rotational speed code shown in FIG. 5 is a code indicating the rotational speed of the compressor that is first designated at the timing when the operating capacity is switched according to the present invention, and is performed in a conventional air conditioner. Control that varies the rotational speed of the compressor in accordance with changes in the set temperature and room temperature (for example, reducing the rotational speed of the compressor by 3 codes after 4 minutes of operation) is performed as usual. To do. Also, the air volume, the number of steps (number of tatami mats), the number of divisions, the value of the fan motor rotation speed, and the value of the compressor reference rotation speed code in FIG. 4 are not limited to this.

図6は、本発明による減速時間別運転能力実績データを説明する説明図である。この減速時間別運転能力実績データは、運転停止時に室内機10の記憶部15に記憶されるデータであり、縦軸に左側から計時した運転開始から圧縮機が減速を開始するまでの時間が1分単位で分割された項目と、次にその計時した圧縮機の減速時間毎に「設定温度と室温の温度差帯」が分割された項目と、横軸に運転開始時の外気温を「外気温帯」に分割した項目があり、運転停止時に停止前の運転中に計時または検知した、圧縮機の減速時間と、設定温度と室温の温度差帯と、外気温帯のこれら縦横軸の項目に対応する運転データの項目が記憶される。 FIG. 6 is an explanatory diagram for explaining the driving ability performance data by deceleration time according to the present invention. This operating capacity performance data by deceleration time is data stored in the storage unit 15 of the indoor unit 10 when the operation is stopped, and the time from the start of operation measured from the left side to the start of deceleration of the compressor is 1 on the vertical axis. Items divided in minutes, items for which the `` temperature difference between set temperature and room temperature '' was divided for each compressor deceleration time, and the outside temperature at the start of operation on the horizontal axis There are items divided into `` Temperature range '', and the compressor deceleration time, the temperature difference between the set temperature and room temperature, and the vertical and horizontal axis items of the outside temperature range, which are timed or detected during operation before stopping when the operation is stopped The item of the operation data corresponding to is stored.

次に、図6の運転データの項目を説明する。運転データの項目には、縦横軸の項目に対応する条件で運転が行われた回数を示す「運転回数」と、同条件で運転が行われた時に最後に指示した圧縮機基準回転数コードを運転停止毎に加算した「累計回転数コード」と、「累計回転数コード」を「運転回数」で除算した「平均回転数コード」の項目がある。なお、空白となっている運転データ項目は、その項目に対応する運転が過去に行われていないことを示している。 Next, the operation data items in FIG. 6 will be described. In the operation data item, the “operation frequency” indicating the number of times the operation was performed under the conditions corresponding to the items on the vertical and horizontal axes, and the compressor reference rotation speed code last specified when the operation was performed under the same conditions There are items of “cumulative rotational speed code” added at each stop of operation and “average rotational speed code” obtained by dividing “cumulative rotational speed code” by “number of operating times”. A blank operation data item indicates that no operation corresponding to the item has been performed in the past.

ここで、計時した圧縮機の減速時間が10分で、運転開始時の設定温度が20℃、室温が12℃、外気温が4℃、最後に指示した圧縮機基準回転数コードが“13”の運転データを記憶する場合には、縦軸は「計時した圧縮機の減速時間」が10分の「設定温度と室温の温度差帯」が6℃〜10℃、横軸は「外気温帯」が1℃〜5℃に対応する運転データ項目を確認する。この運転データ項目に過去の運転データが無い場合(つまり空白が記憶されている)には、「運転回数」に“1”、「累計回転数コード」に“13”、「平均回転数コード」に“13.0”を入力する。また、運転データ項目に過去の運転データが有る場合(つまり数値が記憶されている)には、点線の囲いで示した過去の運転データ項目に対し、「運転回数」に‘1’を、「累計回転数コード」に‘13’を加算して、「運転回数」“2”、「累計回転数コード」“26”を更新し、その後「平均回転数コード」に
、「累計回転数コード」“26”を「運転回数」“2”で除算した “13.0”を更新する。
Here, the measured deceleration time of the compressor is 10 minutes, the set temperature at the start of operation is 20 ° C., the room temperature is 12 ° C., the outside air temperature is 4 ° C., and the last designated compressor reference rotation speed code is “13”. When the operation data is stored, the vertical axis is “timed compressor deceleration time” is 10 minutes, “temperature difference between set temperature and room temperature” is 6 ° C. to 10 ° C., and the horizontal axis is “outside air temperature zone” ”Confirms the operation data item corresponding to 1 ° C. to 5 ° C. When there is no past operation data in this operation data item (that is, blank is stored), “1” is set for “Number of operations”, “13” is set for “Total number of rotations code”, “Average number of rotations code” Enter “13.0” in. In addition, when there is past operation data in the operation data item (that is, a numerical value is stored), “1” is set to “number of operations” for the past operation data item indicated by a dotted line, “ “13” is added to “cumulative speed code” to update “running frequency” “2” and “cumulative speed code” “26”, and then “average speed code” is changed to “cumulative speed code”. Update “13.0” by dividing “26” by “number of operations” “2”.

