CN102409631A - Sweeper capable of automatically adjusting height of sweeping brush - Google Patents
Sweeper capable of automatically adjusting height of sweeping brush Download PDFInfo
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- CN102409631A CN102409631A CN2010102917375A CN201010291737A CN102409631A CN 102409631 A CN102409631 A CN 102409631A CN 2010102917375 A CN2010102917375 A CN 2010102917375A CN 201010291737 A CN201010291737 A CN 201010291737A CN 102409631 A CN102409631 A CN 102409631A
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- 241001417527 Pempheridae Species 0.000 title claims abstract description 53
- 238000010408 sweeping Methods 0.000 title abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000006698 induction Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 description 16
- 238000004140 cleaning Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention discloses a sweeper capable of automatically adjusting height of a sweeping brush. The sweeper comprises a frame, a battery pack, a sweeping brush motor with a sweeping brush, an air extractor, a garbage collection box, a filtering dust collection box provided with a dust collection filter element, a reciprocating driving device, a central control unit and a current sensor, wherein the sweeping brush is connected with the frame through a lifting device; a fixing part of the reciprocating driving device is connected with the frame; a reciprocating part of the reciprocating driving device is connected with the lifting device for fixing the sweeping brush motor; a signal induction device of the current sensor is connected with a power supply circuit of the sweeping brush motor; a signal output end of the current sensor is connected with the central control unit; the central control unit is connected with a reciprocating driving control module of the reciprocating driving device; the central control unit analyzes current input from the signal output end of the current sensor; and the reciprocating driving control module drives the reciprocating part to make corresponding pull-and-push action according to the analysis result so as to adjust the lifting device to move up and down.
Description
Technical field
The present invention relates to a kind of floor cleaning equipment, refer to a kind of sweeper that can adjust the sweep brush height automatically that can regulate the sweep brush height based on pavement behavior automatically especially.
Background technology
Sweeper is the device that a kind of sweep brush that rotation is set on the vehicle frame that can control motion cleans ground, is example with the sweeper that uses morely on the market, and 3 sweep brush are installed on vehicle frame usually: the main brush that limit brush that preposition two axis of rotation are perpendicular to the ground and mid-axis of rotation are parallel to the ground; The axis of rotation of main brush all is located on the hinged lifting gear of sweeper frame downside and frame with the motor of limit brush, through adjusting height that this lifting gear the goes up and down sweep brush that can go up and down, adjusts lifting gear and the sweep brush reduction is contacted just with ground can carry out cleaning work; Because sweeper works in multiple occasion usually, the ground friction coefficient is often different, when pavement behavior such as friction factor or road surface have when rough and uneven in surface; Relative pressure between sweep brush and the ground and relative friction forces all can change, and the too small meeting of frictional force causes cleaning unclean, and frictional force is excessive; Then can cause power of motor too high, consumes energy not only, and can shorten life-span of motor and hairbrush; Particularly cause the hairbrush rapid wear, cause use cost to be multiplied, when pressure is excessive, also can cause reentrainment of dust in addition; The thorough cleaning that is unfavorable for ground, so sweep brush should remain on certain frictional force scope with ground, pressure is highly determined by the default reduction of lifting gear between sweep brush and the ground; The arrangement for adjusting height that the sweep brush of existing sweeper uses just is reduced to predetermined height and position place with sweep brush, and will under the shutdown situation, operate, and not only reduces operating efficiency; And because frictional resistance can not accurately be measured between sweep brush and the road surface, therefore regulate difficulty and poor for applicability, can wear and tear constantly in the course of work owing to sweep brush in addition; For reaching satisfied cleaning effect, need ceaselessly adjust the working depth that the toggle angle reduces sweep brush, when end brush may wear to when scrapping degree; The sweep brush that need more renew; At this moment for to reduce unnecessary wearing and tearing, must readjust the height between sweep brush and the ground, the too small result of use that is difficult to reach the best of pressure; Pressure is excessive to be the wearing and tearing that increase sweep brush equally; Produce reentrainment of dust influence cleaning effect, cause the process of manipulating loaded down with trivial details, and need the operator to have higher operative skill and experience; Cause customer using cost to rise, hinder sweeper and apply wider.
Summary of the invention
Technical purpose of the present invention is in order to provide a kind of can sweeping the floor to possess the sweeper that can adjust the sweep brush height automatically of dust-absorbing function simultaneously again.
