Disclosure of Invention
The invention aims to provide a multifunctional VHP sterilizer which can be used at room temperature, has short disinfection period, reduces the damage to human bodies, equipment and the surrounding environment after operation, has stronger penetrability to HEPA and lower initial investment cost of the equipment.
In order to solve the above technical problems, the present invention provides a multifunctional VHP sterilizer including: the organism, one side of organism is provided with external drying system and hydrogen peroxide solution cabinet, the top of organism is provided with the venturi nozzle, be provided with VHP flash vessel, speed governing air-blower, filter and degradation ware in the organism, VHP flash vessel, speed governing air-blower, filter and degradation ware all with external drying system with hydrogen peroxide solution cabinet are linked together through parallel connection pipeline, degradation ware with the venturi nozzle is linked together, be provided with first electronic ball valve, second electronic ball valve and trinity concentration probe on the parallel connection pipeline, first electronic ball valve is located the below of VHP flash vessel, second electronic ball valve is located the top of VHP flash vessel, trinity concentration probe is located the top of degradation ware; the air inlet is arranged on the parallel pipeline and extends out of the machine body, and the air inlet is communicated with the filter; and the air outlet is arranged on the parallel pipeline and extends out of the machine body, and is communicated with the Venturi nozzle and the degradation device.
Preferably, a peristaltic pump is arranged in the hydrogen peroxide solution cabinet, and a liquid discharge end of the peristaltic pump is communicated with the VHP flash evaporator.
Preferably, an electric control cabinet is arranged on one side of the machine body, which is far away from the external drying system, a main operation screen, a work indicator lamp, an audible and visual alarm, a USB interface and an emergency stop button are arranged on the upper surface of the machine body, a main power switch, a power interface and a remote probe interface are arranged on one side of the machine body, which is located on the external drying system, and a network cable port is arranged on the external drying system.
Preferably, the machine body is provided with a temperature sensor, a humidity sensor and a printer, and the filter adopts a polypropylene filter element.
Preferably, four universal wheels are fixedly mounted at the bottom of the machine body and are uniformly distributed in a rectangular array.
Preferably, a screen protection mechanism is arranged at the top of the machine body, and the screen protection mechanism corresponds to the main operation screen.
Preferably, the screen protection mechanism includes installation piece, backing sheet, flip, interior shrouding, fixed establishment and emergency trigger mechanism, the installation piece sets up the top of organism, backing sheet fixed mounting be in the top of installation piece, flip articulates on the backing sheet and with main operating screen is corresponding, interior shrouding fixed mounting be in the top of organism, interior shrouding with one side of backing sheet and with flip looks adaptation, fixed establishment sets up the installation piece with on the flip, emergency trigger mechanism sets up on the flip.
Preferably, the fixing mechanism comprises a buckle ring bolt, a connecting buckle ring and a buckle rod, the buckle ring bolt is installed on the installation piece and the machine body in a threaded mode, the connecting buckle ring is fixedly installed on the outer side of the turnover cover, and the buckle rod is movably installed on the buckle ring bolt and is hung on the connecting buckle ring.
Preferably, the emergency trigger mechanism comprises a sliding rod, a pressing piece, a pressing block and a spring, the sliding rod is slidably mounted on the flip cover, the sliding rod corresponds to the emergency stop button, the pressing piece is arranged in the flip cover and fixedly connected with the sliding rod, the pressing block is arranged outside the flip cover and fixedly connected with one end of the sliding rod far away from the pressing piece, the spring is sleeved on the sliding rod in a sliding manner, and the spring is located outside the flip cover.
