JPS6341230A - Air-conditioner for vehicle - Google Patents

Air-conditioner for vehicle

Info

Publication number
JPS6341230A
JPS6341230A JP61184948A JP18494886A JPS6341230A JP S6341230 A JPS6341230 A JP S6341230A JP 61184948 A JP61184948 A JP 61184948A JP 18494886 A JP18494886 A JP 18494886A JP S6341230 A JPS6341230 A JP S6341230A
Authority
JP
Japan
Prior art keywords
air
duct
evaporator
blower
vehicle
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.)
Pending
Application number
JP61184948A
Other languages
Japanese (ja)
Inventor
Masaya Nakano
正哉 中野
Shigenori Doi
重紀 土井
Takusane Akashi
明石　卓實
Hiroaki Kawamura
河村　裕章
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
Original Assignee
Mazda Motor 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 filed Critical Mazda Motor Corp
Priority to JP61184948A priority Critical patent/JPS6341230A/en
Publication of JPS6341230A publication Critical patent/JPS6341230A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3233—Cooling devices characterised by condensed liquid drainage means

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

PURPOSE:To improve the drainage performance, by forming an air supply duct into U-shape when coupling one end of said duct having the other end coupled to an evaporator to a blowout port and forming a drainage hole at the lowermost section. CONSTITUTION:The air cooled by heatexchange through an evaporator 16 is branched at a branch section 17a of an air supply duct 17 and fed through branch ducts 17b, 17c to blowout ports 13a, 13b. Here, the water in the air condensed through heatexchange is fed smoothly to the branch section 17a of the air supply duct through free fall and the feeding function of a blower 15. Since a drainage hole 20 is made at the lowermost section 17a, the water is discharged through the drainage hole 20 and a drain hose 21. With such arrangement, the drainage performance can be improved.

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、自動車に装備される空調装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an air conditioner installed in an automobile.

（従来の技術） 一般に、車両用空調装置においては、ブロアの作動によ
って車室内より導入された空気がエバポレータにて熱交
換されて冷却され、この冷却された空気は、送風ダクト
を介して空調風吹出口より中室内に向けて吹出されるよ
うに構成されている。(Prior art) Generally, in a vehicle air conditioner, air introduced from the vehicle interior by the operation of a blower is cooled by heat exchange in an evaporator, and this cooled air is sent to the air conditioner through a blower duct. The air is blown out from the outlet toward the inside of the middle chamber.

また、上記のエバポレータで空気が冷却される際、空気
中に含有する水分は凝縮水として凝縮分離されるため、
排水孔より凝縮水の排出がなされるようになっている。In addition, when the air is cooled by the evaporator mentioned above, the moisture contained in the air is condensed and separated as condensed water.
Condensed water is drained from the drain hole.

そして、この種の空調装置にお（）る排水孔の構造とし
ては、例えば実開昭６０−５８４１９号公報に開示され
ているように、ブロアおよびエバポレータを収納した空
調ユニットの下部にエバポレータに対応して排水孔を形
成し、該排水孔に一端が固着されるドレンホースを介し
て車外へ排出するようにしたものが従来より知られてい
る。The structure of the drainage hole in this type of air conditioner is, for example, as disclosed in Japanese Utility Model Application Publication No. 60-58419, which is located at the bottom of the air conditioning unit that accommodates the blower and evaporator. Conventionally, there has been known a system in which a drain hole is formed and the water is discharged to the outside of the vehicle via a drain hose having one end fixed to the drain hole.

（発明が解決しようとする問題点） ところが、上記従来の空調装置では、エバポレータで凝
縮分離した凝縮水は、ブロアにより送風ダクト側へ送給
される空気と共にダクト側ｌ＼送給されることがあった
。この送風ダクト側へ送給された凝縮水は、送風ダクト
の内壁に付呑して溜り、該送風ダクトの腐食を沼いたり
、また送風ダクトから空調ユニットに戻る際空調ユニッ
ト内のブロア等の電気機器を汚染し、その故障の原因に
なったりするという問題があった。(Problems to be Solved by the Invention) However, in the conventional air conditioner described above, the condensed water condensed and separated by the evaporator cannot be sent to the duct side together with the air that is sent to the blower duct side by the blower. there were. The condensed water sent to the air duct side accumulates on the inner wall of the air duct, causing corrosion of the air duct, and when returning from the air duct to the air conditioning unit, it causes electricity in the blower, etc. inside the air conditioning unit. There was a problem that it could contaminate equipment and cause it to malfunction.

