JP2021065545A - Vacuum cleaner - Google Patents

Abstract

To provide a vacuum cleaner capable of improving convenience of a user.SOLUTION: A vacuum cleaner includes a first motor, a second motor, and a control section. The first motor is arranged in a cleaner body and generates suction force. The second motor is arranged in a suction port body and rotates a rotation brush. The control section stops or suppresses driving of at least one of the first motor and the second motor when it is detected that the suction port body is separated from a cleaned surface during an operation in a predetermined operation mode, and restarts driving of the at least one of the motors when it is detected that the suction port body is grounded on a cleaned surface within a first predetermined time. The predetermined operation mode includes a restriction operation mode where a restriction time is set.SELECTED DRAWING: Figure 1

Description

Embodiments of the present invention relate to vacuum cleaners.

An electric vacuum cleaner including a main motor provided in a vacuum cleaner body to generate suction force and a rotary brush motor provided in a suction port body to rotate a rotary brush is known. Such a vacuum cleaner is expected to further improve convenience.

JP-A-2018-47051

An object to be solved by the present invention is to provide a vacuum cleaner capable of improving user convenience.

The vacuum cleaner of the embodiment has a first motor, a second motor, and a control unit. The first motor is provided in the vacuum cleaner body to generate a suction force. The second motor is provided in the suction port body and rotates the rotating brush. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in a predetermined operation mode, the control unit of at least one of the first motor and the second motor. The drive is stopped or suppressed, and when it is detected that the suction port body touches the surface to be cleaned within the first predetermined time, the drive of at least one of the motors is restarted. The predetermined operation mode includes a limited operation mode in which a time limit is set.

The perspective view which shows the electric vacuum cleaner apparatus of embodiment. The circuit block diagram which shows a part of the circuit structure of the vacuum cleaner of an embodiment. The figure which shows an example of the content of the operation mode information of an embodiment. The figure for demonstrating the determination process of the operation mode of an embodiment. The figure for demonstrating the operation termination processing of the vacuum cleaner of an embodiment. A flowchart showing an example of a series of operations of the vacuum cleaner of the embodiment. A flowchart showing an example of a series of operations of the vacuum cleaner of the embodiment. A flowchart showing an example of a series of operations of the vacuum cleaner of the embodiment. The flowchart which shows an example of the count reset process of embodiment. The figure which shows an example of the content of the remaining time information of an embodiment.

Hereinafter, the vacuum cleaner of the embodiment will be described with reference to the drawings. In the following description, configurations having the same or similar functions are designated by the same reference numerals. And the duplicate description may be omitted. As used herein, the term "based on XX" means "based on at least XX" and includes the case where it is based on another element in addition to XX. Further, "based on XX" is not limited to the case where XX is directly used, but also includes the case where it is based on the case where calculation or processing is performed on XX. "XX" is an arbitrary element (for example, arbitrary information). As used herein, the term "connection" includes the case of an electrical connection.

(Embodiment)
<1. Overall configuration>
Hereinafter, the vacuum cleaner device 1 of the embodiment will be described with reference to the drawings. FIG. 1 is a perspective view showing the vacuum cleaner device 1 of the embodiment. The vacuum cleaner device 1 includes, for example, a vacuum cleaner 10 and a charging device (support device) 20. The vacuum cleaner 10 is, for example, a so-called stick-type vacuum cleaner, which is a cordless type vacuum cleaner having a built-in secondary battery. However, the vacuum cleaner 10 is not limited to the above example, and may be a canister type vacuum cleaner having a vacuum cleaner main body including wheels, or another type of vacuum cleaner.

<1.1 Vacuum cleaner 10>
First, the vacuum cleaner 10 will be described. The vacuum cleaner 10 includes, for example, a vacuum cleaner main body 110, an extension pipe 120, and a suction port (floor brush) 130.

The vacuum cleaner main body 110 includes, for example, a main body case 111, a grip portion 112, a dust collector 113, an electric blower 114, a secondary battery 115, connection terminals 116A and 116B (not shown), and a main body control unit 117.

The main body case 111 forms an outer shell of the vacuum cleaner main body 110. The main body case 111 houses an electric blower 114, a secondary battery 115, and a main body control unit 117. The main body case 111 has an extension pipe connecting portion 111a to which one end of the extension pipe 120, which will be described later, is connected.

The grip portion 112 is provided at the upper rear end portion of the main body case 111. The grip portion 112 is a portion that is gripped by the user when cleaning the floor surface (surface to be cleaned). The grip portion 112 is provided with an operation unit 500 that receives a user's operation regarding the operation of the vacuum cleaner 10. The term "floor surface" as used herein also includes carpets and tatami mats.

The dust collector 113 is attached to the main body case 111. The dust collector 113 is a device that separates dust contained in the air sucked into the vacuum cleaner main body 110 by the action of the electric blower 114 described later. For example, the dust collector 113 is a centrifugal dust collector. However, the dust collector 113 may be a filtration type dust collector including a paper pack.

The electric blower 114 includes a blower motor 114a called a fan motor or a main motor. The electric blower 114 generates a negative pressure by driving the blower motor 114a, and generates a suction force in the vacuum cleaner main body 110. The electric blower 114 sucks dust-containing air into the dust collector 113 from the suction port 137 of the suction port body 130, which will be described later, by the generated negative pressure. The electric blower 114 exhausts the air from which the dust has been separated by the dust collector 113 to the outside of the vacuum cleaner 10. The blower motor 114a is, for example, a DC motor, but is not limited thereto. The blower motor 114a is an example of the "first motor".

The secondary battery 115 is a power supply unit that supplies electric power to the blower motor 114a, the rotary brush motor 134 described later, and the like. The secondary battery 115 is a battery pack in which a plurality of batteries are connected in series or in parallel. The vacuum cleaner 10 is attached to the charging device 20 described later, for example, when the vacuum cleaner 10 is not in use. At this time, the connection terminals 116A and 116B and the connection terminals 220A and 220B included in the charging device 20 are connected. As a result, the secondary battery 115 is charged by receiving electric power from the charging device 20.

The main body control unit 117 includes a control circuit that controls the electric blower 114. The main body control unit 117 is realized by, for example, a circuit board provided with a microcomputer. The main body control unit 117 includes an electric blower control unit 140, a main control unit 145, and a storage unit 146, which will be described later.

Next, the extension pipe 120 will be described. The extension tube 120 is formed in an elongated shape, for example, and has a first end portion 121 and a second end portion 122. The first end 121 of the extension pipe 120 is airtightly connected to the extension pipe connection portion 111a of the vacuum cleaner main body 110. The second end 122 of the extension pipe 120 is airtightly connected to the suction port 130. Inside the extension pipe 120, a connection wiring for electrically connecting the vacuum cleaner main body 110 and the suction port body 130 is provided.

Next, the suction port body 130 will be described. The suction port body 130 is a portion that is moved along the floor surface. The suction port body 130 includes, for example, a suction port body case 131, a connecting pipe 132, a rotary brush 133, a rotary brush motor 134, a motor control unit 135, and a floor surface detection unit 136.

The suction port body case 131 is formed in a horizontally long shape, that is, in a longitudinal shape in the left-right direction. The rotary brush 133, the rotary brush motor 134, and the motor control unit 135 are housed in the suction port body case 131. Further, the suction port body case 131 has a suction port 137 at a lower portion facing the floor surface. The suction port 137 is an opening for sucking dust on the floor surface by driving the electric blower 114.

