JPH06123478A - Non-polar two-wire type indoor and outdoor communication method for separate type air conditioner - Google Patents
Non-polar two-wire type indoor and outdoor communication method for separate type air conditionerInfo
- Publication number
- JPH06123478A JPH06123478A JP4269844A JP26984492A JPH06123478A JP H06123478 A JPH06123478 A JP H06123478A JP 4269844 A JP4269844 A JP 4269844A JP 26984492 A JP26984492 A JP 26984492A JP H06123478 A JPH06123478 A JP H06123478A
- Authority
- JP
- Japan
- Prior art keywords
- air conditioner
- terminal
- power signal
- indoor
- indoor unit
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/32—Details or features not otherwise provided for preventing human errors during the installation, use or maintenance, e.g. goofy proof
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、セパレート型空気調和
機の直流電源による室内機と室外機の間の電力および信
号の２線式無極性通信方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a two-wire non-polarity communication method of electric power and signals between an indoor unit and an outdoor unit by a DC power source of a separate type air conditioner.
【０００２】[0002]
【従来の技術】近年、セパレート型空気調和機の直流電
源による室内機、室外機の２線式の電力および信号通信
において、工事性及び誤接続時の安全性のために電力信
号通信接続線が誤接続されても空気調和機が正常に動作
することが求められている。2. Description of the Related Art In recent years, in a two-wire type power and signal communication of an indoor unit and an outdoor unit by a DC power source of a separate type air conditioner, a power signal communication connecting line has been provided for workability and safety in case of incorrect connection. The air conditioner is required to operate normally even if it is connected incorrectly.
【０００３】従来、この種のセパレート型空気調和機の
直流電源による室内機と室外機の電力信号通信の接続は
方向性を持っているのが一般的である。以下、その構成
について図３を参照しながら説明する。Conventionally, the connection of power signal communication between the indoor unit and the outdoor unit by the DC power source of this type of separate air conditioner is generally directional. The configuration will be described below with reference to FIG.
【０００４】図に示すようにセパレート型空気調和機の
室外機１０１に設けられた室外機電力信号（＋）端子１
０２、（−）端子１０３、それぞれが、セパレート型空
気調和機の室内機１０４に設けられた室内機電力信号
（＋）端子１０５、（−）端子１０６、それぞれに
（＋）、（−）の極性を合わせて、２本の電力信号通信
線１０７により接続されている。そして、室内機電力信
号（＋）端子１０５、（−）端子１０６から室内機電力
信号回路（＋）端子１０５、（−）端子１０６それぞれ
に（＋）、（−）の極性に合わせて接続されている。As shown in the figure, the outdoor unit power signal (+) terminal 1 provided in the outdoor unit 101 of the separate type air conditioner.
02, (-) terminal 103, respectively, the indoor unit power signal (+) terminal 105, (-) terminal 106 provided in the indoor unit 104 of the separate type air conditioner, (+), (-) of They are connected by two power signal communication lines 107 with matching polarities. The indoor unit power signal (+) terminal 105 and the (-) terminal 106 are connected to the indoor unit power signal circuit (+) terminal 105 and the (-) terminal 106, respectively, in accordance with the polarities of (+) and (-). ing.
【０００５】上記構成において、室外機電力信号（＋）
端子１０２から室内機電力信号（＋）端子１０５へ電流
が流れ、次に、室内機電気回路（＋）端子１０８へ電流
が流れ、その次に、室内機制御回路１０９を経て室内機
電気回路（−）端子１１０から室内機電力信号（−）端
子１０６へ、そして、室外機電力信号（−）端子１０３
へ電流が流れる。このようにして室外機１０１から室内
機１０４へ電力供給される。このとき、電流の流れる方
向と同一方向に信号通信も電力供給に重畳され、室外機
１０１と室内機１０４との双方向通信が行われている。In the above structure, the outdoor unit power signal (+)
A current flows from the terminal 102 to the indoor unit power signal (+) terminal 105, then a current flows to the indoor unit electric circuit (+) terminal 108, and then through the indoor unit control circuit 109 to the indoor unit electric circuit ( -) Terminal 110 to indoor unit power signal (-) terminal 106, and outdoor unit power signal (-) terminal 103
Current flows to. In this way, electric power is supplied from the outdoor unit 101 to the indoor unit 104. At this time, signal communication is also superimposed on the power supply in the same direction as the direction of current flow, and bidirectional communication between the outdoor unit 101 and the indoor unit 104 is performed.
