JPS5847368B2 - Blower control device for automotive air conditioners - Google Patents

Blower control device for automotive air conditioners

Info

Publication number
JPS5847368B2
JPS5847368B2 JP51087344A JP8734476A JPS5847368B2 JP S5847368 B2 JPS5847368 B2 JP S5847368B2 JP 51087344 A JP51087344 A JP 51087344A JP 8734476 A JP8734476 A JP 8734476A JP S5847368 B2 JPS5847368 B2 JP S5847368B2
Authority
JP
Japan
Prior art keywords
control device
blower
air conditioner
pulse signal
electric motor
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
JP51087344A
Other languages
Japanese (ja)
Other versions
JPS5313209A (en
Inventor
敏勝 伊藤
隆生 笹山
庸雄 鹿子幡
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP51087344A priority Critical patent/JPS5847368B2/en
Publication of JPS5313209A publication Critical patent/JPS5313209A/en
Publication of JPS5847368B2 publication Critical patent/JPS5847368B2/en
Expired legal-status Critical Current

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  • Air Conditioning Control Device (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Description

【発明の詳細な説明】 本発明は自動車用空気調和装置の送風機制御装置に係り
、特に前席の主空気調和装置と並列に後席の補助空気調
和装置を備えた自動車用空気調和装置であるマルチエア
コンデイショナの補助空気調和装置の風量制御装置など
として好適な自動車用空気調和装置の送風機制御装置に
関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a blower control device for an air conditioner for an automobile, and particularly to an air conditioner for an automobile that includes an auxiliary air conditioner for a rear seat in parallel with a main air conditioner for a front seat. The present invention relates to a blower control device for an automobile air conditioner, which is suitable as an air volume control device for an auxiliary air conditioner in a multi-air conditioner.

従来のこの種のマルチエアコンデイショナの補助空気調
和装置の風量制御装置としての自動車用空気調和装置の
送風機制御装置の概略回路図を第1図および第2図にそ
れぞれ例示する。
A schematic circuit diagram of a blower control device for an automobile air conditioner as a conventional air flow control device for an auxiliary air conditioner of this type of multi-air conditioner is illustrated in FIGS. 1 and 2, respectively.

第1図において、3は後席の補助空気調和装置の送風用
電動機、31は前席の主空気調和装置の送風用電動機、
4c,4h,4i,4jは抵抗器、5は電源、8は高量
Hと中量Mと低量Lと停止の切換スイッチである。
In FIG. 1, 3 is a blower motor for the auxiliary air conditioner in the rear seat, 31 is a blower motor for the main air conditioner in the front seat,
4c, 4h, 4i, and 4j are resistors, 5 is a power supply, and 8 is a changeover switch for high amount H, medium amount M, low amount L, and stop.

なお以下各図面を通じて同一符号は相当部分を示すもの
とする。
Note that the same reference numerals indicate corresponding parts throughout the drawings.

第2図において、9はステツピングリレー、9aはロー
クリスイッチ、9bはソレノイド、1は電気的スイッチ
、1a,1bは電気スイッチである。
In FIG. 2, 9 is a stepping relay, 9a is a low-return switch, 9b is a solenoid, 1 is an electric switch, and 1a and 1b are electric switches.

第1図は補助空気調和装置の風量制御装置としての送風
機制御装置を主空気調和装置の風量制御装置としての送
風機制御装置と連動させる方式で、第2図は主空気調和
装置の送風機制御装置と独立に、補助空気調和装置の送
風用電動機3の回転速度制御用抵抗器4cを電気的スイ
ッチ1の操作により駆動されるステツピングリレ−9を
用いて切り換え、風量制御を行なう方式である。
Figure 1 shows a system in which the blower control device as the air volume control device of the auxiliary air conditioner is linked with the blower control device as the air volume control device of the main air conditioner. This system independently switches the rotational speed control resistor 4c of the blower motor 3 of the auxiliary air conditioner using a stepping relay 9 driven by the operation of the electric switch 1 to control the air volume.

