JP3485181B2 - Air-cooled heat pump type external controller for agricultural industry - Google Patents

Air-cooled heat pump type external controller for agricultural industry

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Publication number
JP3485181B2
JP3485181B2 JP2001068173A JP2001068173A JP3485181B2 JP 3485181 B2 JP3485181 B2 JP 3485181B2 JP 2001068173 A JP2001068173 A JP 2001068173A JP 2001068173 A JP2001068173 A JP 2001068173A JP 3485181 B2 JP3485181 B2 JP 3485181B2
Authority
JP
Japan
Prior art keywords
air
condenser
evaporator
exhaust
side condenser
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
Application number
JP2001068173A
Other languages
Japanese (ja)
Other versions
JP2002267283A (en
Inventor
恵一 木村
多門 清滝
Original Assignee
木村工機株式会社
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Filing date
Publication date
Application filed by 木村工機株式会社 filed Critical 木村工機株式会社
Priority to JP2001068173A priority Critical patent/JP3485181B2/en
Publication of JP2002267283A publication Critical patent/JP2002267283A/en
Application granted granted Critical
Publication of JP3485181B2 publication Critical patent/JP3485181B2/en
Anticipated expiration legal-status Critical
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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は空冷ヒートポンプ式
農産業用外調機に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air-cooled heat pump type air conditioner for agricultural industry.

【0002】[0002]

【従来の技術】従来、冷温水を利用する農産業用外気処
理空調機では、冷温水用熱源や全熱交換器などが必要で
あった。
2. Description of the Related Art Conventionally, an outdoor air treatment air conditioner for agricultural industry that uses cold and hot water has required a heat source for cold and hot water and a total heat exchanger.

【0003】[0003]

【発明が解決しようとする課題】そのため、嵩高となり
据付場所に限界があり、また、温室などでは季節に関係
なく給気を所定温度で多湿に維持するために、温水ボイ
ラや加湿水スプレーなど高価な設備が必要であった。そ
こで、これらの問題点を解決する空冷ヒートポンプ式農
産業用外調機を提供することを目的とする。
Therefore, it is bulky and has a limited installation site. Also, in a greenhouse or the like, in order to maintain the supply air at a predetermined temperature and high humidity regardless of the season, a hot water boiler or a humidifying water spray is expensive. Equipment was needed. Therefore, it is an object of the present invention to provide an air-cooled heat pump type outdoor conditioner for agricultural industry that solves these problems.

【0004】[0004]

