CN107752900A

CN107752900A - Vacuum cleaner

Info

Publication number: CN107752900A
Application number: CN201610675680.6A
Authority: CN
Inventors: 巴西特·亚历山大·安东尼·丹尼; 张承领
Original assignee: Conta sro
Current assignee: Conta sro
Priority date: 2016-08-16
Filing date: 2016-08-16
Publication date: 2018-03-06
Anticipated expiration: 2036-08-16
Also published as: GB2553013A; CN107752900B; GB2553013B; GB201703156D0

Abstract

A kind of vacuum cleaner, including a upright body part 10, body part 10 is pivotally connected to the head 20 by wheel and ground in its lower end, head 20 is included in the pump orifice 13 of its bottom, the Mixing Brush 14 of rotation is installed in pump orifice 13, motor and fan unit 11 are drawn air into dust catcher by the pump orifice, and travel further into dirt and dust separation unit 12.Rotatable actuator 18 is rotated so as to set height of the pump orifice 13 relative to the floor surface cleaned.In extreme lower position, actuator 18 reduces the energy for being supplied to motor and fan unit 11 and interrupts the rotation of Mixing Brush 24 so as to therefore the energy expenditure reduced for hard floor cleaning simultaneously improves the comprehensive energy efficiency of dust catcher.

Description

Vacuum cleaner

Technical field

The present invention relates to a kind of vacuum cleaner.

Background technology

From in September, 2017, EC regulations require that the power of motor of vacuum cleaner is restricted within 900 watts, and Except others, product labelling will be also incorporated by by considering the annual energy consumption (AE) of dust catcher, it is necessary in product subscript Go out its power consumption level, level range A (optimal)-D (worst).What energy expenditure considered is the dust removal ability of dust catcher (DPU) and the power of motor needed for this DPU is reached.Energy efficiency of vacuum cleaner etc. is determined by standard test procedure Level, the test are to continue to carry out clean operation under power of motor in its maximum, are related to commenting for following a kind of or two class ground DPU Valency：

Carpet

Apertured hard floor

In the case of the usual purpose for being used for the ground of cleaning both the above type in vacuum cleaner, AE energy expenditures Grade institute according to value be the every kind of floor type of cleaning respectively obtained by value 50% sum.Although it must be noted that Test process, which is included under maximum motor power, determines DPU efficiency when cleaning hard floor, the correct characteristic of suction inlet design can Ensure the phase same level that the performance on DPU hard floors is maintained under being set with low-power.

EP2452600 discloses a kind of generally purpose or so-called upright vacuum cleaner, including a upright body Part, body part are pivotally connected to the head by wheel and ground in its lower end, for around a lateral shaft Forwardly and rearwardly part rotates.Either head or body part include a motor and fan unit.Body part includes being used for Separation and the device for collecting the dirt and dust that are drawn into by motor and fan unit in the air in dust catcher.Upright handle quilt The upper end of body is arranged on, for guiding and operating dust catcher.Head is included in the pump orifice of its bottom, passes through this suction Mouthful, air is drawn into dust catcher by fan from the floor surface cleaned.The Mixing Brush of one rotation is placed across pump orifice, So as to impact and inswept floor surface in the air-flow region entered in dust catcher.The Mixing Brush of the rotation or by fan Motor drives or driven by other motors in head.

Up to the present, only control function on upright dust catcher is set according to the type on the floor cleaned Pump orifice relative to floor surface height.This is realized typically by the one wheel pairs for raising or reducing on head, is taken turns The rise or reduction of son are to be realized by exciting turn-button or sliding block to adjust the cam of support wheel.In this manner, take out Suction inlet can be set apart from the height of floor surface by user, and the connection between Mixing Brush and floor can also be by making User sets.Sometimes, when dust catcher body by from its operating position be upwardly into parking place pivot when, wheel be lowered from And the height of pump orifice is lifted, vice versa.

When cleaning hard floor, it is generally desirable to wheel rise is come, so that pump orifice is positioned proximate floor, herein, Air-flow suctions out dust and dirt from floor surface and any floor joint.When cleaning carpet, it is generally desirable to which wheel is dropped Under, so that pump orifice is increased to a position from carpet, herein, the rotation of Mixing Brush will not seriously be hindered by carpet fiber Hinder.Sometimes, multiple different elevated positions can be provided, so that user can be according to the depth of the fiber of the carpet cleaned The height on the head that degree selection matches with it.

The standard test procedure that energy efficiency grade for the vacuum cleaner of usual purpose is based on includes determining DPU efficiency and calculating AE annual energy consumption on above-mentioned two classes ground.

In the case of actual use, the performance for expecting vacuum cleaner is the test being based on its energy efficiency grade Result be consistent.It must also recognize, the setting of the height of head of vacuum cleaner in practical usage situations must be It is adapted to floor type, to reach a level of efficiency suitable with the level of efficiency determined according to test.

