JP2008180403A - Address setting device for air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an address setting device capable of setting addresses without performing address setting work even when address-determined indoor units and address-undetermined indoor units exist in a mixed state, and resetting the addresses only on the duplicate indoor units when the addresses are duplicated. <P>SOLUTION: This address setting device comprises an address reset starting means 16, address setting request signal returning means 18A-18C, address determining means 20A-20C, address duplicate signal output means 21A-21C and address resetting means 22A-22C. The addresses of the address-determined indoor units are redetermined first by making the priority of the address setting request signal returned by the address-determined indoor unit, higher than the address-undetermined indoor units, and then the address of the address-undetermined indoor units are successively determined. In a case when the addresses are duplicated, the address reset starting means is operated, so that the address of only the indoor unit of which the duplication of address is detected, is reset. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an address setting device for an air conditioner in which one outdoor unit and a plurality of indoor units are connected by a pair of communication lines.

Conventionally, as an address setting device of this type of air conditioner, there has been an apparatus in which an installer sets an address with a dip switch on a substrate when the air conditioner is installed (for example, see Patent Document 1). FIG. 4 shows the configuration of a conventional air conditioner address setting device described in Patent Document 1. In FIG. In FIG. 4, a plurality of indoor units 31A to 31C are connected to the outdoor unit 32 through a pair of communication lines 33, and addresses are set by dip switches 34A to 34C.
Japanese Patent Laid-Open No. 2-85643

  However, the conventional configuration requires an address setting operation when the air conditioner is installed, and has a problem that it does not operate normally if the address setting is incorrect. In addition, when adding indoor units, it was necessary to set addresses without duplicating existing indoor units.

  The present invention solves the above-described conventional problems, and even if an indoor unit whose address has been determined and an indoor unit whose status has not been determined are mixed, the outdoor unit and a plurality of indoor units are simply connected by a pair of communication lines. The purpose of the present invention is to provide an address setting device for an air conditioner that can set an address without performing address setting work, and can reset only the address of the indoor unit with the duplicated address when an address duplication occurs. To do.

  In order to solve the above-described conventional problems, an address setting device for an air conditioner according to the present invention is provided in an outdoor unit, an address setting start signal transmitting unit that transmits an address setting start signal to the indoor unit, and the indoor unit. Upon receiving an address setting start signal from the outdoor unit, an address setting request signal return means that returns an address setting request signal including arbitrary data, and the priority of the address setting request signal that is provided in the indoor unit is returned from other indoor units. A contention loss signal output means for outputting a contention loss signal when the priority of the address setting request signal returned simultaneously is lower than the priority, and an address confirmation signal when an address setting request signal is received from the indoor unit. Address confirmation signal return means and outdoor unit provided with no competition loss signal output from the competition loss signal output means provided in the indoor unit Address confirmation means for confirming the address when receiving the address confirmation signal from the address, and address duplication signal output for outputting the address duplication signal when it is detected that the confirmed address provided in the indoor unit is duplicated with the address of another indoor unit Means, an address reset start means for outputting an address reset start signal provided in the outdoor unit, and an address for transmitting an address reset signal to the indoor unit when an address reset start signal is output from the address reset start means provided in the outdoor unit The reset signal transmission means and the address that is provided in the indoor unit and the address duplication signal is output from the address duplication signal output means, and when the address reset signal is received from the outdoor unit, the confirmed address is reset and the address is returned to the unconfirmed address state. A reset means and an address-confirmed room Priority of the address setting request signal to reply of the machine are those higher than the priority of the address setting request signal to reply determined by the value of Address Address undetermined indoor unit.

As a result, when the outdoor unit transmits an address setting start signal, a plurality of indoor units connected to the communication line start transmitting an address setting request signal. The address is re-established, and then the address unconfirmed indoor unit sequentially receives the address confirm signal to confirm the address, and when the address reset start means is operated when address duplication occurs, the outdoor unit A reset signal is transmitted, and only the indoor unit whose address duplication is being detected is reset.

