JPS6069701A - Room temperature adjustment controller - Google Patents

Room temperature adjustment controller

Info

Publication number
JPS6069701A
JPS6069701A JP58178549A JP17854983A JPS6069701A JP S6069701 A JPS6069701 A JP S6069701A JP 58178549 A JP58178549 A JP 58178549A JP 17854983 A JP17854983 A JP 17854983A JP S6069701 A JPS6069701 A JP S6069701A
Authority
JP
Japan
Prior art keywords
room temperature
resistor
variable resistor
resistance value
resistance
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
Application number
JP58178549A
Other languages
Japanese (ja)
Inventor
Sumio Yamamoto
澄夫 山本
Keijiro Mori
森 継治郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58178549A priority Critical patent/JPS6069701A/en
Publication of JPS6069701A publication Critical patent/JPS6069701A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1902Control of temperature characterised by the use of electric means characterised by the use of a variable reference value

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)
  • Air Conditioning Control Device (AREA)
  • Feedback Control In General (AREA)

Abstract

PURPOSE:To prevent the influence of variance in variable resistance from extending to an operational amplifier input by connecting one resistor to each terminal of a variable resistor, connecting a resistor in parallel to the variable resistor, and setting the resistance value of the variable resistor largest among other three resistance values. CONSTITUTION:The resistance value of the variable resistor 1 is much larger than the resistance value r4 of a resistor 4 connected in parallel to it at room temperature, so the composite resistance is r4. When a voltage V0 is applied to a point C, voltages (r3+r4)V0/(r2+r3+r4) and r3V0/(r2+r3+r4) are developed at points A and B. In the expressions, r2 and r3 are the resistance values of resistors 2 and 3. Consequently, the output of the variable resistor 1, i.e. the voltage at a point D varies between both voltages and almost no influence is exerted upon the resistance value of the variable resistor 1.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は室温検出回路と室温調節回路からのそれぞれの
出力(圧をオペアンプで比較し、このオペアンプよりの
出力によりリレーを制御して空気調和機の圧縮機等の発
停を行ない室温を調節する室温調節制御装置に関する。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention compares the respective outputs (pressures) from a room temperature detection circuit and a room temperature adjustment circuit using an operational amplifier, and controls a relay using the output from this operational amplifier to operate an air conditioner. The present invention relates to a room temperature control device that controls room temperature by starting and stopping a compressor, etc.

従来−の4’/’t rlとその問題点この種従来の装
置を第1図にしたがい説明する。
Conventional 4'/'trl and its Problems This kind of conventional apparatus will be explained with reference to FIG.

室温調節用の可変抵抗器101は抵抗102と直列に接
続され、そしてその出力電圧はオペアンプ103のd個
入力端子に印加される。また、室温検出用サーミスタ1
05は抵抗106と直列接続され、その出力d圧は共通
接続端子りよりオペアンプ103の■個入力端子に加え
られる。104は冷暖切替スイッチで、室温検出用サー
ミスタ105と抵抗106の各端子に接続され、接点d
A variable resistor 101 for adjusting room temperature is connected in series with a resistor 102, and its output voltage is applied to d input terminals of an operational amplifier 103. In addition, thermistor 1 for room temperature detection
05 is connected in series with the resistor 106, and its output voltage d is applied to the input terminals of the operational amplifier 103 from the common connection terminal. 104 is a cooling/heating changeover switch, which is connected to each terminal of a room temperature detection thermistor 105 and a resistor 106, and has a contact point d.
.

eと接4g、hが接続されると冷房、そして接点d、f
と接点ql 1が接続されると暖房に切替る。
When e and contacts 4g and h are connected, cooling occurs, and contacts d and f
When contact ql 1 is connected, it switches to heating.

R7は空気調和機の圧に6磯(図示せず)の運転。R7 is operated at 6 degrees (not shown) at the pressure of the air conditioner.

