WO2016122214A1 - 진공 청소기 - Google Patents
진공 청소기 Download PDFInfo
- Publication number
- WO2016122214A1 WO2016122214A1 PCT/KR2016/000895 KR2016000895W WO2016122214A1 WO 2016122214 A1 WO2016122214 A1 WO 2016122214A1 KR 2016000895 W KR2016000895 W KR 2016000895W WO 2016122214 A1 WO2016122214 A1 WO 2016122214A1
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- WO
- WIPO (PCT)
- Prior art keywords
- battery
- charging
- current
- controller
- voltage
- Prior art date
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- 239000000428 dust Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Classifications
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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
- 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
- A47L9/2884—Details of arrangements of batteries or their installation
-
- 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
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4002—Installations of electric equipment
- A47L11/4005—Arrangements of batteries or cells; Electric power supply arrangements
-
- 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
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4002—Installations of electric equipment
- A47L11/4008—Arrangements of switches, indicators or the like
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- H02J7/027—
Definitions
- the present specification relates to a vacuum cleaner.
- a vacuum cleaner is a device that sucks air containing dust by using suction power generated by a suction motor mounted inside the main body, and then filters the dust inside the main body.
- Such vacuum cleaners are classified into manual cleaners and automatic cleaners.
- a manual cleaner is a cleaner that a user needs to clean directly
- an automatic cleaner is a cleaner that performs cleaning while driving by itself.
- the manual cleaner may be distinguished by a canister method in which a suction nozzle is provided separately from the main body and connected by a connecting pipe, and an upright method in which the suction nozzle is coupled with the main body.
- Korean Patent Publication No. 10-2006-0118796 (published on November 24, 2006), which is a prior art document, discloses a power cord outlet of a cleaner.
- a cord reel assembly is provided in a main body, and the main body can be supplied with power by connecting a power cord to an outlet.
- the cleaner since the cleaner is supplied with power by the cord reel assembly, the cleaner may move as much as the length of the cord wound on the cord reel assembly when the cleaning is performed using the cleaner.
- An object of the present invention is to provide a vacuum cleaner that is easy to move.
- an object of the present invention is to provide a vacuum cleaner that can be smoothly charged after the discharge of the battery.
- Vacuum cleaner according to one aspect, the cleaner body having a suction motor for generating a suction force; A suction unit communicating with the cleaner body and configured to suck air and dust; A battery capable of supplying power to the suction motor; A battery management device capable of sensing a state of the battery; A charger capable of applying a charging current to the battery for charging the battery; A charging connector, which may be detachably connected to the cleaner body, for supplying commercial power to the cleaner body; And it may include a controller for controlling the charging of the battery.
- the controller may include a current sensing unit sensing a current applied to the battery.
- the controller attempts to charge the battery when the charging connector detects a connection, and after the attempt to charge the battery, charging of the battery is normally performed based on the current value detected by the current sensing unit. If not performed, charging of the battery may be retried.
- the controller may further include a charging switch to allow or block the flow of the charging current applied from the charger.
- the charging switch may be turned on when attempting to charge the battery.
- the controller may turn off the charging switch and turn on the charging switch again after a predetermined time.
- the charging switch after the charging switch is turned on, if the average value or current value of the current sensed by the current sensing unit is less than the reference current value, the charging switch may be turned off, and the charging switch may be turned on again after a predetermined time. have.
- the controller determines whether the battery is fully charged, and when the battery is fully charged, terminates charging of the battery. You can.
- the controller may turn off the charging switch when determining that the battery is fully charged.
- the controller may further include a voltage detector for sensing the voltage of the battery.
- the controller determines whether the voltage sensed by the voltage detector is greater than or equal to the full charge voltage, and when the voltage sensed by the voltage detector is greater than or equal to the full charge voltage, Attempt to charge the battery, it is possible to determine whether the battery is normally charged.
- the controller determines whether the current value or the average value of the current sensed by the current sensing unit is equal to or less than a reference current value, and the average value of the current value or current sensed by the current sensing unit is referenced. When the current value is less than or equal to, the controller may attempt to charge the battery and determine whether the battery is normally charged.
- the controller may repeatedly attempt to charge the battery until it is determined that the battery is normally charged.
- the battery management apparatus may include a switch that is turned off when the temperature of the battery is higher than a predetermined temperature in order to protect the battery.
- the switch May be off.
- the controller may determine that the battery is normally charged.
- a vacuum cleaner includes a cleaner body having a suction motor for generating a suction force; A suction unit communicating with the cleaner body and configured to suck air and dust; A battery capable of supplying power to the suction motor; A battery management device capable of sensing a state of the battery; A charger capable of applying a charging current to the battery for charging the battery, the charger being detachably connected to the cleaner body; And a controller capable of controlling the charging of the battery.
- the controller may include a current sensing unit sensing a current applied to the battery.
- the controller detects the connection of the charger and attempts to charge the battery, and after attempting to charge the battery, when the charging of the battery is not normally performed based on the current value detected by the current sensor, Recharging of the battery can be retried.
