JPH0148187B2 - - Google Patents

Info

Publication number
JPH0148187B2
JPH0148187B2 JP58228808A JP22880883A JPH0148187B2 JP H0148187 B2 JPH0148187 B2 JP H0148187B2 JP 58228808 A JP58228808 A JP 58228808A JP 22880883 A JP22880883 A JP 22880883A JP H0148187 B2 JPH0148187 B2 JP H0148187B2
Authority
JP
Japan
Prior art keywords
contact
electric compressor
temperature
stage
stage contact
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
Application number
JP58228808A
Other languages
Japanese (ja)
Other versions
JPS60121111A (en
Inventor
Nobuyoshi Hamazaki
Koichi Nagao
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP58228808A priority Critical patent/JPS60121111A/en
Publication of JPS60121111A publication Critical patent/JPS60121111A/en
Publication of JPH0148187B2 publication Critical patent/JPH0148187B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H1/3204Cooling devices using compression
    • B60H1/3222Cooling devices using compression characterised by the compressor driving arrangements, e.g. clutches, transmissions or multiple drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H1/3204Cooling devices using compression
    • B60H1/323Cooling devices using compression characterised by comprising auxiliary or multiple systems, e.g. plurality of evaporators, or by involving auxiliary cooling devices

Landscapes

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

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明はきめ細かな空調制御が行える車両用
空気調和装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a vehicle air conditioner that can perform fine air conditioning control.

〔従来技術〕[Prior art]

従来、この種の装置として第1図に示すものが
あつた。この第1図において、1は全密閉形のNo.
1電動圧縮機、2は全密閉形のNo.2電動圧縮機で
あり、これらのNo.1電動圧縮機1、No.2電動圧縮
機2はそれぞれ電磁接触器接点4,6を介して交
流電源(図示せず)に接続されている。
Conventionally, there has been a device of this type as shown in FIG. In this Figure 1, 1 is the fully enclosed type No.
1 is an electric compressor, 2 is a completely hermetic type No. 2 electric compressor, and these No. 1 electric compressor 1 and No. 2 electric compressor 2 are connected to AC via magnetic contactor contacts 4 and 6, respectively. Connected to a power source (not shown).

また、13は空調スイツチであり、この空調ス
イツチ13は2段階制御を行う温度調節器10の
低段側接点11、高段側接点12の各一方の端子
に接続されている。この低段側接点11、高段側
接点12の他方の端子は電磁接触器接点4の操作
コイル5、電磁接触器接点6の操作コイル7を通
して電源(図示せず)に接続されている。
Further, 13 is an air conditioning switch, and this air conditioning switch 13 is connected to one terminal of each of the low-stage contact 11 and the high-stage contact 12 of the temperature regulator 10 that performs two-stage control. The other terminals of the low-stage contact 11 and the high-stage contact 12 are connected to a power source (not shown) through the operating coil 5 of the electromagnetic contactor contact 4 and the operating coil 7 of the electromagnetic contactor contact 6.

次に動作について説明する。空調スイツチ13
を入れると温度調節器10の信号によりNo.1、No.
2電動圧縮機1,2が運転される。
Next, the operation will be explained. Air conditioning switch 13
When it is turned on, the signal from the temperature controller 10 indicates No. 1 and No.
Two electric compressors 1 and 2 are operated.

通常、冷房時は車内温度が上昇するとまず温度
調節器10の低段側接点11が閉となり、電磁接
触器接点4の操作コイル5が励磁され、電磁接触
器接点4が閉となつて、No.1電動圧縮機1が運転
される。
Normally, when the temperature inside the car rises during air conditioning, the low-stage contact 11 of the temperature controller 10 is first closed, the operating coil 5 of the electromagnetic contactor contact 4 is energized, the electromagnetic contactor contact 4 is closed, and the .1 Electric compressor 1 is operated.