The connection pipe 132 is a portion for airtightly connecting the suction port body case 131 and the second end portion 122 of the extension pipe 120, and is rotatably connected to the suction port body case 131. By connecting the suction port body case 131 and the extension pipe 120 by the connecting pipe 132, an air passage is formed from the suction port 137 of the suction port body case 131 to the vacuum cleaner main body 110 via the extension pipe 120. ..

The rotary brush 133 is provided at the suction port 137 and is arranged along the floor surface. The rotary brush 133 is rotatably provided with respect to the suction port body case 131. The rotating brush 133 functions to lift dust from the floor surface or to raise the tips of rugs and the like.

The rotary brush motor 134 is mechanically connected to the rotary brush 133 via a rotary drive mechanism (not shown) to drive (rotate) the rotary brush 133. The rotary brush motor 134 is an example of a “second motor”.

The motor control unit 135 includes a control circuit that controls the rotary brush motor 134. The motor control unit 135 is realized by, for example, a circuit board provided with a microcomputer. The motor control unit 135 rotates the rotary brush motor 134 based on a control command of the main control unit 145, which will be described later, and a detection result of a detection unit (not shown) that detects an input current input to the rotary brush motor 134. Let me. The motor control unit 135 may be provided integrally with the main body control unit 117. In this case, the motor control unit 135 and the main body control unit 117 may be realized by one circuit board.

The floor surface detection unit 136 is provided, for example, at a point of contact with the floor surface (cleaned surface) of the suction port body 130, and detects the ground contact state of the floor surface with respect to the suction port body 130. The floor surface detection unit 136 is realized by, for example, a switch such as a micro switch. When the switch is pressed by the floor surface, the floor surface detection unit 136 is in a make-up state and detects that the suction port body 130 is in contact with the floor surface. On the other hand, the floor surface detection unit 136 detects that the suction port 130 is not in contact with the floor surface in a break state when the switch is not pressed by the floor surface. The floor surface detection unit 136 outputs a detection result indicating the ground contact state of the suction port body 130 to the floor surface to the main control unit 145, which will be described later.

<1.2 Charging device 20>
Next, the charging device 20 will be described. The vacuum cleaner 10 when not in use is attached to the charging device 20 in a state where the extension pipe 120 is contracted, for example. The charging device 20 has a receiving portion 210 and supports the vacuum cleaner 10. The receiving portion 210 is a recess corresponding to the outer shape of the vacuum cleaner 10. The receiving portion 210 of the charging device 20 is, for example, a suction port body receiving portion 210a that supports the suction port body 130 of the vacuum cleaner 10 from below, and an extension pipe receiving portion that supports the extension pipe 120 of the vacuum cleaner 10 from behind. Includes 210b.

The charging device 20 is electrically connected to an external power source. The charging device 20 includes connection terminals 220A and 220B. When the vacuum cleaner 10 is attached to the charging device 20, the connection terminals 220A and 220B and the connection terminals 116A and 116B of the vacuum cleaner 10 are connected. When the connection terminals 220A and 220B and the connection terminals 116A and 116B of the vacuum cleaner 10 are connected, the charging device 20 supplies electric power to the vacuum cleaner 10 via these connection terminals. Instead of the above-described configuration, the charging device 20 includes an AC adapter composed of an adapter body connected to an outlet, a plug connected to the vacuum cleaner 10, and a cord connecting the adapter body and the plug. It may be.

<2. Circuit configuration>
FIG. 2 is a circuit configuration diagram showing a part of the circuit configuration of the vacuum cleaner 10. The vacuum cleaner 10 includes, for example, an electric blower control circuit C1 and a motor control circuit C2.

First, the electric blower control circuit C1 will be described. The electric blower control circuit C1 includes, for example, an electric blower 114, an electric blower control unit 140, a first switching unit 141, a main control unit 145, and a storage unit 146. The first switching unit 141 and the electric blower 114 are connected in series with the secondary battery 115.

The first switching unit 141 includes one or more semiconductor switching elements. When the first switching unit 141 is closed, electric power is supplied from the secondary battery 115 to the electric blower 114. On the other hand, when the first switching unit 141 is opened, the supply of electric power from the secondary battery 115 to the electric blower 114 is stopped. The first switching unit 141 is ON / OFF controlled at a predetermined cycle by PWM (Pulse Width Modulation) control, so that pulsed input power is supplied from the secondary battery 115 to the electric blower 114.

The electric blower control unit 140 is supplied from the secondary battery 115 to the electric blower 114 by switching the ON / OFF timing of the first switching unit 141 based on the control command given from the main control unit 145, for example. Change the duty ratio of the input power. The electric blower control unit 140 changes the rotation speed of the blower motor 114a by changing the duty ratio of the input power supplied to the blower motor 114a.

Next, the motor control circuit C2 will be described. The motor control circuit C2 includes a second switching unit 142, a rotary brush motor 134, and a motor control unit 135. The second switching unit 142 and the rotary brush motor 134 are connected in series with the secondary battery 115.

The second switching unit 142 includes at least one semiconductor switching element. When the second switching unit 142 is closed, a voltage is applied from the secondary battery 115 to the rotary brush motor 134. On the other hand, when the second switching unit 142 opens, the application of the voltage from the secondary battery 115 to the rotary brush motor 134 is stopped. By controlling the second switching unit 142 ON / OFF, the voltage application from the secondary battery 115 to the rotary brush motor 134 is controlled ON / OFF.

The motor control unit 135 is supplied from the secondary battery 115 to the rotary brush motor 134 by switching the ON / OFF timing of the second switching unit 142 based on, for example, a control command given from the main control unit 145. Change the duty ratio of the input power. The motor control unit 135 changes the rotation speed of the rotary brush motor 134 by changing the duty ratio of the input power supplied to the rotary brush motor 134.

The main control unit 145 determines the operation mode of the vacuum cleaner 10 based on the user's operation received by the operation unit 500 and the detection result of the floor surface detection unit 136. The details of the determination process in which the main control unit 145 determines the operation mode will be described later. The main control unit 145 drives the blower motor 114a and the rotary brush motor 134 by outputting a predetermined control command corresponding to the determined operation mode to the electric blower control unit 140 and the motor control unit 135. The operation unit 500 includes, for example, an operation button 502 (see FIG. 2) that receives an operation of a user who selects an operation mode, and a notification unit 504 (see FIG. 2) that notifies the user of various information. The notification unit 504 notifies the user of various information by, for example, outputting a sound, turning on or off a light, displaying information on a display screen, or outputting a sound (for example, voice). In the following, an example in which the notification unit 504 is a lamp (for example, an LED (Light Emitting Diode)) will be described.

In the present specification, "the main control unit 145 controls the electric blower 114" means that the electric blower control unit 140 controls the first switching unit 141 based on the control command from the main control unit 145. Including the case where the electric blower 114 is controlled, "the main control unit 145 controls the rotary brush motor 134" means that the motor control unit 135 controls the second switching unit based on the control command from the main control unit 145. This includes the case where the rotary brush motor 134 is controlled by controlling 142.

The functional unit realized by the electric blower control unit 140, the motor control unit 135, the main control unit 145, and the storage unit 146 is an example of the “control unit”. Functional units such as the electric blower control unit 140, the motor control unit 135, and the main control unit 145 are realized by, for example, a hardware processor such as a CPU (Central Processing Unit) executing a program (software). In addition, some or all of these components are realized by hardware such as LSI (Large Scale Integration), ASIC (Application Specific Integrated Circuit), PLD (Programmable Logic Device), and FPGA (Field Programmable Gate Array). It may be realized by the collaboration of software and hardware. The program is stored in advance in EEPROM (Electrically Erasable Programmable Read Only Memory), ROM (Read Only Memory), RAM (Random Access Memory), or the like in the storage unit 146 or the like.

