Ultrasonic electronic cigarette atomizer and electronic cigarette

Abstract

An ultrasonic electronic cigarette atomizer and an electronic cigarette, wherein the ultrasonic electronic cigarette atomizer comprises a shell, a tobacco tar storage bottle, an ultrasonic atomization piece and a flaky tobacco tar storage body fit to one side face of the ultrasonic atomization piece are provided in the shell, and a tobacco tar guide body is fixed to an outer wall of at least one side of the tobacco tar storage bottle; one side face of the tobacco tar guide body is communicated with the inner cavity of the tobacco tar storage bottle, and the other side face of the tobacco tar guide body is contacted with the side face of the tobacco tar storage body which is away from the ultrasonic atomization piece; and the ultrasonic atomization piece and the tobacco tar storage body are provided to be parallel to the length direction of an electronic cigarette.

Claims

1. An ultrasonic electronic cigarette atomizer, comprising a shell, a tobacco tar storage bottle, an ultrasonic atomization piece and a sheet-like tobacco tar storage body comprising a side face covering one side face of the ultrasonic atomization piece are provided in the shell; wherein: a tobacco tar guide body is fixed to an outer wall of at least one side of the tobacco tar storage bottle, and a tobacco tar seepage hole is provided in a side face of the tobacco tar storage bottle; one side face of the tobacco tar guide body is communicated with an inner cavity of the tobacco tar storage bottle through the tobacco tar seepage hole, and another side face of the tobacco tar guide body, opposite to the side face of the tobacco tar guide body, is in contact with another side face of the tobacco tar storage body opposite to the side face of the tobacco tar storage body covering the ultrasonic atomization piece; the ultrasonic atomization piece and the tobacco tar storage body are provided to be parallel to the length direction of an electronic cigarette; and the tobacco tar storage body is composed of tobacco tar storage cotton; the ultrasonic electronic cigarette atomizer further comprising a suction nozzle at the top of the shell, wherein: a vertical vent groove is provided in the another side face, opposite to the tobacco tar storage bottle, of the tobacco tar guide body; an air inlet end of the vertical vent groove is communicated with the outside, and an air outlet end of the vertical vent groove is communicated with the suction nozzle; an accommodation groove which accommodates the tobacco tar guide body is provided in an outer wall of the tobacco tar storage bottle; the tobacco tar seepage hole is provided in the accommodation groove; the accommodation groove is communicated with a groove provided in the outer wall of the tobacco tar storage bottle; and when the tobacco tar guide body is embedded in the accommodation groove, the vertical vent groove is communicated with the groove, and a communication air passage is provided in an outer surface of the tobacco tar storage bottle.

2. The ultrasonic electronic cigarette atomizer of claim 1, wherein one end of the tobacco tar storage bottle is sealed by a tobacco tar bottle plug.

3. The ultrasonic electronic cigarette atomizer of claim 2, wherein a side edge of the tobacco tar bottle plug covers a side edge of the tobacco tar storage bottle, and a notch communicated with the groove is provided in the side edge of the tobacco tar bottle plug at positions corresponding to the groove.

4. The ultrasonic electronic cigarette atomizer of claim 3, wherein the tobacco tar guide body is a first tobacco guide body, further comprising: a second tobacco tar guide body, wherein the first and second tobacco tar guide bodies are provided on the outer walls of respective sides of the tobacco tar storage bottle.

5. The ultrasonic electronic cigarette atomizer of claim 4, wherein ultrasonic atomization pieces are provided in the shell on both sides of the tobacco tar storage bottle.

6. The ultrasonic electronic cigarette atomizer of claim 1, wherein the ultrasonic atomization piece is fixed in an atomization back cover; an electrode bracket is fixed in the atomization back cover on the side, away from the tobacco tar storage bottle, of the ultrasonic atomization piece; an elastic piece electrode is fixed to the electrode bracket, and the elastic piece electrode is in contact with the ultrasonic atomization piece; a first elastic electrode and a second elastic electrode are fixed to the atomization back cover; the first elastic electrode is in contact with the elastic piece electrode; and the second elastic electrode is in contact with the ultrasonic atomization piece.

7. The ultrasonic electronic cigarette atomizer of claim 6, wherein the side, away from the tobacco tar storage bottle, of the atomization back cover is sealed by an atomization front cover.

