CN109092758B - Negative pressure cleaning machine and method for cleaning and disinfecting by using same - Google Patents
Negative pressure cleaning machine and method for cleaning and disinfecting by using same Download PDFInfo
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- CN109092758B CN109092758B CN201810816439.XA CN201810816439A CN109092758B CN 109092758 B CN109092758 B CN 109092758B CN 201810816439 A CN201810816439 A CN 201810816439A CN 109092758 B CN109092758 B CN 109092758B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/17—Combination with washing or cleaning means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/007—Heating the liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0205—Bypass pressure relief valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0217—Use of a detergent in high pressure cleaners; arrangements for supplying the same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2230/00—Other cleaning aspects applicable to all B08B range
- B08B2230/01—Cleaning with steam
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides a negative pressure cleaning machine and a method for cleaning and disinfecting by using the same, and relates to the field of cleaning and disinfecting, wherein the negative pressure cleaning machine comprises a rack, a cleaning cabin arranged on the rack, a control system, a liquid supply mechanism, a steam heating system, a circulating heating system and a vacuum mechanism, wherein the liquid supply mechanism, the steam heating system, the circulating heating system and the vacuum mechanism are controlled by the control system to operate; the liquid supply mechanism is communicated with the cleaning cabin and is used for adding cleaning liquid into the cleaning cabin, and the liquid supply mechanism is provided with a pure water valve. The device is applicable to wider medical instruments, and comprises not only common operations, but also minimally invasive surgical instruments and even robot arms for DaVinci operations; and the cleaning machine can clean more per unit volume than the traditional equipment. The cleaning and disinfecting method is simple and convenient to operate, and instruments to be cleaned can be cleaned only by putting the instruments into the cleaning tank. Under the control of the program, the whole process can ensure that the dead-angle-free cleaning can be carried out on the instruments which are difficult to clean, such as the blind end instruments and the like; can be used for cleaning high-added-value precise medical instruments which are difficult to clean by traditional equipment.
Description
Technical Field
The invention mainly relates to the field of cleaning and disinfecting equipment, in particular to a negative pressure cleaning machine and a method for cleaning and disinfecting by using the same.
Background
In practical work, various medical instruments can be reused after being cleaned and sterilized, and the common cleaning and sterilizing modes are as follows: high-temperature cleaning and disinfection, and disinfectant cleaning and disinfection. But some instruments, such as endoscopes (lumen-like hard scopes), flexible tubes, etc.; the surface of the instrument can only be cleaned by adopting the method, but the inside of the instrument cannot be cleaned, and the important part of the instrument is just the inside of the instrument.
Chinese patent, a negative pressure cleaning device (CN207057183U) for an oil passage of a camshaft cover after a cylinder cover is closed. Negative pressure cleaning device for oil duct of cylinder cover camshaft cover comprises a movement mechanism connected with a negative pressure cleaning mechanism in a sliding mode through a connecting plate, the movement mechanism comprises a pneumatic sliding table, the connecting plate is connected to the front end of the pneumatic sliding table, the negative pressure cleaning mechanism comprises a suction head and a connector connected to the tail end of the suction head, and the tail end of the connector is connected with a vacuum generator through a pipeline. This belt cleaning device simple structure is reliable, can carry out thorough washing with narrow cylinder cap camshaft cover oil duct high-efficiently, but it can only be used for closing camshaft cover oil duct after the tile to the cylinder cap and wash, and application scope is single to this belt cleaning device is not applicable completely to some instruments that can not resist high temperature through the mode of high temperature heating washing disinfection.
Disclosure of Invention
The invention aims to provide a negative pressure cleaning machine and a method for cleaning and disinfecting by using the same, so that the problems are effectively improved.
