CN211511644U - Starting detection device of dust removal instrument and dust collector - Google Patents

Abstract

The utility model relates to a start detection device and dust catcher of dust collecting instrument belongs to cleaning device technical field for solve the problem whether the unable automated inspection album dirt cup of current dust catcher assembles in the dust catcher. The startup detection device comprises a sensing unit, a control unit and a warning unit, wherein the sensing unit is used for detecting whether a dust collection cup body is assembled on a dust removal instrument or not and transmitting a generated signal to the control unit; the control unit controls whether a motor of the dust removal instrument is started or not according to the signal transmitted by the sensing unit, and can send an instruction to the warning unit; the warning unit sends out warning information according to the instruction of the control unit. The utility model discloses a set up sensing unit, the control unit and warn the unit, can detect out when the start whether the collection dirt cup assembles, avoid under the condition that does not assemble collection dirt cup, open the motor, avoid the no event loss of electric energy, extravagant user's time and physical power.

Description

Starting detection device of dust removal instrument and dust collector

Technical Field

The utility model relates to a cleaning device technical field especially relates to a dust collecting instrument's start detection device and dust catcher.

Background

In current dust catcher, the dust catcher all can normally start in order to get into operating condition after triggering switch, however, because integrated cup can be dismantled with the dust catcher, if when the dust catcher normally starts, if do not assemble the collection dirt cup to the dust catcher in, the dust just can't be stored in the collection dirt cup, the ineffectiveness loss of electric energy has not only been caused, a large amount of physical power and the time of user have been consumed again, and a large amount of dusts can enter into the motor unit of dust catcher rear end, among parts such as air exhaust assembly, these dusts not only are difficult to clear up, and can influence the motor unit, the normal work efficiency and the life-span of parts such as air exhaust assembly, thereby reduce the dust collection efficiency and the life of dust catcher.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing analysis, an embodiment of the present invention is directed to a start-up detection device of a dust removal apparatus and a dust collector, so as to solve the problem that the existing dust collector cannot automatically detect whether a dust cup body is assembled in the dust collector.

On one hand, the utility model provides a start-up detection device of a dust removing instrument, which comprises a sensing unit, a control unit and a warning unit, wherein the sensing unit is used for detecting whether the dust removing instrument is assembled with a dust collecting cup body or not and transmitting a generated signal to the control unit; the control unit controls whether a motor of the dust removal instrument is started or not according to the signal transmitted by the sensing unit, and can send an instruction to the warning unit; the warning unit sends out warning information according to the instruction of the control unit.

Further, the sensing unit comprises a sensor, and the sensor is connected with the control unit and transmits the generated signal to the control unit.

Further, the sensor is a touch sensor.

Further, the sensing unit further comprises an elastic member;

the sensor is provided with a trigger end;

the elastic piece can be contacted with the triggering end under the action of external force.

Further, the elastic piece is a spring plate, the spring plate comprises a fixed end and a movable end, the fixed end is connected with the sensor, and the movable end is opposite to the trigger end.

Further, the sensing unit further comprises a contact;

the elastic piece is located between the sensor and the contact piece, and the contact piece can press the elastic piece under the action of external force, so that the elastic piece or the contact piece can be in contact with the trigger end.

Further, the contact piece comprises a mounting portion and a protruding portion, and the protruding portion is located on one side, far away from the elastic piece, of the mounting portion.

Furthermore, the warning unit can send out one or more prompt messages of light, sound, characters and images.

Further, the number N of the sensing units is more than or equal to 1.

On the other hand, the utility model provides a dust collector, including foretell dust collecting instrument's start detection device, collection dirt cup and casing main part.

Further, the shell body is provided with an assembly cavity for assembling the dust collection cup body;

the sensing unit, the control unit and the warning unit are respectively connected with a power supply unit of the dust collector.

Furthermore, the warning unit is a display screen and is arranged on the top end face of the shell body;

the sensing unit is embedded on the cavity wall of the assembly cavity.

Further, the mounting parts of the sensor, the elastic element and the contact element are positioned in the shell main body, and the convex part of the contact element can penetrate through the cavity wall of the assembly cavity and protrude from the cavity wall.

Further, when the dust collection cup body is assembled in the assembly cavity, the outer end face of the protruding portion is flush with the outer wall face of the assembly cavity, and the movable end is in contact with the trigger end.

Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:

(1) by arranging the sensing unit, the control unit and the warning unit, whether the dust collecting cup body is assembled or not can be detected when the dust collecting cup body is started, and the motor is prevented from being started under the condition that the dust collecting cup body is not assembled, so that the power consumption is avoided, the time and physical strength of a user are wasted, and a large amount of dust can be prevented from entering components such as the motor and an air exhaust assembly of a dust removing instrument, so that the dust removing efficiency of the dust removing instrument is reduced and the service life of the dust removing instrument is prolonged;

(2) by arranging the plurality of sensing units, whether the dust collection cup body is assembled correctly can be detected, the motor is prevented from being started under the condition that the dust collection cup body is not assembled correctly, and the dust collection instrument can be ensured to exert normal dust collection effect;

(3) the sensor of the sensing unit adopts a contact sensor, so that the accuracy and the stability of the sensing unit can be effectively improved;

(4) the bellying of contact can pass the assembly and hold the outer wall of chamber, and under the extrusion of collection dirt cup, the bellying retracts in sensing unit's the assembly area, and makes the expansion end of elastic component and the trigger end of sensor contact, and the sensor generates the signal, and so sensing unit neither influences the assembly of collection dirt cup, can in time detect out again whether the assembly of collection dirt cup, and detection mode is simple, accurate, swift.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

FIG. 1 is a block diagram of a power-on detection apparatus of a dust removing apparatus according to a first embodiment;

FIG. 2 is a view showing a configuration of a sensor unit according to the first embodiment when the sensor unit is mounted on a cleaner;

FIG. 3 is a structural view of a vacuum cleaner according to a second embodiment;

FIG. 4 is a view showing a structure of a dust cup of a vacuum cleaner according to the second embodiment;

FIG. 5 is a partial sectional view of a vacuum cleaner according to a second embodiment;

FIG. 6 is a partial sectional view of the unassembled dirt cup of the vacuum cleaner of the second embodiment;

FIG. 7 is a partial sectional view of the unassembled dirt cup of the vacuum cleaner of the second embodiment;

FIG. 8 is a flow chart showing the operation of the vacuum cleaner according to the second embodiment in which a sensing unit is provided;

fig. 9 is a flow chart illustrating the operation of the vacuum cleaner according to the second embodiment in which two or more sensing units are provided.

Reference numerals:

1-a sensing unit; 11-a sensor; 111-trigger end; 12-an elastic member; 121-fixed end; 122-a movable end; 13-a contact; 131-a mounting portion; 132-a boss; 14-a mounting bracket; 141-card slot; 142-a spindle recess; 15-a rotating shaft; 2-a control unit; 3-a warning unit;

4-dust collecting cup body; 5-assembling a cavity; 51-a front wall; 52-a top wall; 53-bottom wall; 6-power switch; 7-a suction tube; 71-air outlet.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

Example one

The embodiment provides a start-up detection device of a dust removing instrument (hereinafter, the start-up detection device of the dust removing instrument is simply referred to as a start-up detection device), which can be applied to the dust removing instrument so that the dust removing instrument can automatically detect whether a dust collecting cup body is assembled or not when the dust removing instrument is started up. The dust removal instrument is an instrument provided with a container (such as a dust collection cup body, a dust collection box and the like, the dust collection cup body is used for replacing the container below, and the container is not limited to only collect dust) capable of collecting dust, waste scraps or hair, and the like, such as a dust collector, a mite removing instrument, a sweeping robot and the like.

As shown in fig. 1 to 7, the start-up detection device includes a sensing unit 1, a control unit 2 and a warning unit 3, the control unit 2 is respectively connected with the sensing unit 1 and the warning unit 3, the sensing unit 1 is used for detecting whether a dust-collecting cup body is assembled on the dust-removing instrument and transmitting a generated signal to the control unit 2; the control unit 2 is connected with a motor of the dust removal instrument and controls whether the motor is started or not, specifically, the control unit 2 controls whether the motor is started or not according to a signal transmitted by the sensing unit 1, and the control unit 2 can send an instruction to the warning unit 3; the warning unit 3 sends out warning information according to the instruction of the control unit 2.