本発明はかかる点に鑑みてなされたもので、その目的と
するところは、上記送風ダク１へおよび排水孔の配設を
適切に選定して、簡単なＨａ造でもって、送風ダクトの
腐食等を招かないように凝縮水の排水性の向上を図り得
るようにづるものである。The present invention has been made in view of the above problems, and its purpose is to appropriately select the arrangement of the ventilation holes to the ventilation duct 1 and to prevent corrosion of the ventilation duct with a simple Ha structure. It is designed to improve the drainage of condensed water so as not to cause problems.

（問題点を解決するための手段） 上記目的を達成するため、本発明の解決手段は、自動車
用空ｙＡ装置として、空調ユニットと空調風吹出口とを
連通する送風ダクトを備え、該送風ダクトの一端を上記
空調ユニットのエバポレータ下部に接続し、他端を一旦
下方へ延ばしたのち空調風吹出口に向って上方に延ばす
とともに、上記送風ダクトの最下部に排水孔を設ける構
成としたものである。(Means for Solving the Problems) In order to achieve the above object, the solving means of the present invention is an air-conditioning device for an automobile, which includes a blower duct that communicates an air conditioning unit and an air-conditioned air outlet. One end is connected to the lower part of the evaporator of the air conditioning unit, and the other end is once extended downward and then upward toward the air conditioning air outlet, and a drainage hole is provided at the lowest part of the air duct.

（作用） 上記の構成により、本発明では、送風ダクト自体が空調
ユニットのエバポレータ下部から一旦下方に延びた後上
方に延びて配設され、該送風ダクＩ−の最下部に排水孔
が設けられていることに」；って、エバポレータで凝縮
分離した凝縮水は、全て上記送風ダクトの最下部に流下
し、該ＩＨＡ下部からＪＪＩ水孔を通して排出されるこ
とになる。(Function) According to the above configuration, in the present invention, the blower duct itself is arranged to extend downward from the bottom of the evaporator of the air conditioning unit and then upward, and the drain hole is provided at the lowest part of the blower duct I-. That is, all the condensed water condensed and separated in the evaporator flows down to the lowest part of the above-mentioned air duct and is discharged from the lower part of the IHA through the JJI water hole.

（実施例） 以下、本発明の実施例を図面に基づいて説明する。(Example) Embodiments of the present invention will be described below based on the drawings.

第１図ないし第３図は本発明の一実施例に係る空調装置
を備えた小型バスを示し、この小型バスは、運転座席１
の後方に後部乗員座席２．２．２が３列配設されてなる
。上記各後部乗員座席２は、シートクッション３下面に
脚４．・・・を有するベンチシートよりなり、その脚４
は、車体フロア面を構成するフロアパネル５上に固定さ
れている。６は車体側壁であって、該車体側壁６の上部
にはウィンドガラス７、・・・が設けられているととも
に、車体側壁６の下部つまりウィンドガラス７下側は、
車外側のアウタ部材８と車内側のインナ部材９とで閉断
面状に形成されている。上記閉断面状の車体ｆｉｌｌ壁
６内壁上内部および下端部には、それぞれ前後方向へ延
びるフレーム部材１０１３よびサイドシル１１が配設さ
れており、該フレーム部材１０およびサイドシル１１は
閉断面に形成されている。1 to 3 show a small bus equipped with an air conditioning system according to an embodiment of the present invention, and this small bus has a driver's seat
Three rows of rear passenger seats 2.2.2 are arranged behind the vehicle. Each rear passenger seat 2 has legs 4 on the bottom surface of the seat cushion 3. Consisting of a bench seat with..., its legs 4
is fixed on a floor panel 5 constituting the floor surface of the vehicle body. 6 is a side wall of the vehicle body, and the upper part of the side wall 6 of the vehicle body is provided with a windshield 7, and the lower part of the side wall 6 of the vehicle body, that is, the lower side of the windshield 7, is provided with a windshield 7, etc.
The outer member 8 on the outside of the vehicle and the inner member 9 on the inside of the vehicle are formed into a closed cross-sectional shape. A frame member 1013 and a side sill 11 extending in the longitudinal direction are disposed at the upper and lower ends of the inner wall of the vehicle body fill wall 6 having a closed cross section, respectively, and the frame member 10 and the side sill 11 are formed to have a closed cross section. There is.

