JPH0224419B2 - - Google Patents
Info
- Publication number
- JPH0224419B2 JPH0224419B2 JP19287683A JP19287683A JPH0224419B2 JP H0224419 B2 JPH0224419 B2 JP H0224419B2 JP 19287683 A JP19287683 A JP 19287683A JP 19287683 A JP19287683 A JP 19287683A JP H0224419 B2 JPH0224419 B2 JP H0224419B2
- Authority
- JP
- Japan
- Prior art keywords
- communication
- control
- communication path
- wireless
- wire
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 description 7
- 230000004913 activation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Description
【発明の詳細な説明】
〔発明の技術分野〕
この発明は、通信装置に関し、特に通信機器間
の制御装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a communication device, and particularly to a control device between communication devices.
従来この種の装置として第１図に示すものがあ
つた。第１図は２つの通信機器１，３間で通信を
行なう場合の構成を示しており、図において、１
は一方の通信機器としての制御器、５０はこの制
御器１に対し直接通信制御を行なうよう設けられ
た第１の制御装置、３は上記制御器１との間で通
信を行なう他方の通信機器としての無線装置、６
０はこの無線装置３に対し無線回路５を介して通
信制御を行なうよう設けられた第２の制御装置、
２はこの第２の制御装置６０の無線装置である。
そして４は上記第１の制御装置５０と第２の制御
装置６０との間に設けられた有線であり、これに
より有線通信路Ａが構成されている。また６ａ，
６ｂは通信信号と送信起動信号とを受渡しする信
号線である。
A conventional device of this type is shown in FIG. Figure 1 shows the configuration for communication between two communication devices 1 and 3.
1 is a controller as one communication device, 50 is a first control device provided to directly control communication with the controller 1, and 3 is another communication device that communicates with the controller 1. wireless device as, 6
0 is a second control device provided to perform communication control over the wireless device 3 via the wireless circuit 5;
2 is a wireless device of this second control device 60.
A wire 4 is provided between the first control device 50 and the second control device 60, thereby forming a wire communication path A. Also 6a,
Reference numeral 6b is a signal line for exchanging communication signals and transmission activation signals.
次に動作について説明する。一方の通信機器で
ある制御器１から送出された通信信号と送信起動
信号は、信号線６ａを通り、有線通信路Ａの有線
４を経由して第２の制御装置６０の信号線６ｂを
通り、無線装置２から無線回路５を介して他方の
通信機器である無線装置３に受信される。逆に無
線装置３から送信された通信信号は、上述の通信
経路の逆経路を通り第１の制御装置５０の制御器
１に受信される。 Next, the operation will be explained. A communication signal and a transmission activation signal sent from the controller 1, which is one communication device, pass through the signal line 6a, via the wire 4 of the wired communication path A, and then through the signal line 6b of the second control device 60. , is received from the wireless device 2 via the wireless circuit 5 to the wireless device 3, which is the other communication device. Conversely, the communication signal transmitted from the wireless device 3 is received by the controller 1 of the first control device 50 through a reverse path of the above-mentioned communication path.
従来の装置は以上のように構成されているの
で、第１の制御装置５０と第２の制御装置６０と
を有線４で電気的に接続しておかねばならず、該
有線が外部要因で断線するようなことがあれば通
信不能になつてしまう。また制御装置が山の上等
に設置されていると天災を受けやすく、上記有線
４が断線し通信不能になつた場合、その断線箇所
を見つけ修理し通信を復旧するのに非常に多くの
時間を必要とするなどの欠点があつた。 Since the conventional device is configured as described above, the first control device 50 and the second control device 60 must be electrically connected by the wire 4, and the wire may be disconnected due to external factors. If something like that happens, communication will become impossible. In addition, if the control device is installed on top of a mountain, it is susceptible to natural disasters, and if the wire 4 above is disconnected and communication becomes impossible, it will take a lot of time to find the disconnected point and repair it to restore communication. There were drawbacks such as:
この発明は上記のような従来のものの欠点を除
去するためになされたもので、制御装置間に有線
通信路とともに無線通信路を設け、上記有線通信
路における有線が断線した場合はそれを検出して
断線中は自動的に上記無線通信路に切換えるよう
にすることにより、通信不能状態を除去し、安定
な通信のできる通信装置を提供することを目的と
している。
This invention was made in order to eliminate the drawbacks of the conventional ones as described above, and it provides a wireless communication path as well as a wired communication path between control devices, and detects when the wire in the wired communication path is disconnected. It is an object of the present invention to provide a communication device that can eliminate a communication failure state and enable stable communication by automatically switching to the above wireless communication channel when the line is disconnected.