Regarding the connection relation of the start-up detection device and the dust removal instrument, the sensing unit 1 is installed in a cavity for assembling the dust collection cup body in the dust removal instrument (hereinafter, the cavity for assembling the dust collection cup body is referred to as an assembly cavity) or embedded on the wall of the assembly cavity, and the sensing unit 1 can detect whether the dust collection cup body is assembled in the assembly cavity. Warning unit 3 sets up on dust collecting instrument's casing and/or inside, and specific position depends on warning unit 3 to adopt what kind of warning mode to remind the user, for example: if the warning unit 3 reminds the user through visual warning, such as color or on/off of an indicator light, characters or patterns on a display screen, and the like, the warning unit 3 is installed on the shell and is installed in a place where the shell is obvious, so that the user can visually see the warning unit to prompt the user; if the warning unit 3 reminds the user through auditory warning, such as voice, warning music, etc., the warning unit 3 is installed on or in the shell; the warning unit 3 can also remind the user through multiple warning modes at the same time. The control unit 2 is selectively installed in a shell of the dust removing instrument to play a certain protection role for the control unit 2, and the control unit 2 is connected with a motor of the dust removing instrument and controls whether the motor is started or not.

It should be noted that the start-up detection device may be provided with a power supply unit, or may be connected to a power supply unit of the dust removal instrument, and the power supply unit of the dust removal instrument is used to supply power to the start-up detection device.

The working principle of the starting detection device is as follows: after a power switch of the dust removal instrument is turned on, the sensing unit 1 starts to detect whether a dust collection cup body is assembled in the cavity or not and transmits a generated signal to the control unit 2, the control unit 2 controls whether a motor of the dust removal instrument is turned on or not according to the signal transmitted by the sensing unit 1, and specifically, if the sensing unit 1 detects that the dust collection cup body is assembled in the cavity, the control unit 2 turns on the motor, and the dust removal instrument starts to remove dust; if the sensing unit 1 detects that the dust collection cup body is not assembled in the accommodating cavity, the control unit 2 does not start the motor and sends an instruction to the warning unit 3, so that the warning unit 3 reminds a user that the dust collection cup body of the dust removal instrument is not assembled in the accommodating cavity.

The sensing unit 1 comprises a sensor 11 which is installed in the assembly cavity or embedded on the wall of the assembly cavity and can detect whether the dust collecting cup body is assembled in the assembly cavity or not, and the sensor 11 is connected with the control unit 2 so as to transmit a generated signal to the control unit 2. It should be noted that any sensor that can detect whether or not the dust cup body is mounted in the mounting receptacle may be used as the sensor 11 of the sensing unit 1, such as a pressure sensor, an ultrasonic distance measuring sensor, and the like.

In order to improve the accuracy and stability of the sensor unit 1, the sensor 11 is a touch sensor.

Specifically, the sensing unit 1 includes a sensor 11, an elastic member 12 and a contact member 13, the sensor 11 includes an activation end 111, the elastic member 12 is located between the sensor 11 and the contact member 13, and the contact member 13 can press the elastic member 12 to deform under an external force (such as a squeezing force of the dirt cup body), so that the elastic member 12 or the contact member 13 can contact with the activation end 111, and the activation end 111 of the sensor 11 is touched to generate a signal and transmit the signal to the control unit 2; the external force on the contact piece 13 is removed, and the contact piece 13 moves the elastic piece 12 and the contact piece 13 away from the trigger end 111 under the elastic force of the elastic piece 12 and is no longer in contact with the trigger end 111, and at this time, the sensor 11 does not send a signal to the control unit 2.

When the start-up detection device is applied to a dust removing instrument, a mounting area for mounting the sensing unit 1 is arranged in the dust removing instrument, when no external force acts, at least one part of the contact element 13 can penetrate through the outer wall surface of the mounting cavity, the contact element 13 can be wholly withdrawn into the mounting area under the extrusion of the dust collecting cup body, and meanwhile, the contact element 13 presses the elastic element 12, so that the elastic element 12 or the contact element 13 is in contact with the trigger end 111 of the sensor 11.

Specifically, when the start-up detection device is applied to the dust removing apparatus, there are two cases when the dust removing apparatus is started up:

case a 1: when the dust collection cup body is assembled in the accommodating cavity, the dust collection cup body applies extrusion force to the contact piece 13, the contact piece 13 is located in the assembly area in a whole mode, the contact piece 13 presses the elastic piece 12, the elastic piece 12 or the contact piece 13 is made to be in contact with the trigger end 111 of the sensor 11, the sensor 11 sends a signal to the control unit 2 at the moment, the control unit 2 receives the signal, the dust collection cup body is assembled in the accommodating cavity in an analyzing mode, the control unit 2 controls the motor to be started, and the dust removal instrument starts dust removal work.

