阅读说明：本技术 一种便携式精油扩香仪 (Portable essential oil expands fragrant appearance ) 是由 胡津毓 于 2021-03-19 设计创作，主要内容包括：本发明公开了一种便携式精油扩香仪,包括底座,所述底座上固定安装外壳,所述外壳是上、下均开口的圆筒形外壳,所述外壳的下端端口与底座上表面固定连接,所述外壳内设有隔板,所述隔板上固定安装密封管,所述密封管是两端端口封闭的圆管,所述密封管的一端端面与上液管的另一端端口连通,所述密封管内设有圆球,所述圆球的直径与密封管的直径相匹配,所述密封管内还设有弹簧,所述密封管的侧表面上固定连接输送管,所述输送管的一端端口与密封管的内腔连通,所述输送管的另一端端口穿过隔板与雾化腔的内腔连通。本发明的有益效果是,装置能够有效避免精油泄漏,且结构设计简单实用。(The invention discloses a portable essential oil fragrance-diffusing instrument which comprises a base, wherein a shell is fixedly arranged on the base, the shell is a cylindrical shell with an upper opening and a lower opening, a port at the lower end of the shell is fixedly connected with the upper surface of the base, a partition plate is arranged in the shell, a sealing pipe is fixedly arranged on the partition plate, the sealing pipe is a round pipe with two closed end ports, one end face of the sealing pipe is communicated with the other end port of a liquid feeding pipe, a round ball is arranged in the sealing pipe, the diameter of the round ball is matched with that of the sealing pipe, a spring is further arranged in the sealing pipe, a conveying pipe is fixedly connected onto the side surface of the sealing pipe, one end port of the conveying pipe is communicated with an inner cavity of the sealing pipe, and the other end port of the conveying pipe penetrates through the partition plate to. The invention has the advantages that the device can effectively avoid the leakage of essential oil, and the structural design is simple and practical.)

1. A portable essential oil fragrance-expanding instrument comprises a base (1), wherein a shell (2) is fixedly arranged on the base, the shell is a cylindrical shell with an upper opening and a lower opening, a lower end port of the shell is fixedly connected with the upper surface of the base, a buckle cover (3) is arranged at the upper end port of the shell, a switch (4) is fixedly arranged on the side surface of the shell, and the portable essential oil fragrance-expanding instrument is characterized in that,

a bearing plate (5) is fixedly installed at the upper end port of the shell, the bearing plate completely plugs the upper end port of the shell, a closed inner cavity is defined by the lower surface of the bearing plate, the inner surface of the shell and the upper surface of the base, a fan (6) is fixedly installed on the bearing plate, the fan is communicated with the inner cavity, the blowing direction of the fan is directed to a buckle cover by the inner cavity, the buckle cover is a hemispherical cover, a plurality of vent holes (7) are formed in the buckle cover, a partition plate (8) is arranged in the shell, and the partition plate divides the inner cavity defined by the lower surface of the bearing plate, the inner surface of the shell and the upper surface of;

the device comprises a base, a liquid suction pump, a mounting frame, a liquid suction pipe and a liquid outlet, wherein the left half part of the inner cavity is provided with the mounting frame, a refined oil bottle (9) is mounted on the mounting frame, the opening of the refined oil bottle faces downwards, the opening of the refined oil bottle is sealed through a rubber bottle cap (10), the upper surface of the base is fixedly provided with the liquid suction pump (11), the liquid suction pump is positioned on the left half part of the inner cavity, the liquid inlet of the liquid suction pump is connected with the liquid suction pipe (12), one end of the liquid suction pipe is butted with the liquid suction pump, the other end of the liquid suction pipe penetrates through the;

a battery mounting box (14) is fixedly mounted on the upper surface of the base, a rechargeable lithium battery (15) is fixedly mounted in the battery mounting box, the battery mounting box is located on the right half part of the inner cavity, a supporting plate (16) is arranged above the battery mounting box, one side of the supporting plate is fixedly connected with the inner surface of the shell, the other side of the supporting plate is fixedly connected with a partition plate, an atomization cavity (17) is fixedly mounted on the supporting plate, a partition plate (18) is arranged above the atomization cavity, the left half part of the inner cavity is divided into an upper part and a lower part which are not ventilated by the partition plate, an atomization assembly (19) is fixedly mounted on the atomization cavity, and an atomization port of the atomization assembly penetrates through the partition plate upwards and extends into the upper part;

