JPH0454855B2 - - Google Patents
Info
- Publication number
- JPH0454855B2 JPH0454855B2 JP15088185A JP15088185A JPH0454855B2 JP H0454855 B2 JPH0454855 B2 JP H0454855B2 JP 15088185 A JP15088185 A JP 15088185A JP 15088185 A JP15088185 A JP 15088185A JP H0454855 B2 JPH0454855 B2 JP H0454855B2
- Authority
- JP
- Japan
- Prior art keywords
- greenhouse
- state
- heat
- heat storage
- temperature
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000005338 heat storage Methods 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 2
- 235000020681 well water Nutrition 0.000 description 8
- 239000002349 well water Substances 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241000233855 Orchidaceae Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はヒートポンプと温室との熱交換媒体循
環経路内に蓄熱槽を介装して温室内の熱負荷変動
に対して安定した温調作用を施すように構成して
ある温室用空調ヒートポンプに関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides a stable temperature control effect against heat load fluctuations in the greenhouse by interposing a heat storage tank in the heat exchange medium circulation path between the heat pump and the greenhouse. The present invention relates to an air conditioning heat pump for a greenhouse configured to perform.
この種の温室用空調ヒートポンプにおいて、従
来は、凝縮器と温室との間に蓄熱槽を介して温水
循環経路を形成し、温室内を暖房するだけの構成
を採つていた（例えば特願昭59−113692号）。
Conventionally, this type of greenhouse air conditioning heat pump has a configuration in which a hot water circulation path is formed between the condenser and the greenhouse via a heat storage tank to heat the greenhouse (for example, 59-113692).
しかし、前記したように温室を暖房状態だけ、
或いは、冷房状態だけといつた使用では温室内で
作成される作物が限定される虞れがあつた。つま
り、例えば蘭栽培においては通常、開花時期を調
整する為に“山上げ”と称して高地（標高800〜
1000m）で一時的に低温処理を施す必要がある
が、単に暖房か冷房かの一方しかできない温室で
上記のような蘭栽培を行うのは難しい状況にあつ
た。
However, as mentioned above, if the greenhouse is only heated,
Alternatively, if the greenhouse is used only in a cooling state, there is a risk that the crops that can be grown in the greenhouse will be limited. In other words, for example, in orchid cultivation, in order to adjust the flowering time, it is usually done at high altitudes (800~800~
Although it is necessary to temporarily apply low-temperature treatment at a temperature of 1,000 m), it is difficult to cultivate orchids as described above in a greenhouse that can only be heated or cooled.
本発明の目的は栽培作物に対応した温室調節が
行なえるものを提供する点にある。 An object of the present invention is to provide a greenhouse that can be controlled in accordance with the crops being cultivated.
本発明による特徴構成はヒートポンプと複数個
の温室との冷暖房用熱交換媒体循環経路内に複数
個の蓄熱槽を設け、各蓄熱槽を、冷却水循環経路
を形成する冷水貯蔵状態、及び、温水循環経路を
形成する温水貯蔵状態とに独立して切換可能に構
成するとともに、各温室を個別に冷房状態、暖房
状態、及び除湿状態に切換可能に構成してある点
にあり、その作用効果は次の通りである。
The characteristic configuration according to the present invention is that a plurality of heat storage tanks are provided in a heat exchange medium circulation path for heating and cooling between a heat pump and a plurality of greenhouses, and each heat storage tank is used in a cold water storage state forming a cooling water circulation path, and in a hot water circulation state. The hot water storage state that forms the path can be switched independently, and each greenhouse can be individually switched between the cooling state, heating state, and dehumidification state, and its effects are as follows. It is as follows.
