JPH0735768Y2 - Vehicle air conditioner - Google Patents

Vehicle air conditioner

Info

Publication number
JPH0735768Y2
JPH0735768Y2 JP1906389U JP1906389U JPH0735768Y2 JP H0735768 Y2 JPH0735768 Y2 JP H0735768Y2 JP 1906389 U JP1906389 U JP 1906389U JP 1906389 U JP1906389 U JP 1906389U JP H0735768 Y2 JPH0735768 Y2 JP H0735768Y2
Authority
JP
Japan
Prior art keywords
air
cooling
regenerator
evaporator
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
Application number
JP1906389U
Other languages
Japanese (ja)
Other versions
JPH02109706U (en
Inventor
知明 国方
栄基 渡部
進士 梶本
重紀 土井
賢昭 長山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mazda Motor Corp
Japan Climate Systems Corp
Original Assignee
Mazda Motor Corp
Japan Climate Systems Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mazda Motor Corp, Japan Climate Systems Corp filed Critical Mazda Motor Corp
Priority to JP1906389U priority Critical patent/JPH0735768Y2/en
Publication of JPH02109706U publication Critical patent/JPH02109706U/ja
Application granted granted Critical
Publication of JPH0735768Y2 publication Critical patent/JPH0735768Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】 (産業上の利用分野) 本考案は蓄冷器を備えた車両用空調装置の改良に関す
る。
DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to improvement of a vehicle air conditioner equipped with a regenerator.

(従来の技術) 従来の車両用空調装置においては、空調用スイッチをオ
ン操作しても或る程度の時間が経過するまでは、冷房用
エバポレータへ冷媒が十分に供給されないため、冷房用
エバポレータとの熱交換による冷気が放出されないとい
う問題があった。
(Prior Art) In the conventional vehicle air conditioner, since the refrigerant is not sufficiently supplied to the cooling evaporator until a certain amount of time elapses even when the air conditioning switch is turned on, the cooling evaporator is not used. There was a problem that cold air was not released due to the heat exchange of.

そこで、特開昭61-150818号公報に示されるように、コ
ンプレッサ、コンデンサ、膨脹機構及び冷房用エバポレ
ータを順次接続してなる冷媒循環回路を備え、且つ、該
冷媒循環回路に接続された蓄冷用エバポレータを有する
蓄冷器と、該蓄冷器に貯溜された蓄冷材の循環する放冷
用熱交換器とを備えてなる車両用空調装置が提案されて
いる。
Therefore, as disclosed in Japanese Patent Laid-Open No. 61-150818, a refrigerant circulation circuit is provided in which a compressor, a condenser, an expansion mechanism and a cooling evaporator are sequentially connected, and the cold storage circuit connected to the refrigerant circulation circuit is provided. There has been proposed an air conditioning system for a vehicle, which includes a regenerator having an evaporator and a heat exchanger for releasing heat in which the regenerator material stored in the regenerator circulates.

この車両用空調装置においては、空調用スイッチがオン
操作された直後には蓄冷材の循環する放冷用熱交換器か
ら放冷し、その後、冷房用エバポレータ下流側の空気温
度が冷房適温になると、放冷を放冷用熱交換器から冷房
用エバポレータに切換えるものである。
In this vehicular air-conditioning system, immediately after the air-conditioning switch is turned on, the heat is released from the cooling heat exchanger for circulating the regenerator material, and then the air temperature on the downstream side of the cooling evaporator reaches the optimum cooling temperature. , The cooling is switched from the cooling heat exchanger to the cooling evaporator.

(考案が解決しようとする課題) ところが、前記の車両用空調装置においては、空調用ス
イッチがオン操作された直後に放冷が行われるという長
所を有しているが、放冷が放冷用熱交換器から冷房用エ
バポレータに切換えられた後は、従来と同様の冷房効果
が得られるに過ぎず、蓄冷器に貯溜された蓄冷材の蓄冷
エネルギーを効率良く利用しているとは言えない。
(Problems to be solved by the invention) However, the above-described vehicle air conditioner has an advantage that cooling is performed immediately after the air conditioning switch is turned on. After switching from the heat exchanger to the cooling evaporator, only the same cooling effect as the conventional one can be obtained, and it cannot be said that the cold energy of the cold storage material stored in the cold storage is efficiently used.