【課題を解決するための手段】上記目的を達成するため
に、本発明の空冷ヒートポンプ式農産業用外調機は、ケ
ーシングに給気送風路と排気送風路を備え、給気送風路
に外気が通風される給気側凝縮器、加湿器及び蒸発器を
送風方向へ順に配設すると共に、排気送風路に排気が通
風される排気側凝縮器を設け、給気側凝縮器と排気側凝
縮器と蒸発器を冷媒が循環し個別に冷媒の流量制御自在
かつ凝縮・蒸発切換自在な冷凍回路を、備えた。さら
に、冷凍回路を、給気側凝縮器及び排気側凝縮器にて冷
媒凝縮かつ蒸発器にて冷媒蒸発させるサイクルと、給気
側凝縮器にて冷媒凝縮かつ蒸発器及び排気側凝縮器にて
冷媒蒸発させるサイクルと、に切換自在に構成した。さ
らに、ケーシングを、給気用送風機と排気用送風機を有
する送風ブロックと、給気側凝縮器、蒸発器、排気側凝
縮器及び圧縮機を有する冷凍ブロックと、に分離・接続
自在に構成した。さらに、給気側凝縮器を、第一の給気
側凝縮器と第二の給気側凝縮器に分割した。さらに、排
気側凝縮器を、第一の排気側凝縮器と第二の排気側凝縮
器に分割した。さらに、蒸発器を風上側分割蒸発器と風
下側分割蒸発器に分割し、風上側分割蒸発器と第一の圧
縮機を備えた第一冷凍回路を構成し、風下側分割蒸発器
と第二の圧縮機を備えた第二冷凍回路を構成した。さら
に、2つの圧縮機の能力比を4:6に設定した。さら
に、排気側凝縮器の面風速を4.0〜6.0m/sに設
定した。さらに、給気側凝縮器と排気側凝縮器と蒸発器
のフィンチューブを楕円管にした。
In order to achieve the above object, an air-cooled heat pump type external air conditioner for agriculture according to the present invention comprises a casing provided with an air supply air duct and an exhaust air duct, and the air supply air duct has an outside air atmosphere. The air supply side condenser, the humidifier, and the evaporator, which are ventilated, are sequentially arranged in the air blowing direction, and the exhaust side air passage is provided with an exhaust side condenser that allows the exhaust air to be ventilated. A refrigeration circuit in which the refrigerant circulates through the evaporator and the evaporator, and the flow rate of the refrigerant can be individually controlled and condensation / evaporation can be switched is provided. Furthermore, in the refrigeration circuit, a cycle in which the refrigerant is condensed in the air supply side condenser and the exhaust side condenser and the refrigerant is evaporated in the evaporator, and the cycle in which the refrigerant is condensed in the air supply side condenser and the evaporator and the exhaust side condenser are It can be switched between a refrigerant vaporization cycle and a cycle. Further, the casing is configured to be separable and connectable to a blower block having an air supply blower and an exhaust blower, and a refrigeration block having an air supply side condenser, an evaporator, an exhaust side condenser, and a compressor. Further, the air supply side condenser was divided into a first air supply side condenser and a second air supply side condenser. Further, the exhaust side condenser was divided into a first exhaust side condenser and a second exhaust side condenser. Further, the evaporator is divided into a windward side divided evaporator and a leeward side divided evaporator, and a first refrigeration circuit provided with the windward side divided evaporator and the first compressor is constituted. The second refrigeration circuit equipped with the compressor was constructed. Further, the capacity ratio of the two compressors was set to 4: 6. Further, the surface wind speed of the exhaust side condenser was set to 4.0 to 6.0 m / s. Furthermore, the fin tubes of the intake side condenser, the exhaust side condenser, and the evaporator are elliptical tubes.

【0005】[0005]

【発明の実施の形態】図1は、本発明の空冷ヒートポン
プ式農産業用外気処理空調機(以下外調機と略す)の一
実施例を示しており、実線及び点線の白抜き矢印は送風
方向を示す。この外調機は、ケーシング1に給気送風路
Aと排気送風路Bを備え、給気送風路Aに外気が通風さ
れる給気側凝縮器2、加湿器4及び蒸発器5を送風方向
へ順に配設すると共に、排気送風路Bに排気が通風され
る排気側凝縮器6を設け、給気側凝縮器2と排気側凝縮
器6と蒸発器5を冷媒が循環し個別に冷媒の流量制御自
在かつ凝縮・蒸発切換自在な冷凍回路を、備えている。
冷凍回路は、給気側凝縮器2、蒸発器5、排気側凝縮器
6、圧縮機11、受液器、膨張弁、切換弁等から成り、
給気側凝縮器2及び排気側凝縮器6にて冷媒凝縮かつ蒸
発器5にて冷媒蒸発させるサイクルと、給気側凝縮器2
にて冷媒凝縮かつ蒸発器5及び排気側凝縮器6にて冷媒
蒸発させるサイクルと、に切換自在で、冷媒凝縮温度と
冷媒蒸発温度の差が少なくなるように給気側凝縮器2と
排気側凝縮器6の流量比及び蒸発器5と排気側凝縮器6
の流量比を制御自在に構成する。もちろん、これ以外の
サイクルに切換自在とするも自由である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of an air-cooled heat pump type outside air processing air conditioner for agricultural industry (hereinafter abbreviated as an external air conditioner) according to the present invention. Indicates the direction. In this external air conditioner, a casing 1 is provided with an air supply air passage A and an exhaust air passage B, and an air supply side condenser 2, a humidifier 4, and an evaporator 5 in which the outside air is ventilated through the air supply air passage A are sent in a blowing direction. And the exhaust side condenser 6 through which the exhaust gas is ventilated, and the refrigerant circulates through the supply side condenser 2, the exhaust side condenser 6 and the evaporator 5 to separately supply the refrigerant. Equipped with a refrigeration circuit with controllable flow rate and condensing / evaporation switching.
The refrigeration circuit is composed of a supply-side condenser 2, an evaporator 5, an exhaust-side condenser 6, a compressor 11, a liquid receiver, an expansion valve, a switching valve, and the like.
A cycle in which the supply side condenser 2 and the exhaust side condenser 6 condense the refrigerant and the evaporator 5 evaporates the refrigerant, and the supply side condenser 2
It is possible to switch between the cycle in which the refrigerant is condensed and the refrigerant is evaporated in the evaporator 5 and the exhaust side condenser 6, and it is possible to reduce the difference between the refrigerant condensation temperature and the refrigerant evaporation temperature. Flow rate ratio of condenser 6 and evaporator 5 and exhaust side condenser 6
The flow rate ratio is controlled. Of course, it is also possible to freely switch to a cycle other than this.

