JP2808465B2 - Control device for air conditioner - Google Patents
Control device for air conditionerInfo
- Publication number
- JP2808465B2 JP2808465B2 JP2006285A JP628590A JP2808465B2 JP 2808465 B2 JP2808465 B2 JP 2808465B2 JP 2006285 A JP2006285 A JP 2006285A JP 628590 A JP628590 A JP 628590A JP 2808465 B2 JP2808465 B2 JP 2808465B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- temperature
- comparing
- outdoor
- outdoor 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.)
- Expired - Lifetime
Links
Landscapes
- Air Conditioning Control Device (AREA)
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 (Industrial application field) The present invention distinguishes between a normal heating operation of an air conditioner and a heating operation particularly when the outside air temperature is low (hereinafter referred to as a 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）の室外ファンの回転速度、膨張弁
の運転（駆動）周波数に対応するパルス出力モードは、
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。(Prior Art) In a conventional air conditioner, a pulse output mode corresponding to a rotation speed of an outdoor fan and an operation (drive) frequency of an expansion valve during a heating operation (between a defrost operation and a next defrost operation). Is
Regardless of the level of the outside air temperature, the same control was always performed.
（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。(Problems to be Solved by the Invention) As described above, in the conventional control, since the setting of the outdoor fan speed during the low-temperature operation is the same as that during the normal heating operation, the temperature of the refrigerant discharged from the compressor during the operation ( The discharge temperature also becomes low as in the normal heating operation, and the heating capacity of the air conditioner cannot correspond to the load even when the load on the room increases as in the low-temperature operation. That is, the integrated capacity, which expresses the function of the capacity in one cycle from the start of the low-temperature operation to the end of the defrosting operation in unit time, tends to be significantly reduced.
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で、かつ運転
周波数が規定周波数以上の場合に、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 has been made to solve the above-described problems, and has a control device configured to perform a load response control when an outdoor temperature during a heating operation is equal to or lower than a certain specified temperature and an operation frequency is equal to or higher than a specified frequency. 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、圧縮機
の運転周波数検出手段及びその検出周波数と予め設定さ
れた規定周波数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
換手段及び圧縮機の運転周波数に対応する膨張弁の開度
を切り換えるパルス出力モード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 detecting means and a comparing means for comparing the detected temperature with a preset outdoor temperature set value and outputting the result. A, a compressor operating frequency detecting means, a comparing means B for comparing the detected frequency with a preset specified frequency and outputting the result, and a calculation based on each output value of the comparing means A and B Calculating means for outputting a required signal, an output signal from the calculating means, an outdoor fan speed switching means for switching an outdoor fan speed, and a pulse output mode switching means for switching an opening degree of an expansion valve corresponding to an operating frequency of the compressor. Consists of
（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、かつ運転周波数が規定周波数以上の場合に、
室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、かつ膨張弁の開度を絞る方向にパルス出力モードを
切り換える。(Operation) With the above configuration, when the outdoor temperature is below a certain specified temperature and the operating frequency is above the specified frequency,
The pulse output mode is switched so that the outdoor fan speed is set higher than in the normal heating operation and the opening degree of the expansion valve is reduced.
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。Accordingly, frost formation during low-temperature operation can be suppressed, and high-temperature air can be blown out to improve the integration capability.
（実施例） 以下、図面を参照して実施例を詳細に説明する。第１
図は、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は圧縮機の運転周波数検出手段、
６はその検出周波数と予め設定された規定周波数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はそれぞれこの演算手段７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
手段及び圧縮機の運転周波数に対応する膨張弁の開度を
切り換えるパルス出力モード切換手段、10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12を駆動す
る駆動手段Ａ、11はパルス出力モード切換手段９の制御
信号により膨張弁13を駆動する駆動手段Ｂである。(Example) Hereinafter, an Example is described in detail with reference to drawings. First
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes an outdoor temperature detecting means, and reference numeral 5 denotes a comparison between the detected temperature and a preset outdoor temperature set value 2. The output comparing means A and 3 are compressor operating frequency detecting means,
Reference numeral 6 denotes comparison means B for comparing the detected frequency with a predetermined frequency 4 and outputs the result, and 7 denotes comparison means.
A computing means for computing based on each output value of A and B and outputting a required signal, and 8 and 9, respectively, an outdoor fan speed switching means for switching an outdoor fan speed and an operation of the compressor based on an output signal of the computing means 7. Pulse output mode switching means for switching the degree of opening of the expansion valve corresponding to the frequency, 10 is a driving means A for driving the outdoor fan 12 by a control signal of the outdoor fan speed switching means 8, and 11 is a control signal for the pulse output mode switching means 9. The driving means B drives the expansion valve 13 by means of
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。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T1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）。次い
で、圧縮機の運転周波数検出手段３により検出した周波
数１と予め設定された規定周波数ａとを比較手段B6
で比較し、運転周波数の判定を行なう（ステップ２）。Next, the operation of this embodiment will be described with reference to the flowchart of FIG. When a heating operation is instructed by the remote control or the operation panel, the indoor and outdoor fans and the compressor start operating. Here, comparing the outdoor temperature T 1 of which is sampled by the outdoor temperature detecting means 1 and the preset outdoor temperature set values Ta comparison means A5, or outdoor temperature T 1 is a low relative temperature setting value Ta It is determined whether or not (step 1). Next, the comparison means B6 compares the frequency 1 detected by the operating frequency detection means 3 of the compressor with a preset specified frequency a.
