Park solar energy is from net power supply seat system
Technical Field
The invention relates to a park seat, in particular to a park solar off-grid power supply seat system.
Background
The park seat is a common seat consisting of a seat surface, a seat back, armrests and seat legs, is mostly made of wood and plastic, also is partially made of metal and stone, is directly exposed outside, has the function limited to a place for people to rest in a public place, and is manually wiped to maintain the cleanness of the seat surface before people rest. The wooden and plastic seats are aged and weathered along with the wood and the plastic, the hardware is seriously damaged, the updating and the updating are fast, and the maintenance cost is high; the metal seat rusts along with the corrosion of metal, the appearance is poor, and the comfort is reduced; the stone seat is high in manufacturing cost and difficult to move.
With the continuous progress of society, solar energy is more and more popular as clean energy, ecological low-carbon parks are gradually created to be hot spot items of various big cities, solar lawn lamps, solar street lamps and solar sound equipment also move into various big parks, but the power utilization devices are required to be provided with a solar component power generation and power utilization system independently, the cost is higher, the power utilization devices are limited by the small area of the solar component of a single device, the actual electric quantity is not enough, the power is still directly supplied by a power grid, the ecological low-carbon parks are also in a form, and the large-area solar photovoltaic component is bound to supply power to small power utilization devices which are distributed scattered. Chinese patent number ZL201120442903.7 discloses a "solar bench", it includes the seat support and the back of the chair, still include solar cell panel, battery and control circuit, solar cell panel sets up on the back of the chair and seat support, and be connected with the battery electricity, control circuit control battery charges and discharges, the battery is connected with the interface that is used for being connected with the electrical apparatus electricity, it can only play the effect of having a rest to distinguish traditional bench, this new-type solar bench is on this basis, can charge little electrical apparatus, practice thrift the electric energy, green. However, the patent application is only limited to charging electronic devices, and still cannot solve the problem of low-carbon power supply of electric devices such as lawn lamps, street lamps and sound equipment in the ecological low-carbon park.
In addition, the modern young people, having a keen mind on electronic products and sanitary environments, need to have a handy charging facility and a clean and sanitary rest environment while satisfying both physical and mental enjoyment of the young. Obviously, directly expose in the outside, do not have the covering, do not have clean guarantee, do not have the ordinary park seat of the interface that charges yet, inevitable enough goes with each other, the comfort level that inevitably influences people and have a rest.
Therefore, based on the above problems in the prior art, it is necessary to design a novel park solar power supply seat system based on park seats to realize off-grid low-carbon power supply of each electric device in the park.
Disclosure of Invention
1. Technical problems to be solved by the invention
The invention aims to overcome the defect that the surface sanitation of the existing park seat is not guaranteed due to the fact that the seat surface of the park seat is directly exposed outside, and provides a park solar off-grid power supply seat system, by adopting the technical scheme, a foldable seat cushion and a foldable seat cushion cleaning device are arranged on the park seat, the foldable seat cushion can be retracted and hidden in a seat cushion accommodating cavity, ozone sterilization and disinfection can be carried out by using the foldable seat cushion cleaning device, the problems of dust accumulation and aging of the seat cushion due to the fact that the park seat is exposed outside for a long time when not used are effectively solved, the cleanness and the service life of the park seat are guaranteed, and the seat cushion folding and the disinfection of the park seat are powered by a solar power generation device on the park seat, so that the park seat system is low-carbon and environment-friendly;