【0006】ケーシング1には、給気送風路Aの出入口
に連通する給気口14及び外気取入口15と、排気送風
路Bの出入口に連通する排気口16及び排気取入口17
と、を夫々形成し、ケーシング1を、給気用送風機8と
排気用送風機9を有する送風ブロック10と、給気側凝
縮器2、蒸発器5、排気側凝縮器6及び圧縮機11を有
する冷凍ブロック12と、に分離・接続自在に構成す
る。排気取入口17はダクトや吸込口等を介して屋内と
連通連結し、給気口14はダクトや吹出口等を介して屋
内と連通連結する。給気送風路Aと排気送風路Bは並列
に隣接させて送風方向が同じになるように構成し、ダク
ト施工を容易にするのがよいが、排気送風路Bは逆であ
ってもよい。
In the casing 1, an air supply port 14 and an outside air intake port 15 communicating with an inlet / outlet port of the air supply air blowing passage A, and an exhaust port 16 and an exhaust air intake port 17 communicating with an inlet / outlet port of the exhaust air blowing passage B.
And a casing 1 having a blower block 10 having an air supply blower 8 and an exhaust air blower 9, an air supply side condenser 2, an evaporator 5, an exhaust side condenser 6 and a compressor 11. The refrigerating block 12 can be separated and connected. The exhaust air intake port 17 is communicatively connected to the interior through a duct or a suction port, and the air supply port 14 is communicatively connected to the interior through a duct or a blowout port. The air supply air duct A and the exhaust air duct B are preferably arranged adjacent to each other in parallel so that the air blowing directions are the same so as to facilitate duct construction, but the exhaust air duct B may be reversed.

【0007】給気側凝縮器2は、第一の給気側凝縮器2
aと第二の給気側凝縮器2bに分割し、排気側凝縮器6
は、第一の排気側凝縮器6aと第二の排気側凝縮器6b
に分割し、蒸発器5は風上側分割蒸発器5aと風下側分
割蒸発器5bに分割し、風上側分割蒸発器5aと第一の
圧縮機11を備えた第一冷凍回路を構成し、風下側分割
蒸発器5bと第二の圧縮機11を備えた第二冷凍回路を
構成する。2つの圧縮機11、11の能力比は4:6に
設定する。蒸発器5及び凝縮器2、3の面風速は3.5
〜4.0m/sに設定し、排気側凝縮器6の面風速を
4.0〜6.0m/sに設定するのが最適であるが、こ
れ以外の範囲であってもよい。給気側凝縮器2と排気側
凝縮器6と蒸発器5のフィンチューブ13を楕円管(図
2参照)にするのが好ましいが円形管でもよい。
The air supply side condenser 2 is the first air supply side condenser 2
a and a second air supply side condenser 2b, and an exhaust side condenser 6
Is a first exhaust side condenser 6a and a second exhaust side condenser 6b.
And the evaporator 5 is divided into a windward side divided evaporator 5a and a leeward side divided evaporator 5b to form a first refrigeration circuit including the windward side divided evaporator 5a and the first compressor 11, A second refrigeration circuit including the side division evaporator 5b and the second compressor 11 is configured. The capacity ratio of the two compressors 11 and 11 is set to 4: 6. The surface wind speed of the evaporator 5 and the condensers 2 and 3 is 3.5.
It is optimal to set the surface wind speed of the exhaust side condenser 6 to 4.0 to 6.0 m / s, but it may be set to a range other than this. The fin tubes 13 of the intake side condenser 2, the exhaust side condenser 6 and the evaporator 5 are preferably elliptical tubes (see FIG. 2), but circular tubes may be used.