The invention is realized by the following steps:
based on the above purpose, an embodiment of the present invention provides a negative pressure cleaning machine, which includes a frame and a cleaning cabin installed on the frame, and the negative pressure cleaning machine further includes a control system, and a liquid supply mechanism, a steam heating system, a circulation heating system and a vacuum mechanism which are controlled by the control system to operate;
the liquid supply mechanism is communicated with the cleaning cabin and is used for adding cleaning liquid into the cleaning cabin, and the liquid supply mechanism is provided with a pure water valve;
the circulation heating system comprises a heating box, a water pump, a spray pipe, a circulation inlet pipe and a circulation outlet pipe, wherein a first heating cavity for heating liquid is arranged in the heating box, the heating box is wound with the heating coil, the steam heating system is used for supplying steam into the heating coil, the spray pipe is arranged in the cleaning cabin and is positioned at the top of the cleaning cabin, one end of the circulation inlet pipe is communicated with the spray pipe, the other end of the circulation inlet pipe is communicated with the heating box, one end of the circulation outlet pipe is communicated with the bottom of the cleaning cabin, the other end of the circulation outlet pipe is communicated with the heating box, the water pump is arranged on the circulation outlet pipe, the circulation inlet valve is arranged on the circulation inlet pipe, the circulation outlet pipe is provided with a circulation outlet valve, the water pump is arranged at the bottom of the cleaning cabin, and the circulation outlet valve is arranged between the cleaning cabin and the water, a drain valve is further arranged between the water pump and the heating box, a heating rib for heating is arranged on the peripheral surface of the cleaning cabin, and a second heating cavity is formed in the heating rib;
the steam heating system comprises a steam inlet pipe, a first steam pipe and a second steam pipe, wherein one end of the steam inlet pipe is used for being communicated with external steam equipment, the other end of the steam inlet pipe is respectively communicated with the first steam pipe and the second steam pipe, one end, far away from the steam inlet pipe, of the first steam pipe is communicated with the heating coil, one end, far away from the steam inlet pipe, of the second steam pipe is communicated with the second heating cavity, the first steam pipe is provided with a heating valve, and the second steam pipe is provided with a steam valve;
the vacuum mechanism comprises a vacuum pump, an air processor, a first vacuum tube, a second vacuum tube and a third vacuum tube, one end of the first vacuum tube is communicated with the cleaning cabin, a one-way valve is installed at the other end of the first vacuum tube, one end of the second vacuum tube is communicated with the first vacuum tube and the air processor, the other end of the second vacuum tube is communicated with the cleaning cabin, the air processor is used for purifying external air and then leading the air to the second vacuum tube, one end of the third vacuum tube is communicated with the second vacuum tube, the other end of the third vacuum tube is communicated with the vacuum pump, a return air valve is installed on the second vacuum tube, and a cabin evacuation valve is installed on the third vacuum tube.
The embodiment of the invention also provides a method for cleaning and disinfecting by using the negative pressure cleaning machine, which comprises the following working stages:
the initial washing stage, in this initial washing stage, including intaking, spraying washing and drainage process, this water intaking process is: opening the air return valve, opening the circulating water inlet valve and the circulating water outlet valve, delaying the pure water valve for two seconds to open water, detecting that the water level reaches the spraying water level by the system, closing the pure water valve, and stopping water injection; the spraying and cleaning process comprises the following steps: starting a water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on spraying pressure, and stopping the water pump after the timing time is up; the drainage process comprises the following steps: the drain valve works, begins to drain, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay;
the cleaning stage comprises the procedures of water inlet, spraying and heating, evacuation, emptying, timing and water drainage, wherein the water inlet procedure comprises the following steps: opening a pure water valve to feed water, enabling a liquid adding pump to act, adding enzyme liquid, opening a steam valve when detecting that the water level reaches the spraying water level, starting heating, and continuing adding water if the water level does not reach the spraying water level; the spraying and heating process comprises the following steps: after liquid adding is completed, starting a water pump to spray, opening a heating valve to heat to a set temperature and then keeping the temperature constant, starting timing according to set time, simultaneously carrying out alarm monitoring on spraying pressure, after the timing time is up, closing the water pump and the heating valve, firstly closing the heating valve, then closing the water pump, then closing a circulating water inlet valve and a circulating water outlet valve, and then closing a cabin body emptying valve; the evacuation process comprises the following steps: starting a vacuum pump when all valves except the steam valve are closed, delaying the opening of a cooling valve of the vacuum pump for two seconds, closing the steam valve when the temperature of the inner chamber and the pressure of the jacket reach set values simultaneously, and starting the steam valve when the temperature is lower than the set values; the emptying procedure comprises the following steps: opening an air return valve of the cleaning cabin, and enabling a steam valve to work normally; the timing procedure is as follows: opening an emptying valve at the bottom of the cabin body, starting timing, and closing the vacuum pump after timing is finished; the drainage process comprises the following steps: opening a circulating water inlet valve, a circulating water outlet valve, opening a drain valve, starting draining, delaying for a period of time after detecting a lower liquid level, and closing the drain valve after draining;