- the controller may include a charging switch that allows or blocks the flow of the charging current applied from the charger, and the charging switch may be turned on when attempting to charge the battery.
- the controller may turn off the charging switch and turn on the charging switch again after a predetermined time.
- the controller may turn off the charging switch and turn on the charging switch again after a predetermined time.
- a vacuum cleaner includes a cleaner body having a suction motor for generating a suction force; A suction unit communicating with the cleaner body and configured to suck air and dust; A battery capable of supplying power to the suction motor; A battery management device capable of sensing a state of the battery; A charger capable of applying a charging current to the battery for charging the battery; A charging connector, which may be detachably connected to the cleaner body, for supplying commercial power to the cleaner body; And a controller capable of controlling charging of the battery, wherein the controller includes at least one of a voltage sensing unit sensing a voltage of the battery and a current sensing unit sensing a voltage of the battery.
- the controller determines whether the battery is fully charged or not, based on the current or voltage detected by the current sensing unit or the voltage sensing unit when detecting the connection of the charging connector. Attempt to charge the battery, and if charging of the battery is not performed normally, retry charging of the battery.
- the controller When detecting the connection of the charging connector, it is determined whether the voltage sensed by the voltage detector is greater than or equal to the full charge voltage, and when the voltage sensed by the voltage detector is greater than or equal to the full charge voltage, the controller charges the battery. Attempt to determine whether or not the battery is normally charged.
- the controller may attempt to charge the battery and determine whether the battery is normally charged.
- the battery management apparatus may include a switch that is turned off when the temperature of the battery is higher than a predetermined temperature in order to protect the battery.
- the switch May be off.
- the controller may determine that the battery is normally charged.
- the vacuum cleaner since the vacuum cleaner does not have a cord reel to which the wire is wound and is supplied with power from the battery, the vacuum cleaner has no limitation on the moving distance of the vacuum cleaner, and rides over the wire in the process of moving the vacuum cleaner. There is no need to move while arranging the wires has the advantage of smooth movement.
- FIG. 1 is a perspective view of a vacuum cleaner according to a first embodiment.
- FIG. 2 is an exploded perspective view of the main body of the vacuum cleaner according to the first embodiment
- FIG. 3 is a block diagram showing a configuration of a vacuum cleaner according to a first embodiment.
- FIG. 4 is a flowchart illustrating a control method for charging a battery according to a first embodiment.
- FIG. 5 is a flowchart illustrating a control method for charging a battery according to a second embodiment.
- FIG. 6 is a flowchart illustrating a control method for charging a battery according to a third embodiment.
- FIG. 7 is a block diagram showing a configuration of a vacuum cleaner according to a fourth embodiment.
- FIG. 8 is a block diagram illustrating a configuration of a vacuum cleaner according to a fifth embodiment.
- first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms. If a component is described as being “connected”, “coupled” or “connected” to another component, that component may be directly connected or connected to that other component, but between components It will be understood that may be “connected”, “coupled” or “connected”.
- FIG. 1 is a perspective view of a vacuum cleaner according to a first embodiment
- Figure 2 is an exploded perspective view of the main body of the vacuum cleaner according to the first embodiment
- Figure 3 is a block diagram showing the configuration of a vacuum cleaner according to the first embodiment to be.
- the vacuum cleaner 1 includes a cleaner main body 10 including a suction motor 160 generating a suction force, and dust included in the cleaner main body 10. It may include a suction device 20 for guiding the air.
- the suction device 20 may include a suction part 21 for sucking dust on a floor surface as an example of a cleaning surface, and a connection part 22, 23, 24 for connecting the suction part 21 to the cleaner body 10. ) May be included.
- connection parts 22, 23, and 24 may include an extension tube 24 connected to the suction part 21, a handle 22 connected to the extension tube 24, and the handle 22 to the cleaner body ( It may include a suction hose 23 for connecting to 10).
- the vacuum cleaner 1 may include a dust separator (not shown) for separating the air sucked from the suction device 20 and dust from each other, and a dust bin 110 for storing the dust separated from the dust separator. It may further include.
- the dust container 110 may be detachably mounted to the cleaner body 10.
- the dust separator may be made of a separate article from the dust container 110 or may form a module with the dust container 110.
- the vacuum cleaner 1 includes a battery unit 120 including a battery 121 for supplying power for operating the suction motor 160, a charger 140 for charging the battery 121, and It may be detachably connected to the cleaner body 10, and may further include some or all of the charging connector 30 for supplying commercial power to the cleaner body 10.
- the battery unit 120 may include a housing 122 for protecting the battery 121.
- the charging connector 30 may include a plug 31 connected to an outlet and a first connector 32 connected to the cleaner body 10.
- the cleaner body 10 may include a second connector 102 (also referred to as a body connector) to which the first connector 32 is connected.
- the cleaner body 10 may include a first body 101 and a second body 103 coupled to the lower side of the first body 101. Wheels 105 may be coupled to both sides of the second body 103, respectively.
- the suction body 160, the battery unit 120, and the charger 140 may be installed in the second body 103.
- the suction motor 160 may be protected by the motor housing 162. That is, the suction motor 160 may be accommodated in the motor housing 162.