another object of the present invention is to provide an off-grid power generation and supply system for park electric devices, which is centered on a park seat, wherein a solar power generation device is integrated in the park seat, and the solar power generation device is connected to park electric devices near the park seat, such as a street lamp, a lawn lamp, and a stereo, so as to form an off-grid power generation and supply system unit centered on a park seat main body.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a park solar off-grid power supply seat system, which comprises a park seat main body and a solar off-grid power supply system, wherein the park seat main body comprises a seat back, a seat surface, a support frame and armrests, the seat surface is horizontally fixed above the support frame, the seat back is arranged on the rear side of the seat surface, the armrests are arranged on the left side and the right side of the seat surface, and the park solar off-grid power supply seat system comprises:
the solar off-grid power supply system comprises a solar power generation device, a folding cushion control device, a folding cushion cleaning device and a park power utilization device, wherein the solar power generation device comprises a solar component, a solar controller and a storage battery, the solar component is arranged on the sun-facing outer surface of the chair back, the solar component is electrically connected with the storage battery through the solar controller, and the storage battery is respectively and electrically connected with action execution mechanisms of the folding cushion control device and the folding cushion cleaning device and the park power utilization device;
the foldable cushion control device comprises a foldable cushion, a transmission mechanism, a foldable cushion control processor and a cushion control button, wherein the foldable cushion is arranged in a cushion accommodating cavity arranged on one side of the chair surface, the cushion accommodating cavity is internally provided with the transmission mechanism in transmission connection with the foldable cushion, and the cushion control button is electrically connected with the transmission mechanism through the foldable cushion control processor and used for driving the foldable cushion to move on the chair surface in a telescopic way through the transmission mechanism;
folding cushion cleaning device including disinfection trachea, ozone generator, the clean control processor of disinfection, disinfection trachea control valve and the clean button of disinfection, the disinfection trachea locate the cushion and accomodate the intracavity, tracheal one end of disinfection be connected with ozone generator, disinfection trachea and ozone generator between be equipped with disinfection trachea control valve, the clean button of disinfection be connected with ozone generator and disinfection trachea control valve electricity respectively through the clean control processor of disinfection for the switch through the clean control processor of disinfection control processor control ozone generator of disinfection and disinfection trachea control valve is accomodate the folding cushion of intracavity to the cushion and is disinfected.
Furthermore, drive mechanism include actuating mechanism, first transmission shaft, second transmission shaft and extension spring, first transmission shaft horizontal installation in the cushion accomodate the intracavity, the one end of foldable cushion convolute on first transmission shaft, the second transmission shaft install in the other end of foldable cushion, actuating mechanism be connected with first transmission shaft, the extension spring locate the both ends of second transmission shaft, and the extension spring at both ends is connected with the handrail that corresponds the side respectively.
Furthermore, the inner side of the armrest is provided with a sliding groove, and the two sides of the second transmission shaft and the foldable cushion are respectively in sliding fit in the sliding grooves on the corresponding sides.
Furthermore, the driving mechanism comprises a motor, a first driving wheel, a second driving wheel and a driving chain, wherein one end of the first driving shaft is connected with the first driving wheel, the second driving wheel is connected with an output shaft of the motor, and the driving chain is arranged between the first driving wheel and the second driving wheel.
Furthermore, the disinfection and cleaning button and the cushion control button are respectively arranged on the handrail.
Furthermore, the armrest is also provided with a USB charging port which is electrically connected with the storage battery and is used for charging electronic products.
Furthermore, an electric control cabinet is arranged below the chair surface, and the solar controller, the storage battery, the folding cushion control processor, the disinfection and cleaning control processor, the ozone generator and the disinfection air pipe control valve are all integrated in the electric control cabinet.
Furthermore, a containing cabinet is further arranged on one side of the electric control cabinet below the chair surface, and a handle is arranged on a panel of the containing cabinet.
