JPH0894201A - Air conditioner - Google Patents
Air conditionerInfo
- Publication number
- JPH0894201A JPH0894201A JP25933694A JP25933694A JPH0894201A JP H0894201 A JPH0894201 A JP H0894201A JP 25933694 A JP25933694 A JP 25933694A JP 25933694 A JP25933694 A JP 25933694A JP H0894201 A JPH0894201 A JP H0894201A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- temperature
- refrigerant
- air
- temperature sensor
- 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.)
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Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
(57)【要約】
【目的】 厳寒期等に快適な空調を得ること。
【構成】 温度センサ１７、１８、１９によって測定さ
れた冷媒温度や外気の温度や室内温度によって、コント
ロ−ラ１５は切換弁１３の制御を行い、空気熱交換器１
またはガス焚熱交換器３で冷媒が気化される。気化され
た冷媒は、圧縮機７で高温、高圧のガスになり、室内機
９で気化され、暖房効果を生ずる。
(57) [Summary] [Purpose] To obtain comfortable air conditioning during severe cold seasons. [Constitution] The controller 15 controls the switching valve 13 according to the refrigerant temperature, the outside air temperature and the indoor temperature measured by the temperature sensors 17, 18 and 19, and the air heat exchanger 1
Alternatively, the refrigerant is vaporized in the gas-fired heat exchanger 3. The vaporized refrigerant becomes high-temperature, high-pressure gas in the compressor 7, is vaporized in the indoor unit 9, and produces a heating effect.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ヒートポンプ式の空調
装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat pump type air conditioner.
【０００２】[0002]
【従来の技術】従来、ヒートポンプ式の空調装置として
図３に示すようなものがある。図３において、２１は室
外に設置された空気熱交換器であり、圧縮機２３に接続
されている。圧縮機２３は室内機２５に接続され、室内
機２５は圧力損失部２７に接続され、圧力損失部２７は
空気熱交換器２１に接続される。空気熱交換器２１は、
冷媒と外気との熱交換を行い、冷媒を気化する。圧縮機
２３は、熱交換によって気化した冷媒を高温、高圧のガ
スにする。室内機２５は、高温、高圧の冷媒ガスを液化
することにより、室内の空気を温める。圧力損失部２７
は、冷媒の圧力を損失させて膨脹させる。2. Description of the Related Art Conventionally, there is a heat pump type air conditioner as shown in FIG. In FIG. 3, reference numeral 21 is an outdoor air heat exchanger, which is connected to the compressor 23. The compressor 23 is connected to the indoor unit 25, the indoor unit 25 is connected to the pressure loss portion 27, and the pressure loss portion 27 is connected to the air heat exchanger 21. The air heat exchanger 21 is
Heat is exchanged between the refrigerant and the outside air to vaporize the refrigerant. The compressor 23 turns the refrigerant vaporized by heat exchange into high-temperature, high-pressure gas. The indoor unit 25 warms the indoor air by liquefying a high-temperature, high-pressure refrigerant gas. Pressure loss part 27
Reduces the pressure of the refrigerant and causes it to expand.
【０００３】例えば、暖房時の一連の動作を説明する
と、空気熱交換器２１によって気化された冷媒は、圧縮
機２３によって高温、高圧のガスになる。高温、高圧の
ガスが室内機２５で液化されることにより、室内空気は
凝縮熱で加熱され、温風となって暖房効果を生ずる。液
化したガスは圧力損失部２７で膨脹されて、再び空気熱
交換器２１に戻り、同様の動作を繰り返す。For example, describing a series of operations during heating, the refrigerant vaporized by the air heat exchanger 21 becomes high temperature, high pressure gas by the compressor 23. By liquefying the high-temperature and high-pressure gas in the indoor unit 25, the indoor air is heated by the heat of condensation and becomes warm air, which produces a heating effect. The liquefied gas is expanded in the pressure loss portion 27, returns to the air heat exchanger 21 again, and repeats the same operation.
【０００４】このようにヒートポンプ式空調装置におい
て、室外に設置された空気熱交換器２１で外気との熱交
換を行い、冷媒を気化させる。As described above, in the heat pump type air conditioner, heat is exchanged with the outside air by the air heat exchanger 21 installed outdoors, and the refrigerant is vaporized.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、厳寒期
等で外気の温度が低いと、空気熱交換機２１の熱交換が
十分に行えず、十分な暖房効果を得ることができないと
いう問題があった。However, when the temperature of the outside air is low in the severe cold season or the like, there is a problem that the heat exchange of the air heat exchanger 21 cannot be sufficiently performed and a sufficient heating effect cannot be obtained.