Case a 2: when the dust collection cup body is not assembled in the accommodating cavity, the contact element 13 is under the elastic action of the elastic element 12, so that the elastic element 12 and the contact element 13 are not in contact with the trigger end 111 of the sensor 11, at least one part of the contact element 13 is positioned in the accommodating cavity, the sensor 11 does not send a signal to the control unit 2 at the moment, the control unit 2 does not receive the signal sent by the sensor 11, the dust collection cup body is analyzed to be not assembled in the accommodating cavity, the control unit 2 sends an instruction to the warning unit 3, the warning unit 3 sends out visual or auditory warning information to remind a user that the dust collection cup body is not assembled in the accommodating cavity, the user timely closes a switch of a dust removal instrument according to the prompt, the dust collection cup body is found to be assembled in the accommodating cavity, and.

In this embodiment, the elastic element 12 is an elastic sheet, the elastic sheet is located in a gap between the sensor 11 and the contact element 13, and includes a fixed end 121 and a movable end 122, the fixed end 121 is connected to the sensor 11, the movable end 122 corresponds to the trigger end 111 of the sensor 11, the contact element 13 can press the movable end 122 to approach the trigger end 111 under the action of external force, so that the movable end 122 contacts the trigger end 111, and when the contact element 13 is not subjected to the external force, the movable end 122 has a certain distance from the sensor 11 and does not contact the trigger end 111. The contact 13 includes a mounting portion 131 and a protruding portion 132, the protruding portion 132 is located on a side of the mounting portion 131 away from the elastic sheet, the protruding portion 132 can penetrate through an outer wall surface of the assembly cavity, and when an external force is applied to the protruding portion 132, the protruding portion 132 retracts into the assembly region.

In this embodiment, the sensing unit 1 further includes a jig 14, the sensor 11, the elastic member 12, the contact member 13 is installed on the jig 14, specifically, the jig 14 is provided with a slot 141 for assembling the sensor 11, the upper end of the installation portion 131 is rotatably connected with the jig 14 through the rotating shaft 15, a rotating shaft groove 142 for rotatably connecting the rotating shaft 15 is provided on the jig 14, the lower end of the installation portion 131 corresponds to the movable end 122 of the elastic piece, the contact member 13 presses the movable end 122 under the action of external force, so that the movable end 122 is in contact with the trigger end 111, the contact member 13 returns to the original position under the action of the elastic force of the movable end 122 when not receiving external force, and meanwhile, the movable end 122 is far away from the trigger end 111 and is not in contact with the trigger.

It should be noted that, the sensing unit 1 may not include the contact element 13, and whether the elastic element 12 is in contact with the trigger end 111 of the sensor can be directly realized by applying external force to the elastic element 12, at least a part of the elastic element 12 is exposed in the cavity at this time, when the dust collection cup body is assembled and disassembled, the elastic element 12 inevitably rubs against the dust collection cup body, which affects the elasticity and stability of the elastic element 12 and further affects the service life of the elastic element 12, so that the contact element 13 can protect the elastic element 12 to a certain extent, and the sensing unit 1 has a longer service life.

The control unit 2 comprises an information module and a main control module, the information module is used for receiving and processing signals sent by the sensing unit 1, the information module transmits the processed data to the main control module, and the main control module controls the motor to be started and sends instructions to the warning unit 3 according to the received data, so that the warning unit 3 sends warning information to remind a user of assembling the dust collecting cup body.

The warning unit 3 is a device capable of sending one or more kinds of prompting information such as light, sound, characters, images and the like to a user, and the warning unit 3 can be one or more kinds of indicator lights, sounds, voice prompters, display screens and the like. In this embodiment, the warning unit 3 is a display screen, the display screen is connected to the control unit 2, and when the display screen receives an instruction from the control unit 2, prompt information, such as text of "needing to assemble the dust cup body" and image of the red dust cup body, is displayed on the display screen.

One sensing unit 1 may be provided in the power-on detection device, or more than two (including two) sensing units 1 may be provided.

