JPS62142424A - Powder consumption reducing device for receiving system - Google Patents
Powder consumption reducing device for receiving systemInfo
- Publication number
- JPS62142424A JPS62142424A JP60283658A JP28365885A JPS62142424A JP S62142424 A JPS62142424 A JP S62142424A JP 60283658 A JP60283658 A JP 60283658A JP 28365885 A JP28365885 A JP 28365885A JP S62142424 A JPS62142424 A JP S62142424A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- receiving
- power supply
- circuit
- reception
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
- Communication Control (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、送信システムからの送信信号を待っている状
態での受信システムの消費電力を低減させるための装置
に関し、ハンディ・1ヘランシーバから、車両用のワイ
ヤレスドアロック・コントロール装置のような種々のリ
モートコントロール装置に適用することができる。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a device for reducing the power consumption of a receiving system while waiting for a transmission signal from a transmitting system. It can be applied to various remote control devices such as wireless door lock control devices for vehicles.
従来、トランシーバ等の送信装置では、受信信号を待つ
状態、いわゆるスタンバイ時には、他の送信機からの送
信信号があるかどうかを監視するために、受信回路をオ
ンさセでおく必要があった。Conventionally, in a transmitting device such as a transceiver, when waiting for a received signal, so-called standby, it has been necessary to keep the receiving circuit on in order to monitor whether there is a transmitted signal from another transmitter.
しかし、受信回路を連続的にオン状態にさせておくと、
実際には通信を行なわないにもかかわらず、受信回路で
電力が消費され、電源に電池等を使用している場合には
、電池の消耗を促進させてしまう。However, if the receiving circuit is kept on continuously,
Even though no communication is actually performed, power is consumed in the receiving circuit, and if a battery or the like is used as a power source, this will accelerate battery consumption.
そこで、従来では、スタンバイ時に受信回路を所定のデ
ユーティ比で周期的にオン・オフさせ送信信号が入力さ
れた時から受信回路を連続的にオン状態にさせて、装置
の消費電力を低減させるようにしている。Therefore, in the past, the receiver circuit was periodically turned on and off at a predetermined duty ratio during standby, and the receiver circuit was continuously turned on from the time the transmission signal was input to reduce the power consumption of the device. I have to.
しかし、従来の装置では、目的とする送信信号とは別の
信号、例えば、他の通信に使用される同周波数の電波、
雷等によるノイズ電波等の信号が受信された場合にも受
信回路は連続オン状態になり、消費電力が増加してしま
うという問題がある。However, with conventional devices, signals other than the intended transmission signal, such as radio waves of the same frequency used for other communications, are transmitted.
Even when a signal such as a noise radio wave due to lightning or the like is received, the receiving circuit remains in a continuous ON state, resulting in an increase in power consumption.
本発明は、上記問題を解決するためになされたもので、
送信信号が入力されても、受信回路を連続オン状態にさ
せないようにすることを目的とする。The present invention was made to solve the above problems, and
The purpose is to prevent a receiving circuit from being continuously turned on even if a transmission signal is input.
そこで本発明では、上記目的を達成するために、第1図
に示す如く送信手段からの送信信号を受信して、この送
信信号に応じた受信信号を出力する受信手段M1と、こ
の受信手段M、が前記送信信号を受信するまでの間、前
記受信手段M1と周期的にオン・オフさせる受信電源供
給手段M2と、前記受信信号を検出した時、前記受信信
号に含まれる判別コードを読み取る間、前記受信手段M
。Accordingly, in the present invention, in order to achieve the above object, as shown in FIG. , a reception power supply means M2 that periodically turns on and off the reception means M1 until the reception means M1 receives the transmission signal, and a reception power supply means M2 that periodically turns on and off the reception means M1 until the reception means M1 receives the transmission signal; , the receiving means M
.
をオン状態にする第1の指令信号を前記受信電源供給手
段M2に出力すると共に、前記判別コードの読取りが終
了したことを検出し、前記受信手段M、をオフせしめる
第2の指令信号を前記受信電源供給手段M2に出力する
制御手段M3とを備えるという技術手段を採用する。A first command signal for turning on the receiving power supply means M2 is outputted to the receiving power supply means M2, and a second command signal for turning off the receiving means M upon detecting completion of reading of the discrimination code is output to the receiving power supply means M2. A technical means of providing a control means M3 for outputting to the receiving power supply means M2 is adopted.
