CN109464680B - Disinfection cabinet and disinfection method - Google Patents
Disinfection cabinet and disinfection method Download PDFInfo
- Publication number
- CN109464680B CN109464680B CN201710804865.7A CN201710804865A CN109464680B CN 109464680 B CN109464680 B CN 109464680B CN 201710804865 A CN201710804865 A CN 201710804865A CN 109464680 B CN109464680 B CN 109464680B
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- nozzle
- pump
- disinfection
- inner container
- water
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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
- A61L2/06—Hot gas
- A61L2/07—Steam
-
- 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
- A61L2/24—Apparatus using programmed or automatic operation
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model relates to a disinfection cabinet and a disinfection method, comprising a shell of the disinfection cabinet and an inner container arranged in the shell; the method is characterized in that: a water tank is arranged between the inner container and the shell; the water tank is connected with a first pipeline through an electromagnetic valve, the first pipeline is connected with a first nozzle used for spraying the water into the inner container, and a first pump is arranged on the first pipeline; a second nozzle is further arranged between the inner container and the shell, and the second nozzle is connected with a second pump through a second pipeline; the driving device is used for adjusting the relative angle of the first nozzle and the second nozzle and is in driving connection with the first nozzle and the second nozzle; the inner container is internally provided with a heating device, a temperature sensor for detecting the temperature in the inner container and a humidity sensor for detecting the humidity in the inner container; the electromagnetic valve, the first pump, the second pump, the driving device, the heating device, the temperature sensor and the humidity sensor are all in electric signal connection with a control circuit of the disinfection cabinet.
Description
Technical Field
The utility model relates to a disinfection cabinet and a disinfection method.
Background
The sterilizing cabinet is widely applied to the fields of tableware sterilization, medical instrument sterilization and the like in daily life. Common sterilization methods are ozone sterilization, ultraviolet sterilization and steam sterilization.
Wherein steam sterilization is a physical sterilization method that sterilizes an article using steam generated by a steam generator. Because the penetrability of pure steam is strong, protein and protoplasm colloid are used for denaturation and solidification under the damp-heat condition, an enzyme system is easy to destroy, and the steam enters cells to be condensed into water, so that potential heat can be released to raise the temperature, and the sterilizing power is further enhanced. However, in the conventional steam sterilization method, the steam temperature is generally about 50℃and the sterilization time is long.
CN204582017U discloses a common air pressure high temperature steam sterilizing cabinet, the utility model discloses a common air pressure high temperature steam sterilizing cabinet, comprising a cabinet body, wherein the cabinet body is internally provided with an inner container and a steam generating component respectively, a heating element is arranged in an inner cavity of the inner container, an air inlet is arranged on the inner container at a position corresponding to the heating element, an air outlet of the steam generating component is connected with the air inlet of the inner container through a steam conveying pipe, a fan is also arranged on the cabinet body, an air inlet of the fan is communicated with the inner cavity of the inner container, and an air outlet of the fan is communicated with the atmosphere. The utility model can generate steam at 120 ℃, heat the articles in the sterilizing cabinet, and has good heating effect.
The steam generator adopted in the utility model has low steam generation efficiency, high energy consumption and large occupied space, and the original space structure of the disinfection cabinet needs to be changed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a disinfection cabinet with low energy consumption and good disinfection effect aiming at the current state of the art.
The utility model aims to solve the other technical problem of providing a disinfection method of a disinfection cabinet with low power consumption and good disinfection effect aiming at the current state of the art.
