JPH0760033B2 - Air conditioner - Google Patents
Air conditionerInfo
- Publication number
- JPH0760033B2 JPH0760033B2 JP63152218A JP15221888A JPH0760033B2 JP H0760033 B2 JPH0760033 B2 JP H0760033B2 JP 63152218 A JP63152218 A JP 63152218A JP 15221888 A JP15221888 A JP 15221888A JP H0760033 B2 JPH0760033 B2 JP H0760033B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- heating
- cooling
- supply path
- heat exchanger
- 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
Links
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、燃料電池による電力供給、及び、空調設備に
よる冷暖房と除湿を、合理的にシステム化してエネルギ
ー効率良好に実現でき、集合住宅や地域を対象にした電
力供給と空調に殊に有効な冷暖房装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention can reasonably systematize power supply by a fuel cell and cooling / heating and dehumidification by an air conditioning facility to achieve good energy efficiency. The present invention relates to an air conditioning system particularly effective for power supply and air conditioning for a region.
従来、燃料電池と空調設備を合理的にシステム化した設
備は無かった。Conventionally, there has been no facility that systematically rationalizes the fuel cell and the air conditioning facility.
しかし、近年、集合住宅や地域などを対象にした燃料電
池による電力供給が、送電に伴う経費や電力ロス等の面
で有利なために注目されており、他方、集合住宅や地域
などを対象にした集中式の空調が設備の経費やメンテナ
ンス等の面で有利なために注目されており、したがっ
て、燃料電池と空調設備を合理的にシステム化したエネ
ルギー効率良好な冷暖房装置が強く望まれている。However, in recent years, attention has been paid to the power supply by fuel cells for collective housing and regions because it is advantageous in terms of expenses and power loss accompanying power transmission, while on the other hand, targeting collective housing and regions. The focused centralized air conditioning is attracting attention because it is advantageous in terms of equipment cost and maintenance. Therefore, there is a strong demand for an energy efficient cooling and heating system that is a rational system of fuel cells and air conditioning equipment. .
本発明は、上記要望に十分に応じられる冷暖房装置を提
供する点にある。The present invention is to provide a cooling and heating device that can sufficiently meet the above-mentioned demand.
本発明の特徴構成は、吸収式冷房機の発生器に、燃料電
池からの排熱回収用流体を加熱源として供給する熱源供
給路を接続し、室内機に冷房用及び暖房用熱交換器を、
室内への吹出風路において冷房用熱交換器の下流側に暖
房用熱交換器が位置する状態で設け、前記吸収式冷房機
と前記冷房用熱交換器を冷媒供給路で接続し、前記燃料
電池と前記暖房用熱交換器を排熱回収用熱媒供給路で接
続し、前記熱源供給路及び排熱回収用熱媒供給路に、前
記熱源供給路のみを流通させる冷房状態、前記排熱回収
用熱媒供給路のみを流通させる暖房状態、前記熱源供給
路及び排熱回収用熱媒供給路の両方を流通させる除湿状
態を選択する流通状態切換手段を設けたことにあり、そ
の作用効果は次の通りである。A characteristic configuration of the present invention is that a heat source supply path for supplying a fluid for exhaust heat recovery from a fuel cell as a heating source is connected to a generator of an absorption type cooling machine, and a heat exchanger for cooling and heating is provided in an indoor unit. ,
Provided in a state in which the heating heat exchanger is located on the downstream side of the cooling heat exchanger in the blowout air path to the room, the absorption type cooling machine and the cooling heat exchanger are connected by a refrigerant supply path, and the fuel A cooling state in which only the heat source supply path is circulated in the heat source supply path and the exhaust heat recovery heat medium supply path by connecting the battery and the heating heat exchanger through the exhaust heat recovery heat transfer medium supply path, the exhaust heat There is a heating state in which only the recovery heat medium supply path is circulated, and a distribution state switching means for selecting a dehumidification state in which both the heat source supply path and the exhaust heat recovery heat medium supply path are distributed. Is as follows.
