JP2005172261A - Control device of air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently and surely eliminate dust adhering to an air filter with small capability without giving any discomfort to a user. <P>SOLUTION: This control device of an air conditioner includes: a clock means 5; a filter cleaning time setting means 3 for setting the time for cleaning the filter; and a filter cleaning start signal output means 13 for outputting a filter cleaning start signal to a filter cleaning device 2, wherein the filter cleaning device 2 is operated on the time preset by the filter cleaning time setting means 3, whereby filter cleaning is performed in the state of easily removable dust on the time preset by the user so that dust can be efficiently and surely eliminated with small capability not to give any discomfort to the user. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a control device for an air conditioner that automatically cleans a filter.

Conventionally, this type of air conditioner control device measures the accumulation level of dust, activates the filter cleaning device when it detects a level above a certain level, integrates the air conditioning operation time and the start time of the air conditioning operation, The filter cleaning device was activated when the value was reached. Moreover, as shown in FIG. 5, the on / off state of the fan motor is detected, and the filter cleaning device is operated when the fan motor is turned off (see, for example, Patent Document 1).
JP-A-63-130116 (page 6-6, FIG. 4)

  However, in the above conventional configuration, if the dust contains moisture or oil, the dust may solidify while it is stopped or accumulated, and the filter device may not be able to remove dust due to sticking, There was a problem that a strong cleaning ability was required. Also, when the air conditioner is in the air-conditioning operation, when the thermo-motor is turned off or when the fan motor is stopped during the defrosting operation, the filter cleaning device operates and generates operational noise. Had. When the dust accumulation level is measured and the level is detected above a certain level, the filter cleaning device is activated, or the air conditioning operation time is integrated. It has a problem that it will operate inside and give the user a discomfort.

  The present invention solves such conventional problems, and provides an air conditioner control device that can efficiently and reliably remove dust attached to a filter device with a small capacity and that does not cause discomfort to the user. For the purpose.

  In order to solve the above-mentioned conventional problems, the control device for an air conditioner according to the present invention includes a timekeeping means, a filter cleaning time setting means for setting a time for performing filter cleaning, and a filter for outputting a filter cleaning start signal to the filter cleaning apparatus. A cleaning start signal output means is provided.

  As a result, the filter cleaning device can be operated every day at the time set by the user using the filter cleaning time setting means, and the filter cleaning device can be moved at the set time. It is possible to provide a control device for an air conditioner that can efficiently and reliably remove dust with a small capacity and that does not cause discomfort to the user.

  The control device for an air conditioner of the present invention can efficiently and reliably remove dust attached to an air filter with a small capacity without causing discomfort to the user.

1st invention has an air filter in the air conditioner main body, In the air conditioner which equipped with the filter cleaning apparatus which cleans the said air filter, the filter cleaning time setting which sets the time which performs a time measuring means and filter cleaning And a filter cleaning start signal output means for outputting a filter cleaning start signal to the filter cleaning device, and by operating the filter cleaning device at the time set by the filter cleaning time setting means, Filter cleaning is performed at a time set by the user in an easy-to-take state, so that dust can be efficiently and reliably removed with a small capacity, and the user is not uncomfortable.

  In particular, according to the second aspect of the present invention, in the air conditioner control device of the first aspect, the day of the week detection means and the filter cleaning time weekly programming means are provided, and the filter cleaning time can be set for each day of the week. By doing so, it becomes possible to set the filter cleaning time according to the usage situation for each day of the week, and the convenience can be improved.

  According to a third aspect of the present invention, in the air conditioner control device of the first aspect of the invention, there is provided power-on detection means for detecting power-on of the air conditioner, and the filter cleaning device is operated when the power is turned on. When the air conditioner is not used, the filter cleaning device operates before use under the condition that the breaker is turned off, and dust can be reliably removed.

  The fourth aspect of the invention is particularly the control device for the air conditioner of the first aspect of the invention, further comprising air-conditioning operation determining means for determining whether or not the air-conditioning operation is being performed, and is set by the filter cleaning time setting means. When the air-conditioning operation is being performed at the time, by not operating the filter cleaning device, noise of the filter cleaning device is not generated during the air-conditioning operation, and the user can be prevented from feeling uncomfortable.

