Intelligent garbage can convenient to classify and using method thereof

文档序号:79519 发布日期:2021-10-08 浏览:34次 中文

阅读说明:本技术 一种便于分类的智能垃圾桶及其使用方法 (Intelligent garbage can convenient to classify and using method thereof ) 是由 王永峰 于 2021-07-12 设计创作,主要内容包括:本发明公开了一种便于分类的智能垃圾桶及其使用方法,涉及垃圾桶技术领域;为了解决垃圾桶的自主分类问题;具体包括四个万向轮、桶体、用于维修的固定板、两个把手和用于排污的导污门,所述桶体的底部四角分别通过螺栓与四个万向轮相固定,两个导污门分别通过铰链固定于桶体的底部两侧,两个把手分别通过螺栓与桶体的两侧外壁相连接,桶体的顶部外壁开有进污口,固定板设置于桶体的正面外壁,所述桶体的底部两侧外壁分别设置有存废箱,且两个存废箱顶部设置有分拣机构,分拣机构的顶部摇摆端设置有分类板。本发明做到了垃圾的自主分类,克服了人工自主分辨的弊端,提高了整体装置的垃圾分类的效率。(The invention discloses an intelligent garbage can convenient to classify and a using method thereof, relating to the technical field of garbage cans; the garbage can automatic sorting device aims at solving the problem of automatic sorting of garbage cans; the dirty door of leading that specifically includes four universal wheels, staving, is used for fixed plate, two handles of maintenance and is used for the blowdown, the bottom four corners of staving is fixed mutually with four universal wheels through the bolt respectively, and two lead dirty door and be fixed in the bottom both sides of staving through the hinge respectively, and two handles are connected with the both sides outer wall of staving through the bolt respectively, and open the top outer wall of staving has into dirty mouthful, and the fixed plate sets up in the positive outer wall of staving, the bottom both sides outer wall of staving is provided with the waste storage box respectively, and just two waste storage box tops are provided with letter sorting mechanism, and the top of letter sorting mechanism is swayd the end and is provided with the classification board. The invention realizes the automatic classification of garbage, overcomes the defect of manual automatic distinguishing and improves the garbage classification efficiency of the whole device.)

1. An intelligent garbage can convenient to classify comprises four universal wheels (1), a can body (3), a fixing plate (2) for maintenance, two handles (4) and a dirt guide door (10) for pollution discharge, wherein four corners of the bottom of the can body (3) are fixed with the four universal wheels (1) through bolts respectively, the two dirt guide doors (10) are fixed on two sides of the bottom of the can body (3) through hinges respectively, the two handles (4) are connected with outer walls of two sides of the can body (3) through bolts respectively, a dirt inlet (5) is formed in the outer wall of the top of the can body (3), the fixing plate (2) is arranged on the outer wall of the front of the can body (3), the intelligent garbage can convenient to classify is characterized in that waste storage boxes (8) are arranged on the outer walls of two sides of the bottom of the can body (3) respectively, a sorting mechanism (7) is arranged at the tops of the two waste storage boxes (8), a classification plate (6) is arranged at the top swing end of the sorting mechanism (7), and grooves are formed in two sides of the top of the classification plate (6), and bearing sensors (61) are arranged in the grooves through sealing strips.

2. The intelligent garbage can convenient to sort according to claim 1, wherein the sorting mechanism (7) comprises a motor (9), an incomplete gear (11), two inclined baffles (12), two separation nets (13), a bottom plate (14), a transmission wheel (15), a transmission belt (16), a worm (17) and an inclined bracket (18), and the bottom plate (14) is arranged at the top of the two waste storage boxes (8).

3. The intelligent garbage can convenient to sort according to claim 2, wherein the outer walls of two sides of the top of the bottom plate (14) are provided with guide openings, the bottom plate (14) is provided with mounting plates near the outer walls of the top of the two opposite sides of the guide openings, the inclined bracket (18) is arranged on the opposite sides of the top of the two mounting plates, and the motor (9) is fixed on one side of the bottom plate (14) through a support plate.