<3. Operation mode>
The operation mode information is stored in the storage unit 146. The operation mode information is, for example, information in which the operation mode, the information indicating the control command of the blower motor 114a, and the information indicating the control command of the rotary brush motor 134 are associated with each other. FIG. 3 is a diagram showing an example of the contents of the operation mode information. In the present embodiment, the operation mode of the vacuum cleaner 10 includes five operation modes of the first operation mode to the fifth operation mode.

In the present embodiment, the second operation mode is the "strong mode" operation mode, the third operation mode is the "medium mode (standard mode)" operation mode, and the fourth operation mode is the "weak mode". Is the operation mode. The first operation mode is a special operation mode (power) in which the rotation speed of the blower motor 114a is higher (that is, the suction force is the strongest) and the rotation speed of the rotary brush motor 134 is higher than that of the second operation mode. Mode). On the other hand, the fifth operation mode is an operation mode in which the rotation speed of the blower motor 114a is low (that is, the suction force is the lowest) and the rotation speed of the rotary brush motor 134 is low as compared with the other operation modes. .. In the following description, in the fifth operation mode, the main control unit 145 outputs a control command so that the rotation speed of the blower motor 114a becomes "0", and the main control unit 145 determines the rotation speed of the rotary brush motor 134. This is an operation mode (standby mode) in which a control command for outputting "0" is output. The rotation speed of the blower motor 114a related to each operation mode has a relationship of 1st operation mode> 2nd operation mode> 3rd operation mode> 4th operation mode> 5th operation mode. The rotation speed of the rotary brush motor 134 related to each operation mode has a relationship of 1st operation mode> 2nd operation mode to 4th operation mode> 5th operation mode. However, the rotation speed of the rotary brush motor 134 in the first operation mode may be the same as the rotation speed of the rotary brush motor 134 in the second operation mode to the fourth operation mode. The first operation mode is an example of the "restricted operation mode".

The first control command to the fifth control command are control commands output by the main control unit 145 to the electric blower 114 in the first operation mode to the fifth operation mode, and are control commands indicating the rotation speed of the blower motor 114a. In this case, the first control command to the fifth control command are associated with the first operation mode to the fifth operation mode in order.

The sixth control command to the eighth control command are control commands output by the main control unit 145 to the motor control unit 135 in the first operation mode to the fifth operation mode, and are controls indicating the number of rotations of the rotary brush motor 134. It is a directive. In this case, the first operation mode is associated with the sixth control command, the second operation mode to the fourth operation mode are associated with the seventh control command, and the fifth operation mode is associated with the seventh control command. , Eighth control command is associated with it.

As described above, the first operation mode is a special operation mode. When the blower motor 114a is driven by the rotation speed indicated by the first control command associated with the first operation mode, the current that can be input to the blower motor 114a as the rating of the blower motor 114a (that is, a certain time or longer) A current (that is, a temporary overcurrent) larger than the current that can be continuously input is flowed. Further, when the rotary brush motor 134 is driven by the rotation speed indicated by the sixth control command associated with the first operation mode, the current that can be input to the rotary brush motor 134 as the rating of the rotary brush motor 134 (that is, that is). , A current (that is, a temporary overcurrent) larger than the current that can be continuously input over a certain period of time flows.

Therefore, the operating time in which the blower motor 114a can be continuously driven in the first operation mode and the operating time in which the rotary brush motor 134 can be continuously driven in the first operation mode are shorter than those in other operation modes. Hereinafter, in the second operation mode to the fourth operation mode, there is no time limit for the operation time in which the blower motor 114a can be continuously driven and the operation time in which the rotary brush motor 134 can be continuously driven. It is assumed that a time limit is set for the operating time in which the blower motor 114a can be continuously driven and the operating time in which the rotary brush motor 134 can be continuously driven. When the main control unit 145 drives the blower motor 114a and the rotary brush motor 134 in the first operation mode, the timing for stopping the drive in the first operation mode is based on the operating time (time limit) capable of continuously driving them. To control. Hereinafter, the continuous operating time is also referred to as "time limit TL". The time limit TL is a time of about several [seconds] to a dozen [seconds], for example, about 15 [seconds]. However, the time limit TL may be, for example, 10 [seconds] or less, or may be, for example, 5 [seconds].

The first operation mode may be an operation mode in which the time limit is set based on the restriction of only one of the blower motor 114a and the rotary brush motor 134. For example, as described above, when the rotation speed of the rotary brush motor 134 is the same in the first operation mode and the second operation mode, the time limit in the first operation mode is set based on, for example, the restriction of the blower motor 114a.

<4. Operation mode determination process>
Hereinafter, the details of the determination process in which the main control unit 145 determines the operation mode of the vacuum cleaner 10 will be described.

<4.1 Decision processing based on operations for operation buttons>
When the vacuum cleaner 10 is stopped, the main control unit 145 uses the operation button 502 to perform any one of the first operation mode, the second operation mode, the third operation mode, and the fourth operation mode. It is determined whether or not the operation of the user who selects the operation mode has been performed. When the main control unit 145 determines that the operation of the user who selects one of the operation modes has been performed, the main control unit 145 determines and selects to drive the blower motor 114a and the rotary brush motor 134 according to the selected operation mode. Based on the operation mode and the operation mode information, the control command for the blower motor 114a and the control command for the rotary brush motor 134 are specified. The main control unit 145 outputs the specified control command to the blower motor 114a and the rotary brush motor 134, respectively. The operation button 502 is an example of the "reception unit". For example, the first operation mode is selected by the user pressing and holding the operation button 502.

The main control unit 145 determines whether or not the operation button 502 is used to end the operation of the vacuum cleaner device 1 while the vacuum cleaner 10 is being operated in the first operation mode to the fourth operation mode. judge. To end the operation is to shift the vacuum cleaner 10 to the power-off state. To end the operation, for example, the main switch (not shown) between the first switching unit 141 and the second switching unit 142 and the secondary battery 115 is opened, and the power supply to the control unit 150 is stopped. Is to be done.

<4.2 Determining process based on the ground contact state of the suction port with respect to the floor surface>
In the main control unit 145, the floor surface detection unit 136 detects that the suction port 130 is in contact with the floor surface while the vacuum cleaner 10 is being operated in the first operation mode to the fourth operation mode. Meanwhile, the operation of the vacuum cleaner 10 is continued in the current operation mode. On the other hand, the main control unit 145 detects by the floor surface detection unit 136 that the suction port 130 is separated from the floor surface while the vacuum cleaner 10 is being operated in the first operation mode to the fourth operation mode. If so, the operation mode of the vacuum cleaner 10 is shifted to the fifth operation mode (that is, the operation mode of the vacuum cleaner 10 which is the standby mode is shifted to the stopped state). As a result, the energy saving of the vacuum cleaner 10 is achieved, and the rotation of the rotating brush 133 at the suction port body 130 away from the floor surface is suppressed. Hereinafter, the fifth operation mode changed as the suction port body 130 is detected to be separated from the floor surface is also referred to as a “power saving stop mode”.

