WO2016114024A1 - Electric vacuum cleaner - Google Patents

Electric vacuum cleaner Download PDF

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Publication number
WO2016114024A1
WO2016114024A1 PCT/JP2015/083624 JP2015083624W WO2016114024A1 WO 2016114024 A1 WO2016114024 A1 WO 2016114024A1 JP 2015083624 W JP2015083624 W JP 2015083624W WO 2016114024 A1 WO2016114024 A1 WO 2016114024A1
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Prior art keywords
vacuum cleaner
charging
cleaner
cleaner body
electric
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PCT/JP2015/083624
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French (fr)
Japanese (ja)
Inventor
岩原　明弘
昌美 頼田
飯塚　政義
拓也 古山
尭信 近藤
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.)
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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 JP2016569252A priority Critical patent/JP6399110B2/en
Priority to TW104143083A priority patent/TWI597915B/en
Publication of WO2016114024A1 publication Critical patent/WO2016114024A1/en

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    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported 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

Definitions

  • This invention relates to the vacuum cleaner which provided the air cleaner in the charging stand which charges the secondary battery of a vacuum cleaner main body.
  • a secondary battery of a cordless type vacuum cleaner body provided with a rechargeable battery is charged by placing the vacuum cleaner body on a charging stand (see, for example, Patent Document 1).
  • the electrical connection between the main body of the vacuum cleaner and the charging stand is detected by the contact of the electrical connection between the two.
  • the reliability of detection is low due to poor contact.
  • it is necessary to newly provide a contact for detection there is a problem that the cost increases.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an electric vacuum cleaner capable of detecting the electrical connection between the main body of the vacuum cleaner and the charging stand by inexpensive and highly reliable means. Is what you get.
  • An electric vacuum cleaner includes an electric blower, a vacuum cleaner body having a secondary battery that supplies electric power to the electric blower, and a charging stand that supplies a charging current to the secondary battery, and the charging
  • the stand is an air cleaner, a first charge state detection circuit that detects whether or not the cleaner body is in a charged state by the charging current, and whether or not the detected cleaner state is in the charged state.
  • a first control circuit for controlling the air cleaner according to the method.
  • the cleaner body is in a charged state by the charging current.
  • the electrical connection between the cleaner body and the charging stand can be detected by inexpensive and highly reliable means.
  • FIG. 1 is a perspective view showing a vacuum cleaner according to an embodiment of the present invention.
  • the electric vacuum cleaner 1 includes a vacuum cleaner body 2 and a charging stand 3.
  • the vacuum cleaner body 2 is placed on the charging stand 3 in an upright state.
  • FIG. 2 is a side view showing the cleaner body according to the embodiment of the present invention.
  • the vacuum cleaner body 2 is a cordless stick type (vertical) vacuum cleaner having an electric blower 4 and a secondary battery 5 that supplies electric power to the electric blower 4.
  • the main body 6 of the vacuum cleaner main body 2 is formed in an external cylindrical shape, and an electric blower 4, a secondary battery 5, a control circuit board 7 and the like are provided therein.
  • the grip portion 8 is a handle for the user to grip when cleaning, and is provided on the front side surface of the main body portion 6.
  • a hand switch 9 is provided on the grip 8 for the user to switch the input of the electric blower 4 or switch the charging mode.
  • the dust separating unit 10 is detachably attached to the lower surface side of the main body 6 and is configured in an external cylindrical shape having the same diameter as the main body 6.
  • the connection pipe 11 is a ventilation pipe that extends downward from the lower surface of the main body 6.
  • An inhaler 12 is provided at the lower end of the connecting pipe 11.
  • the electric blower 4 sucks dust together with air from the suction tool 12 through the connection pipe 11.
  • the dust separation unit 10 is a cyclone type having a swirl chamber, and separates and collects dust in the swirl chamber.
  • the dust separation unit 10 is not limited to the cyclone type and may be a paper pack type.
  • FIG. 3 is a perspective view showing a charging stand according to the embodiment of the present invention.
  • the charging stand 3 is connected to an external power source by a power cable 13.
  • the electrical connection portions 14 and 15 of both are electrically connected, and the charging stand 3 supplies a charging current to the secondary battery 5 of the cleaner body 2. .
