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Air conditioner

An air-conditioning device and indoor unit technology, which is applied in transportation and packaging, space heating and ventilation, heating methods, etc., and can solve problems such as inability to resume operation smoothly

Inactive Publication Date: 2007-02-21
SANYO ELECTRIC CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The problem to be solved is that if a non-volatile storage device such as EEPROM is used, before the air conditioner reaches the service life, data cannot be erased and must be replaced. When it comes back up, I'm afraid it won't work smoothly with multiple connections

Method used

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Examples

Experimental program
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Embodiment 1

[0023] Next, use figure 1 6 illustrates an embodiment of the air conditioner of the present invention. figure 1 It is a control circuit diagram of the air conditioner in the present invention. figure 2 It is the flow of transmission of the remote control. image 3 It is a flow chart of operation recovery. Figure 4 It is a flowchart of a modified example of operation recovery, Figure 5 It is a schematic diagram of a multi-connected air conditioner, Fig. 6 is a sequence diagram of the air conditioner, Fig. 6(a) is a diagram for the case of no recovery operation, and Fig. 6(b) corresponds to image 3 The diagram of the flow chart, Figure 6(c) is the same as Figure 4 The corresponding diagram of the process. In addition, in figure 1 In , the illustration of the indoor unit B is omitted.

[0024] First, the overall structure of the multi-connection air conditioner will be described.

[0025] exist figure 1 as well as Figure 5 Here, the air conditioner includes an o...

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PUM

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Abstract

A multi-connection air conditioner is caused to smoothly resume the operation thereof after an electric power recovery without using a nonvolatile memory device such as an EEPROM. An operation power source is backed up by a battery on remote controllers (2, 3), and the remote controllers thus transmit a periodic transmission signal containing an instructed operation mode at a predetermined time interval. When operation resuming means receives the periodic transmission signal from the remote controller while the indoor units (A, B) are stopped after an electric power recovery, If an Instructed operation mode is a manual mode, the operation resuming means resumes the operations of the outdoor unit (1) and a corresponding indoor unit upon a first periodic transmission signal, and alternatively if the instructed operation mode is an automatic mode, the operation resuming means resumes the operations of the outdoor unit and the corresponding indoor unit upon a second periodic transmission signal.

Description

technical field [0001] The present invention relates to an air conditioner, in particular to an operation recovery component after a power failure in an air conditioner in which a plurality of indoor units are connected to an outdoor unit. Background technique [0002] Conventionally, as shown in FIG. 6(a), in an air-conditioning device such as a room air conditioner, after an operation signal is output from a remote controller to start operation, when a momentary power failure occurs, even if the power supply is restored, the microcomputer (i.e., the microcomputer of the air-conditioning device body) , microcomputer) was initialized due to a power failure, so it remains in a stopped state after that. However, since power outages frequently occur in areas with poor power supply conditions, it is desirable that the operation of the air conditioner be automatically resumed when the power supply is restored. Therefore, for example, Patent Document 1 or Patent Document 2 disclo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/02F24F11/00
CPCF24F11/0086F24F2011/0068F24F11/30F24F11/56B02C18/18B30B9/02B09B3/00B09B2101/02
Inventor 鳗田洋章松本公一鸢幸生
Owner SANYO ELECTRIC CO LTD