8. The ultrasonic electronic cigarette atomizer of claim 7, wherein the atomization back cover is hermetically connected with the atomization front cover through a first sealing ring.

9. The ultrasonic electronic cigarette atomizer of claim 1, wherein: a connecting electrode is fixed in the shell below the tobacco tar storage bottle; a gap is provided between the connecting electrode and the tobacco tar storage bottle; an air inlet hole is provided in the connecting electrode; and the air inlet hole, the gap, a first portion of the groove in the tobacco tar storage bottle below the tobacco tar guide body, the vertical vent groove in the tobacco tar guide body, a second portion of the groove in the tobacco tar storage bottle above the tobacco tar guide body and the suction nozzle are communicated successively.

10. An ultrasonic electronic cigarette, wherein: the ultrasonic electronic cigarette comprises an ultrasonic electronic cigarette atomizer comprising a shell, a tobacco tar storage bottle, an ultrasonic atomization piece and a sheet-like tobacco tar storage body comprising a side face covering one side face of the ultrasonic atomization piece are provided in the shell; wherein: a tobacco tar guide body is fixed to an outer wall of at least one side of the tobacco tar storage bottle, and a tobacco tar seepage hole is provided in a side face of the tobacco tar storage bottle; one side face of the tobacco tar guide body is communicated with an inner cavity of the tobacco tar storage bottle through the tobacco tar seepage hole, and another side face of the tobacco tar guide body, opposite to the side face of the tobacco tar guide body, is in contact with another side face of the tobacco tar storage body opposite to the side face of the tobacco tar storage body covering the ultrasonic atomization piece; the ultrasonic atomization piece and the tobacco tar storage body are provided to be parallel to the length direction of the electronic cigarette; and the tobacco tar storage body is composed of tobacco tar storage cotton; the ultrasonic electronic cigarette atomizer further comprising a suction nozzle at the top of the shell, wherein: a vertical vent groove is provided in the another side face, opposite to the tobacco tar storage bottle, of the tobacco tar guide body; an air inlet end of the vertical vent groove is communicated with the outside, and an air outlet end of the vertical vent groove is communicated with the suction nozzle; an accommodation groove which accommodates the tobacco tar guide body is provided in an outer wall of the tobacco tar storage bottle; the tobacco tar seepage hole is provided in the accommodation groove; the accommodation groove is communicated with a groove provided in the outer wall of the tobacco tar storage bottle; and when the tobacco tar guide body is embedded in the accommodation groove, the vertical vent groove is communicated with the groove, and a communication air passage is provided in an outer surface of the tobacco tar storage bottle.

Description

DESCRIPTION OF FIGURES

(1) FIG. 1 is a section view of an atomizer of embodiment 1.

(2) FIG. 2 is an exploded view of a tobacco tar storage bottle in FIG. 1.

(3) FIG. 3 is a partial exploded view at an ultrasonic atomization piece in FIG. 1.

(4) FIG. 4 is a section view of an atomizer of embodiment 2.

(5) FIG. 5 is an exploded view of FIG. 4.

(6) FIG. 6 is an exploded view of a tobacco tar storage bottle in FIG. 4.

(7) FIG. 7 is a section view of an atomizer of embodiment 3.

(8) FIG. 8 is an exploded view of FIG. 7.

(9) FIG. 9 is a structural schematic diagram of a tobacco tar guide needle fixing base and a tobacco tar guide body in FIG. 7.

(10) FIG. 10 is a section view of an atomizer of embodiment 4.

REFERENCE SIGNS

(11) 1. tobacco tar storage bottle, 2. tobacco tar guide body, 3. vertical vent groove, 4. accommodation groove, 5. tobacco tar seepage hole, 6. groove, 7. tobacco tar bottle plug, 8. notch, 9. projection, 10. mounting hole, 11. shell, 12. ultrasonic atomization piece, 13. suction nozzle, 14. tobacco tar storage body, 15. atomization back cover, 16. electrode bracket, 17. elastic piece electrode, 18. first elastic electrode, 19. second elastic electrode, 20. atomization front cover, 21. external thread, 22. connecting electrode, 23. gap, 24. limiting bracket, 25. gap, 26. conductive plate, 27. vent hole, 28. observation window, 29. first sealing ring, 30. tobacco tar pass hole, 31. air inlet hole, 32. insulating ring, 33. mounting boss, 34. mounting through hole, 35. mounting projection, 36. mounting hole, 37. connecting projection, 38. mounting notch, 39. suction nozzle mounting hole, 40. first side cover, 41. tobacco tar guide needle, 42. horizontal vent groove, 43. tobacco tar outlet hole, 44. tobacco tar guide needle fixing base, 45. sealing cover, 46. spring, 47. third elastic electrode, 48. atomization piece fixing base, 49. electrode fixing base, 50. second side cover, 51. first airflow passage, 52. second sealing ring, and 53. fixing groove.