停止を、上記オペアンプ103からの出力信号により制
御するリレーである。
This is a relay that controls stopping using the output signal from the operational amplifier 103.

上記構成による冷房運転時、可変抵抗器101の摺動子
をb点に設定し、かつa、0間の抵抗R1、bC副の抵
抗値をr1′、抵抗102の値をr21、105の抵抗
値をThe、抵抗106の抵抗値を出力信号をリレーR
7に送り、さらに圧縮機を制御して室温を設定値に保つ
ものである。しかじな抵抗値r1’ (b c間)、R
’ (a c間)の精度に大きく影響されるもので、こ
れを1方止するには高精度の1傷画な可変抵抗器を使用
しなけれはならなかった。
During cooling operation with the above configuration, the slider of the variable resistor 101 is set at point b, and the resistance R1 between a and 0, the resistance value of bC secondary is r1', the value of resistor 102 is r21, and the resistance of 105 is The value is the resistance value of the resistor 106 and the output signal is relay R.
7 and further controls the compressor to maintain the room temperature at the set value. Correct resistance value r1' (between b and c), R
' It is greatly affected by the accuracy (between a and c), and in order to stop it in one direction, it was necessary to use a highly precise variable resistor.

発明の目的 本発明は上記従来例の欠点を解消するもので、1i1f
f車な回1路でもって通常精度のOf変低抵抗器使用を
町dヒならしめて、なおかつオペアンプへの入方心圧に
バラツキの々いようにするものである。
Purpose of the Invention The present invention solves the drawbacks of the above-mentioned conventional example.
By using a single circuit with a single circuit, it is possible to eliminate the use of a normal precision OF variable resistor, and at the same time, it allows for variations in the heart pressure entering the operational amplifier.

発明の構成 本発明は可変抵抗器の両端に抵抗器を1個づつ接、院す
ると共にさらに可変抵抗器と並列に抵抗器を接続し、こ
れら3個の抵抗器の抵抗値に比べ可変抵抗器の抵抗値を
大に設定したもので、これによす可変抵抗器の抵抗値の
バラツキがオペアンプの人力d正に大きくバラツキを与
えないようVこしたものである。
Structure of the Invention The present invention connects one resistor to each end of a variable resistor, and also connects a resistor in parallel with the variable resistor, and compares the resistance value of these three resistors to the variable resistor. The resistance value of the variable resistor is set to a large value, and V is set so that the variation in the resistance value of the variable resistor does not cause a large variation in the operational amplifier power d.

実施列の説明 以−F本発明の一実施しυを説明する。16は室温検出
回路で室温調節用の”J変抵抗諸1と、これに並列接続
した抵抗器4、そして”T変抵抗器1の両端に倭、恍し
た抵抗器2,3とから構成され、これら抵抗器2,3.
4の抵抗値に比べ可変抵抗器1の抵抗値を充分大きく設
定する。16は室温検出回路で、室温検出用サーミスタ
5、抵抗’i!g6,7、ソシてトランジスタ8等から
構成されている・。
DESCRIPTION OF EMBODIMENTS From now on, one implementation υ of the present invention will be explained. Reference numeral 16 denotes a room temperature detection circuit, which is composed of J variable resistors 1 for room temperature adjustment, a resistor 4 connected in parallel to this, and resistors 2 and 3 connected to both ends of the T variable resistor 1. , these resistors 2, 3 .
The resistance value of variable resistor 1 is set to be sufficiently large compared to the resistance value of variable resistor 4. 16 is a room temperature detection circuit, which includes a room temperature detection thermistor 5 and a resistor 'i! It consists of transistors 8, 6, 7, and so on.

