CN114738716A - Online monitoring and lighting device for park - Google Patents

Abstract

The invention relates to the technical field of lighting equipment, and discloses an online monitoring lighting device for a park, which comprises a lamp post and a lampshade, wherein a supporting seat is fixedly arranged at the top end of the lamp post, and a rotating ring is sleeved on the supporting seat; the driving mechanism drives the rotating ring to rotate intermittently, so that the first window is communicated with the second window intermittently, when the first window is communicated with the second window, mosquitoes in the park enter the inner ring through the first window and the second window due to phototaxis, then the driving mechanism drives the rotating ring to rotate, so that the first window is not communicated with the second window, a closed space is formed inside the inner ring, then the pesticide is sprayed into the closed space through the pesticide spraying mechanism, so that the mosquitoes in the inner ring are killed, and the mosquitoes are killed by closing the mosquitoes in a small space, so that the mosquitoes can be killed effectively only by a small amount of the pesticide, on one hand, the use amount of the pesticide is reduced, and on the other hand, the pollution to the air in the park is reduced.

Description

Online monitoring and lighting device for park

Technical Field

The invention relates to the technical field of lighting equipment, in particular to an online monitoring lighting device for a park.

Background

The park is an indispensable important component in a city construction system, can improve the city environment, provides a good rest entertainment place for city residents, and can also meet the requirement of people on returning to the nature, and the illuminating lamp is also one of the important components of the park.

Chinese patent CN108826199A discloses a new energy-saving environment-friendly park lighting lamp; the intelligent park lighting lamp is provided with the wind speed sensor and the light intensity sensor respectively, the wind speed sensor and the light intensity sensor monitor the wind speed and the light intensity in the park in real time, when the wind speed in the park is greater than the set value of the wind speed sensor and the light intensity is less than the set value of the light intensity sensor, the controller controls the wind power generator to work and store electricity preferentially, when the wind speed in the park is less than the set value of the wind speed sensor and the light intensity is greater than the set value of the light intensity sensor, the controller controls the wind power generator and the solar power generation device to work and store electricity simultaneously, and when the wind speed and the light intensity in the park are greater than the set values of the wind speed sensor and the light intensity sensor simultaneously, the controller can select the most appropriate electricity storage mode according to the actual weather condition, so that the park lighting lamp can work in a better electricity storage mode conveniently, energy is saved, and environment is protected.

However, the illuminating lamp can attract mosquitoes during working, the mosquitoes can be killed by spraying insecticide beside the illuminating lamp in the existing mosquito repelling mode, however, the insecticide is sprayed in a large space and can be blown away by wind quickly, the insect killing effect is not good, and air in a park can be polluted.

Therefore, it is necessary to provide an on-line monitoring illumination device for parks to solve the above technical problems.

Disclosure of Invention

The present invention is directed to an on-line monitoring illumination device for parks, so as to solve the problems mentioned in the background art.

Based on the above thought, the invention provides the following technical scheme: an online monitoring and lighting device for parks comprises a lamp pole and a lampshade, wherein a supporting seat is fixedly arranged at the top end of the lamp pole, a rotating ring is sleeved on the supporting seat, a rotating disk is fixedly arranged at the top end of the rotating ring, the supporting seat penetrates through the rotating disk, an inner ring is fixedly arranged at the top end of the rotating disk, the top end of the supporting seat is fixedly connected with the lampshade, an outer ring is fixedly arranged at the bottom end of the lampshade, the outer ring is rotatably connected with the inner ring, the inner wall of the outer ring is attached to the outer wall of the inner ring, a plurality of first windows are formed in the inner ring, a plurality of second windows are formed in the outer ring, the axes of the inner rings are distributed in an annular array mode by taking the axes of the inner rings as the array center, and the axes of the rings except the second windows are distributed in an annular array mode by taking the axes of the rings as the array center, the first window and the second window are respectively provided with 4 windows, the size of the first window is the same as that of the second window, a driving mechanism for driving the rotating ring to rotate is arranged in the supporting seat, and a spraying mechanism for spraying a medicine to the inner circular ring is arranged at the bottom end of the rotating disk.

As a further scheme of the invention, a partition plate is arranged at the bottom of the lampshade, the top end of the supporting seat penetrates through the partition plate, the supporting seat is fixedly connected with the partition plate, and a bulb is fixedly arranged at the top end of the supporting seat.