fixed mounting sealed tube (20) on the baffle, the sealed tube is both ends port confined pipe, the one end terminal surface of sealed tube and the other end port intercommunication of last liquid pipe, be equipped with ball (21) in the sealed tube, the diameter of ball and the diameter phase-match of sealed tube, still be equipped with spring (22) in the sealed tube, the spring is located between the terminal surface of the ball and the sealed tube other end, the natural length of spring is greater than the length of sealed tube, the ball plugs up the port of the liquid pipe other end under the drive of spring force, fixed connection conveyer pipe (23) on the side surface of sealed tube, the one end port of conveyer pipe and the inner chamber intercommunication of sealed tube, the other end port of conveyer pipe passes the inner chamber intercommunication in baffle and atomizing chamber.

2. The portable essential oil fragrance spreading instrument according to claim 1, wherein the diameter of the round ball is slightly larger than that of the sealing tube and ensures that the round ball can divide the sealing tube into two parts which are not communicated, the diameter of the spring is matched with that of the sealing tube, and the diameter of the round ball is larger than that of the delivery tube.

3. The portable essential oil fragrance spreading instrument according to claim 1, wherein the delivery pipe is an L-shaped resin pipe, and a port at one end of the delivery pipe is close to an end face of the sealing pipe.

4. The portable essential oil fragrance spreading instrument according to claim 1, wherein an opening is formed in the lower surface of the base, the opening is communicated with the battery mounting box, a box cover (24) is fixedly mounted at the opening, a long hole is formed in the side surface of the shell, the long hole is communicated with the inner cavity, the position and the length of the long hole correspond to those of the essential oil bottle, a sealing cover (25) is mounted on the long hole, and the sealing cover is fixedly mounted at the position of the long hole through screws and completely covers the long hole.

5. The portable essential oil fragrance spreading instrument according to claim 1, wherein the vent holes are circular holes, the vent holes are arranged in a shape like a Chinese character 'mi', and the diameter of the vent holes is not more than five millimeters.

6. The portable essential oil expands fragrant appearance of claim 1, characterized in that, the mounting bracket is located the position that the half part on the right side of inner chamber leaned on, and the length of mounting bracket is no longer than half of essential oil bottle length, the mounting bracket comprises two mounting panels (26), and two mounting panels are installed on the internal surface of shell according to from the top down order, and two mounting panels are parallel to each other, one side of mounting panel is the arc limit, the arc limit is connected with the internal surface fixed of shell, be equipped with mounting hole (27) on the mounting panel, the upper and lower surface of mounting hole intercommunication mounting panel, fixed mounting rubber circle on the internal surface of mounting hole corresponds from top to bottom the mounting hole on two mounting panels, and the central line of mounting hole all is located same straight line.

7. The portable essential oil fragrance spreading instrument according to claim 6, wherein the diameter of the mounting hole is matched with that of an essential oil bottle, and the essential oil bottle is inserted into the mounting hole and forms interference fit with a rubber ring in the mounting hole.

8. The portable essential oil fragrance spreading instrument according to claim 1, wherein the liquid suction pipe is a resin pipe with an L shape, the other end of the liquid suction pipe is a tip, the other end of the liquid suction pipe vertically penetrates through a rubber bottle cap upwards and extends into the essential oil bottle, and the length of the other end of the liquid suction pipe extending into the essential oil bottle is not more than five millimeters.

9. The portable essential oil fragrance spreading instrument according to claim 1, wherein the liquid feeding pipe is a zigzag resin pipe, one end of the liquid feeding pipe is sleeved on the liquid outlet of the liquid pump, and the other end of the liquid feeding pipe is inserted into one end face of the sealing pipe (29).

10. The portable essential oil fragrance spreading instrument according to claim 1, wherein the casing is a cylindrical casing with a thin upper part and a thick lower part, the lower end port of the casing is fixedly connected with the edge of the upper surface of the base, and the buckle cover is fixedly connected with the upper end port of the casing through threads.