To achieve these goals, this Floor-sweeping device of the present invention adopts following technical scheme, and at first sweeper comprises and is provided with vehicle frame, the battery pack that is used to supply power of driving control system, is located at sweep brush motor, the air exhauster, the garbage collection box that are connected with the filtration disposal box that including on the vehicle frame have sweep brush and is provided with the filtration disposal box that control of dust is crossed filter core; But the sweep brush motor of sweeper is connected with frame through the lifting gear that easy on and off moves, and the sweep brush motor is connected with the sweeper controller of this sweeper, as the improvement of present technique scheme; The sweeper of automatic adjustment sweep brush height of the present invention also comprises reciprocating drive unit, central control unit and current sensor; Reciprocating drive unit has the reciprocating motion portion that fixed part, relative fixed portion can do reciprocating linear motion, and controls the reciprocal drive control module that reciprocal drive division is done reciprocating action, and fixed part is connected with frame; Reciprocating motion portion is connected with the fixing lifting gear of sweep brush motor; The current sensor signal induction installation is connected with the power supply circuits of sweep brush motor, and the current sensor signal output is connected with central control unit, and central control unit is connected with the reciprocal drive control module of reciprocal drive division; This central control unit is analyzed the electric current of current sensor signal output input; And reciprocal drive control module is sent movement instruction according to analysis result, back and forth drive control module is according to the movement instruction that is received, and drives reciprocating motion portion and makes corresponding push pull maneuver and spur said lifting gear and move up and down; Central control unit generally includes holder and programmer; The recommended current of a preset sweeper motor in central control unit, i.e. predetermined current is when the friction factor on the road surface that sweep brush contacted of sweeper changes; If surface friction coefficient increases; Or there is convexity on ground and when causing pressure between sweep brush and the kiss the earth to increase, the also corresponding increase of resistance that receives of sweep brush at this moment, at this moment; Keep the power of the sweep brush motor of constant commentaries on classics degree also to increase thereupon; At this moment, current sensor inputs to central control unit with the electric current of the sweep brush motor that obtains, after central control unit and predetermined current compare; Send the instruction of the reciprocal drive division of pull-up reciprocating drive unit to the reciprocal drive control module of reciprocating drive unit; Back and forth drive division is done corresponding motion and is upwards spurred the lifting gear motion, reduces the frictional force between sweep brush and the ground to mention sweep brush, the also corresponding reduction of operating power of the sweeper motor of constant speed rotation; The electric current of sweep brush motor reduces, and to the last the size of current in this sweep brush motor is identical with predetermined current; Otherwise if surface friction coefficient reduces, or there is depression on ground and when causing pressure between sweep brush and the kiss the earth to reduce; At this moment also corresponding the reducing of resistance that receive of sweep brush at this moment, keeps the power of the sweep brush motor of constant commentaries on classics degree also to diminish thereupon; At this moment, current sensor inputs to central control unit with the electric current of the sweep brush motor that obtains, after central control unit and predetermined current compare; Reciprocal drive control module to reciprocating drive unit sends the instruction of releasing the reciprocal drive division of reciprocating drive unit; Back and forth drive division is done corresponding motion and is upwards spurred the lifting gear motion, to reduce sweep brush, the frictional force between sweep brush and the ground is increased; The also corresponding increase of operating power of the sweeper motor of constant speed rotation; It is big that the electric current of sweep brush motor becomes, and to the last the size of current in this sweep brush motor is identical with predetermined current, and assurance sweep brush motor is worked under firm power.
Usually; Described reciprocating drive unit is a push-rod electric machine, and the support of this push-rod electric machine is connected with frame, keeps push-rod electric machine can use the common toggle 6 hinged with frame at sweep brush motor 8 lifting gears; One end of this toggle 6 and the frame of sweeper are fixed; Between the lifting gear of push-rod electric machine and sweep brush motor, adopt the connected mode of wire rope or connecting rod, have suitable degree of freedom between the push rod of maintenance push-rod electric machine and the lifting gear, to guarantee the normal of push-rod electric machine; This push-rod electric machine of working is connected with central control unit through the control signal cable; Said central control unit then uses PLC (Programmable logic Controller; Programmable logic controller (PLC)); The current sensor signal output is connected with the analog quantity input AD input module of this PLC, and this PLC output module is connected with the reciprocal drive control module of reciprocal drive division.