As a further aspect of the present invention, the driving mechanism includes a motor and an inner gear ring, the motor is fixedly installed inside the supporting seat, the output end of the motor is fixedly installed with a gear, the inner gear ring is fixedly installed on the inner wall of the rotating ring, and the gear is engaged with the inner gear ring.

As a further scheme of the invention, the top end of the rotating disk is provided with a supporting disk, the bottom wall of the supporting disk is attached to the top wall of the rotating disk, the supporting seat penetrates through the supporting disk and is fixedly connected with the supporting disk, the rotating disk is provided with a plurality of first through holes, the supporting disk is provided with a plurality of second through holes, the plurality of first through holes are distributed in an annular array mode by taking the axis of the rotating disk as an array center, the number of the first through holes is 8, the number of the second through holes is 1, the distance between the first through holes and the axis of the rotating disk is equal to the distance between the second through holes and the axis of the rotating disk, the number of the pesticide spraying mechanisms is multiple, a transparent plate is fixedly arranged in one part of the first through holes, the plurality of the pesticide spraying mechanisms are respectively arranged below the rest part of the first through holes, and the transparent plate and the pesticide spraying mechanisms are alternately arranged, when the bottom of the second through hole is a transparent plate, the first window is communicated with the second window, and when the bottom of the second through hole is a medicine spraying mechanism, the first window is not communicated with the second window.

As a further scheme of the invention, the pesticide spraying mechanism comprises a bottle body, the bottle body is fixedly installed at the bottom end of the second through hole, an inner cavity of the bottle body is communicated with the second through hole, a spraying bottle is fixedly installed in the bottle body and filled with pesticide, the volume of the bottle body is larger than that of the pesticide, so that killed mosquitoes can fall into the bottle body to be collected, and a button is arranged at the top end of the spraying bottle.

As a further scheme of the invention, a plurality of scraping plates are fixedly arranged on the inner side wall of the inner circular ring, the number of the scraping plates is the same as that of the bottles, the scraping plates are respectively arranged right above the bottles, and the bottom walls of the scraping plates are in contact with the top wall of the supporting plate.

As a further scheme of the invention, a support cylinder is fixedly installed on the scraper, a sliding column is installed in the support cylinder in a sliding manner, the sliding column penetrates through the support cylinder, a limit ring is sleeved on the sliding column and is arranged in the support cylinder in a sliding manner, the limit ring is elastically connected with the support cylinder through a spring, the sliding column is positioned right above the button, and a pushing mechanism for driving the sliding column to move downwards relative to the support cylinder is arranged on the support seat.

As a further scheme of the invention, the pushing mechanism comprises a supporting rod, the supporting rod is fixedly installed on the side wall of the supporting seat, a driving block is fixedly installed at one end of the supporting rod, which is far away from the supporting seat, an inclined surface is arranged on the bottom wall of the driving block, and the driving block is positioned right above the second through hole.

As a further scheme of the invention, the supporting seat is sleeved with a lamp strip, and the lamp strip is positioned between the partition plate and the supporting plate.

As a further scheme of the invention, the transparent plate is provided with the patterns, so that when light rays pass through the transparent plate, the patterns on the transparent plate can be projected on the ground.

As a further scheme of the invention, the top end of the sliding column is rotatably provided with a ball.

Compared with the prior art, the invention has the beneficial effects that: the driving mechanism drives the rotating ring to rotate intermittently, so that the first window is communicated with the second window intermittently, when the first window is communicated with the second window, mosquitoes in the park enter the inner ring through the first window and the second window due to phototaxis, then the driving mechanism drives the rotating ring to rotate, so that the first window is not communicated with the second window, a closed space is formed inside the inner ring, then the insecticide is sprayed into the closed space through the insecticide spraying mechanism, the mosquitoes in the inner ring are killed, and the mosquitoes are killed by closing the mosquitoes in a small space, so that the mosquitoes can be killed effectively only by a small amount of the insecticide, on one hand, the using amount of the insecticide is reduced, and on the other hand, the pollution to the air in the park is reduced.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is an enlarged view of the structure at A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic three-dimensional structure of the inner ring and support disk of the present invention;

FIG. 6 is a schematic three-dimensional structure of the lamp housing and the outer ring of the present invention;

FIG. 7 is a schematic cross-sectional view of the lamp housing and the outer ring of the present invention;

FIG. 8 is a schematic three-dimensional structure of the supporting base of the present invention;

FIG. 9 is a schematic cross-sectional view of the spraying mechanism of the present invention;

fig. 10 is a schematic sectional view of the support cylinder and the strut according to the present invention.

