CN105433874A - Automatic dust removing device - Google Patents
Automatic dust removing device Download PDFInfo
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- CN105433874A CN105433874A CN201510179249.8A CN201510179249A CN105433874A CN 105433874 A CN105433874 A CN 105433874A CN 201510179249 A CN201510179249 A CN 201510179249A CN 105433874 A CN105433874 A CN 105433874A
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Abstract
The invention relates to an automatic dust removing device, and belongs to the technical field of dust removing. The automatic dust removing device comprises a machine body, an anti-falling sensor and a branch wind guide channel, wherein the anti-falling sensor is arranged on the lower portion of the machine body, and the direction of a detection window of the anti-falling sensor is downward; a wind inlet of the branch wind guide channel is formed in the side wall of an exhaust channel of the machine body; a wind outlet of the branch wind guide channel is formed in the position, close to the detection window, of the machine body, and the wind outlet direction of the wind outlet of the branch wind guide channel faces the detection window. By means of the automatic dust removing device, the detection accuracy of the anti-falling sensor can be improved.
Description
Technical field
The disclosure is directed to dedusting technology field, especially about a kind of automatic dust removing apparatus.
Background technology
Along with the development of electronic technology, household electrical appliance are more and more intelligent, more and more automation.Automatic dust removing apparatus (as sweeping robot) is a kind of household electrical appliance be in daily use now, the ability having automatic dust absorption and automatically advance.
Automatic dust removing apparatus is equipped with dust suction parts and moving component (as motor and travel wheel), is controlled dust suction parts and moving component by processor.Automatic dust removing apparatus is generally provided with fall arrest sensor, for detecting the height change on ground, can the steep cliff such as Timeliness coverage step, and can prevent automatic dust removing apparatus from falling in traveling process.The detection window of fall arrest sensor is downward, launches infrared ray downwards, and passes through, to the detection of the infra-red intensity being irradiated to ground, to determine the height on ground.
Realizing in process of the present disclosure, inventor finds at least there is following problem:
In the course of work of automatic dust removing apparatus, the detection window of fall arrest sensor easily covers dust, thus, affect the accuracy in detection of fall arrest sensor.
Summary of the invention
In order to overcome Problems existing in correlation technique, present disclose provides a kind of automatic dust removing apparatus.Described technical scheme is as follows:
There is provided a kind of automatic dust removing apparatus according to disclosure embodiment, described automatic dust removing apparatus comprises fuselage, fall arrest sensor and branch road air-guiding aisle, wherein:
Described fall arrest sensor setting is at described underbelly, and the detection window direction of described fall arrest sensor is downward;
The air intake vent of described branch road air-guiding aisle is arranged on the sidewall of the air exhaust passage of described fuselage;
The air outlet of described branch road air-guiding aisle is arranged on the position of the close described detection window of described fuselage, and the air-out direction of the air outlet of described branch road air-guiding aisle is towards described detection window.
Alternatively, described branch road air-guiding aisle air intake vent towards contrary with the air draft direction of described air exhaust passage.
Alternatively, described branch road air-guiding aisle is provided with electric control valve, the processor in described electric control valve and described fuselage is electrically connected;
Described processor, for controlling the opening and closing of described electric control valve.
Alternatively, described processor, for:
Under described automatic dust removing apparatus duty, control described electric control valve according to predetermined period and open, and described electric control valve open the duration threshold value that duration reaches default time, control described electric control valve and close.
Alternatively, described processor, for:
Under described automatic dust removing apparatus duty, according to the corresponding relation of the dust suction wind intensity pre-set and duration threshold value, determine the target duration threshold value that dust suction wind intensity under current operating state is corresponding;
Control described electric control valve according to predetermined period to open, and described electric control valve open duration reach described target duration threshold value time, control described electric control valve close.
Alternatively, described branch road air-guiding aisle comprises flexible pipe.
Alternatively, described automatic dust removing apparatus comprises multiple fall arrest sensor, and described branch road air-guiding aisle comprises multiple air outlet;
Described branch road air-guiding aisle also comprises bifurcated pipe, and the entrance of described bifurcated pipe is communicated with the air intake vent of described branch road air-guiding aisle, and multiple outlets of described bifurcated pipe are communicated with described multiple air outlet respectively by described flexible pipe;
Described multiple air outlet is separately positioned on the position of the detection window near each fall arrest sensor.