Even when the floor surface detection unit 136 detects that the suction port 130 is separated from the floor surface, if the duration of the suction port 130 away from the floor is less than the allowable time Tm. , It is not necessary to change the operation mode to the fifth operation mode. In the present embodiment, the main control unit 145 has the floor surface detection unit 136 that the suction port 130 is separated from the floor surface in a state where the vacuum cleaner 10 is operated in the first operation mode to the fourth operation mode. When the floor surface detection unit 136 detects that the suction port body 130 has been separated from the floor surface beyond the permissible time Tm, the operation mode of the vacuum cleaner 10 is changed to the fifth operation mode. .. In the present specification, "when it is detected that the suction port body is separated from the surface to be cleaned, the drive of the motor is stopped or suppressed" means that the suction port body 130 is detected to be separated from the floor surface. Not only when the drive of the motor is stopped or suppressed at that time, it is detected that the suction port 130 is separated from the floor surface, and then the drive of the motor is stopped after a certain period of time (for example, after the allowable time Tm has elapsed). Or it also includes the case of suppressing. The first predetermined time TD1 and the permissible time Tm have a relationship of first predetermined time TD1> permissible time Tm. The permissible time Tm is a time of 10 [seconds] or less, for example, a time of 1 [seconds] or less, for example, 0.5 [seconds].

In the present embodiment, the main control unit 145 has a first elapsed time (hereinafter, referred to as “separation surface count”) after the floor surface detection unit 136 detects that the suction port body 130 has separated from the floor surface. When the suction port body 130 touches the floor surface is detected again by the floor surface detection unit 136 within the predetermined time TD1, the operation mode of the vacuum cleaner 10 is set to the operation mode immediately before the fifth operation mode. Return to operate the vacuum cleaner 10. The first predetermined time TD1 is, for example, a time of 1 [minute] or less.

On the other hand, after the main control unit 145 is changed to the fifth operation mode, the floor surface detection unit 136 detects that the suction port body 130 touches the floor surface during the first predetermined time TD1. If not, the operation of the vacuum cleaner 10 is terminated.

In the present embodiment, the main control unit 145 determines that the suction port body 130 is in a state of being separated from the floor surface when the floor surface detection unit 136 detects that the suction port body 130 is separated from the floor surface. The notification unit 504 is controlled so as to notify the user. For example, the main control unit 145 lights the notification unit 504 according to a lighting mode predetermined as a lighting mode for notifying that the suction port body 130 is in a state of being away from the floor surface. The notification unit 504 may notify by sound (for example, voice) that the suction port body 130 is away from the floor surface. Further, the notification unit 504 may notify that the suction port body 130 is in a state of being away from the floor surface by using an image, an illustration, a character, or the like displayed on the display screen.

<4.3 Decision processing based on time limit>
The main control unit 145 is a state in which the electric vacuum cleaner 10 is operated in the first operation mode, and the time elapsed since the operation in the first operation mode is started (hereinafter, referred to as "first operation mode count"). When the preset time limit TL is reached, the operation mode of the electric vacuum cleaner 10 is returned to the operation mode immediately before the first operation mode, and the operation of the electric vacuum cleaner 10 is continued in the returned operation mode. For example, when the operation mode immediately before the first operation mode does not exist, the main control unit 145 uses the vacuum cleaner 10 in any operation mode (for example, the second operation mode) from the second operation mode to the fourth operation mode. You may drive.

<4.4 Combined determination process of power saving stop mode and time limit>
FIG. 4 is a diagram used for explaining the operation mode determination process. When the main control unit 145 detects that the suction port 130 is separated from the floor surface while the vacuum cleaner 10 is being operated in the first operation mode, the vacuum cleaner 10 is after the permissible time Tm has elapsed. The operation mode of is changed to the power saving stop mode, and the driving of the blower motor 114a and the rotary brush motor 134 is stopped. In the present embodiment, for example, at the timing when the driving of the blower motor 114a and the rotary brush motor 134 is stopped, the count of the first operation mode count is also stopped. Instead of this, the counting of the first operation mode count may be stopped at the timing at the start of the separation surface counting.

Then, when the main control unit 145 detects that the suction port 130 touches the floor surface within the first predetermined time TD1 after stopping the driving of the blower motor 114a and the rotary brush motor 134, the blower motor 114a The drive of the rotary brush motor 134 is restarted in the first operation mode, and the count of the first operation mode count (that is, the count with respect to the remaining time of the time limit TL) is restarted. Then, the main control unit 145 operates the vacuum cleaner 10 in the first operation mode for the remaining time of the time limit TL based on the elapsed time from the start of the first operation mode to the entry into the power saving stop mode. For example, the main control unit 145 operates the vacuum cleaner 10 in the first operation mode until the first operation mode count reaches the time limit TL. Then, when the remaining time of the time limit TL elapses after restarting the operation in the first operation mode, the main control unit 145 performs the operation mode (for example, the second operation) that was performed immediately before the first operation mode. The vacuum cleaner 10 is operated according to any one of the modes to the fourth operation mode). Hereinafter, the details of this operation will be described with reference to FIG.

In FIG. 4, the vacuum cleaner 10 is not operated and the power is turned off until the time t0. At time t0, the user operates the operation button 502 that starts the operation of the vacuum cleaner 10 in the second operation mode. Along with this, the main control unit 145 determines the operation mode of the vacuum cleaner 10 to the second operation mode, outputs the second control command to the electric blower control unit 140, and outputs the seventh control command to the motor control unit 135. Output. The electric blower control unit 140 drives the electric blower 114 in the second operation mode based on the second control command output from the main control unit 145, and the motor control unit 135 drives the rotary brush motor 134 based on the seventh control command. It is driven by the second operation mode.

At time t1, the user operates the operation button 502 for operating the vacuum cleaner 10 in the first operation mode. Along with this, the main control unit 145 determines the operation mode of the vacuum cleaner 10 to the first operation mode, outputs the first control command to the electric blower control unit 140, and outputs the sixth control command to the motor control unit 135. Output. The electric blower control unit 140 drives the electric blower 114 in the first operation mode based on the first control command output from the main control unit 145, and the motor control unit 135 drives the rotary brush motor 134 based on the sixth control command. It is driven by the first operation mode. Further, the main control unit 145 starts counting the first operation mode count from the time t1.

Since the user lifted the vacuum cleaner 10 at time t2, the detection result of the floor surface detection unit 136 indicates that the suction port body 130 is not in contact with the floor surface. The main control unit 145 starts the separation surface counting from the time t2 when the suction port body 130 is not in contact with the floor surface. Based on the detection result of the floor surface detection unit 136 and the count value of the separation surface count, the main control unit 145 is in a state where the suction port 130 is not in contact with the floor surface until the permissible time Tm elapses from the time t2. It is determined that the operation is continued, and the operation mode of the vacuum cleaner 10 is changed to the power saving stop mode based on this determination.

Further, the main control unit 145 stops the count of the first operation mode count at the timing when the operation mode of the vacuum cleaner 10 is changed to the power saving stop mode. At this time, the count value of the first operation mode count indicates the elapsed time D3 from the time t1 to (time t2 + allowable time Tm). In the present specification, "when it is detected that the suction port body is separated from the surface to be cleaned, the counting of the time limit is stopped or suppressed" means that the suction port body 130 is detected to be separated from the floor surface. Not only when the time limit counting is stopped or suppressed at that point, it is detected that the suction port 130 is separated from the floor surface, and then after a certain period of time (for example, after the permissible time Tm has elapsed), the time limit is set. It also includes the case of stopping or suppressing the counting.