  • FIG. 4 is a side view showing the electric vacuum cleaner according to the embodiment of the present invention.
  • FIG. 5 is a cross-sectional view showing the internal configuration of the charging stand according to the embodiment of the present invention.
  • the charging stand 3 includes a pedestal portion 16 and a columnar column portion 17 supported upright on the pedestal portion 16.
  • An intake port 18 is provided on the back side of the support column 17.
  • Exhaust ports 19 are provided on both side surfaces of the pedestal portion 16.
  • the intake port 18 and the exhaust port 19 communicate with each other through a duct portion 20 formed in the internal space of the support column portion 17.
  • the duct portion 20 is provided with a fan 21 for sucking air from the air inlet 18 and exhausting it to the air outlet 19, and a filter 22 for purifying air sucked from the air inlet 18.
  • the air inlet 18, the air outlet 19, the duct part 20, the fan 21, and the filter 22 constitute an air cleaner 23.
  • the cleaner body 2 When the cleaner body 2 is used for cleaning, dust is scattered in the air. Since the scattered dust can be removed by the air purifier 23 of the charging stand 3, the indoor air after cleaning can be purified.
  • FIG. 6 is a block diagram showing the vacuum cleaner according to the embodiment of the present invention.
  • the charging stand 3 includes an air purifier 23, a power supply circuit 24, an air purifier drive circuit 25, a first charge state detection circuit 26, and a first control circuit 27.
  • the power circuit 24 is an AC-DC converter that converts alternating current input from an external power source via the power cable 13 into direct current.
  • the first control circuit 27 instructs the air cleaner drive circuit 25 to control the air cleaner 23.
  • the first charge state detection circuit 26 has an operational amplifier OP1, resistors R1, R2, R3, and capacitors C1, C2.
  • a resistor R4 is connected between the negative output of the power supply circuit 24 and the cleaner body 2.
  • the first charging state detection circuit 26 detects a charging current supplied from the power supply circuit 24 to the cleaner body 2 by detecting a potential difference between both ends of the resistor R4.
  • Resistance values of the resistors R1, R2, R3, and R4 are 1 k ⁇ , 82 k ⁇ ⁇ 1%, 1 k ⁇ ⁇ 1%, and 0.082 ⁇ , respectively.
  • the capacitance values of the capacitors C1 and C2 are both 0.1 ⁇ F.
  • the power supply voltage Vcc is 5V.
  • the vacuum cleaner body 2 includes an electric blower 4, a secondary battery 5, an electric blower drive circuit 28, a second control circuit 29, a charge control circuit 30, a second charge state detection circuit 31, and a charge notification. Part 32.
  • the second control circuit 29 instructs the electric blower drive circuit 28 to control the electric blower 4.
  • the charging control circuit 30 initially supplies a constant current to the secondary battery 5 to perform charging, switches to constant voltage charging when the voltage of the secondary battery 5 exceeds a predetermined value, and charges until the charging current falls below the predetermined value. Continue.
  • the second charging state detection circuit 31 detects the charging current supplied from the power supply circuit 24 to the cleaner body 2 with the same configuration as the first charging state detection circuit 26.
  • the charging notification unit 32 notifies the charging state of the cleaner body 2 detected by the second charging state detection circuit 31.
  • the charging notification unit 32 is an LED lamp, and lights up during charging and notifies the end of charging by turning off.
  • the first charging state detection circuit 26 detects whether or not the cleaner body 2 is in a charged state by a charging current for charging the secondary battery 5.
  • the first control circuit 27 controls the air cleaner 23 according to whether or not the detected cleaner body 2 is in a charged state. Specifically, the first control circuit 27 weakens the electric power supplied to the air cleaner 23 when the cleaner body 2 is in a charged state compared to when the cleaner body 2 is not in a charged state.
  • the second charging state detection circuit 31 detects whether or not the cleaner body 2 is in a charged state based on the charging current, and the second control circuit 29 detects the electric blower 4 when the cleaner body 2 is in a charged state. Stop.
  • the cleaner body 2 As described above, in the present embodiment, it is detected whether or not the cleaner body 2 is in a charged state by the charging current for charging the secondary battery 5. Therefore, since a contact for detecting the connection between the cleaner body 2 and the charging stand 3 is unnecessary, there is no fear of contact failure, and there is no need to newly provide a detection means such as a contact. As a result, the electrical connection between the cleaner body 2 and the charging stand 3 can be detected by inexpensive and highly reliable means.
