阅读说明：本技术 一种智能自适应游泳训练系统 (Intelligent self-adaptive swimming training system ) 是由 钟然标 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种智能自适应游泳训练系统。本发明包括：游泳池,所述游泳池的一侧内壁上固定安装有红外距离传感器,所述游泳池的一侧固定安装有两个变频冲浪泵,两个所述变频冲浪泵均与红外距离传感器相适配,两个所述变频冲浪泵的出水管均固定安装在游泳池内,两个所述变频冲浪泵的进水管上均固定连接有循环管,两个所述循环管设置在游泳池的两侧并固定安装连接游泳池内,本发明结构合理,游泳训练系统中可提供的训练条件丰富,游泳池的功能更加完善,可以满足不同的训练需求,且提高了训练效率,解决了现有的游泳训练系统中可提供的训练条件单一,无法满足不同的训练需求,且训练效率较低的问题。(The invention discloses an intelligent self-adaptive swimming training system. The invention comprises the following steps: the swimming pool comprises a swimming pool, wherein an infrared distance sensor is fixedly installed on the inner wall of one side of the swimming pool, two variable-frequency surfing pumps are fixedly installed on one side of the swimming pool, the two variable-frequency surfing pumps are matched with the infrared distance sensor, water outlet pipes of the two variable-frequency surfing pumps are fixedly installed in the swimming pool, circulating pipes are fixedly connected to water inlet pipes of the two variable-frequency surfing pumps, and the two circulating pipes are arranged on two sides of the swimming pool and fixedly installed and connected in the swimming pool.)

1. An intelligent adaptive swim training system, comprising: swimming pool (1), fixed mounting has infrared distance sensor (2) on the one side inner wall of swimming pool (1), one side fixed mounting of swimming pool (1) has two frequency conversion surfing pump (3), two frequency conversion surfing pump (3) all with infrared distance sensor (2) looks adaptation, two the equal fixed mounting of outlet pipe of frequency conversion surfing pump (3) is in swimming pool (1), two equal fixedly connected with circulating pipe (4) on the inlet tube of frequency conversion surfing pump (3), two circulating pipe (4) set up in the both sides of swimming pool (1) and fixed mounting connection swimming pool (1), one side fixed mounting of swimming pool (1) has rose box (5), rose box (5) are linked together with swimming pool (1), all fixedly connected with ultraviolet ray disinfection lamp plate (6) on the both sides inner wall of rose box (5), one side fixed mounting of rose box (5) has circulating water pump (7), one side fixed mounting of circulating water pump (7) has purification box (8), one side of purification box (8) is installed apron (9), be equipped with the buckle unit on apron (9), buckle unit and purification box (8) looks adaptation, one side fixed mounting of apron (9) has a plurality of filter cores (10), and a plurality of filter cores (10) are all installed in purification box (8), one side fixed mounting of purification box (8) has constant temperature heater (11), fixed mounting has hot spring machine (12) on constant temperature heater (11), hot spring machine (12) are connected with swimming pool (1), the mounting hole has been seted up at the top of rose box (5), fixed mounting has discharging pipe (13) in the mounting hole, one side fixed mounting of discharging pipe (13) has row material pipe (14), one side fixedly connected with of rose box (5) collects box (15), it is located the bottom of row material pipe (14) to collect box (15), first auger delivery pole (16) is installed to discharging pipe (13) internal rotation, the bottom of first auger delivery pole (16) is rotated and is installed the bottom at rose box (5), the top fixed mounting of rose box (5) has workbin (17), the material hole has been seted up to the bottom of workbin (17), the material hole is linked together with rose box (5), workbin (17) internal fixed mounting has the control box, second auger delivery pole (18) is installed in the control box internal rotation, the bottom of second auger delivery pole (18) is rotated and is installed the bottom at rose box (5), the equal fixed mounting in top of first auger delivery pole (16) and second auger delivery pole (18) has worm wheel (19), the top fixed mounting of rose box (5) has two connecting seats (20), two equal rotation is connected with dwang (21), two on connecting seat (20) the equal fixed mounting of one end that dwang (21) kept away from each other has worm (22), worm (22) and worm wheel (19) meshing that correspond, two the equal fixed mounting of one end that dwang (21) is close to each other has gear (23), two gear (23) mesh mutually, two one side fixed mounting of one of them gear (23) of gear (23) has first sprocket (24), the top fixed mounting of rose box (5) has motor (25), fixedly connected with second sprocket (26) on the output shaft of motor (25), second sprocket (26) and first sprocket (24) transmission are connected with same chain (27).