つまり、熱交換媒体を凝縮器と熱交換させるこ
とによつて温水状態に、かつ、蒸発器と熱交換さ
せることによつて冷水状態に切換えることができ
る２つの機能をヒートポンプ自体が有している点
に着目して、第２図乃至第４図に示すように、ヒ
ートポンプと蓄熱槽との熱交換媒体循環経路を切
換えることによつて、複数個の蓄熱槽を単独に冷
水状態と温水状態との二状態に切換え可能であ
り、又、蓄熱槽と温室との循環経路を切換えるこ
とによつて、温室も冷房状態と暖房状態に切換え
可能である。
In other words, the heat pump itself has two functions: it can switch to a hot water state by exchanging heat with the condenser, and it can switch to a cold water state by exchanging heat with the evaporator. Focusing on this point, as shown in Figures 2 to 4, by switching the heat exchange medium circulation path between the heat pump and the heat storage tank, multiple heat storage tanks can be independently put into a cold water state and a hot water state. Furthermore, by switching the circulation path between the heat storage tank and the greenhouse, the greenhouse can also be switched between the cooling state and the heating state.
従つて、温室内作物の種別によつて、第１図に
示すように、温室を全室暖房状態に、或いは、第
２図に示すように、冷房状態に、又は、第８図に
示すように、一室を温水と冷水を同時に流す除湿
状態に、かつ、一室を時間経過に従つて冷暖房状
態に切換えることができる。 Therefore, depending on the type of crops in the greenhouse, the entire greenhouse can be heated as shown in Figure 1, cooled as shown in Figure 2, or air-conditioned as shown in Figure 8. Furthermore, it is possible to put one room into a dehumidifying state in which hot water and cold water flow simultaneously, and to switch one room into an air-conditioning state as time passes.
その結果、蘭のように生育過程で一時的に暖房
状態から冷房状態に切換えることを必要とする作
物であつても移し変え必要とせずに温調制御が可
能であるから、作業者の負担を軽減できた状態で
栽培作物の拡張を図ることができ、温室の有効利
用を促進することができる。
As a result, even for crops that require a temporary switch from heating to cooling during the growing process, such as orchids, temperature control is possible without the need for transfer, reducing the burden on workers. It is possible to expand the range of cultivated crops while reducing the burden, and the effective use of greenhouses can be promoted.
しかも、任意に冷暖房状態を可変にできるの
で、各温室単独で生育状況にふさわしい冷暖房状
態に制御可能であり、各温室毎に冷暖房状態を異
ならせることができる。 Furthermore, since the heating and cooling conditions can be made variable as desired, it is possible to control each greenhouse independently to a heating and cooling condition that is appropriate for the growing conditions, and the heating and cooling conditions can be made different for each greenhouse.
第１図に示すように、蒸発器１、圧縮機２、凝
縮器３、膨張弁４からなる冷媒循環回路を構成す
るとともに、第１、２蓄熱槽５，６と凝縮器３と
の間に温水循環経路７、及び、蓄熱槽５，６と蒸
発器１との間に冷水循環経路８を設け、第１，２
蓄熱槽５，６を冷水貯蔵状態とに切換可能に構成
してある。これら蓄熱槽５，６に対して５つの温
室９Ａ，９Ｂ，９Ｃ，９Ｄ，９Ｅを設けるととも
に、蓄熱槽５，６との間に熱交換媒体（冷水、温
水）の循環経路１０Ａ，１０Ｂ，１０Ｃ，１０
Ｄ，１０Ｅを並設して温室空調用のヒートポンプ
を構成してある。凝縮器３及び蒸発器１への両蓄
熱槽５，６からの冷温水循環経路７，８の復路側
に井戸水汲上げ用ポンプ１１を介装した給水路を
設けてある。第１、２蓄熱槽５，６に対して補助
熱源としてのボイラ１２を設け、暖房時の負荷増
大に対応できるようにしてある。
As shown in FIG. 1, a refrigerant circulation circuit is comprised of an evaporator 1, a compressor 2, a condenser 3, and an expansion valve 4, and is connected between the first and second heat storage tanks 5, 6 and the condenser 3. A hot water circulation path 7 and a cold water circulation path 8 are provided between the heat storage tanks 5 and 6 and the evaporator 1.
