JPH06141098A - Communication equipment for air conditioner - Google Patents

Abstract

PURPOSE:To reduce the number of connecting wires to reduce a connection space and to save the manpower of connection construction work by utilizing two signal wires and a telephone circuit for both the outdoor machine and plural indoor machines of a multi-room separated type air conditioner. CONSTITUTION:Information A which the outdoor machine 1 desires to transmit to a second indoor machine 3 is prepared as data A by an electronic controller 4, received through a transmitter 5 by the receiver 10 of a first indoor machine 2 and is sent to the electronic controller 8. The information to be sent to the indoor machine 3 is discriminated by the controller 8, sent to a telephone circuit connection device 11 and is superimposed on a telephone circuit pull-in cable 13. A signal A enters the telephone circuit pull-in cable 18 through a branching unit 14 and the telephone circuit 12 and is read by the telephone circuit connection device 16 of the indoor machine 3. In this way, the information A from the outdoor machine 1 is delivered to the indoor machine 3. Similarly, the information can be transmitted from the indoor machine 3 to the indoor machine 1 and from the outdoor machine 2 to the indoor machine 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to one outdoor unit,
The present invention relates to a communication device for a multi-room separation type air conditioner in which a plurality of indoor units are connected.

[0002]

2. Description of the Related Art In recent years, a multi-room separation type air conditioner is installed between an air conditioner separated into an outdoor unit and an indoor unit in order to realize a work efficiency in connection work and to reduce the size of the outdoor unit. It is required to reduce the number of connections.

Conventionally, the communication device of this type of air conditioner has been
The configuration shown in FIG. 2 has been common. The configuration will be described below with reference to FIG.

As shown in FIG. 2, in a multi-room separation type air conditioner comprising an outdoor unit 101, a first indoor unit 102 and a second indoor unit 103, a first electronic control unit provided in the outdoor unit 101. Reference numeral 113 forms and configures information to be sent to the first indoor unit 102 as first data or information to be sent to the second indoor unit 103 as second data, and the first data and the second data are respectively described above. A third transmitting / receiving device 105 and a second transmitting / receiving device 106 which are connected to the first electronic control device 113 are informed, and the third transmitting / receiving device 105 and the second transmitting / receiving device 106 transmit the third signal. Of the first indoor unit 102 or the second data
This is a device that performs analysis processing as information from the indoor unit 103. The first transmission / reception device 105 transmits the first data created and configured by the first electronic control unit 113 to the first data.
Of the indoor unit 102 via the first signal line 109 as a first signal, and also receives the third signal sent from the first indoor unit 102 via the first signal line 109. However, it is a device for transmitting the third data to the first electronic control unit 113. Further, the second transmission / reception device 106 outputs the second data created and configured by the first electronic control device 113 to the second indoor unit 103 as a third signal via the second signal line 110. While transmitting, the second indoor unit 10 is transmitted via the second signal line 110.
3 is a device for receiving the fourth signal sent from the device 3 and transmitting it as the fourth data to the first electronic control unit 113.

The second electronic control unit 114 provided in the first indoor unit 102 includes an outdoor unit 101 and a second indoor unit 10.
The information transmitted to the third transmission / reception device 107 is created and configured as the third data, transmitted to the third transmission / reception device 107 connected to the second electronic control device 114, and transmitted from the third transmission / reception device 107. The data of 1 is the outdoor unit 101 or the second
This is a device that performs analysis processing as information from the indoor unit 103. The third transmitter / receiver 107 outputs the third data created and configured by the second electronic control unit 114 as a third signal via the first signal line 109 to the outdoor unit 1
01, and also receives the first signal sent from the outdoor unit 101 via the first signal line 109 and transmits it as the first data to the electronic control unit 114.

The third electronic control unit 115 provided in the second indoor unit 103 includes an outdoor unit 101 and a first indoor unit 10.
The information to be sent to the second transmission / reception device 4 is created and configured as the fourth data, transmitted to the fourth transmission / reception device 108 connected to the third electronic control device 115, and transmitted from the fourth transmission / reception device 108. This is a device that analyzes and processes the data of No. 2 as information from the outdoor unit 101 or the first indoor unit 102. The fourth transmission / reception device 108 transmits the second data created and configured by the third electronic control device 115 to the outdoor unit 101 as the second signal via the second signal line 110. , The second signal line 110
It is a device that receives the fourth signal sent from the outdoor unit 101 via the and transmits it to the third electronic control unit 115.

