JP3142889B2 - Apparatus for setting reception frequency of master station of wireless communication system - Google Patents
Apparatus for setting reception frequency of master station of wireless communication systemInfo
- Publication number
- JP3142889B2 JP3142889B2 JP03073260A JP7326091A JP3142889B2 JP 3142889 B2 JP3142889 B2 JP 3142889B2 JP 03073260 A JP03073260 A JP 03073260A JP 7326091 A JP7326091 A JP 7326091A JP 3142889 B2 JP3142889 B2 JP 3142889B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- master station
- setting
- reception frequency
- station
- 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 - Fee Related
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Description
【０００１】[0001]
【産業上の利用分野】本発明は、セキュリティシステム
に用いられ、センサ情報などの伝送を行う無線通信シス
テムにおける親局の受信周波数の設定装置に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for setting a reception frequency of a master station in a radio communication system used for a security system for transmitting sensor information and the like.
【０００２】[0002]
【従来の技術】セキュリティシステムでは、防災センサ
や防犯センサなどの防災，防犯装置が接続される複数の
子局と、これら子局から送信される各防災，防犯装置の
動作状態を示す信号を受信して各防災，防犯装置の動作
状態を監視する１つの親局とを備え、子局から親局に無
線により単方向で通信を行うものがある。この種のセキ
ュリティシステムに用いられる無線通信システムでは子
局で搬送周波数を複数設定可能とし、各種の子局を識別
して親局が情報を受信可能としたものがある。2. Description of the Related Art In a security system, a plurality of slave stations to which disaster prevention and crime prevention devices such as disaster prevention sensors and crime prevention sensors are connected and signals indicating the operation states of the respective disaster prevention and crime prevention devices transmitted from these slave stations are received. One master station monitors the operation state of each of the disaster prevention and crime prevention devices, and performs one-way wireless communication from a slave station to the master station. In a wireless communication system used in this type of security system, a plurality of carrier frequencies can be set in a slave station, and various slave stations are identified so that a master station can receive information.
【０００３】[0003]
【発明が解決しようとする課題】ところで、従来のこの
種の無線通信システムにおける親局の受信周波数の設定
はディップスイッチを用い、このディップスイッチによ
る数ビットのデータにより搬送周波数を設定していた。
しかしながら、この種のディップスイッチは親局のケー
シングの内部に設けられるために、設定に際しては例え
ばその都度ケーシングを構成するカバーを外して受信周
波数の設定を行う必要があり、設定操作が面倒になると
いう問題があった。By the way, the setting of the receiving frequency of the master station in a conventional radio communication system of this type uses a dip switch, and the carrier frequency is set by several bits of data by the dip switch.
However, since this type of DIP switch is provided inside the casing of the master station, it is necessary to set the reception frequency by removing the cover forming the casing, for example, at each setting, which makes the setting operation troublesome. There was a problem.
【０００４】本発明は上述の点に鑑みて為されたもので
あり、その目的とするところは、受信周波数を容易に設
定できる無線通信システムの親局の受信周波数の設定装
置を提供することにある。[0004] The present invention has been made in view of the above, it is an object of the reception frequency of the master station of a wireless communication system capable of easily setting a reception frequency setting instrumentation
To provide a location .
【０００５】[0005]
【課題を解決するための手段】本発明では、上記目的を
達成するために、特定の搬送周波数で親局に受信周波数
の設定用のデータを送信する受信周波数設定装置をさら
に備え、親局の受信周波数を、上記特定の搬送周波数で
送信される受信周波数の設定用のデータを受信する受信
周波数に設定して、親局を受信周波数の設定可能状態と
する設定手段と、受信周波数設定装置からのデータに基
づく周波数に受信周波数を設定する受信周波数設定手段
とを親局に設けてある。In order to achieve the above object, the present invention further provides a receiving frequency setting device for transmitting data for setting a receiving frequency to a master station at a specific carrier frequency.
In preparation for the reception frequency of the master station at the specific carrier frequency described above.
Reception for receiving data for setting the reception frequency to be transmitted
Set the frequency to the master station and set the
And a receiving frequency setting means for setting a receiving frequency to a frequency based on data from the receiving frequency setting device.