In the figure: 1. a lamp post; 2. a supporting seat; 3. a rotating ring; 4. rotating the disc; 401. a first through hole; 5. a transparent plate; 6. a support disc; 601. a second through hole; 7. an inner circular ring; 701. a first window; 8. an outer ring; 801. a second window; 9. a lamp shade; 10. a partition plate; 11. a bottle body; 12. a bulb; 13. a motor; 14. a gear; 15. an inner gear ring; 16. a squeegee; 17. a support cylinder; 18. a traveler; 19. a limiting ring; 20. a spring; 21. a ball bearing; 22. a support bar; 23. a drive block; 24. a light strip; 25. a spray bottle; 26. a button.

Detailed Description

Referring to fig. 1 to 6, in an embodiment of the present invention, an online monitoring and lighting device for a park includes a lamp post 1 and a lamp shade 9, a support base 2 is fixedly installed at a top end of the lamp post 1, a rotating ring 3 is sleeved on the support base 2, a camera (not shown in the figure) is fixedly installed on the rotating ring 3, the camera is used for monitoring the park, a rotating disc 4 is fixedly installed at a top end of the rotating ring 3, the support base 2 penetrates through the rotating disc 4, an inner ring 7 is fixedly installed at a top end of the rotating disc 4, a top end of the support base 2 is fixedly connected with the lamp shade 9, an outer ring 8 is fixedly installed at a bottom end of the lamp shade 9, the outer ring 8 is rotatably connected with the inner ring 7, an inner wall of the outer ring 8 is attached to an outer wall of the inner ring 7, a plurality of first windows 701 are opened on the inner ring 7, a plurality of second windows 801 are formed in the outer circular ring 8, the plurality of first windows 701 are distributed in an annular array mode with the axis of the inner circular ring 7 as an array center, the plurality of second windows 801 are distributed in an annular array mode with the axis of the outer circular ring 8 as the array center, the number of the first windows 701 and the number of the second windows 801 are 4, the sizes of the first windows 701 and the second windows 801 are the same, a driving mechanism for driving the rotating ring 3 to rotate is arranged in the supporting seat 2, a pesticide spraying mechanism for spraying pesticide into the inner circular ring 7 is arranged at the bottom end of the rotating disk 4, and the pesticide spraying mechanism is used for spraying pesticide; when the mosquito killer is used at night, the rotating ring 3 is driven to rotate intermittently by the driving mechanism, the first window 701 is intermittently communicated with the second window 801, when the first window 701 is communicated with the second window 801, mosquitoes in a park enter the inner circular ring 7 through the first window 701 and the second window 801 due to phototaxis, the rotating ring 3 is driven to rotate by the driving mechanism, the first window 701 and the second window 801 are not communicated, a closed space is formed inside the inner circular ring 7, then, the insecticide is sprayed into the closed space through the insecticide spraying mechanism, the mosquitoes in the inner circular ring 7 are killed, the mosquitoes are killed in the smaller space by closing the mosquitoes, a small amount of insecticide can be effectively killed, on one hand, the using amount of the insecticide is reduced, and on the other hand, the pollution to the air inside the park is reduced.

In this embodiment, preferably, a partition plate 10 is disposed at the bottom of the lamp shade 9, the top end of the support base 2 penetrates through the partition plate 10, the support base 2 is fixedly connected with the partition plate 10, a bulb 12 is fixedly mounted at the top end of the support base 2, and the partition plate 10 is made of a transparent material; the bulb 12 is separated from the mosquitoes by a partition 10 to prevent the mosquitoes from entering the lampshade 9.