The beneficial effect that the present invention can adjust the sweeper of sweep brush height automatically is, having overcome existing sweeper can not adopt technique scheme according to the frictional force size between sweep brush and the ground at any time to the mediate shortcoming of pressure of sweep brush height; When sweeper in uneven zone or the inconsistent ground of pavement behavior when carrying out cleaning work; When pavement behavior changed, the frictional force between sweep brush and the ground and then can change, because the sweep brush of sweeper adopts the powered by direct current of constant voltage; And it is constant that rotating speed also keeps; Therefore corresponding variation can take place in the electric current of sweep brush motor, and central control unit can drive reciprocating drive unit and move accordingly according to the feedback information of current sensor; To raise or to reduce lifting gear with the height between adjustment sweep brush and the ground; Realize adjusting automatically the purpose of sweep brush and frictional ground force, not only can satisfy the cleaning quality requirement, and can reduce the wearing and tearing of sweep brush bristle.
The sweeper difference with the prior art that the present invention can adjust the sweep brush height automatically is that existing technology is adjusted height between sweep brush and the ground just through various lifting devices according to the stroke of preset lifting or reduction; Sweep brush has only upper limit and two permanent positions of lower limit; Thereby can not adjust pressure between sweep brush when work and the ground, and make between sweep brush and the ground pressure excessive or too small easily, also can cause between sweep brush and the ground pressure excessive during the protrusion of ground; Not only burn motor easily; And excessive pressure can form reentrainment of dust at brush place, the limit of sweep brush, and the cleaning effect of sweeper is descended, even if increase advance in fine setting manually; Also can not directly grasp sweeper current value size because of the operator; Promptly can not grasp frictional force between sweep brush and the ground, therefore adjusted effect is directly perceived inadequately, is difficult to the adjustment effect that reaches good.
For ease of explanation detailed content and the technology relevant, below describe with regard to conjunction with figs. now with the present invention.
Description of drawings
Fig. 1, be the schematic block circuit diagram of sweeper;
Fig. 2, for the sketch map of road sweeper of the present invention;
Fig. 3, be the enlarged drawing of Fig. 2;
Fig. 4, be that the push-rod electric machine of first kind of embodiment is connected sketch map with lifting gear;
Fig. 5, be that the push-rod electric machine of first kind of embodiment is connected sketch map with lifting gear.
The specific embodiment
Class of the present invention is adjusted the sweeper of sweep brush height automatically; Be through on the sweep brush motor lifting gear 2 of existing sweeper; Automatic push-pull device at fixed is set, should connects in central control unit 100 by automatic push-pull device at fixed, on sweep brush motor 8, connect the electric current that current sensor 102 is detected sweep brush motor 8 at any time; And change in current fed back to central control unit 100; Central control unit 100 is controlled automatic push-pull device at fixed and is carried out the height between corresponding action adjustment sweep brush 3 and the ground, thereby reach the purpose of regulating frictional resistance between sweep brush 3 and the ground according to change in current in the sweep brush motor 8.
Please with reference to shown in Figure 1, sweeper is when work, because sweep brush motor 8 is the powered by direct current by 12V usually; And the rotating speed of sweep brush motor 8 remains constantly, and in the case, the output torque of sweep brush motor 8 is T; Rotating speed is n; Electric current is I, and DC voltage is V, then has following equality relation:
T*n＝I*V
Therefore, T=(V/n) * I is because of voltage V and rotation speed n are constant, therefore; Torque T and electric current I are proportional, and on the road surface of same friction, pressure is relevant between torque T size and sweep brush 3 and the ground, when pressure is constant between sweep brush 3 and ground; Torque T is relevant with the friction factor on ground, in any case but, the increase of the electric current I of sweep brush motor 8 or diminish, all provable torque T becomes big or diminishes; At this moment, no matter be that the ground friction coefficient changes, the still change of pressure between sweep brush 3 and the ground all can be through adjusting pressure between sweep brush 3 and the ground; Promptly adjust distance between sweep brush 3 and the ground, keep torque T constant, the present electric current I of final body constant, therefore; Through the electric current of monitoring sweeper motor, adjust height between sweep brush 3 and the ground, finally can be in appropriate scope with Current Control; Sweep brush motor 8 is operated under the preset power, can realizes protecting the purpose of sweep brush motor 8, sweep brush 3 rates of wear are controlled in the proper range.