- the battery unit 120 may be located on the side of the motor housing 162, that is, the side of the suction motor 160, for the purpose of space efficiency, but is not limited thereto.
- the suction motor 160 and the battery 121 may be located between the plurality of wheels 105.
- the battery unit 120 may be positioned between any one of the plurality of wheels 105 and the suction motor 160, but is not limited thereto.
- the charger 140 may be disposed at a position spaced apart from the battery unit 120.
- the battery unit 120 may be provided in the suction part 21.
- the connection unit 20 may perform a function of transferring the power of the battery 121 to the cleaner body 10. That is, the connection part 20 may be provided with a wire.
- the dust container 110 may be detachably coupled to the first body 101.
- the second connector 102 may be provided on the first body 101.
- the battery 121 may include a plurality of battery cells.
- the plurality of battery cells may be rechargeable secondary batteries.
- the plurality of battery cells may be connected in series.
- the maximum charging voltage that can be charged in the battery 121 (which is the sum of the voltages of the plurality of battery cells) may exceed 42.4V as an example.
- the maximum charging voltage of the battery 120 may be 84.8V or more, and smaller than 220V, which is a commercial voltage.
- the charger 140 may perform rectification and smoothing operations to receive a commercial AC voltage and convert the DC voltage into a DC voltage.
- the DC voltage converted by the charger 140 may be supplied to the battery 121.
- the charger 140 may convert (depress) 220V commercial AC voltage into a DC voltage exceeding 42.4V.
- the charger 140 may include a transformer 141 for transforming an input AC voltage, and an AC-DC converter 142 for converting an AC voltage output from the transformer 141 into a DC voltage. At this time, the DC voltage output from the AC-DC converter 142 may exceed 42.4V.
- the transformer may transform the DC voltage output from the AC-DC converter.
- the DC voltage output from the transformer 141 may exceed 42.4V.
- the charger 140 may not include a transformer, and the AC-DC converter 142 may include a circuit for preventing a DC voltage from being converted into an AC voltage. That is, the AC-DC converter 142 may be an isolated converter. In the present embodiment, a well-known configuration may be used for the AC-DC converter, and thus a detailed description thereof will be omitted.
- the suction motor 160 may be, for example, a BLDC motor.
- the maximum output of the suction motor 160 may be, for example, 400W or more.
- the suction motor 160 may output high power. As a result, the suction power of the vacuum cleaner 1 is increased, thereby improving cleaning performance.
- the charging connector 30 may be connected to the vacuum cleaner 1 only when the battery 121 is being charged.
- the charging connector 30 may be vacuumed. Since it can be used separately from the vacuum cleaner 1, there is an advantage that the freedom of movement of the vacuum cleaner 1 is improved.
- the vacuum cleaner 1 since the vacuum cleaner 1 does not have a separate cord reel to which an electric wire is wound and is supplied with power from the battery 121, there is no limitation on the moving distance of the vacuum cleaner 1, and the vacuum Since the cleaner 1 does not need to move over the wires or clean the wires in the process of moving, the movement is smooth.
- the battery 121 is electrically connected to the second connector 102 and the maximum charging voltage of the battery 121 may be 84.8V or more, the user without the transformer 141 The user may be in danger by contacting the second connector 102.
- the charger 140 since the charger 140 includes the transformer 141, the transformer 141 serves as an insulating role, thereby improving user safety.
- the vacuum cleaner 1 may further include a battery management system (BMS) 180.
- BMS battery management system
- the battery management device 180 may detect a state of each of the plurality of battery cells and transmit the detected state to the controller 150.
- the battery management device 180 may detect voltages of each of the plurality of battery cells.
- the battery management apparatus 180 may allow a voltage between the plurality of battery cells to be uniform when charging or discharging each of the plurality of battery cells. That is, the battery management device 180 may manage discharge of each of the plurality of battery cells so that power is supplied from each of the plurality of battery cells to the suction motor 160.
- the battery management device 180 may include a first switch 182 and a second switch 184.
- the first switch 182 may be turned off when the temperature of the battery 121 becomes higher than the reference temperature.
- the reason why the first switch 182 is turned off is to protect the battery 121 by preventing charging when the temperature of the battery 121 is higher than or equal to a reference temperature.
- a state in which the first switch 182 is turned off may be referred to as a state in which the battery protection mode is performed.
- the battery 121 When the first switch 182 is off, the battery 121 is not charged. When the temperature of the battery 121 is lower than the reference temperature, the first switch 182 may be turned on, and the battery 121 may be charged when the first switch 182 is turned on.
- the second switch 184 may be turned off when the temperature of the battery 121 becomes higher than or equal to the reference temperature during the discharging process of the battery 121.
- the controller 150 may control the suction motor 160 and control the operation of the suction motor 160 according to the voltage of the battery 121.
- the controller 150 may include a current detector 172 for sensing a current.
- the controller 150 may further include a voltage detector 174 for sensing a voltage.
- the controller 150 may determine whether the battery 121 is fully charged based on at least one of a current sensed by the current detector 172 and a voltage detected by the voltage detector 174.
