JPH0321827B2 - - Google Patents
Info
- Publication number
- JPH0321827B2 JPH0321827B2 JP6909782A JP6909782A JPH0321827B2 JP H0321827 B2 JPH0321827 B2 JP H0321827B2 JP 6909782 A JP6909782 A JP 6909782A JP 6909782 A JP6909782 A JP 6909782A JP H0321827 B2 JPH0321827 B2 JP H0321827B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- absorber
- condenser
- heat
- coolant
- 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
- 239000007788 liquid Substances 0.000 claims description 26
- 239000006096 absorbing agent Substances 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 239000002826 coolant Substances 0.000 description 19
- 239000003507 refrigerant Substances 0.000 description 11
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Description
【発明の詳細な説明】
本発明は吸収器および凝縮器からの熱を給湯に
利用する吸収式ヒートポンプ装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an absorption heat pump device that uses heat from an absorber and a condenser to supply hot water.
従来、吸収式ヒートポンプ装置としては第１図
に示すものがある。吸収器１から出た冷媒濃度の
高い溶液（以下濃液と記す）はポンプ２で発生器
３に送られ、ここで加熱されて冷媒蒸気を発生す
る。暖房の場合はこの冷媒蒸気を室内に送り放熱
させれば良いが、給湯に利用する場合は液タンク
４内に凝縮器５を配設し、ここで凝縮させて、液
タンク４内の液媒体を加熱する。凝縮した液冷媒
は膨張弁６を通り蒸発器７で蒸発し吸収器１に戻
る。一方、発生器３から出る冷媒濃度の低い溶液
（以下希液と記す）は、減圧弁８を経て吸収器１
に流入し、冷媒蒸気を吸収して濃液を再生する。
この時吸収熱を発生するので、すみやかに除去す
る必要があり、冷却液を水ポンプ９で循環させて
いる。吸収器から出た冷却液は昇温しているので
再度吸収器の冷却に使用する為にはどこかで放熱
しなければならない。吸収熱を利用しない場合は
空冷によつて外部放出する場合もあるが、給湯に
利用する場合は、第１図のように温水熱交換器１
０で熱交換させて、昇温した冷却液の温度降下を
図ると共に、市水１１の温度を上げている。ここ
で昇温した冷却液は液タンク４の上部入口１２り
入り、熱交換して温度が低下した後は下部出口１
３から水ポンプ９により循環するようになつてい
る。 Conventionally, there is an absorption heat pump device shown in FIG. 1. A solution with high refrigerant concentration (hereinafter referred to as concentrated liquid) coming out of the absorber 1 is sent by a pump 2 to a generator 3, where it is heated and generates refrigerant vapor. In the case of heating, this refrigerant vapor can be sent indoors for heat dissipation, but when used for hot water supply, a condenser 5 is installed in the liquid tank 4, where it is condensed and the liquid medium in the liquid tank 4 is heat up. The condensed liquid refrigerant passes through the expansion valve 6, evaporates in the evaporator 7, and returns to the absorber 1. On the other hand, a solution with a low refrigerant concentration (hereinafter referred to as dilute solution) coming out of the generator 3 passes through the pressure reducing valve 8 to the absorber 1.
The refrigerant vapor flows into the refrigerant and regenerates the concentrated liquid.
Since absorption heat is generated at this time, it is necessary to remove it promptly, and the cooling liquid is circulated by a water pump 9. Since the temperature of the coolant that comes out of the absorber has risen, the heat must be dissipated somewhere in order to be used again to cool the absorber. When the absorbed heat is not used, it may be released to the outside by air cooling, but when it is used for hot water supply, it is used in the hot water heat exchanger 1 as shown in Figure 1.
0 to lower the temperature of the coolant, which has risen in temperature, and raise the temperature of the city water 11. The coolant whose temperature has risen here enters the upper inlet 12 of the liquid tank 4, and after the temperature has decreased through heat exchange, it enters the lower outlet 12.
3, the water is circulated by a water pump 9.
いま、外気温が低く、市水１１の温度も低く長
期間使用していないような場合、液タンク４下部
の水温は低く、液タンク４下部に凝縮器５を設け
てあつても液タンク４下部の冷却液温は容易に上
昇しない。そのため吸収器１の冷却液温が低すぎ
る状態がじる。吸収器１の入口冷却液温が低すぎ
るとサイクルの低圧も下がり過ぎる。そうすると
必然的に吸収器１の最高温度も低下し吸収器出口
冷却液温も低下する。これは給湯の性質上、高い
温度を得たい目的とは反してはなはだ都合が悪
い。 If the outside temperature is low and the city water 11 is low and has not been used for a long time, the water temperature at the bottom of the liquid tank 4 will be low, and even if the condenser 5 is installed at the bottom of the liquid tank 4, the temperature of the city water 11 will be low. The temperature of the coolant at the bottom does not rise easily. Therefore, the temperature of the coolant in the absorber 1 may be too low. If the inlet coolant temperature of the absorber 1 is too low, the low pressure of the cycle will also be too low. If this happens, the maximum temperature of the absorber 1 will inevitably decrease, and the temperature of the coolant at the outlet of the absorber will also decrease. Due to the nature of hot water supply, this is extremely inconvenient as it goes against the goal of obtaining a high temperature.