SPECIFIC MODE FOR CARRYING OUT THE INVENTION

Embodiment 1

(12) As shown in FIG. 1 to FIG. 3, an ultrasonic electronic cigarette atomizer in an electronic cigarette of the present invention comprises a shell 11, a tobacco tar storage bottle 1, an ultrasonic atomization piece 12 and a flaky tobacco tar storage body 14 fit to one side face of the ultrasonic atomization piece 12 are provided in the shell 11, and tobacco tar guide bodies 2 are fixed to outer walls of both sides of the tobacco tar storage bottle 1; one side face of the tobacco tar guide body 2 is communicated with the inner cavity of the tobacco tar storage bottle 1, and the other side face of the tobacco tar guide body 2 is contacted with the side face of the tobacco tar storage body 14 which is away from the ultrasonic atomization piece 12; and the ultrasonic atomization piece 12 and the tobacco tar storage body 14 are provided to be parallel to the length direction of the electronic cigarette. The inner cavity of the tobacco tar storage bottle 1 is used for storing tobacco tar.

(13) The electronic cigarette atomizer further comprises a suction nozzle 13 at the top of the shell 11, and a vertical vent groove 3 is provided in the surface, away from the tobacco tar storage bottle 1, of the tobacco tar guide body 2; the air inlet end of the vertical vent groove 3 is communicated with the outside, and the air outlet end of the vertical vent groove 3 is communicated with the suction nozzle 13; an accommodation groove 4 which accommodates the tobacco tar guide body 2 is provided in an outer wall of the tobacco tar storage bottle 1; a tobacco tar seepage hole 5 is provided in the accommodation groove 4; and the accommodation groove 4 is communicated with a groove 6 provided in the outer wall of the tobacco tar storage bottle 1. The tobacco tar guide body 2 can be integrally provided with the shell 11 and can also be embedded in the accommodation groove 4. In the embodiment, the tobacco tar guide body 2 is circular, the accommodation groove 4 is also circular correspondingly, and the outside diameter of the tobacco tar guide body 2 is matched with the inside diameter of the accommodation groove 4. When the tobacco tar guide body 2 is fixed in the accommodation groove 4, the vertical vent groove 3 is communicated with the groove 6, and a communication air passage is provided in an outer surface of the tobacco tar storage bottle 1, namely, an axial communication air passage (i.e., an air passage parallel to the axial line of the tobacco tar storage bottle 1) which runs through the surface of the tobacco tar storage bottle 1, so that the gas is discharged from the communication air passage, and a tobacco tar leakage phenomenon can be prevented.

(14) One end of the tobacco tar storage bottle 1 is sealed by a tobacco tar bottle plug 7 to conveniently inject the tobacco tar. When the tobacco tar needs to be added, the tobacco tar can be injected by opening the tobacco tar bottle plug 7.

(15) In embodiment 1, the tobacco tar bottle plug 7 comprises an end face whose shape and size are matched with those of an upper end of the tobacco tar storage bottle 1, a lower surface (the surface close to the tobacco tar storage bottle 1) of the end face is connected with a connecting part, and the shape and size of the connecting part are matched with those of an opening on the tobacco tar storage bottle 1. A side edge of the tobacco tar bottle plug 7 covers a side edge of the tobacco tar storage bottle 1, and a notch 8 communicated with the groove 6 is provided in the side edge at positions, corresponding to the groove 6, of the tobacco tar bottle plug 7, so that the gas which passes through the communication air passage is smoothly discharged from the notch 8.

(16) The tobacco tar guide bodies 2 are provided on the outer walls of both sides of the tobacco tar storage bottle 1, and both sides of the tobacco tar storage bottle 1 can guide the tobacco tar.