このように、運転停止毎に蓄積された減速時間別運転能力実績データは、運転開始から圧縮機が減速を開始するまでの減速時間を計時した時に参照され、その時の運転条件である「計時した圧縮機の減速時間」、「設定温度と室温の温度差帯」、「外気温帯」に対応する運転データが存在する場合に、図3の圧縮機の基準減速時間テーブルと、図5の運転能力切替えテーブルに代えて利用し、運転データの「平均回転数コード」を基にこれを四捨五入した値を圧縮機基準回転数コードとして制御する。従って、この減速時間別運転能力実績データを蓄積していない場合と比較して、より素早く部屋の広さに応じて運転能力が過剰にならないように制御することができる。なお、図6は暖房運転時の減速時間別運転能力実績データであるが、同様に冷房運転時の減速時間別運転能力実績データも室内機10の記憶部15に記憶される。また、図4で説明したファンモーターの回転数についてもこのように実績データを蓄積して活用するようにしても良い。なお、減速時間別運転能力実績データの利用条件は、対応する運転データの有無に限らず、対応する運転回数が所定回数以上などの条件としても良い。 As described above, the driving ability performance data by deceleration time accumulated every time the operation is stopped is referred to when measuring the deceleration time from the start of operation until the compressor starts to decelerate, and the operation condition at that time is “timed When the operation data corresponding to the “deceleration time of the compressor”, “temperature difference band between set temperature and room temperature”, and “outside air temperature zone” exists, the reference deceleration time table of the compressor of FIG. 3 and the operation of FIG. It is used in place of the capacity switching table, and a value obtained by rounding off based on the “average rotation speed code” of the operation data is controlled as the compressor reference rotation speed code. Therefore, as compared with the case where the driving ability performance data for each deceleration time is not accumulated, the driving ability can be controlled more quickly according to the size of the room so as not to become excessive. Note that FIG. 6 shows the driving ability performance data by deceleration time during the heating operation, but the driving ability performance data by deceleration time during the cooling operation is also stored in the storage unit 15 of the indoor unit 10. Also, the result data may be accumulated and utilized for the rotation speed of the fan motor described in FIG. Note that the use condition of the driving ability performance data by deceleration time is not limited to the presence or absence of the corresponding driving data, and may be a condition such that the corresponding number of driving times is a predetermined number or more.

図7は、本発明による運転能力切替え処理の一例を示すフローチャートである。図7の処理が開始される前提条件として、リモコンから運転開始の操作が行われたものとする。また、本発明の運転能力切替えを除く処理に関しては、従来の空気調和機と同様に適宜処理されるものとして図示及び説明を省略する。なお、フローチャートに記載のSTはステップを表し、これに続く数字はステップ番号を表している。 FIG. 7 is a flowchart showing an example of the driving ability switching process according to the present invention. As a precondition for starting the processing of FIG. 7, it is assumed that an operation for starting operation is performed from the remote controller. Further, regarding the processing excluding the switching of the driving ability according to the present invention, illustration and description are omitted because they are appropriately processed in the same manner as in the conventional air conditioner. Note that ST described in the flowchart represents a step, and the number following the ST represents a step number.

