JP5065109B2 - Air cleaner monitoring device - Google Patents

Description

  The present invention relates to an air cleaner monitoring device that monitors abnormalities of an ionizer, a collector, and the like in an air cleaner.

  FIG. 3 is a block diagram showing a conventional air cleaner. In FIG. 3, reference numeral 1 denotes a rectangular case of the air cleaner, and a pre-filter 2 made of saran net, nonwoven fabric or the like at one open end in the case 1. Is provided.

  Reference numeral 3 denotes a dust collection cell installed near the center of the case 1, and an ionizer 4 and a collector 5 are sequentially arranged in the dust collection cell 3.

  The ionizer 4 includes a plurality of discharge electrodes 6 made of tungsten wire or the like sandwiched between a plurality of grounded corrugated plates (electrodes) 7, and a positive and negative high voltage is applied to the collector 5. , Comprising a plurality of sets of two collector electrode plates 8 and 9 facing each other.

  Reference numeral 10 denotes an activated carbon filter having a deodorizing function provided on the outlet side of the dust collection cell 3, and 11 a fan provided at the other opening end in the case 1.

  FIG. 4 shows a main part of a high voltage output device 15 that supplies a high voltage to the ionizer 4 and the collector 5. The high voltage output device 15 includes three voltage dividing resistors 12, 13, and 14 connected in series at the output stage.

  In FIG. 4, 16 is an ionizer input line, 17 is a collector input line, and 18 is a monitor output line. A high DC voltage taken from the ionizer input line 16 is applied between the discharge electrode 6 of the ionizer 4 and the plate 7. Is done. A high direct current voltage taken from the collector input line 17 is applied between the collector plates 8 and 9 of the collector 5. A voltage sufficiently higher than that of the collector input line 17 is taken out from the ionizer input line 16.

  A monitoring voltage (DC voltage of about several hundred volts) obtained by dividing the high voltage to the collector 5 by the resistors 13 and 14 is taken out from the monitoring output line 18. The monitoring voltage extracted from the monitoring output line 18 is applied to the air cleaner monitoring device 19 as a collector voltage. The air cleaner monitoring device 19 monitors the state of the ionizer 4 and the collector 5 based on the collector voltage from the monitoring output line 18.

  In this air cleaner, when the power is turned on, a high voltage is generated in the high voltage output device 15, and this high voltage is supplied to the collector input line 17 via the ionizer input line 16 and the voltage dividing resistor 12. As a result, a high voltage is input between the discharge electrode 6 of the ionizer 4 and the plate 7 and between the collector electrode plates 8 and 9 of the collector 5.

  On the other hand, air containing dust is sucked into the case 1 from one end of the case 1 by receiving the suction force of the fan 11, and large dust of the dust is collected by the pre-filter 2. Then, particles that are fine dust that has passed through the pre-filter 2 are introduced into the ionizer 4 of the dust collection cell 3 and are ionized in a static electric field generated around the discharge electrode 6 to be positively or negatively charged.

  The charged positive and negative particles reach between the collector electrode plates 8 and 9 of the collector 5, the positively charged particles are applied to the grounded collector electrode plate 8, and the negatively charged particles are applied with a high voltage. It is adsorbed to the collector electrode plates 9 that are present. The air after dust collection passes through the activated carbon filter 10 to be deodorized, and is sent out from the other opening end of the case 1 into the room.

On the other hand, the voltage divided by the resistors 12 and 13 and the resistor 14 is given to the air cleaner monitoring device 19 as a collector voltage. The air cleaner monitoring device 19 detects high-frequency noise generated in the collector voltage as an ionizer discharge generated by a spark discharge in the ionizer 4, and determines whether the ionizer 4 is normal or abnormal based on the magnitude and duration of the ionizer discharge. to decide. Further, low-frequency noise generated in the collector voltage is detected as a collector discharge generated by a spark discharge at the collector 5, and the normal / abnormal state of the collector 5 is determined based on the magnitude and duration of the collector discharge ( For example, see Patent Document 1).
JP-A-9-99254

  However, in the above-mentioned air cleaner monitoring device, it is possible to determine the ionizer discharge and the collector discharge and issue an alarm, or to turn off the power, but whether dust has accumulated and spark discharge has occurred, It is impossible to distinguish the operating status of the air cleaner, such as whether a large garbage accidentally invaded and caused a spark discharge, whether it is a maintenance period, or whether the high voltage output device is abnormal. There was a problem of not knowing without trying.