  • the cleaner body 2 since the cleaner body 2 is not operating when it is in a charged state, the operation sound of the air cleaner 23 is noticeable. Therefore, when the cleaner body 2 is in the charged state, the power supplied to the air cleaner 23 is weakened compared to the case where the cleaner body 2 is not in the charged state, and the operation sound of the air cleaner 23 is reduced. In addition, since the amount of dust scattered in the air decreases as charging progresses, it is preferable to gradually reduce the power supplied to the air cleaner 23.
  • the first charging state detection circuit 26 detects that the cleaner body 2 is not in a charging state when the charging current before the start of charging is not flowing. Then, when the charging current smaller than that during charging flows after the charging of the secondary battery 5 is completed, it is detected that the cleaner body 2 is in a charged state. By distinguishing and detecting both, the air cleaner 23 can be operated appropriately.
  • FIG. 7 is a block diagram showing a modification of the vacuum cleaner according to the embodiment of the present invention.
  • an operational amplifier OP2 and resistors R5, R6, and R7 are added between the operational amplifier OP1 and the first control circuit 27.
  • the resistance values of the resistors R5, R6, and R7 are 1 k ⁇ , 100 k ⁇ ⁇ 1%, and 1 k ⁇ ⁇ 1%, respectively. Since the output signal of the operational amplifier OP1 is small, the output signal is amplified by a plurality of stages of amplifiers and supplied to the first control circuit 27.
  • first and second control circuits 29 are realized by a processing circuit such as a CPU or a system LSI that executes a program stored in a memory.
  • a plurality of processing circuits may cooperate to execute the above function.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Suction Cleaners (AREA)

Abstract

A vacuum cleaner body (2) has an electric blower (4) and a secondary cell (5) for supplying electrical power to the electric blower (4). A charging stand (3) supplies a charging current to the secondary cell (5). The charging stand (3) has an air cleaner (23), a first charge state detection circuit (26) for detecting whether or not the vacuum cleaner body (2) is in a charged state by the charging current, and a first control circuit (27) for controlling the air cleaner (23) according to the result of detecting whether or not the vacuum cleaner body (2) is in a charged state.

Description

電気掃除機Electric vacuum cleaner
　本発明は、掃除機本体の二次電池を充電する充電台に空気清浄機を設けた電気掃除機に関する。 This invention relates to the vacuum cleaner which provided the air cleaner in the charging stand which charges the secondary battery of a vacuum cleaner main body.
　充電池を備えたコードレスタイプの掃除機本体の二次電池は、掃除機本体を充電台に載置することで充電される（例えば、特許文献１参照）。 A secondary battery of a cordless type vacuum cleaner body provided with a rechargeable battery is charged by placing the vacuum cleaner body on a charging stand (see, for example, Patent Document 1).
日本特開２００１－１１２６８１号公報Japanese Unexamined Patent Publication No. 2001-112681
　掃除機本体と充電台の電気的な接続は両者の電気的接続部の接触により検出される。しかし、接触不良により検出の信頼性が低い。また、検出用の接点を新たに設ける必要があるため、コストが上昇するという問題があった。 The electrical connection between the main body of the vacuum cleaner and the charging stand is detected by the contact of the electrical connection between the two. However, the reliability of detection is low due to poor contact. Further, since it is necessary to newly provide a contact for detection, there is a problem that the cost increases.
　本発明は、上述のような課題を解決するためになされたもので、その目的は安価で信頼性の高い手段により掃除機本体と充電台の電気的な接続を検出することができる電気掃除機を得るものである。 The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an electric vacuum cleaner capable of detecting the electrical connection between the main body of the vacuum cleaner and the charging stand by inexpensive and highly reliable means. Is what you get.
