Livestock-raising wisdom fan and control system of humiture based on thing networking

文档序号:85501 发布日期:2021-10-08 浏览:19次 中文

阅读说明:本技术 一种基于物联网的畜牧养殖智慧风机及温湿度的控制系统 (Livestock-raising wisdom fan and control system of humiture based on thing networking ) 是由 朱莹 梁梦颖 刘荣敏 陈哲涛 刘张韵 吴雨薇 于 2021-07-14 设计创作,主要内容包括:本发明公开了一种基于物联网的畜牧养殖智慧风机及温湿度的控制系统,属于畜牧养殖领域。一种基于物联网的畜牧养殖智慧风机及温湿度的控制系统,包括养殖舍本体,养殖舍本体内壁呈对称结构开设有多个通风口,养殖舍本体内部上端固设有导杆,套块前端设有螺栓,套块下端固设有安装架,安装架下端一侧固设有限位杆,养殖舍本体内部下端两侧呈对称结构开设有多个刻度线。本发明通过设置加热板A和加热板B能够有效的对养殖舍本体内部进行加热,通过控制电机能够带动丝杆从而控制加热板A和加热板B的高度,进而能够控制养殖舍本体下层的温度,从而能够为不同阶段的禽类进行加热,本发明设计合理,能够有效的控制养殖舍本体内的温度。(The invention discloses an Internet of things-based livestock breeding smart fan and a temperature and humidity control system, and belongs to the field of livestock breeding. The utility model provides a control system of livestock-raising wisdom fan and humiture based on thing networking, is including breeding the house body, breeds house body inner wall and is symmetrical structure and has seted up a plurality of vents, breeds the inside upper end of house body and has set firmly the guide arm, and the lagging front end is equipped with the bolt, and the lagging lower extreme has set firmly the mounting bracket, and mounting bracket lower extreme one side has set firmly the gag lever post, breeds the inside lower extreme both sides of house body and is symmetrical structure and has seted up a plurality of scale marks. According to the poultry house, the heating plate A and the heating plate B are arranged, so that the interior of the poultry house body can be effectively heated, the motor can be controlled to drive the screw rod, the heights of the heating plate A and the heating plate B are controlled, the temperature of the lower layer of the poultry house body can be controlled, and poultry at different stages can be heated.)

1. The utility model provides a control system of livestock-raising wisdom fan and humiture based on thing networking, includes breed house body (1), its characterized in that: breed and give up body (1) inner wall and be symmetrical structure and seted up a plurality of vent (2), breed and give up body (1) inside upper end and set firmly guide arm (3), guide arm (3) outer wall cover is equipped with ferrule (4), ferrule (4) inner wall and guide arm (3) outer wall sliding contact, ferrule (4) front end is equipped with bolt (5), ferrule (4) lower extreme sets firmly mounting bracket (6), mounting bracket (6) middle part is equipped with motor (7), motor (7) lower extreme sets firmly lead screw (8), mounting bracket (6) lower extreme one side sets firmly gag lever post (9), lead screw (8) lower extreme runs through hot plate A (10) upper end and extends to its downside and rather than threaded connection, gag lever post (9) lower extreme runs through hot plate A (10) upper end and extends to its downside and rather than sliding contact, mounting bracket (6) lower extreme sets firmly hot plate A (10), the upper end of the heating plate A (10) is symmetrically provided with two sliding grooves (11), a sliding block (12) is arranged in each sliding groove (11), the upper end of each sliding block (12) is fixedly provided with a heating plate B (13), each sliding block (12) is in sliding connection with the corresponding sliding groove (11), and the lower end of each heating plate B (13) is in sliding contact with the upper end of the corresponding heating plate A (10);