Even when the detection result of the floor surface detection unit 136 indicates that the suction port 130 is not in contact with the floor surface during the first operation mode operation from time t1 to time t4. When the count value of the separation surface count is less than the permissible time Tm, the main control unit 145 does not change the operation mode to the power saving stop mode and continues the operation in the first operation mode.

At time t3, since the user lowered the vacuum cleaner 10 to the floor surface, the detection result of the floor surface detection unit 136 indicates that the suction port body 130 is in contact with the floor surface. Since the count value of the separation surface count has not reached the first predetermined time TD1, the main control unit 145 stops the separation surface count at time t3 and determines the operation mode of the vacuum cleaner 10 to the first operation mode. .. Along with this, the main control unit 145 outputs the first control command to the electric blower control unit 140 and outputs the sixth control command to the motor control unit 135 at time t3. Further, the main control unit 145 restarts the counting of the first operation mode count from the time t3. To restart the counting of the first operation mode count is to start the counting from the continuation of the elapsed time D3 which is the stopped count value.

At time t4, the main control unit 145 determines that the total time of the first operation mode count (that is, the total time of the elapsed time D3 + the elapsed time D4 from the time t3 to the time t4) has reached the time limit TL. At time t4, the main control unit 145 stops and resets the first operation mode count, and determines the operation mode that was operating immediately before the first operation mode as the subsequent operation mode. In FIG. 4, since the vacuum cleaner 10 was operated in the second operation mode before the time t1 when the operation in the first operation mode was started, the main control unit 145 determined the second operation mode as the operation mode. The second control command is output to the electric blower control unit 140, and the seventh control command is output to the motor control unit 135. The electric blower control unit 140 drives the electric blower 114 in the second operation mode based on the second control command output from the main control unit 145, and the motor control unit 135 drives the rotary brush motor 134 based on the seventh control command. It is driven by the second operation mode.

FIG. 5 is a diagram used for explaining the operation termination process of the vacuum cleaner 10. In FIG. 5, it is assumed that the user does not lower the vacuum cleaner 10 to the floor surface by the first predetermined time TD1 after lifting the vacuum cleaner 10 at time t2. In this case, the main control unit 145 has a power saving stop mode (that is, the fifth operation mode is continued) from the timing when the permissible time Tm elapses from the time t2, and the release count counted from the time t2 to the time t5 is the first It is determined that the TD1 has been reached for a predetermined time. The main control unit 145 terminates the operation of the vacuum cleaner 10 and turns off the power of the vacuum cleaner 10 when it determines that the separation surface count has reached the TD1 for the first predetermined time.

In the above description, when the main control unit 145 determines whether or not to terminate the power saving stop mode and whether or not to terminate the operation of the vacuum cleaner 10 based on the first predetermined time TD1. However, it is not limited to this. For example, the main control unit 145 uses the first predetermined time TD1 as an index for determining whether or not to terminate the power saving stop mode, and the first predetermined index as an index for determining whether or not to terminate the operation of the vacuum cleaner 10. An index other than the time TD1 may be used. From one point of view, the main control unit 145 terminates the operation of the vacuum cleaner 10 when it is not detected that the suction port body 130 touches the floor surface within the second predetermined time TD2 from the start of the separation surface count. To do. The second predetermined time TD2 may be the same as the first predetermined time TD1, or may be longer than the first predetermined time TD1.

<5. Operation flow>
6 to 8 are flowcharts showing an example of a series of operations of the vacuum cleaner 10. First, in the state where the vacuum cleaner 10 is stopped, the main control unit 145 uses the operation button 502 to select any of the first operation mode, the second operation mode, the third operation mode, and the fourth operation mode. It is determined whether or not the operation for selecting the operation mode has been performed (step S100). The main control unit 145 waits until the operation for selecting the operation mode is performed.

The main control unit 145 identifies the operation mode selected by the selection operation (step S102). The main control unit 145 determines whether or not the specified operation mode is the power off operation (step S104). When the main control unit 145 determines that the specified operation mode is the power off operation, the main control unit 145 proceeds to the process in step S154.

When the main control unit 145 determines that the specified operation mode is not the power off operation, the main control unit 145 determines whether or not the specified operation mode is the first operation mode (step S106). When the main control unit 145 determines that the specified operation mode is the first operation mode, the main control unit 145 determines whether or not the first operation mode count has been started (step S108). When the main control unit 145 determines that the first operation mode count has been started, the main control unit 145 advances the process to step S112. When the main control unit 145 determines that the first operation mode count has not been started, the main control unit 145 starts the first operation mode count (step S110). The main control unit 145 determines whether or not the first operation mode count is less than the time limit TL (step S112). When the main control unit 145 determines that the first operation mode count is less than the time limit TL, the process proceeds to step S116. When the main control unit 145 determines that the first operation mode count is not less than the time limit TL, the main control unit 145 executes the reset process of the first operation mode count (step S114). The details of the reset process of the first operation mode count will be described later.

When the main control unit 145 determines that the first operation mode count is less than the time limit TL, the main control unit 145 operates the vacuum cleaner 10 according to the selected operation mode (step S116). Specifically, the main control unit 145 selects a control command corresponding to the selected operation mode, and outputs the control command to the electric blower control unit 140 and the motor control unit 135, respectively. The main control unit 145 uses the operation button 502 to perform the first operation mode and the second operation mode while the vacuum cleaner 10 is being operated by any of the first operation mode to the fourth operation mode by the process of step S116. , The operation of selecting one of the third operation mode and the fourth operation mode, or the operation of ending the operation of the vacuum cleaner 10 is determined (step S118).

When the main control unit 145 determines that the operation has been performed by the operation button 502 in the process of step S118, whether or not the operation is an operation of selecting the same operation mode as the current operation mode of the vacuum cleaner 10. Determine (step S120). When the main control unit 145 determines that the operation for the operation button 502 is an operation for selecting the same operation mode as the current operation mode of the vacuum cleaner 10, the process proceeds to step S102.

When the main control unit 145 determines that the operation for the operation button 502 is not an operation for selecting the same operation mode as the current operation mode of the vacuum cleaner 10, whether or not the current operation mode is the first operation mode. Is determined (step S122). When the main control unit 145 determines that the current operation mode is not the first operation mode, the main control unit 145 advances the process to step S102. When the main control unit 145 determines that the current operation mode is the first operation mode, the main control unit 145 resets the first operation mode count (step S124) and advances the process to step S102.

When the main control unit 145 determines that the operation button 502 has not been operated while the vacuum cleaner 10 is being operated in any of the first operation mode to the fourth operation mode by the process of step S116, Based on the detection result of the floor surface detection unit 136, it is determined whether or not the suction port body 130 is in contact with the floor surface (step S126). When the main control unit 145 determines that the suction port body 130 is in contact with the floor surface, the main control unit 145 resets the separation surface count (step S128) and proceeds to the process in step S106.

When the main control unit 145 determines that the suction port body 130 is not in contact with the floor surface, the main control unit 145 notifies the user by the notification unit 504 that the suction port body 130 is not in contact with the floor (step S130). Next, the main control unit 145 determines whether or not the separation surface count has started (step S132). When the main control unit 145 determines that the separation surface count has started, the process proceeds to step S138. When the main control unit 145 determines that the separation surface count has not been started, the main control unit 145 starts counting the separation surface count (step S134).

Next, the main control unit 145 determines whether or not the separation surface count is less than the permissible time Tm (step S138). When the main control unit 145 determines that the separation surface count is less than the permissible time Tm, the process proceeds to step S116.