前記に鑑みて、本考案は蓄冷器に貯溜された蓄冷材の蓄
冷エネルギーを効率良く冷房に利用することを目的とす
る。
In view of the above, it is an object of the present invention to efficiently use the cold energy of the cold storage material stored in the cold storage for cooling.

(課題を解決するための手段) 前記の目的を達成するため、本考案は、冷房用エバポレ
ータを流通する空気を蓄冷器に貯溜された蓄冷材により
予め冷却しておくものである。
(Means for Solving the Problem) In order to achieve the above-mentioned object, the present invention is to cool air flowing through an evaporator for cooling in advance by a regenerator material stored in a regenerator.

具体的に本考案の講じた解決手段は、冷房用エバポレー
タを有する冷媒循環回路と、該冷媒循環回路に接続され
た蓄冷用エバポレータを有する蓄冷器と、該蓄冷器に貯
溜された蓄冷材が循環する放冷用熱交換器とを備えた車
両用空調装置を前提とし、前記放冷用熱交換器が空調用
ダクトの内気取入れ口に配設されている構成としたもの
である。
Specifically, the solution means taken by the present invention is that a refrigerant circulation circuit having an evaporator for cooling, a regenerator having an evaporator for regenerator connected to the refrigerant circulation circuit, and a regenerator material stored in the regenerator circulate. On the premise of a vehicular air-conditioning system equipped with a heat exchanger for cooling, the heat exchanger for cooling is arranged at the inside air intake of an air-conditioning duct.

(作用) 前記の構成により、空調用ダクトの内気取入れ口に蓄冷
材の循環する放冷用熱交換器が配設されており、空調用
ダクトへ吸入される空気は放冷用熱交換器を通過する際
に、放冷用熱交換器を循環する蓄冷材により予め冷却さ
れるので、冷房用エバポレータを流通した後の調和空気
は従来の車両用空調装置の場合よりも低温になる。
(Operation) With the above configuration, the cooling air heat exchanger in which the regenerator material circulates is arranged at the inside air intake port of the air conditioning duct, and the air taken into the air conditioning duct is cooled by the cooling air heat exchanger. When passing through, the conditioned air after passing through the cooling evaporator has a lower temperature than in the case of the conventional vehicle air conditioner, because it is cooled in advance by the regenerator material circulating in the cooling heat exchanger.

(実施例) 以下、本考案の実施例を図面に基づいて説明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.

第1図は本考案に係る車両用空調装置の全体構成を示
し、同図において、12はエンジン10により駆動される冷
媒圧縮用コンプレッサ、14はコンプレッサ12で圧縮され
た気相冷媒を凝縮液化させるコンデンサ、16はコンデン
サ14からの液化冷媒を貯溜するレシーバタンク、18は冷
媒を蒸発させると共に該冷媒との熱交換により冷却され
た冷気を車室内に放出する冷房用エバポレータ、20は前
記各機器12,14,16,18を順次接続する冷媒循環回路、22
はエンジン10のウォータージャケットと連通し、暖風を
供給するためのヒータコアである。
FIG. 1 shows the overall structure of a vehicle air conditioner according to the present invention. In FIG. 1, 12 is a compressor for compressing a refrigerant driven by an engine 10, and 14 is a condensed refrigerant of a gas phase refrigerant compressed by the compressor 12. A condenser, 16 is a receiver tank for storing the liquefied refrigerant from the condenser 14, 18 is an evaporator for cooling that evaporates the refrigerant and discharges cool air cooled by heat exchange with the refrigerant into the vehicle compartment, and 20 is each of the devices 12 , 14, 16, 18 refrigerant circulation circuit that connects in sequence, 22
Is a heater core that communicates with the water jacket of the engine 10 and supplies warm air.