しかしながら、第1図の方式では前席の制御装置と連動
しているため、後席で後席の補助空気調和装置の風量制
御はオン・オフ制御しかできず、制御の自由度がない欠
点がある。
However, since the method shown in Figure 1 is linked to the front seat control device, the air volume of the rear seat auxiliary air conditioner can only be controlled on and off by the rear seat, and has the disadvantage of not having a lot of control flexibility. be.

一方、第2図の方式ではロータリスイッチ9aとソレノ
イド9bを含むステツピングリレー9を用いているため
、機械的な耐久性に欠け、かつ作動時に音が発生して乗
員に不快感を与え、さらに重量が重くて価格も高価とな
るなど、自動用空気調和装置の風量制御装置として用い
るには不適当な点が多い欠点があった。
On the other hand, the method shown in Fig. 2 uses a stepping relay 9 that includes a rotary switch 9a and a solenoid 9b, so it lacks mechanical durability and generates noise when activated, causing discomfort to the occupants. It has many drawbacks, such as being heavy and expensive, making it unsuitable for use as an air volume control device for automatic air conditioners.

本発明は、上記した従来技術の欠点をなくし、前席と後
席のいずれからでも風量制御が可能であって軽量かつ安
価で性能的にもすぐれ、マルチエアコンデイショナの後
席の補助空気調和装置の風量制御装置などとして好適な
自動車用空気調和装置の送風機制御装置を提供するにあ
る。
The present invention eliminates the drawbacks of the prior art described above, allows air volume control from either the front seat or the rear seat, is lightweight, inexpensive, and has excellent performance. An object of the present invention is to provide a blower control device for an air conditioner for an automobile, which is suitable as an air volume control device for the device.

本発明は、純電気的な回路構戊により制御信号を発生さ
せて風量制御を行ないうるようにした自動車用空気調和
装置の送風機制御装置であって、マルチエアコンデイシ
ョナの後席の補助空気調和装置などの風量制御用として
使用すれば主空気調和装置と独立に、かつ前席と後席の
いずれからも自由に制御可能な利点を与えうるものであ
る。
The present invention is a blower control device for an automobile air conditioner, which is capable of controlling air volume by generating a control signal using a purely electrical circuit structure. If used to control the air volume of a device, etc., it can provide the advantage of being able to be freely controlled from either the front seat or the rear seat, independently of the main air conditioner.

以下、本発明の実施例を図面にしたがって詳細に説明す
る。
Embodiments of the present invention will be described in detail below with reference to the drawings.

第3図は本発明による自動車用空気調和装置の送風機制
御装置の一実施例を示す概略回路構或図で、図中の2は
2進符号化信号発生手段である電子回路、4は制御電流
供給手段である回転速度制御部、4a,4bはソレノイ
ドリレー、6は電源スイッチ、7は作動表示ランプ、■
は電源端子、■は入力端子、Eは接地端子、01,02
は2進符号化信号出力端子である。
FIG. 3 is a schematic circuit diagram showing an embodiment of a blower control device for an automobile air conditioner according to the present invention, in which 2 is an electronic circuit that is a binary encoded signal generating means, and 4 is a control current. A rotation speed control unit which is a supply means, 4a and 4b are solenoid relays, 6 is a power switch, 7 is an operation indicator lamp,
is the power terminal, ■ is the input terminal, E is the ground terminal, 01,02
is a binary encoded signal output terminal.

第3図において、操作パルス信号発生手段である電気的
スイッチ1の電気スイッチIa,1bは電子回路2の入
力端子■に接続され、電源5は電源スイッチ6を介して
電子回路2の電源端子■と補助空気調和装置の送風用電
動機3と作動表示ランプ7に接続される。
In FIG. 3, the electrical switches Ia and 1b of the electrical switch 1, which is the operation pulse signal generating means, are connected to the input terminal (2) of the electronic circuit 2, and the power source 5 is connected to the power terminal (2) of the electronic circuit 2 via the power switch 6. and is connected to the blower motor 3 and operation indicator lamp 7 of the auxiliary air conditioner.