また、上記フレーム部材１０にはウィンドガラス７の下
端部が固着されており、該ウィンドガラス７の下端部は
、フレーム部材１０および該下端部を挟持する車体側壁
６のアウタ部材８とインナ部材９の３部材によって支持
されている。上記アウタ部材８の下端部はサイドシル１
１に接合されている一方、インチ部材９の下端部は、サ
イドシル１１側縁に接合されるフロアパネル５上に組付
けられている。Further, a lower end portion of the window glass 7 is fixed to the frame member 10, and the lower end portion of the window glass 7 is connected to an outer member 8 and an inner member 9 of the vehicle body side wall 6 that sandwich the frame member 10 and the lower end portion. It is supported by three members. The lower end of the outer member 8 is connected to the side sill 1.
On the other hand, the lower end of the inch member 9 is assembled onto the floor panel 5 which is joined to the side edge of the side sill 11.

そして、上記車体１Ｉｌｌ壁６のインナ部材９には、中
央列の後部乗員座席２に対応する下部側に吸入口１２が
設けられているとともに、ウィンドガラス７の下側に沿
って前後に中央列の後部乗員座席２用の吹出口１３ａと
後列の後部梁ｌ座席２用の吹出口１３ｂとが設けられて
いる。一方、中央列の後部乗員座席２と対応する車体側
壁６の閉断面内の中央部には空調ユニット１４が配設さ
れており、該空調ユニット１４は、上記吸入口１２に対
応して収納されたシロッコファンよりなるブロア１５と
、該ブロア１５の下方に収納されたエバポレータ１６と
を備えている。The inner member 9 of the wall 6 of the vehicle body 1Ill is provided with an intake port 12 on the lower side corresponding to the rear passenger seat 2 in the center row, and the inner member 9 in the center row along the lower side of the windshield 7. An air outlet 13a for the rear passenger seat 2 and an air outlet 13b for the rear beam l seat 2 in the rear row are provided. On the other hand, an air conditioning unit 14 is disposed at the center of the closed section of the vehicle body side wall 6 corresponding to the rear passenger seat 2 in the center row, and the air conditioning unit 14 is housed in a manner corresponding to the intake port 12. The air conditioner includes a blower 15 made of a sirocco fan, and an evaporator 16 housed below the blower 15.

また、上記車体側壁６の閉断面内には、上記空調ユニッ
ト１４のエバポレータ１６側と前後の吹出口１３ａ、１
３ｂとを連通ずる送風ダクト１７が配設されている。該
送風ダクト１７は、空調ユニット１４のエバポレータ１
６に対向する下部に一端を連結して下方へ延びた後、下
部で前後に分岐する分岐部１７ａを有し、該分岐部１７
ａからは一対の分岐ダクト１７ｂ、１７ｃがＵ字状に上
方へ延び、該各分岐ダクト１７ｂ、１７Ｃの先端には、
上記各吹出口１３ａ、１３ｂに対応してそれぞれ吹出口
部１７ｄ、１７ｅが設けられている。Further, in the closed cross section of the vehicle body side wall 6, there are air outlets 13a, 1 on the evaporator 16 side of the air conditioning unit 14, and front and rear air outlets 13a, 1.
A ventilation duct 17 is provided to communicate with the air conditioner 3b. The air duct 17 is connected to the evaporator 1 of the air conditioning unit 14.
It has a branching part 17a that extends downward by connecting one end to the lower part facing 6, and then branches back and forth at the lower part, and the branching part 17a
A pair of branch ducts 17b and 17c extend upward in a U-shape from a, and at the tip of each branch duct 17b and 17C,
Air outlet portions 17d and 17e are provided corresponding to the air outlet portions 13a and 13b, respectively.

