JPH03211343A - Controlling device for air conditioner - Google Patents
Controlling device for air conditionerInfo
- Publication number
- JPH03211343A JPH03211343A JP2006282A JP628290A JPH03211343A JP H03211343 A JPH03211343 A JP H03211343A JP 2006282 A JP2006282 A JP 2006282A JP 628290 A JP628290 A JP 628290A JP H03211343 A JPH03211343 A JP H03211343A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- temperature
- fan speed
- outdoor
- indoor fan
- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 239000003507 refrigerant Substances 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、空気調和機の通常暖房運転と特に外気温が低
温の場合の暖房運転（以下、低温運転と記す）とを区別
して、よりよい制御を行うようにした空気調和機の制御
装置に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention distinguishes between normal heating operation of an air conditioner and heating operation when the outside temperature is particularly low (hereinafter referred to as low-temperature operation). The present invention relates to a control device for an air conditioner that performs good control.
（従来の技術）
従来の空気調和機では、暖房運転中（除霜運転から次の
除霜運転までの間）の室内外ファンの回転速度、減圧装
置における冷媒の流量は、外気温の高低にかかわらず常
に同じ制御内容で行われていた。(Conventional technology) In conventional air conditioners, the rotational speed of indoor and outdoor fans during heating operation (from one defrosting operation to the next defrosting operation) and the flow rate of refrigerant in a pressure reducing device vary depending on the outside temperature. Regardless, the control content was always the same.
（発明が解決しようとする課題）
このように、従来の制御では、低温運転時の室内外ファ
ン速度の設定が通常の暖房運転時と同じであるため、運
転時に圧縮機が吐出する冷媒の温度（吐出温度）も通常
の暖房運転時と同様に低い温度となり、低温運転時のよ
うに部屋の負荷が増加しても空気調和機の暖房能力はそ
の負荷に対応することができなかった。つまり、低温運
転開始から除霜運転終了までの１サイクルの能力の働き
を単位時間で表わす積算能力は、著しく低下する傾向が
見られた。(Problem to be solved by the invention) In this way, in conventional control, the indoor and outdoor fan speed settings during low-temperature operation are the same as during normal heating operation, so the temperature of the refrigerant discharged by the compressor during operation is (Discharge temperature) was also low as in normal heating operation, and even if the load in the room increased as in low-temperature operation, the heating capacity of the air conditioner could not cope with the load. In other words, there was a tendency for the integrated capacity, which represents the performance of one cycle from the start of low-temperature operation to the end of defrosting operation, in unit time, to decrease significantly.
本発明は、上記課題を解決するもので、暖房運転時の室
外温度がある一定の規定温度以下の場合、かつ室内ファ
ン速度が規定速度以上の場合に、負荷対応制御を行うよ
うにした制御装置を提供することを目的とする。The present invention solves the above problems, and is a control device that performs load-based control when the outdoor temperature during heating operation is below a certain specified temperature and when the indoor fan speed is above the specified speed. The purpose is to provide
（課題を解決するための手段）
上記課題を解決するために、本発明は、室外温度検出手
段及びその検出温度と予め設定された室外温度設定値と
を比較してその結果を出力する比較手段Ａと、室内ファ
ン速度検出手段及びその検出速度と多め設定された規定
速度とを比較してその結果を出力する比較手段Ｂと、比
較手段Ａ、 Ｂの各出力値に基づいて演算し所要の信号
を出力する演算手段と、この演算手段の出力信号により
、室外ファン速度を切り換える室外ファン速度切換手段
、減圧装置における冷媒の流量を切り換える減圧装置流
量切換手段及び室内ファン速度を切り換える室内ファン
速度切換手段とから構成される。(Means for Solving the Problems) In order to solve the above problems, the present invention provides an outdoor temperature detection means and a comparison means for comparing the detected temperature with a preset outdoor temperature setting value and outputting the result. A, an indoor fan speed detection means and a comparison means B that compares the detected speed with a preset speed set higher and outputs the result, and a comparison means A and B that perform calculations based on the respective output values of A calculation means for outputting a signal, an outdoor fan speed switching means for switching the outdoor fan speed, a pressure reduction device flow rate switching means for switching the flow rate of refrigerant in the pressure reduction device, and an indoor fan speed switching means for switching the indoor fan speed based on the output signal of the calculation means. It consists of means.