The heat storage tanks 5 and 6 are configured to be switchable between a cold water storage state and a cold water storage state. Five greenhouses 9A, 9B, 9C, 9D, 9E are provided for these heat storage tanks 5, 6, and circulation paths 10A, 10B, 10C for heat exchange medium (cold water, hot water) are provided between the heat storage tanks 5, 6. ,10
D and 10E are arranged side by side to form a heat pump for greenhouse air conditioning. On the return side of the cold and hot water circulation paths 7 and 8 from the heat storage tanks 5 and 6 to the condenser 3 and evaporator 1, a water supply channel is provided with a well water pump 11 interposed therein. A boiler 12 is provided as an auxiliary heat source for the first and second heat storage tanks 5 and 6 to cope with an increase in load during heating.
各モード（暖房、冷房、除湿、冷暖房）につい
て説明する。 Each mode (heating, cooling, dehumidification, heating and cooling) will be explained.
（暖房）第１図に示すように、第１、２蓄熱槽
５，６を凝縮器３に連結して温水循環経路７を構
成するとともに、蒸発器１側を井戸水と連結して
冷水循環経路８を設けてある。各温室９Ａ，９
Ｂ，９Ｃ，９Ｄ，９Ｅには循環経路７を構成する
放熱器１３Ａ，１３Ｂ，１３Ｃ，１３Ｄ，１３Ｅ
とフアンコイル１４Ａ，１４Ｂ，１４Ｃ，１４
Ｄ，１４Ｅが備えられ、夫々に、温水が供給され
暖房状態を維持するようになつている。この場合
にヒートポンプの運転制御をフローチヤートで示
すと、第５図に示すように、第２蓄熱槽６の温室
がヒートポンプ始動の為の設定温度より小であれ
ばヒートポンプ（温水）循環ポンプ１５を作動さ
せ、ヒートポンプ出口側の温度センサ１６にヒー
トポンプ残熱の影響を低温水で取り除いて、ヒー
トポンプを一定時間後作動させる（ステツプ）。
更に、蓄熱槽温の上昇が十分でなく、ボイラ１２
起動の為の設定温度fTBより低い場合にはボイラ
１２を作動させるようにしてある（ステツプ）。
一方、第６図に示すように、温室側においても、
設定温度fTnより低い場合には、循環ポンプ１６
及びフアンコイル１４Ａ……を作動させ暖房を行
う。 (Heating) As shown in Fig. 1, the first and second heat storage tanks 5 and 6 are connected to the condenser 3 to form a hot water circulation path 7, and the evaporator 1 side is connected to well water to form a cold water circulation path. 8 is provided. Each greenhouse 9A, 9
Heat radiators 13A, 13B, 13C, 13D, 13E that constitute the circulation path 7 are installed in B, 9C, 9D, and 9E.
and fan coils 14A, 14B, 14C, 14
D and 14E are provided, and hot water is supplied to each to maintain the heating state. In this case, if the operation control of the heat pump is shown in a flowchart, as shown in FIG. The heat pump is activated, the influence of the heat pump residual heat on the temperature sensor 16 on the heat pump outlet side is removed with low temperature water, and the heat pump is activated after a certain period of time (step).
Furthermore, the temperature of the heat storage tank did not rise sufficiently, and the boiler 12
If the temperature is lower than the set temperature fT B for startup, the boiler 12 is operated (step).
On the other hand, as shown in Figure 6, on the greenhouse side,
If the temperature is lower than the set temperature fTn, the circulation pump 16
and fan coil 14A... to perform heating.
第２図に示すように、冷房の場合には凝縮器３
側に井戸水を流し、蒸発器１側冷水循環経路８を
第１，２蓄熱槽５，６と連結する。この場合の運
転制御は第５図フローチヤートに示すように、第
１蓄熱槽５の温度がヒートポンプ起動設定温度
fTcより高い場合に井戸水汲上げ用ポンプ１１と
ヒートポンプ用（冷水）循環ポンプ１７を作動さ
せ一定時間後ヒートポンプを作動させるようにな
つている（ステツプ）。この場合に、蓄熱槽５
温度が設定温度fTaより下がりきらない場合には
警報を発するようにしてある。 As shown in Figure 2, in the case of cooling, the condenser 3
Well water is passed through the evaporator 1 side, and the evaporator 1 side cold water circulation path 8 is connected to the first and second heat storage tanks 5 and 6. The operation control in this case is as shown in the flowchart of FIG.