- the full charge of the battery 121 means that the charging of the battery 121 is completed.
- the controller 150 may further include a charging switch 176.
- the charging switch 176 may be turned on to charge the battery 121.
- the charging switch 176 may be turned off when only the battery 121 is charged.
- the vacuum cleaner 1 may further include a user interface 178.
- the user interface 170 may receive an operation command of the vacuum cleaner 1 and display operation information or state information of the vacuum cleaner 1.
- the user interface 178 may be provided on one or more of the handle 22 and the cleaner body 10.
- the user interface 178 may be provided in a form in which an input unit and a display unit are integrally provided, or may include a separate input unit and a display unit.
- the user interface 178 may include a notification unit for outputting a voice.
- the display unit may display at least remaining amount information of the battery 121.
- the suction force strength may be set stepwise to strong (when suction input is maximum), medium, or weak (when suction input is minimum), and may select suction force strength of the suction motor 160 through the input unit. have.
- the suction force intensity is described as being adjusted in three stages, but it is noted that there is no limit to the number of steps for dividing the suction force intensity.
- the controller 150 may display information indicating that the battery 121 needs to be charged on the display unit.
- the reference voltage may be stored in a memory not shown.
- the display unit may display the remaining amount of the battery 121 continuously or stepwise.
- the display unit may display the remaining amount of the battery 121 in the form of numbers, symbols, or graphs.
- the display unit may include a plurality of light emitting units and display the remaining amount of the battery 121 by varying the number of light emitting units on.
- the display unit may display the remaining amount of the battery 121 by changing the color of light emitted from the light emitter.
- FIG. 4 is a flowchart illustrating a control method for charging a battery according to a first embodiment.
- a user may perform cleaning using the cleaner body 10. After the cleaning is completed, charging of the battery 121 may be performed.
- the user may perform cleaning in a state in which the charging connector 30 is separated from the cleaner body 10, and for charging the battery 121, the user may clean the charging connector 30 in the cleaner body 10. Can be connected. That is, the cleaner body 10 waits for the connection of the charging connector 30 (S1).
- the controller 150 may determine whether the charging connector 30 is connected to the cleaner body 10 (S2). Of course, the plug 31 of the charging connector 30 may be in a state connected to the outlet.
- the current sensed by the current detector 172 is changed, and the controller 150 changes the current in the current detector 172.
- the method of determining whether the charging connector 30 is connected in the present specification is not limited thereto.
- step S2 when it is determined that the charging connector 30 is in the cleaner body 10, the controller 30 determines whether the voltage sensed by the voltage sensing unit 174 is equal to or greater than the full charging voltage. (S3).
- the voltage detector 174 is applied to the charger 140. Voltage can be sensed. At this time, the commercial voltage is higher than the full charge voltage of the battery 121. Alternatively, when the battery 121 is fully charged, the user may connect the charging connector to the cleaner body 10 again. In this case, the voltage detected by the voltage detector 174 may be the same as the full charging voltage. have.
- the voltage detecting unit 174 may sense a voltage less than a full charging voltage, and the charging of the battery 121 is performed. Can be performed.
- step S3 may be referred to as determining whether the battery can be charged or determining battery protection mode.
- step S3 when the voltage sensed by the voltage sensing unit 174 is less than the full charge voltage, the controller 150 generates a charging signal for charging the battery 121 (S4). Then, the charging switch 176 may be turned on (S5). That is, the controller 150 may turn on the charging switch 176.
- a current for charging may be applied to the battery 121 to charge the battery 121.
- the controller 150 determines whether the battery 121 is fully charged (S6). For example, the controller 150 may determine whether the voltage sensed by the voltage detector 174 reaches the full charge voltage.
- the controller 150 may determine whether the voltage sensed by the current sensing unit 172 is less than or equal to the charging reference current. For example, while the battery 121 is being charged, the current value detected by the current detector 172 may be a first current value. When the battery 121 is fully charged, the current value detected by the current detector 172 may be a second current value, and the second current value may be smaller than the first current value. That is, when the battery 121 is fully charged, the current value detected by the current detector 172 becomes small.
- the controller 150 may determine whether the battery 121 is only charged based on the voltage sensed by the voltage detector 174 and the current by the current detector 172.
- the controller 150 may terminate the charging of the battery 121 (S12). For example, the controller 150 may turn off the charging switch 176.
- step S3 when the voltage sensed by the voltage sensing unit 174 is greater than or equal to the charging voltage, the controller 150 generates a charging signal for charging the battery 121 (S7). Then, the charging switch 176 may be turned on (S8).
- the controller 150 determines whether the average value of the current detected by the current sensing unit 172 for a predetermined time is greater than or equal to a reference current value (S9).
- the charging current is not applied to the battery 121 even when the charging switch 176 is turned on.
- the current sensed at 172 may be zero.
- the average value of the current detected by the current detector 172 for a predetermined time will be less than the reference current value.
- step S9 may be referred to as a first switch-on determination step, a battery protection mode release determination step, or a normal charging state determination step.