the breeding house comprises a breeding house body (1), wherein a plurality of movable grooves (14) are formed in the left side and the right side of the interior of the breeding house body (1), a lime frame (15) is arranged in each movable groove (14), door plates (16) are hinged to the upper side and the lower side of the front end of each lime frame (15), two springs (17) are arranged at the rear end of each lime frame (15) in a symmetrical structure, the outer wall of each lime frame (15) is in sliding contact with the inner wall of the lower side of each movable groove (14), the tail ends of the springs (17) are fixedly connected with the inner wall of each movable groove (14), each lime frame (15) is of a net-shaped structure, a sealing plate (18) is arranged on the front side of the interior of each movable groove (14), a thermal expansion plate is arranged at one end, far away from the springs (17), of each lime frame (15), the edge of one end, far away from each lime frame (15), of each thermal expansion plate is in smooth transition treatment, a plurality of inclined flexible strips are arranged at equal intervals at one end, facing a heating plate B (13) or a heating plate A (10), the inclination direction of the flexible strip is towards the ground, and when the sleeve block (4) moves on the guide rod (3) and stops to a partial position, the outermost end of the thermal expansion plate can partially block the descending path of the heating plate B (13) or the heating plate A (10);

breed house body (1) inner wall downside and be symmetrical structure and be equipped with a plurality of temperature sensor (19), breed house body (1) inner wall upside and be symmetrical structure and be equipped with a plurality of humidity transducer (20), breed house body (1) lower extreme both sides and seted up a plurality of basin (21), the inside upside of basin (21) is equipped with filter screen (22), the inside one side of basin (21) is inlayed and is equipped with apron (23), breed house body (1) inside lower extreme both sides and be symmetrical structure and seted up a plurality of scale marks (24).

2. The livestock breeding intelligent fan and temperature and humidity control system based on the Internet of things according to claim 1, characterized in that: the tail end of the bolt (5) penetrates through the front end of the sleeve block (4) to extend into the sleeve block and is in extrusion contact with the outer wall of the guide rod (3).

3. The livestock breeding intelligent fan and temperature and humidity control system based on the Internet of things according to claim 1, characterized in that: heating wires are arranged in the heating plate A (10) and the heating plate B (13).

4. The livestock breeding intelligent fan and temperature and humidity control system based on the Internet of things according to claim 1, characterized in that: the sealing plate (18) is limited in the movable groove (14) and is in sliding contact with the inner wall of the movable groove, and the size of the sealing plate (18) is larger than that of the lime frame (15).

5. The livestock breeding intelligent fan and temperature and humidity control system based on the Internet of things according to claim 1, characterized in that: one end of the cover plate (23) is limited on the inner wall of the water tank (21) and is in sliding contact with the water tank, the temperature sensor (19) is connected with an external display mechanism, and the humidity sensor (20) is connected with the external display mechanism.

Technical Field

The invention relates to the field of livestock breeding, in particular to an Internet of things-based intelligent fan for livestock breeding and a temperature and humidity control system.

Background

The breeding industry is one of the main components of agriculture, and is combined with the planting industry as two major pillars for agricultural production. The breeding industry mainly comprises livestock and poultry breeding industries of cattle, pigs, sheep, chickens, ducks, geese, rabbits and the like and wild economic animal domestication industries of deer, minks and the like. It not only provides raw materials for textile, grease, food, pharmaceutical and other industries, but also provides rich food such as meat, milk, eggs, poultry and the like for people's lives, and provides work-draught animals and manure for agriculture. Wherein, when poultry such as chicken, duck and the like are bred, the temperature and the humidity in the breeding house need to be strictly controlled so as to facilitate the growth of the poultry. Patent document that publication number is CN112393350A among the prior art provides a control system of poultry farming wisdom fan and humiture based on thing networking, and the device can be convenient for heat and cool down in breeding the house through setting up humidification device, though the device beneficial effect is more, nevertheless still exists following problem: when the weather is cold, the device is not convenient for control the temperature in breeding the house as required to cool down through the mode of humidification and make and breed easy moist in the house, thereby induce the poult disease, cause the unnecessary loss.

In addition, humidity regulation is realized by manually spreading lime powder in the existing poultry shed, for example, CN108739640A relates to a technical scheme for preventing respiratory tract infection of poultry, and the humidity environment of the breathing air of poultry is regulated by quick lime, but the selection of lime spreading time needs to be manually performed and the operation needs to be manually performed after the lime spreading time is selected, which easily stains the palm of the user.