【0008】この外調機では、温室などのように外気の
温湿度に関係なく定温で多湿の給気(外気処理空気)が必
要な場合に最適で、例えば、外気取入口15から取入れ
た外気を、給気側凝縮器2で加熱(循環冷媒放熱)して
から加湿器4で加湿し、その後、蒸発器5で冷却(循環
冷媒吸熱)して所定の温湿度に外気処理をして給気口7
から屋内へ給気し、同時に排気取入口17から取入れた
屋内からの排気(還気)を排気側凝縮器6にて排気熱を
回収(循環冷媒放熱又は循環冷媒吸熱)して排気口16
から屋外へ排気する。たとえば、給気をDB=20℃、
RH=95%にする場合、生外気のままでは(たとえば
冬季でDB=0℃、RH=30%、夏季でDB=33
℃、RH=60%)RH=95%まで加湿困難となる。
そのため生外気をDB=40℃まで加熱して相対湿度を
下げて加湿効率を上げてから加湿してRH=65%に
し、その後、その加湿空気をDB=20℃まで冷却して
RH=95%にすることができる。このとき給気側凝縮
器2及び排気側凝縮器6にて冷媒凝縮かつ蒸発器5にて
冷媒蒸発するサイクルとし、給気側凝縮器2と排気側凝
縮器6の冷媒流量比を変えて、外気の温度が高い場合
は、給気側凝縮器2での冷媒凝縮を少なくし排気側凝縮
器6の冷媒凝縮を相対的に多くして排熱回収する。逆に
外気の温度が低い場合は、給気側凝縮器2での冷媒凝縮
を多くし排気側凝縮器6の冷媒凝縮を相対的に少なくし
て排熱回収する。また、中間期などでは、給気側凝縮器
2にて冷媒凝縮かつ蒸発器5及び排気側凝縮器6にて冷
媒蒸発するサイクルとし、蒸発器5と排気側凝縮器6の
冷媒流量比を変えて、排気側凝縮器6で排熱回収する。
このように、必要な温度調整と加湿と(全熱交換器の如
く)熱回収が同時に行えて省エネ効果が大となる。
This external air conditioner is most suitable when a constant temperature and high humidity supply air (outside air treated air) is required regardless of the temperature and humidity of the outside air, such as in a greenhouse, and, for example, the outside air taken in from the outside air intake port 15. Is heated by the air supply side condenser 2 (circulating refrigerant heat radiation), then humidified by the humidifier 4, and then cooled by the evaporator 5 (circulating refrigerant heat absorption) and treated with outside air to a predetermined temperature and humidity and supplied. Mouth 7
The indoor exhaust air (return air) taken in from the exhaust air intake port 17 at the same time, and the exhaust side condenser 6 recovers exhaust heat (circulating refrigerant heat dissipation or circulating refrigerant heat absorption) to exhaust the exhaust air 16
Exhaust from outside. For example, supply air DB = 20 ℃,
When RH = 95%, fresh air is used (for example, DB = 0 ° C. in winter, RH = 30%, DB = 33 in summer).
(° C, RH = 60%) It becomes difficult to humidify up to RH = 95%.
Therefore, the fresh air is heated to DB = 40 ° C. to lower the relative humidity to increase the humidification efficiency and then humidified to RH = 65%, and then the humidified air is cooled to DB = 20 ° C. to RH = 95%. Can be At this time, the cycle is such that the refrigerant is condensed in the air supply side condenser 2 and the exhaust side condenser 6 and the refrigerant is evaporated in the evaporator 5, and the refrigerant flow rate ratio between the air supply side condenser 2 and the exhaust side condenser 6 is changed, When the temperature of the outside air is high, the refrigerant condensation in the air supply side condenser 2 is reduced and the refrigerant condensation in the exhaust side condenser 6 is relatively increased to recover the exhaust heat. On the contrary, when the temperature of the outside air is low, the refrigerant condensation in the air supply side condenser 2 is increased and the refrigerant condensation in the exhaust side condenser 6 is relatively decreased to recover the exhaust heat. In the middle period, the refrigerant is condensed in the air supply side condenser 2 and evaporated in the evaporator 5 and the exhaust side condenser 6, and the refrigerant flow rate ratio between the evaporator 5 and the exhaust side condenser 6 is changed. The exhaust heat is recovered by the exhaust side condenser 6.
In this way, the necessary temperature adjustment, humidification, and heat recovery (as in a total heat exchanger) can be performed at the same time, resulting in a large energy saving effect.