【０００６】本発明は、このような問題に鑑みてなされ
たもので、その目的とするところは、厳寒期等において
も快適な空調を得ることができる空調装置を提供するこ
とにある。The present invention has been made in view of the above problems, and an object of the present invention is to provide an air conditioner capable of obtaining comfortable air conditioning even in a severe cold season.
【０００７】[0007]
【課題を解決するための手段】前述した目的を達成する
ために本発明は、冷媒を圧縮する圧縮機と、前記圧縮機
から送られる冷媒の熱交換を室内で行う室内機と、前記
室内機から送られる冷媒の圧力を損失させる圧力損失部
と、前記圧力損失部から送られる冷媒と他の熱源との熱
交換を行う空気熱交換器と、前記空気熱交換器に並列に
設けられ、冷媒と他の熱源との熱交換を行う補助熱交換
器と、前記空気熱交換器と前記補助熱交換器への冷媒の
流入を切換える切換手段と、前記空気熱交換器から送ら
れる冷媒の温度を測定する第１の温度センサと、外気の
温度を測定する第２の温度センサと、室内の温度を測定
する第３の温度センサと、前記第１の温度センサで測定
される冷媒の温度が所定の値以下になると、冷媒が前記
補助熱交換機に流入するように前記切換手段を切換える
とともに、前記第２の温度センサで測定される外気の温
度が所定の値以上になるか、或いは、前記前記室内機の
設定温度と前記第３の温度センサで測定される室内の温
度との温度差が所定の値以下になると、冷媒が前記空気
熱交換器に流入するように前記切換手段を切換える制御
手段と、を具備することを特徴とする空調装置である。In order to achieve the above object, the present invention provides a compressor for compressing a refrigerant, an indoor unit for indoor heat exchange of the refrigerant sent from the compressor, and the indoor unit. From the pressure loss portion to lose the pressure of the refrigerant sent from, the air heat exchanger that performs heat exchange between the refrigerant sent from the pressure loss portion and another heat source, provided in parallel with the air heat exchanger, the refrigerant And an auxiliary heat exchanger for exchanging heat with another heat source, a switching means for switching the inflow of the refrigerant to the air heat exchanger and the auxiliary heat exchanger, and the temperature of the refrigerant sent from the air heat exchanger. The first temperature sensor for measuring, the second temperature sensor for measuring the temperature of the outside air, the third temperature sensor for measuring the temperature of the room, and the temperature of the refrigerant measured by the first temperature sensor are predetermined. Is less than the value of, the refrigerant flows to the auxiliary heat exchanger. The switching means is switched so that the temperature of the outside air measured by the second temperature sensor becomes a predetermined value or higher, or the temperature set by the indoor unit and the third temperature sensor are measured. And a control means for switching the switching means so that the refrigerant flows into the air heat exchanger when the temperature difference from the room temperature becomes a predetermined value or less. .
【０００８】[0008]
【作用】本発明は、厳寒期等においてはガスまたは電気
による補助熱交換器が、空気熱交換器に代わって熱交換
を行う。According to the present invention, the gas or electric auxiliary heat exchanger performs heat exchange in place of the air heat exchanger in a severe cold season or the like.
【０００９】[0009]
【実施例】以下、図面に基づいて本発明の実施例を詳細
に説明する。図１は、本発明の１実施例に係る空調装置
の概略構成図である。図１に示されるように、圧縮機７
と圧力損失部１１との間に空気熱交換器１が設けられ、
空気熱交換器１に並列にガス焚熱交換器３が設けられ
る。ガス焚熱交換器３にはバ−ナ−５が設けられる。圧
縮機７は室内機９に、室内機９は圧力損失部１１に接続
される。圧力損失部１１から空気熱交換器１とガス焚熱
交換器３との分岐点には切換弁１３が設けられる。切換
弁１３はコントローラ１５によって開閉が制御される。
空気熱交換器１の冷媒出口には冷媒温度を測定する温度
センサ１７が設けられ、室外には外気の温度を測定する
温度センサ１８が設けられる。また、室内には室内の温
度を測定する温度センサ１９が設けられる。Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a schematic configuration diagram of an air conditioner according to an embodiment of the present invention. As shown in FIG. 1, the compressor 7
The air heat exchanger 1 is provided between the pressure loss portion 11 and the pressure loss portion 11,
A gas fired heat exchanger 3 is provided in parallel with the air heat exchanger 1. The gas fired heat exchanger 3 is provided with a burner 5. The compressor 7 is connected to the indoor unit 9, and the indoor unit 9 is connected to the pressure loss section 11. A switching valve 13 is provided at a branch point between the pressure loss portion 11 and the air heat exchanger 1 and the gas-fired heat exchanger 3. The opening / closing of the switching valve 13 is controlled by the controller 15.