制御部17は、計時部14に運転開始から圧縮機の減速が開始されるまでの時間の計時を指示する(ST1)。室外機20の圧縮機駆動部23へ圧縮機の回転数を減速させたか否かを確認する(ST2)。圧縮機の回転数を減速させた場合(ST2−Yes)、計時部14での計時を停止し、計時した減速時間に対応する図6で説明した減速時間別運転能力実績データ内の運転データが存在するか否かを確認する(ST3)減速時間別運転能力実績データ内に運転データが存在しない場合(ST3−No)、計時した減速時間が記憶部15の基準減速時間テーブルの室温と外気温と設定温度の運転条件に対応する基準減速時間よりも短いか否かを確認する(ST4)。計時した減速時間が基準減速時間よりも短くない場合(ST4−No)、室外機20の圧縮機駆動部23へ圧縮機を再起動させたか否かを確認する(ST5)。 The control unit 17 instructs the time measuring unit 14 to measure the time from the start of operation until the deceleration of the compressor is started (ST1). It is confirmed whether or not the rotational speed of the compressor has been decelerated to the compressor drive unit 23 of the outdoor unit 20 (ST2). When the rotation speed of the compressor is decelerated (ST2-Yes), the timekeeping unit 14 stops the timekeeping, and the operation data in the operation performance result data by deceleration time corresponding to the timed deceleration time is shown in FIG. It is confirmed whether or not it exists (ST3) When the operation data does not exist in the driving performance result data by deceleration time (ST3-No), the measured deceleration time is the room temperature and the outside temperature in the reference deceleration time table of the storage unit 15 It is confirmed whether or not it is shorter than the reference deceleration time corresponding to the operating condition of the set temperature (ST4). If the measured deceleration time is not shorter than the reference deceleration time (ST4-No), it is confirmed whether or not the compressor driving unit 23 of the outdoor unit 20 has been restarted (ST5).

制御部17はST5において、圧縮機を再起動させた場合(ST5−Yes)、記憶部15の運転能力切替えテーブルから部屋の広さの段階数を1段階狭くしたファンモーター回転数と圧縮機基準回転数コードを参照し、そのファンモーター回転数をファンモーター駆動部16へ指示すると共に通信部12を介して室外機20へ参照した圧縮機基準回転数コードへと切替える信号を送信する(ST6)。室外機20の圧縮機駆動部23へ圧縮機を停止させたか否かを確認する(ST7)。室外機20の圧縮機駆動部23へ圧縮機を停止させた場合(ST7−Yes)、リモコン通信部11を介して運転停止の信号を受信したか否かを確認する(ST8)。運転停止の信号を受信した場合(ST8−Yes)、記憶部15の減速時間別運転能力実績データに今回の運転データを記憶し、通信部12を介して室外機20へ運転停止を指示し、室内機10の運転を停止する(ST9)。そして処理を終了する。 When the control unit 17 restarts the compressor in ST5 (ST5-Yes), the fan motor rotation speed and the compressor reference are set by reducing the number of steps of the room size by one step from the operation capacity switching table of the storage unit 15. With reference to the rotation speed code, the fan motor rotation speed is instructed to the fan motor driving section 16, and a signal for switching to the reference compressor rotation speed code is transmitted to the outdoor unit 20 via the communication section 12 (ST6). . It is confirmed whether or not the compressor is stopped at the compressor drive unit 23 of the outdoor unit 20 (ST7). When the compressor is stopped by the compressor driving unit 23 of the outdoor unit 20 (ST7-Yes), it is confirmed whether or not an operation stop signal is received via the remote control communication unit 11 (ST8). When the operation stop signal is received (ST8-Yes), the current operation data is stored in the operation capacity performance data for each deceleration time in the storage unit 15, and the outdoor unit 20 is instructed to stop operation via the communication unit 12, The operation of the indoor unit 10 is stopped (ST9). Then, the process ends.