The technical scheme adopted for solving the technical problems is as follows: the disinfection cabinet comprises a shell of the disinfection cabinet and an inner container arranged in the shell;
the method is characterized in that:
a water tank is arranged between the inner container and the shell;
the water tank is connected with a first pipeline through an electromagnetic valve, the first pipeline is connected with a first nozzle used for spraying the water into the inner container, and a first pump is arranged on the first pipeline;
a second nozzle is further arranged between the inner container and the shell, and the second nozzle is connected with a second pump through a second pipeline;
the driving device is used for adjusting the relative angle of the first nozzle and the second nozzle and is in driving connection with the first nozzle and the second nozzle;
the inner container is internally provided with a heating device, a temperature sensor for detecting the temperature in the inner container and a humidity sensor for detecting the humidity in the inner container;
the electromagnetic valve, the first pump, the second pump, the driving device, the heating device, the temperature sensor and the humidity sensor are all in electric signal connection with a control circuit of the disinfection cabinet.
In the above scheme, the structure of the driving device capable of synchronously driving the two nozzles to rotate oppositely or reversely can be various, preferably, the driving device can comprise a motor, an output shaft of the motor is in driving connection with a transmission assembly, a first output end of the transmission assembly is in driving connection with a first gear, a second output end of the transmission assembly is in driving connection with a second gear, the first gear is in driving connection with the first nozzle, and the second gear is in driving connection with the second nozzle;
the first nozzle and the second nozzle synchronously rotate oppositely or back to back.
Preferably, the transmission assembly may comprise a first transmission gear connected with the output shaft of the motor, and a second transmission gear meshed with the first transmission gear;
the first transmission gear is meshed with the first gear, and the second transmission gear is meshed with the second gear.
The nozzles in the above schemes can have various structures, preferably, the first nozzle can comprise a tubular body, one end of the tubular body is connected with a hollow truncated cone-shaped spray head, and a plurality of spray holes are uniformly distributed on the end face of the spray head;
the structure of the second nozzle is the same as that of the first nozzle;
the included angle between the first nozzle and the second nozzle is 0-60 degrees. The collision effect is good in the angle range, and the secondary cutting effect on atomized particles is excellent.
In each of the above schemes, the water tank is connected with the second pipeline through the electromagnetic valve. I.e. the second nozzle emits water mist as well.
The disinfection method of the disinfection cabinet is characterized by comprising the following steps:
when disinfection is needed, the control circuit starts the electromagnetic valve to be opened, the first pump, the second pump and the heating device to work;
the first pump and the second pump pressurize the water in the water tank to 0.05-0.1 MPa, the water is sprayed out from the first nozzle and the second nozzle, two mist flows collide with each other, water particles refined by the spray head are further scattered into finer particles, dispersed in the liner and heated into water mist at 60-90 ℃;
and (3) keeping the temperature in the inner container constant at 60-90 ℃ and the humidity constant at RH 90-RH 100 for a period of time, thus completing the disinfection task.
Alternatively, the second pump is an air pump. I.e. the second nozzle emits an air stream having a certain pressure.
The disinfection method using the disinfection cabinet is characterized by comprising the following steps:
when disinfection is needed, the control circuit starts the electromagnetic valve to be opened, the first pump, the second pump and the heating device to work;
the first pump pressurizes water in the water tank to 0.05-0.1 MPa and sprays the water out of the first nozzle, the second pump pressurizes air to 0.2-0.5 MPa and sprays the water out of the second nozzle, mist flows and air flows collide with each other, water particles refined by the spray head are further scattered into finer particles, dispersed in the inner container and heated into water mist at 60-90 ℃;
and (3) the temperature in the inner cavity is kept constant at 60-90 ℃ and the humidity is kept constant at RH 90-RH 100 for a period of time, so that the disinfection task is completed.
In the above-mentioned sterilization method, the temperature in the inner container is preferably constant at 62 to 65 ℃ for 25 to 35 minutes.
Or the temperature in the inner container is constant between 75 and 90 ℃ for 10 to 30 seconds.
Compared with the prior art, the disinfection cabinet and the disinfection method provided by the utility model have the advantages that the water mist is sprayed into the inner cavity of the inner container through the specific nozzle, the wet disinfection is adopted, the water mist is heated into the steam with the temperature of 60-90 ℃, the heating speed is high, the energy consumption is low, the steam or the superheated steam is a wet heat disinfection, and the disinfection effect is good; and the relative angle of the two nozzles can be changed according to actual conditions, so that the secondary cutting effect of the atomized particles can be adjusted to adapt to different disinfection requirements.