【0009】また、給気側凝縮器2を第一給気側凝縮器
2aと第二給気側凝縮器2bに分割し、排気側凝縮器6
を第一排気側凝縮器6aと第二排気側凝縮器6bに分割
してあるので、細かく所定の温湿度に外気処理できる。
さらに、蒸発器5を風上側分割蒸発器5aと風下側分割
蒸発器5bに分割してあるので、2つの分割蒸発器5
a、5b(2つの冷凍回路)の一方のみ又は両方を運転
するように適宜切り替えて容易に屋内給気温度を調整す
ることができる。蒸発器5と給気側凝縮器2と排気側凝
縮器6は流量調整弁などで冷媒流量制御するも自由であ
るが、切換弁などで第一給気側凝縮器2a、第二給気側
凝縮器2b、第一排気側凝縮器6a、第二排気側凝縮器
6b、風上側分割蒸発器5a及び風下側分割蒸発器5b
のうちから所定のものに選択的に冷媒循環するように経
路切換自在とすれば、冷媒流量制御が容易である。例え
ば、第一給気側凝縮器2a、第二給気側凝縮器2b、第
一排気側凝縮器6a、第二排気側凝縮器6b、風上側分
割蒸発器5a及び風下側分割蒸発器5bのうち第二給気
側凝縮器2bを除いて冷媒循環する経路や、第一給気側
凝縮器2aを除いて冷媒循環する経路、あるいは第一排
気側凝縮器6aを除いて冷媒循環する経路などに適宜切
換える。
Further, the air supply side condenser 2 is divided into a first air supply side condenser 2a and a second air supply side condenser 2b, and an exhaust air side condenser 6 is provided.
Since it is divided into the first exhaust side condenser 6a and the second exhaust side condenser 6b, the outside air can be finely treated to a predetermined temperature and humidity.
Further, since the evaporator 5 is divided into the windward side divided evaporator 5a and the leeward side divided evaporator 5b, the two divided evaporators 5
The indoor air supply temperature can be easily adjusted by appropriately switching to operate only one or both of a and 5b (two refrigeration circuits). The evaporator 5, the air supply side condenser 2, and the exhaust air side condenser 6 can freely control the refrigerant flow rate by a flow rate adjusting valve or the like, but a switching valve or the like can be used for the first air supply side condenser 2a and the second air supply side. The condenser 2b, the first exhaust side condenser 6a, the second exhaust side condenser 6b, the windward side division evaporator 5a, and the leeward side division evaporator 5b.
If the path can be switched so that the refrigerant is selectively circulated to a predetermined one of them, the refrigerant flow rate can be easily controlled. For example, the first air supply side condenser 2a, the second air supply side condenser 2b, the first exhaust side condenser 6a, the second exhaust side condenser 6b, the upwind side split evaporator 5a, and the downwind side split evaporator 5b. Of these, a route through which the refrigerant circulates except the second air supply side condenser 2b, a route through which the refrigerant circulates except the first air supply side condenser 2a, or a route through which the refrigerant circulates except the first exhaust side condenser 6a. Switch appropriately to.

【0010】なお、図示省略するが、前記実施例におい
て、第一給気側凝縮器2a、第二給気側凝縮器2b、第
一排気側凝縮器6a、第二排気側凝縮器6bの位置変更
は自由である。また、蒸発器5、給気側凝縮器2、排気
側凝縮器6を分割せずに1つとし、圧縮機11と冷凍回
路も1つとして外調機を構成してもよい。また、本外調
機は図例のように給気送風路Aと排気送風路Bが水平状
であって上下にある場合のみならず、水平状であって左
右にある場合、垂直状であって左右にある場合、などに
構成するも自由である。
Although not shown, the positions of the first air supply side condenser 2a, the second air supply side condenser 2b, the first exhaust side condenser 6a, and the second exhaust side condenser 6b in the above embodiment. Change is free. Further, the evaporator 5, the air supply-side condenser 2, and the exhaust-side condenser 6 may be integrated into one without dividing, and the compressor 11 and the refrigeration circuit may be integrated into one to constitute the external air conditioner. Further, the external air conditioner is not limited to the case where the air supply air duct A and the exhaust air duct B are horizontal and are located above and below as shown in the figure, but is also vertical when they are horizontal and located to the left and right. If it is on the left and right, you can freely configure it.