本発明は上記従来技術の問題点に鑑み、凝縮熱
を利用して吸収器冷却液温低下の問題を解決する
ものである。以下にその詳細を実施例に従つて説
明する。 In view of the above-mentioned problems of the prior art, the present invention utilizes condensation heat to solve the problem of a decrease in absorber coolant temperature. The details will be explained below according to examples.
第２図は本発明の一実施例の要部を示すもので
り、液タンク１４内には主凝縮器１５と温水熱交
換器１６が配設されている。ポンプ１７で循環さ
れる冷却液は吸収器１８を冷却後、入口１９より
液タンク１４に流入する。液タンク１４内の冷却
液は、吸収熱と主凝縮器１５の凝縮熱により昇温
すると共に、温水熱交換器１６で市水２０と熱交
換して出口２１では低温となつている。又、図示
していないが温水熱交換器１５を室内に設けて冷
却液を別ポンプで循環させ、暖房に使う場合も同
様で液タンク１４下部へ、低温の液で戻つてく
る。この低温の冷却液は、出口２１から補助凝縮
器２２に流入する。発生器３からの冷媒ガスは先
ずこの補助凝縮器２２に流入して冷却液と熱交換
され主凝縮器１５に入る。一方、熱交換によつて
昇温した冷却液はポンプ１７に戻る。 FIG. 2 shows a main part of an embodiment of the present invention, in which a main condenser 15 and a hot water heat exchanger 16 are disposed within the liquid tank 14. The coolant circulated by the pump 17 cools the absorber 18 and then flows into the liquid tank 14 from the inlet 19. The temperature of the cooling liquid in the liquid tank 14 increases due to the heat of absorption and the heat of condensation from the main condenser 15, and it exchanges heat with the city water 20 in the hot water heat exchanger 16, so that the temperature at the outlet 21 is low. Further, although not shown, a hot water heat exchanger 15 is provided indoors, and the coolant is circulated by a separate pump, and the coolant is returned to the lower part of the liquid tank 14 as a low-temperature liquid in the same manner when used for heating. This low temperature cooling liquid flows into the auxiliary condenser 22 from the outlet 21. The refrigerant gas from the generator 3 first flows into this auxiliary condenser 22 where it exchanges heat with the cooling liquid and enters the main condenser 15 . On the other hand, the coolant whose temperature has been raised by heat exchange returns to the pump 17.
このように吸収器１８の入口に戻される冷却液
は凝縮熱の一部を受けるため給湯熱量は若干低下
するが、冷却液の最低温度が凝縮温度より若干低
い所定値になるまで低すぎる市水２０の時でも吸
収器１８の入口冷却液温が低下しすぎることにな
く、吸収式サイクルの低圧が大巾に変動すること
はない。従つて吸収器出口冷却液温は所定温度で
の維持することができる。このことは市水２０の
出口では常時高温の冷却液と熱交換することを意
味し、スタートから高温の出湯を得ることができ
る。 In this way, the coolant returned to the inlet of the absorber 18 receives part of the condensation heat, so the amount of hot water supply decreases slightly. 20, the temperature of the coolant at the inlet of the absorber 18 does not drop too much, and the low pressure of the absorption cycle does not fluctuate widely. Therefore, the absorber outlet coolant temperature can be maintained at a predetermined temperature. This means that at the outlet of the city water 20, heat is constantly exchanged with the high-temperature cooling liquid, and hot water can be obtained at a high temperature from the start.
第３図は本発明の異なる実施例の要部を示すも
のであり第２図と共通する部分には同一番号を付
す。温水熱交換器２３を第１の液タンク２４に、
主凝縮器２５を第２の液タンク２６に、出口２７
とポンプ１７の間に補助凝縮器２８とセンサー２
９を、そして主凝縮器２５と補助凝縮器２８の冷
媒回路に切換弁３０，３１を設けたものである。
冷媒回路は切換弁３０−主凝縮器２５−切換弁３
１と、切換弁３０−補助凝縮器２８−切換弁３１
と、切換弁３０−補助凝縮器２８−主凝縮器２５
−切換弁３１との３回路に切換ができる。従つて
センサー２９で検出した温度により設定値以下で
は補助凝縮器２８を通し、設定値以上であれば主
凝縮器２５のみに、極端に低い場合は補助凝縮器
２８のみに冷媒を流すように切換えることによ
り、冷却液の温度低下を防ぎ、サイクルの低圧の
維持、即ち吸収器出口液温の維持を図ることがで
きる。 FIG. 3 shows main parts of a different embodiment of the present invention, and parts common to those in FIG. 2 are given the same numbers. The hot water heat exchanger 23 is connected to the first liquid tank 24,
Main condenser 25 to second liquid tank 26, outlet 27
and the auxiliary condenser 28 and the sensor 2 between the
9, and switching valves 30 and 31 are provided in the refrigerant circuits of the main condenser 25 and the auxiliary condenser 28.