Alternatively, the sectional area of described air intake vent is greater than the sectional area of described air outlet.
Alternatively, described air outlet is strip, and the long edge of described strip is parallel with the outer surface of described detection window.
Alternatively, the long edge of described strip and the edge of described detection window flush.
Alternatively, the length of described air outlet is the half of described detection window antermarginal length adjacent with described air outlet;
The air-out direction of described air outlet is towards infrared ray injection on described detection window and the position of carrying out infrared detection.
Alternatively, two of described detection window relative edges, be respectively arranged with an air outlet, the air-out direction of two air outlets on the contrary and mutually stagger.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
In disclosure embodiment, automatic dust removing apparatus comprises fuselage, fall arrest sensor and branch road air-guiding aisle, wherein, fall arrest sensor setting is at underbelly, the detection window direction of fall arrest sensor is downward, the air intake vent of branch road air-guiding aisle is arranged on the sidewall of the air exhaust passage of fuselage, and the air outlet of branch road air-guiding aisle is arranged on the position of the close detection window of fuselage, and the air-out direction of the air outlet of branch road air-guiding aisle is towards detection window.Like this, in the process of automatic dust removing apparatus work, by blowing, the dust on the detection window of fall arrest sensor can be cleared up, thus, the accuracy in detection of fall arrest sensor can be improved.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in description and to form the part of this description, shows and meets embodiment of the present disclosure, and is used from description one and explains principle of the present disclosure.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of automatic dust removing apparatus according to an exemplary embodiment;
Fig. 2 a, Fig. 2 b are the structural representations of a kind of automatic dust removing apparatus according to an exemplary embodiment;
Fig. 3 is the structural representation of a kind of automatic dust removing apparatus according to an exemplary embodiment;
Fig. 4 is the structural representation of a kind of automatic dust removing apparatus according to an exemplary embodiment;
Fig. 5 a, Fig. 5 b are the structural representations of a kind of automatic dust removing apparatus according to an exemplary embodiment;
Fig. 6 is the structural representation of a kind of automatic dust removing apparatus according to an exemplary embodiment.
By above-mentioned accompanying drawing, illustrate the embodiment that the disclosure is clear and definite more detailed description will be had hereinafter.These accompanying drawings and text description be not in order to limited by any mode the disclosure design scope, but by reference to specific embodiment for those skilled in the art illustrate concept of the present disclosure.
Detailed description of the invention
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.
Embodiment one
Disclosure embodiment provides a kind of automatic dust removing apparatus, and as shown in Figure 1, this automatic dust removing apparatus comprises fuselage 1, fall arrest sensor 2 and branch road air-guiding aisle 3, wherein:
Fall arrest sensor 2 is arranged on fuselage 1 bottom, detection window 21 direction of fall arrest sensor 2 is downward, the air intake vent 31 of branch road air-guiding aisle 3 is arranged on the sidewall of air exhaust passage 11 of fuselage 1, the air outlet 32 of branch road air-guiding aisle 3 is arranged on the position of the close detection window 21 of fuselage 1, and the air-out direction of the air outlet 32 of branch road air-guiding aisle 3 is towards detection window 21.
In disclosure embodiment, automatic dust removing apparatus comprises fuselage, fall arrest sensor and branch road air-guiding aisle, wherein, fall arrest sensor setting is at underbelly, the detection window direction of fall arrest sensor is downward, the air intake vent of branch road air-guiding aisle is arranged on the sidewall of the air exhaust passage of fuselage, and the air outlet of branch road air-guiding aisle is arranged on the position of the close detection window of fuselage, and the air-out direction of the air outlet of branch road air-guiding aisle is towards detection window.Like this, in the process of automatic dust removing apparatus work, by blowing, the dust on the detection window of fall arrest sensor can be cleared up, thus, the accuracy in detection of fall arrest sensor can be improved.
Embodiment two
Disclosure embodiment provides a kind of automatic dust removing apparatus, as shown in Figure 1, this automatic dust removing apparatus comprises fuselage 1, fall arrest sensor 2 and branch road air-guiding aisle 3, wherein: fall arrest sensor 2 is arranged on fuselage 1 bottom, detection window 21 direction of fall arrest sensor 2 is downward, the air intake vent 31 of branch road air-guiding aisle 3 is arranged on the sidewall of air exhaust passage 11 of fuselage 1, the air outlet 32 of branch road air-guiding aisle 3 is arranged on the position of the close detection window 21 of fuselage 1, and the air-out direction of the air outlet 32 of branch road air-guiding aisle 3 is towards detection window 21.