(17) The ultrasonic atomization piece 12 is fixed in an atomization back cover 15; an electrode bracket 16 is fixed in the atomization back cover 15 on the side, away from the tobacco tar storage bottle 1, of the ultrasonic atomization piece 12; an elastic piece electrode 17 is fixed to the electrode bracket 16, and the elastic piece electrode 17 is in contact with the ultrasonic atomization piece 12; a first elastic electrode 18 and a second elastic electrode 19 are fixed to the atomization back cover 15; the first elastic electrode 18 is in contact with the elastic piece electrode 17; and the second elastic electrode 19 is in contact with the ultrasonic atomization piece 12.

(18) In the present invention, the ultrasonic atomization piece 12 is a solid piezoelectric ceramic piece, both surfaces of the piezoelectric ceramic piece are coated with conducting layers, and the two conducting layers are in contact with a positive electrode and a negative electrode respectively and can generate high frequency oscillation after being electrified.

(19) A mounting boss 33 is provided on the outer wall of the atomization back cover 15, two mounting through holes 34 are provided in the mounting boss 33, and the first elastic electrode 18 and the second elastic electrode 19 are respectively fixed in the two mounting through holes 34.

(20) The electrode bracket 16 is in the shape of a circular ring, mounting projections 35 are provided on the circular ring, mounting holes 36 are provided in both ends of the elastic piece electrode 17, and during installation, the two mounting projections 35 on corresponding positions of the circular ring respectively project into the two mounting holes 36. A connecting projection 37 is provided on the surface, facing the ultrasonic atomization piece 12, of the elastic piece electrode 17, and the connecting projection 37 is in contact with the surface of the ultrasonic atomization piece 12.

(21) The connecting projection 37 and the second elastic electrode 19 are respectively in contact with the positive electrode and the negative electrode of the ultrasonic atomization piece 12, and can make the ultrasonic atomization piece 12 to oscillate once being electrified.

(22) A mounting notch 38 is provided in a position on an atomization front cover 20 corresponding to the mounting boss 33 on the atomization back cover 15 so as to facilitate the connection of the atomization front cover 20 and the atomization back cover 15.

(23) In order to prevent tobacco tar leakage of the atomizer and guarantee a good-looking appearance, the side, away from the tobacco tar storage bottle 1, of the atomization back cover 15 is sealed by the atomization front cover 20.

(24) The atomization back cover 15 is hermetically connected with the atomization front cover 20 through a first sealing ring 29 so as to further prevent tobacco tar leakage of the atomizer and guarantee a more compact and stable internal structure.

(25) Ultrasonic atomization pieces 12 are provided in the shell 11 on both sides of the tobacco tar storage bottle 1, therefore the atomization efficiency can be improved, and the requirements of large smoke amount can be satisfied.

(26) A connecting electrode 22 is fixed in the shell 11 below the tobacco tar storage bottle 1; a gap 23 is provided between the connecting electrode 22 and the tobacco tar storage bottle 1; an air inlet hole 31 is provided in the connecting electrode 22; and the air inlet hole 31, the gap 22, the groove 6 in the tobacco tar storage bottle 1 below the tobacco tar guide body 2, the vertical vent groove 3 in the tobacco tar guide body 2, the groove 6 in the tobacco tar storage bottle 1 above the tobacco tar guide body 2 and the suction nozzle 13 are communicated successively to form an airflow passage of the atomizer. The connecting electrode 22 and the shell 11 are insulated by an insulating ring 32, external threads 21 are provided on the outer wall of the insulating ring 32, and the external threads 21 are matched with internal threads on the shell 11, thereby ensuring convenient installation and detachment.

(27) The structures on both sides of the tobacco tar storage bottle 1 are symmetrical, and thus the structure of the atomizer is more beautiful.

(28) The tobacco tar storage bottle 1 and the ultrasonic atomization piece 12, etc. are detachable, thereby being convenient to assemble and maintain.

Embodiment 2

(29) FIG. 4 to FIG. 6 show the structure of the ultrasonic electronic cigarette atomizer in the electronic cigarette of embodiment 2 of the present invention, the embodiment 2 is similar to the embodiment 1, the difference between embodiment 1 and embodiment 2 lies in that a projection 9 communicated with the inner cavity of the tobacco tar storage bottle 1 is provided on one side of the tobacco tar storage bottle 1; a tobacco tar bottle plug 7 is provided in the projection 9; and the tobacco tar guide body 2 is received in a mounting hole 10 in the tobacco tar bottle plug 7, and the surface, provided with the vertical vent groove 3, of the tobacco tar guide body 2 extends out of the tobacco tar bottle plug 7. A tobacco tar pass hole 30 is provided in the tobacco tar bottle plug 7, and when the tobacco tar guide body 2 is received in the mounting hole 10, the tobacco tar guide body is communicated with the inner cavity of the tobacco tar storage bottle 1 through the tobacco tar pass hole 30. The tobacco tar flows into the tobacco tar guide body 2 through the tobacco tar pass hole 30.