以下本発明を図に示す実施例に基づいて詳細に説明する
。The present invention will be explained in detail below based on embodiments shown in the drawings.
第2図は、本発明を車両用ワイヤレス・ドアロック制御
システムに適用した実施例を示す。このシステムは運転
者が所持可能な小型送信機1と、自動車に搭載された受
信機2、およびドアを施錠、解錠するためのソレノイド
3を有するドアロック制御装置4とから構成されている
。送信機1は、発振回路10、変調回路11、増幅回路
12、コード発生回路13および送信アンテナ14から
構成されている。コード発生回路13は、送信信号が、
この送信機lからのものであることを示すこの送信機固
有のコードを発生する。そして、変調回路11は、コー
ド発生回路13から出力されたコードに基づいて、発振
回路10から出力された信号を変調し、この変調信号は
増幅回路12で増幅された送信アンテナ14から放射さ
れる。FIG. 2 shows an embodiment in which the present invention is applied to a wireless door lock control system for a vehicle. This system includes a small transmitter 1 that can be carried by the driver, a receiver 2 mounted on the vehicle, and a door lock control device 4 having a solenoid 3 for locking and unlocking the doors. The transmitter 1 includes an oscillation circuit 10, a modulation circuit 11, an amplification circuit 12, a code generation circuit 13, and a transmission antenna 14. The code generation circuit 13 is configured so that the transmission signal is
A code unique to this transmitter is generated indicating that it is from this transmitter l. The modulation circuit 11 modulates the signal output from the oscillation circuit 10 based on the code output from the code generation circuit 13, and this modulated signal is amplified by the amplifier circuit 12 and radiated from the transmission antenna 14. .
次に、ドアロック制御装置4の構成について説明する。Next, the configuration of the door lock control device 4 will be explained.
受信機2は、受信アンテナ21に入射された信号を受信
する受信回路22を備え、ここで受信された受信信号は
、受信信号検出回路23に送られ、その信号に応じたデ
ィジタル信号に変換されて、マイクロコンピュータ24
に入力される。マイクロコンピュータ24は、後述の制
御プログラムに基づいて、受信信号が、送信Ia1から
の信号かどうかを判別し、ソレノイド駆動回路25およ
び電源回路26に出力信号を発生ずる。The receiver 2 includes a receiving circuit 22 that receives a signal incident on a receiving antenna 21, and the received signal received here is sent to a received signal detection circuit 23 and converted into a digital signal according to the signal. Microcomputer 24
is input. The microcomputer 24 determines whether the received signal is a signal from the transmission Ia1 based on a control program to be described later, and generates an output signal to the solenoid drive circuit 25 and the power supply circuit 26.
ソレノイド駆動回路25は、マイクロコンピュータ24
からの指令を受け、ドアがロックされている時には、ド
アロックソレノイド3に順方向に電流を流してドアをア
ンロックし、ドアがアンロックされているときには、ド
アロックソレノイド3に逆方向電流を流してドアロック
するように構成されている。The solenoid drive circuit 25 is a microcomputer 24
When the door is locked, a forward current is applied to the door lock solenoid 3 to unlock the door, and when the door is unlocked, a reverse current is applied to the door lock solenoid 3. It is configured to flush and lock the door.
電源回路26は、車載のバッテリ27に接続されており
、受信回路22および受信信号検出回路23に電源を供
給する第1電源回路26aとマイクロコンピュータ24
をバンクアンプする第2電源回路26bとから構成され
ている。The power supply circuit 26 is connected to an on-vehicle battery 27, and includes a first power supply circuit 26a that supplies power to the receiving circuit 22 and the received signal detection circuit 23, and a microcomputer 24.
and a second power supply circuit 26b that performs a bank amplification.
次に、上記構成を有する本実施例の作動を、第2図〜第
4図を用いて説明する。Next, the operation of this embodiment having the above configuration will be explained using FIGS. 2 to 4.