4. The intelligent garbage can convenient to classify as claimed in claim 2, wherein the driving wheel (15) is arranged at the output end of the motor (9), the worm (17) is fixed at one side of the two mounting plates opposite to each other through a bearing, the driving belt (16) is respectively sleeved at the circumferential end parts of the worm (17) and the driving wheel (15) on the same side, the rotating rods are fixed at one side of the two inclined supports (18) opposite to each other through a bearing, and the incomplete gear (11) is sleeved on the circumference of the rotating rods.

5. The intelligent garbage can convenient to classify as claimed in claim 2, wherein the worm (17) is meshed with the incomplete gear (11), the outer walls of two sides of the bottom plate (14) are respectively provided with a support plate (21), the two separation nets (13) are respectively arranged on the tops of the two support plates (21), and the two inclined baffles (12) are respectively arranged on the tops of the two separation nets (13).

6. The intelligent garbage can convenient to classify as claimed in claim 1, wherein the partition plates (12) are welded to the outer walls of two sides of the top of the bottom plate (14), the triangular guide plates (19) are welded to the opposite sides of the two mounting plates, and the sponge plates (22) are respectively bonded to the inner walls of the periphery of each guide opening.

7. The intelligent garbage can convenient to classify as claimed in claim 1, wherein the bottom outer wall of the classification plate (6) is provided with an installation groove (25), and the outer walls of two sides of the top of the classification plate (6) are respectively bonded with buffering protrusions (23) distributed at equal intervals.

8. The intelligent garbage can convenient for classification as claimed in claim 7, wherein the top central outer wall of the classification plate (6) is welded with a dispersion arc plate (24).

9. Intelligent garbage can convenient to sort according to claim 5, characterized in that the sorting plate (6) is arranged on top of the incomplete gear (11).

10. The use method of the intelligent garbage can convenient for classification is characterized by comprising the following steps:

s1: when in use, people move the whole device to a designated position through the handle (4) and throw the garbage into the sewage inlet (5);

s2: meanwhile, the garbage falls into the top of the classification plate (6), and the load-bearing sensor (61) embedded in the top of the classification plate (6) can effectively measure the weight of the garbage;

s3: meanwhile, according to the measurement result, a motor (9) is started, a driving wheel (15) is driven to rotate through the motor (9), a worm (17) is driven to rotate by the rotating driving wheel (15) effectively through a driving belt (16), and the incomplete gear (11) is driven to rotate for a certain angle by the rotating worm (17) through the meshing relation, so that the classification plate (6) on the top of the incomplete gear swings left and right, and garbage can be guided obliquely;

s4: in the process of dredging the garbage, the inclined baffles (12) at the tops of the two separation nets (13) effectively play a role in blocking the side leakage of the garbage, so that the garbage at the tops of the classification plates (6) falls into two different waste storage boxes (8) according to the weight, and the garbage is classified automatically;

s5: when rubbish falls into triangle baffle (19), can effectively cushion rubbish through four sponge boards (22) in every guide opening to absorb partial moisture in the rubbish, and then reduced the humidity when rubbish discharges through leading dirty door (10).

Technical Field

The invention relates to the technical field of garbage cans, in particular to an intelligent garbage can convenient to classify and a using method thereof.

Background

A trash can, also known as a trash can or bin, is a place to contain trash. The garbage can is made of metal or plastic, when in use, the garbage can is placed in a plastic bag, when more garbage is used, the garbage can be pricked and discarded, most garbage cans are provided with covers to prevent peculiar smell of the garbage from dispersing, some garbage cans can be opened by feet, the garbage can is a container for storing dirt and dirt in people's life and is also a refraction of social culture, most garbage cans are made of metal or plastic, when in use, the garbage can be placed in the plastic bag, when more garbage is used, the garbage can be pricked and discarded, most garbage cans are provided with covers to prevent peculiar smell of the garbage from dispersing, some garbage cans can be opened by feet, and a plurality of garbage cans are classified, recyclable and unrecyclable.