　本発明に係る電気掃除機は、電動送風機と、前記電動送風機に電力を供給する二次電池とを有する掃除機本体と、前記二次電池に充電電流を供給する充電台とを備え、前記充電台は、空気清浄機と、前記充電電流により前記掃除機本体が充電状態にあるか否かを検出する第１の充電状態検出回路と、検出した前記掃除機本体の充電状態にあるか否かに応じて前記空気清浄機を制御する第１の制御回路とを有することを特徴とする。 An electric vacuum cleaner according to the present invention includes an electric blower, a vacuum cleaner body having a secondary battery that supplies electric power to the electric blower, and a charging stand that supplies a charging current to the secondary battery, and the charging The stand is an air cleaner, a first charge state detection circuit that detects whether or not the cleaner body is in a charged state by the charging current, and whether or not the detected cleaner state is in the charged state. And a first control circuit for controlling the air cleaner according to the method.
　本発明では充電電流により掃除機本体が充電状態にあるか否かを検出する。これにより、安価で信頼性の高い手段により掃除機本体と充電台の電気的な接続を検出することができる。 In the present invention, it is detected whether or not the cleaner body is in a charged state by the charging current. Thereby, the electrical connection between the cleaner body and the charging stand can be detected by inexpensive and highly reliable means.
本発明の実施の形態に係る電気掃除機を示す斜視図である。It is a perspective view which shows the vacuum cleaner which concerns on embodiment of this invention. 本発明の実施の形態に係る掃除機本体を示す側面図である。It is a side view which shows the cleaner body which concerns on embodiment of this invention. 本発明の実施の形態に係る充電台を示す斜視図である。It is a perspective view which shows the charging stand which concerns on embodiment of this invention. 本発明の実施の形態に係る電気掃除機を示す側面図である。It is a side view which shows the vacuum cleaner which concerns on embodiment of this invention. 本発明の実施の形態に係る充電台の内部構成を示す断面図である。It is sectional drawing which shows the internal structure of the charging stand which concerns on embodiment of this invention. 本発明の実施の形態に係る電気掃除機を示すブロック図である。It is a block diagram which shows the vacuum cleaner which concerns on embodiment of this invention. 本発明の実施の形態に係る電気掃除機の変形例を示すブロック図である。It is a block diagram which shows the modification of the vacuum cleaner which concerns on embodiment of this invention.
　図１は本発明の実施の形態に係る電気掃除機を示す斜視図である。電気掃除機１は掃除機本体２と充電台３を備える。掃除機本体２は直立した状態で充電台３に載置される。 FIG. 1 is a perspective view showing a vacuum cleaner according to an embodiment of the present invention. The electric vacuum cleaner 1 includes a vacuum cleaner body 2 and a charging stand 3. The vacuum cleaner body 2 is placed on the charging stand 3 in an upright state.
　図２は本発明の実施の形態に係る掃除機本体を示す側面図である。掃除機本体２は、電動送風機４と、電動送風機４に電力を供給する二次電池５とを有するコードレスタイプのスティック型（縦型）電気掃除機である。 FIG. 2 is a side view showing the cleaner body according to the embodiment of the present invention. The vacuum cleaner body 2 is a cordless stick type (vertical) vacuum cleaner having an electric blower 4 and a secondary battery 5 that supplies electric power to the electric blower 4.
　掃除機本体２の本体部６は外観円柱形状に構成され、その内部に電動送風機４、二次電池５、制御回路基板７などが設けられている。把持部８は、使用者が清掃時に把持するための取っ手であって本体部６の前側面に設けられている。使用者が電動送風機４の入力切替や充電モードの切り替えを行うための手元スイッチ９が把持部８に設けられている。 The main body 6 of the vacuum cleaner main body 2 is formed in an external cylindrical shape, and an electric blower 4, a secondary battery 5, a control circuit board 7 and the like are provided therein. The grip portion 8 is a handle for the user to grip when cleaning, and is provided on the front side surface of the main body portion 6. A hand switch 9 is provided on the grip 8 for the user to switch the input of the electric blower 4 or switch the charging mode.
　塵埃分離部１０は、本体部６の下面側に着脱自在に装着され、本体部６と同径の外観円柱形状に構成されている。接続管１１は本体部６の下面部から下方に向かって延びた通風管である。接続管１１の下端に吸入具１２が設けられている。 The dust separating unit 10 is detachably attached to the lower surface side of the main body 6 and is configured in an external cylindrical shape having the same diameter as the main body 6. The connection pipe 11 is a ventilation pipe that extends downward from the lower surface of the main body 6. An inhaler 12 is provided at the lower end of the connecting pipe 11.