上記前後の分岐ダクト１７ｂ、１７ｃの上部及び下部に
は、各々フランジ部１７ｆ、１７ｆおよび１７（７，１
７ｇが形成されている。そして、上記車体側壁６の閉断
面内に配設されるフレーム部材１０他端の接合部にはス
テ一部材１８ａの上端を、サイドシル１１上端の接合部
にはステ一部材１８ｂの下端をそれぞれ挟着してステ一
部材１８ａ。Flange portions 17f, 17f and 17(7,1
7g is formed. The upper end of the stem member 18a is held at the joint of the other end of the frame member 10 disposed within the closed cross section of the vehicle side wall 6, and the lower end of the stem member 18b is held at the joint at the upper end of the side sill 11. Put on the stem member 18a.

１８ｂが配設されていて、上記前後の分岐ダクト１７ｂ
、１７ｃの上部のフランジ部１７ｆ、１７ｆはフレーム
部材１０のステ一部材１８ａに、前後の分岐ダクト１７
ｂ、１７Ｃの下部の７ランジ部１７０．１７ｇはサイド
シル１１のステ一部材１８ｂにそれぞれボルト１９によ
って取り付けられている。18b is arranged, and the above-mentioned front and rear branch ducts 17b
, 17c are connected to the front and rear branch ducts 17 to the stem member 18a of the frame member 10.
The seven flange portions 170.17g at the bottom of b and 17C are attached to the stem member 18b of the side sill 11 with bolts 19, respectively.

さらに、上記送風ダクト１７の最下部たる分岐部１７ａ
の下面には排水孔２０が形成されており、該排水孔２０
にはドレンホース２１の一端が連結されている。該ドレ
ンホース２１の他端は、フロアパネル５の孔部に嵌着さ
れるグロメット２２の嵌着孔２２ａを貫通して車外と連
通ずるよう下方へ垂れ下って配設されている。以上によ
って、中央列および後列の後部乗員座席２．２上の乗員
のための空ｖＡ装置が構成されている。Further, a branch portion 17a that is the lowest part of the air duct 17
A drain hole 20 is formed on the lower surface of the drain hole 20.
One end of a drain hose 21 is connected to the drain hose 21 . The other end of the drain hose 21 passes through a fitting hole 22a of a grommet 22 fitted into a hole in the floor panel 5, and is disposed to hang down and communicate with the outside of the vehicle. As described above, an empty vA system for the passengers on the rear passenger seats 2.2 in the center row and the rear row is configured.

尚、前列の後部乗員座席２上の乗員に対しては、運転座
席１側方の前側に設けられる空調装置（図示せず）によ
り運転台に対すると同程度の空調効果が得られる。Note that for the passengers on the rear passenger seats 2 in the front row, an air conditioning system (not shown) provided in front of the side of the driver's seat 1 provides the same air conditioning effect as for the driver's cab.

