JPS6122210Y2 - - Google Patents
Info
- Publication number
- JPS6122210Y2 JPS6122210Y2 JP1980155049U JP15504980U JPS6122210Y2 JP S6122210 Y2 JPS6122210 Y2 JP S6122210Y2 JP 1980155049 U JP1980155049 U JP 1980155049U JP 15504980 U JP15504980 U JP 15504980U JP S6122210 Y2 JPS6122210 Y2 JP S6122210Y2
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- cooling
- heating
- temperature
- sensing element
- 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
Links
- 238000010438 heat treatment Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000003507 refrigerant Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Description
【考案の詳細な説明】
この考案は空気調和機の制御装置の改良に関す
るものである。[Detailed Description of the Invention] This invention relates to an improvement of a control device for an air conditioner.
従来、温水による暖房と冷媒による冷房とを行
う空気調和機として、第1図に例示するものが知
られていた。第1図において、1は空気調和機本
体、2はこの本体1内の前部に設けた熱交換器
で、この熱交換器2は暖房用の温水パイプ3と冷
房用の冷媒パイプ4が多数のフイン5と固定して
組込まれている。6は前記本体1の熱交換器2の
前面に開口させた吸込口、7は前記本体1内の熱
交換器2の下方に設けたドレン受、8は本体1前
面のドレン受7下方に開口する吹出口、9は吸出
口8に設けた切換ダンパ、10は熱交換器2背面
と吹出口8とを結んで本体1内に形成した送風
路、11は送風路10内に設置した送風フアンで
ある。 2. Description of the Related Art Conventionally, an air conditioner illustrated in FIG. 1 has been known as an air conditioner that performs heating using hot water and cooling using a refrigerant. In Fig. 1, 1 is the main body of the air conditioner, 2 is a heat exchanger installed at the front inside the main body 1, and this heat exchanger 2 has many hot water pipes 3 for heating and refrigerant pipes 4 for cooling. It is fixedly incorporated with the fin 5 of. Reference numeral 6 indicates a suction port opened on the front surface of the heat exchanger 2 of the main body 1, 7 indicates a drain receptacle provided below the heat exchanger 2 within the main body 1, and 8 indicates an opening below the drain receptacle 7 on the front surface of the main body 1. 9 is a switching damper provided at the suction port 8; 10 is an air passage formed in the main body 1 by connecting the back surface of the heat exchanger 2 and the air outlet 8; 11 is a blower fan installed in the air passage 10. It is.
そして、このような空気調和機では、暖房時に
は熱交換器2の温水パイプ3に温水を流し、冷房
時には冷媒パイプ4に冷媒を流して、送風フアン
11を回転させ、吸込口6から室内空気を吸込
み、熱交換器2を通して暖房時には温風を、冷房
時には冷風をつくり、送風路10を経て吹出口8
から室内に吹出している。また、切換ダンパ9を
暖房時には第1図の実線の位置にして本体1の下
方に温風を吹出し、切換ダンパ9を冷房時には第
1図の鎖線の位置にして前方に冷風を吹出してい
る。 In such an air conditioner, hot water is flowed through the hot water pipe 3 of the heat exchanger 2 during heating, and refrigerant is flowed through the refrigerant pipe 4 during cooling, and the blower fan 11 is rotated to blow indoor air from the suction port 6. The suction generates warm air for heating and cold air for cooling through the heat exchanger 2, and then passes through the air duct 10 to the air outlet 8.
It's blowing out into the room. Further, during heating, the switching damper 9 is set to the position shown by the solid line in FIG. 1 to blow hot air downward from the main body 1, and during cooling, the switching damper 9 is set to the position shown by the chain line in FIG. 1 to blow cold air forward.