2. An intelligent self-adaptive swimming training system according to claim 1, wherein a rotating hole is formed in one side of the connecting seat (20), and the rotating rod (21) is rotatably connected in the rotating hole.

3. An intelligent adaptive swimming training system according to claim 1, wherein the inner wall of the bottom of the filter box (5) is provided with two auxiliary grooves, and the first spiral conveying rod (16) and the second spiral conveying rod (18) are rotatably connected in the two corresponding auxiliary grooves.

4. An intelligent adaptive swimming training system according to claim 1, wherein the buckle unit comprises two control panels (28), two clamping blocks (29), two screw rods (30), a transmission rod (32) and a control wheel (34), two fixing grooves are formed in one side of the cover plate (9), the control panels (28) are slidably connected in the corresponding fixing grooves, the clamping blocks (29) are installed on one side of the corresponding control panels (28), clamping grooves are formed in the inner walls of the two sides of the purification box (8), and one end of each clamping block (29) is connected in the corresponding clamping groove.

5. An intelligent adaptive swimming training system according to claim 4, wherein one side of each of the two control plates (28) is provided with a threaded hole, one inner wall of each of the two fixing grooves is provided with a same mounting hole, each of the two lead screws (30) is rotatably connected in the mounting hole, the lead screws (30) are threadedly mounted in the corresponding threaded holes, one ends of the two lead screws (30) close to each other are fixedly provided with first bevel gears (31), and one inner wall of each of the mounting holes is provided with a fixing hole.

6. An intelligent adaptive swimming training system according to claim 5, wherein the transmission rod (32) is rotatably connected in a fixed hole, one end of the transmission rod (32) is fixedly provided with a second bevel gear (33), the two first bevel gears (31) are both meshed with the second bevel gear (33), the other end of the transmission rod (32) is fixedly arranged on a control wheel (34), and the control wheel (34) is rotatably connected to one side of the cover plate (9).

7. An intelligent adaptive swimming training system according to claim 5, wherein two auxiliary seats are fixedly installed in the installation hole, round holes are formed in the two auxiliary seats, and the screw rod (30) is rotatably connected in the round holes.

8. An intelligent adaptive swimming training system according to claim 4, wherein a sliding block is fixedly installed on one side of the control panel (28), a sliding groove is formed in the inner wall of the fixing groove, and the sliding block is slidably connected in the sliding groove.

Technical Field

The invention relates to the technical field of swimming training equipment, in particular to an intelligent self-adaptive swimming training system.

Background

Swimming is one of the accepted best fitness exercises, more and more people begin to learn the exercise in recent years, even the exercise is developed towards professional athletes, the exercise has good exercise effect on heart, lung and circulatory system of a human body, aerobic endurance refers to the working capacity of carrying out aerobic energy supply for a long time, the load intensity is 75% -85% of the maximum load intensity of the human body, the heart rate is generally 140-170 times/minute, the time is at least 5 minutes, generally more than 15 minutes, and the swimming training can well exercise the aerobic endurance;

however, the existing swimming training system can provide a single training condition, cannot meet different training requirements, and has low training efficiency.