When the number N of the sensing units 1 is 1, the main function of the sensing units is to detect whether the dust collection cup body is assembled in the accommodating cavity, at the moment, the starting detection device is mainly used for a dust removal instrument with the dust collection cup body being simple to assemble and small in size, and the dust collection cup body can be ensured to be assembled correctly after being assembled in the accommodating cavity;

when sensing unit 1's quantity N is greater than or equal to 2, it not only can detect the dirt cup and assemble in holding the chamber, can also detect the dirt cup and assemble in holding the intracavity correctly, and start detection device mainly used dirt cup assembles complicated, the great dust collecting instrument of volume this moment, assembles the dirt cup with the dirt cup and holds the intracavity back, can not ensure whether correctly assemble of dirt cup.

The above-mentioned correct assembly means that the conditions of dislocation, incomplete assembly and the like do not exist between the dust collecting cup body and the containing cavity, and the dust removing effect of the dust removing instrument is not influenced.

Because the dust collection cup body is generally provided with the air inlet and the air outlet, the fluid can be purified, dust, hair and the like in the fluid can be collected in the dust collection cup body, if the dust collection cup body is not correctly assembled in the accommodating cavity, the air inlet and the air outlet of the dust collection cup body can not be aligned to the fluid channel, so that only part of the fluid enters the dust collection cup body, or the fluid does not enter the dust collection cup body, the dust removal effect of a dust removal instrument cannot be achieved, or the dust removal effect is not good, and whether the dust collection cup body is correctly assembled or not can be detected.

When the number N of the sensing units 1 arranged on the starting detection device is more than or equal to 2, the sensing units 1 are respectively used for detecting whether different parts of the dust collection cup body are assembled or not, specifically, the sensing units 1 are arranged at more important assembling points in the accommodating cavity, the sensing units 1 simultaneously transmit detected signals to the control unit 2, the control unit 2 controls whether the motor is started or not according to the received signals and sends corresponding instructions to the warning unit 3, and the warning unit 3 sends corresponding warning information according to the instructions to prompt a user.

In this embodiment, when the start-up detection device provided with two or more sensing units 1 is applied to a dust removal instrument, the following three conditions exist when the dust removal instrument is started up:

case B1: when the dust collection cup body is not assembled in the accommodating cavity, all the sensing units 1 do not detect the dust collection cup body, all the sensing units 1 do not send signals to the control unit 2, the control unit 2 does not receive the signals sent by the sensing units 1, the dust collection cup body is analyzed to be not assembled in the accommodating cavity, the control unit 2 sends an instruction to the warning unit 3, and the warning unit 3 sends warning information that the dust collection cup body is not assembled to remind a user to assemble the dust collection cup body in the accommodating cavity.

Case B2: when the dust collection cup body is not correctly assembled in the accommodating cavity, at least one sensing unit 1 does not detect the dust collection cup body, and at least one sensing unit 1 detects the dust collection cup body, so that only part of the sensing units 1 send signals to the control unit 2, the control unit 2 analyzes that the dust collection cup body is not correctly assembled in the accommodating cavity after receiving the signals of the part of the sensing units 1, the control unit 2 sends an instruction to the warning unit 3, and the warning unit 3 sends warning information that the dust collection cup body is not correctly assembled so as to remind a user to adjust the position of the dust collection cup body in the accommodating cavity.

Case B3: when the dust collection cup body is correctly assembled in the accommodating cavity, all the sensing units 1 detect the dust collection cup body, all the sensing units 1 send signals to the control unit 2, the control unit 2 receives the signals sent by all the sensing units 1, the correct assembly of the dust collection cup body in the accommodating cavity is analyzed, the control unit 2 controls the motor to be started, and the dust removal instrument starts dust removal.

It should be noted that, by numbering the plurality of sensing units 1, the control unit 2 can further analyze which specific position of the dust collection cup body is not correctly installed in the above B2 cases, and send an instruction to the warning unit 3, the warning unit 3 can further remind a user of which position of the dust collection cup body is not correctly assembled, so as to remind the user of emphasized adjustment, save the adjustment time of the user, improve the use comfort of the user, and make the start-up detection device more intelligent and accurate.