また送風用電動機3の回転速度制御部4を構成するソレ
ノイドリレー4a,4bは、電子回路2の出力端子01
,02に接続され、さらに送風用電動機3と作動表示
ランプ7の接地側と回転速度制飼部4の回転速度制御用
抵抗器4cとソレノイドリレー4a,4bの各端子とは
図示のように接続される。
Further, solenoid relays 4a and 4b constituting the rotation speed control section 4 of the blower electric motor 3 are connected to output terminals 01 of the electronic circuit 2.
, 02, and the ground side of the blower electric motor 3 and operation indicator lamp 7, the rotational speed control resistor 4c of the rotational speed control section 4, and the terminals of the solenoid relays 4a and 4b are connected as shown in the figure. be done.

この構或で、電源スイッチ6の投入時には、回転速度制
徂部4のソレノイドリレー4a,4bは開放され、送風
用電動機3は回転しない。
With this structure, when the power switch 6 is turned on, the solenoid relays 4a and 4b of the rotational speed limiting section 4 are opened, and the blower electric motor 3 does not rotate.

次に電気的スイッチ1を構成する後席または前席の電気
スイッチ1aまたは1bを閉じることによって、電子回
路2の出力端子01に駆動電流が流れ、ソレノイド4a
が閉じて、送風用電動機3が低速回転すると同時に、作
動表示ランプ7が点灯する。
Next, by closing the rear seat or front seat electrical switch 1a or 1b constituting the electrical switch 1, a drive current flows to the output terminal 01 of the electronic circuit 2, and the solenoid 4a
is closed and the blower electric motor 3 rotates at a low speed, and at the same time, the operation indicator lamp 7 lights up.

次に再び電気スイッチ1aまたは1bを閉じることによ
って、さらに電子回路2の出力端子02にも1駆動電流
が流れ、ソレノイドリレー4bも閉じて、送風用電動機
3が高速回転する。
Next, by closing the electric switch 1a or 1b again, 1 drive current also flows to the output terminal 02 of the electronic circuit 2, the solenoid relay 4b is also closed, and the blowing motor 3 rotates at high speed.

さらに再び電気スイッチ1aまたは1bを閉じることに
よって、電子回路2の出力端子01,02の駆動電流は
零となり、ソレノイド4a,4bが開放して、送風用電
動機3が停止すると同時に、作動表示ランプ7が消える
Furthermore, by closing the electric switch 1a or 1b again, the drive current of the output terminals 01, 02 of the electronic circuit 2 becomes zero, the solenoids 4a, 4b are opened, the blower electric motor 3 stops, and at the same time the operation indicator lamp 7 disappears.

かくして電源スイッチ投入時の状態にもどり、以下同じ
動作を繰り返すことができる。
In this way, the state returns to the state when the power switch is turned on, and the same operation can be repeated from now on.

つまり電子回路2の各出力端子には操作パルス信号発生
千段1からパルスが到来する毎に出力電流有り、出力電
流無の状態が生じ、結局、2進符号化された電流出力端
子に得られ、この出力電流によって後段の制御電流供給
手段である回転数制御部4の制御を行うのである。
In other words, each output terminal of the electronic circuit 2 has an output current state and no output current state each time a pulse arrives from the operation pulse signal generation stage 1, and in the end, the output current is obtained at the binary encoded current output terminal. This output current controls the rotation speed control section 4, which is a control current supply means in the subsequent stage.