また、第1図において、24は冷房用エバポレータ18やヒ
ータコア22等を収納し、吸入空気を調和した後、吹出し
口へ導く空調用ダクト、26は空調用ダクト24の内気取入
れ口、28は空調用ダクト24の外気取入れ口、30は空調用
ダクト24内への空気の吸入を内気取入れ口26側又は外気
取入れ口28側へ切換える内外気切換えダンパ、31は該内
外気切換えダンパ30の切換え操作をするアクチュエー
タ、32a,32bは調和空気の吹出し温度を制御するエアミ
ックスダンパ、34a,34b,34cは調和空気の吹出しモード
を切換える吹出しモード切換えダンパ、36は空調用ダク
ト24内に収納され、吸入空気を吹出し口へ送出するブロ
ワである。
Further, in FIG. 1, 24 is an air conditioning duct that accommodates the cooling evaporator 18, the heater core 22 and the like, and after conditioning the intake air, leads to the outlet, 26 is an inside air intake port of the air conditioning duct 24, and 28 is an air conditioner. Outside air intake port of the air duct 24, 30 is an inside air / outside air switching damper for switching intake of air into the air conditioning duct 24 to the inside air intake port 26 side or the outside air intake port 28 side, 31 is a switching operation of the inside air / outside air switch damper 30 Actuators 32a, 32b are air mix dampers for controlling the blowout temperature of the conditioned air, 34a, 34b, 34c are blowout mode switching dampers for switching the blowout mode of the conditioned air, and 36 is housed in the air conditioning duct 24 and sucked. It is a blower that sends air to the outlet.

また、第1図において、40は蓄冷材41を貯溜し且つ保冷
する蓄冷タンク、42は蓄冷材41の温度を検知する蓄冷材
温度センサ、44は前記蓄冷タンク40の内部に収納され、
流路切換弁48a,48bを介して冷房用エバポレータ18と並
列に接続された蓄冷用エバポレータであって、これら蓄
冷タンク40、蓄冷材41、蓄冷材温度センサ42及び蓄冷用
エバポレータ44によって蓄冷器46が構成されている。
Further, in FIG. 1, 40 is a cold storage tank that stores and cools the cold storage material 41, 42 is a cold storage material temperature sensor that detects the temperature of the cold storage material 41, 44 is stored inside the cold storage tank 40,
A cool storage evaporator connected in parallel with the cooling evaporator 18 via the flow path switching valves 48a, 48b, wherein the cool storage tank 40, the cool storage material 41, the cool storage material temperature sensor 42, and the cool storage evaporator 44 are used to store the cool storage 46. Is configured.

また、第1図において、50は前記蓄冷タンク40内と連通
し蓄冷材41が循環する蓄冷材循環回路、52は蓄冷材循環
回路50に介設され、蓄冷材41を強制循環させるための蓄
冷材循環ポンプである。また、同図において、54は蓄冷
材循環回路50に介設され、冷気を放出する放冷用熱交換
器であって、この放冷用熱交換器54は前記空調用ダクト
24の内気取入れ口26の上流側に配設されている。
Further, in FIG. 1, 50 is a cold storage material circulation circuit which communicates with the cold storage tank 40 and circulates the cold storage material 41, and 52 is provided in the cold storage material circulation circuit 50 to cool the cold storage material 41 for forced circulation. It is a material circulation pump. Further, in the figure, 54 is a heat exchanger for cooling, which is installed in the cold storage material circulation circuit 50 and discharges cool air. This heat exchanger 54 for cooling is the air conditioning duct.
It is arranged on the upstream side of the inside air intake port 26 of 24.

さらに、第1図において、56は本車両用空調装置のオ
ン、オフ操作を行う空調用スイッチ、58はCPUを内蔵
し、本車両用空調装置の冷房運転と蓄冷運転の切換え、
冷房運転の開始と停止、アクチュエータ31の切換え操
作、及び、蓄冷材循環ポンプ52の作動と停止等の制御を
するコントロールユニットである。
Further, in FIG. 1, 56 is an air conditioning switch for turning on / off the air conditioning system for the vehicle, 58 is a built-in CPU, and switching between cooling operation and cold storage operation of the air conditioning system for the vehicle,
It is a control unit that controls the start and stop of the cooling operation, the switching operation of the actuator 31, and the operation and stop of the cold storage material circulation pump 52.