Through the retrieval, chinese patent application number is CN 201811508103.3's patent, discloses a categorised garbage bin, including categorised garbage bin main part, categorised garbage bin seal cap and base, and one side swing joint in the top of categorised garbage bin main part has categorised garbage bin handle, and the top middle part embedding of categorised garbage bin main part is connected with can hidden cigarette end and places the box, and the bottom embedding of categorised garbage bin main part is connected with can hidden drawer. One of the classification garbage bin in above-mentioned patent exists following not enough:

the whole device does classification work on garbage, but needs manual and autonomous distinguishing of garbage in hands, so that the garbage is thrown into a classification garbage can body, and therefore autonomous classification work of the garbage can be achieved completely, classification efficiency is reduced, and the intelligent garbage can convenient to classify and the using method of the intelligent garbage can are urgently needed.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an intelligent garbage can convenient to classify and a using method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an intelligent garbage bin convenient to it is categorised, includes four universal wheels, staving, is used for fixed plate, two handles of maintenance and is used for leading dirty door of blowdown, the bottom four corners of staving is fixed mutually with four universal wheels through the bolt respectively, and two lead dirty door and be fixed in the bottom both sides of staving through the hinge respectively, and two handles are connected with the both sides outer wall of staving through the bolt respectively, and open the top outer wall of staving has into dirty mouthful, and the fixed plate sets up in the front outer wall of staving, the bottom both sides outer wall of staving is provided with waste storage box respectively, and just two waste storage box tops are provided with letter sorting mechanism, and the top of letter sorting mechanism is swayed the end and is provided with categorised board, and the top both sides of categorised board are opened flutedly, are provided with the bearing sensor through the sealing strip in the recess.

Preferably: the sorting mechanism comprises a motor, an incomplete gear, two inclined baffles, two separation nets, a bottom plate, a driving wheel, a driving belt, a worm and an inclined bracket, wherein the bottom plate is arranged at the tops of the two waste storage boxes.

Further: the outer walls of two sides of the top of the bottom plate are provided with guide openings, the bottom plate is provided with mounting plates close to the outer walls of the tops of two opposite sides of the guide openings, the inclined support is arranged on one side, opposite to the tops of the two mounting plates, of the bottom plate, and the motor is fixed on one side of the bottom plate through a support plate.

On the basis of the scheme: the driving wheel is arranged at the output end of the motor, the worm is fixed on one opposite side of the two mounting plates through a bearing, the driving belt is respectively sleeved on the circumferential end parts of the worm and the driving wheel on the same side, the rotating rods are fixed on one opposite sides of the two inclined supports through bearings, and the incomplete gear is sleeved on the circumference of the rotating rods.

The better scheme in the scheme is as follows: the worm is meshed with the incomplete gear, supporting plates are arranged on the outer walls of two sides of the bottom plate respectively, the two isolation nets are arranged at the tops of the two supporting plates respectively, and the two inclined baffles are arranged at the tops of the two isolation nets respectively.

As a further scheme of the invention: the outer walls of two sides of the top of the bottom plate are respectively welded with a partition plate, one side of each of the two mounting plates, which is opposite to the other side, is welded with a triangular guide plate, and the peripheral inner wall of each guide opening is respectively bonded with a sponge plate.

Meanwhile, the outer wall of the bottom of the classification plate is provided with a mounting groove, and the outer walls of two sides of the top of the classification plate are respectively bonded with buffering bulges distributed at equal intervals.

As a preferable aspect of the present invention: the outer wall of the center of the top of the classification plate is welded with a dispersion arc plate.

Meanwhile, the classification plate is arranged at the top of the incomplete gear.