（作 用）
上記構成により、室外温度がある一定の規定温度以下の
場合で、かつ室内ファン速度が規定速度以上の場合に、
室内外ファン速度の設定を通常の暖房運転時よりもアッ
プし、かつ減圧装置における冷媒の流量設定を切り換え
る。(Function) With the above configuration, when the outdoor temperature is below a certain specified temperature and the indoor fan speed is above the specified speed,
Set the indoor and outdoor fan speeds higher than during normal heating operation, and change the refrigerant flow rate setting in the pressure reducing device.
これにより、低温運転時の着霜を抑え、高温風を吹き出
して積算能力の向上を図ることができる。This makes it possible to suppress frost formation during low-temperature operation, blow out high-temperature air, and improve integration capacity.
（実施例） 以下、図面を参照して実施例を詳細に説明する。(Example) Hereinafter, embodiments will be described in detail with reference to the drawings.
第１図は１本発明の一実施例の構成をブロック図で示し
たもので、１は室外温度検出手段、５はその検出温度と
予め設定された室外温度設定値２とを比較してその結果
を出力する比較手段Ａ、３は室内ファン速度検出手段、
６はその検出速度と予め設定された規定速度４とを比較
してその結果を出力する比較手段Ｂ、７は比較手段Ａ、
Ｂの各出力値に基づいて演算し所要の信号を出力する演
算手段、８，９．１０はそれぞれこの演算手段７の出力
＜８号により、室外ファン速度を切り換える室外ファン
速度切換手段、減圧装置における冷媒の流量を切り換え
る減圧装置流量切換手段及び室内ファン速度を切り換え
る室内ファン速度切換手段。FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, in which 1 is an outdoor temperature detection means, and 5 is an outdoor temperature detection means that compares the detected temperature with a preset outdoor temperature setting value 2. Comparison means A for outputting results, 3 is indoor fan speed detection means;
6 is a comparison means B that compares the detected speed with a preset specified speed 4 and outputs the result; 7 is a comparison means A;
Calculating means for calculating based on each output value of B and outputting a required signal; 8, 9, and 10 are respectively outdoor fan speed switching means for switching the outdoor fan speed according to the output of this calculating means 7 < No. 8, and a pressure reducing device. a pressure reducing device flow rate switching means for switching the flow rate of the refrigerant in the chamber; and an indoor fan speed switching means for switching the indoor fan speed.
１１は室外ファン速度切換手段８の制御信号により室外
ファン１４を駆動する駆動手段Ａ、１２は減圧装置流量
切換手段９の制御信号により減圧装置流量１５を制御す
る駆動手段Ｂ、１３は室内ファン速度切換手段１０の制
御信号により室内ファン１６を駆動する駆動手段Ｃであ
る。11 is a drive means A that drives the outdoor fan 14 based on a control signal from the outdoor fan speed switching means 8; 12 is a drive means B that controls the pressure reducing device flow rate 15 based on a control signal from the pressure reducing device flow rate switching device 9; and 13 is an indoor fan speed. This is a driving means C that drives the indoor fan 16 based on the control signal of the switching means 10.
次に、本実施例の動作を第２図のフローチャートを参照
して説明する。リモコン又は操作盤により暖房運転を指
示すると、室内外ファン及び圧縮機が動作を開始する。Next, the operation of this embodiment will be explained with reference to the flowchart of FIG. When heating operation is instructed using the remote control or operation panel, the indoor/outdoor fan and compressor start operating.
ここで、室外温度検出手段１によりサンプリングした室
外温度Ｔ１と予め設定された室外温度設定値Ｔａとを比
較手段Ａ５で比較し、室外温度ＴＩが温度設定値Ｔａに
対して低温であるかどうかを判定する（ステップ１）１
次いで、室内ファン速度検出手段３により検出した速度
ｎ１と予め設定された規定速度ｎａとを比較手段Ｂ６で
比較し、室内ファン速度の判定を行なう（ステップ２）
。Here, the outdoor temperature T1 sampled by the outdoor temperature detection means 1 and the preset outdoor temperature set value Ta are compared by the comparing means A5 to determine whether the outdoor temperature TI is lower than the temperature set value Ta. Determine (Step 1) 1
Next, the comparison means B6 compares the speed n1 detected by the indoor fan speed detection means 3 with a preset specified speed na, and determines the indoor fan speed (step 2).