Wherein, branch road air-guiding aisle 3 is the passages for the air-flow partly will discharged in automatic dust removing apparatus being conducting to detection window 21 place of fall arrest sensor 2.
In force, automatic dust removing apparatus profile can be a more flat cylinder or cuboid.Fall arrest sensor 2 can be an infrared distance detector, can be arranged on the bottom of fuselage 1, near the position of fuselage 1 front end.Fall arrest sensor 2 launches infrared light earthward by its detection window 21, and detects the intensity of the infrared light of ground return, is determined the height on ground by infrared light intensity.Like this, in the process that automatic dust removing apparatus is advanced, if run into steep cliff, then can be detected in time by fall arrest sensor 2, and detour.For the situation arranging multiple fall arrest sensor 2, except the fall arrest sensor 2 of front end, in the position of the bottom of fuselage 1 near fuselage 1 two sides, a fall arrest sensor 2 can also be set respectively, also, 3 fall arrest sensors 2 are set altogether.
The fuselage of automatic dust removing apparatus comprises dust suction parts, the blower fan that dust suction parts can comprise suction port, dust absorption passage, dirt box, air exhaust passage 11, exhaust outlet and be arranged on air exhaust passage 11.The air intake vent 31 of branch road air-guiding aisle 3 can be arranged on air exhaust passage 11 sidewall between blower fan and exhaust outlet, also can be arranged on air exhaust passage 11 sidewall between blower fan and dirt box.The air outlet 32 of branch road air-guiding aisle 3 can be arranged on the sidepiece of detection window 21, air-out direction is towards detection window 21, the angle that can arrange air-out direction and detection window 21 surface is predetermined angle, as 15 °, 20 ° etc., the numerical value of this predetermined angle can be set to the angle value of drifting dust best results.
Based on said structure, in the process of automatic dust removing apparatus work, blower fan rotates, can be formed by the air-flow of blower fan to exhaust outlet in air exhaust passage 11, air-flow is understood some and is flowed into branch road air-guiding aisle 3, and blow out along the air outlet 32 of branch road air-guiding aisle 3, the dust of air-flow to detection window 21 surface of fall arrest sensor 2 of blowout can play the effect of cleaning.
Optionally, branch road air-guiding aisle 3 air intake vent 31 towards can be contrary with the air draft direction of air exhaust passage 11.
In force, as shown in Fig. 2 a, Fig. 2 b (Fig. 2 b is the sectional view at A-A ' place in Fig. 2 a), the air intake vent 31 of branch road air-guiding aisle 3 can be arc, its opening direction is contrary with air draft direction, in figure, the direction of arrow is air draft direction, like this, can increase the air-flow flowing into branch road air-guiding aisle 3, strengthen the wind-force of the air outlet 32 of branch road air-guiding aisle 3, improve the cleaning effect to detection window 21 surface.In the structure shown here, under the prerequisite not affecting air exhaust passage 11 air draft, the area of air intake vent 31 can also be increased, to increase the air-flow flowing into branch road air-guiding aisle 3 as far as possible.
Optionally, branch road air-guiding aisle 3 can be provided with electric control valve 33, electric control valve 33 is electrically connected with the processor 12 in fuselage 1; Processor 12, for controlling the opening and closing of electric control valve 33.
In force, as shown in Figure 3, electric control valve 33 can be communicated with air intake vent 31, and be electrically connected with processor 12, the opening and closing that corresponding controlling mechanism controls electric control valve 33 can be set according to the actual requirements in processor 12, such as, continue to open, or periodicity opening and closing etc.
Optionally, electric control valve 33 periodically opening and closing can be controlled, accordingly, processor 12, for: under automatic dust removing apparatus duty, control described electric control valve 33 according to predetermined period to open, and electric control valve 33 open the duration threshold value that duration reaches default time, control electric control valve 33 and close.