(30) In embodiment 2, the tobacco tar storage bottle 1 is a cylinder, the projection 9 is provided on a bottom surface of the cylinder, the tobacco tar guide body 2 is blocky tobacco tar guide cotton or the tobacco tar guide body 2 and the tobacco tar bottle plug 7 are integrally provided, namely being integrated, therefore the structure is simple, and the production cost is low.

(31) A limiting bracket 24 is fixed in the shell 11; and the tobacco tar storage bottle 1 is fixed in the limiting bracket 24, and the surface, provided with the vertical vent groove 3, of the tobacco tar guide body 2 extends out of the limiting bracket 24 to contact the tobacco tar storage body 14. The limiting bracket 24 functions to fix the tobacco tar storage bottle 1 so as to prevent the tobacco tar storage bottle 1 from moving after being mounted and guarantee good contact between the tobacco tar guide body 2 and the tobacco tar storage body 14.

(32) Both of the first elastic electrode 18 and the second elastic electrode 19 are in contact with the upper surface of a conductive plate 26 fixed between the limiting bracket 24 and the shell 11; a vent hole 27 is provided in the conductive plate 26; the lower surface of the conductive plate 26 is in contact with upper ends of two connecting electrodes 22 fixed to the shell 11; a gap 25 is provided between the lower surface of the conductive plate 26 and the inner wall of the shell 11; the vent hole 27 communicates the gap 25 with the vertical vent groove 6; and the lower end of the connecting electrode 22 extends out of the shell 11. The conductive plate 26 can guarantee a good internal electrical connection of the atomizer. The two connecting electrodes 22 can be respectively in contact with the positive electrode and the negative electrode of the battery and are respectively conducted to the first elastic electrode 18 and the second elastic electrode 19 through the conductive plate 26.

(33) The conductive plate 26 can be a PCB, and thus the cost is low.

(34) The shell 11 on the side, away from the ultrasonic atomization piece 12, of the tobacco tar storage bottle 1 is sealed by a first side cover 40; an observation window 28 is provided in the first side cover 40; and the observation window 28 is communicated with the gap 25. The observation window 28, the gap 25, the vent hole 27, the vent groove 6 and the suction nozzle 13 are communicated successively to form an airflow passage. The condition of the tobacco tar in the tobacco tar storage device can be observed through the observation window so as to conveniently judge whether the tobacco tar needs to be added, and the observation window can also be used as an air inlet of the airflow passage, so that the structure is simple and beautiful.

(35) As shown in FIG. 6, the shell 1 of the atomizer in the embodiment is a cylinder with two open ends, a suction nozzle mounting hole 39 is provided in the side wall of the cylinder, and the bottom end of the suction nozzle 13 is in screw joint with the inner wall of the mounting hole 39, thereby being convenient to detach and replace or clean.

Embodiment 3

(36) As shown in FIG. 7 to FIG. 9, an ultrasonic electronic cigarette atomization core in an electronic cigarette of embodiment 3 of the present invention comprises a shell 11, a tobacco tar storage bottle 1, an ultrasonic atomization piece 12 and a flaky tobacco tar storage body 14 fit to one side face of the ultrasonic atomization piece 12 are provided in the shell 11, wherein a tobacco tar guide body 2 is fixed to an outer wall of at least one side of the tobacco tar storage bottle 1; one side face of the tobacco tar guide body 2 is communicated with the inner cavity of the tobacco tar storage bottle 1, and the other side face of the tobacco tar guide body 2 is contacted with the side face of the tobacco tar storage body 14 which is away from the ultrasonic atomization piece 12; and the ultrasonic atomization piece 12 and the tobacco tar storage body 14 are provided to be parallel to the length direction of the electronic cigarette.