次に、上記実施例の作用・効果についてＳ１明するに、
空調装置の作動時には、車体側壁６の閉断面内に設けら
れた空調ユニツｌ−１４において、そのブロア１５の吸
引力により車室内の空気が車体側壁６の車掌側表面（イ
ンナ部材９）の吸入口１２から吸引され、ブロア１５下
流のエバポレータ１６で熱交換により冷却される。この
冷却された空気は、下方へ送風されて送風ダクｊ〜１７
の分岐部１７ａで前後に配分され、前後の分岐ダクト１
７ｂ、１７ｃを介して車体側壁６の単室側表面の各吹出
口１３ａ、１３ｂへ送給され、該８吹出口１３ａ、１３
ｂからそれぞれ中央列および後列の後部乗員座席２．２
に向けて空調風として吹出され、これにより、各後部乗
員座席２上の乗員に対する空調効果（冷房効果）が有効
に発揮される。Next, to explain the functions and effects of the above embodiment, S1:
When the air conditioning system is in operation, the suction force of the blower 15 of the air conditioning unit l-14 provided in the closed cross section of the side wall 6 of the vehicle causes air inside the vehicle to be drawn into the conductor side surface (inner member 9) of the side wall 6 of the vehicle body. It is sucked through the port 12 and cooled by heat exchange in the evaporator 16 downstream of the blower 15. This cooled air is blown downward to the air duct j~17
The front and rear branch ducts 1 are distributed in the front and rear at the branch part 17a
7b, 17c to the respective air outlets 13a, 13b on the single-chamber side surface of the vehicle body side wall 6, and the eight air outlets 13a, 13
b to rear passenger seats in the center row and rear row respectively 2.2
As a result, the air conditioning effect (cooling effect) for the occupants on each rear passenger seat 2 is effectively exerted.

一方、上記のエバポレータ１６での空気の冷却によって
該空気中に含まれる水分が凝縮分離して凝縮水が発生す
るが、この凝縮水は、その自由落下と共にブロア１５に
よる送り作用との相乗効果により、エバポレータ１６下
方の送風ダクト分岐部１７ａへの滴下がスムーズにかつ
迅速になし得られ、該分岐部１７ａに溜った凝縮水は、
全て該分岐部１７８下面に形成された排水孔２０からド
レンホース２１を介して車外に確実に排水され、排水性
が向上する。このため、従来の如く送風ダクト１７内に
溜った凝縮水により該送風ダクト１７が腐食したり、ま
た凝縮水によりブロア１５等の故障が誘発されたりする
ことはなく、空調装置の耐久性の向上を図ることができ
る。On the other hand, when the air is cooled by the evaporator 16, the moisture contained in the air is condensed and separated to generate condensed water. , the condensed water can drip smoothly and quickly into the branch part 17a of the air duct below the evaporator 16, and the condensed water accumulated in the branch part 17a can be
All of the water is reliably drained out of the vehicle from the drain hole 20 formed on the lower surface of the branch portion 178 via the drain hose 21, improving drainage performance. Therefore, the condensed water accumulated in the blower duct 17 does not corrode the blower duct 17, and the condensed water does not cause failure of the blower 15, etc., as in the past, and the durability of the air conditioner is improved. can be achieved.

しかも、上述の凝縮水の排水性の向上を図るに当っては
、従来の空調装置と比べて、単に送風ダクｌ−１７およ
び排水孔２０の配設を変えただけの簡単なものであるた
め、実施する上で非常に有利である。Furthermore, in order to improve the drainage of condensed water as described above, compared to conventional air conditioners, it is a simple matter of simply changing the arrangement of the ventilation duct l-17 and the drainage hole 20. , which is very advantageous in implementation.

尚、上記実施例では、本発明を、空調ｇｉ置の吹出口１
３ａ、１３ｂがｌｙＪ後に２箇所ある場合に適用したが
、吹出口が１箇所あるいは３箇所以上あるものにも同様
に適用できる。要は、送風ダクトを、一端が空調ユニッ
トのエバポレータ下部に接続され、他端が一旦下方に延
びたのち空調風吹出口に向って上方に延びるように配設
するとともに、該送風ダクトの最下部に排水孔を設けれ
ばよいのである。In addition, in the above embodiment, the present invention is applied to the air outlet 1 of the air conditioner.
Although the present invention is applied to the case where there are two outlets 3a and 13b after lyJ, it can be similarly applied to a case where there is one outlet or three or more outlets. In short, the ventilation duct is arranged so that one end is connected to the lower part of the evaporator of the air conditioning unit, the other end extends downward, and then extends upward toward the air conditioning air outlet. All you need to do is provide a drainage hole.