【0011】[0011]

【発明の効果】請求項1の発明では、加湿器と蒸発器と
凝縮器を備えた安価な外調機だけで、たとえば温室栽培
などの特殊な環境の外気処理に対応でき、このような農
業用だけでなく、工場などの産業用、ビルなどの居住空
間の一般的な外気処理にも幅広く対応できる。効率が良
く熱交換能力が高いので省エネを図れ、冷温水用熱源や
全熱交換器などが不要となり、外調機全体をコンパクト
化でき、設置スペースが少なくて済み、設備コスト及び
ランニングコストの低減を図れる。請求項2の発明で
は、冬季や夏季のみならず中間期などにも対応できて給
気温度調整が容易で、COPが向上する。請求項3の発
明では、各ブロックに分離することにより、製作や設置
場所への搬入が容易となり作業性の向上を図れる。冷媒
回収作業やメンテナンスを容易に行え、また、単一のブ
ロックだけ交換することにより、リニューアル時のコス
トダウンも図れる。請求項4と5の発明では、冷媒流量
を適宜変えることにより、効率を落とさずに一層精度良
く所定の温湿度に外気処理でき、省エネを図れる。請求
項6の発明では、任意の圧縮機を運転・停止させるだけ
で能力調整でき、制御が容易で、制御機構の簡素化を図
れ、故障が少なく、無駄の少ない省エネ運転を行える。
請求項7の発明では、外気の熱負荷に応じて無駄無く圧
縮機を運転しつつ蒸発器の能力調整ができて省エネ化を
図れる。請求項8の発明では、高風速で小型の凝縮器を
使用でき外調機をコンパクト化できる。請求項9の発明
では、高風速で使用しても圧力損失が増加せずかつ熱交
換能力も低下しないので小型の蒸発器と凝縮器を使用で
き外調機を大幅にコンパクト化できる。また、通常風速
では圧力損失が減少して熱交換効率が向上するので小型
の送風機を用いることができ騒音低減を図れる。
According to the first aspect of the present invention, it is possible to deal with the outside air treatment in a special environment such as greenhouse cultivation by using only an inexpensive outdoor air conditioner equipped with a humidifier, an evaporator and a condenser. Not only for industrial use but also for industrial use such as factories and general outside air treatment for living spaces such as buildings. High efficiency and high heat exchange capacity can save energy, eliminate the need for heat sources for cold and hot water, total heat exchangers, etc., make the entire external air conditioner compact, require less installation space, and reduce equipment costs and running costs. Can be achieved. According to the second aspect of the present invention, not only winter and summer, but also the intermediate period can be dealt with, the supply air temperature can be easily adjusted, and the COP can be improved. According to the third aspect of the present invention, by separating each block, it is easy to manufacture and carry it into the installation place, and workability can be improved. Refrigerant recovery work and maintenance can be performed easily, and the cost for renewal can be reduced by replacing only a single block. According to the inventions of claims 4 and 5, by appropriately changing the flow rate of the refrigerant, the outside air can be more accurately treated to a predetermined temperature and humidity without lowering the efficiency, and energy can be saved. According to the sixth aspect of the invention, the capacity can be adjusted simply by starting / stopping an arbitrary compressor, the control is easy, the control mechanism can be simplified, and the energy-saving operation can be performed with less trouble and less waste.
According to the invention of claim 7, the capacity of the evaporator can be adjusted while operating the compressor without waste according to the heat load of the outside air, and energy can be saved. According to the invention of claim 8, a small condenser can be used at high wind speed, and the external air conditioner can be made compact. According to the invention of claim 9, the pressure loss does not increase and the heat exchange capacity does not decrease even when used at a high wind speed, so that a small evaporator and condenser can be used and the external air conditioner can be made significantly compact. Further, since pressure loss is reduced at normal wind speed and heat exchange efficiency is improved, a small blower can be used and noise can be reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示す正面図である。FIG. 1 is a front view showing an embodiment of the present invention.