The content of the invention

The invention aims to provide a kind of vacuum cleaner of generally purposes, it has for hard floor and gap Good DPU values, the vacuum cleaner can be set repeatedly by user, for cleaning any floor type, with such side Formula, it is uncomplicated, and its DPU value publicized is obtained, so as to avoid the possibility of the charge of the fraud to manufacturer.

There is above-mentioned target, we have been designed that a kind of improved vacuum cleaner now.

According to the present invention, there is provided a kind of vacuum cleaner, it includes a upright body part, and body part is in its lower end The head by wheel and ground is pivotally connected to, for around a lateral shaft forwardly and rearwardly partial turn, head Portion is included in the pump orifice of its bottom, and dust catcher further comprises a motor and fan unit, its be arranged to rotate fan from Pump orifice by air be drawn into dust catcher and be sent into body part be used to separate and collection is inhaled into dust suction The device of dirt in air and dust in device, and a displaceable actuator, for setting pump orifice relative to clear The height of clean floor surface, wherein, the dislocation of actuator is further selectively as pump orifice is relative to being cleaned The reduction of the height of floor surface and reduce the rotary speed of motor-driven fan, vice versa.

As described above, reduce pump orifice and obtain the best effects of hard floor cleaning, conversely, lifting pump orifice and obtaining ground The best effects of blanket cleaning.Nevertheless, hard floor cleaning in, pump orifice be positioned proximate floor surface so as to compared with Low motor power setting is lower to obtain comparable DPU values.So, because the AE annual energies consumption in hard place board test is DPU and the average specific energy expenditure in hard floor cleaning test product, the comprehensive AE annual energies consumption (energy of dust catcher What amount efficiency grade A to G was based on) and be lowered.The energy when head is lowered is additionally, since automatically to reduce, vice versa, Without doubt, test is under the right conditions, and by reality in a manner of user can set repeatedly in use OK.

During right overhead relative to the height on floor less than presetting height, actuator is displaceable, so as to reduce fan Rotary speed.During right overhead relative to the height on floor higher than presetting height, the rotary speed of fan can be a constant Or it can also change.

Some cleaning in, may for the user preferably right overhead close to ground when, make fan to increase Speed rotates at full speed.So, actuator is displaceable so that headband is entered into one or close to the height that presets Position, here, the rotary speed of motor-driven fan is enlarged.

Preferably, actuator is displaceable between the two positions that the two positions are demarcated as suitable above-mentioned respectively One in two kinds of floor types, so, tester and user can set clear for hard floor and carpet without doubt The position of actuator when clean.

Actuator can be arranged in the indexing of multiple positions or lock bolt so as to define pump orifice relative to floor respectively Highly.

Actuator may include a mechanism, and electronic switch is operated when it is arranged to be lowered right overhead so as to reduce fan Rotary speed, vice versa.

Preferably, the Mixing Brush of rotation, which is mounted, crosses over pump orifice, and actuator is arranged to when pump orifice is relative to clear When the height of clean floor surface is reduced, the rotary speed of Mixing Brush is optionally reduced, vice versa.When performing, hard floor is clear When clean, good DPU is obtained, and does not need Mixing Brush, so, the rotary speed for stopping or reducing Mixing Brush helps to save Energy is saved, therefore improves comprehensive AE annual energies consumption.

In a specific embodiment, Mixing Brush is driven by fan electromotor, the rotary speed of Mixing Brush by cut-out or Mixing Brush is lowered from motor part decoupling.

In another specific embodiment, Mixing Brush can be driven by stirring brush motor, and the rotary speed of Mixing Brush is by cutting It is disconnected or the energy that puts on stirring brush motor will be reduced be lowered.

Seal can surround pump orifice and extend, and allowed airflow into when being lowered right overhead in pump orifice, so improve DPU.Hold Row device can be arranged to, when pump orifice is reduced relative to the height of the floor surface cleaned, optionally reduce seal, Vice versa.

The rotary speed of motor or each motor can be changed by changing the current waveform for the power supply for supplying motor, For example, utilize phase controlling.Although it is possible to which the method for speed can be changed using other, for example change machine winding Configuration.

Brief description of the drawings

Only embodiments of the invention are described by way of example and referring to the drawings, wherein：

Fig. 1 is the schematic diagram looked up from the upright vacuum cleaner according to the present invention；

Fig. 2 is the sectional view along Fig. 1 II-II lines；

Fig. 3 is the schematic side view of the actuator cam of Fig. 1 vacuum cleaner；With

Fig. 4 is the circuit theory diagrams of Fig. 1 vacuum cleaner.