A use method of an intelligent garbage can convenient for classification comprises the following steps:

s1: when the garbage can is used, people move the whole device to a specified position through the handle and throw garbage into the sewage inlet;

s2: meanwhile, the garbage falls into the top of the classification plate, and the load-bearing sensor embedded in the top of the classification plate can effectively measure the weight of the garbage;

s3: meanwhile, according to the measurement result, a motor is started, the driving wheel is driven to rotate through the motor, the rotating driving wheel effectively drives a worm to rotate through a driving belt, the rotating worm drives an incomplete gear to rotate for a certain angle through the meshing relation, so that the classification plate on the top of the incomplete gear swings left and right, and the garbage can be guided obliquely;

s4: in the process of dredging the garbage, the inclined baffles at the tops of the two separation nets effectively play a role in blocking the side leakage of the garbage, so that the garbage at the tops of the classification plates falls into two different waste storage boxes according to the weight, and the garbage is classified automatically;

s5: when rubbish falls into the triangle baffle on, can effectively cushion rubbish through four sponge boards in every guide opening to absorb the moisture in the partial rubbish, and then reduced the humidity of rubbish when discharging through leading dirty door.

The invention has the beneficial effects that:

1. this intelligent garbage bin convenient to it is categorised and application method thereof, during the use, people move the overall arrangement to the assigned position through the handle, and throw rubbish into dirty mouthful, meanwhile, rubbish falls into the classification board top, and inlay in the bearing sensor at classification board top can effectively measure the weight of rubbish, simultaneously according to the measuring result, start letter sorting mechanism, and the letter sorting mechanism of work has driven classification board swing from side to side, make the rubbish at classification board top fall into two different waste bins according to the weight size, therefore the autonomic classification of rubbish has been accomplished, the drawback of artifical autonomic resolution has been overcome, the efficiency of overall arrangement's waste classification has been improved.

2. According to the intelligent garbage can convenient to classify and the using method thereof, due to the arrangement of the isolation net and the two inclined baffles, when garbage is classified and guided, the garbage cannot turn over to fall into the bottom of the can body, so that the garbage is effectively guaranteed to fall into the corresponding waste storage box, and the guiding of the garbage is improved.

3. This intelligent garbage bin convenient to it is categorised and application method thereof, it is rotatory to drive the drive wheel through starter motor, pivoted drive wheel has effectively driven the worm rotation through the drive belt, the pivoted worm has driven incomplete gear rotation certain angle through the meshing relation, make the categorised board of its top swing from side to side, and then can dredge rubbish slope, and rubbish is dredging the in-process, the slope baffle at two separation net tops has effectively played the effect of separation rubbish side leakage, make rubbish smoothly fall into corresponding useless case of depositing, the quality of refuse classification has been guaranteed.

4. This intelligent garbage bin convenient to classify and application method thereof when rubbish falls into the triangle baffle, can effectively cushion rubbish through four sponge boards in every guide to absorb the moisture in the partial rubbish, and then reduced the humidity of rubbish when leading dirty door and discharging, effectively promoted the recovery of rubbish.

5. This intelligent garbage bin convenient to classify and application method thereof, when rubbish fell into categorised board top, can effectively control the dispersion through dispersion arc board with rubbish, and the problem of rubbish landing has also been avoided to the buffering arch of its both sides, has effectively improved the bearing efficiency of rubbish.

Drawings

Fig. 1 is a schematic front view of an intelligent trash can convenient for classification according to the present invention;

FIG. 2 is a schematic view of an internal structure of an intelligent trash can convenient for classification according to the present invention;

FIG. 3 is a schematic structural diagram of a sorting mechanism in an intelligent trash can convenient for sorting according to the present invention;

FIG. 4 is a schematic partial structural diagram of an intelligent garbage can sorting mechanism convenient for sorting according to the present invention;

fig. 5 is a schematic side view of a classification plate of an intelligent trash can convenient for classification according to the present invention.