The start-up detection device of the dust removing instrument provided by the embodiment at least has one of the following beneficial effects:

(1) by arranging the sensing unit, the control unit and the warning unit, whether the dust collecting cup body is assembled or not can be detected when the dust collecting cup body is started, and the motor is prevented from being started under the condition that the dust collecting cup body is not assembled, so that the power consumption is avoided, the time and physical strength of a user are wasted, and a large amount of dust can be prevented from entering components such as the motor and an air exhaust assembly of a dust removing instrument, so that the dust removing efficiency of the dust removing instrument is reduced and the service life of the dust removing instrument is prolonged;

(2) by arranging the plurality of sensing units, whether the dust collection cup body is assembled correctly can be detected, the motor is prevented from being started under the condition that the dust collection cup body is not assembled correctly, and the dust collection instrument can be ensured to exert normal dust collection effect;

(3) the sensor of the sensing unit adopts a contact sensor, so that the accuracy and the stability of the sensing unit can be effectively improved;

(4) the bellying of contact can pass the assembly and hold the outer wall of chamber, and under the extrusion of collection dirt cup, the bellying retracts in sensing unit's the assembly area, and makes the expansion end of elastic component and the trigger end of sensor contact, and the sensor generates the signal, and so sensing unit neither influences the assembly of collection dirt cup, can in time detect out again whether the assembly of collection dirt cup, and detection mode is simple, accurate, swift.

Example two

The present embodiment provides a vacuum cleaner, as shown in fig. 3-7, comprising a power-on detection device of a dust removing apparatus, a dust collecting cup body 4 and a housing main body provided in the first embodiment.

The shell body is provided with an assembly accommodating cavity 5 for assembling the dust collecting cup body 4, and the assembly accommodating cavity 5 is matched with the dust collecting cup body 4 in shape. In the present embodiment, the assembly receptacle 5 is located in the middle of the housing body.

The sensing unit 1, the control unit 2 and the warning unit 3 of the startup detection device are respectively connected with a power supply unit of the dust collector, and the power supply unit provides required electric energy for the startup detection device. In this embodiment, the power switch 6 of the power supply unit is provided on the top end surface of the housing main body.

The control unit 2 is arranged in the shell body, the control unit 2 is connected with a motor of the dust collector, and the control unit 2 controls the opening of the motor.

In this embodiment, the warning unit 3 is a display screen, is disposed on the top end surface of the housing body, and is located in front of the power switch 6, and the display screen and the power switch 6 are located at the rear portion of the housing body, so that a user can conveniently view information on the display screen.

The sensing unit 1 is embedded on the chamber wall of the assembly chamber 5 so that the sensing unit 1 can detect whether the dust collection cup body is assembled.

In this embodiment, the mounting bracket 14, the sensor 11, the spring plate, and the mounting portion 131 of the contact 13 are located inside the housing main body, and the protruding portion 132 of the contact 13 can pass through the cavity wall of the mounting cavity 5 and protrude from the cavity wall. When the dust collection cup body 4 is assembled in the assembly cavity 5, the dust collection cup body 4 presses the projection 132, the projection 132 presses the movable end 122 of the elastic sheet, the movable end 122 is contacted with the trigger end 111, and the outer end surface of the projection 132 is flush with the outer wall surface of the cavity; when the dust collection cup body 4 is not assembled in the assembly cavity 5, the protrusion 132 passes through the cavity wall under the elastic force of the elastic sheet and protrudes from the cavity wall, that is, the outer end face of the protrusion 132 is located in the cavity and exceeds the outer wall surface of the cavity, and at this time, the movable end 122 does not contact with the movable end 122.

The suction pipe 7 of the vacuum cleaner is located in the front of the housing main body and is communicated with the assembly cavity 5, the cavity wall located on both sides of the air outlet 71 of the suction pipe 7 is called a front wall 51, the cavity wall located above the air outlet 71 is called a top wall 52, the cavity wall located at the bottom of the assembly cavity 5 is called a bottom wall 53, and the cavity wall opposite to the front wall is a rear wall.

When the number N of the sensing units 1 is 1, in the present embodiment, the sensing units 1 are embedded at the front wall 51, and specifically, the protruding portions 132 can protrude out of the front wall 51.

When the number N of the sensing units 1 is greater than or equal to 2, the sensing units 1 may be embedded in the front wall 51, the rear wall, and the bottom wall 53, and specifically, the protrusions 132 may protrude from the front wall 51, the rear wall, and the bottom wall 53.

In practical application, the installation position of the sensing units 1 is selected according to the specific shape of the dust collection cup body 4 and the number of the sensing units 1.