In this embodiment, preferably, the driving mechanism includes a motor 13 and an inner gear ring 15, the motor 13 is fixedly installed inside the supporting seat 2, a gear 14 is fixedly installed at an output end of the motor 13, the inner gear ring 15 is fixedly installed on an inner wall of the rotating ring 3, and the gear 14 is engaged with the inner gear ring 15; the output end of the motor 13 drives the gear 14 to rotate, and when the gear 14 rotates, the internal gear 14 is driven to rotate, so that the rotating ring 3 is driven to rotate.

Referring to fig. 5 to 9, in the embodiment of the present invention, a supporting plate 6 is disposed at the top end of the rotating disc 4, the bottom wall of the supporting plate 6 is attached to the top wall of the rotating disc 4, the supporting seat 2 penetrates through the supporting plate 6, the supporting seat 2 is fixedly connected to the supporting plate 6, a plurality of first through holes 401 are disposed on the rotating disc 4, a second through hole 601 is disposed on the supporting plate 6, the plurality of first through holes 401 are distributed in an annular array with the axis of the rotating disc 4 as the array center, 8 first through holes 401 are disposed, 1 second through hole 601 is disposed, the distance between the first through holes 401 and the axis of the rotating disc 4 is equal to the distance between the second through hole 601 and the axis of the rotating disc 4, a plurality of pesticide spraying mechanisms are disposed, wherein a transparent plate 5 is fixedly disposed in a part of the first through holes 401, and a plurality of pesticide spraying mechanisms are disposed below the rest part of the first through holes 401, the transparent plate 5 and the medicine spraying mechanism are alternately arranged, when the bottom end of the second through hole 601 is the transparent plate 5, the first window 701 is communicated with the second window 801, and when the bottom end of the second through hole 601 is the medicine spraying mechanism, the first window 701 is not communicated with the second window 801.

In this embodiment, it is preferred that the transparent plate 5 is provided with the pattern to when making light pass transparent plate 5, can throw the pattern on the transparent plate 5 subaerial, thereby improve the pleasing to the eye effect in park, only through the rotation of rotary disk 4, realized spouting medicine simultaneously, switched the pattern, cleared up multiple functions such as mosquito corpse, reduced manufacturing cost.

In this embodiment, preferably, the pesticide spraying mechanism includes a bottle body 11, the bottle body 11 is fixedly installed at the bottom end of the second through hole 601, an inner cavity of the bottle body 11 is communicated with the second through hole 601, a spray bottle 25 is fixedly installed in the bottle body 11, pesticide is filled in the spray bottle 25, the volume of the bottle body 11 is larger than that of the pesticide, so that killed mosquitoes can fall into the bottle body 11 for collection, and a button 26 is arranged at the top end of the spray bottle 25; pressing the button 26 causes the spray bottle 25 to spray insecticide.

In this embodiment, preferably, a plurality of scrapers 16 are fixedly mounted on the inner side wall of the inner ring 7, the number of the scrapers 16 is the same as that of the bottles 11, the plurality of scrapers 16 are respectively arranged right above the plurality of bottles 11, and the bottom wall of each scraper 16 is in contact with the top wall of the support plate 6; when the inner circular ring 7 rotates, the inner circular ring 7 drives the scraper 16 to rotate, and when the scraper 16 rotates to the upper side of the second through hole 601, the second through hole 601 is communicated with the bottle body 11, so that the mosquito corpse on the top wall of the supporting plate 6 is pushed into the bottle body 11 through the scraper 16, and the mosquito corpse is prevented from being stacked on the supporting plate 6.

Referring to fig. 5 to 10, in the embodiment of the present invention, a support cylinder 17 is fixedly installed on the scraper 16, a slide post 18 is installed in the support cylinder 17 in a sliding manner, the slide post 18 penetrates through the support cylinder 17, a limit ring 19 is sleeved on the slide post 18, the limit ring 19 is slidably disposed in the support cylinder 17, the limit ring 19 is elastically connected to the support cylinder 17 through a spring 20, the slide post 18 is located right above the button 26, and a pushing mechanism for driving the slide post 18 to move downward relative to the support cylinder 17 is disposed on the support base 2.

