Contact lens sterilization equipment and sterilization method thereof
Technical Field
The invention relates to the technical field of contact lens production or processing, in particular to a contact lens sterilization device and a contact lens sterilization method.
Background
Contact lenses, also known as contact lenses, are lenses that are worn on the cornea of the eye to correct vision or protect the eye. It includes three kinds of hard, semi-hard and soft according to the hardness of the material. The contact lens brings great improvement to patients with ametropia such as myopia, hyperopia, astigmatism and the like from the aspects of appearance and convenience. The visual field is wide, the visual objects are vivid, and the special effects are exerted on the aspects of controlling the development of myopia and astigmatism of teenagers, treating special eye diseases and the like. The hospital specialist reminds a regular hospital or a lens dispensing mechanism to carry out detailed examination when wearing the contact lenses, selects the contact lenses suitable for being worn by the hospital specialist, pays attention to eye hygiene, avoids causing other eye symptoms, and timely goes to the hospital to carry out examination if finding discomfort after wearing. Silicone hydrogel, hydrated polymers (methyl methacrylate, hydroxyethyl methacrylate, glycerolipid methacrylate, etc.).
The sterilization effect of the prior contact lenses still has a space for improving.
Disclosure of Invention
In view of the above, the present invention provides a first objective of providing a contact lens sterilization apparatus and;
the second objective of the present invention is to provide a method for disinfecting and sterilizing contact lenses, so as to solve the above problems.
In order to solve the technical problems, the technical scheme of the invention is as follows: a contact lens sterilization device comprises a sterilization structure, wherein the sterilization structure comprises a sterilization base and a vacuumizing frame, the sterilization base is used for fixing a lens packaging piece, a packaging cavity is formed in the lens packaging piece, a contact lens is placed in the packaging cavity, a first butt joint structure is arranged at the upper end of the lens packaging piece, a vacuumizing device, a vacuumizing pipe and a butt joint driving structure are arranged on the vacuumizing frame, the butt joint driving structure is used for being matched with the first butt joint structure and enabling a free end of the vacuumizing pipe to extend into the packaging cavity, the other end of the vacuumizing pipe is connected with the vacuumizing device, and the packaging cavity is vacuumized when the vacuumizing device works;
the sterilization base is provided with a heating piece, and the heating piece is used for heating the glasses packaging piece.
Furthermore, a sealing element is arranged in the vacuum tube, the first butt joint structure comprises an upper cover plate, when the upper cover plate is extruded by the vacuum tube, a first sealing hole for the vacuum tube to enter the packaging cavity is formed by opening, and the sealing element is used for sealing the first sealing hole.
Further, be provided with the temperature control structure on the base of disinfecting, the temperature control structure is connected the heating member, the temperature control structure is including temperature sensor, temperature sensor is used for detecting the temperature value of glasses packaging part, and according to the temperature value of glasses packaging part is adjusted the output of heating member so that the temperature value of glasses packaging part reaches predetermined temperature threshold value.
Further, the preset temperature threshold is set to 65-73 degrees celsius.
Further, the sterilization structure is provided with a control module, the control module is provided with a first control strategy and a second control strategy, and the first control strategy is used for controlling the vacuum extractor to work at a first power so as to collect the glasses care solution in the packaging cavity; the second control strategy is used for controlling the vacuum extractor to work at a second power so as to extract air in the packaging cavity.
Furthermore, the sterilization structure is arranged on a rotating frame, the rotating frame is driven by a rotating driving part, and the first control strategy further comprises controlling the rotating driving part to work at a first rotating speed.
Further, the second control strategy may further comprise controlling the rotary drive to operate at a second rotational speed.
In order to achieve the second object of the invention, a contact lens sterilization method is provided, wherein a sterilization structure is provided, the sterilization structure comprises a sterilization base and a vacuum pumping frame, the sterilization base is used for fixing a lens package, a package cavity is formed inside the lens package, a contact lens is placed in the package cavity, a first butt joint structure is arranged at the upper end of the lens package, a vacuum pumping device, a vacuum pumping pipe and a butt joint driving structure are arranged on the vacuum pumping frame, the butt joint driving structure is used for being matched with the first butt joint structure and enabling a free end of the vacuum pumping pipe to extend into the package cavity, the other end of the vacuum pumping pipe is connected with the vacuum pumping device, and the package cavity is vacuumized when the vacuum pumping device works;
the sterilizing base is provided with a heating element, and the heating element is used for heating the glasses packaging part;
the method specifically comprises the following steps:
a fixing step of fixing the eyeglass package on the sterilization base;
breaking the seal, namely penetrating the vacuumizing tube into the packaging cavity;
a first vacuumizing step, controlling the vacuumizing device to work at a first power so as to collect the glasses care solution in the packaging cavity;
a second vacuumizing step, controlling the vacuumizing device to work at a second power so as to suck air in the packaging cavity;
and a heating step of heating the eyeglass package to 65-73 ℃ by a heating member.