When the main control unit 145 determines that the separation surface count is equal to or longer than the allowable time Tm, the main control unit 145 changes the operation mode of the vacuum cleaner 10 to the fifth operation mode (that is, the power saving stop mode) (step S140). Specifically, the main control unit 145 selects a control command corresponding to the fifth operation mode and outputs the control command to the electric blower control unit 140 and the motor control unit 135, respectively. Further, the main control unit 145 stops counting the first operation mode count (step S141).

Then, the main control unit 145 determines whether or not the suction port body 130 is in contact with the floor surface based on the detection result of the floor surface detection unit 136 (step S142). When the main control unit 145 determines that the suction port body 130 is in contact with the floor surface, the main control unit 145 resets the separation surface count (step S144) and proceeds to the process in step S106.

When the main control unit 145 determines that the suction port body 130 is not in contact with the floor surface, the main control unit 145 operates one of the first operation mode, the second operation mode, the third operation mode, and the fourth operation mode. It is determined whether or not the operation of selecting the mode or the operation of ending the operation of the vacuum cleaner 10 has been performed (step S146). When the main control unit 145 determines that the operation has been performed by the operation button 502, the main control unit 145 resets the separation surface count (step S148) and proceeds to the process in step S106.

When the main control unit 145 determines that the operation is not performed by the operation button 502 in the process of step S146, the main control unit 145 determines whether or not the separation surface count has reached the first predetermined time TD1 (step S150). When the main control unit 145 determines that the separation surface count has not reached the TD1 for the first predetermined time, has the vacuum cleaner 10 been attached to the charging device 20 (that is, has the vacuum cleaner 10 started charging)? Whether or not it is determined (step S152). When the main control unit 145 determines that the vacuum cleaner 10 is not attached to the charging device 20, the process proceeds to step S142.

When the main control unit 145 determines in the process of step S150 that the separation surface count has reached the TD1 for the first predetermined time, or when it determines in the process of step S152 that the vacuum cleaner 10 is attached to the charging device 20. The separation count is reset (step S154). Next, the main control unit 145 resets the first operation mode count (step S156). Next, the main control unit 145 changes the operation mode of the vacuum cleaner 10 to the fifth operation mode (step S158). Next, the main control unit 145 turns off the vacuum cleaner 10 (step S160). The main control unit 145 may turn off the vacuum cleaner 10 without going through the fifth operation mode.

FIG. 9 is a flowchart showing an example of the reset process of the first operation mode count according to step S114. First, the main control unit 145 stops and resets the first operation mode count (step S200). Next, the main control unit 145 identifies the operation mode immediately before the first operation mode (step S202). Next, the main control unit 145 determines whether or not there is an operation mode immediately before being operated by the first operation mode (step S204). When the main control unit 145 determines that the immediately preceding operation mode exists, the process proceeds to step S116. When the main control unit 145 determines that the immediately preceding operation mode does not exist (for example, when the immediately preceding state is the power-off state of the vacuum cleaner 10), it is assumed that the immediately preceding operation mode is the second operation mode. The identification (step S206) is performed, and the process proceeds to step S116.

<6. Another example of the first operation mode>
In the above-described embodiment, the main control unit 145 causes both the blower motor 114a and the rotary brush motor 134 to operate in the first operation mode with a limited operating time during continuous drive (that is, blown air). An overcurrent is flowing through both the motor 114a and the rotary brush motor 134), but the present invention is not limited to this. For example, in the first operation mode, the main control unit 145 may cause one of the blower motor 114a and the rotary brush motor 134 to operate with restrictions. That is, the first operation mode may be an operation mode in which an overcurrent flows only in one of the blower motor 114a and the rotary brush motor 134. In this case, in the first operation mode, the main control unit 145 outputs a sixth control command to the rotary brush motor 134 to cause a limited operation, while the electric blower control unit 140 is operated so far. A control command similar to the mode may be output. Further, in the first operation mode, the main control unit 145 outputs a first control command to the electric blower control unit 140 to perform a limited operation, while the rotary brush motor 134 has a conventional operation mode. The same control command as in (in this case, the seventh control command) may be output.

<7. Other examples of power saving stop mode>
In the above-described embodiment, the case where both the blower motor 114a and the rotary brush motor 134 are stopped in the power saving stop mode has been described, but the present invention is not limited to this. The main control unit 145 may, for example, stop the operation of one of the blower motor 114a and the rotary brush motor 134 in the power saving stop mode. Further, the main control unit 145 may perform control such as suppressing the operation of the blower motor 114a and the rotary brush motor 134 (for example, lowering the rotation speed) in the power saving stop mode.

<8. Reset timing of 1st operation mode count>
In the above-described embodiment, the main control unit 145 resets the first operation mode count when the first operation mode count reaches the time limit TL, and sets the vacuum cleaner 10 in an operation mode other than the first operation mode. I explained that it is operated by, but it is not limited to this. The main control unit 145, for example, when it is detected that the suction port body 130 is separated from the floor surface, or when the separation surface count is reset (that is, when the suction port body 130 touches the floor surface again). The first operation mode count may be reset to, and the vacuum cleaner 10 may be operated in an operation mode other than the first operation mode. The timing at which the separation surface count is reset is, for example, the timing of processing such as step S128, step S144, and step S148.

In the present specification, "when it is detected that the suction port body is separated from the surface to be cleaned while operating in the limited operation mode, the drive of the motor is stopped or suppressed, and the time limit count is reset." Is not limited to the case where the motor drive is stopped or suppressed and the time limit count is reset at the timing when it is detected that the suction port body is separated from the surface to be cleaned, and the suction port body is cleaned. This includes the case where the drive of the motor is stopped or suppressed and the time limit count is reset after the timing when the distance from the surface is detected. Further, the timing at which the motor drive is stopped or suppressed and the timing at which the time limit count is reset do not have to be the same.

<9. Continuation of 1st operation mode count>
In the above-described embodiment, the case where the main control unit 145 stops the count of the first operation mode count due to the change of the operation mode to the power saving stop mode has been described, but the present invention is not limited to this. The main control unit 145 may continue counting the first operation mode count even if the operation mode is changed to the power saving stop mode. In this case, the process of step S141 described above may not be performed.

In other words, when the main control unit 145 detects that the suction port 130 is separated from the floor surface while being operated in the first operation mode, the main control unit 145 enters the power saving stop mode but counts the first operation mode count. If it is detected that the suction port 130 touches the floor surface before the time limit TL elapses, the operation in the first operation mode is performed for the remaining time of the time limit TL. On the other hand, when it is detected that the suction port 130 touches the floor surface after the time limit TL has elapsed, the main control unit 145 operates the vacuum cleaner 10 in the operation mode immediately before the first operation mode. ..

<10. Power off state due to removal of suction port>
In the above-described embodiment, the main control unit 145 detects that the suction port 130 is in contact with the floor surface within the first predetermined time TD1 after the operation mode is changed to the power saving stop mode. The case where the operation of the vacuum cleaner 10 is terminated when the case is not performed has been described, but the present invention is not limited to this. The main control unit 145 terminates the operation of the vacuum cleaner 10 when, for example, the suction port body 130 is removed from the vacuum cleaner main body 110 after the operation mode is changed to the power saving stop mode. May be good. In this case, in the power saving stop mode, the main control unit 145 ends the operation of the vacuum cleaner 10 when the time elapsed since the suction port 130 is removed from the vacuum cleaner main body 110 reaches the third predetermined time TD3. Let me. The first predetermined time TD1 and the third predetermined time TD3 have a relationship of, for example, a first predetermined time TD1> a third predetermined time TD3. The main control unit 145 determines whether or not the suction port 130 has been removed from the vacuum cleaner main body 110 based on, for example, a communication state with the suction port 130 (motor control unit 135), a load state of the rotary brush motor 134, and the like. May be detected. In the present specification, "the suction port body is removed from the vacuum cleaner body" means that when the suction port body and the vacuum cleaner body are connected via an extension pipe, the suction port body may be removed from the extension pipe. Including.