Embodiment

With reference to figure 1-2, a so-called upright vacuum cleaner is shown, it includes a upright body part 10, this Body portion 10 is pivotally connected to the head 20 by wheel and ground in its lower end, for around a lateral shaft A to Preceding and rearward portion rotates.Body part 10 includes motor and fan unit 11 and separator 12, electric for separating and collecting Machine and fan unit 11 are drawn into dirt and dust in the air in dust catcher.Upright handle (not shown) is arranged on body 10 upper end, for guiding and operating dust catcher.

Head 20 is included in the elongated pump orifice 13 extended laterally of its bottom, electric by this pump orifice, air Machine and fan unit 11 are drawn into dust catcher from the floor surface cleaned.The Mixing Brush 14 of one rotation is placed across suction Mouthful, the axle around a Longitudinal extending rotates.The Mixing Brush 14 of rotation stirs brush motor (not shown) by the DC in head 20 Driving.One hangings seals 21 extend along the relative both sides of pump orifice and both ends.

Rotary actuator 18 is arranged on first 20 upper surface.Actuator 18 surrounds a vertical axis rotation cam 17. Refer to the attached drawing 3, cam 17 are included in the main body that its upper end has the amplification of radially projecting shoulder.It is convex that ramped shaped is defined on the downside of shoulder Wheel surface, its profile are used to provide a series of cam position P1-P4.Position P2-P4 is configured as moving closer under cam 17 End, moreover, position P2 is positioned as the lower end even farther away from cam 17 than position P1.

First 20 are supported on floor surface by a pair of front-wheels 15 and a pair of rear wheels 16.Front-wheel 15 is installed in front chassis 24 On, portion is pivotally connected to the end 20 to front chassis 24 behind.Cam-follower 19 upwardly extends from front chassis 24, and rests on convex On the contour surface of wheel 17.Preferably, when actuator 18 is rotated in a clockwise direction, the wheel 15 on front chassis 24 is then Pushed down on by cam-follower 19, therefore when cam-follower 19 is moved to position P4 from position P2, gradually lifting suction Mouthfuls 13 relative to floor surface height.Similarly, when actuator 18 is rotated in a counterclockwise direction, the wheel on front chassis 24 15 are then pushed down on by cam-follower 19, and therefore, the height of pump orifice 13 is slightly lifted from position P2.

Refer to the attached drawing 4, power firestreak L, neutral conductor N extend from the plug of dust catcher (not shown), and plug is arranged to It is inserted into a power outlet.Switch S 1 includes the first terminal for being connected to live wire L, and Second terminal.Switch the first of S 1 Optionally it can be closed and be opened so as to start and turn off dust catcher with Second terminal.The electricity of motor and fan unit 11 Machine 31 is connected between switch S 1 Second terminal and neutral conductor N by speed control circuit 30.

Second switch S2 includes the first terminal for being connected to first switch S 1 Second terminal, and Second terminal.Second opens Close the third and fourth terminal that S2 also includes being connected to speed control circuit 30.Second switch S2 the first and second terminals can To be optionally closed and be opened.Second switch S2 the third and fourth terminal can also optionally be closed simultaneously and It is opened.Direct current stirring motor 33 by power rectifier circuit 32 be connected switch S2 Second terminal and neutral conductor N it Between.

Cam 17 includes a radially projecting mechanism 22, and when cam 17 is rolled over position P2, mechanism 22 opens Close S2, when cam 17 is in position P1, P3, P4, the closing switch S2 of mechanism 22.It is worth noting that：When cam 17 is in position P2 When, first 20 be the minimum position relative to floor at it.In this position, switch S2 is to open, therefore, once switch S 1 closes, not power supply supply direct current stirring brush motor 33.In addition, switch S2 configuration speeds control circuit 30, to motor and wind The motor 31 for fanning unit 11 applies the electric current reduced.When cam 17 is rolled in position P1, P3 and P4 any one, S2 is Close, so, direct current is applied to by power rectifier circuit 32 without power supply and stirs brush motor 33.In addition, switch S2 configurations Speed control circuit 30, whole electric currents are applied to the motor 31 of motor and fan unit 11.

Following characteristics can be obtained by simply rotary actuator 18：

Position	Fan electromotor energy	Stirring motor	Pump orifice	Pattern
					P1	Entirely	Connect	It is lowered	It is not specific
P2	Subtract	Disconnect	It is fully lowered	Hard floor
					P3	Entirely	Connect	Rise	Chopped fiber carpet
P4	Entirely	Connect	It is completely raised	Long fibre carpet

Upper table clearly illustrates that the position P2 of actuator 18 cleans for hard floor, and position P3 and P4 clean for carpet. P1 allows when pump orifice 13 is lowered using the not specific cleaning of Mixing Brush 14.