Further, the AC power source 104 is used as an indoor / outdoor unit, that is, the outdoor unit 101, the first indoor unit 102, and the second indoor unit 10.
3 In order to use a common power source, take it into the outdoor unit 101,
The outdoor unit 101, the first indoor unit 102, and the second indoor unit 10
The AC power supply 104 is taken into the first indoor unit 102 and the second indoor unit 103 by using the power supply lines 111 and 112 respectively connected between the three.

With the above structure, the information A that the outdoor unit 101 wants to convey to the second indoor unit 103 is the first electronic control unit 1.
13 is created and configured as the first data A and transmitted to the second transmission / reception device 106, and is transmitted as the second signal A by the second transmission / reception device 106 to the second signal line 110 to generate the second indoor unit Fourth transmission / reception device 1 provided in 103
08, the second signal A is received and sent to the third electronic control unit 115 as the second data A, and the third electronic control unit 115 determines that the second data A is the information A,
Information A from the outdoor unit 101 is delivered to the second indoor unit 103.

On the contrary, the second indoor unit 103 is the outdoor unit 10
The information B to be transmitted to 1 is also the reverse path (third electronic control device 115, fourth transmission / reception device 108, second signal line 1).
10, second transmission / reception device 106, first electronic control unit 1
13 order) to the outdoor unit 101.

Information C that the first indoor unit 2 wants to convey to the outdoor unit 101 is created and configured as third data C by the second electronic control unit 114 provided in the first indoor unit 2. The third transmission / reception device 107 transmits the third signal C to the first signal line 109, and the first transmission / reception device 105 provided in the outdoor unit 101.
Receives the third signal C and sends it to the electronic control unit 113 as the third data C. The first electronic control unit 113 determines that the third data C is the information C, and the first indoor unit 10
The information C from 2 is delivered to the outdoor unit 101.

On the contrary, the outdoor unit 101 is the first indoor unit 10
The information D to be transmitted to the communication path 2 is also the reverse path (first electronic control device 113, first transmission / reception device 105, first signal line 1).
09, the third transmission / reception device 107, the second electronic control unit 1
14 order) to the first indoor unit 102.

Further, the information E that the first indoor unit 102 wants to convey to the second indoor unit 103 is also created as the third data E by the second electronic control unit 113 provided in the first indoor unit 102. Configured and transmitted to the third transceiver 107,
The third signal E is transmitted to the first signal line 109 by the third transmitter / receiver 107, and the third signal E is received by the first transmitter / receiver 105 provided in the outdoor unit 101 to receive the first electronic signal. The third data E is sent to the control device 113. In the first electronic control unit 113, the first indoor unit 102 transfers the third data E to the second indoor unit 10
It is determined that the information E is to be sent to the third data E3, and this information E is created and configured as the second data E and transmitted to the second transmission / reception device 106. The second indoor unit 10 is transmitted to the signal line 110.
The second signal E is received by the fourth transmission / reception device 108 provided in No. 3, and is sent to the third electronic control unit 115 as the second data E. The third electronic control unit 115 outputs the second data E. E is determined to be information E, and the first indoor unit 102
The information E from is delivered to the second indoor unit 103.

On the contrary, the information F desired to be transmitted from the second indoor unit 103 to the first indoor unit is also in the opposite route (third electronic control unit 115, fourth transmitting / receiving unit 108, second signal line). 1
10, second transmission / reception device 106, first electronic control unit 1
13, the first transmission / reception device 105, the first signal line 109,
It is delivered to the first indoor unit 102 by the third transmission / reception device 107 and the second electronic control device 114 in this order.

[0014]

In such a conventional communication device for a multi-room separation type air conditioner, a power supply line and a signal line are required for connection between the outdoor unit and the indoor unit. Has a problem in that it requires a space for connecting the signal line and the power supply line corresponding to a plurality of indoor units, and that the wiring work is troublesome.

The present invention solves the above problems by reducing the number of connections between an outdoor unit and an indoor unit of a multi-room separation type air conditioner, and by providing a signal line and a power source corresponding to a plurality of indoor units provided in the outdoor unit. It is an object of the present invention to provide a communication device for an air conditioner that can reduce the wiring space for wires and also realize work efficiency in wiring work.

