JPS62741A - Control device for gathered heat amount of air conditioner using geothermal source - Google Patents
Control device for gathered heat amount of air conditioner using geothermal sourceInfo
- Publication number
- JPS62741A JPS62741A JP13934685A JP13934685A JPS62741A JP S62741 A JPS62741 A JP S62741A JP 13934685 A JP13934685 A JP 13934685A JP 13934685 A JP13934685 A JP 13934685A JP S62741 A JPS62741 A JP S62741A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- valve
- pump
- brine
- control device
- 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
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は大地熱を熱源とする空気調和機に関するもので
ある〇
従来の技術
近年、大地熱を熱源とする、空気調和機は、年間を通じ
て、安定した熱量が得られるこ七が注目され、研究が進
められており、その室温制御は採熱量を一定として、Ｏ
Ｎ、ＯＦＦ制御で行うことが考えられる。[Detailed Description of the Invention] Industrial Application Field The present invention relates to an air conditioner that uses geothermal heat as a heat source.〇Prior art In recent years, air conditioners that use geothermal heat as a heat source have been developed to operate stably throughout the year. This device has attracted attention and is being researched because it can obtain a certain amount of heat, and its room temperature control is based on the O
It is conceivable to use N, OFF control.
以下図面を参照しながら、上述した採熱管を２本使用し
た従来の大地熱源空気調和機の一例について説明する。An example of a conventional geothermal source air conditioner using the two heat collecting pipes described above will be described below with reference to the drawings.
第４図は従来の冷凍サイクル図、第５図は従来の電気回
路図を示すものである。第４図において１は圧縮機、２
は凝縮器、３け減圧装置、４け二重管熱交換器の冷媒回
路、５は二重管熱交換器のブライン回路、６Ｉ／′ｉポ
ンプ、７．８は採熱管、９／ｆｉ室温検出用サーモスタ
ツトである。FIG. 4 shows a conventional refrigeration cycle diagram, and FIG. 5 shows a conventional electric circuit diagram. In Fig. 4, 1 is a compressor, 2
is a condenser, a 3-piece pressure reducing device, a refrigerant circuit of a 4-piece double-tube heat exchanger, 5 is a brine circuit of a double-tube heat exchanger, 6I/'i pump, 7.8 is a heat collecting tube, 9/fi is room temperature This is a detection thermostat.
第５図において第４図と、同一部品についてけ同一番号
を符して説明を省略する。圧縮機１、凝縮器２、減圧装
置３、二重音熱交換器の冷媒回路４を環状に連結し、冷
凍サイクルを構成し、二重音熱交換器のブライン回路５
、ポンプ６、採熱管７．８によりブライン回路を構成し
ている。室温検出用サーモスタット９は凝縮器の近くに
固定されている。In FIG. 5, the same parts as in FIG. 4 are denoted by the same numbers, and their explanation will be omitted. The compressor 1, the condenser 2, the pressure reducing device 3, and the refrigerant circuit 4 of the double acoustic heat exchanger are connected in a ring to form a refrigeration cycle, and the brine circuit 5 of the double acoustic heat exchanger
, pump 6, and heat collection tubes 7.8 constitute a brine circuit. A room temperature detection thermostat 9 is fixed near the condenser.
以上のように構成された大地熱源空気調和機について、
以下その動作について説明する。Regarding the ground heat source air conditioner configured as above,
The operation will be explained below.
圧縮機１から吐出された、高温高圧のガス冷媒は凝縮器
２で放熱し高圧の液冷媒となり減圧装置３で減圧され、
二重音熱交換器の冷媒回路４で、ポンプ６で循環し、採
熱管７．８で吸熱した、二重音熱交換器のブライン回路
５を流れるブラインより吸熱し圧縮機１へ戻りこのサイ
タルをくり返す。さらに室温の制御は、室温検出用サー
モスタット９によって行われ、室温が設定値より高いこ
とを室温検出用サーモスタット９が検出したときは、圧
縮機１、ポンプ６が停止し、低贋ときは圧縮機１、ポン
プ６は運転する。The high-temperature, high-pressure gas refrigerant discharged from the compressor 1 radiates heat in the condenser 2 and becomes a high-pressure liquid refrigerant, and its pressure is reduced in the pressure reducing device 3.