  The fifth aspect of the invention is the air conditioner control device of the fourth aspect of the invention, particularly comprising an air conditioning operation end detecting means for detecting the end of the air conditioning operation, and the air conditioning operation at the time set by the filter cleaning time setting means. When the filter cleaning device does not operate, the filter cleaning device is operated at the end of the operation, and the filter cleaning device operates at the end of the operation if the air-conditioning operation is performed at the set time. Thus, dust can be reliably removed without causing discomfort to the user.

  According to a sixth aspect of the invention, in particular, in the control device for an air conditioner of the fourth aspect of the invention, the number of times that the filter cleaning device does not operate during the air conditioning operation continuously at the time set by the filter cleaning time setting means. When the count value of the filter cleaning device inactivity counter reaches a certain value, the filter cleaning device is activated to perform filter cleaning even during long-term air conditioning operation. It becomes possible and dust can be automatically removed.

  According to a seventh aspect of the present invention, in the control device for an air conditioner of the first aspect of the invention, a filter cleaning switch is provided. When the filter cleaning switch is turned on, the filter cleaning device is operated to The filter can be cleaned regardless of the operating state of the conditioner, and dust can be automatically removed as required by the user.

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

(Embodiment)
FIG. 1 shows an overview of an air conditioner according to an embodiment of the present invention.

  In FIG. 1, an air filter 1 removes dust from the air passing through the air filter 1, and a filter cleaning device 2 removes dust accumulated in the air filter 1.

  FIG. 2 is a block diagram of the control device for the air conditioner according to the present embodiment. The filter cleaning time setting means 3 sets the filter cleaning time for operating the filter cleaning apparatus 2, and the filter cleaning time weekly programming means 4 sets the filter cleaning. The time setting is stored for each day of the week and output to the filter cleaning time determination means 7.

  The time measuring means 5 measures the time and outputs it to the filter cleaning time determining means 7.

  The day of the week detection means 6 detects the day of the week and outputs it to the filter cleaning time determination means 7.

  The filter cleaning time determination means 7 determines whether or not the time detected by the time measuring means 5 is the time for operating the filter cleaning device 2 from the output values of the filter cleaning time weekly programming means 4 and the day of week detection means 6.

  When the time detected by the time measuring means 5 is the time when the filter cleaning device 2 is operated, the time is output to the air conditioning operation determining means 8 and the time detected by the time measuring means 5 is not the time when the filter cleaning device 2 is operated. Is not output.

  The air-conditioning operation determining means 8 determines whether or not the air-conditioning operation is in progress when receiving the output from the filter cleaning time determining means 7. If the air-conditioning operation is not being performed, the filter cleaning start signal output means 13 is output.

  When the filter cleaning device non-operating counter 9 receives a signal from the air conditioning operation determining means 8, the filter cleaning device non-operating counter 9 adds 1 to the filter cleaning device non-operating frequency N and then outputs it to the filter cleaning start signal output means 13 when N = A. , N ≠ A, output to the air conditioning operation end detection means 10. In addition, when the output from the filter cleaning start signal output means 13 is received, the filter cleaning device inoperative frequency N is initialized (N = 0).

  When the air conditioning operation end detection means 10 receives a signal from the filter cleaning device non-operation counter 9, the air conditioner operation end monitoring means 10 monitors the operating state, and when it detects the end of the air conditioning operation, outputs it to the filter cleaning start signal output means 13.

  The power-on detection means 11 outputs the filter cleaning start signal output means 13 when the power is turned on.

  When the filter cleaning switch 12 is turned on, it outputs to the filter cleaning start signal output means 13.

  When the filter cleaning start signal output means 13 receives outputs from the air conditioning operation determining means 8, the filter cleaning device inoperability counter 9, the power-on detection means 11, and the filter cleaning switch 12, the filter cleaning start signal is output to the filter cleaning device 2 and the filter cleaning device. Output to the device inactivity counter 9.

  The filter cleaning device 2 starts to operate in response to an output from the filter cleaning start signal output means 13.

  FIG. 3 is a flowchart of the main routine of the control device for the air conditioner of the present embodiment, and the operation thereof will be described below.

In step 1, the power-on detection means 11 detects power-on, and in step 2, the filter cleaning start signal output means 13 outputs a filter cleaning start signal to the filter cleaning device 2 and the filter cleaning device non-operation counter 9.