- step S9 when it is determined in step S9 that the average value of the current detected by the current detector 172 for a predetermined time is less than the reference current value, the controller 150 turns off the charging switch 176.
- the controller 150 may generate a charging signal again to turn on the charging switch 176.
- the first switch 182 may be turned on when the temperature of the battery 121 is less than the reference temperature. As described above, when the first switch 182 is turned on, the battery 121 may be charged.
- the average value of the current sensed by the current sensing unit 172 will be equal to or greater than the reference current value.
- step S9 when the average value of the current sensed by the current detector 172 for a predetermined time is equal to or greater than a reference current value, since the charging of the battery 121 is being performed, the controller 150 causes the battery to be charged. It is determined whether the battery 121 is fully charged (S11).
- the determination method in step S11 may be the same as or different from the determination method in step S6.
- the controller 150 may terminate the charging of the battery 121 (S12). For example, the controller 150 may turn off the charging switch 176.
- charging may be attempted and whether to retry charging may be determined based on the current value detected by the current sensing unit. That is, when the battery is not charged after the first charging attempt, charging of the battery may be retried. At this time, the number of retries may be one or more times.
- step S3, step S7 to step S10 is not implemented, that is, after the connection of the charging connector is detected to generate a charging signal to turn on the charging switch, the detected result detected by the voltage detector.
- the user is aware that the charging of the battery is being performed or the battery is being completed, but the charging of the battery is not actually performed, causing a problem in which the user is mistaken that the vacuum cleaner is broken.
- the user may disconnect the charging connector from the cleaner body and then connect the charging connector again. In this case, the battery cannot be charged as long as the first switch is turned off. have.
- the charging signal is generated and the charging switch is turned on to attempt charging periodically. Therefore, even when the charging connector is connected to the cleaner body in a state where the first switch is turned off, the battery 121 may be charged.
- the battery can be charged. Done.
- the battery when the charging connector is connected to the cleaner body regardless of the on / off of the first switch, the battery can be charged.
- the user interface 180 When the user interface 180 is configured to display whether the battery 121 is being charged or whether the charging is completed, the battery 121 is not actually charged even when the steps S7 to S10 are performed.
- the interface 180 may generate information for notifying that the battery 121 is being charged.
- FIG. 5 is a flowchart illustrating a control method for charging a battery according to a second embodiment.
- This embodiment is the same as the first embodiment in other parts, and there is a difference between the battery protection mode determination step and the battery protection mode release determination step. Therefore, hereinafter, only the characteristic parts of the present embodiment will be described, and the same parts as the first embodiment will use the description of the first embodiment.
- the controller 150 determines whether the average value of the current detected by the current sensing unit 172 is equal to or less than a first reference current value. It may be (S13).
- the current detected by the current detector 172 may be zero. Therefore, the average value of the current detected by the current detector 172 is smaller than the first reference current value.
- the average value of the current detected by the current sensor 172 is greater than the first reference current value.
- step S13 when it is determined in step S13 that the average value of the current detected by the current sensing unit 172 is equal to or less than a first reference current value, it is determined that the battery protection mode is established, and the battery 121 is determined by the controller 150. A charging signal for charging is generated (S7). Then, the charging switch 176 may be turned on (S8).
- the controller 150 may determine that the battery 121 is fully charged. However, since the first switch may be turned off in this state, the controller 150 generates a charging signal for charging the battery 121 (S7), and then the charging switch 176 may be turned on. There is (S8).
- the occurrence of a determination error according to the sensing error of the sensed current can be reduced.
- the controller 150 determines whether the average value of the current detected by the current sensing unit 172 for a predetermined time is greater than or equal to a second reference current value (S19).
- the first reference current value and the second reference current value may be the same or different.
- step S19 when it is determined in step S19 that the average value of the current detected by the current detector 172 for a predetermined time is less than the second reference current value, the controller 150 turns off the charging switch 176 (S10). ).
- steps S11 and S12 may be performed.
- steps S4 to S6 and step S12 may be performed.
- step S19 may be referred to as determining whether the battery is normally charged.
- FIG. 6 is a flowchart illustrating a control method for charging a battery according to a third embodiment.
- This embodiment is the same as the first embodiment in other parts, and there is a difference between the battery protection mode determination step and the battery protection mode release determination step. Therefore, hereinafter, only the characteristic parts of the present embodiment will be described, and the same parts as the first embodiment will use the description of the first embodiment.
- the controller 150 determines whether the current value detected by the current sensing unit 172 is equal to or less than a first reference current value. It may be (S23).
- the current detected by the current detector 172 may be zero. Therefore, the current value detected by the current detector 172 is smaller than the first reference current value.
- the current value detected by the current sensing unit 172 is greater than the first reference current value.
- step S23 when it is determined in step S23 that the current value detected by the current sensing unit 172 is less than or equal to the first reference current value, it is determined that the battery protection mode, and the controller 150 of the battery 121 A charging signal for charging is generated (S7). Then, the charging switch 176 may be turned on (S8).