  The present invention has been made to solve such problems, and its purpose is not only the normality / abnormality of the ionizer and collector, but also the abnormality and maintenance time of the high-voltage output device, An object of the present invention is to provide an air cleaner monitoring device capable of distinguishing and determining the operating state of an air cleaner.

In order to achieve such an object, the present invention provides an ionizer for ionizing particles by electric discharge, a collector for adsorbing particles ionized by the ionizer, and a high voltage necessary for ionizing the particles to the ionizer. And an air cleaner monitoring device that monitors the operating state of the air cleaner having a high voltage output device that supplies a voltage obtained by dividing the high voltage to the ionizer to the collector as a high voltage necessary for adsorbing particles. Collector voltage detection means for detecting a monitoring voltage taken out by dividing a high voltage from the voltage output device to the collector as a collector voltage, and ionizer discharge that generates high-frequency noise generated in the collector voltage by spark discharge at the ionizer Ionizer discharge detection means to detect the low voltage generated in the collector voltage Collector discharge detection means for detecting wave noise as collector discharge generated by spark discharge at the collector, current consumption detection means for detecting current consumption of the high voltage output device, collector voltage detection means, ionizer discharge detection means, collector An air cleaner operation state determination unit that comprehensively determines an operation state of the air cleaner based on each detection result of the discharge detection unit and the current consumption detection unit. The air cleaner operation state determination unit detects collector discharge by the collector discharge detection unit. The first case is when the collector voltage detected by the collector voltage detection means is low and the current consumption detected by the current consumption detection means is low, and the collector discharge detection means detects the collector discharge. Not detected by the collector voltage detection means. The case where the collector voltage is normal and the consumption current detected by the consumption current detection means is the second case, the collector discharge is not detected by the collector discharge detection means, and the collector voltage is detected by the collector voltage detection means. Is normal and the current consumption detected by the current consumption detecting means is the third case, and the operation state of the air cleaner is abnormal when any of the first to third cases occurs. A collector discharge is continuously detected by the collector discharge detecting means, and the collector voltage detected by the collector voltage detecting means is continuously low. The collector voltage that is not detected and detected by the collector voltage detection means is continuously low and A case where the consumption current detected by the consumption current detection means is normal or high is defined as a fifth case, and a warning state in which the operation state of the air cleaner requires maintenance when any of the fourth and fifth cases occurs. It is determined that it is.

According to the present invention, when the collector discharge is not detected, the collector voltage is continuously low, and the current consumption is low, it is determined that the operation state of the air cleaner is abnormal. Alternatively, when the collector discharge is not detected, the collector voltage is normal, and the current consumption is high, it is determined that the operation state of the air cleaner is abnormal. Further, when the collector discharge is not detected, the collector voltage is normal, and the current consumption is low, it is determined that the operation state of the air cleaner is abnormal. Further, when collector discharge is continuously detected and the collector voltage is continuously low, it is determined that the operation state of the air cleaner is a caution state requiring maintenance. Alternatively, when the collector discharge is not detected, the collector voltage is continuously low, and the current consumption is normal or high, it is determined that the operating state of the air cleaner is a caution state that requires maintenance.

In the present invention, a means for determining whether to stop or continue the operation of the air cleaner based on the determination result of the operation state of the air cleaner determined by the air cleaner operation state determination means is provided, or the determination is made by the air cleaner operation state determination means. You may make it provide the determination result alerting | reporting means which alert | reports the determination result of the driving | running state of an air cleaner. When the determination result notifying means is provided, the determination result of the operation state of the air cleaner may be notified by indicating the part related to the determination result .