the neutralization stage comprises the procedures of pure water feeding, spray cleaning and water drainage, and the procedure of pure water feeding comprises the following steps: the pure water valve is opened to feed water, the pure water valve is closed when the water level is detected to reach the spraying water level, and water injection is stopped; the spraying and cleaning process comprises the following steps: starting a water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on spraying pressure, and stopping the water pump after timing; the drainage process comprises the following steps: the drain valve works, begins to drain, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay;
the rinsing stage comprises pure water feeding, spraying cleaning and water discharging procedures, wherein the pure water feeding procedure comprises the following steps: the pure water valve is opened to feed water, and after the water level is detected to reach the spraying water level, the pure water valve is closed, and water injection is stopped; the spraying and cleaning process comprises the following steps: starting a water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on spraying pressure, and stopping the water pump after timing; the drainage process comprises the following steps: the drain valve works, begins to drain, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay;
the disinfection stage, including into pure water, spray heating and drainage process in this disinfection stage, this pure water process of advancing is: opening a pure water valve to feed water, enabling a liquid adding pump to act, opening a heating valve when the water level reaches the spraying water level, and starting heating; the spraying and heating process comprises the following steps: starting a water pump to start spraying after liquid adding and water feeding are finished, opening a steam valve to heat to a set temperature and keep the temperature constant, starting timing according to set time, simultaneously carrying out alarm monitoring on spraying pressure, closing the water pump and the valve after timing, firstly closing the heating valve, then closing the water pump, then closing a circulating water inlet valve and a circulating water outlet valve, and then closing a cabin emptying valve;
a drying stage;
and (5) a cooling stage.
In an optional embodiment of the invention, in the initial washing stage, the cleaning stage, the neutralization stage and the rinsing stage, the water injection time of the pure water valve can be set according to requirements, and when the water injection time exceeds the set time, the system gives an alarm when the water injection time exceeds the set time, and the pure water valve is closed; the drainage time of the drainage valve can also be set, the drainage alarm time is set within the range of 50 s-2 min, 65s is defaulted, when the drainage of the system is overtime, an alarm is given, and the drainage valve is closed.
In an optional embodiment of the invention, the disinfection stage further comprises a polishing oil injection process, when the pure water valve is opened, the polishing oil can be added after the liquid adding pump acts, and the concentration of the polishing oil can be set according to requirements.
In an alternative embodiment of the present invention, before the initial washing stage is started, it is necessary to select a water level, and then start the program, where the water level includes at least a drain water level, a spray water level, a first-layer water level, a second-layer water level, and a third-layer water level.
In an alternative embodiment of the present invention, the heating temperature of the heating box may be set in the spray heating process in the cleaning stage and the sterilization stage.
Compared with the prior art, the invention has the beneficial effects that:
the negative pressure cleaning machine and the cleaning and disinfecting method using the negative pressure cleaning machine provided by the embodiment of the invention generate a large amount of bubbles through reduced pressure boiling and continuously vibrate, and utilize clean air introduced from the bottom of the cabin body in a vacuum environment to form bubbles to impact pollutants on the surface of an apparatus (under a certain temperature condition, the bubbles can rapidly expand and then suddenly close, in the process, shock waves are generated at the moment of closing the bubbles, so that the pressure of 1012 plus 1013pa and local temperature regulation are generated around the bubbles, and the generated huge pressure can destroy insoluble pollutants to enable the insoluble pollutants to be differentiated in a solution).
The device is applicable to wider medical instruments, not only comprises common operations, but also comprises minimally invasive surgical instruments (the traditional equipment can not ensure the cleaning effect), and even can be used for cleaning the arm of the DaVinci surgical robot. And the cleaning machine can clean more per unit volume than the traditional equipment.