Furthermore, the park electric device comprises one or more of a street lamp, a lawn lamp and a sound, and the solar off-grid power supply system is connected with the park electric device nearby to form an off-grid power generation and supply system taking the park seat main body as the center.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) The park solar off-grid power supply seat system comprises a park seat main body and a solar off-grid power supply system, wherein a foldable cushion and a foldable cushion cleaning device are arranged on a park seat, the foldable cushion can be retracted and hidden in a cushion accommodating cavity, and ozone sterilization and disinfection can be performed by utilizing the foldable cushion cleaning device, so that the problems of dust accumulation and aging of the cushion caused by long-term exposure of the park seat when the park seat is not used are effectively solved, the cleanness and sanitation of the park seat are ensured, the service life of the park seat is prolonged, and the resting comfort of people is improved; moreover, the folding and the disinfection of the seat cushion of the park seat are both powered by the solar power generation device on the park seat, so that the park seat is low-carbon and environment-friendly;
(2) According to the park solar off-grid power supply seat system, the transmission mechanism of the folding cushion control device adopts a folding cushion winding and unwinding structural form, and the folding cushion is unwound and unfolded by utilizing the tension spring, so that the structural design is simple and compact, the occupied space is small, and the cushion is flexible and reliable in folding and winding;
(3) According to the park solar off-grid power supply seat system, the sliding grooves are formed in the inner sides of the armrests, the second transmission shaft and the two sides of the foldable cushion are respectively in sliding fit in the sliding grooves on the corresponding sides, the sides of the foldable cushion and the transmission shafts are hidden by the sliding grooves, and meanwhile, the foldable cushion is guided, so that the telescopic movement of the foldable cushion is more stable and reliable;
(4) The invention relates to a park solar off-grid power supply seat system, wherein a driving mechanism of the park solar off-grid power supply seat system comprises a motor, a first driving wheel, a second driving wheel and a driving chain, one end of the first driving wheel is connected with the first driving wheel, the second driving wheel is connected with an output shaft of the motor, the driving chain is arranged between the first driving wheel and the second driving wheel, and a chain driving mechanism is utilized to drive the folding cushion to move in a stretching mode;
(5) According to the park solar off-grid power supply seat system, the disinfection and cleaning button and the cushion control button are respectively arranged on the handrail, so that flexible operation is facilitated; the handrail is also provided with a USB charging port which is electrically connected with the storage battery and is used for charging electronic products, so that the problem that the park cannot be charged at any time and any place is solved;
(6) According to the park solar off-grid power supply seat system, the electric control cabinet is arranged below the seat surface, the solar controller, the storage battery, the folding cushion control processor, the disinfection and cleaning control processor, the ozone generator and the disinfection air pipe control valve are integrated in the electric control cabinet, and all the functional modules are integrated in the electric control cabinet, so that the seat structure is more compact, and the functional modules are convenient to maintain;
(7) According to the park solar off-grid power supply seat system, the storage cabinet is further arranged below the seat surface and on one side of the electric control cabinet, the handle is arranged on the panel of the storage cabinet, so that more storage spaces are provided for park seats, and the functionality and the practicability of the park seats are improved;
(8) According to the park solar off-grid power supply seat system, the park power utilization devices comprise one or more of a street lamp, a lawn lamp and a sound, the solar off-grid power supply system is connected with the park power utilization devices nearby to form an off-grid power generation and supply system taking the park seat main body as the center, the problem that the existing solar power utilization devices are independently powered and need a plurality of photovoltaic power generation and supply systems is solved, the large-area photovoltaic components effectively guarantee the generated energy, the resource utilization rate is improved, the cost is reduced, and the problem that the independent solar lawn lamp, the solar street lamp and the solar sound are insufficient in power utilization is effectively solved; in addition, the small solar power utilization device is integrated in a large solar power grid for centralized power supply, the attractiveness of the park layout is improved, the combination of the solar controller and the storage battery is used for adjusting the voltage and the current output by the solar assembly, the charging and discharging of the storage battery are protected, the stability of the voltage supplied to the electric power utilization device of the park by the solar photovoltaic assembly through the storage battery is ensured, and the real low-carbon, environment-friendly, clean and ecological targets are further realized.
Drawings
FIG. 1 is a schematic view of a park seat body in a park solar off-grid powered seating system according to the present invention;
FIG. 2 is a schematic diagram of a transmission mechanism of a folding seat cushion control device in a park solar off-grid power supply seat system according to the present invention;
FIG. 3 is a schematic diagram of a solar off-grid power supply system in the park solar off-grid power supply seat system according to the present invention.
The reference numerals in the schematic drawings illustrate:
1. a chair back; 2. a chair surface; 3. an electric control cabinet; 4. a storage cabinet; 41. a handle; 5. a support frame; 6. a handrail; 61. a disinfection and cleaning button; 62. a cushion control button; 63. a USB charging port; 7. a folding seat cushion; 8. a cushion storage chamber; 9. a solar controller; 10. a battery; 11. a folding seat cushion control device; 111. a motor; 112. a folding seat control processor; 113. a first drive pulley; 114. a second transmission wheel; 115. a drive chain; 116. a first fixed support; 117. a second fixed support; 118. a first transmission shaft; 119. a second transmission shaft; 120. a tension spring; 12. a folding seat cushion cleaning device; 121. an ozone generator; 122. a disinfection and cleaning control processor; 123. sterilizing the trachea control valve; 13. a street lamp; 14. a lawn lamp; 15. sounding; 16. and (4) disinfecting the trachea.