【０００６】[0006]
【作用】本発明は、上述のように受信周波数設定装置か
ら受信周波数の設定用のデータを送信して親局の受信周
波数を設定することにより、親局の外部からの受信周波
数を設定できるようにして、受信周波数を容易に設定で
きるようにしたものである。また、本発明の構成によれ
ば、設定手段によって、親局の受信周波数を、特定の搬
送周波数で送信される受信周波数の設定用のデータを受
信する受信周波数に設定して、親局を受信周波数の設定
可能状態とし、受信周波数設定装置によって、受信周波
数の設定用のデータを特定の搬送周波数で親局に送信
し、受信周波数設定手段によって、受信周波数設定装置
からのデータに基づく周波数に親局の受信周波数を設定
するという、親局の受信周波数の設定方式となる。According to the present invention, as described above, the receiving frequency setting device transmits the receiving frequency setting data and sets the receiving frequency of the master station so that the receiving frequency from outside the master station can be set. Thus, the receiving frequency can be easily set . According to the configuration of the present invention,
If the receiving frequency of the master station is
Receives data for setting the reception frequency transmitted at the transmission frequency.
Set the receiving frequency to receive and set the master station to the receiving frequency.
Enabled, and the reception frequency setting device
Data for setting the number is transmitted to the master station on a specific carrier frequency
And a receiving frequency setting device.
Set the receiving frequency of the master station to the frequency based on the data from
This is a method of setting the reception frequency of the master station .
【０００７】[0007]
【実施例】図１乃至図５に本発明の一実施例を示す。本
発明が適用される一例としてのセキュリティシステムを
図２に示す。このセキュリティシステムにおいては、防
災センサ（火災センサ、ガス漏れ警報センサなど）、防
犯センサ（侵入警戒センサなど）、あるいは非常押釦や
救急通報装置などの防災，防犯装置が夫々接続された子
局２と、これら子局２から無線により送信される各種セ
ンサの動作状態を示す送信信号を受信してセンサの動作
状態を監視する１つの親局（コントローラ）１とからな
る。親局１は各センサの動作状態を個別に表示する表示
部を備え、異常発生時等に警報を発報すると共に、電話
回線を通じて例えば家人の通勤先に異常を電話連絡する
機能を備えている。1 to 5 show an embodiment of the present invention. FIG. 2 shows an example of a security system to which the present invention is applied. In this security system, a disaster prevention sensor (such as a fire sensor or a gas leak alarm sensor), a crime prevention sensor (such as an intrusion warning sensor), or a slave station 2 to which disaster prevention and crime prevention devices such as emergency push buttons and emergency notification devices are connected, respectively. And one master station (controller) 1 which receives transmission signals indicating the operation states of various sensors wirelessly transmitted from the slave stations 2 and monitors the operation states of the sensors. The master station 1 is provided with a display unit for individually displaying the operation state of each sensor. The master station 1 has a function of issuing an alarm when an abnormality occurs or the like, and a function of making a telephone call to, for example, a family member's commute via a telephone line. .
【０００８】図５は子局２の構成の一例を示すもので、
発振器２１1 、分周器２２1 、位相比較器２３1 、ロー
パスフィルタ２４1 、ＶＣＯ２５1 、プリスケーラ２６
1 、プログラマブル分周器２７1 からなるＰＬＬ部ａ1
を有する。ここで、この子局２の搬送周波数は、プリス
ケーラ２６の分周比を制御用のＣＰＵ２８にて制御する
ことにより設定可能となっている。センサの情報を示す
変調信号はＳｐＦ２９で電圧信号に変換してＶＣＯ２５
に与え、ＶＣＯ２５で搬送波に変調をかけ、この送信信
号をプリアンプ３０、電力アンプ３１及びバンドパスフ
ィルタ３２を介してアンテナ３３から送信する。FIG. 5 shows an example of the configuration of the slave station 2.
Oscillator 21 1 , frequency divider 22 1 , phase comparator 23 1 , low-pass filter 24 1 , VCO 25 1 , prescaler 26
1, PLL unit a 1 consisting of programmable frequency divider 27 1
Having. Here, the carrier frequency of the slave station 2 can be set by controlling the frequency division ratio of the prescaler 26 by the control CPU 28. The modulation signal indicating the information of the sensor is converted into a voltage signal by the SpF 29 and the VCO 25
, And the carrier is modulated by the VCO 25, and the transmission signal is transmitted from the antenna 33 via the preamplifier 30, the power amplifier 31 and the bandpass filter 32.