  According to the present invention, the collector voltage detected by the collector voltage detection means, the ionizer discharge detected by the ionizer discharge detection means, the collector discharge detected by the collector discharge detection means, and the high voltage output detected by the consumption current detection means Since the operation status of the air cleaner is determined based on the current consumption of the device, the operation status of the air cleaner is not limited, including not only the normality / abnormality of the ionizer and collector, but also the abnormality of the high-voltage output device and the maintenance time. It can be determined separately.

  Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing a main part of an embodiment of an air cleaner monitoring apparatus according to the present invention. 4, the same reference numerals as those in FIG. 4 denote the same or equivalent components as those described with reference to FIG. 4, and the description thereof will be omitted.

  The air cleaner monitoring device 20 according to the present embodiment is attached to the air cleaner shown in FIG. 3 in the same manner as the conventional air cleaner monitoring device 19 shown in FIG. A circuit 22, a DC cut circuit 23, an ionizer discharge frequency detection filter 24, a rectification smoothing circuit 25, a level determination circuit 26, a collector discharge frequency detection filter 28, a rectification smoothing circuit 29, a level determination circuit 30, The consumption current detection unit 31 for detecting the consumption current of the high voltage output device 15, the temperature detection unit 32 for detecting the air temperature in the air cleaner (the temperature of the air passing through the dust collection cell 3), and the power consumption of the fan 11 A fan power consumption detection unit 33 to detect and an air cleaner operation state determination unit 34 to determine the operation state of the air cleaner are provided.

  In FIG. 1, 35 is a commercial power supply, 36 is a power switch, 37 is a display device, the high voltage output device 15 shows only its output stage, and the internal circuit configuration is omitted.

  In the air cleaner monitoring device 20, the smoothing circuit 21 smoothes and outputs a collector voltage taken out as a monitoring voltage from the monitoring output line 18. The level determination circuit 22 determines the output level (collector voltage level) of the smoothing circuit 21. The smoothing circuit 21 and the level determination circuit 22 constitute a collector voltage detection unit 100.

  The DC cut circuit 23 receives the collector voltage taken out from the monitoring output line 18 and cuts the DC component, and detects and outputs only the noise voltage generated by the spark discharge in the ionizer 4 and the collector 5.

  The ionizer discharge frequency detection filter 24 extracts a high-frequency noise voltage (in this example, a noise voltage of 500 Hz or more) from the noise voltage output from the DC cut circuit 23 as an ionizer discharge. The rectifying / smoothing circuit 25 rectifies and smoothes the noise voltage extracted by the ionizer discharge frequency detection filter 24. The level determination circuit 26 determines the output level (ionizer discharge level) of the rectifying / smoothing circuit 25. The ionizer discharge frequency detection filter 24, the rectifying / smoothing circuit 25, and the level determination circuit 26 constitute an ionizer discharge detection unit 101.

  The collector discharge frequency detection filter 28 extracts a low-frequency noise voltage (in this example, a noise voltage of 500 Hz or less) from the noise voltage output from the DC cut circuit 23 as a collector discharge. The rectifying / smoothing circuit 29 rectifies and smoothes the noise voltage extracted by the collector discharge frequency detection filter 28. The level determination circuit 30 determines the output level (collector discharge level) of the rectifying / smoothing circuit 29. The collector discharge frequency detection filter 28, the rectifying / smoothing circuit 29, and the level determination circuit 30 constitute a collector discharge detection unit 102.

  The air cleaner operation state determination unit 34 includes a collector voltage detected by the collector voltage detection unit 100, an ionizer discharge detected by the ionizer discharge detection unit 101, a collector discharge detected by the collector discharge detection unit 102, and a consumption current detection unit 31. The detected current consumption of the high-voltage output device 15, the air temperature in the air cleaner detected by the temperature detector 32, and the power consumption of the fan 11 detected by the fan power consumption detector 33 are input. Based on this, the operating state of the air cleaner is determined.