Detailed Description
For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples.
[ examples ]
With reference to fig. 1, fig. 2 and fig. 3, a park solar energy leaves net power supply seat system of this embodiment, including park seat main part and solar energy and leaves net power supply system, park seat main part includes back of the chair 1, seat 2, support frame 5 and handrail 6, support frame 5 is the support part of whole seat, can respectively set up a set of support frame 5 in the both sides of seat, seat 2 level is fixed in the top of support frame 5, be used for bearing the cushion, back of the chair 1 is located the rear side of seat 2, be used for forming the back of seat, back of the chair 1 is perpendicular mutually with seat 2 or back of the chair 1 has certain inclination backward, handrail 6 locates the left and right sides of seat 2, be used for forming the handrail in both sides. The solar off-grid power supply system comprises a solar power generation device, a folding cushion control device 11, a folding cushion cleaning device 12 and a park power utilization device, wherein the solar power generation device comprises a solar component, a solar controller 9 and a storage battery 10, the solar component is arranged on the sun-facing outer surface of the chair back 1 and used for converting solar energy into electric energy, the solar component is electrically connected with the storage battery 10 through the solar controller 9 and used for storing the electric energy converted from the solar component into the storage battery 10, the solar controller 9 is used for adjusting the voltage and the current output by the solar component and protecting the charging and discharging of the storage battery 10, and the storage battery 10 is electrically connected with the action execution mechanisms of the folding cushion control device 11 and the folding cushion cleaning device 12 and the park power utilization device respectively and used for supplying power to the action execution mechanisms of the folding cushion control device 11 and the folding cushion cleaning device 12 and the park power utilization device.
Specifically in this embodiment, the above-mentioned folding cushion control device 11 includes a folding cushion 7, a transmission mechanism, a folding cushion control processor 112 and a cushion control button 62, the folding cushion 7 is a flexible cushion structure, such as a curtain-shaped cushion that can be rolled up, the folding cushion 7 is installed in a cushion storage chamber 8 that is arranged on one side of the seat surface 2, the cushion storage chamber 8 is internally provided with a transmission mechanism that is in transmission connection with the folding cushion 7, the transmission mechanism can drive the folding cushion 7 to move in a telescopic manner in the cushion storage chamber 8, and the cushion control button 62 is electrically connected with the transmission mechanism through the folding cushion control processor 112 for controlling the transmission mechanism to drive the folding cushion 7 to move in a telescopic manner on the seat surface 2. The foldable cushion cleaning device 12 comprises a disinfection air pipe 16, an ozone generator 121, a disinfection and cleaning control processor 122, a disinfection air pipe control valve 123 and a disinfection and cleaning button 61, the disinfection air pipe 16 is arranged in the cushion storage cavity 8, one end of the disinfection air pipe 16 is connected with the ozone generator 121, the disinfection air pipe control valve 123 is arranged between the disinfection air pipe 16 and the ozone generator 121, the disinfection and cleaning button 61 is respectively and electrically connected with the ozone generator 121 and the disinfection air pipe control valve 123 through the disinfection and cleaning control processor 122, and the disinfection and cleaning button is used for disinfecting the foldable cushion 7 in the cushion storage cavity 8 through controlling the on-off of the ozone generator 121 and the disinfection air pipe control valve 123 through the disinfection and cleaning control processor 122. The disinfection air pipe 16 is preferably arranged in parallel with the foldable seat cushion 7, and the disinfection air pipe 16 is provided with a row of air holes facing the foldable seat cushion 7, by starting the disinfection and cleaning button 61, the disinfection and cleaning control processor 122 controls the ozone generator 121 and the disinfection air pipe control valve 123 to work, and the disinfection air pipe 16 sprays ozone gas to the foldable seat cushion 7 for sterilization.