When the temperature is higher than fTc, the well water pump 11 and the heat pump (cold water) circulation pump 17 are activated, and after a certain period of time, the heat pump is activated (step). In this case, the heat storage tank 5
If the temperature does not drop below the set temperature fTa, an alarm is issued.
第３図に示すように、第１温室９Ａを冷房、第
２温室９Ｂ乃至第５温室９Ｅを暖房する場合に
は、第１蓄熱槽５と第１温室９Ａ、及び、第１蓄
熱槽５と蒸発器側冷水循環経路８を連結するとと
もに、第２蓄熱槽６と第２温室９Ｂ、及び、第２
蓄熱槽６と凝縮器側温水循環経路７を連結し、同
時に冷暖房が行なえるようになつている。第５図
フローチヤートによつて運転制御状態を説明する
と、第１蓄熱槽５の温度1Ttがヒートポンプ（冷
水）起動温度fTcより高く、井戸水温fTwより低
く、かつ、第２蓄熱槽６の温度2Ttがヒートポン
プ（温水）起動温度fTHより低い場合には温冷水
ポンプ１５，１７を作動させ一定時間後ヒートポ
ンプを作動させ（ステツプ）、さらに一定時間
後第１蓄熱槽５温度1Ttが設定温度より大きけれ
ば警報を発するようにしてある（ステツプ）。
一方、前記第１蓄熱槽５の温度1Ttが井戸水切替
用温度fTwより大きく、第２蓄熱槽６の温度2Tt
がヒートポンプ起動温度fTHより高い場合には井
戸水を冷水循環経路８に新たに投入して循環排水
させ、循環経路内冷水温を低下させヒートポンプ
効率の向上を図るようにしてある（ステツプ）。
このようなメインルーテインに対して、第２蓄熱
槽６の温度2Ttが設定温度fTaより低い場合には
ボイラ１２を作動させるようにしてある（ステツ
プ）。 As shown in FIG. 3, when cooling the first greenhouse 9A and heating the second greenhouse 9B to the fifth greenhouse 9E, the first heat storage tank 5, the first greenhouse 9A, and the first heat storage tank 5 are heated. While connecting the evaporator side cold water circulation path 8, the second heat storage tank 6, the second greenhouse 9B, and the second
The heat storage tank 6 and the condenser-side hot water circulation path 7 are connected, so that heating and cooling can be performed at the same time. To explain the operation control state using the flowchart in FIG. 5, the temperature 1 Tt of the first heat storage tank 5 is higher than the heat pump (cold water) starting temperature fTc, lower than the well water temperature fTw, and the temperature of the second heat storage tank 6 is 2 If Tt is lower than the heat pump (hot water) starting temperature fT H , the hot and cold water pumps 15 and 17 are activated, and after a certain period of time the heat pump is activated (step), and after a certain period of time, the first heat storage tank 5 temperature 1 Tt is set. If it is higher than the temperature, an alarm is issued (step).
On the other hand, the temperature 1 Tt of the first heat storage tank 5 is higher than the well water switching temperature fTw, and the temperature 2 Tt of the second heat storage tank 6
When the temperature is higher than the heat pump starting temperature fTH , well water is newly introduced into the cold water circulation path 8 to be circulated and drained, thereby lowering the temperature of the cold water in the circulation path and improving the heat pump efficiency (step).
In this main routine, if the temperature 2Tt of the second heat storage tank 6 is lower than the set temperature fTa, the boiler 12 is operated (step).