第4図は第3図の電子回路2の一実施例を示す回路図で
、図中の2a,2bはD型フリツプフロツプ、2cは論
理NOR回路、2e,2fは出力用トランジスタ、2g
はパルス発生回路、R1,R2はリセット端子、CI
,C2はクロツク入力端子、DI .D2は条件入力端
子、Q1,蚕1,Q2 ,Q2は信号出力端子である。
FIG. 4 is a circuit diagram showing an embodiment of the electronic circuit 2 in FIG. 3, in which 2a and 2b are D-type flip-flops, 2c is a logic NOR circuit, 2e and 2f are output transistors, and 2g
is a pulse generation circuit, R1 and R2 are reset terminals, and CI
, C2 are clock input terminals, DI. D2 is a condition input terminal, and Q1, Silkworm 1, Q2, and Q2 are signal output terminals.

この構成で、電源スイッチ6の投入によって、電源端子
■よりパルス発生回路2gを介して発生したリセットパ
ルスは、D型フリツプフロツプ2a,2bのリセット端
子R1,R2に入り、それぞれの信号出力端子Q1,Q
2はリセットにより共に゛O″となって、出力用トラン
ジスタ2e,2fのエミツタの出力端子01 ,02に
は駆動電流が流れない。
With this configuration, when the power switch 6 is turned on, a reset pulse generated from the power supply terminal (2) via the pulse generation circuit 2g enters the reset terminals R1, R2 of the D-type flip-flops 2a, 2b, and the reset pulses are input to the respective signal output terminals Q1, R2 of the D-type flip-flops 2a, 2b. Q
2 become "O" due to reset, and no drive current flows to the output terminals 01 and 02 of the emitters of the output transistors 2e and 2f.

次に電気的スイッチ1の電気スイッチ1aまたは1bを
閉じて入力端子■を接地することによって、クロックパ
ルスが発生してD型フリツプフロツプ2a,2bのクロ
ツク入力端子CI ,C2に入り、フリツプフロツプ2
aでは条件入力端子D1の゛1″の信号が信号出力端子
Q1に移って信号出力端子Q1は゛1″となるとともに
、一方のフリツプフロツプ2bでは条件入力端子D2の
信号すな朽ち信号出力端子Q1とQ2の論理NOR回路
2cを介した出力の゛O“の信号が信号出力端子Q2に
移って信号出力端子Q2は″0″を維持する。
Next, by closing the electrical switch 1a or 1b of the electrical switch 1 and grounding the input terminal (2), a clock pulse is generated and enters the clock input terminals CI, C2 of the D-type flip-flops 2a, 2b.
In flip-flop a, the signal of ``1'' of the condition input terminal D1 is transferred to the signal output terminal Q1, and the signal output terminal Q1 becomes ``1'', and at the same time, in the flip-flop 2b, the signal of the condition input terminal D2, which is the decay signal output terminal Q1, is transferred to the signal output terminal Q1. The output "O" signal via the logic NOR circuit 2c of Q2 is transferred to the signal output terminal Q2, and the signal output terminal Q2 maintains "0".

したがって出力用トランジスタ2eの出力端子01にの
み駆動電流が流れる。
Therefore, the drive current flows only to the output terminal 01 of the output transistor 2e.

次に再び電気スイッチ1aまたは1bを閉じて入力端子
■を接地することによって、条件入力端子D1の入力は
゛1′で、条件入力端子D2の入力すなわち論理NOR
回路2cの出力は゛1″となるから、出力端子01 ,
02には共に駆動電流が流れる。
Next, by closing the electric switch 1a or 1b again and grounding the input terminal ■, the input of the conditional input terminal D1 is ``1'', and the input of the conditional input terminal D2, that is, the logic NOR.
Since the output of the circuit 2c is "1", the output terminals 01,
A drive current flows through both of them.

さらに再び入力端子■を接地することによって、出力端
子Q2が゛1′で、論理NOR回路2cの出力は゛O″
となるため、出力端子Q1 ,Q2は供に゛O″の状態
となって、電源投入時の状態に戻る。
Furthermore, by grounding the input terminal ■ again, the output terminal Q2 is ``1'' and the output of the logic NOR circuit 2c is ``O''.
Therefore, the output terminals Q1 and Q2 are both in the "O" state, returning to the state when the power was turned on.