Through be provided with foldable cushion 7 and folding cushion cleaning device 12 on the park seat, foldable cushion 7 can contract and hide in cushion storage chamber 8 to can utilize folding cushion cleaning device 12 to carry out the ozone sterilization disinfection, effectively solved the park seat and not used long term expose outside and lead to the cushion deposition and ageing problem, guaranteed the clean health and the life of park seat, improved people's rest comfort level.
The telescopic motion of the folding seat cushion 7 in the seat cushion accommodating cavity 8 in the embodiment can be controlled by the existing mechanism, for example, the ball screw mechanism can be used for driving the front end two sides of the folding seat cushion 7 to perform telescopic motion, a torsion spring is arranged on a shaft wound with the folding seat cushion 7, the ball screw mechanism is used for driving the folding seat cushion 7 to extend out, and the torsion spring is used for winding the folding seat cushion 7 in the retraction process. Specifically, in the present embodiment, as shown in fig. 2, the transmission mechanism includes a driving mechanism, a first transmission shaft 118, a second transmission shaft 119, and a tension spring 120, the first transmission shaft 118 is horizontally installed in the cushion accommodating cavity 8, one end of the foldable cushion 7 is wound around the first transmission shaft 118, the first transmission shaft 118 is used as a winding shaft of the foldable cushion 7, the second transmission shaft 119 is installed at the other end of the foldable cushion 7, the second transmission shaft 119 is used as a front end frame of the foldable cushion 7, the driving mechanism is connected to the first transmission shaft 118, the driving mechanism drives the first transmission shaft 118 to rotate to wind or unwind the foldable cushion 7, the tension spring 120 is installed at two ends of the second transmission shaft 119, and the tension springs 120 at two ends are respectively connected to the corresponding handrails 6. When the driving mechanism drives the foldable seat cushion 7 to be rolled, the length of the tension spring 120 is elongated to store energy, and when the driving mechanism drives the foldable seat cushion 7 to be stretched out, the tension spring 120 drives the second transmission shaft 119 at the front end of the foldable seat cushion 7 to move outwards, so that the foldable seat cushion 7 is flatly laid on the seat surface 2. As another installation method of the foldable seat cushion 7, one end of the foldable seat cushion 7 can be fixed in the seat cushion accommodating cavity 8, and the other end of the foldable seat cushion 7 is wound around the second transmission shaft 119 and then connected with the first transmission shaft 118, and at this time, the second transmission shaft 119 serves as a transition rotating shaft of the foldable seat cushion 7. The folding type cushion is wound and unfolded by the aid of the tension springs, and is simple and compact in structural design, small in occupied space and flexible and reliable in folding and winding. Further, cushion storage chamber 8 comprises two first fixing support 116 that are located park seat main part both sides, second fixing support 117 that is located between two first fixing support 116 backs and the roof that is located between two first fixing support 116 tops, and the both ends of first transmission shaft 118 are rotated and are installed on the first fixing support 116 of corresponding side. As shown in fig. 1, in order to further improve the stretching stability of the foldable seat cushion 7, in this embodiment, the inner side of the armrest 6 is provided with a sliding slot, the second transmission shaft 119 and the two sides of the foldable seat cushion 7 are respectively in sliding fit in the sliding slot on the corresponding side, the sliding slot is used to hide the foldable seat cushion and the side edge of the transmission shaft, and at the same time, the foldable seat cushion is guided, so that the stretching movement of the foldable seat cushion is more stable and reliable. The driving mechanism comprises a motor 111, a first driving wheel 113, a second driving wheel 114 and a driving chain 115, one end of the first driving shaft 118 is connected with the first driving wheel 113, the second driving wheel 114 is connected with an output shaft of the motor 111, the driving chain 115 is arranged between the first driving wheel 113 and the second driving wheel 114, the chain driving mechanism is used for driving the folding seat cushion 7 to move in an extending and contracting mode, the driving is stable and reliable, the driving efficiency is high, the folding seat cushion can work in severe environments such as high temperature, humidity, dustiness and pollution, and the environment adaptability is strong. Utilize motor 111 drive, can realize foldable cushion 7's automatic rolling and lay, guaranteed park seat's sanitation and hygiene, and solar energy is clean energy power supply, and no waste battery produces, green.