Disclosure of Invention

The invention aims to provide an intelligent self-adaptive swimming training system to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an intelligent adaptive swim training system, comprising: the swimming pool, fixed mounting has infrared distance sensor on one side inner wall of swimming pool, one side fixed mounting of swimming pool has two frequency conversion surfing pumps, two frequency conversion surfing pump all with infrared distance sensor looks adaptation, two the equal fixed mounting of outlet pipe of frequency conversion surfing pump is in the swimming pool, two equal fixedly connected with circulating pipe on the inlet tube of frequency conversion surfing pump, two the circulating pipe sets up in the both sides of swimming pool and fixed mounting connection swimming pool, one side fixed mounting of swimming pool has the rose box, the rose box is linked together with the swimming pool, equal fixedly connected with ultraviolet ray disinfection lamp plate on the both sides inner wall of rose box, one side fixed mounting of rose box has circulating water pump, one side fixed mounting of circulating water pump has the purification box, the apron is installed to one side of purification box, be equipped with the buckle unit on the apron, the buckle unit is matched with the purifying box, a plurality of filter elements are fixedly arranged on one side of the cover plate and are all arranged in the purifying box, a constant temperature heater is fixedly arranged on one side of the purifying box, a hot spring manufacturing machine is fixedly arranged on the constant temperature heater and is connected with the swimming pool, a mounting hole is formed in the top of the filtering box, a discharging pipe is fixedly arranged in the mounting hole, a discharging pipe is fixedly arranged on one side of the discharging pipe, a collecting box is fixedly connected to one side of the filtering box and is positioned at the bottom of the discharging pipe, a first spiral conveying rod is rotatably arranged in the discharging pipe, the bottom end of the first spiral conveying rod is rotatably arranged at the bottom of the filtering box, a material box is fixedly arranged at the top of the filtering box, a material hole is formed in the bottom of the material box and is communicated with the filtering box, a control box is fixedly arranged in the material box, a second spiral conveying rod is rotatably arranged in the control box, the bottom end of the second spiral conveying rod is rotatably arranged at the bottom of the filter box, worm wheels are fixedly arranged at the top ends of the first spiral conveying rod and the second spiral conveying rod, two connecting seats are fixedly arranged at the top of the filter box, rotating rods are rotatably connected to the two connecting seats, a worm is fixedly arranged at one end, away from each other, of the two rotating rods, the worm is meshed with the corresponding worm wheel, one end of each rotating rod, which is close to each other, is fixedly provided with a gear, the two gears are meshed with each other, one side of one gear of the two gears is fixedly provided with a first chain wheel, the top fixed mounting of rose box has the motor, fixedly connected with second sprocket on the output shaft of motor, second sprocket and first sprocket transmission are connected with same chain.

Furthermore, a rotating hole is formed in one side of the connecting seat, and the rotating rod is rotatably connected in the rotating hole.

Furthermore, two auxiliary grooves have been seted up on the bottom inner wall of rose box, first auger delivery pole and second auger delivery pole rotate to be connected in two auxiliary grooves that correspond, and first auger delivery pole and second auger delivery pole are at the auxiliary groove internal rotation, can promote its stability when rotating.

Further, the buckle unit includes two control panels, two fixture blocks, two lead screws, transfer line and control wheel, two fixed slots have been seted up to one side of apron, control panel sliding connection is in the fixed slot that corresponds, the fixture block is installed in one side of the control panel that corresponds, the draw-in groove has all been seted up on the both sides inner wall of purification box, the one end of fixture block is connected in the draw-in groove that corresponds, and the control panel drives the fixture block that corresponds and removes, fixture block roll-off draw-in groove, alright cancellation to the fixed restriction of apron.

Furthermore, threaded holes are formed in one side of the two control plates, one mounting hole is formed in the inner wall of one side of the fixing groove, the two lead screws are connected in the mounting holes in a rotating mode, the lead screws are installed in the corresponding threaded holes in a threaded mode, a first bevel gear is fixedly installed at one end, close to the lead screws, of the two lead screws, a fixing hole is formed in the inner wall of one side of the mounting hole, the first bevel gears drive the corresponding lead screws to rotate, and the lead screws drive the corresponding control plates to move.

Furthermore, the transmission rod is rotatably connected in the fixed hole, one end of the transmission rod is fixedly provided with a second bevel gear, the two first bevel gears are meshed with the second bevel gear, the other end of the transmission rod is fixedly arranged on the control wheel, the control wheel is rotatably connected to one side of the cover plate, the transmission rod drives the second bevel gear to rotate, and the second bevel gear drives the two first bevel gears to rotate.

Furthermore, two auxiliary seats are fixedly installed in the mounting hole, round holes are formed in the two auxiliary seats, and the screw rod is connected in the round holes in a rotating mode.

Further, one side fixed mounting of control panel has the slider, the spout has been seted up on the inner wall of fixed slot, slider sliding connection is in the spout, and the control panel drives the slider and slides in the spout when removing, can promote the stability of control panel when removing.