つまり、燃料電池において、ガス燃料の酸化に伴って大
量の熱が発生すると共に、未反応のガス燃料が排ガス中
に含まれることを有効利用し、燃料電池からの排熱回収
用流体を吸収式冷房機の発生器に加熱源として供給し、
冷房時及び除湿時に、燃料電池の排熱を有効利用してエ
ネルギー効率良好に吸収式冷房機を運転し、室内機の冷
房用熱交換器に吸収式冷房機からの冷媒を供給する。That is, in the fuel cell, a large amount of heat is generated along with the oxidation of the gas fuel, and the fact that the unreacted gas fuel is contained in the exhaust gas is effectively used to absorb the exhaust heat recovery fluid from the fuel cell. Supply to the generator of the air conditioner as a heat source,
During cooling and dehumidification, the exhaust heat of the fuel cell is effectively used to operate the absorption type cooling machine with good energy efficiency, and the refrigerant from the absorption type cooling machine is supplied to the cooling heat exchanger of the indoor unit.
また、暖房時及び除湿時に燃料電池からの排熱回収用熱
媒を室内機の暖房用熱交換器に供給し、吸収式冷房機を
暖房機に兼用するよりもエネルギー効率良好に暖房と除
湿を実行できる。In addition, during heating and dehumidification, the heat medium for recovering exhaust heat from the fuel cell is supplied to the heating heat exchanger of the indoor unit, and heating and dehumidification are performed with better energy efficiency than when the absorption type air conditioner is also used as a heater. I can do it.
さらに、除湿運転に際して、冷房用熱交換器に冷媒が、
かつ、暖房用熱交換器に熱媒が夫々供給されると共に、
室内への吹出風路において冷房用熱交換器が上流側にか
つ暖房用熱交換器が下流側に配置されているから、室内
からの空気が、先ず冷房用熱交換器による冷却で水分の
凝縮除去作用を受け、その後で暖房用熱交換器による加
熱作用でほぼ元の温度に戻され、室温を大きく変えるこ
と無く良好に室内空気が除湿される。Further, during the dehumidifying operation, the refrigerant in the cooling heat exchanger,
And, while the heating medium is supplied to the heating heat exchanger,
Since the cooling heat exchanger is arranged on the upstream side and the heating heat exchanger is arranged on the downstream side in the air blowing path to the room, the air from the room is first cooled by the cooling heat exchanger to condense water. After being subjected to the removal action, the temperature is returned to almost the original temperature by the heating action by the heating heat exchanger, and the indoor air is satisfactorily dehumidified without significantly changing the room temperature.
その上、燃料電池と吸収式冷房機及び暖房用熱交換器を
接続する熱源供給路及び排熱回収用熱媒供給路に、冷暖
房及び除湿切換えのための流通状態切換手段を設けてあ
るから、吸収式冷房機を暖房機に兼用して、吸収式冷房
機と室内機の間で熱運搬流路に設けた複雑な２個の四方
弁で切換えを行う場合よりも、流通状態切換手段を、簡
単な開閉弁やポンプの運転停止切換スイッチなどの利用
によって簡単で安価にできる。Furthermore, since the heat source supply path and the exhaust heat recovery heat medium supply path that connect the fuel cell and the absorption type air conditioner and the heating heat exchanger, the distribution state switching means for cooling and heating and dehumidification switching is provided. As compared with the case where the absorption-type air conditioner is also used as a heater and switching is performed between the absorption-type air conditioner and the indoor unit by two complicated four-way valves provided in the heat transfer passage, the flow state switching means is It can be made simple and inexpensive by using a simple on-off valve or a pump operation stop changeover switch.
その結果、燃料電池による電力供給と、燃料電池の排熱
を有効利用したエネルギー効率の良い冷暖房及び除湿が
可能であり、空調状態切換構成が簡単な、全体として、
集合住宅や地域などを単位とするに極めて優れた冷暖房
装置を提供できるようになった。As a result, power supply by the fuel cell and energy-efficient cooling and heating and dehumidification that effectively utilize the exhaust heat of the fuel cell are possible, and the air-conditioning state switching configuration is simple, as a whole,
It has become possible to provide an extremely excellent air conditioning system for an apartment or an area.
次に、第１図により実施例を示す。 Next, FIG. 1 shows an embodiment.