9は冷暖切替スイッチ、10は可変抵抗器1の摺動子に
なるD点に■1(4g人カ端子を接続し、またθ側入力
端子を室、8iii検出回路16のE点に接続したオペ
アンプ、11は排他的論理和の回路であるC−MOSで
、オペアンプ10の出力端子と、冷暖VJ替スイッチ9
に接、読しているNOT 回路のC−Mo S 14に
入力端を接続している。13はC−MO811からの出
力により作動し、空気調和機の圧陥機(図示せず)を運
転および停止させるリレーである。
9 is a cooling/heating selector switch, 10 is a slider of variable resistor 1, and the point D is connected to the point D. The operational amplifier 11 is a C-MOS which is an exclusive OR circuit, and the output terminal of the operational amplifier 10 and the cooling/heating VJ change switch 9
The input end is connected to the C-Mo S 14 of the NOT circuit being read. 13 is a relay that is activated by the output from the C-MO 811 to operate and stop a pressure collapse machine (not shown) of the air conditioner.

上記実施列において、オペアンプ10で、可変抵抗器1
カ・らの出力電圧と、室温検出用サーミスタ5からの出
力電圧が比較され、そして、冷房運転時に=J変低抵抗
器1らの出力電圧が室温検出用サーミスタ5からの出力
「E圧よりも高い時、すなわち室内サーモスタット(図
示せず)がONの時オペアンプ10の出力d圧はHig
h 重圧(以下H屯田という)となる。また、暖房運転
時にiI変低抵抗器1らの出力電圧が室温検出用サーミ
スタ5からの出力電圧よりも小さい時、すなわち室内サ
ーモスタットかONの時、オペアンプ1Qの出力電圧は
Low 直圧(以下り重圧という)となる。
In the above implementation row, the operational amplifier 10 and the variable resistor 1
The output voltages of F and R are compared with the output voltage from the room temperature detection thermistor 5, and during cooling operation, the output voltage of the J low resistor 1, etc. is high, that is, when the indoor thermostat (not shown) is ON, the output d pressure of the operational amplifier 10 is High.
h Heavy pressure (hereinafter referred to as H tonden). In addition, when the output voltage of the iI variable resistor 1 is lower than the output voltage from the room temperature detection thermistor 5 during heating operation, that is, when the indoor thermostat is ON, the output voltage of the operational amplifier 1Q is Low direct voltage (or less). (called heavy pressure).

そして一方、C−MO81qの入力端にがかる電圧は冷
暖切階スイッチ9を「入Jにして暖房運転にすると、H
電圧となり、「切」にして、冷房運転するとL4圧とな
る。このC−、+vfO311は排他的論理オ日の回路
であるため、冷房及び暖房運転時とも、室内ザーモス、
タノトがONの状態である限り、C−MO811の出力
電圧がH4圧となり、この先に接続された圧縮槻発停用
のリレー13を励磁させ、圧縮、!k(図示せず)を運
転させ、冷房縁び暖房運転時室内サーモスタットが○F
Fの状態になるとC−、m0811の出力電圧がL電圧
とlす、圧縮機発停用リレー13tri励イ滋されず圧
縮機は停止する。このように室温調節用の可変抵抗器1
からの出力電圧と室温7険出用サーミスタ5からの出力
電圧を絶えず比較しながら圧縮護の発停の利1卸を行′
なうことにより、ljJ変抵抗器1の設定温ノ変に室?
I′iMを一定に保つことかできる。
On the other hand, the voltage applied to the input terminal of C-MO 81q is H
When you turn it off and run the air conditioner, the voltage becomes L4. Since this C-, +vfO311 is an exclusive logic circuit, the indoor thermos,
As long as Tanoto is in the ON state, the output voltage of C-MO811 becomes H4 voltage, which excites the relay 13 connected to the end for starting and stopping the compressor, and compresses! K (not shown) is operated, and the indoor thermostat is set to ○F during cooling and heating operation.
When the state F is reached, the output voltage of C- and m0811 becomes the L voltage, and the compressor start/stop relay 13tri is not energized and the compressor is stopped. In this way, variable resistor 1 for room temperature adjustment
The effectiveness of starting and stopping the compression protection is determined by constantly comparing the output voltage from the thermistor 5 and the output voltage from the room temperature thermistor 5.
By changing the temperature setting of ljj variable resistor 1?
It is possible to keep I'iM constant.