- the controller 150 may determine that the battery 121 is fully charged. However, since the first switch may be turned off in this state, the controller 150 generates a charging signal for charging the battery 121 (S7), and then the charging switch 176 may be turned on. There is (S8).
- the controller 150 determines whether the current value detected by the current sensing unit 172 is equal to or greater than a second reference current value (S29).
- the first reference current value and the second reference current value may be the same or different.
- step S29 when it is determined in step S29 that the current value detected by the current sensing unit 172 is less than the second reference current value, the controller 150 turns off the charging switch 176 (S10).
- steps S11 and S12 may be performed.
- steps S4 to S6 and step S12 may be performed.
- step S29 may be referred to as determining whether the battery is normally charged.
- FIG. 7 is a block diagram illustrating a configuration of a vacuum cleaner according to a fourth embodiment.
- the present embodiment is the same as the one or more of the first to third embodiments in other parts, except that the charger is detachably connected to the vacuum cleaner. Therefore, hereinafter, only characteristic parts of the embodiment will be described.
- the charger 144 may be detachably connected to the cleaner body 10 according to the present embodiment.
- the charger 144 may include a power cord connected to an outlet, and a charger connector connected to the cleaner body 10.
- the charger 144 performs rectification and smoothing operations to receive a commercial AC voltage and convert the DC voltage into a DC voltage.
- the charger 144 may supply the converted DC voltage to the cleaner body 10.
- the charger 40 may convert a 220V commercial AC voltage into a DC voltage of 42.4V or less and supply the same to the cleaner body 10.
- the cleaner body 10 receives a DC voltage of 42.4V or less from the charger 144. It may further include a boosting device 190 for boosting.
- the boosting device 190 may be, for example, a boost converter, but it is understood that there is no limitation in the configuration of the boosting device in this embodiment.
- a DC voltage of 42.4V or less input to the booster 190 may be boosted by two or more times to allow the battery 121 to charge a voltage of 84.8V or more.
- the booster 190 may include an inductor, a diode, a capacitor, and a switching element.
- the switching element repeatedly turns on / off at a high speed under the control of the controller 150 so that the boosting device 190 boosts the input voltage.
- the switching element may be configured as a MOSFET, but is not limited thereto, and may be configured as a Bipolar Junction Transistor (BJT), an Insulated Gate Bipolar Transistor (IGBT), or the like.
- BJT Bipolar Junction Transistor
- IGBT Insulated Gate Bipolar Transistor
- the charging control method of the battery according to any one of the first to third embodiments may be applied.
- step S2 the connection of the charger is detected instead of detecting the connection of the charging connector. Can be changed to one.
- FIG. 8 is a block diagram illustrating a configuration of a vacuum cleaner according to a fifth embodiment.
- This embodiment is the same as the fourth embodiment in other parts, except that there is a difference in the position of the boosting device and the full charge voltage of the battery. Therefore, hereinafter, only characteristic parts of the embodiment will be described.
- the maximum charging voltage of the battery 123 according to the present embodiment may be, for example, 42.4V or less.
- the vacuum cleaner body 10 may be provided with a boosting device 192 for boosting the voltage to the battery 123.
- the boosting device 192 may be a boost converter as an example, but it is apparent that the configuration of the boosting device 192 is not limited in this embodiment.
- a DC voltage of 42.4 V or less output from the battery 123 is boosted by the boosting device 192 and then supplied to the suction motor 160.
- the boosting device 192 may boost the output voltage of the battery 123 to twice or more voltages.
- the boosting device 192 may output a DC voltage of 84.8V or more. Since the boosting device 192 can output a DC voltage of 84.8 V or more, a current required to operate the suction motor 160 can be reduced, so that a circuit configuration required to drive the suction motor 160 is provided. It has the advantage of being simple.
- the charging control method of the battery according to any one of the first to third embodiments may be applied.
- step S2 the connection of the charger is detected instead of detecting the connection of the charging connector. That can be changed.
- the canister type cleaner has been described as an example of the cleaner, but the idea of the present invention can be applied to an upright cleaner.
- the battery for supplying power to the suction motor may be provided in the suction unit or the cleaner body.
- the charger described above may also be provided in the suction unit or the cleaner body.
- the charging connector may be connected to the suction part or the cleaner body.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Vacuum Cleaner (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (20)
- 흡입력을 발생시키기 위한 흡입 모터를 구비하는 청소기 본체;상기 청소기 본체와 연통되며, 공기와 먼지를 흡입하기 위한 흡입부;상기 흡입 모터로 전원을 공급할 수 있는 배터리;상기 배터리의 상태를 감지할 수 있는 배터리 관리 장치;상기 배터리의 충전을 위하여 상기 배터리로 충전 전류를 인가할 수 있는 충전기;상기 청소기 본체에 분리 가능하게 연결될 수 있으며, 상용 전원을 상기 청소기 본체로 공급하기 위한 충전 커넥터; 및상기 배터리의 충전을 제어할 수 있는 컨트롤러를 포함하고,상기 컨트롤러는 상기 배터리로 인가되는 전류를 감지하는 전류 감지부를 포함하고,상기 컨트롤러는, 상기 충전 커넥터가 연결을 감지하면 상기 배터리의 충전을 시도하고,상기 배터리의 충전 시도 후, 상기 전류 감지부에서 감지된 전류값에 기초하여 상기 배터리의 충전이 정상적으로 수행되지 않는 경우, 상기 배터리의 충전을 재시도하는 진공 청소기.