以後、電気スイッチ1aまたは1bを閉じて入力端子■
を接地するごとに、同様の動作を繰り返して、回転速度
制御部4のソレノイドリレー4a,4bを1駆動し、送
風用電動機3の回転速度を制御することができる。
After that, close the electric switch 1a or 1b and connect the input terminal ■
Each time the fan is grounded, the same operation is repeated to drive the solenoid relays 4a and 4b of the rotational speed control section 4 one time, thereby controlling the rotational speed of the blower electric motor 3.

本実施例によれば、電源投入時には必らず送風用電動機
3がオフとなるため、制御風量の状態がわかりやすく、
かつ大電流を扱う回転速度制御部にソレノイドリレーを
用いているため、特に安価な送風機制御装置を提供でき
るという効果がある第5図は第3図の電子回路2の他の
実施例を示す回路図である。
According to this embodiment, since the blower electric motor 3 is always turned off when the power is turned on, it is easy to understand the state of the controlled air volume.
In addition, since a solenoid relay is used in the rotational speed control section that handles a large current, it is possible to provide a particularly inexpensive blower control device. FIG. 5 is a circuit showing another embodiment of the electronic circuit 2 shown in FIG. 3. It is a diagram.

第5図においては、第4図のパルス発生回路2gを省略
し、フリツプフロツプ2a,2bに常時電源5を接続し
ておく。
In FIG. 5, the pulse generating circuit 2g of FIG. 4 is omitted, and a power source 5 is always connected to the flip-flops 2a and 2b.

本実施例によれば、電源スイッチ6のオン、オフにかか
わらず、以前の制御信号を記憶発生しているため取り扱
いが便利であるという効果がある。
According to this embodiment, since the previous control signal is stored and generated regardless of whether the power switch 6 is on or off, handling is convenient.

第6図は本発明による自動車用空気調和装置の送風機制
御装置の他の実施例を示す概略回路構戒図で、図中の1
c,1dは磁気スイッチング素子1e,ifはマグネッ
ト付押釦、4d,4eはスイッチング用トランジスタで
ある。
FIG. 6 is a schematic circuit diagram showing another embodiment of the blower control device for an automobile air conditioner according to the present invention.
C and 1d are magnetic switching elements 1e, if are push buttons with magnets, and 4d and 4e are switching transistors.

第6図においては、第3図と異なり、送風用電動機3の
回転速度制御部4のソレノイドリレー4a,4bのかわ
りにスイッチング用トランジスタ4d,4eを用いると
ともに、一方のパルス発生用の電気的スイッチ1として
磁気スイッチング素子1c,1dを用いている。
In FIG. 6, unlike FIG. 3, switching transistors 4d and 4e are used instead of the solenoid relays 4a and 4b of the rotational speed control section 4 of the blower motor 3, and an electric switch for one pulse generation is used. 1, magnetic switching elements 1c and 1d are used.

なお、送風用電動機3の回転速度匍l御部4には、サイ
リスクなどのスイッチング動作をする他の半導体素子を
用いてもよく、一方の電気的スイッチ1としてフォトダ
イオードやフォトトランジスタ等の半導体素子のほか指
で触れることによってパルスを発生させるタッチスイッ
チ回路等も使用可能である。
Note that the rotational speed controller 4 of the blower motor 3 may use other semiconductor elements that perform switching operations, such as a silice, and the electric switch 1 may be a semiconductor element such as a photodiode or a phototransistor. In addition to the above, it is also possible to use a touch switch circuit that generates pulses by touching it with a finger.

本実施例によれば、送風機制御装置を完全に無接点化で
き、信頼性と耐久性の向上が計れるという効果がある。
According to this embodiment, the blower control device can be made completely contactless, and there is an effect that reliability and durability can be improved.