このような室温廊]節で可変抵抗器1の抵抗値かそれと
並列にj妾読された抵抗器4の抵抗1ii’jr4より
はるかに大きければ、それら2つの合成抵抗値は r4
となる。したがって抵抗52.3の抵抗値をr2.r3
とすると、0点にVoO混圧がかが可変抵抗器1の出力
電圧、すなわちD点の電圧は変動することになり、可変
抵抗器1の抵抗値にはほとんど影響を受けないことにな
る。したがって、可変抵抗器として多少精度の悪いもの
を使用しても、その出力電圧はほとんど可変抵抗器1の
精度に影響を受けないという利点が得られる。
If the resistance value of variable resistor 1 is much larger than the resistance 1ii' of resistor 4 read in parallel with it at such a node, the combined resistance value of those two is r4
becomes. Therefore, the resistance value of resistor 52.3 is set to r2. r3
If this is the case, the output voltage of the variable resistor 1, that is, the voltage at the point D, will vary if there is a VoO mixed voltage at the 0 point, and it will be hardly affected by the resistance value of the variable resistor 1. Therefore, even if a variable resistor with somewhat poor precision is used, the advantage is that the output voltage is hardly affected by the precision of the variable resistor 1.

丑だ、冷暖切替スイッチ9を「入」にすると、N OT
回路のC−MO814の働きにより、トランジスタ8の
ベースにはH電圧がかかるため、トランジスタ8のコレ
クターエミッタ間には電流が流れない。すなわち、暖房
運転時には抵抗6は室温検出用サーミスタ5に接続され
ず、入力電圧■0は抵抗7を介して室温検出用サーミス
タ5にかかり、抵抗7は暖房時に比較的大きな抵抗値と
なる室温検出用サーミスタ5とバランスを取りながら、
室温に応じた出力電圧がE点にかかるようになる。
If you turn on the heating/cooling switch 9, it will turn on.
Due to the function of the C-MO 814 in the circuit, an H voltage is applied to the base of the transistor 8, so no current flows between the collector and emitter of the transistor 8. That is, during heating operation, the resistor 6 is not connected to the room temperature detection thermistor 5, and the input voltage 0 is applied to the room temperature detection thermistor 5 via the resistor 7, and the resistance 7 has a relatively large resistance value during room temperature detection. While balancing with the thermistor 5 for
An output voltage corresponding to room temperature is applied to point E.

・逆に冷暖切替スイッチ9が「切」一時、すなわち冷房
運転時には、NOT回路のC−MO314の動きにより
、トランジスタ8のベースはL電圧となるため、トラン
ジスタ8のコレクターエミッタ間にはd流が流れ、入力
電圧vOは並列接続された抵抗6及び抵抗7を介して、
室温検出用ザーミスタ5にかかることになる。抵抗6及
び抵抗7をほぼ同じ抵抗値に設6」するとその並列合成
抵抗は抵抗6のほぼ半分となり、これが冷房時の比較的
小さな抵抗値となる室’IQ検出用サーミスタ5とバラ
ンスを取りながら、室温に応じた出力電圧がE点にかか
るようになる。
・On the contrary, when the cooling/heating selector switch 9 is temporarily turned off, that is, during cooling operation, the base of the transistor 8 becomes L voltage due to the movement of the C-MO 314 of the NOT circuit, so a d current flows between the collector and emitter of the transistor 8. The input voltage vO is passed through the resistors 6 and 7 connected in parallel,
This will be applied to the thermistor 5 for detecting room temperature. If resistor 6 and resistor 7 are set to approximately the same resistance value, the parallel combined resistance will be approximately half of resistor 6, and this will balance the room IQ detection thermistor 5, which has a relatively small resistance value during cooling. , an output voltage corresponding to room temperature is applied to point E.