In force, predetermined period and duration threshold value can be selected arbitrarily according to the actual requirements, and such as, can arrange predetermined period is 10 minutes, and arranging duration threshold value is 30 seconds.Whenever reaching predetermined period, processor 12 just can send start signal to electric control valve 33, then can Open valve when electric control valve 33 receives start signal, and the air-flow of air exhaust passage 11 then can flow into branch road air-guiding aisle 3, and blows out from air outlet 32.When the unlatching duration of electric control valve 33 reaches duration threshold value, processor 12 can send shutdown signal to electric control valve 33, and electric control valve 33 receives shutdown signal then valve-off.Air-flow then no longer flows into branch road air-guiding aisle 3.
Optionally, the unlatching duration of the wind intensity decision electric control valve 33 of dust suction can also be carried out according to automatic dust removing apparatus, accordingly, processor 12, for: under automatic dust removing apparatus duty, according to the corresponding relation of the dust suction wind intensity pre-set and duration threshold value, determine the target duration threshold value that dust suction wind intensity under current operating state is corresponding; According to predetermined period control electric control valve 33 open, and electric control valve 33 open duration reach target duration threshold value time, control electric control valve 33 close.
In force, automatic dust removing apparatus can be previously provided with the different numerical value of dust suction wind intensity, multiple gear can be set, as strong, in, weak, automatic dust removing apparatus can select corresponding gear according to the setting of user or according to Lookup protocol mechanism in the course of the work.In addition, automatic dust removing apparatus can also pre-set the unlatching duration (i.e. above-mentioned duration threshold value) of electric control valve 33 corresponding to different dust suction wind intensity, corresponding lower dust suction wind intensity can arrange shorter duration threshold value, corresponding higher dust suction wind intensity can arrange longer duration threshold value, such as, strong, in, duration threshold value that weak three gears are corresponding can be respectively 40 seconds, 30 seconds, 20 seconds.Because when dust suction wind intensity is higher, detection window 21 more becomes easily infected by dust, so extend the unlatching duration of electric control valve 33 in this case, the cleaning effect to detection window 21 can be strengthened.Like this, the corresponding relation of dust suction wind intensity and duration threshold value can just be set up.Under automatic dust removing apparatus duty, processor can obtain current dust suction wind intensity, in above-mentioned corresponding relation, then search corresponding duration threshold value, then according to predetermined period and the duration threshold value found, controls the opening and closing of electric control valve 33.
Optionally, branch road air-guiding aisle 3 can comprise flexible pipe 34.
In force, by flexible pipe 34, the pipeline of branch road air-guiding aisle 3 can be set the more convenient internal structure according to automatic dust removing apparatus, also can facilitate the installation of automatic dust removing apparatus simultaneously.
Optionally, automatic dust removing apparatus is provided with to the situation of multiple fall arrest sensor 2, concrete structure can be as follows: automatic dust removing apparatus comprises multiple fall arrest sensor 2, and branch road air-guiding aisle 3 comprises multiple air outlet 32; Branch road air-guiding aisle 3 also comprises bifurcated pipe 35, and as shown in Figure 4, the entrance (left end in figure) of bifurcated pipe 35 is communicated with the air intake vent 31 of branch road air-guiding aisle 3, and multiple outlets of described bifurcated pipe 35 are communicated with multiple air outlet 32 respectively by flexible pipe 34; Multiple air outlet 32 is separately positioned on the position of the detection window 21 near each fall arrest sensor 2.
In force, for the situation arranging multiple fall arrest sensor 2, an air outlet 32 can be set for each fall arrest sensor 2, also two or more air outlets 32 can be set for each fall arrest sensor 2.Above-mentioned electric control valve 33 can be arranged on the connectivity part of the entrance of air intake vent 31 and bifurcated pipe 35.Flexible pipe 34 is by the outlet of air outlet 32 with bifurcated pipe 35.Like this, on branch road air-guiding aisle 3, each parts can be air intake vent 31, electric control valve 33, bifurcated pipe 35, flexible pipe 34, air outlet 32 according to the order of gas flow.
Optionally, the sectional area of air intake vent 31 is greater than the sectional area of air outlet 32.
In force, under the prerequisite not affecting air exhaust passage 11, increase the area of air intake vent 31 as far as possible, meanwhile, ensureing, under the prerequisite to the cleaning scope of detection window 21, the area of air outlet 32 to be reduced as far as possible.Like this, the blow strength of air outlet 32 can be increased, strengthen the cleaning effect to detection window 21 dust.