Compared with the related art, the multifunctional VHP sterilizer provided by the invention has the following beneficial effects:
the invention provides a multifunctional VHP sterilizer which comprises the following components:
1. firstly, the method comprises the following steps: the disinfection and sterilization can be carried out at room temperature, so that the influence of condition limitation is reduced; secondly, the method comprises the following steps: the disinfection period of the hydrogen peroxide dry mist is only 5-7 hours, the steam disinfection period is 8-10 hours, and the ethylene oxide gas disinfection sterilization period is 12-18 hours, so the disinfection period is shorter; thirdly, the method comprises the following steps: hydrogen peroxide dry mist disinfection and sterilization are harmless to operators and have no pollution to the environment, and the final residues are water and oxygen; fourthly: the steam sterilization causes the cavity to generate great pressure difference change, the service life of the equipment can be shortened by repeatedly pressing and vacuumizing for a long time, and the operation life and the maintenance cycle of the equipment are prolonged by adopting the hydrogen peroxide dry mist sterilization due to the improvement of the pressure and temperature conditions; fifth, the method comprises the following steps: the stainless steel passive film on the inner surface of the cavity is easily damaged by damp and hot gas after long-term use of steam sterilization, and the stainless steel passive film on the inner surface of the cavity is rarely damaged by hydrogen peroxide dry mist sterilization; sixth: a movable hydrogen peroxide dry fog (VHP) sterilizer (with casters) is adopted, multiple sets of equipment can be sterilized in a matched manner, and the initial investment cost of the equipment is reduced; seventh: the hydrogen peroxide dry fog bacteria has good process repeatability and is easy to pass verification and test; eighth: good penetration into the HEPA filter (glass fiber); ninth: no influence on other articles such as devices, electric appliances, clean room wallboards and the like;
2. through the setting of flip, can turn over the fixed mode of rolling over and be convenient for operate and use, also can closed lock when needing to the completion is to the protection of electrical control equipment and subassembly, and urgent trigger mechanism can not hinder operation emergency stop button when urgent, has guaranteed the security.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The first embodiment:
please refer to fig. 1-4. A multifunctional VHP sterilizer comprising: an external drying system 2 and a hydrogen peroxide solution cabinet 4 are arranged on one side of a machine body 1, the top of the machine body 1 is provided with a Venturi nozzle 3, the machine body 1 is internally provided with a VHP flash evaporator 5, a speed-regulating blower 6, a filter 7 and a degrader 8, the VHP flash evaporator 5, the speed regulation blower 6, the filter 7 and the degradation device 8 are communicated with the external drying system 2 and the hydrogen peroxide solution cabinet 4 through parallel pipelines, the degrader 8 is communicated with the Venturi nozzle 3, a first electric ball valve 9, a second electric ball valve 10 and a three-in-one concentration probe 11 are arranged on the parallel pipelines, the first electric ball valve 9 is positioned below the VHP flash evaporator 5, the second electric ball valve 10 is positioned above the VHP flash evaporator 5, and the three-in-one concentration probe 11 is positioned above the degrader 8; the air inlet 12 is arranged on the parallel pipeline and extends out of the machine body 1, and the air inlet 12 is communicated with the filter 7; and the air outlet 13 is arranged on the parallel pipeline and extends to the outside of the machine body 1, and the air outlet 13 is communicated with the Venturi nozzle 3 and the degradation device 8.
A peristaltic pump is arranged in the hydrogen peroxide solution cabinet 4, and the liquid discharge end of the peristaltic pump is communicated with the VHP flash evaporator 5.
An electric control cabinet 14 is arranged on one side, away from the external drying system 2, of the machine body 1, a main operation screen 15, a work indicator lamp 20, an audible and visual alarm 21, a USB interface 22 and an emergency stop button 23 are arranged on the upper surface of the machine body 1, a main power switch 16, a power interface 18 and a remote probe interface 19 are arranged on one side, located on the external drying system 2, of the machine body 1, and a network cable port 17 is arranged on the external drying system 2.
A temperature sensor and a humidity sensor and a printer are arranged on the machine body 1, and the filter 7 is a polypropylene filter element.
Four universal wheels are fixedly mounted at the bottom of the machine body 1 and are uniformly distributed in a rectangular array.
In this embodiment:
preparing: the time length of delayed starting of the equipment is preset, and the equipment counts down after the personnel start the equipment, so that the equipment can be automatically started to operate after the personnel leave;
and (3) sterilization: the speed regulation blower 6 is started to operate, the peristaltic pump is started to add liquid medicine through the hydrogen peroxide solution cabinet 4, hydrogen peroxide liquid enters the VHP flash evaporator 5 to vaporize hydrogen peroxide rapidly, forced circulation is carried out in the space under the action of the speed regulation blower 6, the vaporized hydrogen peroxide is distributed in the sterilization space and fully contacts with the surface of a sterilized article, and the sterilization effect is achieved. Carrying out a sterilization process according to preset sterilization time and dosing rate;
emptying: after the sterilization process is finished, the peristaltic pump stops running, the speed regulation blower 6 keeps rotating, the valve is switched, and the residual hydrogen peroxide in the pipeline is degraded to be below 1 ppm;
the principle of VHP sterilisers is: the bactericidal effect is achieved due to the redox effect, and the bactericidal effect on anaerobic bacillus is particularly good;
the action principle of hydrogen peroxide is as follows: the method dissociates hydroxyl with high activity through complex chemical reaction, is used for attacking components of cells, including cell membrane, lipid, protein and DNA, converts liquid H202 into hydrogen peroxide dry fog through 'flash evaporation', can be effectively carried out in normal temperature and humidity environment, and does not need special pretreatment such as dehumidification and the like;
the dry hydrogen peroxide mist is uniformly introduced into the closed space, and the inner surface thereof is completely exposed to the dry hydrogen peroxide mist to form a hydrogen peroxide film of about 1 μm, which adheres to the surface where microorganisms may inhabit, and the microorganisms themselves are wrapped by the formed microcondensates as a core and are rapidly killed in the process.