【図2】フィンチューブ群の断面図である。FIG. 2 is a cross-sectional view of a fin tube group.

【符号の説明】 1 ケーシング 2 給気側凝縮器 4 加湿器 5 蒸発器 6 排気側凝縮器 8 給気用送風機 9 排気用送風機 10 送風ブロック 11 圧縮機 12 冷凍ブロック 13 フィンチューブ A 給気送風路 B 排気送風路[Explanation of symbols] 1 casing 2 Air supply side condenser 4 humidifier 5 evaporator 6 Exhaust side condenser 8 Air blower for air supply 9 Exhaust blower 10 Blower block 11 compressor 12 Frozen block 13 fin tube A air supply air duct B Exhaust air duct

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開2000−81688(JP,A) 特開 平10−19399(JP,A) 特開 平7−294047(JP,A) 特開 平11−190561(JP,A) 特開 昭58−24764(JP,A) 特開 昭63−295880(JP,A) 特開 平2−225999(JP,A) 特開2000−320927(JP,A) 特開 昭61−191892(JP,A) 特開 平11−159819(JP,A) 実開 昭62−115021(JP,U) 実開 平5−90220(JP,U) 実開 昭62−50464(JP,U) 実開 平4−4633(JP,U) 特表2002−508829(JP,A) (58)調査した分野(Int.Cl.7,DB名) F25B 1/00 397 A01G 9/24 F24F 1/02 441 F24F 3/14 F25B 1/00 F25B 6/04 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP 2000-81688 (JP, A) JP 10-19399 (JP, A) JP 7-294047 (JP, A) JP 11-190561 (JP, A) JP 58-24764 (JP, A) JP 63-295880 (JP, A) JP 2-225999 (JP, A) JP 2000-320927 (JP, A) JP 61-191892 (JP, A) JP-A-11-159819 (JP, A) Actually opened 62-115021 (JP, U) Actually opened 5-90220 (JP, U) Actually opened 62-50464 (JP , U) Actual Kaihei 4-4633 (JP, U) Special Table 2002-508829 (JP, A) (58) Fields investigated (Int.Cl. 7 , DB name) F25B 1/00 397 A01G 9/24 F24F 1/02 441 F24F 3/14 F25B 1/00 F25B 6/04