【０００９】図４は親局１の構成の一例を示すもので、
この親局１も子局２側と同一構成のＰＬＬ部ａ2 を用い
てあり、アンテナ１１で受信した信号をバンドパスフィ
ルタ１２及びＲＦアンプ１３を介して第１ミキサ１４1
に入力し、この第１ミキサ１４1 にＰＬＬ部ａ2 の出力
を第１局部発振信号として与え、第１ミキサ１４1 にて
受信信号の周波数を第１中間周波数に落とし、この第１
中間周波数をバンドパスフィルタ１５及びＩＦアンプ１
６を介して第２ミキサ１４2 に入力して、発信器１７か
ら出力される第２局部発振信号と混合して第２中間周波
数にさらに落とし、この第２中間周波数を復調器１８で
復調してローパスフィルタ１９を介して検波出力を得
る。この検波出力は制御用のＣＰＵ２０に入力し、火災
の発生や侵入者の存在などの判定処理を実行する。この
親局１においてはプログラマブル分周器２７2 の分周比
を変えることにより、受信周波数を変更可能となってい
る。FIG. 4 shows an example of the configuration of the master station 1.
The master station 1 even Yes using PLL unit a 2 of the slave station 2 side the same configuration, the first mixer 14 the signals received by the antenna 11 through the band-pass filter 12 and RF amplifier 13 1
Input to the output of the PLL unit a 2 to the first mixer 14 1 provided as a first local oscillation signal, dropping the frequency of the received signal at the first mixer 14 1 to the first intermediate frequency, the first
Bandpass filter 15 and IF amplifier 1
6 is input to the second mixer 14 2 via a further drop, demodulates the second intermediate frequency by a demodulator 18 to a second intermediate frequency by mixing with the second local oscillation signal outputted from the oscillator 17 To obtain a detection output via the low-pass filter 19. This detection output is input to the control CPU 20 to execute a process for determining the occurrence of a fire or the presence of an intruder. By changing the division ratio of the programmable frequency divider 27 2 in this parent station 1, and you can change the receive frequency.
【００１０】なお、上述の構成は情報の伝送に必要な回
路構成に関する説明であったが、本実施例の場合には親
局１の受信周波数の設定を行うために受信周波数設定装
置としての設定ツール４を備えている。この設定ツール
４は親局１の受信周波数を所望の周波数に設定するため
のもので、特定の送信周波数（ｆ1 ）で送信を行う。こ
の設定ツール４により受信周波数の設定が行えるように
するために、親局１には次の構成を設けてある。つま
り、親局１を受信周波数の設定可能状態とすると共に、
親局１の受信周波数を上記設置ツール４からの送信信号
を受信する受信周波数に設定する設定手段を設けてあ
り、本実施例の場合にはこの設定手段として親局１のケ
ーシングの外面に設けたスイッチＳＷ1 を用いてある。Although the above-described configuration has been described with respect to the circuit configuration necessary for information transmission, in the case of the present embodiment, the setting as a reception frequency setting device for setting the reception frequency of the master station 1 is performed. A tool 4 is provided. The setting tool 4 is for setting the reception frequency of the master station 1 to a desired frequency, and performs transmission at a specific transmission frequency (f 1 ). In order to enable the setting tool 4 to set the receiving frequency, the master station 1 is provided with the following configuration. In other words, the master station 1 is set to a state where the reception frequency can be set, and
Setting means for setting the reception frequency of the master station 1 to the reception frequency for receiving the transmission signal from the installation tool 4 is provided. In the case of this embodiment, the setting means is provided on the outer surface of the casing of the master station 1 as this setting means. and it is using the switch SW 1.
【００１１】以下、本実施例の親局１の受信周波数の設
定方法について説明する。なお、この設定はシステム設
定時に行われるものである。まず、この設定に際して、
図２（ｂ）に示すように親局１の上記スイッチＳＷ1 を
押す。これにより、受信周波数を設定する受信周波数設
定手段としてのＣＰＵ２０に対して設定開始指令を与え
る。この際にＣＰＵ２０はＰＬＬシンセサイザ回路ａ2
のプログラマブル分周器２７2 の分周比を調整すること
により、図２（ｃ）に示すようにスイッチＳＷ1 の操作
前は不安定の状態にあった親局１の受信周波数を設定ツ
ール４からの送信信号を受信可能な状態とする。Hereinafter, a method of setting the reception frequency of the master station 1 according to the present embodiment will be described. Incidentally, there is therefore also in this setting is carried out during system configuration. First, in this setting,
As shown in FIG. 2B, the switch SW1 of the master station 1 is pressed. Thus, a setting start command is given to the CPU 20 as a receiving frequency setting means for setting the receiving frequency. At this time, the CPU 20 controls the PLL synthesizer circuit a 2
By adjusting the division ratio of the programmable frequency divider 27 2, sets the reception frequency of the master station 1 before the operation of the switch SW 1 which was unstable state as shown in FIG. 2 (c) tools 4 In a receivable state.