The long edge contiguous with detection window 21 of air outlet 32 is isometric with the adjacent edge of detection window 21 and align, air outlet 32 with detection window 21 away from long edge and detection window 21 isometric away from limit, and wind being blowed to the extended line in the face away from detection window 21 extending out guide groove 36 and the overlapping away from limit of detection window 21 of detection window 21 through blowing mouth 32 from flexible pipe 34, the air-flow that air outlet 32 is blown out covers whole detection window 21.Or the air-flow that air outlet 32 also can be made to blow out covers the subregion of detection window 21.
Optionally, air outlet 32 can be strip, and the long edge of strip is parallel with the outer surface of detection window 21.
In force, as shown in Fig. 5 a, Fig. 5 b (Fig. 5 b is the sectional view at B-B ' place in Fig. 5 a), air outlet 32 can be arranged on the sidewall of detection window 21 mounting groove on fuselage.Detection window 21 can be rectangle.Air outlet 32 can be strip, near a side of detection window 21, parallel with this side.The air-out direction of air outlet 32 can be inclined to detection window 21 surface, becomes predetermined angle with detection window 21 surface.
Optionally, the long edge of this strip and the edge of detection window 21 flush.
In force, air outlet 32 can be strip, and near a side of detection window 21, the long edge of strip can flush with this side.
Optionally, the length of strip air outlet 32 can be the half of detection window 21 antermarginal length adjacent with air outlet 32; The air-out direction of air outlet 32 is towards infrared ray injection on detection window and the position of carrying out infrared detection.
In force, such structure effectively can reduce the area of air outlet 32, increases the blow strength of air outlet 32, and meanwhile, air-out direction, towards infrared ray injection on detection window and the position of carrying out infrared detection, can ensure the cleaning to this position dust.
Optionally, each detection window 21 is arranged to the situation of two air outlets 32, can in two of a detection window 21 relative edge, the air-out direction being respectively arranged with an air outlet 32, two air outlets 32 is on the contrary and mutually stagger.
In force, as shown in Figure 6, two air outlets 32 can be separately positioned on the relative adjacent edges of two of detection window 21, left and right distribution, their air-out direction on the contrary and mutually stagger, can form spiral air flow, can strengthen the cleaning effect to detection window 21 dust.
In disclosure embodiment, automatic dust removing apparatus comprises fuselage, fall arrest sensor and branch road air-guiding aisle, wherein, fall arrest sensor setting is at underbelly, the detection window direction of fall arrest sensor is downward, the air intake vent of branch road air-guiding aisle is arranged on the sidewall of the air exhaust passage of fuselage, and the air outlet of branch road air-guiding aisle is arranged on the position of the close detection window of fuselage, and the air-out direction of the air outlet of branch road air-guiding aisle is towards detection window.Like this, in the process of automatic dust removing apparatus work, by blowing, the dust on the detection window 21 of fall arrest sensor 2 can be cleared up, thus, the accuracy in detection of fall arrest sensor 2 can be improved.
Those skilled in the art, at consideration description and after putting into practice disclosed herein disclosing, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Description and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.
Claims (12)
1. an automatic dust removing apparatus, is characterized in that, described automatic dust removing apparatus comprises fuselage, fall arrest sensor and branch road air-guiding aisle, wherein:
Described fall arrest sensor setting is at described underbelly, and the detection window direction of described fall arrest sensor is downward;
The air intake vent of described branch road air-guiding aisle is arranged on the sidewall of the air exhaust passage of described fuselage;
The air outlet of described branch road air-guiding aisle is arranged on the position of the close described detection window of described fuselage, and the air-out direction of the air outlet of described branch road air-guiding aisle is towards described detection window.
2. automatic dust removing apparatus as claimed in claim 1, is characterized in that, the air intake vent of described branch road air-guiding aisle towards contrary with the air draft direction of described air exhaust passage.
3. automatic dust removing apparatus as claimed in claim 1, is characterized in that, described branch road air-guiding aisle is provided with electric control valve, and the processor in described electric control valve and described fuselage is electrically connected;
Described processor, for controlling the opening and closing of described electric control valve.
4. automatic dust removing apparatus as claimed in claim 3, is characterized in that, described processor, for:
Under described automatic dust removing apparatus duty, control described electric control valve according to predetermined period and open, and described electric control valve open the duration threshold value that duration reaches default time, control described electric control valve and close.