【０００６】[0006]
【発明が解決しようとする課題】このような従来のセパ
レート型空気調和機の直流電源による室内機１０４、室
外機１０１の間の２線式の電力及び信号通信では、室内
機１０４と室外機１０１とを接続する２本の電力信号通
信線１０７の接続には、方向性があり誤接続を行うと室
内機制御回路１０９、もしくは、室外機の電気回路の破
損の恐れがあった。その結果、セパレート型空気調和機
は正常に動作することはできないという課題があった。In the two-wire power and signal communication between the indoor unit 104 and the outdoor unit 101 by the DC power source of such a conventional separate type air conditioner, the indoor unit 104 and the outdoor unit 101 are used. The connection between the two power signal communication lines 107 for connecting the and is directional, and there is a risk that the indoor unit control circuit 109 or the electric circuit of the outdoor unit may be damaged if the incorrect connection is made. As a result, there is a problem that the separate type air conditioner cannot operate normally.
【０００７】本発明は上記課題を解決するもので、セパ
レート型空気調和機の室内機と室外機を接続する２本の
電力信号通信線が誤接続されても空気調和機が正常に動
作することができるセパレート型空気調和機の無極性２
線式室内外通信方法を提供することを目的としている。The present invention solves the above-mentioned problems, and the air conditioner operates normally even if two power signal communication lines connecting the indoor unit and the outdoor unit of the separate type air conditioner are erroneously connected. Non-polarity of separate type air conditioner that can do 2
It is an object of the present invention to provide a wire type indoor / outdoor communication method.
【０００８】[0008]
【課題を解決するための手段】本発明は上記目的を達成
するためにセパレート型空気調和機の室外機と室内機と
の２本の電力信号通信線の間にダイオードと電磁リレー
の励磁コイルを設け、２本の電力信号通信線の接続が誤
接続であるならば電磁リレーにより室内機電気回路への
電力信号供給方向を正常な方向に切り換える構成とした
ものである。In order to achieve the above object, the present invention provides a diode and an exciting coil of an electromagnetic relay between two power signal communication lines of an outdoor unit and an indoor unit of a separate type air conditioner. If the connection of the two power signal communication lines is erroneous, the electromagnetic relay switches the power signal supply direction to the indoor unit electric circuit to the normal direction.
【０００９】[0009]
【作用】本発明は上記した構成により、セパレート型空
気調和機の室内機と室外機の間の電力信号通信線が誤接
続されても、誤接続をダイオードのＯＮにより検知し、
電磁リレーにより室内機への電力供給を正常な方向へ切
り換えることにより空気調和機が正常に動作することが
できるものである。According to the present invention, with the above configuration, even if the power signal communication line between the indoor unit and the outdoor unit of the separate type air conditioner is erroneously connected, the erroneous connection is detected by turning on the diode,
The air conditioner can operate normally by switching the power supply to the indoor unit in the normal direction by the electromagnetic relay.
【００１０】[0010]
【実施例】以下、本発明の一実施例について、図１およ
び図２を参照しながら説明する。なお、従来例に符した
符号と同一符号は同一物を示し説明は省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The same reference numerals as those used in the conventional example indicate the same items, and the description thereof will be omitted.