第7図は本発明による自動車用空気調和装置の送風機制
御装置のさらに他の実施例を示す概略回路構成図で、図
中の1g〜1jは電気スイッチ、4fは出力トランジス
タ、7a〜7cは作動表示ランプ、■1〜■3は入力端
子、03は出力端子である。
FIG. 7 is a schematic circuit configuration diagram showing still another embodiment of the blower control device for an automobile air conditioner according to the present invention, in which 1g to 1j are electric switches, 4f is an output transistor, and 7a to 7c are operating devices. Indicator lamps, ■1 to ■3 are input terminals, and 03 is an output terminal.

第7図においては、第3図と異なり、後席および前席に
それぞれ複数個のパルス発生用電気スイッチIa,1g
,1iおよび1b,1h,1jを備え、かつ回転速度制
御用低抗器4c,4hによる多段階の風量制御が可能な
構或とし、電子回路2の各出力端子01〜03に作動表
示ランプ7a〜7cが設けられる。
In FIG. 7, unlike FIG. 3, a plurality of pulse generation electric switches Ia and 1g are provided in the rear seat and the front seat, respectively.
, 1i, 1b, 1h, and 1j, and is configured such that multi-stage air volume control is possible using low resistance resistors 4c and 4h for rotational speed control, and an operation indicator lamp 7a is provided at each output terminal 01 to 03 of the electronic circuit 2. ~7c is provided.

本実施例によれば、あらかじめ設定された任意の風量が
1動作でえられ、かつ常に風量確認ができるという効果
がある。
According to this embodiment, an arbitrary air volume set in advance can be obtained in one operation, and the air volume can be constantly checked.

以上の説明から明らかなように、本発明の自動車用空気
調和装置の送風機制御装置によれば、電気的スイッチと
電子回路と送風用電動機の回転速度制御部との構成によ
り、後席および前席のみならず伺個所からでも簡単に制
御可能であり、かつ制御の自由度が大きく、軽量である
うえ、機械的接点数が少なくまたは全くなくすることが
できるため信頼性と耐久性力状輻に向上し、さらにステ
ツピングリレー等の特殊部品を必要としないため経済性
が向上し、特にマルチエアコンデイショナの後席の補助
空気調和装置などの風量制御を主空気調和装置と独立に
行なう装置として好適である
As is clear from the above description, according to the blower control device for an automobile air conditioner according to the present invention, the arrangement of the electric switch, the electronic circuit, and the rotational speed control section of the blower electric motor makes it possible to In addition, it can be easily controlled not only from a nearby location, but also has a large degree of control freedom, is lightweight, and has fewer or no mechanical contacts, resulting in reliability and durability. Furthermore, it is more economical because it does not require special parts such as stepping relays, and is especially useful as a device that controls the air volume of the auxiliary air conditioner in the rear seat of a multi-air conditioner independently from the main air conditioner. suitable

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

第1図および第2図はそれぞれ従来の自動車用空気調和
装置の送風機制御装置を例示する概略回路構成図、第3
図は本発明による自動車用空気調和装置の一実施例を示
す概略回路構或図、第4図および第5図はそれぞれ第3
図の電子回路の一実施例および他の実施例を示す回路図
、第6図および第7図はそれぞれ本発明による自動車用
空気調和装置の送風機制御装置・′:r)池の実施例お
よびさらに他の実施例を示す概略回路構戒図である。 符号の説明、1・・・・・・パルス発生用電気的スイツ
チ、2・・・・・・電子回路、3・・・・・・送風用電
動機、・・・電動機の回転速度制御部、5・・・・・・
電源。 4・・・
1 and 2 are schematic circuit configuration diagrams illustrating a conventional blower control device for an air conditioner for an automobile, and FIG.
The figure is a schematic circuit diagram showing one embodiment of the automotive air conditioner according to the present invention, and FIGS.
FIG. 6 and FIG. 7 are circuit diagrams showing one embodiment and another embodiment of the electronic circuit in the figure, respectively, and FIGS. FIG. 7 is a schematic circuit configuration diagram showing another embodiment. Explanation of symbols: 1... Electric switch for pulse generation, 2... Electronic circuit, 3... Electric motor for blowing air,... Motor rotation speed control section, 5・・・・・・
power supply. 4...

