WO2015129344A1 - Aspirateur - Google Patents

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Publication number
WO2015129344A1
WO2015129344A1 PCT/JP2015/051532 JP2015051532W WO2015129344A1 WO 2015129344 A1 WO2015129344 A1 WO 2015129344A1 JP 2015051532 W JP2015051532 W JP 2015051532W WO 2015129344 A1 WO2015129344 A1 WO 2015129344A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
communication
main body
communication unit
brush motor
Prior art date
Application number
PCT/JP2015/051532
Other languages
English (en)
Japanese (ja)
Inventor
昌美 頼田
岩原　明弘
飯塚　政義
拓也 古山
Original Assignee
三菱電機株式会社
三菱電機ホーム機器株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社, 三菱電機ホーム機器株式会社 filed Critical 三菱電機株式会社
Priority to JP2016505101A priority Critical patent/JP6103130B2/ja
Priority to TW104104337A priority patent/TWI576083B/zh
Publication of WO2015129344A1 publication Critical patent/WO2015129344A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2894—Details related to signal transmission in suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current

Definitions

  • the present invention relates to a vacuum cleaner.
  • Patent Document 1 discloses a vacuum cleaner including a main body unit that has a motor and generates suction air, an operation unit (remote unit), and a brush unit.
  • the brush unit is provided with a brush motor that is supplied with electric power from the main body unit via the operation unit.
  • a reference potential line that gives a reference potential to the main unit and the operation unit.
  • the number of lines can be reduced as compared with a case where an energization current line is provided separately from the reference potential line.
  • the energization current of the brush motor is flowing through the reference potential line, a voltage drop occurs due to the internal resistance of the reference potential line, and the reference potential varies. For this reason, there is a problem that the communication accuracy between the main body and the operation unit is lowered.
  • An electric vacuum cleaner capable of preventing a reduction in communication accuracy while reducing the number of lines by passing an energization current of a brush motor through a reference potential line.
  • the purpose is to provide.
  • the vacuum cleaner according to the invention of the present application includes a main body section that generates suction air, an operation section that is connected to the main body section and is used for an operation by a user, and is connected to the operation section.
  • the rotating brush and the rotating brush A suction portion for sucking dust, a first communication portion provided in the main body portion for communicating data with the operation portion, and a main body control portion for controlling the first communication portion.
  • a second communication unit that is provided in the operation unit and performs data communication with the first communication unit; an operation control unit that is connected to the second communication unit and transmits data to the second communication unit;
  • a reference potential line for supplying a reference potential of the first communication unit and the second communication unit and used for supplying power to the brush motor, and a detection unit for detecting the energization state of the brush motor are provided.
  • the main body control unit performs data communication between the first communication unit and the second communication unit during a period in which the energization current of the brush motor is equal to or less than a predetermined value based on the detection result of the detection unit. It is characterized by making it.
  • the present invention when the energization current of the brush motor is small, communication is performed between the main body unit and the operation unit. Therefore, by reducing the number of lines by flowing the energization current of the brush motor through the reference potential line, the communication accuracy is improved. Decline can be prevented.
  • FIG. 7 is a partially enlarged view of FIG. 6. It is a circuit diagram which shows the modification of a detection part. It is a circuit diagram which shows another modification of a detection part. It is a figure which shows the communication period etc. which concern on Embodiment 2.
  • FIG. 7 is a partially enlarged view of FIG. 6. It is a circuit diagram which shows the modification of a detection part. It is a circuit diagram which shows another modification of a detection part. It is a figure which shows the communication period etc. which concern on Embodiment 2.
  • FIG. 1 is an external view of a vacuum cleaner 10 according to Embodiment 1 of the present invention.
  • the vacuum cleaner 10 includes a main body 12.
  • the main body 12 is a portion that generates suction air by a blower motor and collects dust in the dust box with the suction air.
  • a power plug 16 is connected to the main body 12 via a power cord 14.
  • the rear end of the hose 18 is connected to the main body 12.
  • the rear end of the pipe 20 is connected to the front end of the hose 18.
  • An operation unit 22 is provided at the rear end of the pipe 20 for use by a user.
  • a suction part 24 is provided at the front end of the pipe 20.
  • the suction part 24 is a part that sucks dust.
  • FIG. 2 is a front view of the operation unit 22.
  • the operation unit 22 includes an on / off switch 30 that switches on / off the suction air, and a power switch 32 that changes the rotational speed of the blower motor.
  • the on / off switch 30 and the power switch 32 constitute a switch unit 34.
  • the switch unit 34 is used for operation by the user.
  • the operation unit 22 includes a suction force display LED 36 and a dust sensor display LED 38.
  • the suction force display LED 36 indicates the operating state of the blower motor.
  • the dust sensor display LED 38 is lit to prompt the user to empty the dust box when the dust box is full of dust.
  • the suction force display LED 36 and the dust sensor display LED 38 constitute a display unit 40.
  • the display unit 40 may be provided in the main body unit 12.
  • FIG. 3 is a system configuration diagram of the vacuum cleaner 10.
  • the main body 12 has a blower motor 50 that generates suction air.
  • the blower motor 50 is connected to a reference potential line 52 which is a 100V ⁇ line and a power supply line 54 which is a 100V + line, and receives power supply.
  • the blower motor 50 is controlled by the main body control unit 56.
  • the main body control unit 56 is formed by a microcomputer, for example.
  • the main body unit 12 is provided with a first communication unit 58 that performs data communication with the operation unit 22.
  • the first communication unit 58 is connected to the main body control unit 56 and controlled by the main body control unit 56.
  • a power supply circuit 60 is provided to convert the commercial power supply into a DC low voltage power supply when the power plug 16 is connected to an outlet.
  • the power supply circuit 60 generates, for example, +5 V using the potential of the reference potential line 52 as a reference potential. This +5 V is applied to the main body control unit 56 and the first communication unit 58 via the power line 62.
  • the main body 12 is provided with a detection unit 64 connected to the reference potential line 52 and the power supply line 54.
  • the detector 64 is formed by a zero cross circuit.
  • An output terminal of the detection unit 64 is connected to the main body control unit 56.
  • the operation unit 22 includes a second communication unit 70 that performs data communication with the first communication unit 58.
  • the first communication unit 58 and the second communication unit 70 are connected by a communication line 71.
  • the operation unit 22 is provided with a switch unit 34 and a display unit 40 each composed of an electronic circuit.
  • the switch unit 34 and the display unit 40 are controlled by the operation control unit 72.
  • the operation control unit 72 is formed by a microcomputer, for example.
  • the operation control unit 72 is connected to the second communication unit 70 and transmits data to the second communication unit 70 in response to a request from the first communication unit 58.
  • the operation unit 22 is provided with a voltage stabilization circuit 74 for supplying a stable voltage to the operation control unit 72, the switch unit 34, and the display unit 40.
  • the suction unit 24 includes a rotating brush 90 and a brush motor 92 that drives the rotating brush 90.