  The address setting device for an air conditioner according to the present invention can be configured by simply connecting an outdoor unit and a plurality of indoor units with a pair of communication lines, even if an address-confirmed indoor unit and an unconfirmed indoor unit coexist. The address can be set without performing the setting operation, and when the address overlap occurs, the address of only the indoor unit having the duplicate address can be reset.

  The present invention relates to an air conditioner in which one outdoor unit and a plurality of indoor units are connected by a pair of communication lines. Address setting start signal transmission is provided in the outdoor unit and transmits an address setting start signal to the indoor unit. Means, an address setting request signal return means for returning an address setting request signal including arbitrary data when an address setting start signal is received from the outdoor unit provided in the indoor unit, and an address setting request signal returned by the indoor unit. A competition losing signal output means for outputting a competition losing signal when the priority is lower than the priority of the address setting request signal returned simultaneously from another indoor unit, and an address setting request signal from the indoor unit provided in the outdoor unit. When received, the address confirmation signal return means for returning the address confirmation signal and the contention loss signal output means provided in the indoor unit are not output. When the address confirmation signal is received from the outdoor unit in the state, an address confirmation means for confirming the address and an address duplication signal are output when it is detected that the confirmed address provided in the indoor unit overlaps with the address of another indoor unit. Address duplication signal output means, address reset start means provided in the outdoor unit for outputting an address reset start signal, and when the address reset start signal is output from the address reset start means provided in the outdoor unit, the address reset signal to the indoor unit Address reset signal transmission means for transmitting the address and when the address reset signal is received from the outdoor unit while the address duplication signal is output from the address duplication signal output means provided in the indoor unit, the confirmed address is reset and the address is unconfirmed Address reset means for returning to the state. Priority of the address setting request signal to reply definite indoor unit is higher than the priority of the address setting request signal to reply determined by the value of Address Address undetermined indoor unit.

  As a result, when the outdoor unit transmits an address setting start signal, a plurality of indoor units connected to the communication line start transmitting an address setting request signal. And the address is confirmed again, and then the address unconfirmed indoor unit sequentially receives the address confirmation signal and confirms the address, and even if the address confirmed indoor unit and the unconfirmed indoor unit are mixed, the outdoor unit It is possible to set an address without performing address setting work by simply connecting a unit to a plurality of indoor units with a pair of communication lines, and operating the address reset start means when address duplication occurs. Sends an address reset signal, and the address is reset only for the indoor unit for which duplicate address detection is in progress. It is possible to re-set the address of the only.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the present embodiment.

(Embodiment 1)
FIG. 1 is a block diagram showing a configuration of an address setting device for an air conditioner according to Embodiment 1 of the present invention.

In FIG. 1, 11A to 11C are indoor units, 12 is an outdoor unit, and 13 is a plurality of indoor units 11A.
-11C and a pair of communication lines connecting the outdoor unit 12, 14 is an address setting start signal transmitting means for transmitting an address setting start signal to the indoor units 11A to 11C, and 15 is an address to the indoor unit that has transmitted the address setting request signal Address confirmation signal return means for returning a confirmation signal, 16 an address reset start means for outputting an address reset start signal, and 17 an address reset signal transmission for transmitting an address reset signal to the indoor units 11A to 11C in response to the input of the address reset start signal Means 18A to 18C are address setting request signal return means for returning an address setting request signal including arbitrary data upon reception of the address setting start signal. The priority order of the address setting request signal returned by the indoor unit whose address has been determined is Determined by the address value, returns the indoor unit whose address is not confirmed. It is set higher than the priority of the address setting request signal.