第４図に示すように、除湿の場合の一例を説明
すると、第１温室９Ａの放熱器１３Ａを第２蓄熱
槽６の温水循環経路１０Ａと連結するとともに、
フアンコイル１４Ａと第１蓄熱槽５とを冷水配管
１８で連結して除湿状態を得られるようにしてあ
る。そして、この場合の温室９Ａ側の作動制御を
行うに、温度センサ及び湿度センサを設け、夫々
設定温度fTnより小さく及び設定湿度fHnより大
きければ夫々、循環ポンプ１５とフアンコイル１
４Ａを作動させるようにしてある。尚、図では温
室９Ａに対する除湿状態だけでなく、他の４つの
温室９Ｂ，９Ｃ，９Ｄ，９Ｅに対しても、夫々の
フアンコイルに対して、図示する点線部での配管
１９を介してフアンコイル１４Ｂ，１４Ｃ，１４
Ｄ，１４Ｅに井戸水等の低温水を送り、除湿状態
を現出するようにしてある。 As shown in FIG. 4, to explain an example of dehumidification, the radiator 13A of the first greenhouse 9A is connected to the hot water circulation path 10A of the second heat storage tank 6, and
The fan coil 14A and the first heat storage tank 5 are connected by a cold water pipe 18 so that a dehumidified state can be obtained. In order to control the operation of the greenhouse 9A in this case, a temperature sensor and a humidity sensor are provided.
4A is activated. In addition, in the figure, not only the dehumidification state for the greenhouse 9A but also the other four greenhouses 9B, 9C, 9D, and 9E are connected to the fan coils via the piping 19 shown in the dotted line. Coils 14B, 14C, 14
Low temperature water such as well water is sent to D and 14E to create a dehumidified state.
図面は本発明に係る温室用空調ヒートポンプの
実施例を示し、第１図は暖房状態を示す全体構成
図、第２図は冷房状態を示す全体構成図、第３図
は冷暖房状態を示す全体構成図、第４図は除湿状
態を示す全体構成図、第５図はヒートポンプ側運
転フローチヤート、第６図は温室側運転フローチ
ヤートである。
５，６……蓄熱槽、９Ａ……温室。
The drawings show an embodiment of the greenhouse air conditioning heat pump according to the present invention, in which FIG. 1 is an overall configuration diagram showing a heating state, FIG. 2 is an overall configuration diagram showing a cooling state, and FIG. 3 is an overall configuration diagram showing a cooling/heating state. 4 is an overall configuration diagram showing a dehumidifying state, FIG. 5 is a flowchart of operation on the heat pump side, and FIG. 6 is a flowchart of operation on the greenhouse side. 5, 6... Heat storage tank, 9A... Greenhouse.
Claims (1)
暖房用熱交換媒体循環経路内に複数個の蓄熱槽
５，６を設け、各蓄熱槽５，６を、冷却水循環経
路を形成する冷水貯蔵状態、及び、温水循環経路
を形成する温水貯蔵状態とに独立して切換可能に
構成するとともに、各温室９Ａ……を個別に冷房
状態、暖房状態及び除湿状態に切換可能に構成し
てある温室用空調ヒートポンプ。1. A cold water storage state in which a plurality of heat storage tanks 5 and 6 are provided in a circulation path of a heat exchange medium for cooling and heating between a heat pump and a plurality of greenhouses 9A, and each heat storage tank 5 and 6 forms a cooling water circulation path, and a greenhouse air conditioner configured to be able to switch independently between the hot water storage state that forms the hot water circulation path, and to enable each greenhouse 9A to be individually switched to a cooling state, a heating state, and a dehumidifying state. heat pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15088185A JPS6213942A (en) | 1985-07-09 | 1985-07-09 | Air conditioning heat pump for greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15088185A JPS6213942A (en) | 1985-07-09 | 1985-07-09 | Air conditioning heat pump for greenhouse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6213942A JPS6213942A (en) | 1987-01-22 |
| JPH0454855B2 true JPH0454855B2 (en) | 1992-09-01 |
Family
ID=15506420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15088185A Granted JPS6213942A (en) | 1985-07-09 | 1985-07-09 | Air conditioning heat pump for greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6213942A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003834B (en) * | 2010-11-23 | 2013-01-09 | 扬州碧源空调设备有限公司 | Multifunctional air source hot water and air conditioning heat pump unit |
| CN110547130A (en) * | 2019-08-28 | 2019-12-10 | 北京农业智能装备技术研究中心 | Heat storage and temperature compensation system and method for greenhouse |
-
1985
- 1985-07-09 JP JP15088185A patent/JPS6213942A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6213942A (en) | 1987-01-22 |
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