- 제 1 항에 있어서,상기 컨트롤러는, 상기 충전기에서 인가되는 충전 전류의 흐름을 허용 또는 차단하는 충전 스위치를 포함하고,상기 배터리의 충전 시도 시 상기 충전 스위치가 온되는 진공 청소기.
- 제 2 항에 있어서,상기 충전 스위치가 온된 후, 상기 배터리의 충전이 정상적으로 수행되지 않는 경우, 상기 컨트롤러는 상기 충전 스위치를 오프시키고, 일정 시간 경과 후 다시 상기 충전 스위치를 온시키는 진공 청소기.
- 제 3 항에 있어서,상기 충전 스위치가 온된 후, 상기 전류 감지부에서 감지된 전류의 평균값 또는 전류값이 기준 전류값 미만인 경우, 상기 충전 스위치를 오프시키고, 일정 시간 경과 후 다시 상기 충전 스위치를 온시키는 진공 청소기.
- 제 4 항에 있어서,상기 전류 감지부에서 감지된 전류의 평균값 또는 전류값이 기준 전류값 미만인 경우,상기 컨트롤러는 상기 배터리의 만 충전 여부를 판단하고, 상기 배터리의 만 충전 판단 시 상기 배터리의 충전을 종료시키는 진공 청소기.
- 제 5 항에 있어서,상기 배터리의 만충전 판단 시 상기 컨트롤러는 상기 충전 스위치를 오프시키는 진공 청소기.
- 제 1 항에 있어서,상기 컨트롤러는, 상기 배터리의 전압을 감지하는 전압 감지부를 더 포함하고,상기 충전 커넥터의 연결 감지 시, 상기 컨트롤러는 상기 전압 감지부에서 감지된 전압이 만 충전 전압 이상인지 여부를 판단하고,상기 전압 감지부에서 감지된 전압이 만 충전 전압 이상인 경우에, 상기 컨트롤러는 상기 배터리의 충전을 시도하고, 상기 배터리의 정상 충전 여부를 판단하는 진공 청소기.
- 제 1 항에 있어서,상기 충전 커넥터의 연결 감지 시, 상기 컨트롤러는 상기 전류 감지부에서 감지된 전류값 또는 전류의 평균값이 기준 전류값 이하인지 여부를 판단하고,상기 전류 감지부에서 감지된 전류값 또는 전류의 평균값이 기준 전류값 이하인 경우에, 상기 컨트롤러는 상기 배터리의 충전을 시도하고, 상기 배터리의 정상 충전 여부를 판단하는 진공 청소기.
- 제 7 항 또는 제 8 항에 있어서,상기 배터리가 정상적으로 충전되는 것을 판단될 때까지 상기 컨트롤러는 상기 배터리의 충전을 반복하여 시도하는 진공 청소기.
- 제 7 항 또는 제 8 항에 있어서,상기 배터리 관리 장치는, 상기 배터리를 보호하기 위하여 상기 배터리의 온도가 일정 온도 이상 시 오프되는 스위치를 포함하고,상기 전류 감지부에서 감지된 전류값 또는 전류의 평균값이 기준 전류값 이하인 경우는 상기 스위치가 오프된 경우인 진공 청소기.
- 제 10 항에 있어서,상기 스위치가 온되면, 상기 컨트롤러는 상기 배터리가 정상적으로 충전되는 것으로 판단할 수 있는 진공 청소기.
- 흡입력을 발생시키기 위한 흡입 모터를 구비하는 청소기 본체;상기 청소기 본체와 연통되며, 공기와 먼지를 흡입하기 위한 흡입부;상기 흡입 모터로 전원을 공급할 수 있는 배터리;상기 배터리의 상태를 감지할 수 있는 배터리 관리 장치;상기 배터리의 충전을 위하여 상기 배터리로 충전 전류를 인가할 수 있으며, 상기 청소기 본체에 분리 가능하게 연결되는 충전기; 및상기 배터리의 충전을 제어할 수 있는 컨트롤러를 포함하고,상기 컨트롤러는 상기 배터리로 인가되는 전류를 감지하는 전류 감지부를 포함하고,상기 컨트롤러는, 상기 충전기의 연결을 감지하면 상기 배터리의 충전을 시도하고,상기 배터리의 충전 시도 후, 상기 전류 감지부에서 감지된 전류값에 기초하여, 상기 배터리의 충전이 정상적으로 수행되지 않는 경우, 상기 배터리의 충전을 재시도하는 진공 청소기.
- 제 12 항에 있어서,상기 컨트롤러는, 상기 충전기에서 인가되는 충전 전류의 흐름을 허용 또는 차단하는 충전 스위치를 포함하고,상기 배터리의 충전 시도 시 상기 충전 스위치가 온되는 진공 청소기.