Drawings
Fig. 1 is a perspective view of an assembly structure (with a housing omitted) of embodiment 1 of the present utility model;
fig. 2 is a schematic perspective view of the liner and its upper parts in embodiment 1 and embodiment 2 of the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic perspective view of a nozzle in embodiment 1 of the present utility model;
fig. 5 is a perspective view showing the assembly structure of embodiment 2 of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Example 1
As shown in fig. 1 to 4, the sterilizer comprises:
the shell is a shell of the disinfection cabinet;
the inner container 2 is arranged in the shell, and the inner cavity of the inner container 2 is a disinfection place; a heating device 21, a temperature sensor 22 and a humidity sensor 23 are arranged in the inner cavity.
And the inlet of the exhaust pipeline is communicated with the inner cavity of the liner, the outlet of the exhaust pipeline is communicated with the environment outside the disinfection cabinet and is used for discharging moisture in the disinfection cabinet, and an air exhaust fan 9 is arranged in the exhaust pipeline.
A water tank 5 provided between the housing and the liner 2 for storing water.
There are two nozzles, including a first nozzle 31 and a second nozzle 32.
Wherein the first nozzle 31 is connected to a first pipe 51, the first pipe 51 is connected to the water tank 5 through a solenoid valve 53, and the first pump 11 is provided on the first pipe 51.
The second nozzle 32 is connected to a second pipe 52, a second pipe 55 is connected to the water tank 5 through a solenoid valve 53, and the second pump 12 is provided on the second pipe 52.
The two nozzles are atomizing nozzles and comprise a tubular body 33, one end of the tubular body 33 is connected with a truncated cone-shaped spray head 34, and a plurality of spray holes 35 are uniformly distributed on the end face of the spray head 34. The nozzle part is accommodated in the liner 2.
Driving means for changing the relative angle of the first nozzle 31 and the second nozzle 32; comprising the following steps:
the motor 41, the output shaft of the motor 41 is connected with a transmission assembly in a driving way, and the transmission assembly in the embodiment comprises a first transmission gear 42 connected with the output shaft of the motor and a second transmission gear 45 meshed with the first transmission gear 42; the first transmission gear 42 is meshed with the first gear 43, and the second transmission gear 45 is meshed with the second gear 44.
The first gear 43 is drivingly connected to the first nozzle 31 and the second gear 44 is drivingly connected to the second nozzle 32.
The motor works to drive the first transmission gear to rotate, and the first transmission gear drives the second transmission gear to synchronously rotate, so that the first gear and the second gear are driven to synchronously reversely rotate, and the first nozzle 31 and the second nozzle 32 are driven to synchronously reversely rotate.
The electromagnetic valve 53, the first pump 11, the second pump 12, the heating device 21, the temperature sensor 22 and the humidity sensor 23 are all electrically connected with a control circuit of the sterilizing cabinet.
The disinfection method of the disinfection cabinet comprises the following steps:
when disinfection is needed, the control circuit starts the electromagnetic valve 53 to open, and the first pump 11, the second pump 12 and the heating device 21 work;
the first pump 11 and the second pump 12 pressurize the water in the water tank to 0.05-0.1 MPa, the water is sprayed out from the first nozzle and the second nozzle, two mist flows collide with each other, water particles refined by the spray head are further scattered into finer particles, the finer particles are dispersed in the inner container, and the water is heated into water mist at 62-65 ℃;
the temperature in the inner container is kept constant at 62-65 ℃ and the humidity is kept constant between RH 90-RH 100 for 25-35 minutes, thus completing the disinfection task.
After the disinfection is finished, the control circuit closes the first pump, the second pump and the electromagnetic valve, starts the fan 9 to exhaust air from the inner container, and the moisture in the inner container is pumped out by the fan and is discharged outside the disinfection cabinet.