In the refrigerant circuit 4 of the double acoustic heat exchanger, the brine circulates with the pump 6 and absorbs heat in the heat collecting tubes 7.8, absorbs heat from the brine flowing through the brine circuit 5 of the double acoustic heat exchanger, and returns to the compressor 1. return. Further, the room temperature is controlled by a room temperature detection thermostat 9. When the room temperature detection thermostat 9 detects that the room temperature is higher than the set value, the compressor 1 and the pump 6 are stopped. 1. Pump 6 is operated.
発明が解決しようとする問題点
しかしながら上記のような構成では、ブラインの流量、
採熱管の本数が一定なので、採熱量も一定となり、室温
が設定温度に近づくと必要放熱量より採熱量が大となり
、室温検出用サーモスタット９の動作により、圧縮機１
、ポンプ６の運転、停止がひんばんに発生し、室温の変
動が大きくなり快適性を損うという問題点を有していた
。Problems to be Solved by the Invention However, in the above configuration, the flow rate of brine,
Since the number of heat collecting tubes is constant, the amount of heat collected is also constant, and when the room temperature approaches the set temperature, the amount of heat collected becomes larger than the required heat radiation amount, and the operation of the room temperature detection thermostat 9 causes the compressor 1 to
, the pump 6 frequently starts and stops, leading to large fluctuations in room temperature, which impairs comfort.
本発明は上記問題点に鑑み、必要放熱量と採熱量をでき
るだけ等しくし、圧縮機１、ポンプ６の運転、停止を少
なくし、室温の変動を少なくし、快適な大地熱源空気調
和機を提供するものである。In view of the above-mentioned problems, the present invention provides a comfortable geothermal source air conditioner that makes the necessary heat radiation amount and heat extraction amount as equal as possible, reduces the number of operations and stops of the compressor 1 and pump 6, and reduces room temperature fluctuations. It is something to do.
問題点を解決するための手段
上記問題点を解決するために本発明の採熱量制御装置は
、設定室内温度と室内温度との差温に相当する電気信号
に変換する差温検出手段と、差温検出手段による電気信
号の大小を比較し、２制御信号を出力する、比較手段と
採熱管へのブラインの流入を開閉する開閉弁を駆動する
駆動手段を備えたものである。Means for Solving the Problems In order to solve the above problems, the heat extraction amount control device of the present invention includes a temperature difference detection means for converting into an electric signal corresponding to the temperature difference between the set room temperature and the room temperature; The apparatus is equipped with a comparing means that compares the magnitude of the electric signal from the temperature detecting means and outputs two control signals, and a driving means that drives an on-off valve that opens and closes the flow of brine into the heat collecting tube.
作 用
本発明は上記した構成によって、室内温度が、設定室内
温度に近づいたことを差温検出手段で検出し、採熱管の
一端に設けた弁を開閉して、採熱量は必要放熱量とバラ
ンスを保つよう制御される。Effect of the present invention With the above-described configuration, the temperature difference detection means detects when the indoor temperature approaches the set indoor temperature, opens and closes the valve provided at one end of the heat collecting tube, and determines that the amount of heat collected is equal to the required amount of heat dissipation. controlled to maintain balance.
実施例
以下本発明の一実施例の大地熱源空気調和機の採熱量制
御装置について、図面を参照しながら説明する。Embodiment Hereinafter, a heat extraction amount control device for a ground heat source air conditioner according to an embodiment of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例における大地熱源空気調和機
の冷媒サイクル及びグライン回路図でるシ、第２図は、
採熱量制御装置の回路図である〇第１図におりて、１０
は電磁弁、１１は採熱量制御装置である。冷媒サイクル
は圧縮機１、凝縮器２、減圧装置３、二重音熱交換器の
冷媒回路４を環状に連結して構成され、ブライン回路は
二重音熱交換器のブライン回路５の一端にポンプ６、他
端に採熱管７．８の一端を接続し、ポンプ６の他端と採
熱管７の他端を開閉弁１０を介して接続し、採熱管８の
他端はポンプ６の他端に接続されている。第２図におい
てＴ１は設定室内温度、Ｔ２は室温検出用サーモスタッ
ト９で検出される室温、１３は差動増幅器からなる差温
検出手段、１４はコンパレータからなる比較手段、１５
けトランジスタからなる弁駆動コイル１６の駆動手段、
１７．１８は比較手段１４の基準電圧を決める抵抗器で
ある。Figure 1 shows the refrigerant cycle and grain circuit diagram of a ground heat source air conditioner according to an embodiment of the present invention, and Figure 2 shows the
In Figure 1, which is the circuit diagram of the heat extraction amount control device, 10
11 is a solenoid valve, and 11 is a heat extraction amount control device. The refrigerant cycle is constructed by connecting a compressor 1, a condenser 2, a pressure reducing device 3, and a refrigerant circuit 4 of a double sonic heat exchanger in an annular manner.The brine circuit has a pump 6 connected to one end of the brine circuit 5 of the double sonic heat exchanger. , one end of the heat collecting pipe 7.8 is connected to the other end, the other end of the pump 6 and the other end of the heat collecting pipe 7 are connected via an on-off valve 10, and the other end of the heat collecting pipe 8 is connected to the other end of the pump 6. It is connected. In FIG. 2, T1 is the set room temperature, T2 is the room temperature detected by the room temperature detection thermostat 9, 13 is a temperature difference detection means consisting of a differential amplifier, 14 is a comparison means consisting of a comparator, 15
driving means for the valve drive coil 16 consisting of a transistor;
17 and 18 are resistors that determine the reference voltage of the comparison means 14.