The cleaning and disinfecting method is simple and convenient to operate, and instruments to be cleaned can be cleaned only by being placed in the cleaning tank (without connection). Under the control of the program, the whole process can ensure that the dead-angle-free cleaning can be carried out on the instruments which are difficult to clean, such as the blind end instruments and the like; can be used for cleaning high value-added precision medical instruments which are difficult (or difficult) to clean by traditional equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a negative pressure cleaning machine provided in embodiment 1 of the present invention;
FIG. 2 is a schematic view of the internal structure of the negative pressure cleaner of FIG. 1;
fig. 3 is a process flow chart of the cleaning and disinfecting method provided in embodiment 2 of the present invention.
Icon: 10-a frame; 20-cleaning the cabin; 30-a control system; 40-a liquid supply mechanism; 41-pure water valve; 50-a steam heating system; 51-a steam inlet pipe; 52-first steam tube; 520-a heating valve; 53-second steam tube; 530-a steam valve; 60-a circulation heating system; 61-a heating box; 610-a first heating chamber; 62-a water pump; 63-a spray pipe; 64-circulating water inlet pipe; 640-circulating water inlet valves; 65-circulating water outlet pipe; 650-circulating water outlet valve; 66-heating ribs; 660-a second heating chamber; 67-drain valve; 70-a vacuum mechanism; 71-a vacuum pump; 72-an air handler; 73-a first vacuum tube; 74-a second vacuum tube; 740-a back-to-empty valve; 75-a third vacuum tube; 750-evacuation valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Example 1
Referring to fig. 1 and 2, an embodiment 1 of the present invention provides a negative pressure cleaning machine, which includes a frame 10 and a cleaning cabin 20 installed on the frame 10, and further includes a control system 30, and a liquid supply mechanism 40, a steam heating system 50, a circulation heating system 60, and a vacuum mechanism 70, which are controlled by the control system 30 to operate; the control system 30 may be a PLC controller or other controller, and may be programmed with control software to control the automatic operation of the device. The steam heating system 50 is used for heating the side wall of the cleaning cabin 20; the liquid circulating system is used for exchanging heat between liquid in the cleaning cabin 20 and liquid outside the cleaning cabin 20; the vacuum mechanism 70 is used for vacuumizing and releasing pressure in the cleaning cabin 20; a circulation heater is a device that heats liquid in a liquid circulation system. The liquid supply mechanism 40 is communicated with the cleaning cabin 20 and is used for adding cleaning liquid into the cleaning cabin 20, and the pure water valve 41 is installed on the liquid supply mechanism 40.
The circulating heating system 60 comprises a heating box 61, a water pump 62, a spray pipe 63, a circulating water inlet pipe 64 and a circulating water outlet pipe 65, a first heating cavity 610 for heating liquid is arranged in the heating box 61, a heating coil is wound in the heating box 61, the steam heating system 50 is used for supplying steam into the heating coil, the spray pipe 63 is arranged in the cleaning cabin 20 and is positioned at the top of the cleaning cabin 20, one end of the circulating water inlet pipe 64 is communicated with the spray pipe 63, the other end of the circulating water inlet pipe 64 is communicated with the heating box 61, one end of the circulating water outlet pipe 65 is communicated with the bottom of the cleaning cabin 20, the other end of the circulating water outlet pipe 65 is communicated with the heating box 61, the water pump 62 is arranged on the circulating water outlet pipe 65, a circulating water inlet valve 640 is arranged on the circulating water outlet pipe 65, the water pump 62 is arranged at the bottom of the cleaning cabin, a drain valve 67 is further installed between the water pump 62 and the heating box 61, a heating rib 66 for heating is installed on the outer peripheral surface of the cleaning cabin 20, and a second heating cavity 660 is formed in the heating rib 66.
When the device starts to operate, firstly, the liquid in the cleaning cabin 2020 is heated through the cabin body heating ribs 66, then the liquid in the cleaning cabin 20 is pumped into the heating box 61 through the water pump 62 to be heated again, and the heated liquid flows back into the cabin body through the cabin body water inlet piece again, so that the circulation is carried out, and the water temperature is kept stable.
The steam heating system 50 comprises a steam inlet pipe 51, a first steam pipe 52 and a second steam pipe 53, wherein one end of the steam inlet pipe 51 is used for being communicated with external steam equipment, the other end of the steam inlet pipe 51 is respectively communicated with the first steam pipe 52 and the second steam pipe 53, one end of the first steam pipe 52, which is far away from the steam inlet pipe 51, is communicated with the heating coil, one end of the second steam pipe 53, which is far away from the steam inlet pipe 51, is communicated with the second heating cavity 660, the first steam pipe 52 is provided with a heating valve 520, and the second steam pipe 53 is provided with a steam valve 530.