さらに、温度が上昇すると、高段側接点12が
閉となり、操作コイル7が励磁され、電磁接触器
接点6が閉成され、No.2電動圧縮機2が運転され
る。
Furthermore, when the temperature rises, the high-stage contact 12 is closed, the operating coil 7 is excited, the electromagnetic contactor contact 6 is closed, and the No. 2 electric compressor 2 is operated.

冷房中の車内の温度により、No.2電動圧縮機2
の入切、No.1電動圧縮機1の入切が繰り返えされ
る。従来の車両用空気調和器は以上のように温度
調節器10のセツト値で固定された0、50、100
%の運転を繰り返えすのみで、中間期の軽負荷、
盛夏の過負荷に合せたきめ細かな制御が行えない
などの欠点があつた。
Depending on the temperature inside the car during cooling, No. 2 electric compressor 2
, and the No. 1 electric compressor 1 is repeatedly turned on and off. Conventional vehicle air conditioners have fixed values of 0, 50, 100, set by the temperature controller 10 as described above.
% of operation can be repeated, light load in the middle period,
There were drawbacks such as the inability to perform fine-grained control in response to overloads in midsummer.

〔発明の概要〕[Summary of the invention]

この発明は、かかる欠点を改善する目的でなさ
れたもので、3台の圧縮機と2個の温度調節器を
組み合せることにより、きめ細かな制御が行える
車両用空気調和装置を提案するものである。
This invention was made with the aim of improving these drawbacks, and proposes a vehicle air conditioner that can perform detailed control by combining three compressors and two temperature controllers. .

〔発明の実施例〕[Embodiments of the invention]

以下、この発明の車両用空気調和装置の実施例
について図面に基づき説明する。第2図はその一
実施の構成を示す回路図である。この第2図にお
いて、重複説明を避けるために、第1図と同一部
分には同一符号を付してその説明を省略し、第1
図とは異なる部分を重点的に述べることにする。
Embodiments of the vehicle air conditioner according to the present invention will be described below with reference to the drawings. FIG. 2 is a circuit diagram showing the configuration of one implementation. In this Fig. 2, in order to avoid duplicate explanation, the same parts as in Fig. 1 are given the same reference numerals and their explanations are omitted.
I will focus on the parts that differ from the diagram.

この第2図を第1図と比較しても明らかなよう
に、第2図では符号1,2〜4〜7,10〜12
で示す部分は第1図と同様であり、以下に述べる
点が第1図とは異なるものである。
As is clear from comparing this Fig. 2 with Fig. 1, in Fig. 2, the numbers 1, 2 to 4 to 7, 10 to 12
The parts indicated by numerals are the same as those in FIG. 1, and the points described below are different from FIG.

すなわち、この発明は新たに全密閉形のNo.3電
動圧縮機3が設けられており、このNo.3電動圧縮
機3は電磁接触器接点8を介して交流電源に接続
されている。この電磁接触器接点8はNo.3電動圧
縮機3の動作制御を行うためのものである。
That is, in the present invention, a completely hermetic No. 3 electric compressor 3 is newly provided, and this No. 3 electric compressor 3 is connected to an AC power source via a magnetic contactor contact 8. This electromagnetic contactor contact 8 is for controlling the operation of the No. 3 electric compressor 3.

また、温度調節器10の低段側接点11および
高段側接点12の各一方の端子は空調スイツチ1
7を介して電源に接続されるようになつている。
この空調スイツチ17は中間期など軽負荷時に使
用するものである。
Further, one terminal of each of the low-stage contact 11 and the high-stage contact 12 of the temperature controller 10 is connected to the air conditioning switch 1.
7 to be connected to the power supply.
This air conditioning switch 17 is used during light loads such as during intermediate periods.

温度調節器10の低段側接点11と高段側接点
12の各他方の端子はそれぞれ操作コイル5,7
を介してラインL1に接続されている。この低段
側接点11、高段側接点12の各他方の端子間に
は、操作コイル19を持つ電磁継電器の常開接点
20aが接続されている。
The other terminals of the low-stage contact 11 and the high-stage contact 12 of the temperature controller 10 are connected to the operating coils 5 and 7, respectively.
connected to line L1 via. A normally open contact 20a of an electromagnetic relay having an operating coil 19 is connected between the other terminals of the low-stage contact 11 and the high-stage contact 12.