- 제 13 항에 있어서,상기 충전 스위치가 온된 후, 상기 배터리의 충전이 정상적으로 수행되지 않는 경우, 상기 컨트롤러는 상기 충전 스위치를 오프시키고, 일정 시간 경과 후 다시 상기 충전 스위치를 온시키는 진공 청소기.
- 제 14 항에 있어서,상기 충전 스위치가 온된 후, 상기 전류 감지부에서 감지된 전류의 평균값 또는 전류값이 기준 전류값 미만인 경우, 상기 컨트롤러는 상기 충전 스위치를 오프시키고, 일정 시간 경과 후 다시 상기 충전 스위치를 온시키는 진공 청소기.
- 흡입력을 발생시키기 위한 흡입 모터를 구비하는 청소기 본체;상기 청소기 본체와 연통되며, 공기와 먼지를 흡입하기 위한 흡입부;상기 흡입 모터로 전원을 공급할 수 있는 배터리;상기 배터리의 상태를 감지할 수 있는 배터리 관리 장치;상기 배터리의 충전을 위하여 상기 배터리로 충전 전류를 인가할 수 있는 충전기;상기 청소기 본체에 분리 가능하게 연결될 수 있으며, 상용 전원을 상기 청소기 본체로 공급하기 위한 충전 커넥터; 및상기 배터리의 충전을 제어할 수 있는 컨트롤러를 포함하고,상기 컨트롤러는 상기 배터리의 전압을 감지하는 전압 감지부와 상기 배터리의 전압을 감지하는 전류 감지부 중 하나 이상을 포함하고,상기 컨트롤러는, 상기 충전 커넥터의 연결 감지 시 상기 전류 감지부 또는 상기 전압 감지부에서 감지된 전류 또는 전압에 기초하여, 상기 배터리의 만 충전 여부를 판단하고, 상기 배터리가 만 충전되었다고 판단된 경우에도 상기 컨트롤러는 상기 배터리의 충전을 시도하고,상기 배터리의 충전이 정상적으로 수행되지 않는 경우, 상기 배터리의 충전을 재시도하는 진공 청소기.
- 제 16 항에 있어서,상기 충전 커넥터의 연결 감지 시, 상기 전압 감지부에서 감지된 전압이 만 충전 전압 이상인지 여부를 판단하고,상기 전압 감지부에서 감지된 전압이 만 충전 전압 이상인 경우에, 상기 컨트롤러는 상기 배터리의 충전을 시도하고, 상기 배터리의 정상 충전 여부를 판단하는 진공 청소기.
- 제 16 항에 있어서,상기 충전 커넥터의 연결 감지 시, 상기 전류 감지부에서 감지된 전류값 또는 전류의 평균값이 기준 전류값 이하인지 여부를 판단하고,상기 전류 감지부에서 감지된 전류값 또는 전류의 평균값이 기준 전류값 이하인 경우에, 상기 컨트롤러는 상기 배터리의 충전을 시도하고, 상기 배터리의 정상 충전 여부를 판단하는 진공 청소기.
- 제 17 항 또는 제 18 항에 있어서,상기 배터리 관리 장치는, 상기 배터리를 보호하기 위하여 상기 배터리의 온도가 일정 온도 이상 시 오프되는 스위치를 포함하고,상기 전류 감지부에서 감지된 전류값 또는 전류의 평균값이 기준 전류값 이하인 경우는 상기 스위치가 오프된 경우인 진공 청소기.
- 제 19 항에 있어서,상기 스위치가 온되면, 상기 컨트롤러는 상기 배터리가 정상적으로 충전되는 것으로 판단할 수 있는 진공 청소기.
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AU2016212856A AU2016212856B2 (en) | 2015-01-28 | 2016-01-27 | Vacuum cleaner |
RU2017130170A RU2697238C2 (ru) | 2015-01-28 | 2016-01-27 | Пылесос |
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KR10-2015-0013290 | 2015-01-28 | ||
KR1020150013290A KR101640706B1 (ko) | 2015-01-28 | 2015-01-28 | 진공 청소기 |
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EP (1) | EP3053501B1 (ko) |
KR (1) | KR101640706B1 (ko) |
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AU (1) | AU2016212856B2 (ko) |
RU (1) | RU2697238C2 (ko) |
WO (1) | WO2016122214A1 (ko) |
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TWI732858B (zh) * | 2016-08-25 | 2021-07-11 | 南韓商Lg電子股份有限公司 | 吸塵器 |
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RU2017130170A (ru) | 2019-02-28 |
AU2016212856B2 (en) | 2019-12-19 |
KR101640706B1 (ko) | 2016-07-18 |
EP3053501B1 (en) | 2021-11-03 |
RU2017130170A3 (ko) | 2019-06-10 |
US20160213218A1 (en) | 2016-07-28 |
CN105832247B (zh) | 2019-03-12 |
AU2016212856A1 (en) | 2017-08-10 |
CN105832247A (zh) | 2016-08-10 |
EP3053501A1 (en) | 2016-08-10 |
RU2697238C2 (ru) | 2019-08-13 |
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