第4図の波形4aは、受信回路22への入力信号S1の
波形を示し、4Bは受信回路22の出力信号S2の波形
を示す。第3図は、マイクロコンピュータ24の制御プ
ログラムのフローチャートを示し、マイクロコンピュー
タ24は、ステップ100〜170の制御プログラムを
実行する。プログラムの実行がスタートすると、ステッ
プ110に進み、第4図に示す様に、第1電源回路26
aはT+待時間例えば0.05秒)オンし、T2時間(
例えば0.25秒)オフする断続作動を行ない、前記T
、待時間電源オンの時間)の間に、ステップ120の受
信信号があるか否かの判断を行なう。Waveform 4a in FIG. 4 shows the waveform of the input signal S1 to the receiving circuit 22, and 4B shows the waveform of the output signal S2 from the receiving circuit 22. FIG. 3 shows a flowchart of the control program of the microcomputer 24, and the microcomputer 24 executes the control program of steps 100-170. When the execution of the program starts, the process proceeds to step 110, and as shown in FIG. 4, the first power supply circuit 26
a is turned on for T + waiting time (e.g. 0.05 seconds), and T2 time (
For example, 0.25 seconds), the T
, standby time (power-on time), it is determined in step 120 whether or not there is a received signal.
ここで受信信号がない場合には、ステップ110に戻り
、前記断続作動を継続する。またステップ120で受信
信号があると判断すると、ステップ130に進んで第1
電源回路26aのオンを継続させた後、ステップ140
でコードを読み込み、コードの読み込みが完了するか、
あるいは一定時間内にコードが送られてこない場合は、
ステップ150に進んで第1電源回路26aをオフさせ
る。If there is no received signal here, the process returns to step 110 and the intermittent operation continues. If it is determined in step 120 that there is a received signal, the process proceeds to step 130 and the first
After continuing to turn on the power supply circuit 26a, step 140
Load the code with
Or if the code is not sent within a certain amount of time,
Proceeding to step 150, the first power supply circuit 26a is turned off.
ステップ130〜150により第1電源回路26aのオ
ン時間は第4図のT1゜の様に長くなる。次にステップ
160に進み、送信機1からの送信信号が受信信号に含
まれているかどうかを判断し、正規の信号であればステ
ップ170に進みソレノイドを駆動した後ステップ11
0に戻る。正規の信号でなければソレノイドを駆動させ
ずにステップ110に戻る。Through steps 130 to 150, the on time of the first power supply circuit 26a becomes longer as T1° in FIG. 4. Next, the process proceeds to step 160, where it is determined whether the transmitted signal from the transmitter 1 is included in the received signal, and if the signal is normal, the process proceeds to step 170, where the solenoid is driven, and then step 11
Return to 0. If the signal is not normal, the process returns to step 110 without driving the solenoid.
以上の構成では第4図に示す様に、受信回路22は時刻
t1゜〜t11までは、オンするものの、時間T、。の
間に送信信号のコード判別を行なった後は、オフ状態と
なる。In the above configuration, as shown in FIG. 4, the receiving circuit 22 is turned on from time t1 to t11, but only at time T. After determining the code of the transmitted signal during this period, the switch turns off.
また、上述の実施例では、マイクロコンピュータ24が
受信信号の有無と、受信信号の良否との2つを判別して
いるが、受信信号の有無だけを判別する受信状態判別回
路をマイクロコンピュータ24とは独立に設けてもよい
。この場合、受信状態判別回路のみに電源を供給すれば
よく、受信信号がない時は、マイクロコンピュータ24
への電源の供給をオフさせることができる。Furthermore, in the above-described embodiment, the microcomputer 24 discriminates between the presence or absence of a received signal and the quality of the received signal. may be provided independently. In this case, it is only necessary to supply power to the reception state determination circuit, and when there is no reception signal, the microcomputer 24
The power supply to the device can be turned off.
ただしこの場合は、ドアロックソレノイド3が1回の駆
動電流でうまく作動しなかった場合、完全に作動するま
でソレノイド駆動回路25に駆動指令を継続するように
、第2電源回路26bは、受信信号の受信が終わった後
も正規の信号であった場合には適当な時間だけ延長する
ことが望ましい。However, in this case, if the door lock solenoid 3 does not operate properly with one drive current, the second power supply circuit 26b uses the received signal to continue to issue a drive command to the solenoid drive circuit 25 until the door lock solenoid 3 is fully operated. Even after the reception of the signal has been completed, if the signal is legitimate, it is desirable to extend the time by an appropriate amount of time.
また、通信に使用する信号は、電波に限らず、超音波、
光等を信号として用いてもよい。In addition, the signals used for communication are not limited to radio waves, but also ultrasonic waves,
Light or the like may be used as the signal.