【００１２】この状態において図１に示すように設定ツ
ール４に設けられた送信スイッチＳＷ2 を押すと、設定
ツール４に予め記憶させてある受信周波数に関するデー
タが親局１に送信される。上記受信データを受信した親
局１のＣＰＵ２０はそのデータを識別し、そのデータに
基づいた受信周波数となるようにプログラマブル分周器
２７2 の分周比を調整する。これにより、図２（ｄ）に
示すように親局１の受信周波数が所定の周波数（図２
（ｄ）の場合にはｆ3 ）に設定される。[0012] Pressing the transmission switch SW 2 which is provided on the setting tool 4 as shown in FIG. 1 in this state, data is transmitted to the parent station 1 regarding the reception frequency are stored in advance in the setting tool 4. CPU20 of the master station 1 receives the received data identifies the data, to adjust the division ratio of the programmable frequency divider 27 2 so that the received frequency based on the data. As a result, as shown in FIG. 2D, the reception frequency of the master station 1 becomes a predetermined frequency (FIG.
In the case of (d), it is set to f 3 ).
【００１３】このように設定ツール４を用いて親局１の
受信周波数の設定を行えば、ディップスイッチの設定の
ように面倒な設定操作を必要としない。例えば、通常親
局１のケーシング内に配設されるディップスイッチのよ
うにケーシングを構成するカバーを外して設定を行うと
いう操作が必要なく、設定が簡単に行え、しかも設置ツ
ール４であれば、予め設定する受信周波数を設定ツール
４の内部に設けたメモリなどに記憶させておけば、設定
誤りを起こすこともなく、確実な設定が可能となる。If the setting of the receiving frequency of the master station 1 is performed by using the setting tool 4 as described above, the troublesome setting operation unlike setting of the dip switch is not required. For example, there is no need to perform an operation of removing a cover constituting the casing, such as a dip switch normally disposed in the casing of the master station 1, and to perform the setting. If a preset receiving frequency is stored in a memory or the like provided inside the setting tool 4, setting can be reliably performed without causing a setting error.
【００１４】ところで、上述の場合にはスイッチＳＷ2
を親局１に設けることにより、親局１における受信周波
数の設定の開始指令を与えるようにしてあったが、例え
ば親局１に接続される接続端子に信号を印加すると、そ
の信号により受信周波数の設定開始指令が与えられるよ
うにしてもよい。In the above case, the switch SW 2
Is provided in the master station 1 so as to give a start command for setting the reception frequency in the master station 1. For example, when a signal is applied to a connection terminal connected to the master station 1, the reception frequency is determined by the signal. May be given.
【００１５】[0015]
【発明の効果】本発明は上述のように、特定の搬送周波
数で親局に受信周波数の設定用のデータを送信する受信
周波数設定装置をさらに備え、親局の受信周波数を、上
記特定の搬送周波数で送信される受信周波数の設定用の
データを受信する受信周波数に設定して、親局を受信周
波数の設定可能状態とする設定手段と、受信周波数設定
装置からのデータに基づく周波数に受信周波数を設定す
る受信周波数設定手段とを親局に設けてあるので、受信
周波数設定装置から受信周波数の設定用のデータを送信
して外部から受信周波数を設定でき、受信周波数を容易
に設定できる。According to the present invention as described above, further comprising a receiving frequency setting apparatus for transmitting data for setting the reception frequency to the master station at a particular carrier frequency, the reception frequency of the master station, on
For setting the receive frequency transmitted on a specific carrier frequency
Set the receiving frequency to receive data and set the master station
Since the base station is provided with setting means for setting a wave number in a settable state and receiving frequency setting means for setting a receiving frequency to a frequency based on data from the receiving frequency setting device, setting of the receiving frequency from the receiving frequency setting device is performed. Data can be transmitted and the receiving frequency can be set externally, and the receiving frequency can be easily set.
【図１】本発明の一実施例の設定ツールと親局の要部構
成を示す説明図である。FIG. 1 is an explanatory diagram showing a main part configuration of a setting tool and a master station according to an embodiment of the present invention.
【図２】同上の動作説明図である。FIG. 2 is an operation explanatory view of the above.