  • the rotation speeds of the brush motor 92 and the blower motor 50 are controlled by the main body control unit 56.
  • the brush motor 92 is connected to a reference potential line 52 and a power supply line 54, and receives AC power from these lines.
  • the reference potential line 52 provides a reference potential for the main body control unit 56, the first communication unit 58, the second communication unit 70, and the operation control unit 72, and is used for power supply to the brush motor 92. That is, the reference potential line 52 has a role of providing a reference potential and a role of supplying power to the brush motor 92.
  • FIG. 4 is a circuit diagram illustrating a configuration example of the detection unit 64.
  • the detection unit 64 is formed of a zero cross circuit that detects the zero point of the AC voltage supplied to the brush motor 92.
  • FIG. 5 is a sequence diagram of a polling process performed by the vacuum cleaner 10.
  • a power supply period T1 in which power is supplied from the first communication unit 58 to the second communication unit 70
  • a communication period T2 in which communication is performed between the first communication unit 58 and the second communication unit 70.
  • +5 V is input to the first communication unit 58.
  • a current is passed through the second communication unit 70 by providing a constant current circuit in the first communication unit 58.
  • charges are accumulated in the capacitor provided in the second communication unit 70.
  • the first communication signal is transmitted from the main body control unit 56 to the serial data transmission port TxD.
  • the first communication signal is content for requesting operation information of the switch unit 34.
  • the first communication signal is 8-bit data including address data and control data, for example.
  • the first communication signal reaches the operation control unit 72 via the first communication unit 58, the communication line 71, the second communication unit 70, and the serial data reception port RxD.
  • the operation control unit 72 that has received the first communication signal transmits a second communication signal including operation information of the switch unit 34 to the serial data transmission port TxD.
  • the second communication signal reaches the main body control unit 56 via the second communication unit 70, the communication line 71, the first communication unit 58, and the serial data reception port RxD.
  • the main body control part 56 performs control according to operation information.
  • power is not supplied from the first communication unit 58 to the second communication unit 70, and the operation unit 22 operates using the capacitor of the second communication unit 70 as a power source.
  • the main body control unit 56 causes the first communication unit 58 to periodically request operation information of the switch unit 34 from the second communication unit 70.
  • the operation control unit 72 causes the second communication unit 70 to transmit operation information to the first communication unit 58.
  • the operation control unit 72 may cause the second communication unit 70 to transmit operation information to the first communication unit 58 spontaneously at regular time intervals.
  • the main body control unit 56 drives the blower motor 50 and the brush motor 92.
  • the main body control unit 56 receives the operation information from the first communication unit 58 and controls the blower motor 50 and the brush motor 92 based on the operation information.
  • the potential of the reference potential line 52 fluctuates while the energizing current (alternating current) of the brush motor 92 is flowing. . That is, the potential fluctuation of the reference potential line 52 is large when the value of the energizing current of the brush motor 92 (hereinafter may be simply referred to as the energizing current) is large, and the potential fluctuation of the reference potential line 52 is small when the value of the energizing current is small.
  • FIG. 6 is a diagram showing the relationship between the communication period T2 and the energization current.
  • FIG. 6 shows a communication signal waveform which is a signal waveform of the communication line, a 100 V voltage waveform, and a brush motor energization current waveform.
  • the communication period T2 starts and ends in the zero period T3 in which the energization current becomes zero.
  • the communication periods T2 provided periodically start and end in the zero period T3.
  • the main body control unit 56 uses the zero point (the timing at which the energization current becomes 0) of the AC voltage that is the output of the detection unit 64. That is, the main body control unit 56 transmits the first communication signal at the timing when the energization current becomes 0 and the output of the detection unit 64 is received, and receives the second communication signal during the zero period T3.
  • the communication period T2 is, for example, 1 [msec].
  • the zero period T3 is, for example, 1.5 to 2 [msec].
  • FIG. 7 shows a partially enlarged view of FIG.
  • the first communication signal and the second communication signal are transmitted during the period in which the reference potential is not affected by the energization current. it can. Therefore, communication accuracy can be improved.
  • the vacuum cleaner according to Embodiment 1 of the present invention reduces the communication accuracy by providing the communication period T2 in the zero period T3 while reducing the number of lines by causing the brush motor current to flow through the reference potential line. It is to prevent.
  • the vacuum cleaner 10 can be variously modified as long as this characteristic is not lost.
  • the detection unit 64 may have a configuration other than the zero cross circuit as long as the energization state of the brush motor 92 can be detected.
  • FIG. 8 is a circuit diagram illustrating a modification of the detection unit.
  • the detection unit shown in FIG. 8 is formed of a circuit having a current transformer.
  • the main body control unit receives the output of this circuit and completes the communication period T2 during the zero period T3.
  • FIG. 9 is a circuit diagram showing another modification of the detection unit. This circuit is formed of a circuit having a current transformer, similarly to the detection unit of FIG.
  • the detection unit in FIG. 8 is a half-wave rectification type, whereas the detection unit in FIG. 9 is a full-wave rectification type.
  • a shunt resistor may be provided in the detection unit. That is, the zero period T3 is detected by the shunt resistance provided in the reference potential line.
  • the content of data communication in the communication period T2 is not limited to the first communication signal and the second communication signal, and can be any content necessary for the operation of the vacuum cleaner. These modifications can also be applied to the vacuum cleaner according to the following embodiment.
  • Embodiment 2 Since the electric vacuum cleaner according to Embodiment 2 of the present invention has a lot in common with Embodiment 1, the difference from Embodiment 1 will be mainly described.
  • the communication period is completed during the zero period.
  • this requirement may be relaxed, and the communication period T2 may be provided in a period other than the zero period.
  • FIG. 10 is a diagram illustrating a communication period and the like according to the second embodiment.
  • FIG. 10 shows a communicable period T4.
  • the communicable period T4 is a period during which the communication period T2 is permitted to be provided.
  • This communicable period T4 is a period during which the energization current of the brush motor is equal to or less than a predetermined value.
  • the specified value is set to a value such that a change in the reference potential due to an energization current that is less than or equal to the specified value does not reduce the communication accuracy.
  • the operating voltage ranges of the main body control unit 56, the first communication unit 58, the second communication unit 70, and the operation control unit 72 it is preferable to set the specified value so as not to deviate from the operating voltage range. .
  • the main body control unit performs data communication between the first communication unit and the second communication unit during a period (communication enabled period T4) in which the energization current of the brush motor is equal to or less than a specified value based on the detection result of the detection unit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