前述のような空気調和機では、従来、第2図に
示すように、熱交換器2の温水パイプ3は温水入
口部3aを前後方向中央下部に、温水出口部3b
を中央上部にそれぞれ配設し、冷媒パイプ4は冷
媒入口部4aおよび出口部4bを前記温水出口部
3bの両側上部にそれぞれ配設している。また暖
房用サーモスタツトすなわち暖房時に運転開始直
後の冷風の吹出しを防ぐために送風フアンの回転
を遅延させる冷風防止用サーモスタツト12を温
水入口部3aに装着し、冷房用サーモスタツトす
なわち冷房用の弱運転、あるいは供給電圧低下、
さらにフアンロツクなどによる冷媒温度の極端な
低下時の露付き防止のために冷媒圧縮機を停止さ
せる低温サーモスタツト13を冷媒出口部4bに
設けていた。 In the above-mentioned air conditioner, conventionally, as shown in FIG. 2, the hot water pipe 3 of the heat exchanger 2 has a hot water inlet portion 3a located at the lower center in the front-rear direction, and a hot water outlet portion 3b located at the lower center of the heat exchanger 2.
The refrigerant pipe 4 has a refrigerant inlet section 4a and an outlet section 4b arranged at upper portions on both sides of the hot water outlet section 3b. In addition, a heating thermostat, that is, a cold air prevention thermostat 12 that delays the rotation of the blower fan in order to prevent the blowing of cold air immediately after the start of operation during heating, is attached to the hot water inlet 3a, and a cooling thermostat, that is, a weak operation for cooling, is installed. , or supply voltage drop,
Furthermore, a low temperature thermostat 13 for stopping the refrigerant compressor is provided at the refrigerant outlet portion 4b to prevent dew formation when the refrigerant temperature drops extremely due to fan lock or the like.
しかし、暖房時および冷房用サーモスタツト1
2および13を互に離してそれぞれ別個に設けて
いるので温度制御回路が複雑となり、また前記両
サーモスタツト12,13の取付位置が異なるの
でこれらの組立時の作業性が悪く製造コストが高
くなり、さらに制御部品が2つあるために故障率
が高くなるなどの問題があつた。 However, the heating and cooling thermostat 1
Since the thermostats 2 and 13 are provided separately and separated from each other, the temperature control circuit becomes complicated, and since the mounting positions of the two thermostats 12 and 13 are different, the workability when assembling them is poor and the manufacturing cost is high. Furthermore, since there were two control parts, there were problems such as a high failure rate.
この考案は、1個の感温素子を前述した暖房用
および冷房用サーモスタツトに兼用させることに
より、前述した問題を解決して、回路構成を簡単
にしかつ組立を容易にして製造コストを安くする
と共に、故障も少なく信頼性の高い空気調和機の
制御装置を提供することを目的とするものであ
る。 This invention solves the above-mentioned problems by using one temperature sensing element for both heating and cooling thermostats, and simplifies the circuit configuration and facilitates assembly, reducing manufacturing costs. In addition, it is an object of the present invention to provide a highly reliable control device for an air conditioner with few failures.
以下、この考案の一実施例を第3図乃至第5図
に基いて説明する。 An embodiment of this invention will be described below with reference to FIGS. 3 to 5.
第3図において、2は熱交換器、3は温水パイ
プ、4は冷媒パイプ、5はフインである。前記温
水パイプ3は温水入口部3aが熱交換器2の前後
方向中央上部に、温水出口部3bが中央下部にそ
れぞれ配設され、冷媒パイプ4は冷媒入口部4a
および出口部4bが前記温水入口部3aの両側上
部にそれぞれ配設されている。また、第3図、第
4図に示すように、温水入口部3aと冷媒出口部
3bとに渡しかけて熱伝導性の高い材料の板から
なる連結部材14が固定されていると共に、暖房
用および冷暖房兼用サーモスタツト16は、少な
くとも感温素子部18が熱伝導性の高い材料から
なる覆い15で覆われ、この覆い15が前記連結
部材14にねじ17で着脱可能に固定されてい
る。前記兼用サーモスタツトは、第5図に示すよ
うに、感温素子18が暖房側検出回路19および
これと並列に設けた冷房側検出回路20に接続さ
れ、これらの検出回路19,20は冷暖切換回路
21に接続されている。そして、暖房側検出回路
19は45℃〜50℃、冷房側検出回路20は0℃に
近いこれ以上の設定温度にされている。 In FIG. 3, 2 is a heat exchanger, 3 is a hot water pipe, 4 is a refrigerant pipe, and 5 is a fin. The hot water pipe 3 has a hot water inlet 3a disposed at the upper center in the front-rear direction of the heat exchanger 2, a hot water outlet 3b at the lower center, and the refrigerant pipe 4 has a refrigerant inlet 4a.