<11. Examples other than counting stop>
In the above-described embodiment, the case where the main control unit 145 stops the first operation mode count in the power saving stop mode has been described, but the present invention is not limited to this. For example, the main control unit 145 may perform a process of suppressing the first operation mode count instead of the process of stopping the first operation mode count. The process of suppressing the first operation mode count is, for example, a process of lowering the frequency of counting (that is, lengthening the counting cycle) as compared with the case of not suppressing the count.

<12. Example of changing the time limit TL>
In the above-described embodiment, after the vacuum cleaner 10 operated by the main control unit 145 in the first operation mode is stopped by the power saving stop mode, the suction port body 130 touches the floor surface within the first predetermined time TD1. Along with this, when the first operation mode count is restarted while the first operation mode is restarted, the case where the restarted first operation mode continues until the first operation mode count reaches the time limit TL will be described. However, it is not limited to this. In the main control unit 145, the elapsed time from when the vacuum cleaner 10 starts the operation in the first operation mode to when the operation is stopped in the power saving stop mode (elapsed time D3 in FIG. 4) and the remaining time. Based on the information, the operation time according to the first operation mode after resumption may be selected.

FIG. 10 is a diagram showing an example of the content of the remaining time information of the embodiment. The remaining time information is, for example, information indicating the elapsed time from the start of the operation in the first operation mode to the stop of the operation in the power saving stop mode, and the information indicating the operation time in the first operation mode after the restart. Is the information associated with each other. In FIG. 10, elapsed time 1 to 5 [seconds], operating time 15 [seconds], elapsed time 5 to 10 [seconds], operating time 10 [seconds], elapsed time 11 to 15 [seconds], and The operating time of 5 [seconds] is associated with each other. Each of these times is an example of "time based on the elapsed time from the start of the first operation mode to the entry into the power saving stop mode".

When the main control unit 145 restarts the first operation mode from the power saving stop mode state, the operation time associated with the elapsed time is associated with the elapsed time indicated by the first operation mode count and the remaining time information. Select. After restarting the first operation mode, the main control unit 145 outputs a control instruction to the electric blower control unit 140 and the motor control unit 135 so that the first operation mode continues for the operation time. For example, the main control unit 145 sets a predetermined value from the first operation mode count so that the value obtained by subtracting the first operation mode count from the time limit TL becomes the selected operation time when the first operation mode is restarted. May be subtracted, or a predetermined value may be added to the time limit TL.

The remaining time information is the remaining time of the time limit TL obtained by subtracting the elapsed time from the start of the operation in the first operation mode to the stop of the operation in the power saving stop mode from the time limit TL (in FIG. 4). The elapsed time D4) and the information indicating the operation time in the first operation mode after resumption may be information that is associated with each other.

<13. Summary of embodiments>
The vacuum cleaner 10 of the present embodiment includes a first motor (for example, a blower motor 114a), a second motor (for example, a rotary brush motor 134), and a control unit (for example, an electric blower control unit 140, a motor control unit 135). , A functional unit realized by the main control unit 145 and the storage unit 146). The blower motor 114a is provided in the vacuum cleaner 10 to generate a suction force. The rotary brush motor 134 is provided in the suction port body 130 and rotates the rotary brush 133. When the control unit detects that the suction port 130 is separated from the surface to be cleaned while being operated in a predetermined operation mode (in this case, the first operation mode to the fourth operation mode), the blower motor 114a And when it is detected that the suction port 130 touches the surface to be cleaned within the first predetermined time TD1 by stopping or suppressing the drive of at least one of the floor surface detection unit 136, the drive is stopped or suppressed. The drive of at least one of the motor 114a and the rotary brush motor 134 is restarted. The predetermined operation mode includes a limited operation mode in which a time limit is set (for example, a first operation mode).

According to such a configuration, in the vacuum cleaner 10 having an operation mode in which the time limit is set, the power saving stop mode can be used, and the remaining amount of the secondary battery 115 is gradually reduced. As a result, it is possible to improve the convenience of the user, such as being able to clean for a long time using the vacuum cleaner 10. Further, when the limited operation mode is an operation mode in which an overcurrent flows through the motor, according to the above configuration, the overcurrent is applied to the motor in a state where the suction port 130 is separated from the floor surface and the vacuum cleaner 10 does not substantially function. It is possible to suppress the flow. As a result, the life of the motor can be extended.

Here, as a first comparative example, consider a configuration in which the time limit counting is continued even if the suction port body 130 is separated from the floor surface. In such a configuration, since the count proceeds even while the suction port body 130 is away from the floor surface, the remaining time of the time limit disappears immediately after the suction port body 130 touches the floor surface again, and the vacuum cleaner 10 operates. It may be changed to another operation mode. In this case, the user needs to perform the operation of selecting the restricted operation mode again, which complicates the operation.

On the other hand, the vacuum cleaner 10 of the present embodiment stops or suppresses the time limit counting based on whether or not the suction port body 130 is in contact with the floor surface, thereby causing the suction port body. It is possible to prevent the remaining time of the time limit from being exhausted immediately after the 130 touches the floor surface again. As a result, it is possible to prevent the operation from becoming complicated.

Further, as a second comparative example, consider a configuration in which the time limit count is reset when the suction port body 130 is separated from the floor surface. In this case, if the suction port 130 is used while being frequently raised and lowered with respect to the floor surface, it is difficult to end the limited operation mode due to the expiration of the time limit, and for example, the overcurrent flows through the motor for a long time. There can be cases.

On the other hand, the vacuum cleaner 10 of the present embodiment stops or suppresses the time limit counting, and restarts the time limit counting when the suction port body 130 touches the floor surface, thereby ending the limited operation mode. It is possible to prevent the situation where it is difficult to reach. As a result, it is possible to prevent the motor from being driven for a long time in an overloaded state.

When it is detected that the suction port 130 is separated from the floor surface while being operated in the first operation mode, the vacuum cleaner 10 of the present embodiment enters the power saving stop mode and is within the first predetermined time TD1. When it is detected that the suction port body 130 touches the floor surface, the operation of the vacuum cleaner 10 is restarted in the first operation mode. As a result, the vacuum cleaner 10 can easily resume the operation in the first operation mode even if the power saving stop mode is set due to the temporary lifting of the suction port 130 in order to avoid obstacles on the floor surface. be able to.

In the present embodiment, when it is detected that the suction port body 130 is separated from the floor surface, the notification unit 504 of the vacuum cleaner 10 notifies that the suction port body 130 is separated from the floor surface. As a result, the user can be prevented from being confused by stopping the operation of the vacuum cleaner 10 in the power saving stop mode.

In the first operation mode, the vacuum cleaner 10 of the present embodiment detects that the suction port body 130 is separated from the floor surface, enters the power saving stop mode, is attached to the charging device 20 in that state, and starts the charging state. If so, the mode shifts to the charging mode and the count of the first operation mode count is reset. As a result, when the vacuum cleaner 10 starts to be used again, it is possible to prevent the operation in the first operation mode from being unnecessarily shortened.