【図３】同上を備えるセキュリティシステムの構成図で
ある。FIG. 3 is a configuration diagram of a security system including the above.
【図４】親局の回路構成図である。FIG. 4 is a circuit configuration diagram of a master station.
【図５】子局の回路構成図である。FIG. 5 is a circuit configuration diagram of a slave station.
１ 親局 ２ 子局 ４ 設定ツール ＳＷ1 スイッチ1 master station 2 slave station 4 setting tool SW 1 switch
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−38622（ＪＰ，Ａ) 特開 昭62−173591（ＪＰ，Ａ) 特開 平２−1684（ＪＰ，Ａ) 特開 平２−133899（ＪＰ，Ａ) 特開 平４−309017（ＪＰ，Ａ) 特開 平１−238233（ＪＰ，Ａ) 特開 平３−121629（ＪＰ，Ａ) 特開 昭61−239726（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) G08B 23/00 - 31/00 H03J 9/00 - 9/06 H04B 1/38 - 1/58 H04B 7/24 - 7/26 113 H04Q 7/00 - 7/04 H04Q 9/00 - 9/16 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-38622 (JP, A) JP-A-62-173591 (JP, A) JP-A-2-1684 (JP, A) JP-A-2- 133899 (JP, A) JP-A-4-309017 (JP, A) JP-A-1-238233 (JP, A) JP-A-3-121629 (JP, A) JP-A-61-239726 (JP, A) (58) Field surveyed (Int.Cl. 7 , DB name) G08B 23/00-31/00 H03J 9/00-9/06 H04B 1/38-1/58 H04B 7 /24-7/26 113 H04Q 7/00-7/04 H04Q 9/00-9/16
Claims (1)
犯装置が接続される複数の子局と、これら子局から送信
される各防災，防犯装置の動作状態を示す信号を受信し
て各防災，防犯装置の動作状態を監視する親局とを備
え、子局から親局に無線により単方向で通信を行い、子
局の送信回路及び親局の受信回路に夫々シンセサイザ回
路を用いることにより搬送周波数及び受信周波数を適宜
設定可能な無線通信システムにおいて、特定の搬送周波
数で親局に受信周波数の設定用のデータを送信する受信
周波数設定装置をさらに備え、親局の受信周波数を、上
記特定の搬送周波数で送信される受信周波数の設定用の
データを受信する受信周波数に設定して、親局を受信周
波数の設定可能状態とする設定手段と、受信周波数設定
装置からのデータに基づく周波数に受信周波数を設定す
る受信周波数設定手段とを親局に設けて成ることを特徴
とする無線通信システムの親局の受信周波数の設定装
置。Claims 1. A plurality of slave stations to which disaster prevention and crime prevention devices such as disaster prevention sensors and security sensors are connected, and a signal transmitted from these slave stations and indicating a state of operation of each disaster prevention and crime prevention device, receives each disaster prevention. , A master station for monitoring the operation state of the security device, and performs one-way communication from the slave station to the master station by radio, and uses the synthesizer circuit for the transmission circuit of the slave station and the receiver circuit of the master station. in frequency and appropriately set a radio communication system capable of receiving frequency, further comprising a receiving frequency setting apparatus for transmitting data for setting the reception frequency to the master station at a particular carrier frequency, the reception frequency of the master station, on
For setting the receive frequency transmitted on a specific carrier frequency
Set the receiving frequency to receive data and set the master station
A master station of a wireless communication system, wherein a master station is provided with setting means for setting a wave number in a settable state and reception frequency setting means for setting a reception frequency to a frequency based on data from a reception frequency setting device. The reception frequency setting device
Place .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03073260A JP3142889B2 (en) | 1991-04-05 | 1991-04-05 | Apparatus for setting reception frequency of master station of wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03073260A JP3142889B2 (en) | 1991-04-05 | 1991-04-05 | Apparatus for setting reception frequency of master station of wireless communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04309018A JPH04309018A (en) | 1992-10-30 |
| JP3142889B2 true JP3142889B2 (en) | 2001-03-07 |
Family
ID=13513031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03073260A Expired - Fee Related JP3142889B2 (en) | 1991-04-05 | 1991-04-05 | Apparatus for setting reception frequency of master station of wireless communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3142889B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4553277B2 (en) * | 1999-10-28 | 2010-09-29 | リコーエレメックス株式会社 | Wireless meter reading system |
-
1991
- 1991-04-05 JP JP03073260A patent/JP3142889B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04309018A (en) | 1992-10-30 |
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