  FIG. 2 shows the determination logic of the air cleaner operation state set in the air cleaner operation state determination unit 34. The air cleaner operation state determination unit 34 determines the operation state of the air cleaner according to the determination logic shown in FIG. The determination process operation of the air cleaner operation state in the air cleaner operation state determination unit 34 is realized by hardware including a processor and a storage device, and a program that realizes various functions in cooperation with these hardware. The program is provided in a form stored in a medium, and is executed by being installed in a storage device such as a hard disk device incorporated in the hardware system.

  Next, the operation will be described. In the air cleaner provided with the air cleaner monitoring device 20, the power supply voltage is supplied from the commercial power supply 35 to the high voltage output device 15 by turning on the power switch 36. As a result, a boosting operation in the high voltage output device 15 is started, and a DC high voltage is generated on the ionizer output line 16. Further, the high voltage generated in the ionizer output line 16 is divided by the resistor 12 and the resistors 13 and 14, and a DC high voltage lower than the high voltage generated in the ionizer output line 16 is generated in the collector input line 17.

  A high voltage generated in the ionizer output line 16 is applied between the discharge electrode 6 of the ionizer 4 and the plate 7, and a high voltage generated in the collector input line 17 is applied between the collector electrode plates 8 and 9 of the collector 5. Applied. For this reason, as in the case described in the conventional example, the dust particles that have passed through the prefilter 2 are ionized in the ionizer 4 to be positively or negatively charged, and the charged particles are negative or positive collectors of the collector 5. Adsorbed on the electrode plates 8 and 9. The air from which the particles are removed is deodorized by the activated carbon filter 10, and the purified air is sent out indoors through the fan 11.

  On the other hand, the high voltage generated in the collector input line 17 is divided by the resistors 13 and 14 and taken out from the monitoring output line 18 as a collector voltage. The collector voltage taken out from the monitoring output line 18 is smoothed by the smoothing circuit 21 and sent to the air cleaner operation state determination unit 34 via the level determination circuit 22.

  The collector voltage extracted from the monitoring output line 18 is also input to the DC cut circuit 23, where only the noise voltage generated by the spark discharge in the ionizer 4 or the collector 5 is separated from the DC component and extracted.

  Of the extracted noise voltage, a high frequency noise voltage (noise voltage of 500 Hz or more) is extracted as an ionizer discharge by the ionizer discharge frequency detection filter 24, and a low frequency noise voltage (noise voltage of 500 Hz or less) is collected. It is taken out by the collector discharge frequency detection filter 28 as a discharge.

  The ionizer discharge taken out by the ionizer discharge frequency detection filter 24 is smoothed by the rectifying / smoothing circuit 25 and sent to the air cleaner operation state determination unit 34 via the level determination circuit 26. The collector discharge taken out by the collector discharge frequency detection filter 28 is smoothed by the rectifying / smoothing circuit 29 and sent to the air cleaner operation state determination unit 34 via the level determination circuit 30.

  In the air cleaner operation state determination unit 34, the collector voltage detected by the collector voltage detection unit 100, the ionizer discharge detected by the ionizer discharge detection unit 101, and the collector detected by the collector discharge detection unit 102 are thus obtained. Discharge is given.

  The air cleaner operation state determination unit 34 detects the current consumption detection unit 31 in addition to the collector voltage from the collector voltage detection unit 100, the ionizer discharge from the ionizer discharge detection unit 101, and the collector discharge from the collector discharge detection unit 102. The current consumption of the high voltage output device 15, the air temperature in the air cleaner detected by the temperature detector 32, and the power consumption of the fan 11 detected by the fan power consumption detector 33 are also given.

