CN211797848U

CN211797848U - Medical instrument disinfection cabinet

Info

Publication number: CN211797848U
Application number: CN201921477091.2U
Authority: CN
Inventors: 李晓艳; 刘国娇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-10-30
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a medical apparatus disinfection cabinet, which comprises a disinfection gas generating device and a disinfection irradiation device. The sterilizing gas generating device comprises a cathode water inlet gas guide area, an electrode reaction area, a direct-current power supply, a voltmeter, an ammeter, an anode water inlet gas guide area, a communicating pipe and a water tank; the disinfection irradiation device comprises a cabinet body (15), a cache tank (11), a first airflow pipeline (12), a centrifugal fan (13), a second airflow pipeline (14) and a drawer door (16). The utility model adopts the solid polymer electrolyte membrane and the distilled water for ionization, which can not pollute the environment; the utility model discloses a gaseous generating device of disinfection and disinfection irradiation apparatus separation or combination that can be convenient have increased the flexibility, practice thrift the occupation of land space.

Description

Medical instrument disinfection cabinet

Technical Field

The utility model relates to the relevant technology in the field of disinfection and sterilization, in particular to a medical appliance disinfection cabinet.

Background

Ozone ions as a strong oxidant and disinfectant can not only play its oxidation role in air with gas, but also can be dissolved in water to generate active particles such as hydroxyl and monatomic oxygen, so that harmful substances are degraded into carbon dioxide or water and inorganic salts, and ozone itself can also be decomposed, and because the disinfection capability is strong, the effect is good, and no secondary pollution is generated, and the advantages of strong disinfection capability, good effect, no secondary pollution, and the like are more and more emphasized in the field of environmental protection, and the ozone disinfectant is applied to the aspects of industrial sanitation, medical sanitation and the like.

It is known that in hospitals for example: the ware class instrument equipment of chemical examination etc. it is not easy to preserve, because environmental factor, meets or breeds various bacteriums very easily, lacks and can keep temporarily to convenient nimble aseptic sterilizer of sustainable disinfection again, and traditional sterilizer is bulky, and the power consumption is higher, and the part is difficult for dismantling, and it is also comparatively inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical apparatus sterilizer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a medical instrument sterilizing cabinet comprises a sterilizing gas generating device and a sterilizing and irradiating device. The sterilizing gas generating device comprises a cathode water inlet gas guide area, an electrode reaction area, a direct-current power supply, a voltmeter, an ammeter, an anode water inlet gas guide area, a connecting pipe and a water tank; the water tank is divided into a left tank body and a right tank body which are independent, and two exhaust holes are respectively arranged above the two tank bodies; a semi-annular pipe is arranged at the bottom of the two box bodies close to the joint, and the semi-annular pipe is communicated with the two box bodies; connecting pipes are respectively connected below the two box bodies of the water tank, the connecting pipes are of U-shaped structures, and two ports of the connecting pipes are communicated with the respective box bodies; the right pipeline of the left connecting pipe is communicated with the anode water inlet and air guide area, and the left pipeline of the right connecting pipe is communicated with the cathode water inlet and air guide area; an electrode reaction area is arranged between the anode water inlet gas guide area and the cathode water inlet gas guide area; a direct current power supply is connected below the electrode reaction area, and a voltmeter and an ammeter are arranged on a circuit of the direct current power supply in parallel and in series;

the electrode reaction area is divided into an anode reaction area and a cathode reaction area, and an electrode assembly of the anode reaction area consists of an anode catalyst membrane, an electrode plate and a porous current collector; the electrode assembly of the cathode reaction zone consists of a cathode catalyst membrane, an electrode plate and a porous current collector; a solid polymer electrolyte membrane is arranged between the anode catalyst membrane and the cathode catalyst membrane; the electrode plate consists of a sealing washer and a flow guide plate, the sealing washers are positioned on two sides of the flow guide plate, and the flow guide plate of the anode reaction zone and the flow guide plate of the cathode reaction zone are symmetrically arranged;

the disinfection irradiation device comprises a cabinet body, a cache tank, a first airflow pipeline, a centrifugal fan, a second airflow pipeline and a drawer door; the lower part of one side of the cabinet body is connected with the cache tank through a first airflow pipeline, and a drawer door is arranged in front of the cabinet body; a second airflow pipeline is communicated with the center of the top of the cabinet body; the second airflow pipeline is connected to the first airflow pipeline through a centrifugal fan arranged on the side wall of the cabinet body; a cache tank interface is arranged below the cache tank and connected to the exhaust port; five groups of ultraviolet light wave lamp tubes are arranged on the bottom surface in the cabinet body in parallel.

As a further aspect of the present invention: distilled water is contained in the water tank, and the volume of the distilled water accounts for one half of the volume of the water tank.

As a further aspect of the present invention: the thickness of the anode catalyst membrane is 0.2mm-0.4mm, and the anode catalyst membrane is made of lead dioxide or tin dioxide; the thickness of the cathode catalyst membrane is 0.3mm-0.4mm, and the cathode catalyst membrane is made of carbon-nickel alloy; the anode catalyst membrane and the cathode catalyst membrane are preferably catalyst membranes comprising polytetrafluoroethylene and platinum.

As a further aspect of the present invention: the solid polymer electrolyte membrane adopts a solid electrolyte, also known as a solid polymer ion exchange membrane, electrocatalytic particles are directly attached to two sides of the membrane, and the utility model discloses a sulfonic acid ion exchange membrane of DuPont company is also known as a Nafion membrane.

As a further aspect of the present invention: the porous collector plate is a composite electrode plate matched with a nafion membrane.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model adopts the ionization of solid polymer and distilled water, which can not pollute the environment, while the traditional ionization of air medium can generate harmful nitrogen oxide; the electrode area adopts a collector structure, and the catalyst membrane adopts a carbon-nickel alloy and polytetrafluoroethylene-containing material, so that the ozone generation rate can be effectively improved, and the corrosion resistance of an electrode assembly in the reaction area can be improved.

The integral framework of the utility model is simpler and more simple, the structure of the centrifugal fan is more in accordance with the fluid mechanics design principle, the gas circulation in the box body is promoted, and the disinfection effect is improved; and the whole body adopts a split design, the two parts can be conveniently separated and combined, the flexibility is increased, the occupied space is saved, the replacement or maintenance is more convenient, and the reaction zone adopts a low-voltage direct-current power supply to take safety and environmental protection into consideration.

Drawings

FIG. 1 is a schematic view of a sterilizing gas generating apparatus of a medical instrument sterilizing cabinet;

FIG. 2 is a schematic view showing the structure of an electrode reaction region 2 in a sterilizer for medical instruments;

FIG. 3 is a schematic view showing the structure of an electrode assembly in the electrode reaction zone 2 of a medical instrument sterilizer;

fig. 4 is a schematic view of the overall structure of a medical instrument disinfection cabinet.

In the figure: a cathode water inlet gas guide area 1; an electrode reaction zone 2; 2-1 of an anode catalyst membrane; a solid polymer electrolyte membrane 2-2; 2-3 of a cathode catalyst membrane; 2-4 of an electrode plate; 2-5 of porous current collecting sheets; 2-6 parts of a sealing gasket; 2-7 of a guide plate; a DC power supply 3; a voltmeter 4; an ammeter 5; an anode water inlet gas guide area 6; a connecting pipe 7; a water tank 8; an exhaust port 9; a buffer tank interface 10; a buffer tank 11; a first gas flow duct 12; a centrifugal fan 13; a second gas flow duct 14; a cabinet body 15; a drawer door 16 and an ultraviolet light wave lamp 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, in an embodiment of the present invention, a medical instrument disinfecting cabinet includes a disinfecting gas generating device and a disinfecting irradiation device. The sterilizing gas generating device comprises a cathode water inlet gas guide area 1, an electrode reaction area 2, a direct current power supply 3, a voltmeter 4, an ammeter 5, an anode water inlet gas guide area 6, a connecting pipe 7 and a water tank 8; the water tank 8 is divided into a left box body and a right box body which are independent, and two exhaust holes 9 are respectively arranged above the two box bodies; a semi-annular pipe is arranged at the bottom of the two box bodies close to the joint, and the semi-annular pipe is communicated with the two box bodies; connecting pipes 7 are respectively connected below the two box bodies of the water tank 8, the connecting pipes 7 are of U-shaped structures, and two ports of the connecting pipes 7 are communicated with the respective box bodies; the right pipeline of the left connecting pipe 7 is communicated with the anode water inlet gas guide area 6, and the left pipeline of the right connecting pipe 7 is communicated with the cathode water inlet gas guide area 1; an electrode reaction zone 2 is arranged between the anode water inlet gas guide zone 6 and the cathode water inlet gas guide zone 1; a direct current power supply 3 is connected below the electrode reaction zone 2, and a voltmeter 4 and an ammeter 5 are arranged in parallel and in series on a circuit of the direct current power supply 3; the anode water inlet gas guide area 6 and the cathode water inlet gas guide area 1 not only convey distilled water and remove gas generated by reaction, but also play a role of fixing splints;

the electrode reaction zone 2 is divided into an anode reaction zone and a cathode reaction zone, and an electrode assembly of the anode reaction zone consists of an anode catalyst membrane 2-1, an electrode plate 2-4 and a porous current collector 2-5; the electrode assembly of the cathode reaction zone consists of a cathode catalyst membrane 2-3, an electrode plate 2-4 and a porous collector 2-5; a solid polymer electrolyte membrane 2-2 is arranged between the anode catalyst membrane 2-1 and the cathode catalyst membrane 2-3; the electrode plate 2-4 consists of a sealing washer 2-6 and a guide plate 2-7, the sealing washer 2-6 is positioned at two sides of the guide plate 2-7, and the guide plate 2-7 of the anode reaction zone and the guide plate 2-7 of the cathode reaction zone are symmetrically arranged;

the disinfection irradiation device comprises a cabinet body 15, a cache tank 11, a first airflow pipeline 12, a centrifugal fan 13, a second airflow pipeline 14 and a drawer door 16; the lower part of one side of the cabinet body 15 is connected with the cache tank 11 through a first air flow pipeline 12, and a drawer door 16 is arranged in front of the cabinet body 15; a second airflow pipeline 14 is communicated with the center of the top of the cabinet body 15; the second airflow pipeline 14 is connected to the first airflow pipeline 12 through a centrifugal fan 13 arranged on the side wall of the cabinet body 15; a cache tank interface 10 is arranged below the cache tank 11, and the cache tank interface 10 is connected to the exhaust port 9; five groups of ultraviolet light wave lamp tubes 17 are arranged in parallel on the bottom surface of the cabinet body 15.

Distilled water is contained in the water tank 8, and the volume of the distilled water accounts for one half of the volume of the water tank 8.

The thickness of the anode catalyst membrane 2-1 is 0.2mm-0.4mm, the material of the anode catalyst membrane 2-1 adopts lead dioxide or tin dioxide, and the anode catalyst membrane is low in price and good in stability; the thickness of the cathode catalyst membrane 2-3 is 0.3mm-0.4mm, and the material of the cathode catalyst membrane 2-3 is carbon-nickel alloy; the anode catalyst membrane 2-1 and the cathode catalyst membrane 2-3 are preferably catalyst membranes containing polytetrafluoroethylene and platinum, wherein the polytetrafluoroethylene accounts for 8-10%, the platinum accounts for 1-2%, the former is used for maintaining high catalytic efficiency, and the latter is used for prolonging the service life.

Solid polymer electrolyte membrane 2-2 adopts is a solid state electrolyte, also known as solid polymer ion exchange membrane, and the electrocatalytic granule is directly attached to the both sides of its membrane, the utility model discloses a sulfonic acid ion exchange membrane of Dupont company is also known as Nafion membrane.

The porous collector sheets 2-5 adopt composite electrode sheets matched with nafion membranes, and have the function of increasing the specific reaction surface area, so that the collision chance of oxygen molecules and oxygen atoms is increased, and more ozone is generated.

The voltage of the DC power supply 3 is set to maintain the voltage of the cell in the electrode reaction region 2 between 8V and 10V.

The utility model discloses the theory of operation:

ozone can effectively remove putrefactive odor of food, can destroy cell membrane and DNA of bacteria, kill virus more rapidly than other modes, and can cover corners of air, and has good killing effect on influenza virus, hepatitis virus antigen, etc.

The disinfection principle of the device lies in ozone, and the source of the ozone is two:

one is as follows: the ultraviolet light wave lamp 17 is used for irradiating dry oxygen by ultraviolet rays, a part of oxygen molecules are dissociated into oxygen atoms, and then the oxygen atoms react with the oxygen molecules to form ozone.

The second is that: the water tank 8 is respectively connected with the cathode water inlet gas guide area 1 and the anode water inlet gas guide area 6 through connecting pipes 7, distilled water is conveyed for electrolytic reaction, when the distilled water flows through the water inlet gas guide areas, the distilled water is uniformly contacted with the porous current collecting pieces 2-5 under the flow guide effect of the flow guide plates, and electrode reaction respectively occurs in the anode reaction area and the cathode reaction area after passing through the porous current collecting pieces 2-5; under the action of external direct current, the solid polymer electrolyte membrane 2-2 generates oxidation reaction in an anode reaction zone of the electrolyte membrane electrode, and ozone is directly generated because a medium is distilled water; the byproducts are oxygen and hydrogen which are discharged through an exhaust port 9; the exhaust port 9 is connected to the interface 10 of the cache tank, and then enters the cabinet body 15 under the action of the centrifugal fan; as the conductivity of the liquid increases with the time, the liquid is used for about 5 to 6 minutes each time, and the distilled water can be replaced once after 5 hours of cumulative use. The utility model discloses no other material produces in the use, can not the polluted environment to adopt low voltage direct current, the circuit is simple safe, can not produce the noise.