Technical Field

The invention relates to the technical field of aromatherapy, in particular to a portable essential oil fragrance diffusion instrument.

Background

The essential oil expands fragrant machine, also known as champignon machine, fragrant atmosphere appearance, fragrance system, perfuming machine, diffuser, essential oil expand fragrant machine etc. in the industry. The essential oil fragrance diffusing device is an automatic essential oil fragrance diffusing device, is mainly used for products derived according to a user fragrance marketing mode, and is mainly used for providing fragrance for indoor spaces, wherein the indoor spaces generally comprise star hotel lobbies, chain bars, KTVs, building selling centers, automobile exhibition halls, department stores, convention houses, residences and other business places and living places, fragrance particles atomized into ultra-micro smoke-shaped fragrance by the fragrance diffusing machine are diffused, and therefore the whole space diffuses comfortable fragrance.

However, the essential oil fragrance diffuser in the market is generally large in size and inconvenient to move and install, is driven by an external direct-current power supply, and has poor environmental adaptability, and in order to solve the problems, technical personnel in the field provide the concept of a portable essential oil fragrance diffuser, the essential oil fragrance diffuser is miniaturized in size and powered by a battery, so that the technical effect that the essential oil fragrance diffuser can be carried and used is achieved; however, in order to ensure the normal use of the essential oil diffuser during carrying, the technical problem of essential oil leakage must be solved, which is very necessary.

Disclosure of Invention

The invention aims to solve the problems and designs a portable essential oil fragrance diffusion instrument.

A portable essential oil fragrance-expanding instrument comprises a base, wherein a shell is fixedly arranged on the base, the shell is a cylindrical shell with an upper opening and a lower opening, a lower end port of the shell is fixedly connected with the upper surface of the base, a buckle cover is arranged at the upper end port of the shell, a switch is fixedly arranged on the side surface of the shell,

the fan is fixedly installed on the bearing plate, the fan is communicated with the inner cavity, the blowing direction of the fan is directed to a buckle cover from the inner cavity, the buckle cover is a hemispherical cover, a plurality of vent holes are formed in the buckle cover, a partition plate is arranged in the shell, and the partition plate divides the inner cavity defined by the lower surface of the bearing plate, the inner surface of the shell and the upper surface of the base into a left part and a right part;

the device comprises a base, a liquid suction pump, a liquid suction pipe, a liquid outlet and a liquid outlet, wherein a mounting frame is arranged on the left half part of the inner cavity, a refined oil bottle is mounted on the mounting frame, the opening of the refined oil bottle faces downwards, the opening of the refined oil bottle is sealed through a rubber bottle cap, the upper surface of the base is fixedly provided with the liquid suction pump, the liquid suction pump is positioned on the left half part of the inner cavity, the liquid inlet of the liquid suction pump is connected with the liquid suction pipe, one end of the liquid suction pipe is in butt joint with the liquid suction pump, the other end of the liquid suction pipe;

a battery mounting box is fixedly mounted on the upper surface of the base, a rechargeable lithium battery is fixedly mounted in the battery mounting box, the battery mounting box is positioned on the right half part of the inner cavity, a supporting plate is arranged above the battery mounting box, one side of the supporting plate is fixedly connected with the inner surface of the shell, the other side of the supporting plate is fixedly connected with a partition plate, an atomization cavity is fixedly mounted on the supporting plate, a partition plate is arranged above the atomization cavity, the left half part of the inner cavity is divided into an upper part and a lower part which are not ventilated by the partition plate, an atomization assembly is fixedly mounted on the atomization cavity, and an atomization port of the atomization assembly penetrates through the partition plate upwards and extends into the upper part of the left half part of;

fixed mounting sealed tube on the baffle, the sealed tube is both ends port confined pipe, the one end terminal surface of sealed tube and the other end port intercommunication of last liquid pipe, be equipped with the ball in the sealed tube, the diameter of ball and the diameter phase-match of sealed tube, still be equipped with the spring in the sealed tube, the spring is located between the terminal surface of the ball and the sealed tube other end, the natural length of spring is greater than the length of sealed tube, the ball plugs up the port of the liquid pipe other end under the drive of spring force, fixed connection conveyer pipe on the side surface of sealed tube, the one end port of conveyer pipe and the inner chamber intercommunication of sealed tube, the other end port of conveyer pipe passes the inner chamber intercommunication in baffle and atomizing chamber.