【００１１】図１に示すようにセパレート型空気調和機
の室外機１０１に設けられた室外機電力信号（＋）端子
１０２、（−）端子１０３とそれぞれが、セパレート型
空気調和機の室内機１０４に設けられた室内機電力信号
（＋）端子１０５、（−）端子１０６に接続されてい
る。また、それぞれに（＋）、（−）の極性を考慮せず
に、２本の電力信号通信線１０７により接続する。次
に、ダイオードと電磁リレーからなる電力信号供給方向
切り替え回路１の入力（＋）端子２，（−）端子３に室
内機電力信号（＋）端子１０５、（−）端子１０６が極
性を合わせて接続され、さらに電力信号供給方向切り替
え回路１を介して電力信号供給方向検知切り替え回路出
力（＋）端子４、（−）端子５のそれぞれが、室内機電
気回路１０９の（＋）端子１０８、（−）端子１１０、
それぞれに極性を合わせて接続されている。そして、図
２に示すように電力信号供給方向検知切り替え回路１で
は、まず、電力信号供給方向検知切り替え回路の入力
（＋）端子２と電磁リレー６のコモン（ａ）７と接続さ
れている。また、電力信号供給方向検知切り替え回路１
の入力（−）端子３が電磁リレーのコモン（ｂ）８と接
続されている。そして、ダイオード９と電磁リレーのコ
イル側１０とで構成される直列回路１１がダイオード９
のカソード側が電磁リレー６のコモン（ａ）７と、他方
の電磁リレー６のコイル側１０が電磁リレー６のコモン
（ｂ）８と接続されている。次に、電磁リレー６のノー
マルクローズ（ａ）１２、ノーマルオープン（ｂ）１３
は電力信号供給方向検知切り替え回路出力（＋）端子４
と接続されている。その他方で、電磁リレー６のノーマ
ルクローズ（ｂ）１４、ノーマルオープン（ａ）１５は
電力信号供給方向検知切り替え回路出力（−）端子５に
接続されている。そして、電磁リレー６のコモン（ａ）
７はノーマルクローズ（ａ）１２と、コモン（ｂ）８は
ノーマルクローズ（ｂ）１４と電磁リレー６のコイル側
１０が励磁されてないとき接続され、その反対に、電磁
リレーのコイル側１０が励磁されていれば、電磁リレー
のコモン（ａ）７はノーマルオープン（ａ）１５と、コ
モン（ｂ）８はノーマルオープン（ｂ）１３と接続され
る構成となっている。As shown in FIG. 1, the outdoor unit power signal (+) terminal 102 and the (-) terminal 103 provided in the outdoor unit 101 of the separate type air conditioner are respectively the indoor unit 104 of the separate type air conditioner. Is connected to the indoor unit power signal (+) terminal 105 and the (-) terminal 106 provided in the. Further, the two power signal communication lines 107 are connected without considering the polarities of (+) and (-). Next, match the polarities of the indoor unit power signal (+) terminal 105 and the (-) terminal 106 to the input (+) terminal 2 and (-) terminal 3 of the power signal supply direction switching circuit 1 including a diode and an electromagnetic relay. Further, the power signal supply direction detection switching circuit outputs (+) terminal 4 and (−) terminal 5 are connected to each other via the power signal supply direction switching circuit 1, and the (+) terminal 108 and ( -) Terminal 110,
They are connected with the same polarity. In the power signal supply direction detection switching circuit 1 as shown in FIG. 2, first, the input (+) terminal 2 of the power signal supply direction detection switching circuit and the common (a) 7 of the electromagnetic relay 6 are connected. In addition, the power signal supply direction detection switching circuit 1
The input (-) terminal 3 of is connected to the common (b) 8 of the electromagnetic relay. Then, the series circuit 11 composed of the diode 9 and the coil side 10 of the electromagnetic relay is connected to the diode 9
The cathode side of is connected to the common (a) 7 of the electromagnetic relay 6, and the coil side 10 of the other electromagnetic relay 6 is connected to the common (b) 8 of the electromagnetic relay 6. Next, the electromagnetic relay 6 is normally closed (a) 12 and normally open (b) 13.
Is the output (+) terminal 4 of the power signal supply direction detection switching circuit
Connected with. On the other hand, the normally closed (b) 14 and the normally open (a) 15 of the electromagnetic relay 6 are connected to the output (-) terminal 5 of the power signal supply direction detection switching circuit. Then, the common (a) of the electromagnetic relay 6
7 is connected to the normally closed (a) 12 and the common (b) 8 is connected to the normally closed (b) 14 when the coil side 10 of the electromagnetic relay 6 is not excited. On the contrary, the coil side 10 of the electromagnetic relay is connected. If excited, the common (a) 7 of the electromagnetic relay is connected to the normally open (a) 15 and the common (b) 8 is connected to the normally open (b) 13.