In the vacuum cleaner 10 of the present embodiment, when it is detected that the suction port 130 is separated from the floor surface while the vacuum cleaner device 1 is being operated in the first operation mode, the main control unit 145 is the first. 1 Reset the operation mode count. As a result, the vacuum cleaner 10 is unnecessarily shortened from the operation in the first operation mode after the power saving stop mode is set due to the temporary lifting of the suction port 130 in order to avoid obstacles on the floor surface. Can be suppressed.

In the present embodiment, when it is detected that the suction port body 130 is separated from the floor surface while being operated in the first operation mode, the main control unit 145 enters the power saving stop mode and the time limit TL. Stop or suppress counting. Then, when the operation of the user who operates the vacuum cleaner 10 is received by the operation button 502, the operation of the vacuum cleaner 10 is restarted in the first operation mode, and the counting with respect to the remaining time of the time limit TL is restarted. According to such a configuration, the counting of the time limit can be restarted from the continuation by the operation with respect to the operation button 502.

In the present embodiment, when the main control unit 145 detects that the suction port 130 is separated from the floor surface while being operated in the first operation mode, the main control unit 145 enters the power saving stop mode and the suction port 130 enters the power saving stop mode. When the state of being removed from the vacuum cleaner main body 110 continues for TD3 or more for the third predetermined time, the operation of the vacuum cleaner 10 is terminated, and the operation of the user who operates the vacuum cleaner 10 is accepted by the operation button 502. The operation of the vacuum cleaner 10 is restarted in the first operation mode, and the count for the remaining time of the time limit TL is restarted. According to such a configuration, even if the suction port body 130 is removed, the time limit counting can be restarted from the continuation.

The limited operation mode is not limited to the operation mode in which the time limit is set in relation to the continuous operation time of the motor. For example, the restricted operation mode is an operation mode for collecting data on how to use the vacuum cleaner 10 of the user, for example, collecting the detection result of the operation state for 10 seconds and transmitting it to the server device. May be good.

Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, as well as in the scope of the invention described in the claims and the equivalent scope thereof.

1 ... Vacuum cleaner device, 10 ... Vacuum cleaner, 20 ... Charging device, 110 ... Vacuum cleaner body, 111 ... Body case, 112 ... Grip, 113 ... Dust collector, 114 ... Electric blower, 114a ... Blower motor, 115 ... secondary battery, 117 ... main body control unit, 120 ... extension tube, 130 ... suction port body, 133 ... rotary brush, 134 ... rotary brush motor, 135 ... motor control unit, 136 ... floor surface detection unit, 140 ... electric Blower control unit, 141 ... 1st switching unit, 142 ... 2nd switching unit, 145 ... main control unit, 146 ... storage unit, 500 ... operation unit, 502 ... operation button, 504 ... notification unit, TD1 ... 1st predetermined time , TD2 ... 2nd predetermined time, TD3 ... 3rd predetermined time, TL ... Time limit, Tm ... Allowable time.

Claims (13)

A first motor provided in the vacuum cleaner body to generate suction force, a second motor provided in the suction port body to rotate the rotating brush, and
When it is detected that the suction port body is separated from the surface to be cleaned while operating in a predetermined operation mode, the drive of at least one of the first motor and the second motor is stopped or suppressed. Then, when it is detected that the suction port body touches the surface to be cleaned within the first predetermined time, the control unit that restarts the driving of at least one of the motors is used.
With
The predetermined operation mode includes a limited operation mode in which a time limit is set.
Vacuum cleaner. When it is detected that the suction port body is separated from the surface to be cleaned while operating in the limited operation mode, the control unit stops or suppresses the counting of the time limit.
The vacuum cleaner according to claim 1. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, and the first 1 When it is detected that the suction port body touches the surface to be cleaned within a predetermined time, the drive of at least one of the motors is restarted in the limited operation mode.
The vacuum cleaner according to claim 1 or 2. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, and the first 1 When it is detected that the suction port body touches the surface to be cleaned within a predetermined time, the drive of at least one of the motors is changed from the start of the limited operation mode to the stop or suppression of the drive. Perform in the limited operation mode only for the time based on the time.
The vacuum cleaner according to any one of claims 1 to 3. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, and at the same time, the control unit stops or suppresses the drive of the at least one motor. When the time limit count is stopped or suppressed and it is detected that the suction port body touches the surface to be cleaned within the first predetermined time, the drive of at least one of the motors is restarted in the limited operation mode. At the same time, the count for the remaining time of the time limit is restarted.
The vacuum cleaner according to any one of claims 1 to 4. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, and at the same time, the control unit stops or suppresses the drive of the at least one motor. When the count of the time limit is stopped or suppressed and it is detected that the suction port body touches the surface to be cleaned within the first predetermined time, the drive of at least one of the motors is restarted in the limited operation mode. At the same time, counting with respect to the remaining time of the time limit is restarted, and when the remaining time of the time limit elapses, the vacuum cleaner is operated in the operation mode immediately before the time limit operation mode.
The vacuum cleaner according to any one of claims 1 to 5. It also has a reception section that accepts user operations.
When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, and at the same time, the control unit stops or suppresses the drive of the at least one motor. When the operation of the user who stops or suppresses the count of the time limit and operates the vacuum cleaner is accepted by the reception unit, the drive of at least one of the motors is restarted in the limited operation mode, and the time limit is reached. Resume counting for the remaining time of
The vacuum cleaner according to any one of claims 1 to 6. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, and the second If it is not detected that the suction port body touches the surface to be cleaned within a predetermined time, the operation of the vacuum cleaner is terminated.
The vacuum cleaner according to any one of claims 1 to 7. It also has a reception section that accepts user operations.
When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, and the suction port body is operated. When the state in which the mouth body is removed from the vacuum cleaner main body continues for a third predetermined time or longer, the operation of the user who terminates the operation of the vacuum cleaner and operates the vacuum cleaner is accepted by the reception unit. In this case, the drive of at least one of the motors is restarted in the limited operation mode, and the count for the remaining time of the time limit is restarted.
The vacuum cleaner according to any one of claims 1 to 8. Further provided with a notification unit for notifying the state of the vacuum cleaner.
When it is detected that the suction port body is separated from the surface to be cleaned, the notification unit gives a predetermined notification.
The vacuum cleaner according to any one of claims 1 to 9. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops driving the at least one motor and charges the motor in that state. When is started, the charging mode is entered and the time limit count is reset.
The vacuum cleaner according to any one of claims 1 to 10. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, and at the same time, the control unit stops or suppresses the drive of the at least one motor. When the time limit count is reset and it is detected that the suction port body touches the surface to be cleaned within the first predetermined time, the vacuum cleaner is operated by the operation mode immediately before the time limit operation mode. To do,
The vacuum cleaner according to any one of claims 1 to 11. When it is detected that the suction port body is separated from the surface to be cleaned while the control unit is operating in the restricted operation mode, the control unit stops or suppresses the drive of at least one of the motors, but the restriction. The time count continues, and if it is detected that the suction port body touches the surface to be cleaned before the time limit elapses, at least one of the motors is driven by the remaining time of the time limit. When it is performed in the limited operation mode and it is detected that the suction port body touches the surface to be cleaned after the time limit has elapsed, the vacuum cleaner is operated in the operation mode immediately before the limited operation mode.
The vacuum cleaner according to any one of claims 1 to 12.

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