  In step 3, the filter cleaning device non-operation count N of the filter cleaning device non-operation counter 9 is initialized (N = 0).

  In step 4, the time measuring means 5 detects the time, and in step 5, the day of the week detection means 6 detects the day of the week.

  In step 6, the filter cleaning start time set by the filter cleaning time setting means 3 and the filter cleaning weekly programming means 4 is read.

  In step 7, the filter cleaning time determination unit 7 determines whether the time detected by the time measuring unit 6 from the output values of the filter cleaning time weekly programming unit 4 and the day of the week detection unit 6 is a time for operating the filter cleaning device 2. .

  When the time detected by the time measuring means 6 is the time when the filter cleaning device 2 is operated, the time is output to the air conditioning operation determining means 8 and the process proceeds to Step 8. If the time detected by the time measuring means 6 is not the time for operating the filter cleaning device 2, the process returns to step 4.

  In step 8, it is determined whether or not the air-conditioning operation determining means 8 is in the air-conditioning operation. If the air-conditioning operation is being performed, it is output to the filter cleaning device non-operation counter 9 and the process proceeds to step 9. If the air conditioning operation is not in progress, the signal is output to the filter cleaning start signal output means 13 and the process proceeds to step 12.

  In step 9, the filter cleaning device non-operation counter 9 adds 1 to the filter cleaning device non-operation count N, and in step 10, whether the filter cleaning device non-operation count N is a preset integer value A (A> 0). judge.

  If N ≠ A, output to the air-conditioning operation end detection means 10 and proceed to step 11, and if N = A, output to the filter cleaning start signal output means 13 and proceed to step 12.

  In step 11, when the air conditioning operation end detection means 10 detects the end of the air conditioning operation, it outputs to the filter cleaning start signal output means 13, and the process proceeds to step 12. If the air conditioning operation is in a continuous state, the process proceeds to step 13.

  In step 13, the time measuring means 5 detects the time, and in step 14, the day of the week detection means 6 detects the day of the week.

  In step 15, the filter cleaning start time set by the filter cleaning time setting means 3 and the filter cleaning weekly programming means 4 is read.

  In step 16, the filter cleaning time determination means 7 determines whether the time detected by the time measuring means 6 from the output values of the filter cleaning time weekly programming means 4 and the day of the week detection means 6 is the time for operating the filter cleaning device 2. .

  When the time detected by the time measuring means 6 is the time when the filter cleaning device 2 is operated, the time is output to the air conditioning operation determining means 8 and the process returns to Step 8. If the time detected by the time measuring means 6 is not the time for operating the filter cleaning device 2, the process returns to step 11.

  In step 12, the filter cleaning start signal output means 13 outputs a filter cleaning start signal to the filter cleaning device 2 and the filter cleaning device non-operation counter 9.

  FIG. 4 is a flowchart of a subroutine of the control device for the air conditioner of the present embodiment, and the operation thereof will be described below.

  When the filter switch is turned on in step 17, subroutine interruption processing is started and output to the filter cleaning start signal output means 13.

  In step 18, the filter cleaning start signal output means 13 outputs a filter cleaning start signal to the filter cleaning device 2 and the filter cleaning device non-operation counter 9.

  In step 19, the filter cleaning device non-operation count N of the filter cleaning device non-operation counter 9 is initialized (N = 0).

  In the embodiment described above, the timekeeping means 5 and the filter cleaning time setting means 3 for setting the filter cleaning time and the filter cleaning start signal output means 13 for outputting the filter cleaning start signal to the filter cleaning device 2 are provided. By operating the filter cleaning device 2 at the time set by the cleaning time setting means 3, the filter is cleaned every day at a time set by the user in a state in which dust is easily removed. It is possible to eliminate the discomfort to the user.

  Further, in this embodiment, the day of week detection means 6 and the filter cleaning time weekly programming means 4 are provided, and the filter cleaning time can be set for each day of the week, so that it matches the usage situation for each day of the week. The filter cleaning time can be set, and convenience can be improved.

  Moreover, in this Embodiment, it has the power-on detection means 11 which detects the power-on of an air conditioner, operates the filter cleaning apparatus 2 at the time of power-on, and cuts a breaker when not using an air conditioner. In use conditions, the filter cleaning device operates before use, and dust can be reliably removed.