Compared with the related art, the multifunctional VHP sterilizer provided by the invention has the following beneficial effects:
the invention provides a multifunctional VHP sterilizer, which comprises the following components: the disinfection and sterilization can be carried out at room temperature, so that the influence of condition limitation is reduced; secondly, the method comprises the following steps: the disinfection period of the hydrogen peroxide dry mist is only 5-7 hours, the steam disinfection period is 8-10 hours, and the ethylene oxide gas disinfection sterilization period is 12-18 hours, so the disinfection period is shorter; thirdly, the method comprises the following steps: hydrogen peroxide dry mist disinfection and sterilization are harmless to operators and have no pollution to the environment, and the final residues are water and oxygen; fourthly: the steam sterilization causes the cavity to generate great pressure difference change, the service life of the equipment can be shortened by repeatedly pressing and vacuumizing for a long time, and the operation life and the maintenance cycle of the equipment are prolonged by adopting the hydrogen peroxide dry mist sterilization due to the improvement of the pressure and temperature conditions; fifth, the method comprises the following steps: the stainless steel passive film on the inner surface of the cavity is easily damaged by damp and hot gas after long-term use of steam sterilization, and the stainless steel passive film on the inner surface of the cavity is rarely damaged by hydrogen peroxide dry mist sterilization; sixth: a movable hydrogen peroxide dry fog (VHP) sterilizer (with casters) is adopted, multiple sets of equipment can be sterilized in a matched manner, and the initial investment cost of the equipment is reduced; seventh: the hydrogen peroxide dry fog bacteria has good process repeatability and is easy to pass verification and test; eighth: good penetration into the HEPA filter (glass fiber); ninth: has no influence on other articles, such as devices, electric appliances, clean room wallboards and the like.
Second embodiment:
based on the multifunctional VHP sterilizer provided in the first embodiment of the present application, a second embodiment of the present application proposes another multifunctional VHP sterilizer. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 5 to 7, the multifunctional VHP sterilizer further includes a screen protection mechanism disposed on the machine body 1, the screen protection mechanism corresponding to the main operation screen 15.
The screen protection mechanism comprises an installation sheet 24, a support sheet 25, a flip cover 26, an inner seal plate 27, a fixing mechanism and an emergency trigger mechanism, wherein the installation sheet 24 is arranged at the top of the machine body 1, the support sheet 25 is fixedly arranged at the top of the installation sheet 24, the flip cover 26 is hinged on the support sheet 25 and corresponds to the main operation screen 15, the inner seal plate 27 is fixedly arranged at the top of the machine body 1, the inner seal plate 27 is matched with one side of the support sheet 25 and the flip cover 26, the fixing mechanism is arranged on the installation sheet 24 and the flip cover 26, the emergency trigger mechanism is arranged on the flip cover 26, and through the arrangement of the flip cover 26, the operation and the use can be conveniently carried out in a turnover fixing mode, and the emergency trigger mechanism can be closed when needed, so that the protection of the electric control equipment and the components thereof is completed.
The fixing mechanism comprises a buckle ring bolt 28, a connecting buckle ring 29 and a buckle rod 30, the buckle ring bolt 28 is installed on the installation piece 24 and the machine body 1 in a threaded mode, the connecting buckle ring 29 is fixedly installed on the outer side of the turnover cover 26, and the buckle rod 30 is movably installed on the buckle ring bolt 28 and is hung with the connecting buckle ring 29.
The emergency trigger mechanism comprises a sliding rod 31, a pressing piece 32, a pressing block 33 and a spring 34, the sliding rod 31 is slidably mounted on the flip cover 26, the sliding rod 31 corresponds to the emergency stop button 23, the pressing piece 32 is arranged in the flip cover 26 and fixedly connected with the sliding rod 31, the pressing block 33 is arranged outside the flip cover 26 and fixedly connected with one end, far away from the pressing piece 32, of the sliding rod 31, the spring 34 is slidably sleeved on the sliding rod 31, the spring 34 is located outside the flip cover 26, the emergency trigger mechanism can not hinder the emergency stop button 23 from being operated in an emergency, and safety is guaranteed.
In this embodiment:
during the use, open flip 26 and hang the knot pole 30 and detain on connecting the buckle 29, thereby accomplish the fixed to flip 26, when not using, or after setting for the completion, for reducing the influence to electrical equipment, flip 26 is turned over this moment, make flip 26 detain main operation screen 15 and its peripheral automatically controlled subassembly with the top of organism 1 and protect, the top and the side of interior shrouding 27 all contact the inner wall of flip 26, accomplish whole closure, only need press the pressing block 33 when needing the scram, make the pressing block 33 promote slide bar 31 and compress spring 34, scram button 23 can be pressed to preforming 32 this moment, thereby accomplish the scram operation to organism 1.
Compared with the related art, the multifunctional VHP sterilizer provided by the invention has the following beneficial effects:
the multifunctional VHP sterilizer is convenient to operate and use in a turnover and fixing mode through the arrangement of the turnover cover 26, and can be closed and buckled when needed, so that the protection of electric control equipment and components of the electric control equipment is completed, an emergency trigger mechanism can not hinder the operation of the emergency stop button 23 in an emergency, and the safety is ensured.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, and the like of the device is not completely described, but the details of the power mechanism, the power supply system, and the control system can be clearly known by those skilled in the art on the premise that the above inventive principle is understood.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.