発明の効果 このように本発明は室7HIj調節回路と、前記両回路
からの出力電圧を入力し、これにより空調機の運転、停
止の出力信号を送るオペアンプとを諦え、上記室温調節
回路は可変抵抗器と、その両端に抵抗器を1つずつ接、
続し、かつこのr11′変抵抗器と並列に抵抗器を接続
して構成し、さらにこれら3つの抵抗器の抵抗値に比べ
て 可変抵抗器の抵抗値を大きくすることにより、以下
のような効果を有する。
Effects of the Invention As described above, the present invention eliminates the room 7HIj control circuit and the operational amplifier that inputs the output voltage from both circuits and sends output signals for operating and stopping the air conditioner. Connect a variable resistor and one resistor to each end of it,
Then, by connecting a resistor in parallel with this r11' variable resistor and making the resistance value of the variable resistor larger than the resistance value of these three resistors, the following can be obtained. have an effect.

■ 可変抵抗器の精度が多少悪いものを使用しても可変
抵抗器の設定位置が同一であれば、機器により設定温度
がばらつくことがない。
■ Even if a variable resistor with somewhat poor accuracy is used, as long as the setting position of the variable resistor is the same, the set temperature will not vary depending on the device.

■ i丁亥抵抗器の最高と最低の設定温度すなわち、温
度調節範囲が機器によりばらつくことがなく、快適1生
、信頼性が向上する。
■ The maximum and minimum set temperatures of the i-cho resistor, that is, the temperature control range, do not vary depending on the device, improving comfort and reliability.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来列の室温調節制御装置の心気回路図、第2
図は本発明室温調節制御装置の一実施り1」を示す電気
回路図である。 1・・・・・可変抵抗器、、2,3.4・・・・・・抵
抗器、5・・・・・・室温検出用サーミスタ、11・・
・・・・オペアンプ、15・・・・・室温調節回路、1
6・・・・・・室温検出回路。 代理人の氏名 弁理士 中 尾 敏 男 ほか1名第1
Figure 1 is the inspiratory circuit diagram of the conventional room temperature control device;
The figure is an electric circuit diagram showing "Embodiment 1" of the room temperature control device of the present invention. 1...Variable resistor, 2,3.4...Resistor, 5...Room temperature detection thermistor, 11...
...Operational amplifier, 15 ...Room temperature control circuit, 1
6...Room temperature detection circuit. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
figure

Claims (1)

【特許請求の範囲】[Claims] 室温調節回路と、室温検出回路と、前記両回路からの出
力成圧を入力し、これにより空調機の運転および停止の
出力信号を送るオペアンプとを’f)#jえ、上記室温
調節回路は室温調節用の可変抵抗器、これに並列接続し
た抵抗器、可変抵抗器の両端に接続した抵抗器を有し、
かつ3個の抵抗器の抵抗値に比し、可変抵抗器の抵抗値
を大きくした室温調節面IJ郡装置。
The above-mentioned room temperature adjustment circuit includes a room temperature adjustment circuit, a room temperature detection circuit, and an operational amplifier that inputs the output pressure from both circuits and sends output signals for operating and stopping the air conditioner. It has a variable resistor for room temperature adjustment, a resistor connected in parallel to this, and a resistor connected to both ends of the variable resistor.
and a room temperature control surface IJ group device in which the resistance value of the variable resistor is larger than the resistance value of the three resistors.
JP58178549A 1983-09-27 1983-09-27 Room temperature adjustment controller Pending JPS6069701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58178549A JPS6069701A (en) 1983-09-27 1983-09-27 Room temperature adjustment controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58178549A JPS6069701A (en) 1983-09-27 1983-09-27 Room temperature adjustment controller

Publications (1)

Publication Number Publication Date
JPS6069701A true JPS6069701A (en) 1985-04-20

Family

ID=16050423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58178549A Pending JPS6069701A (en) 1983-09-27 1983-09-27 Room temperature adjustment controller

Country Status (1)

Country Link
JP (1) JPS6069701A (en)

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