Compared with the prior art, the invention has the beneficial effects that:

the invention can drive the water in the swimming pool to circularly flow through two variable-frequency surfing pumps and convey the water to one side of the swimming pool to be flushed out, the water has influence on infrared distance induction, a wearable induction device is adopted, the inductor is arranged in a swimming cap or a swimming goggles, the distance of a human body is known through detecting the distance of the inductor, so that the water flow is adjusted, the water flow speed of the variable-frequency surfing pumps can be intelligently adjusted, and more suitable swimming resistance is provided for swimmers, the water in the swimming pool can be conveyed into the filter box by the circulating water pump, large-particle impurities in the water can be filtered and intercepted by the purification particles in the filter box, the filtered water enters the purification box through the conveying of the circulating water pump, a plurality of filter elements can purify fine impurities in the water, the purified water is conveyed into the constant-temperature heater to be heated, and the constant-temperature heater can adjust the water temperature suitable, then conveying the water into a hot spring manufacturing machine, conveying the artificial hot spring water into a swimming pool, driving a second chain wheel to rotate by a motor, driving a gear to rotate by a first chain wheel, driving another gear to rotate reversely by a gear, driving a corresponding worm to rotate by a rotating rod, driving a first spiral conveying rod and a second spiral conveying rod to rotate by two worm gears respectively, conveying the used purified particles in a filter box into a discharge pipe by the first spiral conveying rod, conveying the waste materials into a collection box by the discharge pipe, collecting the new purified particles in the material box, driving the new materials into the filter box by the second spiral conveying rod, keeping the filter box in a good filtering state all the time, rotating a control wheel, driving two first bevel gears to rotate by a second bevel gear, driving a corresponding clamping block to move by the control plate, sliding the clamping block out of a clamping groove, canceling the fixed limit on the cover plate, and facilitating the disassembly and replacement of the cover plate and the filter element, the swimming training system is reasonable in structure, rich in training conditions provided in the swimming training system, more complete in functions of the swimming pool, capable of meeting different training requirements, and capable of improving training efficiency, and solves the problems that the training conditions provided in the existing swimming training system are single, different training requirements cannot be met, and training efficiency is low.

Drawings

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

FIG. 2 is a schematic view of the structure of a filter box, a discharge pipe, a feed box, a first screw conveyor and a second screw conveyor of the present invention;

FIG. 3 is a schematic view of part A of the present invention;

FIG. 4 is a schematic structural view of part B of the present invention;

FIG. 5 is a schematic view of the structure of part C of the present invention.