In order to facilitate the operation, the disinfection cleaning button 61 and the cushion control button 62 are respectively arranged on the handrail 6, and the disinfection and the expansion of the cushion can be controlled by the switch signals of the disinfection cleaning button 61 and the cushion control button 62, so that the operation is simple and convenient. The handrail 6 is also provided with a USB charging port 63 which is electrically connected with the storage battery 10 and is used for charging electronic products, and a charging circuit is arranged in the USB charging port 63, so that the problem that the electronic products cannot be charged anytime and anywhere in a park is solved. In addition, as shown in fig. 1, an electric control cabinet 3 is arranged below the seat 2, the solar controller 9, the storage battery 10, the folding cushion control processor 112, the disinfection and cleaning control processor 122, the ozone generator 121 and the disinfection air pipe control valve 123 are all integrated in the electric control cabinet 3, and all the functional modules are integrated in the electric control cabinet 3, so that the seat structure is more compact, and the maintenance of all the functional modules is convenient. The lower position of seat 2 still is equipped with storage cabinet 4 in one side of automatically controlled cabinet 3, is equipped with handle 41 on storage cabinet 4's the panel, for the park seat provides more storage space, has improved park seat's functionality and practicality.
In the park solar off-grid power supply seat system of the embodiment, the park electric device includes one or more of a street lamp 13, a lawn lamp 14 and a sound box 15, and the solar off-grid power supply system is connected with the park electric device nearby to form an off-grid power generation and supply system taking a park seat body as a center. The storage battery 10 in the park seat main body is connected with the street lamp 13, the lawn lamp 14 or the sound equipment 15 near the park seat to form an off-grid power generation and supply system taking the park seat as the center, so that the problem that a plurality of photovoltaic power generation and supply systems are needed due to independent power supply of each existing solar power utilization device is solved, the large-area photovoltaic module effectively guarantees the generated energy, the resource utilization rate is improved, the cost is reduced, and the problem that the independent solar lawn lamp, the solar street lamp and the solar sound equipment are insufficient in power utilization is effectively solved. In addition, the small solar power utilization device is integrated in a large solar power grid for centralized power supply, the attractiveness of the park layout is improved, the combination of the solar controller and the storage battery is used for adjusting the voltage and the current output by the solar assembly, the charging and discharging of the storage battery are protected, the stability of the voltage supplied to the electric power utilization device of the park by the solar photovoltaic assembly through the storage battery is ensured, and the real low-carbon, environment-friendly, clean and ecological targets are further realized.
According to the park solar off-grid power supply seat system, the park seat is provided with the foldable seat cushion and the foldable seat cushion cleaning device, the foldable seat cushion can be retracted and hidden in the seat cushion accommodating cavity, ozone sterilization and disinfection can be performed by using the foldable seat cushion cleaning device, the problems of dust accumulation and aging of the seat cushion caused by long-term exposure of the park seat when the park seat is not used are effectively solved, the cleanness and sanitation of the park seat are ensured, the service life of the park seat is prolonged, and the folding and the disinfection of the seat cushion of the park seat are both powered by the solar power generation device on the park seat, so that the park seat system is low-carbon and environment-friendly. In addition, the off-grid power generation and supply system for the park electric devices with the park seat as the center is provided, the park seat is integrated with the solar power generation device, the solar power generation device is connected with the park electric devices such as the street lamps near the park seat, the lawn lamps and the sound equipment nearby, an off-grid power generation and supply system unit with the park seat main body as the center is formed, the problems that the existing solar electric devices are independently supplied with power and need a plurality of photovoltaic power generation and supply systems are solved, the large-area photovoltaic modules effectively guarantee the generated energy, the resource utilization rate is improved, the cost is reduced, and the problems that the independent solar lawn lamps, the solar street lamps and the solar sound equipment are insufficient in power utilization are effectively solved.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, without departing from the spirit of the present invention, a person of ordinary skill in the art should also understand that the present invention shall not be limited to the embodiments and the similar structural modes of the present invention.