  The air cleaner operation state determination unit 34 includes a collector voltage from the collector voltage detection unit 100, an ionizer discharge from the ionizer discharge detection unit 101, a collector discharge from the collector discharge detection unit 102, and a high voltage output device from the consumption current detection unit 31. 15, the air temperature in the air cleaner detected by the temperature detection unit 32 and the power consumption of the fan 11 detected by the fan power consumption detection unit 33 are input, and according to the determination logic shown in FIG. Determine the operating state.

[Determination of the operating condition of the air cleaner]
First, the air cleaner operation state determination unit 34 determines that the diagnosis target is air, and immediately determines “abnormal” when the air temperature in the air cleaner detected by the temperature detection unit 32 is high (case 1). In this case, the operation of the air cleaner is stopped, and a determination result indicating that the operation state of the air cleaner is abnormal is displayed on the display device 37. Moreover, it displays that process air is high temperature as a site | part which concerns on the determination result.

  Next, the air cleaner operating state determination unit 34 determines that the diagnosis target is a fan, and immediately determines “abnormal” when the power consumption of the fan 11 detected by the fan power consumption detection unit 33 is low (case 2). . In this case, the operation of the air cleaner is stopped, and a determination result indicating that the operation state of the air cleaner is abnormal is displayed on the display device 37. Further, it is displayed that the fan is abnormal as a part related to the determination result.

  Next, the air cleaner operation state determination unit 34 sets the diagnosis target to be an ionizer unit, and immediately determines “abnormal” when there is an ionizer discharge based on the ionizer discharge detected by the ionizer discharge detection unit 101 (case). 3). In this case, the operation of the air cleaner is stopped, and a determination result indicating that the operation state of the air cleaner is abnormal is displayed on the display device 37. Moreover, it displays that the ionizer is abnormal as a site related to the determination result.

  In addition, when there is no ionizer discharge, it determines with "normal" (case 4). In this case, the operation of the air cleaner is continued, and a determination result indicating that the operation state of the air cleaner is normal is displayed on the display device 37. Moreover, it displays that the ionizer is normal as a site | part which concerns on the determination result.

  Next, the air cleaner operation state determination unit 34 sets the diagnosis target as the collector unit / high voltage output unit / dust collection cell, and the collector discharge is continuously performed based on the collector discharge detected by the collector discharge detection unit 102. When the voltage is high, it is determined as “abnormal” (case 5). In this case, the operation of the air cleaner is stopped, and a determination result indicating that the operation state of the air cleaner is abnormal is displayed on the display device 37. Moreover, it displays that the high voltage output device is abnormal as a part related to the determination result.

  When the collector discharge is continuously performed and the collector voltage is continuously low, it is determined as “attention” (a state that requires attention but cannot be said to be abnormal) (case 6). In this case, the operation of the air cleaner is continued, and a determination result indicating that the air cleaner needs to be operated is displayed on the display device 37. Further, it is displayed that maintenance is necessary as information related to the determination result.

  Even if collector discharge continues, if the collector voltage is normal, it is determined as “normal” (case 7). In this case, the operation of the air cleaner is continued, and a determination result indicating that the operation state of the air cleaner is normal is displayed on the display device 37. Moreover, it displays that the collector is normal as a part related to the determination result.

  Even when there is no collector discharge, if the collector voltage is high, it is determined as “abnormal” (case 8). In this case, the operation of the air cleaner is stopped, and a determination result indicating that the operation state of the air cleaner is abnormal is displayed on the display device 37. Moreover, it displays that the high voltage output device is abnormal as a part related to the determination result.

  Further, even when there is no collector discharge, when the collector voltage is continuously low and the current consumption of the high voltage output device 15 is normal or high, it is determined as “caution” (case 9). In this case, the operation of the air cleaner is continued, and a determination result indicating that the air cleaner needs to be operated is displayed on the display device 37. Further, it is displayed that maintenance is necessary as information related to the determination result.