　電動送風機４は、吸入具１２から接続管１１を通して空気と共に塵埃を吸引する。塵埃分離部１０は旋回室を備えたサイクロン式であり、旋回室により塵埃を分離して捕集する。なお、塵埃分離部１０はサイクロン式に限らず紙パック式でもよい。 The electric blower 4 sucks dust together with air from the suction tool 12 through the connection pipe 11. The dust separation unit 10 is a cyclone type having a swirl chamber, and separates and collects dust in the swirl chamber. The dust separation unit 10 is not limited to the cyclone type and may be a paper pack type.
　図３は本発明の実施の形態に係る充電台を示す斜視図である。充電台３は電源ケーブル１３によって外部電源に接続される。掃除機本体２が充電台３に載置されると、両者の電気的接続部１４，１５が電気的に接続され、充電台３は掃除機本体２の二次電池５に充電電流を供給する。 FIG. 3 is a perspective view showing a charging stand according to the embodiment of the present invention. The charging stand 3 is connected to an external power source by a power cable 13. When the cleaner body 2 is placed on the charging stand 3, the electrical connection portions 14 and 15 of both are electrically connected, and the charging stand 3 supplies a charging current to the secondary battery 5 of the cleaner body 2. .
　図４は本発明の実施の形態に係る電気掃除機を示す側面図である。図５は本発明の実施の形態に係る充電台の内部構成を示す断面図である。充電台３は、台座部１６と、台座部１６に直立して支持された円柱状の支柱部１７とを有する。 FIG. 4 is a side view showing the electric vacuum cleaner according to the embodiment of the present invention. FIG. 5 is a cross-sectional view showing the internal configuration of the charging stand according to the embodiment of the present invention. The charging stand 3 includes a pedestal portion 16 and a columnar column portion 17 supported upright on the pedestal portion 16.
　支柱部１７の背面側に吸気口１８が設けられている。台座部１６の両側面に排気口１９が設けられている。吸気口１８と排気口１９は支柱部１７の内部空間に形成されたダクト部２０を介して連通している。ダクト部２０には、吸気口１８から空気を吸気して排気口１９へ排気するためのファン２１と、吸気口１８から吸入された空気を浄化するフィルター２２とが設けられている。これらの吸気口１８、排気口１９、ダクト部２０、ファン２１、及びフィルター２２が空気清浄機２３を構成する。 An intake port 18 is provided on the back side of the support column 17. Exhaust ports 19 are provided on both side surfaces of the pedestal portion 16. The intake port 18 and the exhaust port 19 communicate with each other through a duct portion 20 formed in the internal space of the support column portion 17. The duct portion 20 is provided with a fan 21 for sucking air from the air inlet 18 and exhausting it to the air outlet 19, and a filter 22 for purifying air sucked from the air inlet 18. The air inlet 18, the air outlet 19, the duct part 20, the fan 21, and the filter 22 constitute an air cleaner 23.
　掃除機本体２を用いて掃除を行うと空気中に塵埃が飛散する。この飛散した塵埃を充電台３の空気清浄機２３によって取り除くことができるので、清掃後の室内の空気を浄化することができる。 When the cleaner body 2 is used for cleaning, dust is scattered in the air. Since the scattered dust can be removed by the air purifier 23 of the charging stand 3, the indoor air after cleaning can be purified.
　図６は本発明の実施の形態に係る電気掃除機を示すブロック図である。充電台３は、空気清浄機２３と、電源回路２４と、空気清浄機駆動回路２５と、第１の充電状態検出回路２６と、第１の制御回路２７とを有する。電源回路２４は電源ケーブル１３を介して外部電源から入力した交流を直流に変換するＡＣ－ＤＣコンバータである。第１の制御回路２７は空気清浄機駆動回路２５に指示を出して空気清浄機２３を制御する。 FIG. 6 is a block diagram showing the vacuum cleaner according to the embodiment of the present invention. The charging stand 3 includes an air purifier 23, a power supply circuit 24, an air purifier drive circuit 25, a first charge state detection circuit 26, and a first control circuit 27. The power circuit 24 is an AC-DC converter that converts alternating current input from an external power source via the power cable 13 into direct current. The first control circuit 27 instructs the air cleaner drive circuit 25 to control the air cleaner 23.