Please, be a kind of preferred embodiment of the present invention, in the present embodiment with reference to Fig. 2 and shown in Figure 3; At first sweeper comprises and is provided with vehicle frame, the battery pack that is used to supply power of driving control system, is located at sweep brush motor 8, the air exhauster, the garbage collection box that are connected with the filtration disposal box that including on the vehicle frame have sweep brush 3 and is provided with the filtration disposal box that control of dust is crossed filter core; But the sweep brush motor 8 of sweeper is connected with frame through the lifting gear 2 that easy on and off moves, and sweep brush motor 8 is connected with the sweeper controller of this sweeper, as the improvement of present technique scheme; The sweeper of automatic adjustment sweep brush height of the present invention also comprises reciprocating drive unit, central control unit 100 and current sensor 102; Reciprocating drive unit has the reciprocating motion portion that fixed part, relative fixed portion can do reciprocating linear motion, and controls the reciprocal drive control module 105 that reciprocal drive division is done reciprocating action, and fixed part is connected with frame; Reciprocating motion portion is connected with the fixing lifting gear 2 of sweep brush motor 8; Current sensor 102 signal induction devices are connected with the power supply circuits 101 of sweep brush motor 8, and current sensor 102 signal output parts are connected with central control unit 100, and central control unit 100 is connected with the reciprocal drive control module 105 of reciprocal drive division; The electric current of 100 pairs of current sensor 102 signal output parts inputs of this central control unit is analyzed; And reciprocal drive control module 105 is sent movement instructions according to analysis result, back and forth drive control module 105 is according to the movement instruction that is received, and drives reciprocating motion portion and makes corresponding push pull maneuver pulling lifting gear 2 and move up and down; Central control unit 100 generally includes holder and programmer; The recommended current of a preset sweeper motor in central control unit 100, i.e. predetermined current is when the friction factor on the road surface that the sweep brush 3 of sweeper is contacted changes; If surface friction coefficient increases; Or there is convexity on ground and when causing pressure between sweep brush and the kiss the earth to increase, the also corresponding increase of resistance that receives of sweep brush 3 at this moment, at this moment; Keep the power of the sweep brush motor 8 of constant commentaries on classics degree also to increase thereupon; At this moment, current sensor inputs to central control unit 100 with the electric current of the power supply circuits 102 of the sweep brush motor 8 that obtains, after central control unit 100 compares with predetermined current; Send the instruction of the reciprocal drive division of pull-up reciprocating drive unit to the reciprocal drive control module 105 of reciprocating drive unit; Back and forth drive division is done corresponding motion and is upwards spurred the lifting gear motion, reduces the frictional force between sweep brush and the ground to mention sweep brush, the also corresponding reduction of operating power of the sweeper motor of constant speed rotation; The electric current of sweep brush motor 8 reduces, and to the last the size of current in this sweep brush motor 8 is identical with predetermined current; Otherwise if surface friction coefficient reduces, or there is depression on ground and when causing pressure between sweep brush and the kiss the earth to reduce; At this moment also corresponding the reducing of resistance that receive of sweep brush 3 at this moment, keeps the power of the sweep brush motor 8 of constant commentaries on classics degree also to diminish thereupon; At this moment, current sensor inputs to central control unit 100 with the electric current of the power supply circuits 102 of the sweep brush motor 8 that obtains, after central control unit 100 compares with predetermined current; Reciprocal drive control module 105 to reciprocating drive unit sends the instruction of releasing the reciprocal drive division of reciprocating drive unit; Back and forth drive division is done corresponding motion and is upwards spurred the lifting gear motion, to reduce sweep brush, the frictional force between sweep brush 3 and the ground is increased; The also corresponding increase of operating power of the sweeper motor of constant speed rotation; It is big that the electric current of sweep brush motor 8 becomes, and to the last the size of current in this sweep brush motor 8 is identical with predetermined current, and assurance sweep brush motor 8 is worked under firm power.