Claims (9)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 ケーシング1に給気送風路Aと排気送風
路Bを備え、給気送風路Aに外気が通風される給気側凝
縮器2、加湿器4及び蒸発器5を送風方向へ順に配設す
ると共に、排気送風路Bに排気が通風される排気側凝縮
器6を設け、給気側凝縮器2と排気側凝縮器6と蒸発器
5を冷媒が循環し個別に冷媒の流量制御自在かつ凝縮・
蒸発切換自在な冷凍回路を、備えたことを特徴とする空
冷ヒートポンプ式農産業用外調機。
1. A casing 1 is provided with an air supply air passage A and an exhaust air passage B, and an air supply side condenser 2, a humidifier 4, and an evaporator 5 in which the outside air is ventilated through the air supply air passage A, in the air blowing direction. The exhaust side condenser 6 through which the exhaust gas is ventilated is provided in the exhaust air passage B, and the refrigerant circulates through the air supply side condenser 2, the exhaust side condenser 6 and the evaporator 5, and the flow rate of the refrigerant individually. Controllable and condensed
An air-cooled heat pump type external air conditioner for agriculture and industry, which is equipped with a refrigeration circuit that can switch evaporation.
【請求項2】 冷凍回路を、給気側凝縮器2及び排気側
凝縮器6にて冷媒凝縮かつ蒸発器5にて冷媒蒸発させる
サイクルと、給気側凝縮器2にて冷媒凝縮かつ蒸発器5
及び排気側凝縮器6にて冷媒蒸発させるサイクルと、に
切換自在に構成した請求項1記載の空冷ヒートポンプ式
農産業用外調機。
2. A cycle in which a refrigeration circuit condenses a refrigerant in a condenser 2 on an air supply side and a condenser 6 and evaporates a refrigerant on an evaporator 5 and a condenser and an evaporator on a supply air side 2. 5
2. The air-cooled heat pump type external air conditioner for agricultural industry according to claim 1, which is configured to be switchable between a cycle in which the refrigerant is evaporated in the exhaust side condenser 6 and a cycle in which the refrigerant is evaporated.
【請求項3】 ケーシング1を、給気用送風機8と排気
用送風機9を有する送風ブロック10と、給気側凝縮器
2、蒸発器5、排気側凝縮器6及び圧縮機11を有する
冷凍ブロック12と、に分離・接続自在に構成した請求
項1又は2記載の空冷ヒートポンプ式農産業用外調機。
3. A casing 1 is provided with a blower block 10 having a blower 8 for air supply and a blower 9 for exhaust, and a refrigeration block having a condenser 2 on the air supply side, an evaporator 5, an condenser 5 on the exhaust side and a compressor 11. The air-cooled heat pump type outdoor conditioner for agricultural industry according to claim 1 or 2, which is configured so as to be separable and connectable to and.
【請求項4】 給気側凝縮器2を、第一の給気側凝縮器
2aと第二の給気側凝縮器2bに分割した請求項1、2
又は3記載の空冷ヒートポンプ式農産業用外調機。
4. The air supply side condenser 2 is divided into a first air supply side condenser 2a and a second air supply side condenser 2b.
Alternatively, the air-cooled heat pump type outdoor conditioner for agricultural industry according to 3 above.
【請求項5】 排気側凝縮器6を、第一の排気側凝縮器
6aと第二の排気側凝縮器6bに分割した請求項1、
2、3又は4記載の空冷ヒートポンプ式農産業用外調
機。
5. The exhaust side condenser 6 is divided into a first exhaust side condenser 6a and a second exhaust side condenser 6b.
The air-cooled heat pump type outdoor conditioner for agricultural industry according to 2, 3 or 4.
【請求項6】 蒸発器5を風上側分割蒸発器5aと風下
側分割蒸発器5bに分割し、風上側分割蒸発器5aと第
一の圧縮機11を備えた第一冷凍回路を構成し、風下側
分割蒸発器5bと第二の圧縮機11を備えた第二冷凍回
路を構成した請求項1、2、3、4又は5記載の空冷ヒ
ートポンプ式農産業用外調機。
6. The evaporator 5 is divided into a windward side divided evaporator 5a and a leeward side divided evaporator 5b, and a first refrigerating circuit including a windward side divided evaporator 5a and a first compressor 11 is constituted, The air-cooled heat pump type external air conditioner for agricultural industry according to claim 1, 2, 3, 4 or 5, which constitutes a second refrigeration circuit including a leeward side divided evaporator 5b and a second compressor 11.
【請求項7】 2つの圧縮機11の能力比を4:6に設
定した請求項6記載の空冷ヒートポンプ式農産業用外調
機。
7. The air-cooled heat pump type outdoor conditioner for agricultural industry according to claim 6, wherein the capacity ratio of the two compressors 11 is set to 4: 6.
【請求項8】 排気側凝縮器6の面風速を4.0〜6.
0m/sに設定した請求項1、2、3、4、5、6又は
7記載の空冷ヒートポンプ式農産業用外調機。
8. The surface wind speed of the exhaust side condenser 6 is 4.0 to 6.
The air-cooled heat pump type outdoor conditioner for agricultural industry according to claim 1, 2, 3, 4, 5, 6 or 7, which is set to 0 m / s.
【請求項9】 給気側凝縮器2と排気側凝縮器6と蒸発
器5のフィンチューブ13を楕円管にした請求項1、
2、3、4、5、6、7又は8記載の空冷ヒートポンプ
式農産業用外調機。
9. The fin tube 13 of each of the intake side condenser 2, the exhaust side condenser 6 and the evaporator 5 is an elliptic tube.
The air-cooled heat pump type outdoor conditioner for agricultural industry according to 2, 3, 4, 5, 6, 7 or 8.
JP2001068173A 2001-03-12 2001-03-12 Air-cooled heat pump type external controller for agricultural industry Expired - Lifetime JP3485181B2 (en)

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CN103742997A (en) * 2014-01-09 2014-04-23 北京亚都环保科技有限公司 Household multifunctional dehumidifier
CN112128846A (en) * 2020-09-25 2020-12-25 中铁建电气化局集团南方工程有限公司 Tower-free air conditioning system for rail transit station and control method thereof

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