As can be seen from the above table, hard floor cleaning is carried out when pump orifice 13 is lowered, and carpet cleaning is Carried out when pump orifice 13 is elevated.When hard floor cleans, pump orifice 13 is positioned near floor surface, so as to Comparable DPU values can be obtained in the case where relatively low power of motor is set.In addition, the stirring quilt when cleaning hard floor of brush motor 33 Interrupt power supply.Therefore, because in the test of hard floor AE annual energies consumption be DPU and hard floor clean test process in Average specific energy expenditure product, comprehensive AE annual energies consumption (the energy efficiency grade A to G of dust catcher is based on) Therefore it is lowered due to the fan electromotor energy of reduction and the stopping of stirring brush motor 33.It is additionally, since when head is lowered Shi Nengliang reduces automatically, and vice versa, and without doubt, test is carried out under the right conditions, and is made with user The mode that can be set repeatedly during is implemented.

It is high according to the vacuum cleaner energy efficiency of the present invention, there is provided to be respectively adapted to hard floor or the optimization energy of carpet cleaning Horizontal easy setting is measured, and definitely meets the energy efficiency grade of its mark.

Claims

1. a kind of vacuum cleaner, it includes a upright body part, and body part is pivotally connected in its lower end to be passed through The head of wheel and ground, for forwardly and rearwardly partial turn, head to be included in its bottom around a lateral shaft Pump orifice, dust catcher further comprise a fan and motor, and it is arranged to rotation fan and is drawn into air from pump orifice In dust catcher and be sent into body part be used to separate and collect the dirt that is inhaled into the air in dust catcher and The device of dust, and a displaceable actuator, for setting height of the pump orifice relative to the floor surface cleaned, its In, the dislocation of actuator further selectively with pump orifice the height relative to the floor surface cleaned reduction and Reduce the rotary speed of motor-driven fan, vice versa.

2. a kind of vacuum cleaner according to claim 1, wherein, it is less than relative to the height on floor preset right overhead During height, actuator is displaced from, to reduce the rotary speed of fan.

3. a kind of vacuum cleaner according to claim 2, wherein, it is higher than relative to the height on floor preset right overhead During height, actuator is displaced from, to increase the rotary speed of fan.

4. a kind of vacuum cleaner according to claim 3, wherein, it is increased above right overhead relative to the height on floor pre- During first setting height, the rotary speed of fan is a constant.

5. a kind of vacuum cleaner according to claim 3, wherein, the height relative to floor is from presetting height right overhead When degree starts increase, the rotary speed increase of fan.

6. a kind of vacuum cleaner according to claim 1, wherein, actuator is displaced from, so as to by headband enter one Or close to the position for presetting height, here, the rotary speed of fan is enlarged.

7. a kind of vacuum cleaner according to claim 1, wherein, actuator be it is displaceable between the two positions, The two positions are demarcated as a floor type being adapted in hard floor and carpet respectively.

8. a kind of vacuum cleaner according to claim 1, wherein, actuator is arranged to indexing or lock bolt multiple Position so that define height of the pump orifice relative to floor respectively.

9. a kind of vacuum cleaner according to claim 1, wherein, the Mixing Brush of rotation, which is mounted, crosses over pump orifice, holds Row device is arranged to, when pump orifice is reduced relative to the height of the floor surface cleaned, optionally reduce the rotation of Mixing Brush Rotary speed, vice versa.

10. a kind of vacuum cleaner according to claim 9, wherein, the rotary speed of Mixing Brush is reduced to zero.

11. a kind of vacuum cleaner according to claim 9, wherein, Mixing Brush is driven by fan electromotor, the rotation of Mixing Brush Rotary speed is decoupled to be lowered by cut-out or by Mixing Brush from motor part.

12. a kind of vacuum cleaner according to claim 9, wherein, Mixing Brush is driven by stirring brush motor, Mixing Brush Rotary speed is lowered by cut-out or by the energy for putting on stirring brush motor is reduced.

13. a kind of vacuum cleaner according to claim 1, wherein, seal extends around pump orifice.

14. a kind of vacuum cleaner according to claim 13, wherein, actuator is arranged to when pump orifice is relative to quilt When the height of the floor surface of cleaning is reduced, seal is optionally reduced, vice versa.

15. a kind of vacuum cleaner according to claim 1, wherein, the rotary speed of motor supplies motor by changing Power supply current waveform and be changed.

16. a kind of vacuum cleaner according to claim 1, wherein, actuator includes a mechanism, and it is arranged to work as Electronic switch is operated when head is lowered so as to reduce the rotary speed of fan, vice versa.

17. a kind of vacuum cleaner according to claim 9, wherein, actuator includes a mechanism, and it is arranged to work as Electronic switch is operated when head is lowered so as to reduce the rotary speed of fan and Mixing Brush, vice versa.

18. a kind of vacuum cleaner according to claim 1, wherein, actuator includes ramped shaped cam face, and it is set Put at least one support wheel of head.