and outlet portions 4b are respectively disposed on both sides of the hot water inlet portion 3a. Further, as shown in FIGS. 3 and 4, a connecting member 14 made of a plate made of a material with high thermal conductivity is fixed across the hot water inlet section 3a and the refrigerant outlet section 3b, and In the heating/cooling thermostat 16, at least the temperature sensing element portion 18 is covered with a cover 15 made of a material with high thermal conductivity, and the cover 15 is removably fixed to the connecting member 14 with screws 17. In the dual-purpose thermostat, as shown in FIG. 5, the temperature sensing element 18 is connected to a heating side detection circuit 19 and a cooling side detection circuit 20 provided in parallel thereto, and these detection circuits 19 and 20 are used to switch between cooling and heating. It is connected to the circuit 21. The heating side detection circuit 19 is set at a temperature of 45°C to 50°C, and the cooling side detection circuit 20 is set at a temperature close to 0°C or higher.
したがつて、暖房時には、冷暖切換回路21の
動作により、温水入口部3aの温度が暖房側検出
回路19の設定温度以上になると、感温素子18
の検出信号により暖房側検出回路19がONとな
り、暖房運転開始時に停止していた送風フアンを
回転させて温風の吹出しを開始させる。また、冷
房運転時には、冷暖切換回路21の切換により、
冷媒出口部4bの温度が冷房側検出回路20の設
定温度以下になると、感温素子18の検出信号に
より冷房側検出回路20がOFFとなり冷媒圧縮
機を停止させる。 Therefore, during heating, when the temperature of the hot water inlet section 3a becomes equal to or higher than the set temperature of the heating side detection circuit 19 due to the operation of the cooling/heating switching circuit 21, the temperature sensing element 18
The heating side detection circuit 19 is turned ON by the detection signal, and the blowing fan that was stopped at the start of the heating operation is rotated to start blowing out hot air. Also, during cooling operation, by switching the cooling/heating switching circuit 21,
When the temperature of the refrigerant outlet portion 4b becomes equal to or lower than the set temperature of the cooling side detection circuit 20, the cooling side detection circuit 20 is turned off by the detection signal of the temperature sensing element 18, and the refrigerant compressor is stopped.
なお、この実施例において、前述した以外は第
1図、第2図に示す従来のものと同様であるから
説明を省略する。 It should be noted that this embodiment is the same as the conventional one shown in FIGS. 1 and 2 except for the above-mentioned parts, so the explanation will be omitted.
以上説明したように、この考案による空気調和
機の制御装置は、従来は暖房用および冷房用サー
モスタツトにそれぞれ設けていた感温素子を1個
で兼用させたので、回路構成が簡単となり、組立
も容易となることにより製造コストを安価にする
ことができ、取付位置が1個所になることにより
故障時の交換など点検、修理が容易となり、しか
も感温素子の数が少なくなることにより故障も少
なく信頼性を向上させることができ、感温素子の
取付スペースも小さくてすむという効果が得られ
る。 As explained above, the air conditioner control device according to this invention uses a single temperature-sensing element that was conventionally installed in heating and cooling thermostats, which simplifies the circuit configuration and facilitates assembly. The manufacturing cost can be lowered by making it easier to install, and since there is only one mounting location, inspection and repair such as replacement in the event of a failure is easier.Furthermore, the number of temperature sensing elements is reduced, which reduces the possibility of failure. The effect is that reliability can be improved by reducing the temperature-sensitive element, and the mounting space for the temperature-sensitive element can be reduced.