Further; Described reciprocating drive unit is a push-rod electric machine 9; The support of this push-rod electric machine 9 is connected with frame, push rod 90 terminal and lifting gear 2 flexible connections of push-rod electric machine 9, and this push-rod electric machine 9 is connected with central control unit 100 through the control signal cable; 100 of said central control units use PLC (Programmable logic Controller; Programmable logic controller (PLC)), current sensor 102 signal output parts are connected with the analog quantity input AD input module 103 of this PLC, and this PLC output module 104 is connected with the reciprocal drive control module 105 of reciprocal drive division.
Please with reference to Fig. 4 and shown in Figure 5; Among the present invention; Push-rod electric machine 9 can be fixed on diverse location place on the frame; Keep push-rod electric machine 9 can use the common toggle 6 hinged with frame at sweep brush motor 8 lifting gears 2, an end of this toggle 6 and the frame of sweeper are fixed, and between push-rod electric machine 9 and sweep brush motor 8 lifting gears 2, adopt the connected mode of wire strands 91 or connecting rod 92; Has suitable degree of freedom between the push rod 90 of maintenance push-rod electric machine 9 and the lifting gear 2, to guarantee the operate as normal of push-rod electric machine 9.
The above embodiments only are exemplary, and under such scheme instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in protection scope of the present invention.It will be understood by those skilled in the art that top specific descriptions just in order to explain the object of the invention, are not to be used to limit the present invention.Protection scope of the present invention is limited claim and equivalent thereof.
Claims (3)
1. the sweeper that can adjust the sweep brush height automatically; Comprise and be provided with vehicle frame, the battery pack that is used to supply power of driving control system, be located at sweep brush motor, the air exhauster, the garbage collection box that are connected with the filtration disposal box that including on the vehicle frame have sweep brush and be provided with the filtration disposal box that control of dust is crossed filter core; But the sweep brush motor of sweeper is connected with frame through the lifting gear that easy on and off moves; The sweep brush motor is connected with the sweeper controller of this sweeper; It is characterized in that: this sweeper of adjusting the sweep brush height automatically also comprises reciprocating drive unit, central control unit and current sensor; Reciprocating drive unit has the reciprocating motion portion that fixed part, relative fixed portion can do reciprocating linear motion, and controls the reciprocal drive control module that reciprocal drive division is done reciprocating action, and fixed part is connected with frame; Reciprocating motion portion is connected with the fixing lifting gear of sweep brush motor; The current sensor signal induction installation is connected with the power supply circuits of sweep brush motor, and the current sensor signal output is connected with central control unit, and central control unit is connected with the reciprocal drive control module of reciprocal drive division; This central control unit is analyzed the electric current of current sensor signal output input; And reciprocal drive control module is sent movement instruction according to analysis result, back and forth drive control module is according to the movement instruction that is received, and drives reciprocating motion portion and makes corresponding push pull maneuver pulling lifting gear and move up and down.
2. the sweeper that can adjust the sweep brush height automatically as claimed in claim 1; It is characterized in that: said reciprocating drive unit is a push-rod electric machine; The support of this push-rod electric machine is connected with frame; Keep push-rod electric machine can use the common toggle hinged with frame at sweep brush motor lifting gear, an end of this toggle and the frame of sweeper are fixed, and this push-rod electric machine is connected with central control unit through the control signal cable.