In this embodiment, preferably, the pushing mechanism includes a supporting rod 22, the supporting rod 22 is fixedly installed on the side wall of the supporting seat 2, a driving block 23 is fixedly installed at one end of the supporting rod 22 away from the supporting seat 2, an inclined surface is arranged on the bottom wall of the driving block 23, and the driving block 23 is located right above the second through hole 601; when the inner circular ring 7 rotates, the inner circular ring 7 drives the scraper 16 to rotate, the scraper 16 drives the support cylinder 17 to rotate when rotating, the support cylinder 17 drives the sliding column 18 to rotate when rotating, when the sliding column 18 is in contact with the driving block 23, the driving block 23 pushes the sliding column 18 to gradually move downwards along with the continuous movement of the sliding column 18, the sliding column 18 is inserted into the bottle body 11 when moving downwards, the bottom end of the sliding column 18 is gradually pressed on the button 26 to extrude the button 26, after the button 26 is extruded, the spraying bottle 25 sprays insecticide, the insecticide enters the inner circular ring 7 through the second through hole 601 to kill mosquitoes in the inner circular ring 7, along with the continuous movement of the scraper 16, the sliding column 18 is separated from the driving block 23, and under the elastic action of the spring 20, the sliding column 18 is driven to move upwards through the limiting ring 19, so that the sliding column 18 is reset.

In this embodiment, preferably, the supporting seat 2 is sleeved with a lamp strip 24, and the lamp strip 24 is located between the partition plate 10 and the supporting disk 6; the brightness inside the inner ring 7 can be increased through the lamp strip 24, so that mosquitoes can enter the inner ring 7 more easily.

In this embodiment, preferably, the top end of the slide column 18 is rotatably mounted with a ball 21, and the friction force generated when the slide column 18 moves relative to the driving block 23 can be reduced by the ball 21.

The working principle of the invention is as follows: when the mosquito killer is used at night, the rotating ring 3 is driven to rotate intermittently by the driving mechanism, so that the first window 701 and the second window 801 are communicated intermittently, when the first window 701 is communicated with the second window 801, mosquitoes in a park enter the inner circular ring 7 through the first window 701 and the second window 801 due to phototaxis, the rotating ring 3 is driven to rotate by the driving mechanism, so that the first window 701 and the second window 801 are not communicated, a closed space is formed in the inner circular ring 7, then, the insecticide is sprayed into the closed space through the insecticide spraying mechanism, so that the mosquitoes in the inner circular ring 7 are killed, and by killing the mosquitoes in a small space, a small amount of insecticide is required to kill the mosquitoes effectively, so that the using amount of the insecticide is reduced, and the pollution to the air in the park is reduced; when the inner ring 7 rotates, the inner ring 7 drives the scraper 16 to rotate, and when the scraper 16 rotates to the position above the second through hole 601, the second through hole 601 is communicated with the bottle body 11, so that the mosquito corpses on the top wall of the supporting plate 6 are pushed into the bottle body 11 through the scraper 16, and the mosquito corpses are prevented from being accumulated on the supporting plate 6; when the inner circular ring 7 rotates, the inner circular ring 7 drives the scraper 16 to rotate, the scraper 16 drives the support cylinder 17 to rotate when rotating, the support cylinder 17 drives the sliding column 18 to rotate when rotating, when the sliding column 18 is in contact with the driving block 23, the driving block 23 pushes the sliding column 18 to gradually move downwards along with the continuous movement of the sliding column 18, the sliding column 18 is inserted into the bottle body 11 when moving downwards, the bottom end of the sliding column 18 is gradually pressed on the button 26 to extrude the button 26, after the button 26 is extruded, the spraying bottle 25 sprays insecticide, the insecticide enters the inner circular ring 7 through the second through hole 601 to kill mosquitoes in the inner circular ring 7, along with the continuous movement of the scraper 16, the sliding column 18 is separated from the driving block 23, and under the elastic action of the spring 20, the sliding column 18 is driven to move upwards through the limiting ring 19, so that the sliding column 18 is reset; through being provided with the pattern on transparent plate 5 for when light passed transparent plate 5, can throw the pattern on the transparent plate 5 subaerial, thereby improve the pleasing to the eye effect in park, only through the rotation of rotary disk 4, realized simultaneously spouting medicine, switching pattern, clearance mosquito corpse multiple functions such as corpse, reduced manufacturing cost.