Further, a rotating frame is provided, the sterilization structure is arranged on the rotating frame, and the rotating frame is driven by a rotating driving piece;
in the first vacuumizing step, the rotary driving part is controlled to work at a first rotating speed; the second step of evacuating further includes controlling the rotary drive member to operate at a second rotational speed.
The technical effects of the invention are mainly reflected in the following aspects: through setting up like this, can disinfect to the mode through vacuum treatment to contact lens, provide new sterilization mode, improve contact lens's clean effect.
Drawings
FIG. 1: the whole structure of the contact lens sterilization equipment is shown in the specification;
FIG. 2: an enlarged view of part A of FIG. 2 of the contact lens sterilization apparatus of the present invention;
FIG. 3: the invention discloses a structural schematic diagram of a packaging sealing element of contact lens sterilization equipment;
FIG. 4: the sterilization structure schematic diagram of the contact lens sterilization equipment is provided;
FIG. 5: the control circuit topology of the invention.
Reference numerals: 1. an eyeglass package; 11. a packaging cavity; 12. a first docking structure; 13. a second docking structure; 2. a controller; 100. a base; 200. a rotating frame; 210. a rotary drive member; 300. a sterilization structure; 310. a sterilization base; 311. a heating member; 312. a hole of abdication; 313. a temperature control structure; 320. vacuumizing the frame; 321. vacuumizing device; 322. vacuumizing a tube; 323. a docking drive structure; 324. and a seal.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
Referring to fig. 1, in the contact lens sterilization apparatus, a base 100 is provided with a rotary driving member 210, the rotary frame 200 is connected to the base 100 through the rotary driving member 210, and the rotary driving member 210 is used for driving the rotary frame 200 to rotate; as shown in the figure, the rotation driving piece passes through the motor and drives, drive whole swivel mount 200 and rotate, and the structure 300 that disinfects distributes in the circumference of swivel mount 200, so can receive the effect of centrifugal force, at first, the bacterium can appear the broken wall phenomenon under the effect of centrifugal force telling to rotate down, and rotation driving piece 210 sets up to the motor, the motor drives whole swivel mount 200 and rotates just can, and cooperate vacuum effect simultaneously, can be so that contact lens is one inside the casing and hugs closely setting up the direction of lateral wall, guarantee the circumstances such as pincher trees can not appear, guarantee bactericidal effect simultaneously.
The sterilization structure 300 is fixed on the rotating frame 200, the sterilization structure 300 includes a sterilization base 310 and a vacuum-pumping frame 320, the sterilization base 310 is used for fixing a spectacle package 1, a package cavity 11 is formed inside the spectacle package 1, a contact lens is placed in the package cavity 11, a first butt joint structure 12 is arranged at the upper end of the spectacle package 1, a vacuum-pumping device 321, a vacuum-pumping tube 322 and a butt joint driving structure 323 are arranged on the vacuum-pumping frame 320, the butt joint driving structure 323 is used for matching with the first butt joint structure 12 and extending the free end of the vacuum-pumping tube 322 into the package cavity 11, the other end of the vacuum-pumping tube 322 is connected with the vacuum-pumping device 321, and the vacuum-pumping device 321 performs vacuum-pumping on the package cavity 11 when working; the sterilizing base 310 is provided with a heating part 311, and the heating part 311 is used for heating the glasses packaging part 1; as shown in fig. 1 and 2, the sterilization structure 300 is used for evacuating the inside of the glasses package 1, a sealing member 324 is disposed in the evacuation tube 322, the first docking structure 12 includes an upper cover plate, when the upper cover plate is pressed by the evacuation tube 322, a first sealing hole for the evacuation tube 322 to enter the package cavity 11 is formed, and the sealing member 324 is used for sealing the first sealing hole. Referring first to fig. 3, the upper portion of the eyeglass package 1 needs to be able to be opened, so needs to be engaged with the first docking structure 12, and the docking driving mechanism 323 may be controlled by a cylinder to push the first docking mechanism 12 when the docking driving mechanism 323 descends, as shown in fig. 4, in this way, the first docking structure 12 is opened, and the evacuation tube 322 is allowed to enter the interior of the enclosure 11, the opening is then sealed by a seal 324 disposed around the circumference of the evacuation tube 322, creating a communicating sealed