In the figure: 1-universal wheel, 2-fixing plate, 3-barrel body, 4-handle, 5-sewage inlet, 6-classification plate, 61-bearing sensor, 7-sorting mechanism, 8-waste storage box, 9-motor, 10-sewage guide door, 11-incomplete gear, 12-inclined baffle, 13-separation net, 14-bottom plate, 15-driving wheel, 16-driving belt, 17-worm, 18-inclined bracket, 19-triangular guide plate, 20-separation plate, 21-supporting plate, 22-sponge plate, 23-buffer bulge, 24-dispersion arc plate and 25-mounting groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

an intelligent garbage can convenient for classification, as shown in figures 1-4, comprises four universal wheels 1, a can body 3, a fixing plate 2 for maintenance, two handles 4 and a dirt guiding door 10 for dirt discharge, four corners at the bottom of the barrel body 3 are respectively fixed with four universal wheels 1 through bolts, two dirt guide doors 10 are respectively fixed at two sides of the bottom of the barrel body 3 through hinges, two handles 4 are respectively connected with outer walls at two sides of the barrel body 3 through bolts, a dirt inlet 5 is arranged on the outer wall at the top of the barrel body 3, a fixed plate 2 is fixed at the outer wall at the front of the barrel body 3 through bolts, waste storage boxes 8 are respectively fixed at the outer walls at two sides of the bottom of the barrel body 3 through bolts, and the top parts of the two waste storage boxes 8 are provided with sorting mechanisms 7, the top swing ends of the sorting mechanisms 7 are provided with sorting plates 6, and grooves are formed in two sides of the top of the classification plate 6, and bearing sensors 61 are arranged in the grooves through sealing strips.

During the use, people remove the integrated device to the assigned position through handle 4, and throw rubbish into in advancing dirty mouthful 5, meanwhile, rubbish falls into categorised 6 tops, and inlay in the bearing sensor 61 at categorised 6 tops can effectively measure the weight of rubbish, simultaneously according to the measuring result, start letter sorting mechanism 7, and the letter sorting mechanism 7 of work has driven categorised 6 horizontal hunting, make the rubbish at categorised 6 tops of board fall into the useless case 8 of depositing of two differences according to the weight size, therefore the independent classification of rubbish has been accomplished, the drawback of artifical autonomous resolution has been overcome, the efficiency of the garbage classification of integrated device has been improved.

In order to effectively promote the classification of the garbage; as shown in fig. 3, the sorting mechanism 7 includes a motor 9, an incomplete gear 11, two inclined baffles 12, two separation nets 13, a bottom plate 14, a driving wheel 15, a driving belt 16, a worm 17 and inclined brackets 18, wherein the bottom plate 14 is fixed on the tops of the two waste storage boxes 8 through bolts, the outer walls of two sides of the top of the bottom plate 14 are provided with guide openings, the outer wall of the top of the bottom plate 14, which is close to the opposite sides of the two guide openings, is fixed with mounting plates through bolts, the inclined brackets 18 are fixed on the opposite sides of the tops of the two mounting plates through bolts, the motor 9 is fixed on one side of the bottom plate 14 through support plates, the driving wheel 15 is fixed on the output end of the motor 9 through threads, the worm 17 is fixed on the opposite sides of the two mounting plates through bearings, the driving belt 16 is respectively sleeved on the circumferential end portions of the same side of the worm 17 and the driving wheel 15, and a rotating rod is fixed on the opposite side of the two inclined brackets 18 through bearings, incomplete gear 11 cup joints on the circumference of bull stick, and worm 17 and incomplete gear 11 intermeshing, bottom plate 14 both sides outer wall has backup pad 21 through the bolt fastening respectively, and two separation net 13 are respectively through the top of bolt fastening in two backup pad 21, two slope baffles 12 are respectively through the top of bolt fastening in two separation net 13, through separation net 13 and two setting of slope baffle 12, when making the classification of rubbish dredge, can not turn on one's side and fall into the bottom of staving 3, thereby effectively guaranteed that rubbish effectively falls into corresponding waste storage tank 8, the mediation of rubbish has been improved, categorised board 6 passes through the top of bolt fastening in incomplete gear 11.

Drive wheel 15 through starter motor 9 and rotate, pivoted drive wheel 15 has effectively driven worm 17 rotatory through drive belt 16, pivoted worm 17 has driven incomplete gear 11 through the meshing relation and has rotated certain angle, make the categorised board 6 horizontal hunting at its top, and then can dredge rubbish slope, and rubbish is dredging's in-process, the slope baffle 12 at two separation net 13 tops has effectively played the effect of separation rubbish side leakage, make rubbish smoothly fall into corresponding waste storage tank 8 in, the quality of refuse classification has been guaranteed.