一方、制御部17はST3において、減速時間別運転能力実績データ内に運転データが存在する場合(ST3−Yes)、運転データの平均回転数コードを四捨五入した値を圧縮機基準回転数コードとして、通信部12を介して室外機20へ圧縮機の回転数を切替える信号を送信する(ST11)。そして、ST5へジャンプする。また、ST4において、計時した減速時間が基準減速時間よりも短い場合(ST4−Yes)、記憶部15の運転能力切替えテーブルから部屋の広さの段階数を1段階狭くしたファンモーター回転数と圧縮機基準回転数コードを参照し、そのファンモーター回転数をファンモーター駆動部16へ指示すると共に通信部12を介して室外機20へ参照した圧縮機基準回転数コードへと切替える信号を送信する(ST12)。そして、ST5へジャンプする。 On the other hand, in ST3, when the operation data exists in the operation capacity performance data by deceleration time (ST3-Yes), the control unit 17 rounds the average rotation number code of the operation data as the compressor reference rotation number code, A signal for switching the rotation speed of the compressor is transmitted to the outdoor unit 20 via the communication unit 12 (ST11). Then, the process jumps to ST5. Further, in ST4, when the measured deceleration time is shorter than the reference deceleration time (ST4-Yes), the fan motor rotation speed and compression in which the number of steps of the room size is narrowed by one step from the driving ability switching table of the storage unit 15. With reference to the machine reference rotation speed code, the fan motor rotation speed is instructed to the fan motor drive section 16 and a signal for switching to the referred compressor reference rotation speed code is transmitted to the outdoor unit 20 via the communication section 12 ( ST12). Then, the process jumps to ST5.

制御部17はST8において、運転停止の信号を受信していない場合(ST8−No)
、ST5へ戻る。また、ST2において、圧縮機の回転数を減速させていない場合(ST2−No)と、ST5において、圧縮機を再起動させていない場合(ST5−No)と、ST7において、圧縮機を停止させていない場合(ST7−No)にも、リモコン通信部11を介して運転停止の信号を受信したか否かを確認する(ST10)、(ST13)、(ST14)。そして、運転停止の信号を受信した場合(ST10−Yes)、(ST13−Yes)、(ST14−Yes)、ST9へジャンプする。一方、運転停止の信号を受信していない場合、(ST10−No)ではST2へ、(ST13−No)ではST5へ、(ST14−No)ではST7へ戻る。
When the control unit 17 does not receive the operation stop signal in ST8 (ST8-No)
Return to ST5. In ST2, when the speed of the compressor is not reduced (ST2-No), in ST5, when the compressor is not restarted (ST5-No), in ST7, the compressor is stopped. If not (ST7-No), it is confirmed whether or not an operation stop signal has been received via the remote control communication unit 11 (ST10), (ST13), (ST14). And when the signal of an operation stop is received (ST10-Yes), (ST13-Yes), (ST14-Yes), it jumps to ST9. On the other hand, if an operation stop signal has not been received, (ST10-No) returns to ST2, (ST13-No) returns to ST5, and (ST14-No) returns to ST7.

なお、図7では、室内機10の制御部17で運転能力切替え処理を行った場合について説明したが、室内機10の制御部17に代えて室外機20の室外機制御部25で運転能力切替え処理を行っても良い。   In addition, although FIG. 7 demonstrated the case where the driving capability switching process was performed by the control unit 17 of the indoor unit 10, the driving capability switching was performed by the outdoor unit control unit 25 of the outdoor unit 20 instead of the control unit 17 of the indoor unit 10. Processing may be performed.

1 空気調和機
10 室内機
11 リモコン通信部
12 通信部
13 室温検出部
14 計時部
15 記憶部
16 ファンモーター駆動部
17 制御部
20 室外機
21 外気温検出部
22 室外機通信部
23 圧縮機駆動部
24 室外機記憶部
25 室外機制御部
30 通信線








































DESCRIPTION OF SYMBOLS 1 Air conditioner 10 Indoor unit 11 Remote control communication part 12 Communication part 13 Room temperature detection part 14 Timekeeping part 15 Memory | storage part 16 Fan motor drive part 17 Control part 20 Outdoor unit 21 Outdoor temperature detection part 22 Outdoor unit communication part 23 Compressor drive part 24 outdoor unit storage unit 25 outdoor unit control unit 30 communication line








