The vacuum mechanism 70 comprises a vacuum pump 71, an air processor 72, a first vacuum tube 73, a second vacuum tube 74 and a third vacuum tube 75, one end of the first vacuum tube 73 is communicated with the cleaning cabin 20, a one-way valve is installed at the other end of the first vacuum tube 73, one end of the second vacuum tube 74 is communicated with the first vacuum tube 73 and the air processor 72, the other end of the second vacuum tube 74 is communicated with the cleaning cabin 20, the air processor 72 is used for purifying external air and then leading to the second vacuum tube 74, one end of the third vacuum tube 75 is communicated with the second vacuum tube 74, the other end of the third vacuum tube 75 is communicated with the vacuum pump 71, a return air valve 740 is installed on the second vacuum tube 74, and a cabin evacuation valve 750 is installed on the third vacuum tube 75.
It should be noted that, here, one end of the first vacuum tube 73 is communicated with the cleaning chamber 20, and the other end is divided into two passages, wherein one passage is communicated with the air treatment member through the second vacuum tube 74, and the other passage is communicated with the vacuum pump 71 through the third vacuum tube 75, the air treatment member is used for filtering air, so that the air entering the cleaning chamber 20 is clean air, the above-mentioned back-air valve 740 and the evacuation valve 750 respectively installed on the second vacuum tube 74 and the third vacuum tube 75 are in a mutually matched relationship, when the cleaning chamber 20 needs to be vacuumized, the back-air valve 740 is closed, the evacuation valve 750 is opened, at this time, the first vacuum tube 73, the second vacuum tube 74 and the vacuum pump 71 form a passage, and the vacuum pump 71 can perform the vacuumization operation on the cleaning chamber 20. When external air needs to be introduced into the cleaning compartment 20, the back-air valve 740 is opened, the evacuation valve 750 is closed, and at this time, the first vacuum tube 73, the third vacuum tube 75 and the cleaning compartment 20 form a passage, so that air automatically enters the cleaning compartment 20 after passing through the air treatment member due to air pressure in the cleaning compartment 20.
Example 2
Referring to fig. 3, an embodiment 2 of the present invention provides a method for cleaning and disinfecting by using a negative pressure cleaning machine, which includes the following working stages:
primary washing, cleaning, neutralizing, rinsing, disinfecting, drying and cooling. The detailed process comprises the following steps:
and a primary washing stage, wherein the primary washing stage comprises the procedures of water inlet, spray washing and water drainage.
The water inlet process comprises the following steps: opening the air return valve, opening the circulating water inlet valve and the circulating water outlet valve, delaying the pure water valve for two seconds to open water, detecting that the water level reaches the spraying water level by the system, closing the pure water valve, and stopping water injection; when the water injection time exceeds the set time, the system gives an alarm when overtime and can control to close the pure water valve.
The spraying and cleaning process comprises the following steps: and starting the water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on the spraying pressure, and stopping the water pump after the timing time is up.
The drainage process comprises the following steps: the drain valve works, begins to drain, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay; the drainage alarm time can be set, the setting range is 50 s-2 min, the default is 65s, and the system drainage overtime alarm is given.
And a cleaning stage, wherein the cleaning stage comprises the procedures of water feeding, spray heating, evacuation, emptying, timing and water drainage.
The water inlet process comprises the following steps: opening a pure water valve to feed water, operating a liquid adding pump, adding enzyme liquid (the concentration can be set according to the requirement), opening a steam valve when detecting that the water level reaches the spraying water level, starting heating, and continuing adding water if the water level does not reach the spraying water level; similarly, the water inlet time is overtime, and the water inlet overtime of the system alarms.
The spraying and heating process comprises the following steps: the starting conditions of the water pump are that liquid adding is completed and water feeding is completed. After liquid adding is finished, a water pump is started to spray, a heating valve is opened to heat to a set temperature (the temperature can be set according to the requirement), and then the constant temperature is kept. And starting timing according to set time, simultaneously carrying out alarm monitoring on the spraying pressure, after the timing time is up, closing the water pump and the heating valve, closing the heating valve, then closing the water pump, then closing the circulating water inlet valve and the circulating water outlet valve, and then closing the cabin emptying valve.