一方、空調スイツチ18は盛夏時など、過負荷
時に使用されるものであり、この空調スイツチ1
8の一端は電源に接続され、また、他端は2段階
制御の温度調節器14の低段側接点15および高
段側接点16の各一方の端子に接続されていると
ともに、操作コイル19を介してラインL1に接
続されている。
On the other hand, the air conditioning switch 18 is used during times of overload, such as during high summer;
8 is connected to a power source, and the other end is connected to one terminal of each of the low-stage contact 15 and the high-stage contact 16 of the two-stage temperature controller 14, and also connects the operating coil 19. Connected to line L1 via.

温度調節器14は盛夏などの過負荷時に使用す
るものであり、その低段側接点15の他方の端子
は上記電磁継電器の常開接点20bを介して、温
度調節器10の高段側接点12の他方の端子に接
続されている。
The temperature regulator 14 is used during overloads such as in midsummer, and the other terminal of its low stage contact 15 is connected to the high stage contact 12 of the temperature regulator 10 via the normally open contact 20b of the electromagnetic relay. is connected to the other terminal of the

また、温度調節器14の高段側接点16の他方
の端子は操作コイル9を介してラインL1に接続
されている。
Further, the other terminal of the high-stage contact 16 of the temperature regulator 14 is connected to the line L1 via the operating coil 9.

操作コイル9は電磁接触器接点8の操作コイル
であり、操作コイル19は回り回路防止の常開接
点20a,20bを持つ電磁継電器操作コイルで
ある。
The operating coil 9 is an operating coil for the electromagnetic contactor contact 8, and the operating coil 19 is an electromagnetic relay operating coil having normally open contacts 20a and 20b to prevent rotation.

次に、以上のように構成されたこの発明の車両
用空気調和装置の動作について説明する。
Next, the operation of the vehicle air conditioner of the present invention configured as described above will be explained.

中間期(5〜6月、9〜10月)など軽負荷時は
空調スイツチ17を入れる。車内の温度が少し高
いと温度調節器10の低段側接点11が閉とな
り、電磁接触器接点4の操作コイル5が励磁さ
れ、電磁接触器接点4が閉となり、No.1電動圧縮
機1が運転され1/3の運転となる。
Air conditioning switch 17 is turned on during light loads such as during the intermediate seasons (May to June, September to October). When the temperature inside the vehicle is a little high, the low-stage contact 11 of the temperature controller 10 is closed, the operating coil 5 of the electromagnetic contactor contact 4 is excited, the electromagnetic contactor contact 4 is closed, and the No. 1 electric compressor 1 is closed. is operated, resulting in 1/3 operation.

さらに、温度が上昇すれば、温度調節器10の
高段側接点12が閉となり、No.2電動圧縮機2が
運転され、2/3の運転となる。すなわち、軽負荷
時は0−1/3−2/3台運転の内で行われる。
Furthermore, if the temperature rises, the high-stage contact 12 of the temperature regulator 10 is closed, and the No. 2 electric compressor 2 is operated, resulting in 2/3 operation. In other words, when the load is light, 0-1/3-2/3 units are operated.

過負荷時は空調スイツチ18を入れる。通常車
内温度が高いので、温度調節器14の低段側接点
15が閉となり、電磁接触器接点4,6の操作コ
イル5,7の2個が励磁され、この電磁接触器接
点4,6が閉となり、No.1、No.2電動圧縮機1,
2が運転される。すなわち2/3運転となる。
In case of overload, turn on the air conditioning switch 18. Since the temperature inside the vehicle is usually high, the low-stage contact 15 of the temperature controller 14 is closed, and the two operation coils 5 and 7 of the electromagnetic contactor contacts 4 and 6 are energized, and the electromagnetic contactor contacts 4 and 6 are Closed, No. 1, No. 2 electric compressor 1,
2 is driven. In other words, it will be 2/3 operation.