吸収式冷房機（１）の発生器（1a）に燃料電池（２）を
高温水循環用の熱源供給路（３）で接続し、燃料路
（４）からのガス燃料と給気路（５）からの酸化剤との
反応によって燃料電池（２）で生じた電力を需要先に供
給できるように構成し、燃料電池（２）の排ガス路
（７）に送られる排ガスの熱エネルギーにより排熱回収
用熱交換部（2a）で加熱した高温水を、発生器（1a）の
熱交換部に加熱源として熱源供給路（３）（３）により
供給できるように構成してある。A fuel cell (2) is connected to a generator (1a) of an absorption type air conditioner (1) through a heat source supply passage (3) for circulating high temperature water, and gas fuel from the fuel passage (4) and an air supply passage (5) are connected. It is configured so that the electric power generated in the fuel cell (2) by the reaction with the oxidant from the fuel cell can be supplied to the demand destination, and the exhaust heat is recovered by the thermal energy of the exhaust gas sent to the exhaust gas passage (7) of the fuel cell (2). The high-temperature water heated by the heat exchange section (2a) can be supplied to the heat exchange section of the generator (1a) as a heating source by the heat source supply paths (3) and (3).
ガス燃料は例えば水素，メタノール，炭化水素などであ
り、酸化剤は例えば空気，酸素などである。The gas fuel is, for example, hydrogen, methanol, hydrocarbon or the like, and the oxidant is, for example, air or oxygen.
排熱回収用熱交換部（2a）を、高温の反応生成ガス中に
含まれる残存ガス燃料を後燃焼させて得た高温排ガスで
水を加熱するように形成してある。The heat exchange part (2a) for recovering exhaust heat is formed so as to heat water with the high temperature exhaust gas obtained by post-combusting the residual gas fuel contained in the high temperature reaction product gas.
室内機（８）に冷房用熱交換器（8a）と暖房用熱交換器
（8b）を設け、ファン（8c）による室内への吹出風路に
おいて冷房用熱交換器（8a）の下流側に暖房用熱交換器
（8b）を配置してある。The indoor heat exchanger (8a) and the heating heat exchanger (8b) are provided in the indoor unit (8), and the fan (8c) blows the air into the room to the downstream side of the cooling heat exchanger (8a). The heat exchanger (8b) for heating is arranged.
吸収式冷房機（１）の蒸発器（1b）と冷房用熱交換器
（8a）を、蒸発器（1b）で冷却された冷水を循環させる
冷媒供給路（９）で接続し、熱源供給路（３）と暖房用
熱交換器（8b）を、燃料電池（２）からの高温水を循環
させる排熱回収用熱媒供給路（10）で接続してある。The evaporator (1b) of the absorption type air conditioner (1) and the cooling heat exchanger (8a) are connected by a refrigerant supply path (9) for circulating the cold water cooled by the evaporator (1b), and a heat source supply path. (3) and the heating heat exchanger (8b) are connected to each other through an exhaust heat recovery heat medium supply passage (10) for circulating high-temperature water from the fuel cell (2).
熱源供給路（３）のうち排熱回収用熱媒供給路（10）の
接続箇所よりも吸収式冷房機（１）側に、一対の第１開
閉弁（V1）を往路部分と復路部分に振分けて設け、一対
の第２開閉弁（V2）を排熱回収用熱媒供給路（10）の往
路部分と復路部分に振分けて設けてある。In the heat source supply path (3), a pair of first on-off valves (V 1 ) are provided on the forward path and the return path on the side of the absorption type air conditioner (1) with respect to the connection point of the heat recovery heat medium supply path (10). And a pair of second on-off valves (V 2 ) are provided to the forward path and the return path of the heat recovery heat medium supply path (10).
第１開閉弁（V1）、第２開閉弁（V2）、及び、冷媒供給
路（９）のポンプ（P2）を操作する空調状態切換操作部
（11）を設けて、下記（イ）ないし（ハ）項の運転状態
を選択できるように構成してある。An air conditioning state switching operation section (11) for operating the first opening / closing valve (V 1 ), the second opening / closing valve (V 2 ) and the pump (P 2 ) of the refrigerant supply path (9) is provided, and ) To (C), the operating states can be selected.
（イ）冷房運転 第１開閉弁（V1）を開き、第２開閉弁（V2）を閉じ、ポ
ンプ（P2）を作動させて、燃料電池（２）の排熱を熱源
として吸収式冷房機（１）を運転し、冷房用熱交換器
（8a）で室内空気を冷却する。(B) Cooling operation The first on-off valve (V 1 ) is opened, the second on-off valve (V 2 ) is closed, the pump (P 2 ) is operated, and the exhaust heat of the fuel cell (2) is used as a heat source for absorption type. The air conditioner (1) is operated, and the indoor air is cooled by the heat exchanger (8a) for cooling.