In view of this, we provide an livestock breeding wisdom fan and temperature and humidity control system based on thing networking.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide an Internet of things-based livestock breeding intelligent fan and a temperature and humidity control system, so as to solve the problems in the background technology.

2. Technical scheme

A livestock-raising intelligent fan and temperature and humidity control system based on the Internet of things comprises a breeding house body, wherein a plurality of ventilation openings are formed in the inner wall of the breeding house body in a symmetrical structure, a guide rod is fixedly arranged at the upper end inside the breeding house body, a sleeve block is sleeved on the outer wall of the guide rod, the inner wall of the sleeve block is in sliding contact with the outer wall of the guide rod, a bolt is arranged at the front end of the sleeve block, a mounting frame is fixedly arranged at the lower end of the sleeve block, a motor is arranged in the middle of the mounting frame, a lead screw is fixedly arranged at the lower end of the motor, a limiting rod is fixedly arranged on one side of the lower end of the mounting frame, the lower end of the lead screw penetrates through the upper end of a heating plate A to extend to the lower side of the heating plate A and is in threaded connection with the heating plate A, the lower end of the limiting rod penetrates through the upper end of the heating plate A to extend to the lower side of the heating plate A and is in sliding contact with the heating plate A, a heating plate A is symmetrically provided with two sliding grooves, a sliding block is arranged in the sliding groove, a heating plate B is fixedly arranged at the upper end of the sliding block, the sliding block is connected with the sliding groove in a sliding mode, and the lower end of the heating plate B is in sliding contact with the upper end of the heating plate A;

a plurality of movable grooves are arranged on the left side and the right side of the interior of the breeding house body, a lime frame is arranged in each movable groove, the upper and lower sides of the front end of the lime frame are hinged with door plates, the rear end of the lime frame is provided with two springs in a symmetrical structure, the outer wall of the lime frame is in sliding contact with the inner wall of the lower side of the movable groove, the tail end of the spring is fixedly connected with the inner wall of the movable groove, the lime frame is of a net structure, the sealing plate is arranged on the front side inside the movable groove, one end of the lime frame far away from the spring is provided with a thermal expansion plate, the edge of one end of the thermal expansion plate far away from the lime frame is subjected to smooth transition treatment, one end of the thermal expansion plate facing the heating plate B or the heating plate A is provided with a plurality of inclined flexible strips at equal intervals, and the inclination direction of the flexible strip is towards the ground, when the sleeve block moves on the guide rod and stops to a partial position, the outermost end of the thermal expansion plate may partially block the descending path of the heating plate B or the heating plate a;

breed house body inner wall downside and be symmetrical structure and be equipped with a plurality of temperature sensor, breed house body inner wall upside and be symmetrical structure and be equipped with a plurality of humidity transducer, breed house body lower extreme both sides and seted up a plurality of basins, the inside upside of basin is equipped with the filter screen, the apron has been inlayed to inside one side of basin, breed the inside lower extreme both sides of house body and be symmetrical structure and seted up a plurality of scale marks.

The tail end of the bolt penetrates through the front end of the sleeve block, extends into the sleeve block and is in extrusion contact with the outer wall of the guide rod.

Heating wires are arranged inside the heating plate A and the heating plate B.

The sealing plate is limited in the movable groove and in sliding contact with the inner wall of the movable groove, and the size of the sealing plate is larger than that of the lime frame.

One end of the cover plate is limited on the inner wall of the water tank and is in sliding contact with the water tank, the temperature sensor is connected with an external display mechanism, and the humidity sensor is connected with the external display mechanism.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. according to the invention, through the lime frame with the spring and the thermal expansion plate in the special structural design, in the operation environment needing heating and dehumidification, the shaking and blanking of the lime frame can be completed in the heating process without manually shaking the lime frame.