Claims (3)

室内機と室外機を備え、設定温度と室温から圧縮機の回転数を加減速することができる空気調和機であって、前記室外機は、外気温を検出する外気温検出部と、前記室内機との通信を行う室外機通信部と、前記圧縮機を前記室内機から指示された回転数で回転させる圧縮機駆動部と、これらを制御する室外機制御部とを備え、前記室内機は、室温を検出する室温検出部と、前記室外機との通信を行う通信部と、時間を計時する計時部と、運転開始から前記圧縮機が減速を開始するまでの基準時間が設定された基準減速時間テーブルと
、前記圧縮機駆動部へ指示する回転数をコードで示した基準回転数コードが部屋の広さに応じて段階的に設定された運転能力切替えテーブルとを記憶する記憶部と、これらを制御する制御部とを備え、前記制御部は、運転を開始した時、前記計時部へ運転開始から前記圧縮機が減速を開始するまでの減速時間の計時を指示し、前記圧縮機が減速を開始した時、前記基準減速時間テーブルから前記基準減速時間を参照し、参照した前記基準減速時間と前記計時部で計時した減速時間とを比較し、計時した減速時間が前記基準減速時間よりも短い場合、部屋の広さに対して運転能力が過剰と判定し、前記運転能力切替えテーブルから、部屋の広さを1段階狭くした前記基準回転数コードを参照し、その基準回転数コードを前記室外機へ指示することを特徴とする空気調和機。
An air conditioner comprising an indoor unit and an outdoor unit and capable of accelerating / decelerating the number of rotations of the compressor from a set temperature and room temperature, wherein the outdoor unit includes an outside air temperature detecting unit that detects an outside air temperature, and the indoor unit An outdoor unit communication unit that performs communication with a unit, a compressor drive unit that rotates the compressor at a rotation number instructed by the indoor unit, and an outdoor unit control unit that controls these units, A room temperature detection unit that detects room temperature, a communication unit that communicates with the outdoor unit, a time measurement unit that measures time, and a reference in which a reference time from the start of operation to the start of deceleration of the compressor is set A storage unit for storing a deceleration time table, and a driving capability switching table in which a reference rotation number code indicating a rotation number to be instructed to the compressor driving unit is set stepwise according to the size of the room; A control unit for controlling these, and the control When the operation is started, the timing unit is instructed to measure the deceleration time from the start of operation until the compressor starts to decelerate, and when the compressor starts decelerating, the reference deceleration time table Refer to the standard deceleration time, compare the referenced standard deceleration time with the deceleration time measured by the timekeeping unit, and if the measured deceleration time is shorter than the standard deceleration time, the driving ability with respect to the size of the room The air conditioning is characterized in that the air conditioner is determined to be excessive, the reference rotation speed code in which the size of the room is narrowed by one step is referred to from the driving capacity switching table, and the reference rotation speed code is instructed to the outdoor unit. Machine.
前記制御部は、前記圧縮機が予め定めた所定時間内に再起動した時、部屋の広さに対して運転能力が過剰と判定し、前記運転能力切替えテーブルから現在の部屋の広さを1段階狭くした前記基準回転数コードを参照し、その基準回転数コードを前記室外機へ指示することを特徴とする、請求項1に記載の空気調和機。   The controller determines that the operating capacity is excessive with respect to the room size when the compressor is restarted within a predetermined time, and determines the current room size from the operating capacity switching table as 1 2. The air conditioner according to claim 1, wherein the reference rotation speed code that is narrowed in steps is referred to, and the reference rotation speed code is instructed to the outdoor unit. 室内機と室外機を備え、設定温度と室温から圧縮機の回転数を加減速することができる空気調和機であって、前記室外機は、外気温を検出する外気温検出部と、前記室内機との通信を行う室外機通信部と、前記圧縮機を前記室内機から指示された回転数で回転させる圧縮機駆動部と、これらを制御する室外機制御部とを備え、前記室内機は、室温を検出する室温検出部と、前記室外機との通信を行う通信部と、時間を計時する計時部と、前記圧縮機駆動部へ指示する回転数をコードで示した基準回転数コードが部屋の広さに応じて段階的に設定された運転能力切替えテーブルと、運転を停止する度に、停止前の運転において前記計時部で計時した運転開始から前記圧縮機が減速を開始するまでの減速時間と、停止前の運転において前記室外機へ最後に指示していた前記基準回転数コードを累積した減速時間別運転能力実績データとを記憶する記憶部と、これらを制御する制御部とを備え、前記制御部は、運転を開始した時、前記計時部へ運転開始から前記圧縮機が減速を開始するまでの減速時間の計時を指示し、前記圧縮機が減速を開始した時、計時した前記圧縮機の減速時間に対応する前記記憶部の前記減速時間別運転能力実績データを参照し、前記基準回転数コードを累積した数値データが記憶されている場合、その数値データを現在の部屋の広さに対して適切な運転能力の前記基準回転数コードとして、その前記基準回転数コードを前記室外機へ指示することを特徴とする空気調和機。