（ロ）暖房運転 第１開閉弁（V1）を閉じ、第２開閉弁（V2）を開き、ポ
ンプ（P2）を停止し、燃料電池（２）の排熱で高温にし
た熱媒を暖房用熱交換器（8b）に直接的に供給し、暖房
用熱交換器（8b）で室内空気を加熱する。(B) Heating operation The first on-off valve (V 1 ) is closed, the second on-off valve (V 2 ) is opened, the pump (P 2 ) is stopped, and the heat medium is heated to a high temperature by the exhaust heat of the fuel cell (2). Is directly supplied to the heat exchanger (8b) for heating, and the heat exchanger (8b) for heating heats indoor air.
（ハ）除湿運転 第１開閉弁（V1）及び第２開閉弁（V2）を夫々適度な設
定開度で開き、ポンプ（P2）を運転し、室内空気を先ず
冷房用熱交換器（8a）で冷却して、室内空気中の水分を
凝縮させて除去し、その冷却された室内空気を暖房用熱
交換器（8b）でほぼ室温に加熱し、室温をほとんど変え
ずに室内を除湿する。(C) Dehumidifying operation Open the first on-off valve (V 1 ) and the second on-off valve (V 2 ) at appropriate set opening degrees, operate the pump (P 2 ), and first remove room air from the heat exchanger for cooling. Water is cooled in (8a) to condense and remove water in the room air, and the cooled room air is heated to almost room temperature in the heat exchanger (8b) for heating, and the room temperature is kept almost unchanged. Dehumidify.
次に別実施例を説明する。 Next, another embodiment will be described.
燃料電池（２）から吸収式冷房機（１）に加熱源を供給
するに、例えば排ガスを発生器（1a）の熱交換部に供給
したり、発生器（1a）の加熱用バーナに燃料として供給
したり、その他適当な流体を利用でき、それら流体を排
熱回収用流体と総称する。To supply a heat source from the fuel cell (2) to the absorption air conditioner (1), for example, exhaust gas is supplied to the heat exchange section of the generator (1a), or as a fuel for the heating burner of the generator (1a). It is possible to supply or to use other suitable fluids, and these fluids are collectively referred to as waste heat recovery fluid.
燃料電池（２）から室内機（８）の暖房用熱交換器（8
b）に供給する排熱回収用熱媒は、排ガス、その他適当
な流体でもよい。From the fuel cell (2) to the heating heat exchanger (8) for the indoor unit (8)
The heat medium for recovering exhaust heat supplied to b) may be exhaust gas or other suitable fluid.
吸収式冷房機（１）に供給する排熱回収用流体と、室内
機（８）に供給する排熱回収用熱媒を別種にし、第２図
に示すように熱源供給路（３）と排熱回収用熱媒供給路
（10）を夫々独立系に形成し、２個の排熱回収用熱交換
部（2a）を燃料電池（２）に設けてもよい。The exhaust heat recovery fluid supplied to the absorption type air conditioner (1) and the exhaust heat recovery heat medium supplied to the indoor unit (8) are different types, and as shown in FIG. The heat recovery heat medium supply path (10) may be formed as an independent system, and two exhaust heat recovery heat exchange sections (2a) may be provided in the fuel cell (2).
冷暖房及び除湿運転を選択するに、例えば、利用する弁
の構造や設置数や配置などを適当に変更したり、第２図
に示すように弁を無くしてポンプ（P1），（P2），
（P3）の運転停止切換だけで実行できるように構成した
り、その他適当な構成を利用でき、それらを流通状態切
換手段と総称する。To select the cooling / heating and dehumidifying operation, for example, appropriately change the structure of the valves to be used, the number of installations, the arrangement, etc., or remove the valves as shown in Fig. 2 to remove the pumps (P 1 ), (P 2 ) ，
(P 3 ) can be configured to be executed only by switching the operation stop, or other suitable configurations can be used, and these are collectively referred to as distribution state switching means.
燃料電池（２）、吸収式冷房機（１）、室内機（８）の
型式や構造などは適宜選定できる。The types and structures of the fuel cell (2), the absorption type air conditioner (1), and the indoor unit (8) can be appropriately selected.