The evacuation process comprises the following steps: and (3) closing all the valves except the steam valve, starting the vacuum pump, delaying the opening of a cooling valve of the vacuum pump for two seconds, closing the steam valve when the temperature of the inner chamber and the pressure of the jacket reach set values simultaneously, and starting the steam valve when the temperature is lower than the set value.
The emptying procedure comprises the following steps: and opening an air return valve of the cleaning cabin, and enabling the steam valve to work normally.
The timing procedure is as follows: and opening an emptying valve at the bottom of the cabin body, starting timing, and closing the vacuum pump after timing is finished.
The drainage process comprises the following steps: and opening a circulating water inlet valve, a circulating water outlet valve, opening a drain valve, starting drainage, delaying for a period of time after the lower liquid level is detected, and closing the drain valve after the water is drained, wherein the same drainage alarm time can be set, the setting range is 50 s-2 min, the default is 65s, and the system drainage overtime alarm is given.
And a neutralization stage, wherein the neutralization stage comprises the procedures of pure water feeding, spray cleaning and water drainage.
The pure water feeding process comprises the following steps: and (4) opening the pure water valve to feed water, detecting that the water level reaches the spraying water level, closing the pure water valve, stopping water injection, and similarly, when the water feeding time is overtime, alarming when the water feeding time of the system is overtime.
The spraying and cleaning process comprises the following steps: and starting the water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on the spraying pressure, and stopping the water pump after timing.
The drainage process comprises the following steps: the drain valve works, the drainage is started, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay, the same drainage alarm time can be set, the setting range is 50 s-2 min, the default is 65s, and the system drainage overtime alarms.
And a rinsing stage, wherein the rinsing stage comprises pure water feeding, spray cleaning and water discharging processes.
The pure water feeding process comprises the following steps: and (3) opening the pure water valve to feed water, closing the pure water valve after detecting that the water level reaches the spraying water level, stopping water injection, and similarly, when the water feeding time is overtime, alarming when the water feeding time of the system is overtime.
The spraying and cleaning process comprises the following steps: and starting the water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on the spraying pressure, and stopping the water pump after timing.
The drainage process comprises the following steps: the drain valve works, begins to drain, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay; the same drainage alarm time can be set, the setting range is 50 s-2 min, the default is 65s, and the system drainage overtime alarms.
And a disinfection stage, wherein the disinfection stage comprises the procedures of pure water feeding, spraying heating and water drainage.
The pure water feeding process comprises the following steps: and (3) opening a pure water valve to feed water, enabling a liquid adding pump to act, opening a heating valve when the water level is detected to reach the spraying water level, starting heating, and similarly, when the water feeding time is overtime, alarming when the water feeding time of the system is overtime.
The spraying and heating process comprises the following steps: starting a water pump to start spraying after liquid adding and water feeding are finished, opening a steam valve to heat to a set temperature and keep the temperature constant, starting timing according to set time, simultaneously carrying out alarm monitoring on spraying pressure, closing the water pump and the valve after timing, firstly closing the heating valve, then closing the water pump, then closing a circulating water inlet valve and a circulating water outlet valve, and then closing a cabin emptying valve; the same drainage alarm time can be set, the setting range is 50 s-2 min, the default is 65s, and the system drainage overtime alarms.
A drying stage; the drying is carried out by vacuumizing and heating, so that the moisture on the instrument can be evaporated, and the drying effect is good.
In the cooling stage, the instrument can be cooled in a standing cooling mode.