  Even if there is no collector discharge, if the collector voltage is continuously low and the current consumption of the high voltage output device 15 is low, it is determined as “abnormal” (case 10). In this case, the operation of the air cleaner is stopped, and a determination result indicating that the operation state of the air cleaner is abnormal is displayed on the display device 37. Moreover, it displays that the high voltage output device is abnormal as a part related to the determination result.

  Even when there is no collector discharge and the collector voltage is normal, if the current consumption of the high voltage output device 15 is high, it is determined as “abnormal” (case 11). In this case, the operation of the air cleaner is stopped, and a determination result indicating that the operation state of the air cleaner is abnormal is displayed on the display device 37. Moreover, it displays that the high voltage output device is abnormal as a part related to the determination result.

  Further, even when there is no collector discharge and the collector voltage is normal, if the current consumption of the high voltage output device 15 is low, it is determined as “abnormal” (case 12). In this case, the operation of the air cleaner is stopped, and a determination result indicating that the operation state of the air cleaner is abnormal is displayed on the display device 37. Moreover, it displays that the inspection of a dust collection cell is required as a site | part which concerns on the determination result.

  When there is no collector discharge, the collector voltage is normal, and the current consumption of the high voltage output device 15 is normal, it is determined as “normal” (case 13). In this case, the operation of the air cleaner is continued, and a determination result indicating that the operation state of the air cleaner is normal is displayed on the display device 37. Moreover, it displays that the collector is normal as a part related to the determination result.

  In cases 9 to 13 described above, the current consumption of the high voltage output device 15 is viewed as the third priority event. However, when the current consumption of the high voltage output device 15 is sparking in the dust collection cell 3, Since normal determination cannot be made, it is assumed that there is no collector discharge as the first priority event.

  Thus, in this embodiment, in the air cleaner abnormal state determination unit 34, the collector voltage detection unit 100, the ionizer discharge detection unit 101, the collector discharge detection unit 102, the current consumption detection unit 31, the temperature detection unit 32, and the fan power consumption. By comprehensively determining the operating state of the air cleaner based on each detection result of the detection unit 33, not only the normality / abnormality of the ionizer 4 and the collector 5 but also the abnormality of the high-voltage output device 15 and the maintenance time are included. The operation state of the air cleaner can be distinguished and determined.

  In the above-described embodiment, the temperature detection unit 32 and the fan power consumption detection unit 33 are provided. However, the temperature detection unit 32 and the fan power consumption detection unit 33 are not necessarily provided. That is, only the collector voltage from the collector voltage detection unit 100, the ionizer discharge from the ionizer discharge detection unit 101, the collector discharge from the collector discharge detection unit 102, and the current consumption of the high voltage output device 15 from the consumption current detection unit 31 are used. Then, the operating state of the air cleaner may be comprehensively determined. In addition to the temperature detection unit 32 and the fan power consumption detection unit 33, a humidity detection unit for detecting the humidity in the air cleaner is provided, and the humidity detected by the humidity detection unit is further used to comprehensively operate the air cleaner. You may make it determine automatically.

It is a block diagram which shows the principal part of one Embodiment of the air cleaner monitoring apparatus which concerns on this invention. It is a figure which shows the determination logic of the operation state of the air cleaner set to the air cleaner operation state determination part of this air cleaner monitoring apparatus. It is a block diagram which shows an air cleaner. It is a figure which shows the principal part of the high voltage output device which supplies a high voltage to the ionizer and collector of this air cleaner together with the conventional air cleaner monitoring device.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Case, 2 ... Pre filter, 3 ... Dust collection cell, 4 ... Ionizer, 5 ... Collector, 6 ... Discharge electrode, 7 ... Plate (electrode), 8, 9 ... Collector electrode plate, 10 ... Activated carbon filter, 11 ... Fan, 12, 13, 14 ... voltage dividing resistor, 15 ... high voltage output device, 16 ... ionizer input line, 17 ... collector input line, 18 ... monitoring output line, 20 ... air cleaner monitoring device, 21 ... smoothing circuit, 22 ... Level determination circuit, 23 ... DC cut circuit, 24 ... ionizer discharge frequency detection filter, 25 ... rectification smoothing circuit, 26 ... level determination circuit, 28 ... collector discharge frequency detection filter, 29 ... rectification smoothing circuit, 30 ... level determination circuit, DESCRIPTION OF SYMBOLS 31 ... Current consumption detection part, 32 ... Temperature detection part, 33 ... Fan power consumption detection part, 34 ... Air cleaner driving | running state determination part, 35 ... Commercial power supply, 36 ... Power switch , 37 ... display unit, 100 ... collector voltage detection unit, 101 ... ionizer discharge detection unit, 102 ... collector discharge detection unit.