Claims (9)

1. The utility model provides an online monitoring lighting device is used in park, includes lamp pole and lamp shade, the top fixed mounting of lamp pole has supporting seat, its characterized in that: the utility model discloses a lamp shade, including a supporting seat, a lamp shade, an outer ring, an inner ring, a plurality of first windows, a plurality of second windows, be provided with the actuating mechanism who is used for driving rotatory ring rotation in the supporting seat, the cover is equipped with rotatory ring on the supporting seat, the top fixed mounting of rotatory ring has the rotary disk, the supporting seat runs through the rotary disk, the top fixed mounting of rotary disk has inner ring, the top of rotary disk with lamp shade fixed connection, the bottom fixed mounting of lamp shade has an outer ring, outer ring with inner ring rotates to be connected, just the inner wall of outer ring with the outer wall of inner ring laminates mutually, a plurality of first windows have been seted up on the inner ring, a plurality of second windows have been seted up on the outer ring, be provided with the actuating mechanism who is used for driving rotatory ring rotation in the supporting seat, the bottom of rotary disk is provided with and is used for spouting the medicine mechanism to spraying to inner ring inside.

2. An on-line monitoring illumination device for parks, as claimed in claim 1, wherein: the bottom of lamp shade is provided with the baffle, the top of supporting seat runs through the baffle, just the supporting seat with baffle fixed connection, the top fixed mounting of supporting seat has the bulb.

3. An on-line monitoring illumination device for parks, as claimed in claim 1, wherein: the driving mechanism comprises a motor and an inner gear ring, the motor is fixedly installed inside the supporting seat, a gear is fixedly installed at the output end of the motor, the inner gear ring is fixedly installed on the inner wall of the rotating ring, and the gear is meshed with the inner gear ring.

4. An on-line monitoring illumination device for parks, as claimed in claim 2, wherein: the top of rotary disk is provided with the supporting disk, the diapire of supporting disk with the roof of rotary disk is laminated mutually, the supporting seat runs through the supporting disk, just the supporting seat with supporting disk fixed connection, a plurality of first through-holes have been seted up on the rotary disk, the second through-hole has been seted up on the supporting disk, spouts medicine mechanism and is provided with a plurality ofly, and fixed mounting has the transparent plate in one of them part first through-hole, and a plurality ofly spouts medicine mechanism and sets up respectively in the below of all the other part first through-holes, the transparent plate with spout medicine mechanism and set up in turn, when the bottom of second through-hole was the transparent plate, first window and second window were linked together, when the bottom of second through-hole was for spouting medicine mechanism, first window and second window were not communicated.

5. An on-line monitoring illumination device for parks, as claimed in claim 4, wherein: the pesticide spraying mechanism comprises a bottle body, the bottle body is fixedly installed at the bottom end of the second through hole, an inner cavity of the bottle body is communicated with the second through hole, a spraying bottle is fixedly installed in the bottle body, and a button is arranged at the top end of the spraying bottle.

6. An on-line monitoring illumination device for parks, as claimed in claim 5, wherein: the inside wall fixed mounting of interior ring has a plurality of scrapers, and the quantity of scraper blade is the same with the quantity of bottle, and is a plurality of the scraper blade sets up directly over a plurality of bottles respectively, and the diapire of scraper blade contacts with the roof of supporting disk.

7. An on-line monitoring illumination device for parks, as claimed in claim 6, wherein: the improved structure of the sliding support is characterized in that a supporting cylinder is fixedly mounted on the scraper, a sliding column is slidably mounted in the supporting cylinder and penetrates through the supporting cylinder, a limiting ring is sleeved on the sliding column and slidably arranged in the supporting cylinder, the limiting ring is elastically connected with the supporting cylinder through a spring, the sliding column is located right above the button, and a pushing mechanism used for driving the sliding column to move downwards relative to the supporting cylinder is arranged on the supporting seat.

8. An on-line monitoring illumination device for parks, as claimed in claim 7, wherein: the pushing mechanism comprises a supporting rod, the supporting rod is fixedly installed on the side wall of the supporting seat, a driving block is fixedly installed at one end, away from the supporting seat, of the supporting rod, the bottom wall of the driving block is provided with an inclined plane, and the driving block is located right above the second through hole.

9. An on-line monitoring illumination device for parks, as claimed in claim 4, wherein: the supporting seat is sleeved with a lamp strip, and the lamp strip is located between the partition plate and the supporting plate.

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