The diameter of ball slightly is greater than the diameter of sealing tube and guarantees that the ball can separate into two parts that do not circulate with the sealing tube, the diameter of spring and the diameter phase-match of sealing tube, the diameter of ball is greater than the diameter of conveyer pipe.

The conveying pipe is an L-shaped resin pipe, and a port at one end of the conveying pipe is close to the end face of one end of the sealing pipe.

The lower surface of the base is provided with an opening, the opening is communicated with the battery mounting box, the box cover is fixedly mounted at the opening, a long hole is formed in the side surface of the shell and communicated with the inner cavity, the position and the length of the long hole correspond to those of the essential oil bottle, a sealing cover is mounted on the long hole, and the sealing cover is fixedly mounted at the position of the long hole through screws and completely covers the long hole.

The vent holes are circular holes, the vent holes are arranged in a shape like a Chinese character 'mi', and the diameter of each vent hole is not more than five millimeters.

The mounting bracket is located the position that the right half of inner chamber leaned on down, and the length of mounting bracket is no longer than half of essential oil bottle length, the mounting bracket comprises two mounting panels, and two mounting panels are installed on the internal surface of shell according to from the top down order, and two mounting panels are parallel to each other, one side of mounting panel is the arc limit, the fixed surface connection of arc limit and shell, be equipped with the mounting hole on the mounting panel, the upper and lower surface of mounting hole intercommunication mounting panel, fixed mounting rubber circle on the internal surface of mounting hole corresponds from top to bottom on the mounting hole on two mounting panels, and the central line of mounting hole all is located same straight line.

The diameter of the mounting hole is matched with that of the essential oil bottle, and the essential oil bottle is inserted in the mounting hole and forms interference fit with the rubber ring in the mounting hole.

The liquid suction pipe is a resin pipe with an L-shaped shape, the other end of the liquid suction pipe is a tip, the other end of the liquid suction pipe vertically penetrates the rubber bottle cap upwards and extends into the essential oil bottle, and the length of the other end of the liquid suction pipe extending into the essential oil bottle is not more than five millimeters.

The liquid feeding pipe is a Z-shaped resin pipe, one end of the liquid feeding pipe is sleeved on a liquid outlet of the liquid drawing pump and is fastened through a rope, and the other end of the liquid feeding pipe is inserted into one end face of the sealing pipe.

The shell is a cylindrical shell with a thin upper part and a thick lower part, the port at the lower end of the shell is fixedly connected with the edge of the upper surface of the base, and the buckle cover is fixedly connected with the port at the upper end of the shell through threads.

Advantageous effects

The portable essential oil fragrance diffusion instrument manufactured by the technical scheme of the invention has the following advantages:

1. when the liquid pump is powered on and started, essential oil in an essential oil bottle is conveyed into the sealing pipe and the round ball compression spring is pushed under the driving of the pressure of the liquid pump, so that a port of a liquid conveying pipe is leaked, the essential oil in the sealing pipe is squeezed into an atomizing cavity by the pressure of the liquid pump to realize atomization, and the round ball blocks a liquid feeding pipe under the driving of the spring after the liquid pump is powered off and stopped, so that the essential oil is sealed, and no matter how the device is placed, the essential oil leakage condition cannot occur;

2. the device has simple and practical structural design, does not need excessive valves and sensing devices, effectively reduces the structural complexity of the device, has small difficulty in maintenance and repair and has lower manufacturing cost.

Drawings

FIG. 1 is a schematic view of the internal structure of a portable essential oil fragrance diffusion instrument according to the present invention;

FIG. 2 is a schematic diagram of the external structure of a portable essential oil fragrance diffusion instrument according to the present invention;

FIG. 3 is a schematic structural diagram of the sealing tube of the present invention in a non-conducting state of the switch;

FIG. 4 is a schematic structural diagram of the sealing tube according to the present invention in a switch conducting state;

FIG. 5 is a schematic view of the lower surface of the base of the present invention;

FIG. 6 is a schematic structural view of the mounting plate of the present invention;

in the figure, 1, a base; 2. a housing; 3. covering; 4. a switch; 5. a carrier plate; 6. a fan; 7. a vent hole; 8. a partition plate; 9. a bottle of essential oil; 10. a rubber bottle cap; 11. a liquid pumping pipe; 12. a liquid pump; 13. a liquid feeding pipe; 14. a battery mounting box; 15. a lithium battery; 16. a support plate; 17. an atomizing chamber; 18. a partition plate; 19. an atomizing assembly; 20. a sealing tube; 21. a ball; 22. a spring; 23. a delivery pipe; 24. a box cover; 25. a sealing cover; 26. mounting a plate; 27. and (7) installing holes.