さらに、温度が上昇すると、温度調節器14の
高段側接点16の閉により、No.3電動圧縮機3が
運転され、100%(3/3)運転になる。すなわち過
負荷時は2/3−100%(3/3)運転の内で行われる。
Furthermore, when the temperature rises, the No. 3 electric compressor 3 is operated by closing the high-stage contact 16 of the temperature regulator 14, resulting in 100% (3/3) operation. In other words, during overload, operation is performed between 2/3 and 100% (3/3).

〔発明の効果〕〔Effect of the invention〕

この発明は以上説明したとおり、3台の電動圧
縮機と2個の2段階制御の温度調節器を組み合せ
ることにより、軽負荷時、過負荷時に対応したき
め細かい制御が得られる効果がある。
As explained above, this invention has the effect of providing fine control corresponding to light loads and overloads by combining three electric compressors and two two-step temperature controllers.

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

第1図は従来の車内用空気調和装置の圧縮機と
圧縮機操作回路を示す概略回路図、第2図はこの
発明の車両用空気調和装置の一実施例の概略回路
図である。 1……No.1電動圧縮機、2……No.2電動圧縮
機、3……No.3電動圧縮機、4,6,8……電磁
接触器接点、5,7,9……電磁接触器の操作コ
イル、10,14……温度調節器、11,15…
…温度調節器の低段側接点、12,16……温度
調節器の高段側接点、17,18……空調スイツ
チ、20a,20b……電磁継電器の常開接点、
19……電磁継電器の操作コイル。なお、図中同
一符号は同一または相当部分を示す。
FIG. 1 is a schematic circuit diagram showing a compressor and compressor operation circuit of a conventional vehicle air conditioner, and FIG. 2 is a schematic circuit diagram of an embodiment of the vehicle air conditioner of the present invention. 1...No.1 electric compressor, 2...No.2 electric compressor, 3...No.3 electric compressor, 4, 6, 8...magnetic contactor contact, 5, 7, 9...electromagnetic Contactor operating coil, 10, 14...Temperature controller, 11, 15...
...low-stage contact of the temperature regulator, 12, 16... high-stage contact of the temperature regulator, 17, 18... air conditioning switch, 20a, 20b... normally open contact of the electromagnetic relay,
19...Operation coil of electromagnetic relay. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【特許請求の範囲】[Claims] 1 3台の全密閉形の電動圧縮機、軽負荷時に使
用され低温と高温の2段階制御を行つて上記3台
の電動圧縮機のうちの2台の電動圧縮機の運転制
御を行う第1の温度調節器、過負荷時に使用され
低温と高温の2段階制御を行つて上記3台の電動
圧縮機のうちの2台と残りの1台とを組み合せて
その運転制御を行う第2の温度調節器を備えてな
る車両用空気調和装置。
1 Three fully hermetic electric compressors, the first one which is used during light loads and performs two-stage control of low temperature and high temperature to control the operation of two of the three electric compressors mentioned above. A second temperature controller is used during overload to control the operation of two of the three electric compressors and the remaining one by performing two-stage control of low and high temperatures. A vehicle air conditioner equipped with a regulator.
JP58228808A 1983-12-01 1983-12-01 Car air conditioner Granted JPS60121111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58228808A JPS60121111A (en) 1983-12-01 1983-12-01 Car air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58228808A JPS60121111A (en) 1983-12-01 1983-12-01 Car air conditioner

Publications (2)

Publication Number Publication Date
JPS60121111A JPS60121111A (en) 1985-06-28
JPH0148187B2 true JPH0148187B2 (en) 1989-10-18

Family

ID=16882175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58228808A Granted JPS60121111A (en) 1983-12-01 1983-12-01 Car air conditioner

Country Status (1)

Country Link
JP (1) JPS60121111A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6252300A (en) * 1985-08-29 1987-03-06 株式会社ボッシュオートモーティブ システム Chilling unit for car

Also Published As

Publication number Publication date
JPS60121111A (en) 1985-06-28

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