2. According to the poultry house, the heating plate A and the heating plate B are arranged, so that the interior of the poultry house body can be effectively heated, the temperature of the lower side of the poultry house body can be effectively monitored by connecting the arranged temperature sensor with an external display mechanism, workers can drive the screw rod through the control motor so as to control the heights of the heating plate A and the heating plate B, and further the temperature of the lower layer of the poultry house body can be controlled, so that poultry at different stages can be heated.

3. According to the poultry breeding house, the guide rod is arranged, so that the heating plate A and the heating plate B can move on the guide rod, so that different positions in the poultry breeding house can be accurately heated, moisture in the poultry breeding house body can be absorbed by the quick lime in the lime frame when the humidity of the lime frame is too high in plum rain weather or air, poultry diseases caused by too high humidity can be avoided, the quick lime can be sealed in the movable groove when the quick lime is not needed to be used through the arranged sealing plate, and the influence of dampness on the quick lime is avoided.

4. According to the invention, through the arranged water tank, the interior of the breeding house body needs to be humidified due to air drying in winter, at the moment, the cover plate is opened to inject water into the water tank, when the heating plate A and the heating plate B are heated, the moisture in the water tank volatilizes, so that the interior of the breeding house body can be effectively humidified, meanwhile, the size of the upper side of the water tank can be controlled through the arranged scale marks when the cover plate is moved, so that the volatilization speed of the moisture is changed, the control of a worker is facilitated, and the worker can observe the humidity in the breeding house body conveniently through the connection of the arranged humidity sensor and an external display mechanism.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of the guide bar of the present invention;

FIG. 3 is a schematic view of a portion of the chute of the present invention;

FIG. 4 is a schematic view of a partial structure of a lime frame according to the present invention;

the reference numbers in the figures illustrate: 1. a breeding house body; 2. a vent; 3. a guide bar; 4. sleeving blocks; 5. a bolt; 6. a mounting frame; 7. a motor; 8. a screw rod; 9. a limiting rod; 10. heating a plate A; 11. a chute; 12. A slider; 13. heating a plate B; 14. a movable groove; 15. a lime frame; 16. a door panel; 17. a spring; 18. A sealing plate; 19. a temperature sensor; 20. a humidity sensor; 21. a water tank; 22. filtering with a screen; 23. a cover plate; 24. scale lines are marked.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

a livestock-raising wisdom fan and temperature and humidity control system based on thing networking, includes breeds house body 1, breed house body 1 inner wall and be the symmetrical structure and seted up a plurality of vents 2, breed house body 1 inside upper end and set firmly guide arm 3, guide arm 3 outer wall cover is equipped with lantern ring 4, lantern ring 4 inner wall and guide arm 3 outer wall sliding contact, lantern ring 4 front end is equipped with bolt 5, the lower extreme of lantern ring 4 sets firmly mounting bracket 6, mounting bracket 6 middle part is equipped with motor 7, the lower extreme of motor 7 sets firmly lead screw 8, 6 lower extreme one side of mounting bracket sets firmly gag lever post 9, lead screw 8 lower extreme runs through hot plate A10 upper end and extends to its downside and rather than threaded connection, gag lever post 9 lower extreme runs through hot plate A10 upper end and extends to its downside and rather than sliding contact, 6 lower extreme sets firmly hot plate A10, the upper end of the heating plate A10 is symmetrically provided with two sliding grooves 11, a sliding block 12 is arranged in each sliding groove 11, the upper end of each sliding block 12 is fixedly provided with a heating plate B13, each sliding block 12 is in sliding connection with the corresponding sliding groove 11, and the lower end of each heating plate B13 is in sliding contact with the upper end of the corresponding heating plate A10;