　第１の充電状態検出回路２６はオペアンプＯＰ１と抵抗Ｒ１，Ｒ２，Ｒ３とコンデンサＣ１，Ｃ２を有する。電源回路２４の－側出力と掃除機本体２の間に抵抗Ｒ４が接続されている。第１の充電状態検出回路２６は抵抗Ｒ４の両端の電位差を検出することで、電源回路２４から掃除機本体２に供給される充電電流を検出する。 The first charge state detection circuit 26 has an operational amplifier OP1, resistors R1, R2, R3, and capacitors C1, C2. A resistor R4 is connected between the negative output of the power supply circuit 24 and the cleaner body 2. The first charging state detection circuit 26 detects a charging current supplied from the power supply circuit 24 to the cleaner body 2 by detecting a potential difference between both ends of the resistor R4.
　抵抗Ｒ１，Ｒ２，Ｒ３，Ｒ４の抵抗値はそれぞれ１ｋΩ、８２ｋΩ±１％、１ｋΩ±１％、０．０８２Ωである。コンデンサＣ１，Ｃ２の容量値はどちらも０．１μＦである。電源電圧Ｖｃｃは５Ｖである。 Resistance values of the resistors R1, R2, R3, and R4 are 1 kΩ, 82 kΩ ± 1%, 1 kΩ ± 1%, and 0.082Ω, respectively. The capacitance values of the capacitors C1 and C2 are both 0.1 μF. The power supply voltage Vcc is 5V.
　掃除機本体２は、電動送風機４と、二次電池５と、電動送風機駆動回路２８と、第２の制御回路２９と、充電制御回路３０と、第２の充電状態検出回路３１と、充電報知部３２とを有する。第２の制御回路２９は電動送風機駆動回路２８に指示を出して電動送風機４を制御する。 The vacuum cleaner body 2 includes an electric blower 4, a secondary battery 5, an electric blower drive circuit 28, a second control circuit 29, a charge control circuit 30, a second charge state detection circuit 31, and a charge notification. Part 32. The second control circuit 29 instructs the electric blower drive circuit 28 to control the electric blower 4.
　充電制御回路３０は、最初は二次電池５に定電流を供給して充電を行い、二次電池５の電圧が所定値を超過すると定電圧充電に切り替え、充電電流が所定値を下回るまで充電を継続する。 The charging control circuit 30 initially supplies a constant current to the secondary battery 5 to perform charging, switches to constant voltage charging when the voltage of the secondary battery 5 exceeds a predetermined value, and charges until the charging current falls below the predetermined value. Continue.
　第２の充電状態検出回路３１は第１の充電状態検出回路２６と同様の構成により電源回路２４から掃除機本体２に供給される充電電流を検出する。充電報知部３２は、第２の充電状態検出回路３１により検出した掃除機本体２の充電状態を報知する。具体的には、充電報知部３２はＬＥＤランプであり、充電中は点灯し、消灯することで充電終了を報知する。 The second charging state detection circuit 31 detects the charging current supplied from the power supply circuit 24 to the cleaner body 2 with the same configuration as the first charging state detection circuit 26. The charging notification unit 32 notifies the charging state of the cleaner body 2 detected by the second charging state detection circuit 31. Specifically, the charging notification unit 32 is an LED lamp, and lights up during charging and notifies the end of charging by turning off.
　第１の充電状態検出回路２６は二次電池５を充電する充電電流により掃除機本体２が充電状態にあるか否かを検出する。第１の制御回路２７は検出した掃除機本体２が充電状態にあるか否かに応じて空気清浄機２３を制御する。具体的には、第１の制御回路２７は、掃除機本体２が充電状態にある場合には掃除機本体２が充電状態にない場合に比べて空気清浄機２３に供給する電力を弱める。 The first charging state detection circuit 26 detects whether or not the cleaner body 2 is in a charged state by a charging current for charging the secondary battery 5. The first control circuit 27 controls the air cleaner 23 according to whether or not the detected cleaner body 2 is in a charged state. Specifically, the first control circuit 27 weakens the electric power supplied to the air cleaner 23 when the cleaner body 2 is in a charged state compared to when the cleaner body 2 is not in a charged state.