[0016]

In order to achieve the above object, a communication device for an air conditioner according to the present invention has a plurality of indoor units connected to one outdoor unit, each of which serves as an independent AC power source. A first electronic control unit provided in the outdoor unit of the connected multi-room separation type air conditioner, and a first electronic control unit connected to the outdoor unit by a signal line as a representative unit among the plurality of indoor units. A first transmitting device connected to the first electronic control unit for sending information to the indoor unit of the above through the signal line, and sent from the first indoor unit to the outdoor unit through the signal line. A first receiving device connected to the first electronic control device for receiving incoming information, a second electronic control device provided in the first indoor unit, and the outdoor unit via the signal line. A second transmission device connected to the second electronic control device for transmitting information by using the outdoor unit. Second connected to said second electronic control unit for receiving information sent via the signal line
And a plurality of indoor units other than the first indoor unit, which are connected to the first indoor unit by a general telephone line previously installed (hereinafter, referred to as a second indoor unit group) To transmit information to the telephone line, or to superimpose a telephone line code signal on the telephone line, or to read the telephone line code signal superimposed from the second indoor unit group through the telephone line, the second electronic A first telephone line connection device connected to the control device, a third electronic control device provided in each indoor unit of the second indoor unit group, and a device other than this indoor unit and the first indoor unit. Information sent to a plurality of indoor units (hereinafter referred to as other indoor units), the outdoor unit or the first indoor unit is superimposed on the telephone line as a code signal for the telephone line, or the first signal is transmitted. Connect the telephone line from the indoor unit or the other indoor unit. Flip and is obtained by the structure having the second telephone line connection apparatus connected to the third electronic control unit for reading a code signal for the telephone line coming superimposed.

[0017]

According to the present invention, due to the above-described structure, only two signal lines are connected between the outdoor unit and the indoor unit of the multi-room separation type air conditioner, and other signal lines are already installed. It is only necessary to connect one cable line to the telephone line of, and it is possible to individually connect the power line to each outdoor unit and indoor unit.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.

As shown in FIG. 1, in a multi-room separation type air conditioner comprising an outdoor unit 1, a first indoor unit 2 and a second indoor unit 3, a first electronic control unit 4 provided in the outdoor unit 1 Is the first
The information to be sent to the indoor unit 2 and the second indoor unit 3 is created and configured as the first data, transmitted to the first transmission device 5 connected to the first electronic control unit 4, and the first This is a device for analyzing and processing the second data sent from the first receiving device 6 connected to the electronic control unit 4 as information from the first indoor unit 2 or the second indoor unit 3. The transmission device 5 transmits the first data created and configured by the electronic control device 4 to the first indoor unit 2 via the signal line 6 as a first data.
A device for transmitting as a signal of the first receiving device 7
On the contrary, is a device that receives the second signal sent from the first indoor unit 2 via the signal line 6 and transmits it to the first electronic control unit 4 as the second data. .

The second electronic control unit 8 provided in the first indoor unit 2 uses the information sent to the outdoor unit 1 as the second data and the information sent to the second indoor unit 3 as the third data. The second data to be sent to the outdoor unit 1 is transmitted to the second transmission device 9 connected to the second electronic control unit 8 and similarly connected to the second electronic control unit 8. The third data to be sent to the second indoor unit 3 is transmitted to the first telephone line connection device 11 that has been set up, and is sent from the second receiving device 10 that is connected to the second electronic control unit 8. A device for analyzing and processing the incoming first data as information from the outdoor unit 1 and the fourth data sent from the first telephone line connection device 11 as information from the second indoor unit 3. Is. The second transmission device 9 is a device that transmits the second data created and configured by the second electronic control device 8 to the outdoor unit 1 as the second signal via the signal line 6. , The second receiving device 10, on the contrary,
This is a device that receives the first signal sent from the outdoor unit 1 via the signal line 6 and transmits it to the second electronic control unit 8.

The first telephone line connection device 11 is also provided.
Replaces the third data created and configured by the second electronic control unit 8 with a code signal for the first telephone line, and the first branching unit 14 in the general telephone line 12 installed in advance. A second telephone sent to the first indoor unit 2 superposed on the first telephone line pull-in cable 13 as a signal or superimposed on the first telephone line pull-in cable 13 connected via It is a device for reading the code signal for the line and sending the fourth data to the second electronic control unit 8.