第2図は本実施例に係る車両用空調装置の配置構造を示
し、同図において、60はコンプレッサ12、コンデンサ1
4、レシーバタンク16、冷房用エバポレータ18等を収納
したクーリングユニット、62はヒータコア22を収納した
ヒータユニットである。
FIG. 2 shows the arrangement structure of the vehicle air conditioner according to this embodiment. In FIG. 2, 60 is a compressor 12 and a condenser 1.
4, a cooling tank that houses the receiver tank 16, the cooling evaporator 18, and the like, and 62 is a heater unit that houses the heater core 22.

以下、本実施例に係る車両用空調装置の制御方法を第3
図のフローチャートに基いて説明する。
Hereinafter, the control method of the vehicle air conditioner according to the present embodiment will be described with reference to the third embodiment.
A description will be given based on the flowchart in the figure.

まず、ステップST1で空調用スイッチ56をオン操作し、
ステップST2で冷房運転を開始する。
First, in step ST1, turn on the air conditioning switch 56,
In step ST2, the cooling operation is started.

ステップST3で蓄冷材温度センサ42により検出した蓄冷
材41の温度が、予め設定された設定温度以下であるか否
かを判断し、設定温度を越えている場合には、放冷用熱
交換器54から冷気を放出できないのでフローを終了す
る。
In step ST3, it is judged whether or not the temperature of the cold storage material 41 detected by the cold storage material temperature sensor 42 is equal to or lower than a preset set temperature, and if it exceeds the set temperature, the heat exchanger for cooling is released. Since cold air cannot be discharged from 54, the flow ends.

ステップST3で蓄冷材41が設定温度以下である場合に
は、放冷用熱交換器54から冷気を放出すべく、ステップ
ST4で蓄冷材循環ポンプ52を作動させた後、ステップST5
でアクチュエータ31を操作し、内外気切換えダンパ30を
外気取入れ口28側へシフトして空調用ダクト24の内気取
入れ口26を開放する一方、ステップST6で、冷房運転を
継続する。
If the cold storage material 41 is below the set temperature in step ST3, in order to release cold air from the heat exchanger 54 for cooling,
After operating the cold storage material circulation pump 52 in ST4, step ST5
The actuator 31 is operated to shift the inside / outside air switching damper 30 to the outside air intake port 28 side to open the inside air intake port 26 of the air conditioning duct 24, while continuing the cooling operation in step ST6.

ステップST7で、再度、蓄冷材41が設定温度以下である
か否かを判断し、設定温度以下であれば、この判断を行
い続け、設定温度を越えていれば、ステップST8で蓄冷
用エバポレータ44からの放冷を停止するため、蓄冷材循
環ポンプ52を停止する。
In step ST7, it is again determined whether or not the cold storage material 41 is at or below the set temperature, and if it is at or below the set temperature, this determination is continued, and if it is above the set temperature, the cool storage evaporator 44 is set at step ST8. In order to stop the cooling from the cold storage material, the regenerator material circulation pump 52 is stopped.

以上のように、空調用ダクト24の内気取入れ口26を開放
し、この内気取入れ口26から空気を吸入すると、空調用
ダクト24へ吸入される空気は放冷用熱交換器54を流通す
るので、放冷用熱交換器54を循環する蓄冷材41により予
め冷却される。そして、この予め冷却された空気は冷房
用エバポレータ18を流通することによりさらに冷却され
るので、放冷用熱交換器54を流通しない場合と比較して
低温の調和空気が得られる。
As described above, when the inside air intake port 26 of the air conditioning duct 24 is opened and air is sucked through the inside air intake port 26, the air sucked into the air conditioning duct 24 flows through the cooling heat exchanger 54. It is cooled in advance by the cold storage material 41 circulating in the heat exchanger 54 for cooling. The pre-cooled air is further cooled by flowing through the cooling evaporator 18, so that conditioned air at a lower temperature can be obtained as compared with the case where the cooling heat exchanger 54 does not flow.