5. automatic dust removing apparatus as claimed in claim 4, is characterized in that, described processor, for:
Under described automatic dust removing apparatus duty, according to the corresponding relation of the dust suction wind intensity pre-set and duration threshold value, determine the target duration threshold value that dust suction wind intensity under current operating state is corresponding;
Control described electric control valve according to predetermined period to open, and described electric control valve open duration reach described target duration threshold value time, control described electric control valve close.
6. automatic dust removing apparatus as claimed in claim 1, it is characterized in that, described branch road air-guiding aisle comprises flexible pipe.
7. automatic dust removing apparatus as claimed in claim 6, it is characterized in that, described automatic dust removing apparatus comprises multiple fall arrest sensor, and described branch road air-guiding aisle comprises multiple air outlet;
Described branch road air-guiding aisle also comprises bifurcated pipe, and the entrance of described bifurcated pipe is communicated with the air intake vent of described branch road air-guiding aisle, and multiple outlets of described bifurcated pipe are communicated with described multiple air outlet respectively by described flexible pipe;
Described multiple air outlet is separately positioned on the position of the detection window near each fall arrest sensor.
8. automatic dust removing apparatus as claimed in claim 1, it is characterized in that, the sectional area of described air intake vent is greater than the sectional area of described air outlet.
9. automatic dust removing apparatus as claimed in claim 1, it is characterized in that, described air outlet is strip, and the long edge of described strip is parallel with the outer surface of described detection window.
10. automatic dust removing apparatus as claimed in claim 9, it is characterized in that, the long edge of described strip and the edge of described detection window flush.
11. automatic dust removing apparatus as claimed in claim 9, is characterized in that, the length of described air outlet is the half of described detection window antermarginal length adjacent with described air outlet;
The air-out direction of described air outlet is towards infrared ray injection on described detection window and the position of carrying out infrared detection.
12. automatic dust removing apparatus as claimed in claim 1, is characterized in that, two of described detection window relative edges, are respectively arranged with an air outlet, and the air-out direction of two air outlets on the contrary and mutually stagger.
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| CN201510179249.8A CN105433874B (en) | 2015-04-15 | 2015-04-15 | A kind of automatic dust removing apparatus |
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| CN201510179249.8A CN105433874B (en) | 2015-04-15 | 2015-04-15 | A kind of automatic dust removing apparatus |
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| CN105433874B CN105433874B (en) | 2018-08-03 |
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| CN108020844A (en) * | 2017-11-27 | 2018-05-11 | 深圳市沃特沃德股份有限公司 | Steep cliff detection method and robot |
| CN108742343A (en) * | 2018-06-14 | 2018-11-06 | 深圳稀树智能科技有限公司 | Sweeping robot and its operational method |
| CN109512333A (en) * | 2018-11-21 | 2019-03-26 | 刘玉蓉 | A kind of instruction device of dust catcher |
| CN109567670A (en) * | 2018-11-21 | 2019-04-05 | 刘玉蓉 | A kind of intellective dust collector |
| CN109589044A (en) * | 2018-11-21 | 2019-04-09 | 刘玉蓉 | A kind of high-precision instruction device on dust catcher |
| CN109739313A (en) * | 2018-12-29 | 2019-05-10 | 努比亚技术有限公司 | A kind of terminal and its dust removal method that radiates |
| CN111127812A (en) * | 2018-10-31 | 2020-05-08 | 上海嘉筠通信技术有限公司 | Smoke alarm with cleaning function |
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| CN109589044B (en) * | 2018-11-21 | 2021-02-02 | 浙江麦卡德工贸有限公司 | High-precision indicating device used on dust collector |
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| CN109739313A (en) * | 2018-12-29 | 2019-05-10 | 努比亚技术有限公司 | A kind of terminal and its dust removal method that radiates |
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Address after: 100085 Beijing Haidian District Qinghe middle street 68 Huarun colorful shopping mall two phase 13 level. Co-patentee after: Beijing Roborock Technology Co.,Ltd. Patentee after: Xiaomi Technology Co.,Ltd. Address before: 100085 Beijing Haidian District Qinghe middle street 68 Huarun colorful shopping mall two phase 13 level. Co-patentee before: BEIJING ROCKROBO TECHNOLOGY Co.,Ltd. Patentee before: Xiaomi Technology Co.,Ltd. |