When the temperature sensor detects that the temperature in the liner is less than or equal to 50 ℃ and the humidity sensor detects that the humidity is less than or equal to RH20, the control circuit stops the heating device 6 and the exhaust fan 9.
When more tableware are in the sterilizing cabinet, a user can manually start the motor of the driving device; the angle between the axes of the two nozzles is typically controlled to be 0-60. The smaller the included angle between the two, the better the impact cutting effect, the smaller the atomized particles, the better the disinfection effect, and the energy conservation and consumption reduction.
When the tableware is more, the motor reversely rotates, the angle between the two nozzles is increased, and atomized particles are relatively larger; but has small collision force and low working noise.
Example 2
As shown in fig. 2 and 5, the second pump in this embodiment is an air pump, and the second pipe is not connected to the water tank.
When disinfection is needed, the control circuit starts the electromagnetic valve 53 to open, and the first pump 11, the second pump 12 and the heating device 21 work;
the first pump 11 pressurizes the water in the water tank to 0.05-0.1 MPa and sprays the water out of the first nozzle, the second pump 12 pressurizes the air to 0.2-0.5 MPa and sprays the water out of the second nozzle, mist flows and air flows collide with each other, water particles refined by the spray head are further scattered into finer particles, the finer particles are dispersed in the inner container, and the water particles are heated into water mist at 75-90 ℃;
the temperature in the inner container is kept constant at 75-90 ℃ and the humidity is kept constant between RH 90-RH 100 for 10-30 seconds, and then the disinfection task is completed.
The remainder was the same as in example 1.
Claims (10)
1. A disinfection cabinet, which comprises a shell of the disinfection cabinet and an inner container (2) arranged in the shell;
the method is characterized in that:
a water tank (5) is arranged between the inner container (2) and the shell;
the water tank (5) is connected with a first pipeline (51) through an electromagnetic valve (53), the first pipeline (51) is connected with a first nozzle (31) for spraying into the liner (2), and a first pump (11) is arranged on the first pipeline (51);
a second nozzle (32) is further arranged between the inner container (2) and the shell, and the second nozzle (32) is connected with a second pump (12) through a second pipeline (52);
the driving device (4) is used for adjusting the relative angle of the first nozzle (31) and the second nozzle (32), and is in driving connection with the first nozzle (31) and the second nozzle (32) so as to adjust the secondary cutting effect of atomized particles;
a heating device (21), a temperature sensor (22) for detecting the temperature in the inner container and a humidity sensor (23) for detecting the humidity in the inner container (2) are arranged in the inner container (2);
the electromagnetic valve (53), the first pump (11), the second pump (12), the driving device (4), the heating device (21), the temperature sensor (22) and the humidity sensor (23) are all in electric signal connection with a control circuit of the disinfection cabinet;
the first nozzle (31) and the second nozzle (32) synchronously rotate oppositely or back to back;
the included angle between the first nozzle (31) and the second nozzle (32) is 0-60 degrees.
2. A disinfection cabinet according to claim 1, characterized in that the drive means (4) comprises a motor (41), an output shaft of the motor (41) is drivingly connected to a transmission assembly, a first output of the transmission assembly is drivingly connected to a first gear (43), a second output of the transmission assembly is drivingly connected to a second gear (44), the first gear (43) is drivingly connected to the first nozzle (31), and the second gear (44) is drivingly connected to the second nozzle (32).
3. A disinfection cabinet according to claim 2, characterized in that said transmission assembly comprises a first transmission gear (42) connected to the output shaft of said motor, a second transmission gear (45) meshed with said first transmission gear (42);
the first transmission gear (42) is meshed with the first gear (43), and the second transmission gear (45) is meshed with the second gear (44).