Detailed Description

The invention is described in detail below with reference to the drawings, as shown in FIGS. 1-6;

the bearing plate is fixedly arranged at the upper end port of the shell, the bearing plate completely plugs the upper end port of the shell, a closed inner cavity is formed by the lower surface of the bearing plate, the inner surface of the shell and the upper surface of the base in a surrounding mode, a fan 6 is fixedly arranged on the bearing plate and communicated with the inner cavity, the blowing direction of the fan is a fastening cover pointed by the inner cavity, the fastening cover is a hemispherical cover, a plurality of air holes 7 are formed in the fastening cover, a partition plate 8 is arranged in the shell, and the partition plate divides the inner cavity formed by the lower surface of the bearing plate, the inner surface of the shell and the upper surface of the base into a left part and a right part;

the oil pump is characterized in that a mounting frame is arranged on the left half part of the inner cavity, an oil bottle 9 is mounted on the mounting frame, the opening of the oil bottle faces downwards, the opening of the oil bottle is sealed through a rubber bottle cap 10, a liquid pump 12 is fixedly mounted on the upper surface of the base and located on the left half part of the inner cavity, a liquid inlet of the liquid pump is connected with a liquid pumping pipe 11, one end of the liquid pumping pipe is in butt joint with the liquid pumping pump, the other end of the liquid pumping pipe pierces through the rubber bottle cap and extends into the oil bottle, and a liquid outlet of the liquid pumping pump is fixedly connected with an upper liquid pumping pipe 13;

the invention of this application still lies in, fixed mounting battery mounting box 14 on the upper surface of base, but the rechargeable lithium battery of fixed mounting 15 in the battery mounting box, the battery mounting box is located the right half of inner chamber, battery mounting box top is equipped with backup pad 16, one side of backup pad and the internal surface fixed connection of shell, the another side and the baffle fixed connection of backup pad, fixed mounting atomizing chamber 17 in the backup pad, the top in atomizing chamber is equipped with division board 18, the division board separates the left half of inner chamber into upper and lower two parts that do not ventilate, fixed mounting atomizing component 19 on the atomizing chamber, atomizing component's atomizing port upwards runs through the division board and stretches into the upper portion of the left half of inner chamber;

the utility model provides a creation point still lies in, fixed mounting sealed tube 20 on the baffle, the sealed tube is both ends port confined pipe, the one end terminal surface of sealed tube and the other end port intercommunication of last liquid pipe, be equipped with ball 21 in the sealed tube, the diameter of ball and the diameter phase-match of sealed tube, still be equipped with spring 22 in the sealed tube, the spring is located between the terminal surface of ball and the sealed tube other end, the natural length of spring is greater than the length of sealed tube, the ball plugs up the port of the last liquid pipe other end under the drive of spring force, fixed connection conveyer pipe 23 on the side surface of sealed tube, the one end port of conveyer pipe and the inner chamber intercommunication of sealed tube, the other end port of conveyer pipe passes the inner chamber intercommunication of baffle and atomizing chamber.

The electronic device adopted by the technical scheme comprises:

liquid pump drawing: selecting a liquid pump with the optimal rated voltage of 24V;

the atomization component can select an atomizer with the rated voltage of 24V;

the fan can be a fan with a rated voltage of 24V;

the switch is provided with a switch button, the switch is connected with the rechargeable lithium battery, and meanwhile, the switch is also connected with a power port of the fan, a power port of the liquid pump and a power port of the atomization assembly respectively;

the electronic devices are all existing products, the technical scheme of the application has no special requirements and changes on the structures of the electronic devices, and the electronic devices all belong to conventional electronic equipment;

in the implementation process of the technical scheme, a person in the art needs to connect all the electrical components in the present application with a power supply adapted to the electrical components through a wire, and should select an appropriate controller according to actual conditions to meet control requirements, and specific connection and control sequence.