Claims (5)

An ionizer that ionizes particles by discharge, a collector that adsorbs the particles ionized by the ionizer, and a high voltage necessary to ionize the particles are supplied to the ionizer, and the high voltage to the ionizer is divided. In an air cleaner monitoring device for monitoring an operating state of an air cleaner comprising a high voltage output device that supplies a compressed voltage as a high voltage necessary for adsorbing the particles to the collector,
Collector voltage detection means for detecting a monitoring voltage taken out by dividing a high voltage to the collector from the high voltage output device as a collector voltage;
Ionizer discharge detection means for detecting high-frequency noise generated in the collector voltage as ionizer discharge generated by spark discharge in the ionizer;
Collector discharge detecting means for detecting low-frequency noise generated in the collector voltage as collector discharge generated by spark discharge at the collector;
Current consumption detecting means for detecting current consumption of the high-voltage output device;
An air cleaner operation state determination unit that determines an operation state of the air cleaner based on detection results of the collector voltage detection unit, the ionizer discharge detection unit, the collector discharge detection unit, and the consumption current detection unit;
The air cleaner operating state determining means includes
A case where collector discharge is not detected by the collector discharge detection means, the collector voltage detected by the collector voltage detection means is continuously low, and the current consumption detected by the current consumption detection means is low As a case,
A case where collector discharge is not detected by the collector discharge detecting means, the collector voltage detected by the collector voltage detecting means is normal, and the current consumption detected by the current consumption detecting means is high is a second case. ,
A case where collector discharge is not detected by the collector discharge detecting means, the collector voltage detected by the collector voltage detecting means is normal, and the current consumption detected by the current consumption detecting means is low is a third case. ,
When any one of the first to third cases occurs, it is determined that the operation state of the air cleaner is abnormal ,
A case where collector discharge is continuously detected by the collector discharge detection means and the collector voltage detected by the collector voltage detection means is continuously low is a fourth case,
The case where the collector discharge is not detected by the collector discharge detection means, the collector voltage detected by the collector voltage detection means is continuously low, and the current consumption detected by the current consumption detection means is normal or high. Case 5
An air cleaner monitoring apparatus , wherein when one of the fourth and fifth cases occurs, the operation state of the air cleaner is determined to be a caution state requiring maintenance . In the air cleaner monitoring device according to claim 1,
Means for determining whether to stop or continue the operation of the air cleaner based on the determination result of the operation state of the air cleaner determined by the air cleaner operation state determination means
Cleaner monitoring apparatus comprising: a. In the air cleaner monitoring device according to claim 1 ,
An air cleaner monitoring device comprising: a determination result notifying means for notifying a determination result of an operation state of the air cleaner determined by the air cleaner operation state determining means . In the air cleaner monitoring device according to claim 3 ,
The determination result notification means includes:
An air cleaner monitoring apparatus that reports the determination result of the operation state of the air cleaner determined by the air cleaner operation state determination means, including a normal state and an abnormal state, as well as a state requiring attention . In the air cleaner monitoring device according to claim 4,
The determination result notification means includes:
An air cleaner monitoring device that reports a determination result of an operation state of an air cleaner determined by the air cleaner operation state determination means by indicating a portion related to the determination result .

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