Reference numerals: 1. a swimming pool; 2. an infrared distance sensor; 3. a variable frequency surfing pump; 4. a circulation pipe; 5. a filter box; 6. an ultraviolet disinfection lamp panel; 7. a water circulating pump; 8. a purification box; 9. a cover plate; 10. a filter element; 11. a constant temperature heater; 12. a hot spring manufacturing machine; 13. a discharge pipe; 14. a discharge pipe; 15. a collection box; 16. a first screw conveying rod; 17. a material box; 18. a second screw conveying rod; 19. a worm gear; 20. a connecting seat; 21. rotating the rod; 22. a worm; 23. a gear; 24. a first sprocket; 25. a motor; 26. a second sprocket; 27. a chain; 28. a control panel; 29. a clamping block; 30. a screw rod; 31. a first bevel gear; 32. a transmission rod; 33. a second bevel gear; 34. and (4) controlling the wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-5, wherein fig. 1 is a schematic front view of the present invention; FIG. 2 is a schematic view of the structure of a filter box, a discharge pipe, a feed box, a first screw conveyor and a second screw conveyor of the present invention; FIG. 3 is a schematic view of part A of the present invention; FIG. 4 is a schematic structural view of part B of the present invention; fig. 5 is a schematic structural diagram of part C of the present invention, and an intelligent adaptive swimming training system includes: swimming pool 1, fixed mounting has infrared distance sensor 2 on the inner wall of one side of swimming pool 1, one side fixed mounting of swimming pool 1 has two frequency conversion surfing pumps 3, two frequency conversion surfing pumps 3 all with infrared distance sensor 2 looks adaptation, two the equal fixed mounting of outlet pipe of frequency conversion surfing pump 3 is in swimming pool 1, two equal fixedly connected with circulating pipe 4 on the inlet tube of frequency conversion surfing pump 3, two circulating pipe 4 set up in the both sides of swimming pool 1 and fixed mounting connection swimming pool 1, one side fixed mounting of swimming pool 1 has rose box 5, rose box 5 is linked together with swimming pool 1, all fixedly connected with ultraviolet ray disinfection lamp plate 6 on the both sides inner wall of rose box 5, one side fixed mounting of rose box 5 has circulating water pump 7, one side fixed mounting of circulating water pump 7 has purification box 8, the purifying device is characterized in that a cover plate 9 is installed on one side of the purifying box 8, a buckle unit is arranged on the cover plate 9 and is matched with the purifying box 8, a plurality of filter elements 10 are fixedly installed on one side of the cover plate 9, the filter elements 10 are all installed in the purifying box 8, a constant temperature heater 11 is fixedly installed on one side of the purifying box 8, a hot spring manufacturing machine 12 is fixedly installed on the constant temperature heater 11 and is connected with the swimming pool 1, a mounting hole is formed in the top of the filtering box 5, a discharging pipe 13 is fixedly installed in the mounting hole, a discharging pipe 14 is fixedly installed on one side of the discharging pipe 13, a collecting box 15 is fixedly connected to one side of the filtering box 5, the collecting box 15 is located at the bottom of the discharging pipe 14, a first spiral conveying rod 16 is installed in the discharging pipe 13 in a rotating mode, and the bottom end of the first spiral conveying rod 16 is installed, the top fixed mounting of rose box 5 has workbin 17, the material hole has been seted up to the bottom of workbin 17, the material hole is linked together with rose box 5, fixed mounting has the control box in the workbin 17, rotate in the control box and install second auger delivery pole 18, the bottom of second auger delivery pole 18 is rotated and is installed in the bottom of rose box 5, the equal fixed mounting in top of first auger delivery pole 16 and second auger delivery pole 18 has worm wheel 19, and the top fixed mounting of rose box 5 has two connecting seats 20, two equal rotation is connected with dwang 21 on the connecting seat 20, two the equal fixed mounting in one end that dwang 21 kept away from each other has worm 22, worm 22 meshes with corresponding worm wheel 19, two the equal fixed mounting in one end that dwang 21 is close to each other has gear 23, two gear 23 meshes mutually, two one side fixed mounting of one of them gear 23 of gear 23 has first sprocket 24, the top of the filter box 5 is fixedly provided with a motor 25, an output shaft of the motor 25 is fixedly connected with a second chain wheel 26, and the second chain wheel 26 and the first chain wheel 24 are in transmission connection with a same chain 27.

A rotating hole is formed in one side of the connecting seat 20, and the rotating rod 21 is rotatably connected in the rotating hole.

Two auxiliary grooves are formed in the inner wall of the bottom of the filter box 5, the first spiral conveying rod 16 and the second spiral conveying rod 18 are rotatably connected into the two corresponding auxiliary grooves, and the first spiral conveying rod 16 and the second spiral conveying rod 18 rotate in the auxiliary grooves, so that the stability of the filter box during rotation can be improved.

The buckle unit includes two control panels 28, two fixture blocks 29, two lead screws 30, transfer line 32 and control wheel 34, two fixed slots have been seted up to one side of apron 9, control panel 28 sliding connection is in the fixed slot that corresponds, fixture block 29 is installed in one side of the control panel 28 that corresponds, the draw-in groove has all been seted up on the both sides inner wall of purification box 8, the one end of fixture block 29 is connected in the draw-in groove that corresponds, and control panel 28 drives the fixture block 29 that corresponds and removes, fixture block 29 roll-off draw-in groove, alright cancellation to the fixed restriction of apron 9.

Threaded holes are formed in one side of the two control plates 28, one mounting hole is formed in the inner wall of one side of each fixing groove, the two screw rods 30 are connected in the mounting holes in a rotating mode, the screw rods 30 are installed in the corresponding threaded holes in a threaded mode, the two screw rods 30 are fixedly installed at the end, close to each other, of each screw rod 30, first bevel gears 31 are installed on the inner wall of one side of each mounting hole, the first bevel gears 31 drive the corresponding screw rods 30 to rotate, and the screw rods 30 drive the corresponding control plates 28 to move.