以下この発明の一実施例を図について説明す
る。第２図において、第１図と同一符号は同一の
ものを示す。７０は第１の制御装置であり、この
第１の制御装置７０において、７は第１の無線装
置、８は第１の制御回路で、これは制御器１と第
１の無線装置７又は有線９とを切換えて接続する
機能と、有線９の断線を検出する機能とを有して
いる。Ｃはこの第１の制御回路８に設けられ、有
線９の断線を検出するためのリレーであり、ｃ１
はリレーｃの接点である。また、８０は第２の制
御装置であり、この制御装置８０において、１０
は第２の無線装置、１１は第２の制御回路で、こ
れは第３合無線装置２と第２の無線装置１０又は
有線９とを切換えて接続する機能と、有線９の断
線を検出する機能とを有している。Ｄはこの第２
の制御回路１１に設けられ、有線９の断線を検出
するためのリレーであり、ｄ１はリレーＤの接点
である。６ｃ，６ｄは信号線である。そして上記
第１の制御装置７０と第２の制御装置８０とは、
有線９によつて電気的に接続されている。
An embodiment of the present invention will be described below with reference to the drawings. In FIG. 2, the same reference numerals as in FIG. 1 indicate the same parts. 70 is a first control device, and in this first control device 70, 7 is a first wireless device, and 8 is a first control circuit, which connects the controller 1 and the first wireless device 7 or a wired It has a function of switching and connecting the wire 9 and a function of detecting disconnection of the wire 9. C is a relay provided in this first control circuit 8 to detect disconnection of the wire 9, and c1
is the contact point of relay c. Further, 80 is a second control device, and in this control device 80, 10
11 is a second wireless device, and 11 is a second control circuit, which has the function of switching and connecting the third wireless device 2 and the second wireless device 10 or the wired wire 9, and detecting disconnection of the wired wire 9. It has the following functions. D is this second
This is a relay provided in the control circuit 11 for detecting disconnection of the wire 9, and d1 is a contact point of the relay D. 6c and 6d are signal lines. The first control device 70 and the second control device 80 are
It is electrically connected by a wire 9.
次に動作について説明する。 Next, the operation will be explained.
まず、有線９が正常に接続されている場合、即
ち断線していない場合には、制御回路８，１１の
各リレー接点ｃ１，ｄ１は第２図の実線で示す側
に倒れている。このような状態においては、一方
の通信機器である制御器１から送出された通信信
号と送信起動信号は、信号線６ａ−制御回路８の
リレー接点ｃ１−有線通信路Ａの有線９−第２の
制御装置８０の制御回路１１のリレー接点ｄ１−
信号線６ｂ−第３の無線装置２−無線回路５の経
路で他方の通信機器である無線装置３に受信され
る。逆に無線装置３から送信された通信信号は、
上述の経路とは逆経路を通り制御器１に受信され
る。この場合第１の無線装置７と第２の無線装置
１０の送信起動は禁止状態となる。 First, when the wire 9 is normally connected, that is, when there is no disconnection, the relay contacts c1 and d1 of the control circuits 8 and 11 are tilted toward the side shown by the solid line in FIG. 2. In such a state, the communication signal and transmission activation signal sent from the controller 1, which is one of the communication devices, are transmitted from the signal line 6a to the relay contact c1 of the control circuit 8 to the wire 9 of the wired communication path A to the second The relay contact d1- of the control circuit 11 of the control device 80 of
The signal is received by the wireless device 3, which is the other communication device, through the signal line 6b--third wireless device 2--radio circuit 5 path. Conversely, the communication signal transmitted from the wireless device 3 is
The signal is received by the controller 1 through a path opposite to the above-mentioned path. In this case, transmission activation of the first wireless device 7 and the second wireless device 10 is prohibited.