【００１２】上記構成において、室内機電力信号（＋）
端子１０５、（−）端子１０６に室外機電力信号（＋）
端子１０２、（−）端子１０３の極性が逆に誤接続され
ていれば、ダイオード９がＯＮし電磁リレーのコイル側
１０が励磁され、室外機電力信号（＋）端子１０２から
出力された電流が室内機電気回路（＋）端子１０８に入
力され、室内機電気回路１０９を経て室内機電気回路
（−）端子１０から室外機電力信号（−）端子１０３へ
電流が流れる回路構成を形成するようにリレーは動作す
る。また反対に、室内機電力信号（＋）端子１０５、
（−）端子１０６に室外機電力信号（＋）端子１０２、
（−）端子１０３の極性が正しく接続されていれば、ダ
イオード９は、ＯＮせず電磁リレーのコイル側１０は励
磁されず、このときも、室外機電力信号（＋）端子１０
２から出力された電流が室内機電気回路（＋）端子１０
８に入力され、室内機電気回路１０９を経て室内機電気
回路（−）端子１１０から室外機電力信号（−）端子１
０３へ電流が流れる回路構成を形成するようにリレーは
動作する。In the above structure, the indoor unit power signal (+)
Outdoor unit power signal (+) at terminals 105 and (-) terminal 106
If the polarities of the terminal 102 and the (−) terminal 103 are reversely connected, the diode 9 is turned on, the coil side 10 of the electromagnetic relay is excited, and the current output from the outdoor unit power signal (+) terminal 102 is increased. The indoor unit electric circuit (+) terminal 108 is inputted to form a circuit configuration in which a current flows from the indoor unit electric circuit (-) terminal 10 to the outdoor unit electric power signal (-) terminal 103 via the indoor unit electric circuit 109. The relay works. On the contrary, the indoor unit power signal (+) terminal 105,
The (-) terminal 106 has an outdoor unit power signal (+) terminal 102,
If the polarity of the (-) terminal 103 is properly connected, the diode 9 does not turn on and the coil side 10 of the electromagnetic relay is not excited. At this time as well, the outdoor unit power signal (+) terminal 10
The current output from 2 is the indoor unit electric circuit (+) terminal 10
8 through the indoor unit electrical circuit 109 to the indoor unit electrical circuit (-) terminal 110 and the outdoor unit power signal (-) terminal 1
The relay operates so as to form a circuit configuration in which a current flows to 03.
【００１３】このように本発明の実施例のセパレート型
空気調和機の無極性２線式室内外通信方法によれば、電
力信号通信線１０７が室内機１０４と室外機１０１の電
力信号端子１０２、１０３、１０５、１０６の極性を合
わせないで接続されても室内機電気回路１０９には、正
常に電力及び信号が印加され空気調和機は正常に動作す
ることが可能となる。As described above, according to the non-polar two-wire indoor / outdoor communication method for the separate type air conditioner of the embodiment of the present invention, the power signal communication line 107 includes the power signal terminal 102 of the indoor unit 104 and the outdoor unit 101. Even if the polarities of 103, 105, and 106 are connected without matching the polarities, power and signals are normally applied to the indoor unit electric circuit 109, and the air conditioner can operate normally.
【００１４】なお、実施例では、室外機側から室内機側
へ電力供給を行う場合を例に室内機に電力信号供給方向
検知切り替え回路１を設けたが、室内機側から電力供給
を行う場合、室外機側に電力信号供給方向検知切り替え
回路を設けることによりセパレート型空気調和機の室内
機と室外機を接続する２本の電力信号通信線が誤接続さ
れても空気調和機が正常に動作することができるセパレ
ート型空気調和機の無極性２線式無極性通信方法を提供
することができる。In the embodiment, the power signal supply direction detection switching circuit 1 is provided in the indoor unit as an example in which power is supplied from the outdoor unit side to the indoor unit side. However, when power is supplied from the indoor unit side. By installing a power signal supply direction detection switching circuit on the outdoor unit side, the air conditioner operates normally even if the two power signal communication lines connecting the indoor unit and the outdoor unit of the separate type air conditioner are connected incorrectly. It is possible to provide a non-polar two-wire non-polar communication method for a separate type air conditioner.