The transmission rod 32 is rotatably connected in the fixing hole, one end of the transmission rod 32 is fixedly provided with a second bevel gear 33, the two first bevel gears 31 are meshed with the second bevel gear 33, the other end of the transmission rod 32 is fixedly arranged on a control wheel 34, the control wheel 34 is rotatably connected to one side of the cover plate 9, the transmission rod 32 drives the second bevel gear 33 to rotate, and the second bevel gear 33 drives the two first bevel gears 31 to rotate.

Two auxiliary seats are fixedly installed in the mounting hole, round holes are formed in the two auxiliary seats, and the screw rod 30 is rotatably connected in the round holes.

One side fixed mounting of control panel 28 has the slider, the spout has been seted up on the inner wall of fixed slot, slider sliding connection is in the spout, and control panel 28 drives the slider and slides in the spout when removing, can promote the stability when control panel 28 removes.

In conclusion, the intelligent self-adaptive swimming training system provided by the invention can drive the water in the swimming pool 1 to circularly flow through the two variable-frequency surfing pumps 3 and convey the water to one side of the swimming pool to be flushed out when in work, can simulate the water flow in a surfing state, can adopt a wearable sensing device, is arranged in a swimming cap or a swimming goggle, can intelligently adjust the water flow speed of the variable-frequency surfing pumps 3 by detecting the distance of the sensor to obtain the distance of a human body, can provide more suitable swimming resistance for a swimmer, can better train physical ability, can convey the water in the swimming pool 1 into the filter box 5 through the circulating water pump 7, can disinfect the water through the ultraviolet disinfection lamp panel 6, can filter and intercept large particle impurities in the water through purification particles in the filter box 5, and can convey the filtered water into the purification box 8 through the circulating water pump 7, the filter elements 10 can purify fine impurities in water again, the water can be thoroughly purified, the purified water is conveyed into the constant temperature heater 11 to be heated, the constant temperature heater 11 can adjust the temperature of the water suitable for a swimmer, the water is conveyed into the hot spring manufacturing machine 12, the hot spring manufacturing machine 12 can perform artificial hot springs, meanwhile, the artificial hot spring water is conveyed into the swimming pool 1, the motor 25 drives the second chain wheel 26 to rotate, the second chain wheel 26 drives the chain 27 to move, the chain 27 drives the first chain wheel 24 to rotate, the first chain wheel 24 drives the gear 23 to rotate, the gear 23 drives the other gear 23 to rotate in the reverse direction, the gear 23 can drive the corresponding rotating rod 21 to rotate, the rotating rod 21 drives the corresponding worm 22 to rotate, the worm 22 drives the corresponding worm wheel 19 to rotate, the two worm wheels 19 respectively drive the first spiral conveying rod 16 and the second spiral conveying rod 18 to rotate, however, the rotation directions of the first spiral conveying rod 16 and the second spiral conveying rod 18 are opposite, the first spiral conveying rod 16 can convey the used purified particles in the filter box 5 to the discharge pipe 14, the discharge pipe 14 can convey the waste materials to the collection box 15 for collection, the new purified particles are placed in the material box 17, when the waste materials are taken out, the second spiral conveying rod 18 drives the new materials to be conveyed into the filter box 5, the filter box 5 can always keep a good filtering state, the control wheel 34 is rotated, the control wheel 34 drives the transmission rod 32 to rotate, the transmission rod 32 drives the second bevel gear 33 to rotate, the second bevel gear 33 drives the two first bevel gears 31 to rotate, the first bevel gears 31 drive the corresponding screw rods 30 to rotate, the screw rods 30 drive the corresponding control panels 28 to move, the control panels 28 drive the corresponding clamping blocks 29 to move, the clamping blocks 29 slide out of the clamping grooves, and the fixation limitation on the cover plate 9, the swimming training system is reasonable in structure, the training conditions provided in the swimming training system are rich, the functions of the swimming pool 1 are more complete, different training requirements can be met, and the training efficiency is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.