La présente invention concerne un aspirateur comprenant : une partie corps principal qui génère un air d'aspiration; une partie de manipulation qui est raccordée à la partie corps principal; une partie d'aspiration permettant d'aspirer la saleté et la poussière, ladite partie d'aspiration étant raccordée à la partie de manipulation et comprenant une brosse rotative et un moteur de permettant d'entraîner la brosse rotative; une première partie de communication qui est disposée dans la partie corps principal et communique des données avec la partie de manipulation; une partie de commande de corps principal qui commande la première partie de communication; une seconde partie de communication qui est disposée dans la partie de manipulation et communique des données avec la première partie de communication; une partie de commande de manipulation qui transmet des données à la seconde partie de communication; une ligne de potentiel de référence qui applique un potentiel de référence à la première partie de communication et la seconde partie de communication et qui est utilisée pour l'alimentation en énergie du moteur de brosse; et une partie de détection permettant de détecter l'état d'alimentation en énergie du moteur de brosse. En fonction du résultat de la détection de la partie de détection, la partie de commande de corps principal entraîne une communication de données entre la première partie de communication et la seconde partie de communication dans une période dans laquelle le courant d'alimentation en énergie du moteur de brosse est inférieur ou égal à la valeur définie prédéterminée.
PCT/JP2015/051532 2014-02-28 2015-01-21 Aspirateur WO2015129344A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016505101A JP6103130B2 (ja) 2014-02-28 2015-01-21 電気掃除機
TW104104337A TWI576083B (zh) 2014-02-28 2015-02-10 電動吸塵器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014039052 2014-02-28
JP2014-039052 2014-02-28