An air conditioner comprising an indoor unit and an outdoor unit and capable of accelerating / decelerating the number of rotations of the compressor from a set temperature and room temperature, wherein the outdoor unit includes an outside air temperature detecting unit that detects an outside air temperature, and the indoor unit An outdoor unit communication unit that performs communication with a unit, a compressor drive unit that rotates the compressor at a rotation number instructed by the indoor unit, and an outdoor unit control unit that controls these units, A room temperature detection unit for detecting room temperature, a communication unit for communicating with the outdoor unit, a time measuring unit for measuring time, and a reference rotation number code indicating a rotation number for instructing the compressor driving unit as a code. Operation capacity switching table set in stages according to the size of the room, and every time the operation is stopped, from the start of operation timed by the time measuring unit in the operation before the stop until the compressor starts to decelerate The outdoor unit in the deceleration time and operation before stopping A storage unit that stores driving ability performance data according to deceleration time in which the reference rotation number code that was last instructed is accumulated, and a control unit that controls these, when the control unit starts driving, Instructing the timing unit to measure the deceleration time from the start of operation until the compressor starts decelerating, and when the compressor starts decelerating, the time of the storage unit corresponding to the measured deceleration time of the compressor When the numerical data obtained by accumulating the reference rotational speed code is stored with reference to the driving capacity performance data for each deceleration time, the numerical data is stored in the reference rotational speed suitable for the current room size. An air conditioner characterized by instructing the outdoor unit as the reference rotation number code as a number code.










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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017223426A (en) * 2016-06-17 2017-12-21 シャープ株式会社 Server device, air conditioner, air conditioning system, method for creating air conditioner control model and program for creating air conditioner control model
WO2021039744A1 (en) * 2019-08-28 2021-03-04 シャープ株式会社 Information processing device, information processing system, control method, and control program
CN115289653A (en) * 2022-07-29 2022-11-04 小米科技(武汉)有限公司 Method and device for controlling operating frequency and storage medium
WO2023226361A1 (en) * 2022-05-25 2023-11-30 珠海格力电器股份有限公司 Room area acquisition method, air conditioner outdoor unit control method, apparatus and air conditioning system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017223426A (en) * 2016-06-17 2017-12-21 シャープ株式会社 Server device, air conditioner, air conditioning system, method for creating air conditioner control model and program for creating air conditioner control model
WO2021039744A1 (en) * 2019-08-28 2021-03-04 シャープ株式会社 Information processing device, information processing system, control method, and control program
WO2023226361A1 (en) * 2022-05-25 2023-11-30 珠海格力电器股份有限公司 Room area acquisition method, air conditioner outdoor unit control method, apparatus and air conditioning system
CN115289653A (en) * 2022-07-29 2022-11-04 小米科技(武汉)有限公司 Method and device for controlling operating frequency and storage medium
CN115289653B (en) * 2022-07-29 2024-02-13 小米科技(武汉)有限公司 Control method and device for operating frequency and storage medium

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