3. the sweeper that can adjust the sweep brush height automatically as claimed in claim 1; It is characterized in that: said central control unit is PLC; The current sensor signal output is connected with the analog quantity input AD input module of this PLC, and this PLC output module is connected with the reciprocal drive control module of reciprocal drive division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010291737.5A CN102409631B (en) | 2010-09-25 | Can automatically adjust the sweeper of height of sweeping brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010291737.5A CN102409631B (en) | 2010-09-25 | Can automatically adjust the sweeper of height of sweeping brush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102409631A true CN102409631A (en) | 2012-04-11 |
| CN102409631B CN102409631B (en) | 2016-12-14 |
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| CN102787576A (en) * | 2012-08-09 | 2012-11-21 | 金华双泰车业有限公司 | Road surface motor sweeper |
| CN105407776A (en) * | 2013-07-23 | 2016-03-16 | 阿尔弗雷德·凯驰两合公司 | Floor cleaning machine and method for adjusting the position of a sweeping roller on a floor cleaning machine |
| CN105951647A (en) * | 2016-05-23 | 2016-09-21 | 安徽海澄德畅电子科技有限公司 | Cleaning operation adjustment and control device for cleaning and dirt washing vehicle |
| CN108378780A (en) * | 2018-02-07 | 2018-08-10 | 广东嘉得力清洁科技股份有限公司 | A kind of sweeper with cleaning function step by step |
| CN109235337A (en) * | 2018-09-19 | 2019-01-18 | 聊城中通新能源汽车装备有限公司 | Electric cleaning car disc brush resistance self-adapted adjustment system and its control method |
| CN109338966A (en) * | 2018-11-23 | 2019-02-15 | 重庆中仁城市环卫服务有限公司 | A kind of municipal administration sanitation cart cleaning systems |
| CN109730588A (en) * | 2019-01-31 | 2019-05-10 | 深圳和而泰智能控制股份有限公司 | Mopping robot |
| CN109916648A (en) * | 2019-03-18 | 2019-06-21 | 北京智行者科技有限公司 | A kind of cleaning brush head wear detecting method and system |
| CN110952488A (en) * | 2019-12-31 | 2020-04-03 | 福建龙马环卫装备股份有限公司 | Automatic sweep set automatic control circuit that adapts to multiple road conditions |
| CN111622164A (en) * | 2020-06-24 | 2020-09-04 | 福州大学 | Adjusting sweeping disc and adjusting method of driving type road sweeper |
| CN111778905A (en) * | 2020-08-07 | 2020-10-16 | 佛山市奥科奇清洁设备科技有限公司 | Dust control main body mechanism of sweeper |
| CN112369969A (en) * | 2020-11-16 | 2021-02-19 | 南京舟前扬商贸有限公司 | Intelligent floor sweeping robot capable of adjusting contact area according to abrasion degree |
| CN113465686A (en) * | 2021-09-02 | 2021-10-01 | 江苏洁路宝环保科技有限公司 | Intelligent detection device of sweeper |
| CN114224252A (en) * | 2016-07-14 | 2022-03-25 | Lg 电子株式会社 | Robot cleaner |
| WO2022088787A1 (en) * | 2020-10-28 | 2022-05-05 | 追觅创新科技(苏州)有限公司 | Obstacle detection method and apparatus for self-moving device |
| CN115349775A (en) * | 2022-09-20 | 2022-11-18 | 杭州景吾智能科技有限公司 | Method and system for real-time adjustment of cleaning track of cleaning robot |
| CN115970362A (en) * | 2023-02-27 | 2023-04-18 | 浙江金安制药机械有限公司 | Full-automatic cleaning type traditional Chinese medicine production filtering device and cleaning method thereof |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787576A (en) * | 2012-08-09 | 2012-11-21 | 金华双泰车业有限公司 | Road surface motor sweeper |
| CN105407776A (en) * | 2013-07-23 | 2016-03-16 | 阿尔弗雷德·凯驰两合公司 | Floor cleaning machine and method for adjusting the position of a sweeping roller on a floor cleaning machine |
| CN105407776B (en) * | 2013-07-23 | 2019-01-01 | 阿尔弗雷德·卡赫欧洲两合公司 | Floor-cleaning machine and method for adjusting positioning of the cleaning roller on floor-cleaning machine |
| CN105951647A (en) * | 2016-05-23 | 2016-09-21 | 安徽海澄德畅电子科技有限公司 | Cleaning operation adjustment and control device for cleaning and dirt washing vehicle |
| CN114224252A (en) * | 2016-07-14 | 2022-03-25 | Lg 电子株式会社 | Robot cleaner |
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Owner name: FOSHAN GEMEI CLEANING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: GUAN JINGWEN Effective date: 20140513 |
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Denomination of invention: Sweeper capable of automatically adjusting height of sweeping brush Effective date of registration: 20180330 Granted publication date: 20161214 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd Pledgor: Foshan Gemei Cleaning Equipment Co., Ltd. Registration number: 2018440000074 |
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Address after: 528000 Guangdong Province Foshan Nanhai District Danzao Town Nanhai National Eco-industrial Demonstration Park Phoenix Avenue 8 Innovation Hardware Industry Co., Ltd. Factory 2 (Residence Declaration) Patentee after: Foshan Gemei Cleaning Equipment Co., Ltd. Address before: No. 45, Chancheng District, Chancheng District, Foshan, Guangdong Patentee before: Foshan Gemei Cleaning Equipment Co., Ltd. |