  19A to 19C, the priority of the address setting request signal returned from the address setting request signal return means 18A to 18C is higher than the priority of the address setting request signal returned simultaneously from the address setting request signal return means of the other indoor units. The competitive losing signal output means 20A-20C for outputting a competitive losing signal when it is lower than the competitive losing signal output means 19A-19C determines the address by receiving the address determining signal in a state where no competitive losing signal is output from the competitive losing signal output means 19A-19C. The address confirmation means, 21A to 21C, when detecting that the confirmed address is duplicated with the address of another indoor unit, outputs address duplication signal output means for outputting an address duplication signal, and 22A to 22C are address duplication signal output means 21A to 21A. Address reset signal when address duplication signal is output from 21C Reset the definite address by receiving the an address reset means for returning the address undetermined state.

  The operation and action of the air conditioner address setting apparatus configured as described above will be described below with reference to the flowcharts of FIGS.

  First, the indoor units 11A to 11C wait for reception of an address setting start signal in step I1. Then, when the outdoor unit 12 transmits an address setting start signal in step O1, the indoor units 11A to 11C proceed from step I1 to step I2 and start transmitting an address setting request signal. The priority order of the request signal and the address setting request signal transmitted by another indoor unit is compared. At this time, for example, if the address of the indoor unit 11A has been confirmed and the addresses of 11B and 11C have not been confirmed, the priority of the address setting request signal transmitted by 11A is the highest. Proceeding from step I4 to step I5, the transmission of the address setting request signal is completed, and the reception of the address determination signal is awaited in step I6.

  Further, the indoor units 11B and 11C proceed from step I4 to step I7 to output a competition losing signal, interrupt transmission of the address setting request signal at step I8, and return to step I2. On the other hand, the outdoor unit 12 receives the address setting request signal transmitted by the indoor unit 11A while waiting for the address setting request signal in step O2, and therefore proceeds to step O3 and transmits an address determination signal. As a result, the indoor unit 11A proceeds from step I6 to step I9 to determine the address, and at step I10, the indoor unit 11A enters a reception standby state for the address reset signal. Further, the outdoor unit 12 returns to step O2 because transmission of address determination signals for the number of connectable units is not completed in step O4.

  Thereafter, the indoor units 11B and 11C that have returned to step I2 and the outdoor unit 12 that has returned to step O2 repeat a series of operations, so that the indoor units 11B and 11C have the same priority order of the address setting request signal as the indoor unit 11A. Steps I9 are advanced to Step I9 to determine the address. At Step I10, an address reset signal reception standby state is established, and the outdoor unit 12 completes transmission of address determination signals for the number of connectable units at Step O4 or predetermined at Step O5. Depending on whether the time elapses, in step O6, the input reset SW standby state is entered.

  Next, when an address reset SW is input to the outdoor unit 12 in this state, the outdoor unit 12 proceeds to step O7, transmits an address reset signal, and returns to step O1. On the other hand, the indoor units 11A to 11C receive the address reset signal and proceed to step I11. If the address duplication is not detected, the indoor unit 11A to 11C returns to step I1 with the address already determined, and if the address duplication is being detected, step I12. After the address is reset and the address is indeterminate, the process returns to step I1.

  As described above, in the present embodiment, the address setting start signal transmitting unit 14 that transmits the address setting start signal to the indoor units 11A to 11C and the address confirmation signal are returned to the indoor unit that transmitted the address setting request signal. Address confirmation signal return means 15, address reset start means 16 for outputting an address reset start signal, address reset signal transmission means 17 for sending an address reset signal to the indoor units 11A to 11C upon input of the address reset start signal, The priority of the address setting request signal return means 18A to 18C for returning an address setting request signal including arbitrary data upon receipt of the setting start signal and the address setting request signal returned from the address setting request signal return means 18A to 18C are different. Address setting request signal return means for indoor units The contention loss signal output means 19A to 19C for outputting a contention loss signal when the priority of the address setting request signal returned simultaneously is lower than the priority order, and the contention loss signal output means 19A to 19C are not output. Address determining means 20A to 20C for determining an address by receiving an address determination signal at the address, and an address overlapping signal output means for outputting an address overlapping signal when it is detected that the determined address is duplicated with the address of another indoor unit 21A to 21C and address reset means 22A to 22C for resetting the confirmed address to return to the address unconfirmed state by receiving the address reset signal when the address duplication signal is output from the address duplication signal output means 21A to 21C The address of the indoor unit whose address has been confirmed Priority setting request signal is higher than the priority of the address setting request signal to reply determined by the value of Address Address undetermined indoor unit.