第１図は本発明の実施例を示す概念図、第２図は本発明
の別実施例を示す概念図である。 （１）…吸収式冷房機、（1a）…発生器、（２）…燃料
電池、（３）…熱源供給路、（８）…室内機、（8a）…
冷房用熱交換器、（8b）…暖房用熱交換器、（９）…冷
媒供給路、（10）…排熱回収用熱媒供給路。FIG. 1 is a conceptual diagram showing an embodiment of the present invention, and FIG. 2 is a conceptual diagram showing another embodiment of the present invention. (1) ... Absorption type air conditioner, (1a) ... Generator, (2) ... Fuel cell, (3) ... Heat source supply path, (8) ... Indoor unit, (8a) ...
Heat exchanger for cooling, (8b) ... Heat exchanger for heating, (9) ... Refrigerant supply path, (10) ... Heat medium supply path for exhaust heat recovery.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 新井 保孝 大阪府大阪市東区平野町５丁目１番地 大 阪瓦斯株式会社内 審査官 清水 富夫 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasutaka Arai 5-1, Hirano-cho, Higashi-ku, Osaka-shi, Osaka Prefecture Osaka Osaka Gas Co., Ltd. Examiner Tomio Shimizu
Claims (1)
料電池（２）からの排熱回収用流体を加熱源として供給
する熱源供給路（３）を接続し、室内機（８）に冷房用
及び暖房用熱交換器（8a），（8b）を、室内への吹出風
路において冷房用熱交換器（8a）の下流側に暖房用熱交
換器（8b）が位置する状態で設け、前記吸収式冷房機
（１）と前記冷房用熱交換器（8a）を冷媒供給路（９）
で接続し、前記燃料電池（２）と前記暖房用熱交換器
（8b）を排熱回収用熱媒供給路（10）で接続し、前記熱
源供給路（３）及び排熱回収用熱媒供給路（10）に、前
記熱源供給路（３）のみを流通させる冷房状態、前記排
熱回収用熱媒供給路（10）のみを流通させる暖房状態、
前記熱源供給路（３）及び排熱回収用熱媒供給路（10）
の両方を流通させる除湿状態を選択する流通状態切換手
段を設けてある冷暖房装置。1. An indoor unit in which a heat source supply path (3) for supplying the exhaust heat recovery fluid from a fuel cell (2) as a heating source is connected to a generator (1a) of an absorption type air conditioner (1). The cooling and heating heat exchangers (8a) and (8b) are located at (8), and the heating heat exchanger (8b) is located on the downstream side of the cooling heat exchanger (8a) in the indoor air duct. The absorption type air conditioner (1) and the cooling heat exchanger (8a) are installed in a state in which the refrigerant supply path (9) is provided.
And the fuel cell (2) and the heat exchanger (8b) for heating are connected by a heat medium supply path (10) for recovering exhaust heat, and the heat source supply path (3) and the heat medium for recovering exhaust heat are connected. A cooling state in which only the heat source supply channel (3) is circulated in the supply channel (10), and a heating state in which only the exhaust heat recovery heat medium supply channel (10) is circulated,
The heat source supply path (3) and the exhaust heat recovery heat medium supply path (10)
A cooling / heating device provided with a distribution state switching means for selecting a dehumidifying state in which both of the above are distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63152218A JPH0760033B2 (en) | 1988-06-22 | 1988-06-22 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63152218A JPH0760033B2 (en) | 1988-06-22 | 1988-06-22 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH024180A JPH024180A (en) | 1990-01-09 |
| JPH0760033B2 true JPH0760033B2 (en) | 1995-06-28 |
Family
ID=15535661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63152218A Expired - Lifetime JPH0760033B2 (en) | 1988-06-22 | 1988-06-22 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0760033B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04176779A (en) * | 1990-11-08 | 1992-06-24 | Toyota Motor Corp | Electric control device for four-wheel steering vehicle |
| JP2002147890A (en) * | 2000-11-14 | 2002-05-22 | Ishikawajima Harima Heavy Ind Co Ltd | Air-conditioning method and air conditioner |
-
1988
- 1988-06-22 JP JP63152218A patent/JPH0760033B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH024180A (en) | 1990-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |