CN115192744B - Liquid adding and transferring device for low-temperature plasma sterilizer - Google Patents
Liquid adding and transferring device for low-temperature plasma sterilizer Download PDFInfo
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- CN115192744B CN115192744B CN202210561978.XA CN202210561978A CN115192744B CN 115192744 B CN115192744 B CN 115192744B CN 202210561978 A CN202210561978 A CN 202210561978A CN 115192744 B CN115192744 B CN 115192744B
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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
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
- A61L2/186—Peroxide solutions
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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
- A61L2202/15—Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers
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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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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a liquid adding and transferring device for a low-temperature plasma sterilizer, wherein the input end of a first three-way joint is connected with a liquid injection system, the first output end of the first three-way joint is connected with the first input end of a second three-way joint through a three-way pinch valve, and the three-way pinch valve can control the opening and closing of the first output end of the first three-way joint; the second output end of the first three-way joint is connected with the second input end of the second three-way joint through a storage system. When the hydrogen peroxide solution needed to be used by the hydrogen peroxide plasma sterilizer is less than one capsule dosage, the filling system transmits the hydrogen peroxide solution in the capsules to the liquid adding and transferring device, the storage system can meter the hydrogen peroxide solution needed this time, the redundant hydrogen peroxide solution is positioned in the storage system, and the storage system can store the redundant hydrogen peroxide solution, so that the problem that the redundant hydrogen peroxide solution volatilizes to cause the increase of the disinfection and sterilization cost is solved.
Description
Technical Field
The invention relates to the field of medical equipment manufacturing, in particular to a component part of a hydrogen peroxide plasma sterilizer, and particularly relates to a liquid adding and transferring device for a low-temperature plasma sterilizer.
Background
It is well known that repeatedly used medical instruments can be stored after being used and subjected to cleaning, disinfection, sterilization and other treatments, and are convenient for the next use. The hydrogen peroxide plasma sterilizer is sterilization equipment for sterilizing repeated practical medical equipment, has the advantages of short sterilization time, thorough sterilization and the like, and is widely used by various hospitals.
The hydrogen peroxide plasma sterilizer mainly comprises four systems, namely a liquid injection system, a purification system, a sterilization system and a drying system. The hydrogen peroxide solution used in the hydrogen peroxide plasma sterilizer is stored in the capsule of the cassette, the cassette is arranged on the liquid injection system, and the liquid injection needle pierces the outer wall of the capsule, so that the hydrogen peroxide solution in the capsule is conveyed to the purification system.
The working modes of the existing hydrogen peroxide plasma sterilizer are mainly divided into a detection mode, a standard mode, a soft mirror mode and the like. The hydrogen peroxide doses used in the various modes are different, with some modes using a single capsule volume dose and some modes using only half the capsule volume dose. After a capsule is punctured, the function of preserving the hydrogen peroxide solution is lost, for example, the hydrogen peroxide solution in the capsule is not used up, and the residual hydrogen peroxide can evaporate at normal temperature, so that the disinfection and sterilization cost is increased.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a liquid adding and transferring device for a low-temperature plasma sterilizer, which is used for conveying hydrogen peroxide solution into a purification system, wherein the input end of the liquid adding and transferring device is connected with a liquid injection system, the output end of the liquid adding and transferring device is connected with the purification system, the liquid adding and transferring device comprises a fixing frame, a three-way pinch valve, a first three-way joint, a second three-way joint and a storage system are arranged on the fixing frame, the input end of the first three-way joint is connected with the liquid injection system, the first output end of the first three-way joint is connected with the first input end of the second three-way joint through the three-way pinch valve, and the three-way pinch valve can control the opening and closing of the first output end of the first three-way joint; the second output end of the first three-way joint is connected with the second input end of the second three-way joint through a storage system, and the storage system can open and close the second output end of the first three-way joint; the storage system is capable of storing and transporting a disinfection medium; the storage system is provided with a liquid level detection device which is used for detecting the liquid level of the disinfection medium in the storage system. When the hydrogen peroxide plasma sterilizer needs to use one or a plurality of capsule doses of hydrogen peroxide solution, the hydrogen peroxide solution can be directly transmitted into the purification system through the first three-way connector and the second three-way connector, and at the moment, the liquid adding and transmitting device plays a role in transmission; when the hydrogen peroxide solution needed to be used by the hydrogen peroxide plasma sterilizer is less than one capsule dosage, the filling system transmits the hydrogen peroxide solution in the capsule to the liquid adding and transmitting device, the storage system can meter the hydrogen peroxide solution needed this time and transmit the part of the solution to the purifying system, the redundant hydrogen peroxide solution is positioned in the storage system, and the storage system can store the redundant hydrogen peroxide solution, so that the redundant hydrogen peroxide solution is prevented from being directly exposed in the air, the hydrogen peroxide solution volatilizes, and the disinfection and sterilization cost is increased.
The liquid adding and transferring device for the low-temperature plasma sterilizer is used for conveying hydrogen peroxide solution into a purifying system, the input end of the liquid adding and transferring device is connected with a liquid injecting system, the liquid adding and transferring device comprises a fixing frame, a three-way pinch valve, a first three-way joint, a second three-way joint and a storage system are arranged on the fixing frame, the input end of the first three-way joint is connected with the liquid injecting system, the first output end of the first three-way joint is connected with the first input end of the second three-way joint through the three-way pinch valve, and the three-way pinch valve can control the opening and closing of the first output end of the first three-way joint;
the second output end of the first three-way joint is connected with the second input end of the second three-way joint through a storage system, and the storage system can open and close the second output end of the first three-way joint;
the storage system is capable of storing and transporting a disinfection medium; the storage system is provided with a liquid level detection device for detecting the liquid level of the disinfection medium in the storage system.
Further, the storage system comprises a storage device and a first driving piece, wherein the input end of the first driving piece is connected with the second output end of the first three-way joint, and the output end of the first driving piece is connected with the storage device.
Further, the storage device comprises a first liquid storage device, a second liquid storage device and a second driving piece, the first liquid storage device is communicated with the second liquid storage device through the second driving piece, and the second driving piece is used for metering the dosage of the disinfection medium;
the first driving piece is connected with the first liquid storage device, and the second liquid storage device is connected with the second input end of the second three-way joint.
Further, the first liquid storage device comprises a first shell and a first upper cover, a first liquid storage cavity is arranged in the first shell, the first upper cover is used for opening and closing the first liquid storage cavity, ventilation holes penetrating through the upper surface and the lower surface of the first upper cover are formed in the first upper cover, and a control valve is arranged on the first upper cover and used for opening and closing the ventilation holes.
Further, a liquid outlet is formed in the bottom surface of the first shell, and the input end of the first driving piece is connected with the liquid outlet formed in the bottom surface of the first shell.
Further, the second liquid storage device comprises a second shell and a second upper cover, a second liquid storage cavity is arranged in the second shell, the second upper cover is used for opening and closing the second liquid storage cavity, an air filtering device is arranged on the second upper cover, and the lower end of the air filtering device penetrates through the upper surface and the lower surface of the second upper cover and is connected with the second upper cover.
Further, a liquid outlet is also formed in the bottom surface of the second shell, and the liquid outlet formed in the bottom surface of the second shell is connected with the second input end of the second three-way joint.
Further, the bottom surface of the first liquid storage cavity and the bottom surface of the second liquid storage cavity are both funnel-shaped structures.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
the invention provides a liquid adding and transferring device for a low-temperature plasma sterilizer, which divides a hydrogen peroxide solution transferring path into two parts through a first three-way joint and a second three-way joint, wherein the first transferring branch is formed by sequentially connecting a first three-way joint, a three-way pinch valve and a second three-way joint, the input end of the first three-way joint is connected with the output end of a liquid injection system, the three-way pinch valve controls the opening and closing of the first transferring branch, when the dosage of the hydrogen peroxide solution needed by the hydrogen peroxide plasma sterilizer is the sum of the dosages of hydrogen peroxide solution stored in capsules with integral multiples, the first transferring branch is in a communicating state, the purifying system is in a negative pressure state at the moment, and the hydrogen peroxide solution directly enters the purifying system through the first transferring branch under the action of pressure difference; the second transmission branch is formed by sequentially connecting a first three-way joint, a first driving piece, a storage system and a second three-way joint. When the dosage of the hydrogen peroxide solution needed by the hydrogen peroxide plasma sterilizer is not the total dosage of the hydrogen peroxide solution stored in the capsule which is integral multiple, the three-way pinch valve controls the first transmission branch to be closed, at the moment, under the power of the first driving piece, the liquid injection system sucks the hydrogen peroxide solution which is more than the dosage of the hydrogen peroxide solution needed by the hydrogen peroxide plasma sterilizer, and the hydrogen peroxide solution enters the first liquid storage device in the storage system through the first three-way joint to be stored, and when the liquid is discharged into the first liquid storage device, the control valve is opened to keep the air pressure in the first liquid storage device balanced with the external air pressure. When the liquid level detection device detects that the hydrogen peroxide solution in the first liquid storage device is larger than the required hydrogen peroxide solution dosage, the second driving piece is started, the hydrogen peroxide solution in the first liquid storage device can be discharged into the second liquid storage device, the discharged dosage can be controlled, and when the hydrogen peroxide solution dosage in the second liquid storage device is equal to the required dosage, the second driving piece stops working, and at the moment, the first liquid storage device and the second liquid storage device are not communicated. The hydrogen peroxide solution in the second liquid storage device can automatically enter the purification system under the action of pressure difference, and the external air can enter the second liquid storage device through the air filtering device, so that the air pressure in the second liquid storage device is balanced with the external air pressure. When all the hydrogen peroxide solution absorbed by the liquid injection system enters the first liquid storage device, and after the second driving piece stops working, the control valve is closed, at the moment, the first liquid storage device is in a sealed state, and redundant hydrogen peroxide solution can be stored in the first liquid storage device, so that the waste of the hydrogen peroxide solution is avoided.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the connection structure of a liquid feeding transfer device, a liquid injection system and a purification system for a low temperature plasma sterilizer provided by the invention;
FIG. 2 is a schematic view of a liquid feeding transfer device for a low temperature plasma sterilizer according to the present invention;
FIG. 3 is a schematic structural diagram of a first liquid storage device according to the present invention;
FIG. 4 is a schematic view of the structure of the first liquid storage device according to the present invention;
fig. 5 is a schematic structural diagram of a second liquid storage device provided by the present invention;
fig. 6 is a schematic structural diagram of the inside of the second liquid storage device provided by the invention.
Icon: 100. a purification system; 101. a liquid injection system; 110. a fixing frame; 111. a three-way pinch valve; 113. a first three-way joint; 115. a second three-way joint; 131. a storage device; 133. a first driving member; 135. a first liquid storage device; 137. a second reservoir; 139. a second driving member; 141. a first housing; 143. a first upper cover; 145. a control valve; 147. a liquid level detection device; 151. a second housing; 153. a second upper cover; 155. an air filtration device.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
The present invention will be described in detail with reference to fig. 1 to 6.
Referring to fig. 1 and 2, a liquid feeding and transferring device for a low temperature plasma sterilizer is used for delivering hydrogen peroxide solution into a purification system 100, an input end of the liquid feeding and transferring device is connected with an output end of a liquid injection system 101, and an output end of the liquid feeding and transferring device is connected with an input end of the purification system 100. The infusion system 101 is used to aspirate and deliver the hydrogen peroxide solution from the pierced capsule into the infusion delivery device. The liquid-feeding transfer device is capable of quantitatively delivering the hydrogen peroxide solution to the purification system 100 and of preserving the unused hydrogen peroxide solution. The purification system 100 is capable of purifying a hydrogen peroxide solution and delivering the purified hydrogen peroxide to a hydrogen peroxide plasma sterilizer. When the dosage of the hydrogen peroxide solution required by the hydrogen peroxide plasma sterilizer is the dosage of the hydrogen peroxide solution contained in one or a plurality of capsules, the liquid adding and transferring device is used as a transferring pipeline, namely the hydrogen peroxide solution sucked out of the liquid injecting system 101 completely enters the purifying system 100 through the liquid adding and transferring device; when the hydrogen peroxide solution needed to be used by the hydrogen peroxide plasma sterilizer is not integral multiple of the dosage of the capsule, the filling system 101 transmits the hydrogen peroxide solution in the capsule to the filling transmission device, the filling transmission device can quantitatively output the hydrogen peroxide solution to the purification system 100 according to the hydrogen peroxide solution needed at the time, and the redundant hydrogen peroxide solution is stored in the filling transmission device, so that the hydrogen peroxide is stored, and natural volatilization of the hydrogen peroxide in the air is avoided, and the sterilization cost is increased.
Specifically, the liquid adding and transferring device comprises a fixing frame 110, and a three-way pinch valve 111, a first three-way joint 113, a second three-way joint 115 and a storage system are arranged on the fixing frame 110. The first three-way joint 113, the three-way pinch valve 111 and the second three-way joint 115 form a first transmission branch, the input end of the first three-way joint 113 is connected with the liquid injection system 101, the first output end of the first three-way joint 113 is connected with the first input end of the second three-way joint 115 through the three-way pinch valve 111, and the three-way pinch valve 111 can control the opening and closing of the first output end of the first three-way joint 113. Normally, the three-way pinch valve 111 is in an open state, and the first transmission branch is in communication. The purification system 100 is in a negative pressure state, and the hydrogen peroxide solution required by the hydrogen peroxide plasma sterilizer is sucked out by the liquid injection system 101 and then directly enters the purification system 100 through the first transmission branch, is purified by the purification system 100, and enters the hydrogen peroxide plasma sterilizer after being heated.
Referring to fig. 2 to 6, the first tee 113, the storage system and the second tee 115 form a second transmission branch. A second output end of the first three-way joint 113 is connected to a second input end of the second three-way joint 115 through a storage system capable of opening and closing the second transmission branch; the storage system is capable of storing and quantifying the hydrogen peroxide solution. When the hydrogen peroxide solution required by the hydrogen peroxide plasma sterilizer is not an integer multiple of the dosage of the capsule, the three-way pinch valve 111 is closed, and the first transfer branch is blocked by the three-way pinch valve 111, the infusion system 101 will extract more hydrogen peroxide solution than the dosage required by the hydrogen peroxide plasma sterilizer, for example, the hydrogen peroxide plasma sterilizer needs 1.5 hydrogen peroxide solutions contained in the capsules at this time, and the infusion system 101 will extract all hydrogen peroxide solution in both capsules. After the hydrogen peroxide solution enters the storage system, the storage system can meter the dosage of the hydrogen peroxide solution entering the storage system, and take the dosage of the hydrogen peroxide solution required by the hydrogen peroxide plasma sterilizer from the hydrogen peroxide solution to be conveyed into the purification system 100, and the redundant hydrogen peroxide solution is stored in the storage system.
Specifically, the storage system includes a storage device 131 and a first drive 133. The storage device 131 comprises a first liquid storage device 135, a second liquid storage device 137 and a second driving piece 139, wherein the first liquid storage device 135 and the second liquid storage device 137 are communicated through the second driving piece 139, the first liquid storage device 135 and the second liquid storage device 137 are used for storing hydrogen peroxide solution, and the second driving piece 139 is used for metering the dosage of the hydrogen peroxide. The input end of the first driving member 133 is connected with the second output end of the first three-way joint 113, the output end of the first driving member 133 is connected with the first liquid storage device 135, after the side wall of the capsule is punctured by the liquid injection system 101, the first driving member 133 is started to pump out the hydrogen peroxide solution in the capsule and convey the hydrogen peroxide solution into the first liquid storage device 135, then the second driving member 139 is started to quantitatively pump out the hydrogen peroxide solution from the first liquid storage device 135 into the second liquid storage device 137 according to the dosage of the hydrogen peroxide solution. The second reservoir 137 is connected to a second input of the second three-way joint 115. After the purification system 100 is turned on, the hydrogen peroxide solution in the second reservoir 137 is drawn into the purification system 100. In the present embodiment, the first driving element 133 is a peristaltic pump, the second driving element 139 is a metering pump, and when the first driving element 133 and the second driving element 139 are not activated, they correspond to a closed state of the pipe switch.
Specifically, the first liquid storage device 135 includes a first casing 141 and a first upper cover 143, a first liquid storage cavity is provided in the first casing 141, the first upper cover 143 is used for opening and closing the first liquid storage cavity, an air hole penetrating through the upper surface and the lower surface of the first upper cover 143 is provided on the first upper cover 143, and a control valve 145 is provided on the first upper cover 143, wherein the control valve 145 is used for opening and closing the air hole. When the first driving member 133 or/and the second driving member 139 are in a working state, the control valve 145 is in an open state, so that the air pressure in the first liquid storage device 135 is balanced with the external air pressure, when the first driving member 133 and the second driving member 139 are not started, the control valve 145 is in a closed state, at this time, the air holes are closed, the first driving member 133 and the second driving member 139 are closed, the first liquid storage device 135 is in a sealing state, and the hydrogen peroxide solution in the first liquid storage cavity cannot contact with the external air, so that the hydrogen peroxide solution is stored.
In addition, the first casing 141 is provided with a liquid level detecting device 147, and the liquid level detecting device 147 is used for detecting the liquid level of the hydrogen peroxide solution in the first liquid storage cavity, and in this embodiment, the liquid level detecting device 147 is a sensor capable of detecting the liquid level in real time, for example, a float liquid level sensor. When the liquid level detection device 147 detects that the hydrogen peroxide solution in the first liquid storage cavity meets the dosage required by the hydrogen peroxide plasma sterilizer, the second driving piece 139 is started, so that the time for conveying the hydrogen peroxide solution into the hydrogen peroxide plasma sterilizer is shortened, and the sterilization efficiency is improved. The bottom surface of first stock solution chamber is the funnel-shaped structure, is equipped with the liquid outlet on the bottom surface of first shell 141, and the input of first driving piece 133 is connected with the liquid outlet that first shell 141 bottom surface set up. The hydrogen peroxide solution in the first liquid storage cavity can flow out of the first liquid storage cavity conveniently.
It should be noted that, when the first liquid storage cavity is sterilized again, if the dosage of the hydrogen peroxide solution in the first liquid storage cavity meets the dosage required by the sterilization, the second driving member 139 is started to pump the hydrogen peroxide solution into the second liquid storage device 137; if the dosage of the hydrogen peroxide solution in the first liquid storage cavity is smaller than the dosage required by the disinfection, the control system of the hydrogen peroxide plasma sterilizer automatically calculates the missing dosage and controls the filling system 101 to supplement the missing hydrogen peroxide solution.
Further, the second liquid storage device 137 includes a second housing 151 and a second upper cover 153, a second liquid storage cavity is provided in the second housing 151, the second upper cover 153 is used for opening and closing the second liquid storage cavity, an air filtering device 155 is provided on the second upper cover 153, and a lower end of the air filtering device 155 penetrates through an upper surface and a lower surface of the second upper cover 153 and is connected with the second upper cover 153. The bottom surface of second stock solution chamber all is the funnel-shaped structure, also is equipped with the liquid outlet on the bottom surface of second shell 151, is favorable to the hydrogen peroxide solution in the second stock solution chamber to flow out from the liquid outlet entirely, and the liquid outlet that the bottom surface of second shell 151 set up is connected with the second input of second three way connection 115. When the purification system 100 is started, hydrogen peroxide solution in the second liquid storage cavity enters the purification system 100 from the liquid outlet, the air pressure in the second liquid storage cavity is smaller than the external air pressure, and the external air can enter the second liquid storage cavity through the air filtering device 155, so that the air pressure in the second liquid storage cavity and the external air pressure are kept balanced, the air filtering device 155 can filter the air, and the external air is prevented from entering the second liquid storage cavity to be contacted with the hydrogen peroxide solution, so that the hydrogen peroxide solution is polluted.
The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.
Claims (6)
1. A liquid feeding transfer device for low temperature plasma sterilizer for carry hydrogen peroxide solution to purification system in, liquid feeding transfer device's input is connected with annotating the liquid system, and liquid feeding transfer device's output is connected with purification system, its characterized in that: the device comprises a fixing frame, wherein a three-way pinch valve, a first three-way joint, a second three-way joint and a storage system are arranged on the fixing frame, the input end of the first three-way joint is connected with a liquid injection system, the first output end of the first three-way joint is connected with the first input end of the second three-way joint through the three-way pinch valve, and the three-way pinch valve can control the opening and closing of the first output end of the first three-way joint;
the second output end of the first three-way joint is connected with the second input end of the second three-way joint through a storage system, and the storage system can open and close the second output end of the first three-way joint;
the storage system is provided with a liquid level detection device which is used for detecting the liquid level of the disinfection medium in the storage system;
the storage system comprises a storage device and a first driving piece, the input end of the first driving piece is connected with the second output end of the first three-way joint, and the output end of the first driving piece is connected with the storage device;
the storage device comprises a first liquid storage device, a second liquid storage device and a second driving piece, the first liquid storage device is communicated with the second liquid storage device through the second driving piece, and the second driving piece is used for metering the dosage of the disinfection medium; the second driving part is a metering pump, when the second driving part is started, the hydrogen peroxide solution in the first liquid storage device can be discharged into the second liquid storage device, and the discharged dosage can be controlled;
the first driving piece is connected with the first liquid storage device, and the second liquid storage device is connected with the second input end of the second three-way joint.
2. A liquid feeding delivery device for a low temperature plasma sterilizer as claimed in claim 1, wherein: the first liquid storage device comprises a first shell and a first upper cover, a first liquid storage cavity is arranged in the first shell, the first upper cover is used for opening and closing the first liquid storage cavity, ventilation holes penetrating through the upper surface and the lower surface of the first upper cover are formed in the first upper cover, and a control valve is arranged on the first upper cover and used for opening and closing the ventilation holes.
3. A liquid feeding delivery device for a low temperature plasma sterilizer as claimed in claim 2, wherein: the bottom surface of the first shell is provided with a liquid outlet, and the input end of the first driving piece is connected with the liquid outlet arranged on the bottom surface of the first shell.
4. A liquid feeding delivery device for a low temperature plasma sterilizer as claimed in claim 3, wherein: the second liquid storage device comprises a second shell and a second upper cover, a second liquid storage cavity is arranged in the second shell, the second upper cover is used for opening and closing the second liquid storage cavity, an air filtering device is arranged on the second upper cover, and the lower end of the air filtering device penetrates through the upper surface and the lower surface of the second upper cover and is connected with the second upper cover.
5. The liquid feeding delivery device for a low temperature plasma sterilizer as claimed in claim 4, wherein: the bottom surface of the second shell is also provided with a liquid outlet, and the liquid outlet arranged on the bottom surface of the second shell is connected with the second input end of the second three-way joint.
6. The liquid feeding delivery device for a low temperature plasma sterilizer as claimed in claim 5, wherein: the bottom surface of the first liquid storage cavity and the bottom surface of the second liquid storage cavity are both funnel-shaped structures.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210561978.XA CN115192744B (en) | 2022-05-23 | 2022-05-23 | Liquid adding and transferring device for low-temperature plasma sterilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210561978.XA CN115192744B (en) | 2022-05-23 | 2022-05-23 | Liquid adding and transferring device for low-temperature plasma sterilizer |
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| CN115192744A CN115192744A (en) | 2022-10-18 |
| CN115192744B true CN115192744B (en) | 2023-07-07 |
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