  As a result, when the outdoor unit transmits an address setting start signal, a plurality of indoor units connected to the communication line start transmitting an address setting request signal. And the address is confirmed again, and then the address unconfirmed indoor unit sequentially receives the address confirmation signal and confirms the address, and even if the address confirmed indoor unit and the unconfirmed indoor unit are mixed, the outdoor unit An address can be set without performing an address setting operation by simply connecting the unit and a plurality of indoor units with a pair of communication lines.

  If two or more indoor units have duplicated addresses that have been confirmed as a result of address setting request signals containing the same value of arbitrary data being returned, operating the address reset start means The unit transmits an address reset signal, and the address is reset only for the indoor unit in which the address duplication is being detected, and the address of only the indoor unit having the duplicated address can be reset.

  As described above, the address setting device for an air conditioner according to the present invention can connect an outdoor unit and a plurality of indoor units with a pair of communication lines even if an address-confirmed indoor unit and an unconfirmed indoor unit are mixed. By connecting, it is possible to set an address without performing address setting work, and when an address overlap occurs, it is possible to reset the address of only the indoor unit with the duplicate address. The present invention can also be applied to uses such as automatic setting of communication addresses in one remote control group control in which one indoor unit is connected to and controlled by one wired remote controller.

The block diagram which shows the structure of the address setting apparatus of the air conditioner in Embodiment 1 of this invention. The flowchart which shows operation | movement and an effect | action of the address setting apparatus of the air conditioner in Embodiment 1 of this invention. Same as above, continued flowchart The block diagram which shows the structure of the address setting apparatus of the conventional air conditioner

Explanation of symbols

11A to 11C Indoor unit 12 Outdoor unit 13 Communication line 14 Address setting start signal transmitting means 15 Address confirmation signal returning means 16 Address reset starting means 17 Address reset signal transmitting means 18A to 18C Address setting request signal returning means 19A to 19C Competitive loss signal Output means 20A to 20C Address determination means 21A to 21C Address duplication signal output means 22A to 22C Address reset means

Claims (1)

In an air conditioner in which one outdoor unit and a plurality of indoor units are connected by a pair of communication lines, an address setting start signal transmitting means provided in the outdoor unit for transmitting an address setting start signal to the indoor unit, When the address setting start signal is received from the outdoor unit provided in the unit, the address setting request signal return means for returning an address setting request signal including arbitrary data, and the priority order of the address setting request signal provided in the indoor unit are different. When the priority of the address setting request signal returned simultaneously from the indoor unit is lower than the priority order of the address setting request signal, a contention losing signal output means for outputting a contention losing signal, and an address determination when receiving the address setting request signal from the indoor unit provided in the outdoor unit Address confirmation signal return means for returning a signal and a state in which no competition loss signal is output from the contention loss signal output means provided in the indoor unit Address determination means for determining the address when an address determination signal is received from the outdoor unit, and address duplication for outputting an address duplication signal when it is detected that the determined address provided in the indoor unit overlaps with the address of another indoor unit A signal output means, an address reset start means provided in the outdoor unit for outputting an address reset start signal, and an address reset start signal provided in the outdoor unit when the address reset start signal is output from the address reset start means. Address reset signal transmission means for transmitting and receiving an address reset signal from the outdoor unit in a state where the address duplication signal is output from the address duplication signal output means provided in the indoor unit, reset the confirmed address and the address is unconfirmed Address reset means for returning to the state. The air conditioner is characterized in that the priority of the address setting request signal returned by the confirmed indoor unit is determined by the address value and is higher than the priority of the address setting request signal returned by the indoor unit whose address has not been confirmed. Address setting device.

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