Publications (1)

Publication Number Publication Date
WO2015129344A1 true WO2015129344A1 (fr) 2015-09-03

Family

ID=54008673

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/051532 WO2015129344A1 (fr) 2014-02-28 2015-01-21 Aspirateur

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JP (1) JP6103130B2 (fr)
TW (1) TWI576083B (fr)
WO (1) WO2015129344A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06339444A (ja) * 1993-05-31 1994-12-13 Sanyo Electric Co Ltd 電気掃除機
JP2006181079A (ja) * 2004-12-27 2006-07-13 Sanyo Electric Co Ltd 電気掃除機
JP2007312962A (ja) * 2006-05-25 2007-12-06 Toshiba Corp 電気掃除機
JP2010051628A (ja) * 2008-08-29 2010-03-11 Sanyo Electric Co Ltd 電気掃除機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10313360A1 (de) * 2003-03-25 2004-10-21 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Vorrichtung zum Erfassen der Registrierung des Anschlusses eines Hausgerätes an einer Busleitungsanordnung
TW200923850A (en) * 2007-11-27 2009-06-01 Ind Tech Res Inst Moving apparatus with combination of mobile communication apparatus and moving platform

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06339444A (ja) * 1993-05-31 1994-12-13 Sanyo Electric Co Ltd 電気掃除機
JP2006181079A (ja) * 2004-12-27 2006-07-13 Sanyo Electric Co Ltd 電気掃除機
JP2007312962A (ja) * 2006-05-25 2007-12-06 Toshiba Corp 電気掃除機
JP2010051628A (ja) * 2008-08-29 2010-03-11 Sanyo Electric Co Ltd 電気掃除機

Also Published As

Publication number Publication date
JPWO2015129344A1 (ja) 2017-03-30
TWI576083B (zh) 2017-04-01
TW201601672A (zh) 2016-01-16
JP6103130B2 (ja) 2017-03-29

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