　第２の充電状態検出回路３１は充電電流により掃除機本体２が充電状態にあるか否かを検出し、第２の制御回路２９は掃除機本体２が充電状態にある場合には電動送風機４を停止させる。 The second charging state detection circuit 31 detects whether or not the cleaner body 2 is in a charged state based on the charging current, and the second control circuit 29 detects the electric blower 4 when the cleaner body 2 is in a charged state. Stop.
　以上説明した通り、本実施の形態では二次電池５を充電する充電電流により掃除機本体２が充電状態にあるか否かを検出する。従って、掃除機本体２と充電台３の接続を検出する接点が不要であるため、接点の接触不良が発生する心配が無く、接点などの検出手段を新たに設ける必要が無い。この結果、安価で信頼性の高い手段により掃除機本体２と充電台３の電気的な接続を検出することができる。 As described above, in the present embodiment, it is detected whether or not the cleaner body 2 is in a charged state by the charging current for charging the secondary battery 5. Therefore, since a contact for detecting the connection between the cleaner body 2 and the charging stand 3 is unnecessary, there is no fear of contact failure, and there is no need to newly provide a detection means such as a contact. As a result, the electrical connection between the cleaner body 2 and the charging stand 3 can be detected by inexpensive and highly reliable means.
　また、掃除機本体２は充電状態にある場合には動作していないため、空気清浄機２３の動作音が目立ってしまう。そこで、掃除機本体２が充電状態にある場合には充電状態にない場合に比べて空気清浄機２３に供給する電力を弱めて、空気清浄機２３の動作音を低減させる。なお、充電が進むにつれて空気中に飛散した塵埃の量が減ってくるため、空気清浄機２３に供給する電力を次第に弱めることが好ましい。 Moreover, since the cleaner body 2 is not operating when it is in a charged state, the operation sound of the air cleaner 23 is noticeable. Therefore, when the cleaner body 2 is in the charged state, the power supplied to the air cleaner 23 is weakened compared to the case where the cleaner body 2 is not in the charged state, and the operation sound of the air cleaner 23 is reduced. In addition, since the amount of dust scattered in the air decreases as charging progresses, it is preferable to gradually reduce the power supplied to the air cleaner 23.
　また、第１の充電状態検出回路２６は、充電開始前の充電電流が流れていない場合に掃除機本体２が充電状態にないと検出する。そして、二次電池５の充電完了後に充電中に比べて小さい充電電流が流れている場合に掃除機本体２が充電状態にあると検出する。両者を区別して検出することで空気清浄機２３を適切に動作させることができる。 Further, the first charging state detection circuit 26 detects that the cleaner body 2 is not in a charging state when the charging current before the start of charging is not flowing. Then, when the charging current smaller than that during charging flows after the charging of the secondary battery 5 is completed, it is detected that the cleaner body 2 is in a charged state. By distinguishing and detecting both, the air cleaner 23 can be operated appropriately.
　図７は本発明の実施の形態に係る電気掃除機の変形例を示すブロック図である。変形例では第１の充電状態検出回路２６において、オペアンプＯＰ１と第１の制御回路２７の間にオペアンプＯＰ２と抵抗Ｒ５，Ｒ６，Ｒ７を追加する。抵抗Ｒ５，Ｒ６，Ｒ７の抵抗値はそれぞれ１ｋΩ、１００ｋΩ±１％、１ｋΩ±１％である。オペアンプＯＰ１の出力信号は小さいため、出力信号を複数段の増幅器で増幅して第１の制御回路２７に供給する。 FIG. 7 is a block diagram showing a modification of the vacuum cleaner according to the embodiment of the present invention. In the modification, in the first charge state detection circuit 26, an operational amplifier OP2 and resistors R5, R6, and R7 are added between the operational amplifier OP1 and the first control circuit 27. The resistance values of the resistors R5, R6, and R7 are 1 kΩ, 100 kΩ ± 1%, and 1 kΩ ± 1%, respectively. Since the output signal of the operational amplifier OP1 is small, the output signal is amplified by a plurality of stages of amplifiers and supplied to the first control circuit 27.
　なお、第１及び第２の制御回路２９は、メモリに記憶されたプログラムを実行するＣＰＵ、システムＬＳＩ等の処理回路により実現される。また、複数の処理回路が連携して上記機能を実行してもよい。 Note that the first and second control circuits 29 are realized by a processing circuit such as a CPU or a system LSI that executes a program stored in a memory. In addition, a plurality of processing circuits may cooperate to execute the above function.