The sealing pipe is characterized in that the diameter of the round ball is slightly larger than that of the sealing pipe and can be divided into two parts which are not communicated by the round ball, the diameter of the spring is matched with that of the sealing pipe, and the diameter of the round ball is larger than that of the conveying pipe; the conveying pipe is an L-shaped resin pipe, and one end port of the conveying pipe is close to one end face of the sealing pipe; the lower surface of the base is provided with an opening which is communicated with a battery mounting box, a box cover 24 is fixedly mounted at the opening, a long hole is formed in the side surface of the shell and communicated with the inner cavity, the position and the length of the long hole correspond to those of a refined oil bottle, a sealing cover 25 is mounted on the long hole, and the sealing cover is fixedly mounted at the long hole through screws and completely seals the long hole; the vent holes are round holes, the vent holes are arranged in a shape of a Chinese character 'mi', and the diameter of each vent hole is not more than five millimeters; the mounting frame is positioned at the position, close to the right half part of the inner cavity, the length of the mounting frame is not more than half of the length of the essential oil bottle, the mounting frame is composed of two mounting plates 26, the two mounting plates are mounted on the inner surface of the shell from top to bottom in sequence, the two mounting plates are parallel to each other, one side of each mounting plate is an arc-shaped side, the arc-shaped sides are fixedly connected with the inner surface of the shell, mounting holes 27 are formed in the mounting plates and communicated with the upper surface and the lower surface of the mounting plates, rubber rings are fixedly mounted on the inner surfaces of the mounting holes, the mounting holes in the two mounting plates correspond up and down, and the central; the diameter of the mounting hole is matched with that of the essential oil bottle, and the essential oil bottle is inserted in the mounting hole and forms interference fit with the rubber ring in the mounting hole; the liquid pumping pipe is an L-shaped resin pipe, the other end of the liquid pumping pipe is a tip, the other end of the liquid pumping pipe vertically penetrates through the rubber bottle cap upwards and extends into the essential oil bottle, and the length of the other end of the liquid pumping pipe extending into the essential oil bottle is not more than five millimeters; the liquid feeding pipe is a Z-shaped resin pipe, one end of the liquid feeding pipe is sleeved on a liquid outlet of the liquid pump, and the other end of the liquid feeding pipe is inserted into one end face of the sealing pipe; the shell is a cylindrical shell with a thin upper part and a thick lower part, the port at the lower end of the shell is fixedly connected with the edge of the upper surface of the base, and the buckle cover is fixedly connected with the port at the upper end of the shell through threads.

This application technical scheme is in the implementation in-process, twist the screw that seals on the lid earlier, will seal the lid and dismantle from the slot hole, run through the mounting hole on two mounting panels with the essential oil bottle according to the mode from the top down, because the opening of essential oil bottle is down, so the most advanced of liquid suction pipe can pierce through the rubber bottle lid and stretch into the essential oil bottle after the essential oil bottle moves down, whole essential oil bottle is cylindrical, the essential oil bottle is blocked by the rubber circle in the mounting hole, will seal the lid after accomplishing the installation of essential oil bottle and install in slot hole department and through the screw fixation.

When the aromatherapy function needs to be started, a user can press a button on a switch, the fan, the liquid pump and the atomization component are all powered on and started, essential oil in the essential oil bottle is pumped into the sealing pipe and pushes the spherical compression spring under the driving of the pressure of the liquid pump, so that a port of the infusion pipe leaks out, the essential oil in the sealing pipe is squeezed into the atomization cavity by the pressure of the liquid pump to realize atomization, and generated mist is diffused into air through the vent hole in the buckle cover under the suction of the fan to realize the aromatherapy effect;

when not using the champignon function, the user presses the button on the switch, and fan, atomizing subassembly and drawing liquid pump all cut off the power supply and shut down, and the ball returns the primary importance and plugs up the liquid feeding pipe under the drive of spring to realize the sealed effect of essential oil, no matter the device rocks, the slope or the inversion can not take place the condition that essential oil leaked.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.