the breeding house comprises a breeding house body 1, a plurality of movable grooves 14 are formed in the left side and the right side of the interior of the breeding house body 1, a lime frame 15 is arranged in each movable groove 14, door plates 16 are hinged to the upper side and the lower side of the front end of each lime frame 15, two springs 17 are arranged at the rear end of each lime frame 15 in a symmetrical structure, the outer wall of each lime frame 15 is in sliding contact with the inner wall of the lower side of each movable groove 14, the tail ends of the springs 17 are fixedly connected with the inner wall of each movable groove 14, each lime frame 15 is of a net-shaped structure, a sealing plate 18 is arranged on the front side of the interior of each movable groove 14, a thermal expansion plate is arranged at one end, far away from the springs 17, of each lime frame 15, the edge of one end, far away from the corresponding lime frame 15, of each thermal expansion plate is subjected to smooth transition treatment, a plurality of inclined flexible strips are arranged at equal intervals at one end, facing a heating plate B13 or A10, the inclined direction of each flexible strip faces the ground, and when a sleeve block 4 moves on a guide rod 3 and stops to a partial position, the outermost end of the thermal expansion plate may partially block the descending path of heating plate B13 or heating plate a 10.

Breed 1 inner wall downside of house body and be symmetrical structure and be equipped with a plurality of temperature sensor 19, breed 1 inner wall upside of house body and be symmetrical structure and be equipped with a plurality of humidity transducer 20, breed 1 lower extreme both sides of house body and seted up a plurality of basins 21, the inside upside of basin 21 is equipped with filter screen 22, the apron 23 is inlayed to the inside one side of basin 21, breed 1 inside lower extreme both sides of house body and be symmetrical structure and seted up a plurality of scale marks 24.

Specifically, the inner wall of the sleeve block 4 is in sliding contact with the outer wall of the guide rod 3, and the tail end of the bolt 5 penetrates through the front end of the sleeve block 4 and extends into the sleeve block and is in extrusion contact with the outer wall of the guide rod 3. The sleeve block 4 which is arranged can move on the guide rod 3 to change the positions of the heating plate A10 and the heating plate B13, so that the different positions in the breeding house can be accurately heated.

Further, the lower end of the screw rod 8 penetrates through the upper end of the heating plate A10 to extend to the lower side of the heating plate A10 and is in threaded connection with the heating plate A10, and the lower end of the limiting rod 9 penetrates through the upper end of the heating plate A10 to extend to the lower side of the heating plate A10 and is in sliding contact with the heating plate A10. The height of the heating plate A10 and the height of the heating plate B13 can be adjusted by rotating the screw rod 8, so that the temperature in the breeding house body 1 can be effectively controlled.

Further, the sliding block 12 is slidably connected to the sliding groove 11, the lower end of the heating plate B13 is slidably contacted with the upper end of the heating plate a10, and the heating wires are disposed inside the heating plate a10 and the heating plate B13.

Furthermore, the outer wall of the lime frame 15 is in sliding contact with the inner wall of the lower side of the movable groove 14, the tail end of the spring 17 is fixedly connected with the inner wall of the movable groove 14, and the lime frame 15 is of a net structure. When plum rain weather, the phenomenon of getting damp can appear on ground, breed the humidity in the house body 1 great when getting damp, the poultry easily produces diseases such as coccidiosis, the staff can open the 14 downside of activity groove through upwards pulling closing plate 18 this moment, stretches out in activity groove 14 can be followed to lime frame 15 under spring 17's effect, quick lime in lime frame 15 can effectually will breed the moisture absorption in the house body 1, and then guarantees to breed the inside dry of house body 1.

It should be noted that the sealing plate 18 is limited inside the movable groove 14 and is in sliding contact with the inner wall thereof, and the size of the sealing plate 18 is larger than that of the lime frame 15. The lime frame 15 is sealed in the movable groove 14 when the interior of the breeding house body 1 is humidified by the arranged sealing plate 18, so that the influence of moisture on the quicklime is avoided.

It should be noted that one end of the cover plate 23 is limited on the inner wall of the water tank 21 and is in sliding contact with the water tank, the temperature sensor 19 is connected with an external display mechanism, and the humidity sensor 20 is connected with the external display mechanism. Open apron 23 to the inside water injection of basin 21, when hot plate A10 and hot plate B13 heat, the moisture in the basin 21 volatilizees and can be effectual to the inside humidification of breed house body 1, and the scale mark 24 through setting up can be when removing apron 23 simultaneously, control basin 21 upside size, and then change moisture volatilization rate, the staff's control of being convenient for.