A temperature sensor 17 for measuring the temperature of the refrigerant is provided at the refrigerant outlet of the air heat exchanger 1, and a temperature sensor 18 for measuring the temperature of the outside air is provided outdoors. A temperature sensor 19 that measures the temperature inside the room is provided in the room.
【００１０】空気熱交換器１は、冷媒と外気との熱交換
を行い、冷媒を気化する。ガス焚熱交換器３はバーナー
５によるガスの燃焼によって、空気熱交換器１同様に冷
媒と外気との熱交換を行う。圧縮機７は、熱交換によっ
て気化した冷媒を高温、高圧のガスにする。室内機９
は、高温、高圧の冷媒ガスを液化することにより、室内
空気を温め室内の暖房を行う。圧力損失部１１は、冷媒
の圧力を損失させて膨脹させる。コントロ−ラ１５は、
温度センサ１７、温度センサ１８、温度センサ１９から
送られる温度情報に基づいて切換弁１３、空気熱交換器
１及びガス焚熱交換器３の制御を行う。切換弁１３は、
空気熱交換器１とガス焚熱交換器３に対する冷媒流路の
切換えを行う。The air heat exchanger 1 exchanges heat between the refrigerant and the outside air to vaporize the refrigerant. Like the air heat exchanger 1, the gas-fired heat exchanger 3 exchanges heat between the refrigerant and the outside air by burning the gas by the burner 5. The compressor 7 turns the refrigerant vaporized by heat exchange into high-temperature, high-pressure gas. Indoor unit 9
Liquefy the high-temperature, high-pressure refrigerant gas to heat the indoor air and heat the room. The pressure loss portion 11 causes the pressure of the refrigerant to be lost and causes the refrigerant to expand. The controller 15 is
The switching valve 13, the air heat exchanger 1, and the gas-fired heat exchanger 3 are controlled based on the temperature information sent from the temperature sensor 17, the temperature sensor 18, and the temperature sensor 19. The switching valve 13 is
The refrigerant flow path for the air heat exchanger 1 and the gas-fired heat exchanger 3 is switched.
【００１１】次に本実施例の暖房時の一連の動作を図２
のフロ−チャ−トに従って説明する。空気熱交換器１に
よって気化された冷媒の温度が温度センサ１７によって
測定される（ステップ２０１）。温度センサ１７で測定
された冷媒の温度と第１の設定温度との比較を行い（ス
テップ２０２）、測定された冷媒の温度の方が第１の設
定温度より低い場合、コントロ−ラ１５は切換弁１３の
制御を行い、圧力損失部１１からの冷媒がガス焚熱交換
器３に流れるようにし、バーナー５を作動させガス焚熱
交換器３を作動させる（ステップ２０３）。測定された
冷媒の温度のほうが第１の設定温度より高い場合は、空
気熱交換器１が作動しつづけ、再度冷媒の温度の測定が
行われる（ステップ２０１）。Next, FIG. 2 shows a series of operations during heating in this embodiment.
The flow chart will be described. The temperature of the refrigerant vaporized by the air heat exchanger 1 is measured by the temperature sensor 17 (step 201). The temperature of the refrigerant measured by the temperature sensor 17 is compared with the first set temperature (step 202). If the measured temperature of the refrigerant is lower than the first set temperature, the controller 15 switches. The valve 13 is controlled to allow the refrigerant from the pressure loss portion 11 to flow into the gas-fired heat exchanger 3, and the burner 5 is operated to operate the gas-fired heat exchanger 3 (step 203). If the measured refrigerant temperature is higher than the first set temperature, the air heat exchanger 1 continues to operate and the refrigerant temperature is measured again (step 201).