開閉弁１０は弁駆動コイル１６に通電したとき閉となる
。The on-off valve 10 is closed when the valve drive coil 16 is energized.
以上のように構成された、大地熱源空調機の採熱量制御
装置について、以下第１図、第２図、第３図を用いてそ
の動作分説明する。The operation of the heat extraction amount control device for the ground heat source air conditioner configured as described above will be explained below with reference to FIGS. 1, 2, and 3.
まず、差温検出手段１３の出力電圧が、比較手段１４の
基準電圧ｖ１より高い場合、すなわち、設定室内温度よ
り室温が大幅に低い場合は、比較手段１４の出力はＬｏ
レベルとなり駆動手段１５はＯＮせず弁駆動コイル１Ｇ
にも通電されないため、開閉弁１０は開のままで、採熱
管７．８共にブラインが流れ、十分な採熱が行える。差
温検出手段１ａの出力電圧カニ比較手段１４の基準電圧
ｖ１以下、すなわち、設定室内温度と室内温度との差が
小さくなると比較手段１４の出力がＨｉレベルとなり、
駆動手段１５がＯＮとなり弁駆動コイル１６に通電され
、開閉弁１０け閉となり採熱量が少なくなる。つまり凝
縮器２からの放熱量を少なくすることになる。First, when the output voltage of the temperature difference detection means 13 is higher than the reference voltage v1 of the comparison means 14, that is, when the room temperature is significantly lower than the set indoor temperature, the output of the comparison means 14 is Lo.
level, the drive means 15 is not turned on and the valve drive coil 1G
Since no electricity is applied to the tubes, the on-off valve 10 remains open, and brine flows through both the heat collection tubes 7 and 8, allowing sufficient heat collection. When the output voltage of the temperature difference detection means 1a is lower than the reference voltage v1 of the comparison means 14, that is, when the difference between the set indoor temperature and the indoor temperature becomes small, the output of the comparison means 14 becomes Hi level,
The drive means 15 is turned on, the valve drive coil 16 is energized, the on-off valve 10 is closed, and the amount of heat collected is reduced. In other words, the amount of heat released from the condenser 2 is reduced.
以上のように木実流側によれば、２木の採熱管のうち１
木の採熱管のブライン流路の片側に、設定室内温と室内
温度との差の大小によって開閉する開閉弁と、この弁の
開閉を制御する差温検出手段、比較手段、駆動手段、弁
駆動コイルから成る採熱量制御装置を設けることにより
、室内への必要放熱量に見合って採熱量を２段階に切り
換えることができる。As mentioned above, according to the Kinomi flow side, one of the two wooden heat collecting pipes
On one side of the brine flow path of the wooden heat collection tube, there is an on-off valve that opens and closes depending on the difference between the set room temperature and the room temperature, and a temperature difference detection means, comparison means, drive means, and valve drive that control the opening and closing of this valve. By providing a heat extraction amount control device consisting of a coil, the amount of heat extraction can be switched between two stages depending on the required amount of heat radiation into the room.