When the number N of the sensing units 1 is 1, the start-up detection principle of the dust collector is as follows: when the power switch 6 is triggered to start the dust collector, if the dust collection cup body 4 is placed in the assembly cavity 5, the outer wall of the dust collection cup body 4 presses the boss 132 of the contact element 3, the outer end face of the boss 132 is flush with the outer wall face of the cavity, the mounting part 131 of the contact element 13 presses the movable end 122 of the elastic sheet to be in contact with the trigger end 111, the sensor 11 sends a signal to the control unit 2, and the control unit 2 receives the signal and controls the motor to be started, so that the dust collector enters a working state from a standby state; if the dust collection cup body 4 is not arranged in the assembly accommodating cavity 5, the protrusion 132 of the contact element 3 is arranged in the dust collection cup accommodating cavity under the action of the elastic sheet, the movable end 122 is not in contact with the trigger end 111, the sensor 11 does not send a signal to the control unit 2, the control unit 2 does not drive the motor to be turned on, however, the control unit 2 sends an instruction to the display screen, so that the display screen displays an image or characters for assembling the dust collection cup body according to the instruction, and a user is reminded to assemble the dust collection cup body 4 in the assembly accommodating cavity 5.

When the number N of the sensing units 1 is more than or equal to 2, the starting detection principle of the dust collector is as follows: when the power switch 6 is triggered to start the dust collector, if the dust collection cup body 4 is correctly assembled in the assembly cavity 5, the outer wall of the dust collection cup body 4 is extruded towards the convex parts 132 of all the contact elements 13, the outer end surface of the convex part 132 is flush with the outer wall surface of the cavity, the mounting part 131 of the contact element 13 presses the movable end 122 of the elastic sheet to be contacted with the trigger end 111 of the elastic sheet, all the sensors 11 send signals to the control unit 2, and the control unit 2 receives the signals to control the motor to be started, so that the dust collector enters a working state from a standby state; if the dust collection cup body 4 is not correctly assembled in the assembly cavity 5, the outer wall surface of the dust collection cup body 4 can only squeeze the boss 132 of a part of the contact piece 13, and the outer end surface of the boss 132 is flush with the outer wall surface of the cavity, the mounting part 131 of the contact piece 13 presses the movable end 122 of the elastic piece to be contacted with the trigger end 111 of the elastic piece, only a part of the sensor 11 sends a signal to the control unit 2, the control unit 2 does not drive the motor to be started after receiving the signal of the part of the sensor, but the control unit 2 sends an instruction to the display screen, so that the display screen displays and adjusts the image or the character of the dust collection cup body according to the instruction, and a user is reminded to adjust the position of; if the dust collection cup body 4 is not assembled in the assembly accommodating cavity 5, all the contact members 3 are under the action of the elastic pieces, the protruding parts 132 of the contact members are arranged in the dust collection cup accommodating cavity, the movable ends 122 are not in contact with the trigger ends 111, all the sensors 11 do not send signals to the control unit 2, the control unit 2 does not drive the motor to be started, however, the control unit 2 sends an instruction to the display screen, so that the display screen displays images or characters for assembling the dust collection cup body according to the instruction, and a user is reminded to assemble the dust collection cup body 4 in the assembly accommodating cavity 5.

It should be noted that in the present embodiment, the movable end 122 is only in contact with the trigger end 111 when the outer end surface of the protruding portion 132 is flush with the outer wall surface of the receiving cavity, and if the protruding portion 132 is only partially retracted into the mounting region, the movable end 122 is not in contact with the trigger end 111, which is configured to ensure that the sensor 11 generates a signal when the outer wall of the dust cup body is completely attached to the outer wall of the receiving cavity (i.e. the dust cup body is correctly mounted).

Compared with the prior art, the beneficial effects of the dust collector provided by the embodiment are basically the same as those of the start-up detection device of the dust removing instrument provided by the first embodiment, and are not repeated here.

EXAMPLE III

The embodiment provides a method for detecting the start-up of a dust collector, which is used for detecting the start-up of the dust collector provided by the second embodiment and comprises the following steps:

the method comprises the following steps: turning on a power switch 6 of the dust collector;

step two: the sensing unit 1 detects whether the dust collection cup body exists or not and sends a generated signal to the control unit 2;

specifically, the sensing unit 1 detects the dust collection cup 4, generates a signal to transmit to the control unit 2 if the dust collection cup 4 is detected, and does not transmit the signal to the control unit 2 if the dust collection cup 4 is not detected;

step three: the control unit 2 controls whether the motor is started and whether an instruction is sent to the warning unit 3 according to the signal transmitted by the sensing unit 1.