The third electronic control unit 15 provided in the second indoor unit 3 creates and transmits information to be sent to the outdoor unit 1 and the first indoor unit 2 as fourth data, and this third electronic control The second data is transmitted to the second telephone line connection device 16 connected to the device 15, and the third data sent from the second telephone line connection device 16 is transmitted from the outdoor unit 1 and the first indoor unit 2. It is a device that performs analysis processing as information. The second telephone line connection device 16 replaces the third data created and configured by the third electronic control device 15 with the code signal for the second telephone line, and the second telephone line 12 is connected to the second telephone line 12.
The signal is superposed as a signal on the second telephone line pull-in cable 18 connected via the branch unit 17 of the above, or is sent to the second indoor unit 3 superposed on the second telephone line pull-in cable 18. It is a device for reading the code signal for the first telephone line and sending the data to the third electronic control unit 15.

The AC power sources 19, 20 and 21 connected to the outdoor unit 1, the first indoor unit 2 and the second indoor unit 3, respectively,
The power is supplied to each of the outdoor unit 1, the first indoor unit 2, and the second indoor unit 3.

With the above configuration, the information A that the outdoor unit 1 wants to transmit to the second indoor unit 3 is created and configured as the first data A by the first electronic control unit 4 and transmitted to the first transmitting unit 5. , The first transmitter 5 transmits the first signal A to the signal line 6, and the second receiver 10 provided in the first indoor unit 2 receives the first signal A. The first data A is sent to the electronic control unit 8. This second
In the electronic control unit 8 of the outdoor unit 1
Determines that the information A is desired to be sent to the second indoor unit 3, creates and configures this information A as the third data A, and sends it to the first telephone line connection device 11, and the first telephone line connection device 11
Is replaced with the code signal A for the first telephone line (hereinafter referred to as the first code signal A), and is superimposed on the first telephone line lead-in cable 13. The first code signal A superimposed on the first telephone line lead-in cable 13 is the first
Enter the telephone line 12 through the branch unit 14 of
Via the branching unit 17 of the second indoor unit 3 into the second telephone line pull-in cable 18 and the second telephone line connecting device 16 of the second indoor unit 3 When read, the third electronic control unit 15
The data A is sent after being replaced, and the third electronic control unit 15 determines that the third data A is the information A, and the information A from the outdoor unit 1 can be delivered to the second indoor unit 3. .

On the contrary, the information B that the second indoor unit 3 wants to convey to the outdoor unit 1 is also in the reverse path (third electronic control unit 1).
5, second telephone line connection device 16, second telephone line drop cable 18, second branch unit 17, telephone line 12, first branch unit 14, first telephone line drop cable 13, first The telephone line connection device 11, the second electronic control device 8, the second transmission device 9, the signal line 6, the first reception device 7, the first electronic control device 4 (in this order) can be delivered to the outdoor unit 1. it can.

The information C that the first indoor unit 2 wants to convey to the outdoor unit 1 is created and configured as the second data C by the second electronic control unit 8 provided in the first indoor unit 2. 2 is transmitted to the second transmission device 9, the second transmission device 9 transmits the second signal C to the signal line 6, and the first signal provided in the outdoor unit 1
The second receiving device 7 receives the second signal C and sends it as the second data C to the first electronic control unit 4, and the first electronic control unit 4 judges that the second data C is the information C. Is the first
The information C from the indoor unit 2 can be delivered to the outdoor unit 1.

On the contrary, the information D desired to be transmitted from the outdoor unit 1 to the first indoor unit 2 is also the reverse path (the first electronic control unit 4,
It can be delivered to the first indoor unit 2 by the first transmitting device 5, the signal line 6, the second receiving device 10, and the second electronic control device 8 in this order.