.
演算手段７は、各比較手段Ａ、Ｂからの比較結果を受け
、室外温度Ｔｌく温度設定値Ｔａ、かつ室内ファン速度
ｎｌ≧規定速度ｎａの場合には、室外ファン速度をｖ１
→ｖ２へ、室内ファン速度をＮｌ→Ｎ２へそれぞれ１ス
テツプ上げると共に、減圧装置の流量設定をＰ１→Ｐ２
へ切り換える。その他の場合は、Ｖ、、Ｎ、、ｐ、で制
御される。The calculation means 7 receives the comparison results from each comparison means A and B, and when the outdoor temperature Tl is the temperature setting value Ta and the indoor fan speed nl≧specified speed na, the outdoor fan speed is set to v1.
→v2, increase the indoor fan speed by one step each from Nl → N2, and change the flow rate setting of the pressure reducing device from P1 → P2.
Switch to In other cases, it is controlled by,V,,N,,p,.
（発明の効果）
以上説明したように、本発明によれば、室外温度及び室
内ファン速度の状態によって、室内外ファンの速度及び
減圧装置における冷媒の流量を通常の暖房運転とは変え
ることにより、特に外気温の低い場合の積算暖房能力を
向上することができる。(Effects of the Invention) As explained above, according to the present invention, by changing the speed of the indoor/outdoor fan and the flow rate of the refrigerant in the pressure reducing device from the normal heating operation depending on the outdoor temperature and the indoor fan speed, In particular, the cumulative heating capacity can be improved when the outside temperature is low.
第１図は、本発明の一実施例のブロック図、第２図は、
同実施例のフローチャートである。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of an embodiment of the present invention.
It is a flowchart of the same example.
Claims (1)
室外温度設定値とを比較してその結果を出力する比較手
段Ａと、室内ファン速度検出手段及びその検出速度と予
め設定された規定速度とを比較してその結果を出力する
比較手段Ｂと、前記比較手段Ａ、Ｂの各出力値に基づい
て演算し所要の信号を出力する演算手段と、該演算手段
の出力信号により、室外ファン速度を切り換える室外フ
ァン速度切換手段、減圧装置における冷媒の流量を切り
換える減圧装置流量切換手段及び室内ファン速度を切り
換える室内ファン速度切換手段とからなり、 室外温度が設定温度以下で、かつ室内ファン速度が規定
速度以上の場合に、室内外ファン速度を通常の暖房運転
時よりもアップし、かつ減圧装置における冷媒の流量設
定を切り換えることを特徴とする空気調和機の制御装置
。[Scope of Claims] An outdoor temperature detection means, a comparison means A that compares the detected temperature with a preset outdoor temperature set value and outputs the result, and an indoor fan speed detection means and the detected speed and the preset value. a comparison means B that compares the specified speed with the specified speed and outputs the result; a calculation means that calculates based on each output value of the comparison means A and B and outputs a required signal; and an output signal of the calculation means. consists of an outdoor fan speed switching means for switching the outdoor fan speed, a pressure reducing device flow rate switching means for switching the refrigerant flow rate in the pressure reducing device, and an indoor fan speed switching means for switching the indoor fan speed, and the outdoor temperature is below the set temperature, and A control device for an air conditioner, characterized in that when the indoor fan speed is equal to or higher than a specified speed, the indoor/outdoor fan speed is increased compared to that during normal heating operation, and the refrigerant flow rate setting in the pressure reducing device is switched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006282A JPH03211343A (en) | 1990-01-17 | 1990-01-17 | Controlling device for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006282A JPH03211343A (en) | 1990-01-17 | 1990-01-17 | Controlling device for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03211343A true JPH03211343A (en) | 1991-09-17 |
Family
ID=11634039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006282A Pending JPH03211343A (en) | 1990-01-17 | 1990-01-17 | Controlling device for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03211343A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884083A (en) * | 2014-03-26 | 2014-06-25 | 上海新储集成电路有限公司 | Energy-saving environment-friendly intelligent air conditioning system and work mode thereof |
-
1990
- 1990-01-17 JP JP2006282A patent/JPH03211343A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884083A (en) * | 2014-03-26 | 2014-06-25 | 上海新储集成电路有限公司 | Energy-saving environment-friendly intelligent air conditioning system and work mode thereof |
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