【００１５】[0015]
【発明の効果】以上の実施例から明らかなように、本発
明によればセパレート型空気調和機において電力供給を
受ける側の室内機にダイオードと電磁リレーにより室内
機電機回路への電力信号供給の方向を検知し電力信号供
給方向を切り換える構成としたから、室内機と室外機の
電力および信号線の接続を室外機からの電力供給と室内
機の電気回路への電力供給との極性を合わせなくとも、
空気調和機を正常に動作させることが可能となる。そし
て、セパレート型空気調和機の室内機と室外機の電力信
号通信線の誤接続の発生をなくすことができ、工事性お
よび安全性を向上させることが可能になるという効果の
あるセパレート型空気調和機の無極性２線式室内外通信
方法を提供することができる。As is apparent from the above embodiments, according to the present invention, a power signal is supplied to an indoor unit electric circuit by a diode and an electromagnetic relay in an indoor unit on the side of receiving power in a separate type air conditioner. Since the direction is detected and the power signal supply direction is switched, the power and signal lines of the indoor unit and outdoor unit do not have to be connected to the same polarity as the power supply from the outdoor unit and the power supply to the electric circuit of the indoor unit. Tomo
It becomes possible to operate the air conditioner normally. Further, it is possible to prevent erroneous connection of the power signal communication line between the indoor unit and the outdoor unit of the separate type air conditioner, and to improve the workability and safety. A non-polar two-wire indoor / outdoor communication method for a machine can be provided.
【図１】本発明の一実施例のセパレート型空気調和機の
無極性２線式室内外通信方法の室内機と室外機の接続図FIG. 1 is a connection diagram of an indoor unit and an outdoor unit of a non-polar two-wire indoor / outdoor communication method for a separate type air conditioner according to an embodiment of the present invention.
【図２】同電力信号供給方向検知切り替え回路図FIG. 2 is a circuit diagram of the same power signal supply direction detection switching circuit.
【図３】従来のセパレート型空気調和機の２線式室内外
通信方法の室内機と室外機の接続図FIG. 3 is a connection diagram of an indoor unit and an outdoor unit of a conventional two-wire indoor / outdoor communication method for a separate type air conditioner.
６ 電磁リレー ９ ダイオード １０１ セパレート型空気調和機室外機 １０４ セパレート型空気調和機室内機 6 Electromagnetic relay 9 Diode 101 Separate type air conditioner outdoor unit 104 Separate type air conditioner indoor unit
Claims (1)
る室内機と室外機の２線式の電力および信号通信でのダ
イオードと電磁リレーにより電流の流れる方向を室内機
と室外機の接続に対応して切り替えるセパレート型空気
調和機の無極性２線式室内外通信方法。1. A diode and an electromagnetic relay in a two-wire type electric power and signal communication of an indoor unit and an outdoor unit in a DC power source of a separate type air conditioner enable connection of the indoor unit and the outdoor unit in the direction of current flow. A non-polar two-wire indoor / outdoor communication method for separate air conditioners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4269844A JPH06123478A (en) | 1992-10-08 | 1992-10-08 | Non-polar two-wire type indoor and outdoor communication method for separate type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4269844A JPH06123478A (en) | 1992-10-08 | 1992-10-08 | Non-polar two-wire type indoor and outdoor communication method for separate type air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06123478A true JPH06123478A (en) | 1994-05-06 |
Family
ID=17477981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4269844A Pending JPH06123478A (en) | 1992-10-08 | 1992-10-08 | Non-polar two-wire type indoor and outdoor communication method for separate type air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06123478A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100691228B1 (en) * | 2005-07-26 | 2007-03-12 | 삼성전자주식회사 | Non-polar two-wire type indoor and outdoor communication device for multi type air conditioner |
| CN109028508A (en) * | 2018-06-01 | 2018-12-18 | 青岛海尔空调电子有限公司 | Air-conditioning line control machine power supply communication circuit |
-
1992
- 1992-10-08 JP JP4269844A patent/JPH06123478A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100691228B1 (en) * | 2005-07-26 | 2007-03-12 | 삼성전자주식회사 | Non-polar two-wire type indoor and outdoor communication device for multi type air conditioner |
| CN109028508A (en) * | 2018-06-01 | 2018-12-18 | 青岛海尔空调电子有限公司 | Air-conditioning line control machine power supply communication circuit |
| CN109028508B (en) * | 2018-06-01 | 2021-03-23 | 青岛海尔空调电子有限公司 | Power supply communication circuit of air conditioner wire controller |
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