次に何らかの原因で有線９が断線した場合は、
第１、第２の制御回路８，１１の各リレー接点ｃ
１，ｄ１は第２図の破線で示す側に倒れる。従つ
て、制御器１から送出された通信信号と送信起動
信号は、信号線６ａ−制御回路８のリレー接点ｃ
１−第１の無線装置７−無線通信路Ｂ−第２の制
御装置８０の第２の無線装置１０−制御回路１１
のリレー接点ｄ１−信号線６ｂ−第３の無線装置
２−無線回路５の経路で無線装置３に受信され
る。また逆に無線装置３から送信された通信信号
は、上記経路の逆経路を通り制御器１に受信され
る。 Next, if wire 9 is disconnected for some reason,
Each relay contact c of the first and second control circuits 8 and 11
1, d1 falls to the side shown by the broken line in FIG. Therefore, the communication signal and transmission start signal sent from the controller 1 are transmitted from the signal line 6a to the relay contact c of the control circuit 8.
1-First wireless device 7-Wireless communication path B-Second wireless device 10 of second control device 80-Control circuit 11
The signal is received by the wireless device 3 through the relay contact d1 - the signal line 6b - the third wireless device 2 - the wireless circuit 5. Conversely, a communication signal transmitted from the wireless device 3 is received by the controller 1 through a reverse route to the above route.
ここで、第３の無線装置２と第２の無線装置１
０における送信起動の相互の受け渡しは、リレー
接点ｄ１が接続された時のみ行なわれるものであ
る。従つて非接続の場合には第２の無線装置１０
の送信起動は禁止される。 Here, the third wireless device 2 and the second wireless device 1
Mutual exchange of transmission activation at 0 is performed only when relay contact d1 is connected. Therefore, in the case of no connection, the second wireless device 10
Activation of transmission is prohibited.
また第１の制御回路８と第２の制御回路１１と
は、第１の制御装置７０と第２の制御装置８０と
が有線９で正常に相互接続されている場合と、有
線９が断線し相互接続されなくなつた場合とを検
出する機能、及び信号線の切換機能を有してい
る。 Further, the first control circuit 8 and the second control circuit 11 are connected to each other when the first control device 70 and the second control device 80 are normally interconnected by the wire 9, and when the wire 9 is disconnected. It has a function to detect when interconnection is no longer possible, and a function to switch signal lines.
この両制御回路８，１１の動作を説明すると、
該両制御回路８，１１のリレーＣ及びリレーＤは
正常バイアス電圧が誘起されて動作状態に有り、
この状態では各リレーＣ，Ｄの接点ｃ１，ｄ１は
有線通信路Ａ側に接続されている（第２図中実線
で示す状態）。そして有線９が断線すると、リレ
ーＣ及びリレーＤに正常バイアス電圧が誘起され
なくなり、その接点ｃ１，ｄ１は無線通信路Ｂ側
に接続される（第２図中破線で示す状態）。 The operation of both control circuits 8 and 11 will be explained as follows.
Relay C and relay D of both control circuits 8 and 11 are in an operating state with a normal bias voltage induced,
In this state, the contacts c1 and d1 of each relay C and D are connected to the wired communication path A side (the state shown by solid lines in FIG. 2). When the wire 9 is disconnected, the normal bias voltage is no longer induced in the relay C and the relay D, and the contacts c1 and d1 are connected to the wireless communication path B side (the state shown by the broken line in FIG. 2).
なお有線通信路Ａが復旧すれば、自動的に無線
通信路Ｂから有線通信路Ａに復帰するものであ
る。 Note that when the wired communication path A is restored, the wireless communication path B is automatically restored to the wired communication path A.
このような本実施例装置では、有線９が断線し
た場合、それを各制御回路８，１１のリレーＣ，
Ｄが検出して各制御装置７０，８０間の通信路を
有線通信路Ａから無線通信路Ｂに自動的に切替え
るようにしたので、有線の断線箇所を見つけてそ
れを修復するまでの復旧作業中であつても通信不
能の状態をなくすことができ、常に安定した通信
をすることができる。 In the device of this embodiment, when the wire 9 is disconnected, the relay C of each control circuit 8, 11
D detects it and automatically switches the communication path between the respective control devices 70 and 80 from wired communication path A to wireless communication path B, so recovery work until finding and repairing the wired disconnection point is possible. It is possible to eliminate communication failure even in the middle of the day, and stable communication can be maintained at all times.
なお上記実施例では、各制御回路における断線
検出と信号線の切換えとをリレーを用いて行なう
ようにしたが、これは必ずしもリレーに限られる
ものではない。 In the embodiments described above, disconnection detection and signal line switching in each control circuit are performed using relays, but this is not necessarily limited to relays.