Claims (5)
1. A negative pressure cleaning machine comprises a rack and a cleaning cabin arranged on the rack, and is characterized by further comprising a control system, a liquid supply mechanism, a steam heating system, a circulating heating system and a vacuum mechanism, wherein the liquid supply mechanism, the steam heating system, the circulating heating system and the vacuum mechanism are controlled to operate by the control system;
the liquid supply mechanism is communicated with the cleaning cabin and is used for adding cleaning liquid into the cleaning cabin, and the liquid supply mechanism is provided with a pure water valve;
the circulation heating system comprises a heating box, a water pump, a spray pipe, a circulation inlet pipe and a circulation outlet pipe, wherein a first heating cavity for heating liquid is arranged in the heating box, the heating box is wound with the heating coil, the steam heating system is used for supplying steam into the heating coil, the spray pipe is arranged in the cleaning cabin and is positioned at the top of the cleaning cabin, one end of the circulation inlet pipe is communicated with the spray pipe, the other end of the circulation inlet pipe is communicated with the heating box, one end of the circulation outlet pipe is communicated with the bottom of the cleaning cabin, the other end of the circulation outlet pipe is communicated with the heating box, the water pump is arranged on the circulation outlet pipe, the circulation inlet valve is arranged on the circulation inlet pipe, the circulation outlet pipe is provided with a circulation outlet valve, the water pump is arranged at the bottom of the cleaning cabin, and the circulation outlet valve is arranged between the cleaning cabin and the water, a drain valve is further arranged between the water pump and the heating box, a heating rib for heating is arranged on the peripheral surface of the cleaning cabin, and a second heating cavity is formed in the heating rib;
the steam heating system comprises a steam inlet pipe, a first steam pipe and a second steam pipe, wherein one end of the steam inlet pipe is used for being communicated with external steam equipment, the other end of the steam inlet pipe is respectively communicated with the first steam pipe and the second steam pipe, one end, far away from the steam inlet pipe, of the first steam pipe is communicated with the heating coil, one end, far away from the steam inlet pipe, of the second steam pipe is communicated with the second heating cavity, the first steam pipe is provided with a heating valve, and the second steam pipe is provided with a steam valve;
the vacuum mechanism comprises a vacuum pump, an air processor, a first vacuum tube, a second vacuum tube and a third vacuum tube, one end of the first vacuum tube is communicated with the cleaning cabin, a one-way valve is installed at the other end of the first vacuum tube, one end of the second vacuum tube is communicated with the first vacuum tube and the air processor, the other end of the second vacuum tube is communicated with the cleaning cabin, the air processor is used for purifying external air and then leading the air to the second vacuum tube, one end of the third vacuum tube is communicated with the second vacuum tube, the other end of the third vacuum tube is communicated with the vacuum pump, a return air valve is installed on the second vacuum tube, and a cabin evacuation valve is installed on the third vacuum tube.
2. Method for cleaning and disinfecting with a negative pressure cleaner as claimed in claim 1, characterized in that it comprises the following working phases:
the initial washing stage, in this initial washing stage, including intaking, spraying washing and drainage process, this water intaking process is: opening the air return valve, opening the circulating water inlet valve and the circulating water outlet valve, delaying the pure water valve for two seconds to open water, detecting that the water level reaches the spraying water level by the system, closing the pure water valve, and stopping water injection; the spraying and cleaning process comprises the following steps: starting a water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on spraying pressure, and stopping the water pump after the timing time is up; the drainage process comprises the following steps: the drain valve works, begins to drain, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay;
the cleaning stage comprises the procedures of water inlet, spraying and heating, evacuation, emptying, timing and water drainage, wherein the water inlet procedure comprises the following steps: opening a pure water valve to feed water, enabling a liquid adding pump to act, adding enzyme liquid, opening a steam valve when detecting that the water level reaches the spraying water level, starting heating, and continuing adding water if the water level does not reach the spraying water level; the spraying and heating process comprises the following steps: after liquid adding is completed, starting a water pump to spray, opening a heating valve to heat to a set temperature and then keeping the temperature constant, starting timing according to set time, simultaneously carrying out alarm monitoring on spraying pressure, after the timing time is up, closing the water pump and the heating valve, firstly closing the heating valve, then closing the water pump, then closing a circulating water inlet valve and a circulating water outlet valve, and then closing a cabin body emptying valve; the evacuation process comprises the following steps: starting a vacuum pump when all valves except the steam valve are closed, delaying the opening of a cooling valve of the vacuum pump for two seconds, closing the steam valve when the temperature of the inner chamber and the pressure of the jacket reach set values simultaneously, and starting the steam valve when the temperature is lower than the set values; the emptying procedure comprises the following steps: opening an air return valve of the cleaning cabin, and enabling a steam valve to work normally; the timing procedure is as follows: opening an emptying valve at the bottom of the cabin body, starting timing, and closing the vacuum pump after timing is finished; the drainage process comprises the following steps: opening a circulating water inlet valve, a circulating water outlet valve, opening a drain valve, starting draining, delaying for a period of time after detecting a lower liquid level, and closing the drain valve after draining;