4. A disinfection cabinet according to any one of claims 1-3, characterized in that the first nozzle (31) comprises a tubular body (33), one end of the tubular body (33) is connected with a hollow truncated cone-shaped spray head (34), and a plurality of spray holes (35) are uniformly distributed on the end face of the spray head (34);
the structure of the second nozzle (32) is the same as that of the first nozzle (31).
5. A disinfection cabinet according to any one of claims 1-3, characterized in that said water tank (5) is connected to said second conduit (52) by means of said solenoid valve (53).
6. A disinfection cabinet according to any one of claims 1-3, characterized in that said second pump (12) is an air pump.
7. A disinfection method using a disinfection cabinet as claimed in claim 5, comprising the steps of:
when disinfection is needed, the control circuit starts the electromagnetic valve (53) to be opened, and the first pump (11), the second pump (12) and the heating device (21) work;
the first pump (11) and the second pump (12) pressurize the water in the water tank to 0.05-0.1 MPa, the water is sprayed out from the first nozzle and the second nozzle, two mist flows collide with each other, water particles refined by the spray head are further scattered into finer particles, dispersed in the liner and heated into water mist at 60-90 ℃;
and (3) keeping the temperature in the inner container constant at 60-90 ℃ and the humidity constant at RH 90-RH 100 for a period of time, thus completing the disinfection task.
8. A disinfection method using a disinfection cabinet as claimed in claim 6, comprising the steps of:
when disinfection is needed, the control circuit starts the electromagnetic valve (53) to be opened, and the first pump (11), the second pump (12) and the heating device (21) work;
the first pump (11) pressurizes water in the water tank to 0.05-0.1 MPa and sprays the water out of the first nozzle, the second pump (12) pressurizes air to 0.2-0.5 MPa and sprays the water out of the second nozzle, mist flows and air flows collide with each other, water particles refined by the spray head are further scattered into finer particles, the finer particles are dispersed in the inner container, and the finer particles are heated into water mist at 60-90 ℃;
and (3) keeping the temperature in the inner container constant at 60-90 ℃ and the humidity constant at RH 90-RH 100 for a period of time, thus completing the disinfection task.
9. A method of disinfection according to claim 7 or 8, characterized in that the temperature in the inner container (2) is kept constant between 62 and 65 ℃ for 25 to 35 minutes.
10. A method of disinfection according to claim 7 or 8, characterized in that the temperature in the inner container (2) is kept constant between 75 and 90 ℃ for 10 to 30 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804865.7A CN109464680B (en) | 2017-09-08 | 2017-09-08 | Disinfection cabinet and disinfection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804865.7A CN109464680B (en) | 2017-09-08 | 2017-09-08 | Disinfection cabinet and disinfection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109464680A CN109464680A (en) | 2019-03-15 |
| CN109464680B true CN109464680B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710804865.7A Active CN109464680B (en) | 2017-09-08 | 2017-09-08 | Disinfection cabinet and disinfection method |
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| CN (1) | CN109464680B (en) |
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| US4414037A (en) * | 1980-04-28 | 1983-11-08 | Max Friedheim | Steam jet cleaning and sterilizing system |
| CN2169368Y (en) * | 1993-09-25 | 1994-06-22 | 李胜利 | Household tableware washing machine |
| WO1997020493A1 (en) * | 1995-12-05 | 1997-06-12 | Ken Maskinfabrik A/S | A method for steam disinfection of the washing tank of an automatic dishwasher and an automatic dishwasher for utilizing the method |
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| JP2012006639A (en) * | 2010-06-25 | 2012-01-12 | Miura Co Ltd | Sterilizing device |
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| CN104998280A (en) * | 2015-08-05 | 2015-10-28 | 常州市鼎日环保科技有限公司 | Automated tableware disinfection cabinet |
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| CN208355796U (en) * | 2017-09-08 | 2019-01-11 | 宁波方太厨具有限公司 | Disinfection cabinet |
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| Publication number | Publication date |
|---|---|
| CN109464680A (en) | 2019-03-15 |
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