発明の効果
以上のように本発明は圧縮機、凝縮器、減圧装置、蒸発
器の冷媒回路を環状に連結して冷凍サイクルを構成し、
さらに蒸発器のブライン回路の一端にポンプの一端を接
続し、蒸発器のブライン回路の他端とポンプの他端の間
に、少なくても１本はブライン流路に開閉弁を有する採
熱管を含む複数本の採熱管を並列に接続しブライン回路
を構成し、開閉弁を電気信号により開閉が制御される開
閉弁とし、さらに開閉弁の開閉を制御する、設定室内温
度と室内温度との差温に相当する電気信号を出力する差
温検出手段と、差温検出手段による電気信号の大小を比
較し、２制御信号を出力する開閉弁の個数と同数の比較
手段と各比較手段の出力に開閉弁の駆動手段と弁駆動コ
イルを備えた、採熱量制御装置を設けることにより、凝
縮器からの必要放熱量と採熱量をできるだけ等しくシ、
圧縮機、ポンプの運転、停止を少なくし、室温の変動を
少なくし快適な大地熱源空気調和機を実現するものであ
る。Effects of the Invention As described above, the present invention configures a refrigeration cycle by connecting a refrigerant circuit of a compressor, a condenser, a pressure reducing device, and an evaporator in a ring.
Furthermore, one end of the pump is connected to one end of the brine circuit of the evaporator, and at least one heat collection pipe having an on-off valve in the brine flow path is connected between the other end of the brine circuit of the evaporator and the other end of the pump. A brine circuit is constructed by connecting multiple heat collection tubes in parallel, the on-off valve is an on-off valve whose opening and closing is controlled by an electric signal, and the difference between the set indoor temperature and the indoor temperature is used to control the opening and closing of the on-off valve. The temperature difference detection means outputs an electric signal corresponding to the temperature, and the magnitude of the electric signal from the temperature difference detection means is compared, and the same number of comparison means as the number of on-off valves outputting two control signals and the output of each comparison means are used. By providing a heat extraction amount control device equipped with an on-off valve driving means and a valve driving coil, the required amount of heat radiation from the condenser and the amount of heat extraction can be made as equal as possible.
The aim is to realize a comfortable geothermal source air conditioner that reduces the number of operations and stops of the compressor and pump, and reduces fluctuations in room temperature.
第１図は本発明の一実施例における冷凍サイクル及びブ
ライン回路図、第２図は採熱量制御装置の回路図、第３
図は設定室内温度と室内温度の差と差温検出手段の出力
電圧の関係を表す線図、第４図は従来の冷凍サイクル及
びブライン回路図、第５図は、第４図の電気回路図であ
る。
１・・・・・・圧縮機、２・・・・・・凝縮器、３・・
・・・・減圧装置、４・・・・・・蒸発器の冷媒回路、
５・・・・・・蒸発器のブライン回路、６・・・・・・
ポンプ、７．８・・・・・・採熱管、９・・・・・・室
温検出用サーモスタット、１０・・・・・・開閉弁、１
１・−・・・・採熱量制御装置、１３・・・・・・差温
検出手段、１４・・・・・・比較手段、１５・・・・・
・駆動手段、１６・・・・・・弁駆動コイル。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名１−
一一圧誼遭
６−ｍ−ポンプ
７８−一一抹熱肯
７−−一室３晟才交水用す−モスタ７ト／６−−−升馬
区動コイル
の
第３図
ｖｏ−−一斧、ａｔ３月又１３の出力電圧（ＴＩ−Ｔｚ
）′ｃ／
第５図Fig. 1 is a refrigeration cycle and brine circuit diagram in an embodiment of the present invention, Fig. 2 is a circuit diagram of a heat extraction amount control device, and Fig. 3 is a circuit diagram of a heat extraction amount control device.
The figure is a diagram showing the relationship between the difference between the set indoor temperature and the indoor temperature and the output voltage of the temperature difference detection means, Fig. 4 is a conventional refrigeration cycle and brine circuit diagram, and Fig. 5 is an electric circuit diagram of Fig. 4. It is. 1... Compressor, 2... Condenser, 3...
...pressure reducing device, 4...evaporator refrigerant circuit,
5... Evaporator brine circuit, 6...
Pump, 7.8... Heat collection tube, 9... Room temperature detection thermostat, 10... Open/close valve, 1
1... Heat extraction amount control device, 13... Temperature difference detection means, 14... Comparison means, 15...