the neutralization stage comprises the procedures of pure water feeding, spray cleaning and water drainage, and the procedure of pure water feeding comprises the following steps: the pure water valve is opened to feed water, the pure water valve is closed when the water level is detected to reach the spraying water level, and water injection is stopped; the spraying and cleaning process comprises the following steps: starting a water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on spraying pressure, and stopping the water pump after timing; the drainage process comprises the following steps: the drain valve works, begins to drain, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay;
the rinsing stage comprises pure water feeding, spraying cleaning and water discharging procedures, wherein the pure water feeding procedure comprises the following steps: the pure water valve is opened to feed water, and after the water level is detected to reach the spraying water level, the pure water valve is closed, and water injection is stopped; the spraying and cleaning process comprises the following steps: starting a water pump, starting timing according to set time, continuously spraying water in the cleaning cabin, simultaneously carrying out alarm monitoring on spraying pressure, and stopping the water pump after timing; the drainage process comprises the following steps: the drain valve works, begins to drain, after the liquid level under the drainage is triggered, the drain valve is closed after a period of time delay;
the disinfection stage, including into pure water, spray heating and drainage process in this disinfection stage, this pure water process of advancing is: opening a pure water valve to feed water, enabling a liquid adding pump to act, opening a heating valve when the water level reaches the spraying water level, and starting heating; the spraying and heating process comprises the following steps: starting a water pump to start spraying after liquid adding and water feeding are finished, opening a steam valve to heat to a set temperature and keep the temperature constant, starting timing according to set time, simultaneously carrying out alarm monitoring on spraying pressure, closing the water pump and the valve after timing, firstly closing the heating valve, then closing the water pump, then closing a circulating water inlet valve and a circulating water outlet valve, and then closing a cabin emptying valve;
a drying stage;
and (5) a cooling stage.
3. The cleaning and disinfecting method according to claim 2, characterized in that in the initial washing stage, the cleaning stage, the neutralization stage and the rinsing stage, the water injection time of the pure water valve can be set according to requirements, when the water injection time exceeds the set time, the system alarms when overtime, and the pure water valve is closed; the drainage time of the drainage valve can also be set, the drainage alarm time setting range is 50 s-2 min, 65s is defaulted, when the system drainage is overtime, an alarm is given, and the drainage valve is closed.
4. The method according to claim 2, wherein the disinfection stage further comprises a step of filling polishing oil, and the polishing oil is added after the pure water valve is opened and the liquid filling pump is operated, and the concentration of the polishing oil can be set as required.
5. The cleaning and disinfecting method according to claim 2, characterized in that the heating temperature of the heating tank can be set in the cleaning stage and the shower heating process in the disinfecting stage.
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| CN201810816439.XA CN109092758B (en) | 2018-07-24 | 2018-07-24 | Negative pressure cleaning machine and method for cleaning and disinfecting by using same |
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| CN109092758B true CN109092758B (en) | 2020-04-07 |
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| CN109821795A (en) * | 2019-01-10 | 2019-05-31 | 老肯医疗科技股份有限公司 | A kind of cleaning hydraulic regulating system and its adjusting method for medical cleaner |
| CN109590270B (en) * | 2019-02-14 | 2021-08-06 | 河南中医药大学 | Medical instrument cleaning and sterilizing device |
| CN110102531A (en) * | 2019-06-13 | 2019-08-09 | 河南省三强医疗器械有限责任公司 | A kind of automatic cleaning and disinfecting and its working method |
| CN110355131B (en) * | 2019-08-01 | 2020-12-08 | 郑州大学第一附属医院 | Medical instrument negative pressure suction belt cleaning device |
| CN110487029B (en) * | 2019-08-23 | 2021-12-31 | 老肯医疗科技股份有限公司 | Drying method of medical instrument |
| CN112517520A (en) * | 2020-11-12 | 2021-03-19 | 山东新华医疗器械股份有限公司 | Vacuum cleaning system and cleaning method |
| CN114557782B (en) * | 2022-02-28 | 2024-03-26 | 江苏省苏北人民医院 | Automatic cleaning and drying device for surgical instruments of da vinci robot |
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