This novel distilled water that utilizes ultraviolet light wave fluorescent tube 17 to shine and utilize water tank 8 produces ozone through the electrolysis, and these two kinds of modes are each other supplementary, and when simple disinfection, ozone concentration need not be very big, then can take first mode, if will strengthen the disinfection effect then can take second kind of mode, or two kinds of modes use simultaneously.

Centrifuge's effect lies in letting the air fully flow, because ozone decomposes comparatively slowly at normal atmospheric temperature, so choose centrifugal fan reinforcing air current motion for use and promote intermolecular collision to accelerate ozonolysis and disinfection effect, also because the ozone molecule is heavier, the event sets up by lower supreme suction effect, carries out the inner loop from top to bottom again, more does benefit to the inside production vortex effect of the cabinet body, thereby raises the efficiency.

The whole structure adopts a split design, so that the disinfection process is more convenient, and the disinfection process is started, stopped, replaced or removed; is flexible and simple.

In the description of the present invention, the terms "mounted", "provided", "connected", and the like are to be understood in a broad sense, for example, "connected", may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood according to specific situations, and furthermore, the control and connection of the element circuit or the component and the related circuit and pipeline in the description of the present embodiment are all the prior art, and are all implemented by the prior art.

Claims

1. A medical instrument disinfection cabinet comprises a disinfection gas generation device and a disinfection irradiation device, and is characterized in that: the sterilizing gas generating device comprises a cathode water inlet gas guide area (1), an electrode reaction area (2), a direct current power supply (3), a voltmeter (4), an ammeter (5), an anode water inlet gas guide area (6), a connecting pipe (7) and a water tank (8); the water tank (8) is divided into a left box body and a right box body which are independent, and two exhaust holes are respectively arranged above the two box bodies; a semi-annular pipe is arranged at the bottom of the two box bodies close to the joint, and the semi-annular pipe is communicated with the two box bodies; connecting pipes (7) are respectively connected below the two box bodies of the water tank (8), the connecting pipes (7) are of U-shaped structures, and two ports of the connecting pipes (7) are communicated with the respective box bodies; the right pipeline of the left connecting pipe (7) is communicated with the anode water inlet gas guide area (6), and the left pipeline of the right connecting pipe (7) is communicated with the cathode water inlet gas guide area (1); an electrode reaction zone (2) is arranged between the anode water inlet gas guide zone (6) and the cathode water inlet gas guide zone (1); a direct current power supply (3) is connected below the electrode reaction zone (2), and a voltmeter (4) and an ammeter (5) are arranged in parallel and in series on a circuit of the direct current power supply (3);

the electrode reaction zone (2) is divided into an anode reaction zone and a cathode reaction zone, and an electrode assembly of the anode reaction zone consists of an anode catalyst membrane (2-1), an electrode plate (2-4) and a porous current collecting sheet (2-5); the electrode assembly of the cathode reaction zone consists of a cathode catalyst membrane (2-3), an electrode plate (2-4) and a porous current collecting sheet (2-5); a solid polymer electrolyte membrane (2-2) is arranged between the anode catalyst membrane (2-1) and the cathode catalyst membrane (2-3); the electrode plate (2-4) consists of a sealing washer (2-6) and a guide plate (2-7), the sealing washer (2-6) is positioned at two sides of the guide plate (2-7), and the guide plate (2-7) of the anode reaction zone and the guide plate (2-7) of the cathode reaction zone are symmetrically arranged;

the disinfection irradiation device comprises a cabinet body (15), a cache tank (11), a first airflow pipeline (12), a centrifugal fan (13), a second airflow pipeline (14) and a drawer door (16); the lower part of one side of the cabinet body (15) is connected with the cache tank (11) through a first airflow pipeline (12), and a drawer door (16) is arranged in front of the cabinet body (15); a second airflow pipeline (14) is communicated with the center of the top of the cabinet body (15); the second air flow pipeline (14) is connected to the first air flow pipeline (12) through a centrifugal fan (13) arranged on the side wall of the cabinet body (15); a cache tank interface (10) is arranged below the cache tank (11), and the cache tank interface (10) is connected to the exhaust port (9); five groups of ultraviolet light wave lamp tubes (17) which are distributed in parallel are arranged on the inner bottom surface of the cabinet body (15).

2. The medical instrument sterilization cabinet according to claim 1, wherein: the thickness of the anode catalyst membrane is 0.2mm-0.4mm, and the anode catalyst membrane is made of lead dioxide or tin dioxide; the thickness of the cathode catalyst membrane is 0.3mm-0.4mm, and the cathode catalyst membrane is made of carbon-nickel alloy; the anode catalyst membrane and the cathode catalyst membrane are catalyst membranes containing polytetrafluoroethylene and platinum.