以上述べたように本発明によれば、受信手段が送信信号
を待っている間(スタンバイ時)に、受信手段を周期的
に、オン・オフさせ、かつこのオン時間を受信信号を出
力するのに最低必要な最小オン時間にしているため、ス
タンバイ時の受信手段での消費電力が有効に低減できる
。As described above, according to the present invention, while the receiving means is waiting for a transmitted signal (standby), the receiving means is periodically turned on and off, and the received signal is output during this on-time period. Since the on-time is set to the minimum required minimum, power consumption in the receiving means during standby can be effectively reduced.
また、送信信号が入力された時は、この送信信号に含ま
れる判別コードの読取りが終了すると、受信手段はただ
ちにオフされるため、不必要な電源供給が防止される。Furthermore, when a transmission signal is input, the receiving means is immediately turned off after reading the discrimination code included in the transmission signal, thereby preventing unnecessary power supply.
したがって、本発明によれば非常に効果的に受信手段で
の消費電力を低減することができる。Therefore, according to the present invention, power consumption in the receiving means can be reduced very effectively.
第1図は本発明の全体構成を示すブロック図、第2図は
本発明の実施例の全体構成を示すブロック図、第3図は
第2図に示すマイクロコンピュータのフローチャート、
第4図は第2図に示す受信機各部の波形図である。
1・・・送信機、2・・・受信機、22・・・受信回路
、24・・・マイクロコンピュータ、26・・・電源回
路。FIG. 1 is a block diagram showing the overall configuration of the present invention, FIG. 2 is a block diagram showing the overall configuration of an embodiment of the present invention, and FIG. 3 is a flowchart of the microcomputer shown in FIG. 2.
FIG. 4 is a waveform diagram of each part of the receiver shown in FIG. 2. DESCRIPTION OF SYMBOLS 1... Transmitter, 2... Receiver, 22... Receiving circuit, 24... Microcomputer, 26... Power supply circuit.
Claims (1)
じた、受信信号を出力する受信手段と、この受信手段が
前記送信信号を受信するまでの間、前記受信手段を周期
的にオン・オフさせる受信電源供給手段と、 前記受信信号を検出した時、前記受信信号に含まれる判
別コードを読み取る間、前記受信手段をオン状態にする
第1の指令信号を前記受信電源供給手段に出力すると共
に、前記判別コードの読取りが終了したことを検出し、
前記受信手段をオフせしめる第2の指令信号を前記受信
電源供給手段に出力する制御手段とを備えることを特徴
とする受信システムの消費電力低減装置。[Scope of Claims] Receiving means for receiving a transmission signal from the transmission means and outputting a reception signal according to the transmission signal; a reception power supply means for periodically turning on and off the reception power supply means; when the reception signal is detected, a first command signal for turning on the reception means while reading a discrimination code included in the reception signal; output to the power supply means and detect that the reading of the discrimination code is completed;
A power consumption reduction device for a receiving system, comprising: a control means for outputting a second command signal for turning off the receiving means to the reception power supply means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60283658A JPH0824272B2 (en) | 1985-12-17 | 1985-12-17 | Wireless door lock controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60283658A JPH0824272B2 (en) | 1985-12-17 | 1985-12-17 | Wireless door lock controller |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62142424A true JPS62142424A (en) | 1987-06-25 |
JPH0824272B2 JPH0824272B2 (en) | 1996-03-06 |
Family
ID=17668382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60283658A Expired - Lifetime JPH0824272B2 (en) | 1985-12-17 | 1985-12-17 | Wireless door lock controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0824272B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101581677B1 (en) * | 2014-04-17 | 2016-01-05 | 인하대학교 산학협력단 | Manufacturing method of phase change composites |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5731689A (en) * | 1980-06-10 | 1982-02-20 | Beecham Group Ltd | Substituted benzamide, manufacture and medicinal composition containing same |
JPS5812444A (en) * | 1981-07-14 | 1983-01-24 | Nec Corp | Radio selective call receiver |
-
1985
- 1985-12-17 JP JP60283658A patent/JPH0824272B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5731689A (en) * | 1980-06-10 | 1982-02-20 | Beecham Group Ltd | Substituted benzamide, manufacture and medicinal composition containing same |
JPS5812444A (en) * | 1981-07-14 | 1983-01-24 | Nec Corp | Radio selective call receiver |
Also Published As
Publication number | Publication date |
---|---|
JPH0824272B2 (en) | 1996-03-06 |
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Legal Events
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EXPY | Cancellation because of completion of term |