(考案の効果) 以上説明したように、本考案に係る車両用空調装置によ
ると、蓄冷材の循環する放冷用熱交換器を空調用ダクト
の内気取入れ口に配設し、この放冷用熱交換器を循環す
る蓄冷材により、冷房用エバポレータを流通する空気を
予め冷却することができるので、蓄冷器の有する蓄冷力
を効率良く冷房に利用できる。
(Effects of the Invention) As described above, according to the vehicle air conditioner of the present invention, the cooling heat exchanger for circulating the cold storage material is arranged at the inside air intake port of the air conditioning duct, and this cooling Since the air that flows through the cooling evaporator can be cooled in advance by the cool storage material that circulates in the heat exchanger, the cool storage power of the cool storage device can be efficiently used for cooling.

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

第1図及び第2図は本考案の一実施例である車両用空調
装置を示し、第1図は全体構成図、第2図は配置構造を
示す分解斜視図、第3図は前記車両用空調装置の制御方
法を示すフローチャート図である。 18……冷房用エバポレータ 20……冷媒循環回路 24……空調用ダクト 26……内気取入れ口 40……蓄冷タンク 41……蓄冷材 42……蓄冷材温度センサ 44……蓄冷用エバポレータ 46……蓄冷器 50……蓄冷材循環回路 54……放冷用熱交換器
1 and 2 show an air conditioner for a vehicle which is an embodiment of the present invention. FIG. 1 is an overall configuration diagram, FIG. 2 is an exploded perspective view showing an arrangement structure, and FIG. 3 is for the vehicle. It is a flowchart figure which shows the control method of an air conditioner. 18 …… Cooling evaporator 20 …… Refrigerant circulation circuit 24 …… Air conditioning duct 26 …… Inside air intake 40 …… Regenerator tank 41 …… Regenerator 42 …… Regenerator temperature sensor 44 …… Regenerator 46 …… Regenerator 50 …… Cooling material circulation circuit 54 …… Heat exchanger for cooling

───────────────────────────────────────────────────── フロントページの続き (72)考案者 梶本 進士 広島県安芸郡府中町新地3番1号 マツダ 株式会社内 (72)考案者 土井 重紀 広島県安芸郡府中町新地3番1号 マツダ 株式会社内 (72)考案者 長山 賢昭 広島県安芸郡府中町新地3番1号 マツダ 株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinji Kajimoto No. 3 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Prefecture Mazda Co., Ltd. (72) Inventor Shigeki Doi No. 3 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Corporation (72) Inventor Yoshiaki Nagayama 3-1, Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Motor Corporation

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】冷房用エバポレータを有する冷媒循環回路
と、該冷媒循環回路に接続された蓄冷用エバポレータを
有する蓄冷器と、該蓄冷器に貯溜された蓄冷材が循環す
る放冷用熱交換器とを備えた車両用空調装置であって、
前記放冷用熱交換器が空調用ダクトの内気取入れ口に配
設されていることを特徴とする車両用空調装置。
1. A refrigerant circulation circuit having an evaporator for cooling, a regenerator having an evaporator for regenerator connected to the refrigerant circulation circuit, and a heat exchanger for cooling, in which a regenerator material stored in the regenerator circulates. A vehicle air conditioner comprising:
An air conditioner for a vehicle, wherein the heat exchanger for cooling air is arranged at an inside air intake of an air conditioning duct.
JP1906389U 1989-02-21 1989-02-21 Vehicle air conditioner Expired - Lifetime JPH0735768Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1906389U JPH0735768Y2 (en) 1989-02-21 1989-02-21 Vehicle air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1906389U JPH0735768Y2 (en) 1989-02-21 1989-02-21 Vehicle air conditioner

Publications (2)

Publication Number Publication Date
JPH02109706U JPH02109706U (en) 1990-09-03
JPH0735768Y2 true JPH0735768Y2 (en) 1995-08-16

Family

ID=31234244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1906389U Expired - Lifetime JPH0735768Y2 (en) 1989-02-21 1989-02-21 Vehicle air conditioner

Country Status (1)

Country Link
JP (1) JPH0735768Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112017004553T5 (en) * 2016-09-09 2019-05-23 Denso Corporation Vorrichtungstemperatureinstellgerät

Also Published As

Publication number Publication date
JPH02109706U (en) 1990-09-03

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