Specifically, in a preset time, if the number of the signals received by the control unit 2 is equal to the number of the sensing units 1, the control unit 2 starts the motor to enable the dust collector to enter a working state;

if the number of the signals received by the control unit 2 is less than that of the sensing units 1 and the number of the signals is more than or equal to 1, the control unit 2 sends an instruction to the warning unit 3, so that the warning unit 3 sends warning information that the dust collection cup body is not correctly assembled in the assembly cavity;

if the control unit 2 does not receive the signal, the control unit 2 sends an instruction to the warning unit 3, so that the warning unit 3 sends a warning message that the dust collection cup body is not assembled in the assembly accommodating cavity.

The predetermined time is not less than the shortest time required for all the sensor units 1 to detect the dust collection cup 4 and not more than the longest time required for all the sensor units 1 to detect the dust collection cup 4.

Compared with the prior art, the beneficial effects of the dust collector startup detection method provided by the embodiment are the same as those of the dust collector provided by the second embodiment, and are not repeated here.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (14)

1. A starting detection device of a dust removing instrument is characterized by comprising a sensing unit (1), a control unit (2) and a warning unit (3);

the sensing unit (1) is used for detecting whether the dust removal instrument is assembled with the dust collection cup body or not and transmitting a generated signal to the control unit (2);

the control unit (2) controls whether a motor of the dust removal instrument is started or not according to the signal transmitted by the sensing unit (1), and the control unit (2) can send an instruction to the warning unit (3);

the warning unit (3) sends out warning information according to the instruction of the control unit (2).

2. The device for detecting the start-up of a dusting instrument according to claim 1, characterized in that the sensor unit (1) comprises a sensor (11), the sensor (11) being connected to the control unit (2) and transmitting the generated signal to the control unit (2).

3. The power-on detection device of a dust removing apparatus according to claim 2, wherein the sensor (11) is a contact sensor.

4. A start-up detection device of a dust removing apparatus according to claim 3, wherein the sensing unit (1) further comprises an elastic member (12);

the sensor (11) is provided with a trigger end (111);

the elastic piece (12) can be contacted with the triggering end (111) under the action of external force.

5. The startup detection device of the dust removing apparatus according to claim 4, wherein the elastic member (12) is a spring, the spring includes a fixed end (121) and a movable end (122), the fixed end (121) is connected to the sensor (11), and the movable end (122) is opposite to the trigger end (111).

6. The power-on detection device of a dusting instrument according to claim 4, characterized in that the sensing unit (1) further comprises a contact (13);

the elastic piece (12) is located between the sensor (11) and the contact piece (13), and the contact piece (13) can press the elastic piece (12) under the action of external force, so that the elastic piece (12) or the contact piece (13) can be in contact with the trigger end (111).

7. The power-on detection device of the dust removing apparatus according to claim 6, wherein the contact member (13) comprises a mounting portion (131) and a protrusion portion (132), and the protrusion portion (132) is located on a side of the mounting portion (131) away from the elastic member (12).

8. The startup detection device of the dust removal instrument according to claim 1, wherein the warning unit (3) is capable of emitting one or more prompt messages of light, sound, text and image.

9. The startup detection device of a dust removing apparatus according to any one of claims 1 to 8, wherein the number N of the sensing units (1) is greater than or equal to 1.

10. A vacuum cleaner, characterized in that it comprises the device for detecting the start-up of a dusting apparatus as claimed in any one of claims 1 to 9, a dirt cup (4) and a housing body.

11. Vacuum cleaner according to claim 10, characterized in that the housing body is provided with a mounting receptacle (5) for mounting the dirt cup (4);

the sensing unit (1), the control unit (2) and the warning unit (3) are respectively connected with a power supply unit of the dust collector.

12. The vacuum cleaner as claimed in claim 11, wherein the warning unit (3) is a display screen and is disposed on the top end surface of the housing body;

the sensing unit (1) is embedded on the cavity wall of the assembly cavity (5).

13. Vacuum cleaner according to claim 12, characterized in that the sensor (11), the elastic element (12) and the mounting portion (131) of the contact element (13) of the sensing unit (1) are located inside the housing body, the protruding portion (132) of the contact element (13) being able to pass through the wall of the fitting cavity (5) and protrude from the wall of the cavity.

14. Vacuum cleaner according to claim 13, wherein when the dirt cup (4) is mounted in the mounting volume (5), the outer end face of the projection (132) is flush with the outer wall face of the mounting volume (5) and the activating end (122) is in contact with the triggering end (111).

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