The refrigerant circuit includes switching valve 30 - main condenser 25 - switching valve 3
1, switching valve 30 - auxiliary condenser 28 - switching valve 31
and the switching valve 30 - auxiliary condenser 28 - main condenser 25
- Can be switched to three circuits with the switching valve 31. Therefore, depending on the temperature detected by the sensor 29, the refrigerant is switched to flow through the auxiliary condenser 28 if it is below the set value, only to the main condenser 25 if it is above the set value, and only to the auxiliary condenser 28 if it is extremely low. By doing so, it is possible to prevent a drop in the temperature of the coolant and maintain the low pressure of the cycle, that is, maintain the temperature of the absorber outlet liquid.
以上のように本発明は吸収式ヒートポンプサイ
クルの吸収器の冷却液流路に設けた液タンク冷却
流路に凝縮熱との熱交換回路を設けることによつ
て、冷却液温が低い時や市水温度が低く結果的に
冷却液温が低すぎる時でも、吸収器出口冷却液温
の維持を図り、高い給湯温度の確保ができる。 As described above, the present invention provides a heat exchange circuit with condensation heat in the liquid tank cooling flow path provided in the coolant flow path of the absorber of an absorption heat pump cycle. Even when the water temperature is low and, as a result, the coolant temperature is too low, the absorber outlet coolant temperature can be maintained and a high hot water supply temperature can be ensured.
第１図は従来例の一実施例の吸収式ヒートポン
プ装置の構成図、第２図は本発明の一実施例の要
部を示す図、第３図は本発明の異なる実施例の要
部を示す図である。
１８……吸収器、１４……液タンク、１６……
温水熱交換器、１５……主凝縮器、２２……補助
凝縮器。
Fig. 1 is a block diagram of an absorption heat pump device according to an embodiment of the conventional example, Fig. 2 is a diagram showing a main part of an embodiment of the present invention, and Fig. 3 is a diagram showing main parts of a different embodiment of the present invention. FIG. 18...Absorber, 14...Liquid tank, 16...
Hot water heat exchanger, 15...main condenser, 22...auxiliary condenser.
Claims (1)
も有し、かつ前記吸収器の冷却用液媒体を循環さ
せる流路に液タンクを設け、前記液タンクの液媒
体出口から前記吸収器までの流路に前記液媒体と
熱交換する補助凝縮器を設けたことを特徴とする
吸収式ヒートポンプ装置。 ２ 前記補助凝縮器は前記凝縮器から分岐したも
のである特許請求の範囲第１項に記載の吸収式ヒ
ートポンプ装置。 ３ 前記液媒体タンクは前記凝縮器の凝縮熱およ
び前記吸収器の吸収熱と前記液媒体間で熱交換さ
せる熱交換器を有する特許請求の範囲第１項また
は第２項に記載の吸収式ヒートポンプ装置。[Scope of Claims] 1. A liquid tank having at least a generator, a condenser, an evaporator, and an absorber, and a liquid tank provided in a flow path for circulating a cooling liquid medium of the absorber, and a liquid medium outlet of the liquid tank. An absorption heat pump device characterized in that an auxiliary condenser for exchanging heat with the liquid medium is provided in a flow path from the to the absorber. 2. The absorption heat pump device according to claim 1, wherein the auxiliary condenser is branched from the condenser. 3. The absorption heat pump according to claim 1 or 2, wherein the liquid medium tank has a heat exchanger for exchanging heat between the liquid medium and the condensation heat of the condenser and the absorption heat of the absorber. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6909782A JPS58187765A (en) | 1982-04-23 | 1982-04-23 | Absorption type heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6909782A JPS58187765A (en) | 1982-04-23 | 1982-04-23 | Absorption type heat pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58187765A JPS58187765A (en) | 1983-11-02 |
| JPH0321827B2 true JPH0321827B2 (en) | 1991-03-25 |
Family
ID=13392767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6909782A Granted JPS58187765A (en) | 1982-04-23 | 1982-04-23 | Absorption type heat pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58187765A (en) |
-
1982
- 1982-04-23 JP JP6909782A patent/JPS58187765A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58187765A (en) | 1983-11-02 |
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