(37) The atomizer further comprises a suction nozzle 13 at the top of the shell 11, and a tobacco tar guide needle fixing base 44 is further provided in the shell 11, and a hollow tobacco tar guide needle 41 is provided on the tobacco tar guide needle fixing base 44; a tobacco tar outlet hole 43 is provided in the tobacco tar storage bottle 1; a sealing cover 45 capable of being pierced by the tobacco tar guide needle 41 is provided at the tobacco tar outlet hole 43 of the tobacco tar storage bottle 1, and the sealing cover 45 blocks the tobacco tar outlet hole 43; the tobacco tar guide needle 41 is inserted into the inner cavity of the tobacco tar storage bottle 1 from the sealing cover 45; a tobacco tar outlet end of the tobacco tar guide needle 41 is contacted with the tobacco tar guide body 2; an air inlet hole 31 is provided in the lower part of the shell 11, and an airflow passage is provided among the interior of the shell 11, the air inlet hole 31 and the suction nozzle 13; and a conductor capable of conducting the ultrasonic atomization piece 12 to the power supply is further provided in the shell 11. The sealing cover 45 is preferably made of silica gel.

(38) The tobacco tar storage bottle 1 is detachably connected with the shell 11, a first hollow cavity which places the tobacco tar storage bottle 1 is provided on one side in the shell 11, and a first side cover 40 which packages the tobacco tar storage bottle 1 is provided.

(39) The conductor comprises a third elastic electrode 47 contacted with the side face of the ultrasonic atomization piece 12 which is away from the tobacco tar storage body 14, and a connecting electrode 22 connected with the third elastic electrode 47 through a conducting wire, the connecting electrode 22 is provided at the bottom of the shell 11, and the other end of the connecting electrode 22 is detachably connected with an external power supply.

(40) The atomizer further comprises an atomization piece fixing base 48 and an electrode fixing base 49, and the ultrasonic atomization piece 12 and the tobacco tar storage body 14 are vertically installed on the atomization piece fixing base 48 together; an electrode mounting hole is provided in the electrode fixing base 49, and the third elastic electrode 47 is fixed to the electrode mounting hole; and the atomization piece fixing base 48 is connected with the electrode fixing base 49.

(41) A horizontal vent groove 42 is provided in the tobacco tar guide needle fixing base 44, the tobacco tar guide body 2 is fixedly installed on the tobacco tar guide needle fixing base 44, and a vertical vent groove 3 is provided in the tobacco tar guide body 2; the horizontal vent groove 42 is communicated with the vertical vent groove 3 to form a first airflow passage 51; and a gap is provided between the tobacco tar storage body 14 and the tobacco tar guide needle fixing base 44, the gap is communicated with the first airflow passage 51, and airflow passes through the first airflow passage 51 and the gap and finally rises to the suction nozzle 13.

Embodiment 4

(42) FIG. 10 shows the structure of the ultrasonic electronic cigarette atomizer in the electronic cigarette of embodiment 4 of the present invention, the embodiment 4 is similar to the embodiment 3, the difference between embodiment 4 and embodiment 3 lies in that the ultrasonic atomization piece 12 and the electrode fixing base 49 are detachably connected with the shell 11, a second hollow cavity is provided on the side, opposite to the tobacco tar storage bottle 1, in the shell 11, and a second side cover 50 which seals the second hollow cavity is provided. The second side cover 50 and the wall of the second hollow cavity are sealed by a sealing ring 52.

(43) The tobacco tar guide body 2 is columnar, and the tobacco tar guide body 2 penetrates through the hollow cavity of the tobacco tar guide needle 41 and extends into the inner cavity of the tobacco tar storage bottle 1.

(44) A spring 46 is provided between the side wall of the tobacco tar storage bottle 1 and the tobacco tar guide needle fixing base 44, and after the tobacco tar storage bottle 1 is packaged in the shell 11, the spring 46 is compressed. After the tobacco tar in the tobacco tar storage bottle 1 is used up, the first side cover 40 is opened, and the tobacco tar storage bottle 1 is pushed out by the spring 46, so that the user can conveniently replace the tobacco tar storage bottle 1.

(45) Although the embodiments of the present invention have been described above in combination with the drawings, the present invention is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative and are not restrictive, those of ordinary skill in the art can also make a lot of forms under the enlightenment of the present invention without departing from the purpose of the present invention or the protection scope of the claims, and all these forms fall within the protection scope of the present invention.