以上のように、この発明に係る通信装置によれ
ば、２つの通信機器間で通信を行なう際に、第１
の制御装置と第２の制御装置との間に有線通信路
とともに無線通信路をも構成し、上記有線通信路
が断線した場合にはこれを検出して無線通信路に
切替えるようにしたので、有線が断線し有線通信
路が使用不能となつた場合にも無線通信路が確保
でき、常に安定した通信を行なうことができる効
果がある。
As described above, according to the communication device according to the present invention, when communicating between two communication devices, the first
A wireless communication path is configured in addition to a wired communication path between the control device and the second control device, and when the wired communication path is disconnected, this is detected and switched to the wireless communication path. Even if a wired communication path becomes unusable due to a wire breakage, a wireless communication path can be secured, and stable communication can be achieved at all times.
第１図は通信装置の構成図、第２図はこの発明
の一実施例による通信装置の構成図である。
７，１０……無線装置、８，１１……制御回
路、９……有線、５……無線回線、７０，８０…
…制御装置、Ａ……有線通信路、Ｂ……無線通信
路。なお図中、同一符号は同一又は相当部分を示
す。
FIG. 1 is a block diagram of a communication device, and FIG. 2 is a block diagram of a communication device according to an embodiment of the present invention. 7, 10... Wireless device, 8, 11... Control circuit, 9... Wired line, 5... Wireless line, 70, 80...
...Control device, A...Wired communication path, B...Wireless communication path. In the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
御を行なうよう設けられた第１の制御装置と、他
方の通信機器側に該機器に対し無線回線を介して
通信制御を行なうよう設けられた第２の制御装置
とを備え、上記両通信機器間で通信を行なう通信
装置であつて、上記第１、第２の制御装置間には
有線通信路が設けられ、該第１、第２の制御装置
は両者間に無線通信路を有する第１、第２の無線
装置をそれぞれ有し、かつ該第１、第２の制御装
置はそれぞれ上記有線通信路の断線を検出すると
ともに該断線検出時に上記両制御装置間の通信路
を上記無線通信路に切替え上記有線通信路復旧後
は上記通信路を該有線通信路に切替える第１、第
２の制御回路を有するものであることを特徴とす
る通信装置。1. A first control device provided on one communication device side to directly control communication to the device, and a first control device provided on the other communication device side to control communication to the device via a wireless line. a second control device, the communication device performs communication between both of the communication devices, wherein a wired communication path is provided between the first and second control devices; The control device has first and second wireless devices each having a wireless communication path therebetween, and the first and second control devices each detect a disconnection in the wired communication path, and when the disconnection is detected, It is characterized by having first and second control circuits that switch the communication path between the two control devices to the wireless communication path and, after the wired communication path is restored, switch the communication path to the wired communication path. Communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58192876A JPS6084028A (en) | 1983-10-14 | 1983-10-14 | Communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58192876A JPS6084028A (en) | 1983-10-14 | 1983-10-14 | Communication equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6084028A JPS6084028A (en) | 1985-05-13 |
| JPH0224419B2 true JPH0224419B2 (en) | 1990-05-29 |
Family
ID=16298441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58192876A Granted JPS6084028A (en) | 1983-10-14 | 1983-10-14 | Communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6084028A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63108247U (en) * | 1986-12-30 | 1988-07-12 | ||
| JPH01138198U (en) * | 1988-03-17 | 1989-09-21 | ||
| JPH0213030A (en) * | 1988-06-30 | 1990-01-17 | Sumitomo Electric Ind Ltd | Head end device |
| JPH0821913B2 (en) * | 1988-06-30 | 1996-03-04 | 住友電気工業株式会社 | CATV branch / distribution device |
| JP3015148B2 (en) * | 1991-07-05 | 2000-03-06 | 富士通株式会社 | Wireless paging method |
| JP4776637B2 (en) * | 2008-01-09 | 2011-09-21 | 三菱電機株式会社 | Communications system |
| KR101097015B1 (en) | 2010-04-01 | 2011-12-20 | 한국항공우주산업 주식회사 | System and method for repeating a digital microwave data |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS568342B2 (en) * | 1975-12-29 | 1981-02-23 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5580956U (en) * | 1978-11-28 | 1980-06-04 | ||
| JPS568342U (en) * | 1979-06-29 | 1981-01-24 |
-
1983
- 1983-10-14 JP JP58192876A patent/JPS6084028A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS568342B2 (en) * | 1975-12-29 | 1981-02-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6084028A (en) | 1985-05-13 |
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