- Drive means, 16...Valve drive coil. Name of agent: Patent attorney Toshio Nakao and 1 other person1-
11 Pressure accident 6-m-Pump 78-11 Heat confirmation 7--One room 3 water exchange use-Mosta 7t/6--3rd diagram of Masuma Ward moving coil vo-- One ax, at March 13 output voltage (TI-Tz
)'c/ Figure 5
Claims (1)
連結して冷凍サイクルを構成し、さらに前記蒸発器のブ
ライン回路の一端にポンプの一端を接続し、前記蒸発器
のブライン回路の他端と、前記ポンプの他端の間に、少
なくても１本はブライン流路に開閉弁を有する採熱管を
含む、複数本の採熱管を並列に接続してブライン回路を
構成し、前記開閉弁を、電気信号により開閉が制御され
る開閉弁とし、さらに前記開閉弁の開閉によって大地か
らの採熱量を制御する採熱量制御装置を設け、この採熱
量制御装置を設定室内温度と、室内温度との差温に相当
する電気信号に変換する差温検出手段と、前記差温検出
手段による電気信号の大小を比較し、２制御信号を出力
する前記開閉弁の個数と同数の比較手段と前記各比較手
段の出力に前記各開閉弁の駆動手段と弁駆動コイルを備
えた大地熱源空気調和機の採熱量制御装置。The refrigerant circuits of the compressor, condenser, pressure reducing device, and evaporator are connected in a ring to form a refrigeration cycle, and one end of the pump is connected to one end of the brine circuit of the evaporator. A brine circuit is configured by connecting a plurality of heat collecting tubes in parallel between the other end of the pump and the other end of the pump, including at least one heat collecting tube having an on-off valve in the brine flow path; The on-off valve is an on-off valve whose opening and closing is controlled by an electric signal, and a heat extraction amount control device that controls the amount of heat extracted from the earth by opening and closing of the on-off valve is provided. temperature difference detection means for converting into an electrical signal corresponding to the difference in temperature; comparison means of the same number as the number of said on-off valves that compare the magnitude of the electrical signal from said temperature difference detection means and output two control signals; A heat extraction amount control device for a geothermal source air conditioner, comprising a drive means for each of the on-off valves and a valve drive coil at the output of each of the comparison means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13934685A JPS62741A (en) | 1985-06-25 | 1985-06-25 | Control device for gathered heat amount of air conditioner using geothermal source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13934685A JPS62741A (en) | 1985-06-25 | 1985-06-25 | Control device for gathered heat amount of air conditioner using geothermal source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62741A true JPS62741A (en) | 1987-01-06 |
Family
ID=15243187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13934685A Pending JPS62741A (en) | 1985-06-25 | 1985-06-25 | Control device for gathered heat amount of air conditioner using geothermal source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62741A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007053951A1 (en) * | 2005-11-14 | 2007-05-18 | Free Energy Solutions Inc. | Geothermal exchange system using a thermally superconducting medium with a refrigerant loop |
| JP2010025440A (en) * | 2008-07-18 | 2010-02-04 | Tokyo Gas Co Ltd | Air conditioning system |
| JP2010175136A (en) * | 2009-01-29 | 2010-08-12 | Corona Corp | Geothermal heat pump device |
| JP2010532842A (en) * | 2007-07-06 | 2010-10-14 | グリーンフィールド エネジー リミテッド | Geothermal energy system and method of operation |
| US9360236B2 (en) | 2008-06-16 | 2016-06-07 | Greenfield Master Ipco Limited | Thermal energy system and method of operation |
| JP2017096585A (en) * | 2015-11-26 | 2017-06-01 | 清水建設株式会社 | Ground heat utilizing air conditioning method |
| US9915247B2 (en) | 2007-07-06 | 2018-03-13 | Erda Master Ipco Limited | Geothermal energy system and method of operation |
| US10309693B2 (en) | 2011-03-08 | 2019-06-04 | Erda Master Ipco Limited | Thermal energy system and method of operation |
-
1985
- 1985-06-25 JP JP13934685A patent/JPS62741A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US10309693B2 (en) | 2011-03-08 | 2019-06-04 | Erda Master Ipco Limited | Thermal energy system and method of operation |
| US10921030B2 (en) | 2011-03-08 | 2021-02-16 | Erda Master Ipco Limited | Thermal energy system and method of operation |
| JP2017096585A (en) * | 2015-11-26 | 2017-06-01 | 清水建設株式会社 | Ground heat utilizing air conditioning method |
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