（発明の効果） 以上の如く、本発明の自動車用空調装置にＪ：れば、空
調ユニットと空調風吹出口とを連通ずる送風ダクトを、
空調ユニットのエバポレータ下部より一旦下方に延びた
のち空調風吹出口に向って上方へ延びて配没し、該送風
ダクトの最下部に排水孔を設けただけの簡単な構成によ
って、エバポレータで生ずる凝縮水の排水性を効果的に
高めることができ、凝縮水による送風ダクトの腐食やフ
ロア等の故障を確実に防止できるものである。(Effects of the Invention) As described above, the automobile air conditioner of the present invention includes a blower duct that communicates the air conditioning unit and the air conditioned air outlet.
The condensed water generated in the evaporator is removed by a simple structure that extends downward from the bottom of the evaporator of the air conditioning unit, then extends upward toward the air conditioning air outlet, and has a drainage hole at the bottom of the air duct. This effectively improves the drainage performance of the air and reliably prevents corrosion of ventilation ducts and failure of floors, etc. due to condensed water.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本発明の実施例を示すもので、第１図は小型バス
の車室内にＪ３ける空調装置の設置状態を締す概略図、
第２図は第１図の■−■線にＪ′３ける拡大断面図、第
３図は車体側壁よりインナ部材を外した状態の車室内よ
り見た分解斜視図である。 １３ａ、１３ｂ・・・吹出口、１４・・・空調ユニット
、１６・・・エバポレータ、１７・・・送風ダク１−１
２０・・・排水孔。 第３図 １３ｂ（口欠讐七口）The drawings show an embodiment of the present invention, and FIG. 1 is a schematic diagram showing the installation state of the air conditioner in J3 in the cabin of a small bus;
FIG. 2 is an enlarged cross-sectional view taken along the line ■--■ in FIG. 1 at J'3, and FIG. 3 is an exploded perspective view as seen from inside the vehicle with the inner member removed from the side wall of the vehicle body. 13a, 13b...Air outlet, 14...Air conditioning unit, 16...Evaporator, 17...Blower duct 1-1
20... Drain hole. Figure 3 13b (Kuchishenenshichikuchi)

Claims (1)

【特許請求の範囲】[Claims] （１）空調ユニットと空調風吹出口とを連通する送風ダ
クトを備え、該送風ダクトの一端は上記空調ユニットの
エバポレータ下部に接続され、他端は一旦下方に延びた
のち空調風吹出口に向つて上方に延びており、上記送風
ダクトの最下部には排水孔が設けられていることを特徴
とする自動車用空調装置。(1) A blower duct is provided that communicates the air conditioning unit and the air conditioner outlet, one end of the blower duct is connected to the lower part of the evaporator of the air conditioning unit, and the other end once extends downward and then upwards toward the air conditioner outlet. An air conditioner for an automobile, characterized in that the air duct extends into the air, and a drainage hole is provided at the lowest part of the air duct.
JP61184948A 1986-08-06 1986-08-06 Air-conditioner for vehicle Pending JPS6341230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61184948A JPS6341230A (en) 1986-08-06 1986-08-06 Air-conditioner for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61184948A JPS6341230A (en) 1986-08-06 1986-08-06 Air-conditioner for vehicle

Publications (1)

Publication Number Publication Date
JPS6341230A true JPS6341230A (en) 1988-02-22

Family

ID=16162155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61184948A Pending JPS6341230A (en) 1986-08-06 1986-08-06 Air-conditioner for vehicle

Country Status (1)

Country Link
JP (1) JPS6341230A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110072718A (en) * 2017-08-21 2019-07-30 翰昂汽车零部件有限公司 Vehicular air-conditioning apparatus and its control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110072718A (en) * 2017-08-21 2019-07-30 翰昂汽车零部件有限公司 Vehicular air-conditioning apparatus and its control method
CN110072718B (en) * 2017-08-21 2022-08-02 翰昂汽车零部件有限公司 Vehicle air conditioner and control method thereof

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