Further, the first indoor unit 2 is replaced by the second indoor unit 3
Information E to be transmitted to the second indoor unit 2 provided in the first indoor unit 2 as well.
The electronic control unit 8 is configured to generate the third data E and sends it to the first telephone line connection device 11, and the first telephone line connection device 11 uses the code signal E for the first telephone line (hereinafter, It is replaced with the first code signal E) and superposed on the first telephone line service cable 13. The first code signal E superposed on the first telephone line lead-in cable 13 enters the telephone line 12 via the first branching unit 14, and passes through the second branching unit 17 into the second room. The second telephone line pull-in cable 18 that is pulled into the unit 3 will also enter the second telephone line 2 of the second indoor unit 3.
Is read by the telephone line connection device 16 of the above, and is sent after being replaced as the third data E by the third electronic control device 15. The third electronic control device 15 determines that the third data E is information E, The information E from the first indoor unit 2 can be delivered to the second indoor unit.

On the contrary, the information F from the second indoor unit 3 to the first indoor unit 2 also has a route (the third electronic control unit 1) which is the reverse of the above.
5, second telephone line connection device 16, second telephone line drop cable 18, second branch unit 17, telephone line 12, first branch unit 14, first telephone line drop cable 13, first The telephone line connection device 11 and the second electronic control device 8 can be delivered to the first indoor unit 2 in this order.

As described above, according to the communication device of the air conditioner of the embodiment of the present invention, the outdoor unit 1, the first indoor unit 2, and the second indoor unit are used by using the two signal lines and the telephone line. Information can be communicated with the machine 3.

In the embodiment, the multi-room separation type air conditioner consisting of one outdoor unit and two indoor units has been described, but a multi-room unit consisting of three or more indoor units per one outdoor unit. Even in the case of the separation type air conditioner, devices similar to the second telephone line connection device 16 and the third electronic control device 15 provided in the second indoor unit 3 are also provided after the third indoor unit. Needless to say, it is possible to communicate information between all indoor and outdoor units as long as they are connected to a telephone line. Needless to say, can be used similarly.

[0032]

As is apparent from the above embodiments, according to the present invention, the connection between the outdoor unit and the indoor unit of the multi-room separation type air conditioner is achieved by utilizing the two signal lines and the telephone line. It is possible to reduce the number and reduce the size of the outdoor unit by reducing the connection space between the signal line and the power supply line that corresponds to multiple indoor units installed in the outdoor unit. It is possible to provide a communication device for an air conditioner that is effective.

[Brief description of drawings]

FIG. 1 is a connection diagram of a communication device of an air conditioner according to an embodiment of the present invention.

[Fig. 2] Conventional connection diagram

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outdoor unit 2 1st indoor unit 3 2nd indoor unit 4 1st electronic control apparatus 5 1st transmission apparatus 6 Signal line 7 1st receiving apparatus 8 2nd electronic control apparatus 9 2nd transmission apparatus 10 Second Receiving Device 11 First Telephone Line Connection Device 12 Telephone Line 15 Third Electronic Control Device 16 Second Telephone Line Connection Device 19 AC Power Supply 20 AC Power Supply 21 AC Power Supply

Claims (1)

[Claims] 1. A first electronic control provided in the outdoor unit of a multi-room separation type air conditioner in which a plurality of indoor units are connected to one outdoor unit and each is connected to an independent AC power source. A device and a first electronic control unit that sends information via a signal line to a first indoor unit connected to the outdoor unit by a signal line as a representative unit of the plurality of indoor units And a first transmitter for receiving information transmitted from the first indoor unit to the outdoor unit via the signal line.
A first receiving device connected to the electronic control device, a second electronic control device provided in the first indoor unit, and the second electronic device for sending information to the outdoor unit via the signal line. A second transmission device connected to the control device; a second reception device connected to the second electronic control device for receiving information sent from the outdoor unit via the signal line; First
A plurality of indoor units other than the first indoor unit (hereinafter referred to as the second indoor unit) connected to the indoor unit of
(Referred to as an indoor unit group of the above), a code signal for a telephone line is superimposed on the telephone line to send information, or the second
Of the indoor unit group, the first telephone line connecting device connected to the second electronic control unit for reading the code signal for the telephone line superimposed through the telephone line, and the second indoor unit group. A third electronic control device provided in the indoor unit, a plurality of indoor units other than this indoor unit and the first indoor unit (hereinafter referred to as other indoor units), the outdoor unit or the first indoor unit. Information to be sent to the indoor unit is superimposed on the telephone line as a code signal for the telephone line, or a code signal for the telephone line superimposed from the first indoor unit or the other indoor unit through the telephone line is added. A communication device for an air conditioner, comprising a second telephone line connection device connected to the third electronic control device for reading.