【００１２】ガス焚熱交換器３が作動している間に、温
度センサ１８は外気の温度を測定し、温度センサ１９は
室内の温度を測定する（ステップ２０４）。コントロー
ラ１５は温度センサ１８で測定された外気の温度と第２
の設定温度との比較を行い（ステップ２０５）、測定さ
れた外気の温度の方が第２の設定温度より高い場合、コ
ントロ−ラ１５は圧力損失部１１の冷媒が空気熱交換器
１に流れるように切換弁１３を切換え、空気熱交換器１
を作動させる（ステップ２０７）。測定された外気の温
度が第２の設定温度より低い場合、測定された室内温度
と第３の設定温度との温度差と所定の値とを比較し（ス
テップ２０６）、室内温度と第３の設定温度との温度差
が所定の値より小さい場合は、コントロ−ラ１５は圧力
損失部１１の冷媒が空気熱交換器１に流れるように切換
弁１３を切換え、空気熱交換器１を作動させる（ステッ
プ２０７）。測定された外気の温度の方が第２の設定温
度より低く、測定された室内温度と第３の設定温度との
温度差が所定の値より大きい場合は、ステップ２０４に
戻る。While the gas fired heat exchanger 3 is operating, the temperature sensor 18 measures the temperature of the outside air and the temperature sensor 19 measures the temperature inside the room (step 204). The controller 15 controls the temperature of the outside air measured by the temperature sensor 18 and the second
Is compared with the set temperature (step 205), and when the measured outside air temperature is higher than the second set temperature, the controller 15 causes the refrigerant in the pressure loss portion 11 to flow into the air heat exchanger 1. The switching valve 13 is switched so that the air heat exchanger 1
Is operated (step 207). If the measured outside air temperature is lower than the second preset temperature, the temperature difference between the measured indoor temperature and the third preset temperature is compared with a predetermined value (step 206), and the indoor temperature and the third preset temperature are compared. When the temperature difference from the set temperature is smaller than a predetermined value, the controller 15 switches the switching valve 13 so that the refrigerant in the pressure loss portion 11 flows to the air heat exchanger 1, and operates the air heat exchanger 1. (Step 207). If the measured outside air temperature is lower than the second set temperature and the measured temperature difference between the indoor temperature and the third set temperature is larger than the predetermined value, the process returns to step 204.
【００１３】空気熱交換器１またはガス焚熱交換器３で
気化された冷媒は、圧縮機７で高温、高圧のガスとな
り、高温、高圧のガスは室内機９で液化されて室内の空
気は温められ、室内の暖房が行われる。液化された冷媒
は圧力損失部１１で膨脹されて、再び空気熱交換器１ま
たはガス焚熱交換器３に戻り、同様の動作が繰り返され
る。 このように本実施例によれば、温度センサ１７、
１８、１９によって測定される冷媒温度や外気の温度や
室内温度によって、空気熱交換器１とガス焚熱交換器３
とを切換えて熱交換が行われるので、効率のよい暖房運
転を行うことができる。 尚、前述した実施例では、補
助熱交換器としてガス焚熱交換器３を用いたが、電熱熱
交換器を用いてもよい。The refrigerant vaporized in the air heat exchanger 1 or the gas-fired heat exchanger 3 becomes high temperature and high pressure gas in the compressor 7, and the high temperature and high pressure gas is liquefied in the indoor unit 9 and the indoor air is It is heated and the room is heated. The liquefied refrigerant is expanded in the pressure loss portion 11, returns to the air heat exchanger 1 or the gas-fired heat exchanger 3 again, and the same operation is repeated. Thus, according to this embodiment, the temperature sensor 17,
The air heat exchanger 1 and the gas fired heat exchanger 3 are controlled by the refrigerant temperature, the outside air temperature, and the indoor temperature measured by 18, 19.
Since heat exchange is performed by switching between and, efficient heating operation can be performed. Although the gas-fired heat exchanger 3 is used as the auxiliary heat exchanger in the above-described embodiment, an electric heat exchanger may be used.
【００１４】[0014]
【発明の効果】以上、詳細に説明したように本発明によ
れば、厳寒期等においても快適な空調を得ることができ
る。As described in detail above, according to the present invention, comfortable air conditioning can be obtained even in a severe cold season.
【図１】 本発明の１実施例に係る空調装置の概略構成
図FIG. 1 is a schematic configuration diagram of an air conditioner according to an embodiment of the present invention.
【図２】 空調装置の動作を示すフローチャートFIG. 2 is a flowchart showing the operation of the air conditioner.
【図３】 従来の空調装置の概略構成図FIG. 3 is a schematic configuration diagram of a conventional air conditioner.