Claims (1)

【特許請求の範囲】[Claims] 1 車両の後席に送風する自動車用空気調和装置の送風
機用電動機と、該送風機用電動機に流れる電流を制御し
て該送風機用電動機の回転速度を制御する制御装置と、
該制御装置を操作すべく前席と後席に設けた少なくとも
2個の操作スイッチを有するものにおいて、前記操作ス
イッチは、車両の前席と後席に各々独立して設けられ操
作毎にパルス信号を発生する複数の操作パルス信号発生
器から構或され、前記制御装置は前記操作パルス信号発
生器からのパルス信号を受ける少なくとも一つの入力端
子と、各々アース電位と所定電位と所定電位との2状態
に切換わる複数個の出力端子と、入力端子に前記パルス
信号が到来する毎に前記複数の出力端子の状態を所定の
順序で切換えて前記複数の出力端子群に2進符号化信号
を与える2進符号化信号発生手段と、前記2進符号化信
号発生手段の出力に応じた電流を前記送風機用電動機に
供給する制御電流供給手段とから構成されることを特徴
とする自動車用空気調和装置の送風制御装置。
1. A blower electric motor of an automobile air conditioner that blows air to the rear seat of a vehicle; a control device that controls the current flowing through the blower electric motor to control the rotational speed of the blower electric motor;
In the vehicle having at least two operation switches provided in the front seat and the rear seat to operate the control device, the operation switch is provided independently in the front seat and the rear seat of the vehicle and generates a pulse signal for each operation. The control device includes a plurality of operation pulse signal generators that generate a pulse signal, and the control device has at least one input terminal that receives the pulse signal from the operation pulse signal generator, and two input terminals, each of which has a ground potential, a predetermined potential, and a predetermined potential. a plurality of output terminals that switch states, and each time the pulse signal arrives at an input terminal, the states of the plurality of output terminals are switched in a predetermined order to provide a binary encoded signal to the plurality of output terminal groups; An air conditioner for an automobile, comprising a binary encoded signal generating means, and a control current supply means for supplying a current to the blower motor according to the output of the binary encoded signal generating means. Air blow control device.
JP51087344A 1976-07-23 1976-07-23 Blower control device for automotive air conditioners Expired JPS5847368B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51087344A JPS5847368B2 (en) 1976-07-23 1976-07-23 Blower control device for automotive air conditioners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51087344A JPS5847368B2 (en) 1976-07-23 1976-07-23 Blower control device for automotive air conditioners

Publications (2)

Publication Number Publication Date
JPS5313209A JPS5313209A (en) 1978-02-06
JPS5847368B2 true JPS5847368B2 (en) 1983-10-21

Family

ID=13912240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51087344A Expired JPS5847368B2 (en) 1976-07-23 1976-07-23 Blower control device for automotive air conditioners

Country Status (1)

Country Link
JP (1) JPS5847368B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0524386B2 (en) * 1985-06-05 1993-04-07 Sumitomo Light Metal Ind

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614468A (en) * 1979-07-06 1981-02-12 Matsushita Electric Works Ltd Manufacture of asbestos cement board
JP3953414B2 (en) * 2002-12-11 2007-08-08 株式会社東洋工機 Reciprocating drive mechanism and press machine using the mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0524386B2 (en) * 1985-06-05 1993-04-07 Sumitomo Light Metal Ind

Also Published As

Publication number Publication date
JPS5313209A (en) 1978-02-06

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