  Further, in the present embodiment, the air conditioner operation determining means 8 for determining whether or not the air conditioner operation is being performed is provided. When the air conditioner operation is being performed at the time set by the filter cleaning time setting means 3, the filter By not operating the cleaning device 2, the noise of the filter cleaning device is not generated during the air conditioning operation, and the user can be prevented from feeling uncomfortable.

  In the present embodiment, the air conditioning operation end detection means 10 for detecting the end of the air conditioning operation is provided, and the filter cleaning device 2 does not operate during the air conditioning operation at the time set by the filter cleaning time setting means 3. In this case, the filter cleaning device 2 is operated at the end of the operation so that if the air-conditioning operation is being performed at the set time, the filter cleaning device 2 operates at the end of the operation. Can be reliably removed.

  Further, in the present embodiment, the filter cleaning device non-operating counter 9 is provided that counts the number of times that the filter cleaning device 2 is not operated during the air conditioning operation continuously at the time set by the filter cleaning time setting means 3. When the count value of the filter cleaning device non-operating counter 9 reaches a certain value, the filter cleaning device 2 is operated, so that the filter can be cleaned even during long-term air conditioning operation, and dust is automatically removed. Can do.

Further, in the present embodiment, the filter cleaning switch 12 is provided, and when the filter cleaning switch is turned on, the filter cleaning device 2 is operated, so that the filter cleaning is possible regardless of the operating state of the air conditioner. Thus, dust can be automatically removed as required by the user.

  As described above, the control device for an air conditioner according to the present invention can efficiently and reliably remove dust attached to the air filter with a small capacity, and thus can be applied to uses such as ventilation and air cleaning. .

Overview of the air conditioner in the embodiment of the present invention The block diagram of the control apparatus of the air conditioner in embodiment of this invention The flowchart of the main routine of the control apparatus of the air conditioner in embodiment of this invention The flowchart of the subroutine of the control apparatus of the air conditioner in embodiment of this invention Flow chart showing conventional control contents

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Air filter 2 Filter cleaning device 3 Filter cleaning time setting means 4 Filter cleaning time Weekly programming means 5 Timekeeping means 6 Day detection means 7 Filter cleaning time judging means 8 Air-conditioning operation judging means 9 Filter cleaning device non-operating counter 10 Air-conditioning operation end Detection means 11 Power-on detection means 12 Filter cleaning switch 13 Filter cleaning start signal output means

Claims (7)

In the air conditioner having an air filter in the air conditioner body and having a filter cleaning device for cleaning the air filter, a time measuring means for measuring time, and a filter cleaning time setting means for setting a time for performing filter cleaning, A filter cleaning time determination unit that determines whether it is time to operate the filter cleaning device, and a filter cleaning start signal output unit that outputs a filter cleaning start signal to the filter cleaning device, and the filter cleaning time setting A control device for an air conditioner, wherein the filter cleaning device is operated at a time set by the means. 2. The air conditioner according to claim 1, further comprising a day detection unit for detecting the current day of the week and a filter cleaning time weekly programming unit, wherein the filter cleaning time can be set for each day of the week. Control device. The control device for an air conditioner according to claim 1, further comprising power-on detection means for detecting power-on of the air conditioner and operating the filter cleaning device when the power is turned on. An air-conditioning operation determining means for determining whether or not the air-conditioning operation is being performed is provided, and the filter cleaning device is not operated when the air-conditioning operation is being performed at the time set by the filter cleaning time setting means. The control device for an air conditioner according to claim 1. Air-conditioning operation end detection means for detecting the end of air-conditioning operation, and when the filter cleaning device does not operate during the air-conditioning operation at the time set by the filter cleaning time setting means, the filter cleaning at the end of the operation The apparatus for operating an air conditioner according to claim 4, wherein the apparatus is operated. A filter cleaning device non-operation counter that counts the number of times the filter cleaning device does not operate during air-conditioning operation continuously at the time set by the filter cleaning time setting means, and counts the filter cleaning device non-operation counter 5. The control device for an air conditioner according to claim 4, wherein when the value reaches a certain value, the filter cleaning device is operated. The control device for an air conditioner according to claim 1, further comprising a filter cleaning switch, wherein the filter cleaning device is activated when the filter cleaning switch is turned on.

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