１………空気熱交換器 ３………ガス焚熱交換器 ５………バーナー ７………圧縮機 ９………室内機 １１………圧力損失部 １３………切換弁 １５………コントローラ １７………温度センサ １８………温度センサ １９………温度センサ 1 ………… Air heat exchanger 3 ………… Gas burning heat exchanger 5 ………… Burner 7 ………… Compressor 9 ………… Indoor unit 11 ………… Pressure loss part 13 ………… Switching valve 15 …… ... Controller 17 ... Temperature sensor 18 ... Temperature sensor 19 ... Temperature sensor
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤沢 和也 東京都練馬区貫井２−５−３−305 (72)発明者 増子 徳茂 埼玉県所沢市向陽町2174 Ｃ−608 (72)発明者 中山 香奈子 千葉県松戸市小金原７−39−10 (72)発明者 小牧 充典 東京都江東区猿江２−４−17 (72)発明者 森田 哲 東京都大田区中央６−９−５ ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuya Fujisawa 2-5-3-305 Nukii, Nerima-ku, Tokyo (72) Inventor Toshige Masuko 2174 C-608, Koyo-cho, Tokorozawa, Saitama Prefecture (72) Inventor Kanako Nakayama 7-39-10 Koganehara, Matsudo City, Chiba Prefecture (72) Inventor Mitsunori Komaki 2-4-17 Sarue, Koto-ku, Tokyo (72) Inventor Satoshi Morita 6-9-5 Chuo, Ota-ku, Tokyo
Claims (3)
機と、 前記室内機から送られる冷媒の圧力を損失させる圧力損
失部と、 前記圧力損失部から送られる冷媒と他の熱源との熱交換
を行う空気熱交換器と、 前記空気熱交換器に並列に設
けられ、冷媒と他の熱源との熱交換を行う補助熱交換器
と、 前記空気熱交換器と前記補助熱交換器への冷媒の流入を
切換える切換手段と、 前記空気熱交換器から送られる冷媒の温度を測定する第
１の温度センサと、 外気の温度を測定する第２の温度センサと、 室内の温度を測定する第３の温度センサと、 前記第１の温度センサで測定される冷媒の温度が所定の
値以下になると、冷媒が前記補助熱交換機に流入するよ
うに前記切換手段を切換えるとともに、前記第２の温度
センサで測定される外気の温度が所定の値以上になる
か、或いは、前記前記室内機の設定温度と前記第３の温
度センサで測定される室内の温度との温度差が所定の値
以下になると、冷媒が前記空気熱交換器に流入するよう
に前記切換手段を切換える制御手段と、 を具備することを特徴とする空調装置。1. A compressor that compresses a refrigerant, an indoor unit that performs heat exchange of the refrigerant sent from the compressor indoors, a pressure loss portion that loses the pressure of the refrigerant sent from the indoor unit, and the pressure. An air heat exchanger for exchanging heat between the refrigerant sent from the loss portion and another heat source, and an auxiliary heat exchanger provided in parallel with the air heat exchanger for exchanging heat between the refrigerant and another heat source, Switching means for switching the inflow of the refrigerant into the air heat exchanger and the auxiliary heat exchanger, a first temperature sensor for measuring the temperature of the refrigerant sent from the air heat exchanger, and a first temperature sensor for measuring the temperature of the outside air. When the temperature of the refrigerant measured by the second temperature sensor, the third temperature sensor for measuring the temperature inside the room, and the first temperature sensor is equal to or lower than a predetermined value, the refrigerant flows into the auxiliary heat exchanger. And switching the switching means to The temperature of the outside air measured by the second temperature sensor is equal to or higher than a predetermined value, or the temperature difference between the set temperature of the indoor unit and the room temperature measured by the third temperature sensor is predetermined. And a control means for switching the switching means so that the refrigerant flows into the air heat exchanger.
ることを特徴とする請求項１記載の空調装置。2. The air conditioner according to claim 1, wherein the auxiliary heat exchanger is a gas-fired heat exchanger.
ることを特徴とする請求項１記載の空調装置。3. The air conditioner according to claim 1, wherein the auxiliary heat exchanger is an electrothermal heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25933694A JPH0894201A (en) | 1994-09-29 | 1994-09-29 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25933694A JPH0894201A (en) | 1994-09-29 | 1994-09-29 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0894201A true JPH0894201A (en) | 1996-04-12 |
Family
ID=17332693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25933694A Pending JPH0894201A (en) | 1994-09-29 | 1994-09-29 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0894201A (en) |
-
1994
- 1994-09-29 JP JP25933694A patent/JPH0894201A/en active Pending
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