１　電気掃除機、２　掃除機本体、３　充電台、４　電動送風機、５　二次電池、２３　空気清浄機、２６　第１の充電状態検出回路、２７　第１の制御回路、２９　第２の制御回路、３１　第２の充電状態検出回路、３２　充電報知部 1. Vacuum cleaner, 2. Vacuum cleaner body, 3. Charging stand, 4. Electric blower, 5. Secondary battery, 23. Air cleaner, 26. First charge state detection circuit, 27. First control circuit, 29. Second control circuit , 31 Second charge state detection circuit, 32 Charge notification unit

Claims (6)

  1. 　電動送風機と、前記電動送風機に電力を供給する二次電池とを有する掃除機本体と、
    　前記二次電池に充電電流を供給する充電台とを備え、
    　前記充電台は、
    　空気清浄機と、
    　前記充電電流により前記掃除機本体が充電状態にあるか否かを検出する第１の充電状態検出回路と、
    　検出した前記掃除機本体の充電状態にあるか否かに応じて前記空気清浄機を制御する第１の制御回路とを有することを特徴とする電気掃除機。     A vacuum cleaner body having an electric blower and a secondary battery for supplying electric power to the electric blower;
    A charging stand for supplying a charging current to the secondary battery,
    The charging stand is
    An air purifier,
    A first charge state detection circuit that detects whether or not the cleaner body is in a charged state by the charging current;
    A vacuum cleaner comprising: a first control circuit that controls the air cleaner according to whether or not the detected vacuum cleaner body is in a charged state.
  2. 　前記第１の制御回路は、前記掃除機本体が充電状態にある場合には前記掃除機本体が充電状態にない場合に比べて前記空気清浄機に供給する電力を弱めることを特徴とする請求項１に記載の電気掃除機。 The said 1st control circuit weakens the electric power supplied to the said air cleaner when the said vacuum cleaner main body is in a charging state compared with the case where the said vacuum cleaner main body is not in a charging state. The electric vacuum cleaner according to 1.
  3. 　前記第１の充電状態検出回路は、前記充電電流が流れていない場合に前記掃除機本体が充電状態にないと検出し、充電電流が流れている場合に前記掃除機本体が充電状態にあると検出することを特徴とする請求項１又は２に記載の電気掃除機。 When the charging current is not flowing, the first charging state detection circuit detects that the cleaner body is not in a charging state, and when the charging current is flowing, the cleaner body is in a charging state. The vacuum cleaner according to claim 1 or 2, wherein the vacuum cleaner is detected.
  4. 　前記第１の充電状態検出回路は、出力信号を増幅して前記第１の制御回路に供給する複数段の増幅器を有することを特徴とする請求項１～３の何れか１項に記載の電気掃除機。 The electric circuit according to any one of claims 1 to 3, wherein the first charging state detection circuit includes a plurality of amplifiers that amplify an output signal and supply the amplified output signal to the first control circuit. Vacuum cleaner.
  5. 　前記掃除機本体は、
    　前記充電電流により前記掃除機本体が充電状態にあるか否かを検出する第２の充電状態検出回路と、
    　前記掃除機本体が充電状態にある場合には前記電動送風機を停止させる第２の制御回路とを有することを特徴とする請求項１～４の何れか１項に記載の電気掃除機。     The vacuum cleaner body is
    A second charge state detection circuit for detecting whether or not the cleaner body is in a charged state by the charging current;
    5. The electric vacuum cleaner according to claim 1, further comprising a second control circuit that stops the electric blower when the main body of the vacuum cleaner is in a charged state.
  6. 　前記掃除機本体は、前記第２の充電状態検出回路により検出した前記掃除機本体の充電状態を報知する充電報知部を有することを特徴とする請求項５に記載の電気掃除機。 6. The electric vacuum cleaner according to claim 5, wherein the vacuum cleaner main body has a charge notification section for notifying a charge state of the vacuum cleaner main body detected by the second charge state detection circuit.
PCT/JP2015/083624 2015-01-15 2015-11-30 Electric vacuum cleaner WO2016114024A1 (en)

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