第1図は空気調和機の一例を示す概略側断面
図、第2図は従来の空気調和機のサーモスタツト
部分を示す斜視図、第3図はこの考案の一実施例
による制御装置を示す要部の斜視図、第4図は同
感温素子取付部の拡大断面図、第5図は同制御回
路図である。
2……熱交換器、3……温水パイプ、4……冷
媒パイプ、16……暖房用および冷房用兼用サー
モスタツト、18……感温素子、19……暖房側
検出回路、20……冷房側検出回路、21……冷
暖切換回路。なお、図中同一符号は同一または相
当部分を示す。
Fig. 1 is a schematic side sectional view showing an example of an air conditioner, Fig. 2 is a perspective view showing a thermostat portion of a conventional air conditioner, and Fig. 3 is a schematic diagram showing a control device according to an embodiment of the invention. FIG. 4 is an enlarged sectional view of the temperature-sensitive element mounting portion, and FIG. 5 is a control circuit diagram. 2...Heat exchanger, 3...Hot water pipe, 4...Refrigerant pipe, 16...Dual use thermostat for heating and cooling, 18...Temperature sensing element, 19...Heating side detection circuit, 20...Cooling side detection circuit, 21...cooling/heating switching circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
5で固定して組み込んで冷暖房兼用の熱交換器2
を形成し、上記温水パイプ3の温水入口部3aを
上記熱交換器2の前後方向中央上部に配設し、温
水出口部3bを熱交換器2の中央下部に配設し、
冷媒パイプ4の冷媒入口部4aと出口部4bを温
水入口部3aの両側上部にそれぞれ配設し、温水
入口部3aと冷媒出口部4bとの間に熱伝導性の
連結部材14を連結し、この連結部材14に暖房
用および冷房兼用サーモスタツト16の感温素子
部18を包囲した熱伝導性の覆い15を取り付
け、この感温素子部18に暖房側回路19および
冷房側検出回路20を接続し、冷暖切換回路21
を動作させることにより、暖房時に感温素子部1
8の検出温度が暖房側検出回路の設定温度以上と
なると温風の吹出しを開始させかつ冷房時に感温
素子部18の検出温度が冷房側検出回路20の設
定温度以下になると圧縮機を停止させることを特
徴とする空気調和機の制御装置。 A heat exchanger 2 for heating and cooling is constructed by fixing and incorporating a hot water pipe 3 and a refrigerant pipe 4 with a number of fins 5.
The hot water inlet portion 3a of the hot water pipe 3 is disposed at the upper center in the front-rear direction of the heat exchanger 2, and the hot water outlet portion 3b is disposed at the lower center of the heat exchanger 2,
A refrigerant inlet part 4a and an outlet part 4b of the refrigerant pipe 4 are respectively disposed on both sides of the hot water inlet part 3a, and a thermally conductive connecting member 14 is connected between the hot water inlet part 3a and the refrigerant outlet part 4b, A thermally conductive cover 15 that surrounds the temperature sensing element section 18 of the heating and cooling thermostat 16 is attached to this connecting member 14, and a heating side circuit 19 and a cooling side detection circuit 20 are connected to this temperature sensing element section 18. The cooling/heating switching circuit 21
By operating the temperature sensing element part 1 during heating,
When the detected temperature of 8 becomes equal to or higher than the set temperature of the heating side detection circuit, blowing of hot air is started, and when the detected temperature of the temperature sensing element section 18 during cooling becomes equal to or lower than the set temperature of the cooling side detection circuit 20, the compressor is stopped. An air conditioner control device characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980155049U JPS6122210Y2 (en) | 1980-10-30 | 1980-10-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980155049U JPS6122210Y2 (en) | 1980-10-30 | 1980-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5777841U JPS5777841U (en) | 1982-05-14 |
JPS6122210Y2 true JPS6122210Y2 (en) | 1986-07-03 |
Family
ID=29514264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1980155049U Expired JPS6122210Y2 (en) | 1980-10-30 | 1980-10-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6122210Y2 (en) |
-
1980
- 1980-10-30 JP JP1980155049U patent/JPS6122210Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5777841U (en) | 1982-05-14 |
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