In order to promote the absorption of water in part of the garbage; as shown in fig. 4, the partition plates 12 are welded to the outer walls of the two sides of the top of the bottom plate 14 respectively, the triangular guide plates 19 are welded to the opposite sides of the two mounting plates, and the sponge plates 22 are bonded to the inner wall of the periphery of each guide opening respectively; when rubbish falls into the triangle baffle 19 on, can effectively cushion rubbish through four sponge boards 22 in every guide opening to absorb the moisture in the partial rubbish, and then reduced the humidity when rubbish discharges through leading dirty door 10, effectively promoted the recovery of rubbish.

When the garbage separating device is used, people move the whole device to a designated position through the handle 4 and throw garbage into the garbage inlet 5, meanwhile, the garbage falls into the top of the separating plate 6, the weight of the garbage can be effectively measured through the bearing sensor 61 embedded in the top of the separating plate 6, meanwhile, according to the measurement result, the motor 9 is started, the driving wheel 15 is driven to rotate through the motor 9, the rotating driving wheel 15 effectively drives the worm 17 to rotate through the driving belt 16, the rotating worm 17 drives the incomplete gear 11 to rotate for a certain angle through the meshing relation, so that the separating plate 6 on the top of the incomplete gear swings left and right, the garbage can be obliquely dredged, in the process of dredging the garbage, the inclined baffles 12 on the tops of the two separating nets 13 effectively play a role in blocking the side leakage of the garbage, and the garbage on the tops of the separating plate 6 can fall into two different waste storage boxes 8 according to the weight, therefore, the garbage can be classified automatically, when the garbage falls onto the triangular guide plate 19, the garbage can be effectively buffered by the four sponge plates 22 in each guide opening, and the moisture in partial garbage can be absorbed, so that the humidity of the garbage discharged through the trash guide door 10 is reduced.

Example 2:

an intelligent garbage can convenient for classification is disclosed, as shown in fig. 5, an installation groove 25 is formed in the outer wall of the bottom of a classification plate 6, buffer bulges 23 distributed at equal intervals are respectively bonded on the outer walls of two sides of the top of the classification plate 6, and a dispersion arc plate 24 is welded on the outer wall of the center of the top of the classification plate 6; when rubbish falls into the top of the classification plate 6, rubbish can be effectively dispersed left and right through the dispersion arc plates 24, the problem that rubbish slides down is avoided by the buffer protrusions 23 on the two sides of the waste, and the bearing efficiency of the rubbish is effectively improved.

Example 3:

a method for using an intelligent trash can convenient for classification, as shown in fig. 1-5, comprising the following steps:

s1: when in use, people move the whole device to a designated position through the handle 4 and throw the garbage into the sewage inlet 5;

s2: meanwhile, the garbage falls into the top of the classification plate 6, and the load-bearing sensor 61 embedded in the top of the classification plate 6 can effectively measure the weight of the garbage;

s3: meanwhile, according to the measurement result, the motor 9 is started, the driving wheel 15 is driven to rotate through the motor 9, the rotating driving wheel 15 effectively drives the worm 17 to rotate through the driving belt 16, the rotating worm 17 drives the incomplete gear 11 to rotate for a certain angle through the meshing relation, so that the classification plate 6 on the top of the incomplete gear swings left and right, and the garbage can be obliquely dredged;

s4: in the process of dredging the garbage, the inclined baffles 12 at the tops of the two separation nets 13 effectively play a role in blocking the side leakage of the garbage, so that the garbage at the tops of the classification plates 6 falls into two different waste storage boxes 8 according to the weight, and the garbage is classified automatically;

s5: when the garbage falls onto the triangular guide plate 19, the garbage can be effectively buffered by the four sponge plates 22 in each guide opening, and the moisture in part of the garbage can be absorbed, so that the humidity of the garbage discharged through the sewage guide door 10 is reduced.

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 person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

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