When the device is required to work, the electric heating wire can generate heat by being connected with an external control mechanism, and then the temperature in the breeding house can be increased, wherein the motor 7 is connected with the external control mechanism, the heating plate A10 can be driven to descend through the screw rod 8 when the motor rotates, and then the heating plate B13 descends, the air temperature around the poultry can be closer to the poultry after the heating plate A10 and the heating plate B13 descend, and the temperature in the breeding house body 1 can be effectively controlled by adjusting the heights of the heating plate A10 and the heating plate B13 through the rotating screw rod 8 due to the fact that the required temperatures of the poultry in different periods are different, the temperature of the lower side of the breeding house body 1 can be effectively monitored through the connection of the arranged temperature sensor 19 and the external display mechanism, when the poultry grow up, the worker needs to enlarge the breeding area, and then the number of the poultry in unit area is ensured, make poultry can better growth, can make two hot plate B13 expand to both sides increase the heating area through the slider 12 that sets up removes in spout 11 this moment, avoid the undersized poultry of heating area to pile up the gathering and lead to the fact that partial poultry is pressed to death's condition to take place, make hot plate A10 and hot plate B13 can be applicable to the environment of variation in size through this setting, and can shrink hot plate B13 to hot plate A10 when not needing to use, thereby reduce the area occupied, wherein in plum rain weather or when the humidity is great in breeding house body 1, the phenomenon of getting damp can appear on the ground, humidity in breeding house body 1 is great when getting damp, poultry easily produces diseases such as coccidiosis, the staff can open movable slot 14 downside through upwards pulling closing plate 18 at this moment, lime frame 15 can stretch out from movable slot 14 under the effect of spring 17, make and remove about the hot plate and descend to suitable position above lime frame 15 after following through following design The line automatically rocks and spills lime without manual operation: a thermal expansion plate is arranged at one end of the lime frame 15 far away from the spring 17, the edge of one end of the thermal expansion plate far away from the lime frame 15 is smoothly transited, a plurality of inclined flexible strips are arranged at equal intervals at one end of the thermal expansion plate towards the heating plate B13 or the heating plate A10, the inclined direction of the flexible strips is towards the ground, when the sleeve block 4 moves on the guide rod 3 and stops to a partial position, the outermost end of the thermal expansion plate can partially block the descending path of the heating plate B13 or the heating plate A10, specifically the heating plate B13 or the heating plate A10 which descends causes the expansion and elongation of the thermal expansion plate, so as to touch the heating plate B13 or the heating plate A10, the lime frame 15 shakes itself during the touch, and the inclined direction of the flexible strips is towards the ground, so that the heating plate B13 or the heating plate A10 drives the thermal expansion plate to periodically shake, the quicklime is effectively scattered.

The quick lime in the lime frame 15 can quickly and effectively absorb the moisture in the breeding house body 1, so as to ensure the interior of the breeding house body 1 to be dry, the two door plates 16 are arranged on the lime frame 15, so that a worker can conveniently take out the wet quick lime and replace the wet quick lime with new quick lime, the lime frame 15 is sealed in the movable groove 14 when the interior of the breeding house body 1 needs to be humidified through the arranged sealing plate 18, the influence of the quick lime on wetting is avoided, wherein in winter, the interior of the breeding house body 1 needs to be humidified due to air drying, at the moment, the cover plate 23 is opened to inject water into the water tank 21, when the heating plate A10 and the heating plate B13 are heated, the moisture in the water tank 21 volatilizes, so that the interior of the breeding house body 1 can be effectively humidified, and meanwhile, when the cover plate 23 is moved through the arranged scale mark 24, the volatilization area size on the upper side of the water tank 21 is controlled, and then change the moisture volatilization speed, the staff control of being convenient for is connected with outside display mechanism through the humidity transducer 20 that sets up and can be convenient for the staff to observe the inside humidity of breed house body 1, wherein can avoid excrement and urine to fall the clearance of being not convenient for in the basin through the filter screen that sets up.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

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