To determine the operating frequency (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T1＜温度設定値Ta、かつ運転周波数１＞
規定周波数ａの場合には、室外ファン速度をV1→V2へ
１ステップ上げると共に、膨張弁の開度を絞る方向にパ
ルス出力モードをP1→P2へ切り換える。その他の場合
は、V1,P1で制御される。The calculating means 7 receives the comparison result from each of the comparing means A and B, and receives the outdoor temperature T 1 <the temperature set value Ta and the operating frequency 1 >.
In the case of the specified frequency a, together with increase by one step the outdoor fan speed to V 1 → V 2, switches the direction to narrow the opening of the expansion valve pulse output mode to the P 1 → P 2. In other cases, it is controlled by V 1 and P 1 .
（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
運転周波数の状態によって、室外ファンの速度及び膨張
弁の開度を決めるパルス出力モード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 described above, according to the present invention, the pulse output mode that determines the speed of the outdoor fan and the opening of the expansion valve is changed from the normal heating operation according to the state of the outdoor temperature and the operating frequency. Accordingly, the integrated heating capacity can be improved particularly when the outside air 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。 １……室外温度検出手段、３……圧縮機の運転周波数検
出手段、５……比較手段Ａ、６……比較手段Ｂ、７……
演算手段、８……室外ファン速度切換手段、９……パル
ス出力モード切換手段、10……駆動手段Ａ、11……駆動
手段Ｂ、12……室外ファン、13……膨張弁。FIG. 1 is a block diagram of one embodiment of the present invention, and FIG.
It is a flowchart of the same embodiment. 1 ... outdoor temperature detecting means, 3 ... compressor operating frequency detecting means, 5 ... comparing means A, 6 ... comparing means B, 7 ...
Calculation means 8, outdoor fan speed switching means 9, pulse output mode switching means 10, driving means A, 11 driving means B, 12 outdoor fan, 13 expansion valve.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭63−78860（ＪＰ，Ｕ) 実開 昭63−153046（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) F24F 11/02 102──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 63-78860 (JP, U) Japanese Utility Model Sho 63-153046 (JP, U) (58) Fields investigated (Int. Cl. 6 , DB name) F24F 11/02 102
Claims (1)
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、圧縮機の運転周波数検出手段及びそ
の検出周波数と予め設定された規定周波数とを比較して
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及び前記圧縮機の運
転周波数に対応する膨張弁の開度を切り換えるパルス出
力モード切換手段とからなり、 室外温度が設定温度以下で、かつ運転周波数が規定周波
数以上の場合に、室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、かつ膨張弁の開度を絞る方向にパ
ルス出力モードを切り換えることを特徴とする空気調和
機の制御装置。1. An outdoor temperature detecting means, a comparing means A for comparing the detected temperature with a preset outdoor temperature set value and outputting the result, an operating frequency detecting means for the compressor and the detected frequency. A comparison means B for comparing the set frequency with a specified frequency and outputting the result; a calculation means for calculating based on each output value of the comparison means A and B to output a required signal; and an output of the calculation means. An outdoor fan speed switching means for switching an outdoor fan speed by a signal; and a pulse output mode switching means for switching an opening degree of an expansion valve corresponding to an operation frequency of the compressor. When the frequency is equal to or higher than the specified frequency, the outdoor fan speed is set higher than in the normal heating operation, and the pulse output mode is switched in a direction to reduce the opening of the expansion valve. Air conditioner control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006285A JP2808465B2 (en) | 1990-01-17 | 1990-01-17 | Control device for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006285A JP2808465B2 (en) | 1990-01-17 | 1990-01-17 | Control device for air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03211346A JPH03211346A (en) | 1991-09-17 |
| JP2808465B2 true JP2808465B2 (en) | 1998-10-08 |
Family
ID=11634122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006285A Expired - Lifetime JP2808465B2 (en) | 1990-01-17 | 1990-01-17 | Control device for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2808465B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006138632A (en) * | 2006-02-20 | 2006-06-01 | Sanyo Electric Co Ltd | Refrigerator |
| CN105091242B (en) * | 2015-08-31 | 2018-03-02 | 青岛海尔空调器有限总公司 | A kind of wall-hanging air conditioner control method |
| CN105180357B (en) * | 2015-08-31 | 2018-01-23 | 青岛海尔空调器有限总公司 | Wall-hanging air conditioner control method |
| CN105042797B (en) * | 2015-08-31 | 2018-01-23 | 青岛海尔空调器有限总公司 | A kind of wall-mounted transducer air conditioning control method |
-
1990
- 1990-01-17 JP JP2006285A patent/JP2808465B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03211346A (en) | 1991-09-17 |
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