space, then, the vacuum extractor 321 is operated to perform the vacuum-extracting operation, and the sterilization structure 300 is configured with a control module, the control module is configured with a first control strategy and a second control strategy, wherein the first control strategy is used for controlling the vacuum extractor 321 to work at a first power so as to collect the lens care solution inside the enclosure 11; the second control strategy is used to control the vacuum extractor 321 to operate at a second power to extract air from the enclosure 11; the sterilization structure 300 is disposed on a rotating frame 200, the rotating frame 200 is driven by a rotating driving member 210, and the first control strategy further includes controlling the rotating driving member 210 to operate at a first rotation speed; the second control strategy also includes controlling the rotary drive 210 to operate at a second rotational speed. Firstly, the nursing liquid is extracted from the interior, the interior is dried at the same time, then the interior is vacuumized, the vacuumizing operation is realized, the first power is less than the second power, and meanwhile, the first rotating speed is less than the second rotating speed. As shown, the number of sterilizing structures 300 on the carousel 200 may be arranged in 6 groups, each group having two stations.
The sterilization base 310 is provided with a temperature control structure 313, the temperature control structure 313 is connected with the heating element 311, the temperature control structure 313 comprises a temperature sensor, the temperature sensor is used for detecting the temperature value of the glasses packaging part 1, and the output power of the heating element 311 is adjusted according to the temperature value of the glasses packaging part 1, so that the temperature value of the glasses packaging part 1 reaches a preset temperature threshold value. The preset temperature threshold is set to 65-73 ℃. The whole temperature control structure 313 is required to be heated when sterilization is carried out, more microorganisms are killed by heating to a preset temperature, and the microorganisms which can generally live in vacuum or low-pressure conditions are difficult to live at 65-73 ℃, so that the sterilization work of the microorganisms can be carried out simultaneously. The heating member 311 transmits heat to the housing of the eyeglass package 1 in a heat conduction manner, and microorganisms are also attached to the housing due to centrifugal force, thus achieving a sterilization effect. The invention is particularly useful for cleaning the recyclates of contact lenses for subsequent use.
In another embodiment, a contact lens sterilization method is provided, a sterilization structure 300 is provided, the sterilization structure 300 includes a sterilization base 310 and a vacuum pumping frame 320, the sterilization base 310 is used for fixing a lens package 1, an encapsulation cavity 11 is formed inside the lens package 1, a contact lens is placed inside the encapsulation cavity 11, a first coupling structure 12 is disposed at an upper end of the lens package 1, a vacuum pump 321, a vacuum pumping tube 322 and a coupling driving structure 323 are disposed on the vacuum pumping frame 320, the coupling driving structure 323 is used for being matched with the first coupling structure 12 and extending a free end of the vacuum pumping tube 322 into the encapsulation cavity 11, the other end of the vacuum pumping tube 322 is connected to the vacuum pump 321, and the vacuum pumping device 321 is used for evacuating the encapsulation cavity 11 when operating;
the sterilizing base 310 is provided with a heating part 311, and the heating part 311 is used for heating the glasses packaging part 1;
the method specifically comprises the following steps:
a fixing step of fixing the eyeglass package 1 to the sterilization base 310;
breaking the seal, namely penetrating the vacuumizing pipe 322 into the packaging cavity 11;
a first vacuum-pumping step, controlling the vacuum-pumping device 321 to work at a first power to collect the lens care solution inside the enclosure 11;
a second vacuum pumping step, controlling the vacuum pumping device 321 to operate at a second power to pump the air in the packaging chamber 11;
a heating step of heating the eyeglass package 1 to 65 to 73 degrees celsius by a heating member 311.
Providing a rotating frame 200, wherein the sterilizing structure 300 is disposed on the rotating frame 200, and the rotating frame 200 is driven by a rotating driving member 210;
in the first vacuum-pumping step, the method further includes controlling the rotary driving element 210 to work at a first rotation speed; the second step of evacuating further includes controlling the rotary driving element 210 to operate at a second rotation speed.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.