CN212973601U

CN212973601U - Steam sterilizing device

Info

Publication number: CN212973601U
Application number: CN202020617338.2U
Authority: CN
Inventors: 熊才东; 熊强
Original assignee: Hubei Qiangkang Electronic Technology Co ltd
Current assignee: Hubei Qiangkang Electronic Technology Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-04-16
Anticipated expiration: 2030-04-22

Abstract

A steam sterilizing device comprises a body, a shelf and a PTC heating element; the body is cup-shaped, the commodity shelf is placed in the body, and a plurality of through holes are formed in the commodity shelf; the PTC heating element is fixed at the bottom of the body; when the device works, water is filled in the body, the PTC heating element heats the water to generate steam, and the steam penetrates through the through hole to disinfect objects placed on the storage rack. The steam disinfection device provided by the utility model has high safety, strong practicability and very convenient use; only a small amount of water is added into the body, and after the PTC heating element is adopted to heat the water, the generated high-temperature steam can be used for disinfection, and is particularly suitable for disinfection of common tableware such as chopsticks, spoons and forks, and the like, and can also play a role in humidifying air; in addition, the PTC heating element has the advantages of compact structure, low thermal resistance, high thermal efficiency, health, environmental protection, no adhesive bonding, no oxidation and long service life.

Description

Steam sterilizing device

Technical Field

The utility model relates to a tableware disinfection field, concretely relates to steam disinfection device.

Background

In daily life, tableware such as chopsticks, spoons and forks are usually cleaned only by detergent and water, but such cleaning is mainly for removing oil stains, and disinfection and sterilization are difficult to achieve. In order to make people have a clean and sanitary dinner, the tableware such as chopsticks, spoons, forks and the like can be disinfected before dinner. In the current disinfection technology, boiled water disinfection is generally adopted or a special tableware disinfection machine is adopted. However, the adoption of the mode of disinfection by boiled water is troublesome; the tableware disinfection machine uses the ozone sterilization principle to rapidly sterilize the chopsticks, the spoons and other tableware, the efficiency is high, but the price is expensive, the ozone has strong irritation, and the excessive suction has certain harm to the health of human bodies.

PTC is an abbreviation for Positive Temperature Coefficient, and generally refers to a semiconductor material or a device having a large Positive Temperature Coefficient. At present, various PTC heating elements made of PTC materials exist, and the PTC heating elements have the advantages of small thermal resistance and high heat exchange efficiency, and are electric heaters with automatic constant temperature and electricity saving. However, the current PTC heating element is not sufficiently applied to the tableware sterilization field.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a steam disinfection device, which comprises a body, a shelf and a PTC heating element; the body is cup-shaped, the commodity shelf is placed in the body, and a plurality of through holes are formed in the commodity shelf; the PTC heating element is fixed at the bottom of the body;

when the device works, water is filled in the body, the PTC heating element heats the water to generate steam, and the steam penetrates through the through hole to disinfect objects placed on the storage rack.

In some embodiments, the rack is disc-shaped, and the diameter of the rack is larger than the bottom diameter of the body and smaller than the top diameter of the body.

In some embodiments, the rack is bowl-shaped, and the top edge of the rack extends outward.

In some embodiments, a support portion is disposed in the body for placing the rack.

In some embodiments, the plurality of through holes of the shelf includes a central through hole having a diameter larger than the other through holes.

In some embodiments, the bottom of the body is further provided with an anti-dry heating element; in operation, when the water in the body is insufficient, the dry-burning preventing piece enables the switch of the PTC heating piece to be automatically switched off, and heating is stopped.

In some embodiments, the anti-dry heating member is a bimetal and/or a water level sensor.

In some embodiments, the outer shell of the body is a double-layer insulation structure.

In some embodiments, the body further comprises a power connector.

Compared with the prior art, the utility model has the advantages that: the steam disinfection device provided by the utility model has high safety, strong practicability and very convenient use; only a small amount of water is added into the body, and after the PTC heating element is adopted to heat the water, the generated high-temperature steam can be used for disinfection, and is particularly suitable for disinfection of common tableware such as chopsticks, spoons and forks, and the like, and can also play a role in humidifying air; in addition, the PTC heating element has the advantages of compact structure, low thermal resistance, high thermal efficiency, health, environmental protection, no adhesive bonding, no oxidation and long service life.

Drawings

Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.

FIG. 1 is a schematic view of a steam sterilizing apparatus according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a steam sterilizing apparatus according to a second embodiment of the present invention;

fig. 3 is a schematic view of a steam sterilizing apparatus according to a third embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs.

Referring to fig. 1, a schematic view of a steam sterilization device provided by the present invention comprises a body 1, a shelf 2 and a PTC heating element 3; the body 1 is cup-shaped, the shelf 2 is placed in the body 1, and the shelf 2 is provided with a plurality of through holes 4; the PTC heating element 3 is fixed at the bottom of the body 1; during operation, water is filled in the body 1, the PTC heating element 3 heats the water to generate steam, and the steam passes through the through hole 4 to disinfect objects placed on the object placing frame 2.

Further, as shown in fig. 1, in the first embodiment, the object placing shelf 2 may be disc-shaped, and the diameter of the object placing shelf 2 is larger than the bottom diameter of the body 1 and smaller than the top diameter of the body 1 so as to be placed in the body 1. In addition, as shown in fig. 2, in the second embodiment, the rack 2 may also be bowl-shaped (dotted line structure in the figure), and the top edge of the bowl-shaped rack 2 extends outward, so that the top end of the rack 2 can be placed above the top end of the body 1; of course, the bottom surface of the bowl-shaped object placing frame 2 is also provided with a plurality of through holes 4. Further, as shown in fig. 2 and 3, a support portion 6 may be disposed in the body 1, and the support portion 6 may be used for placing the shelf 2; the body 1 may have a truncated cone-shaped lower portion and a substantially cylindrical upper portion, and the cross-sectional area of the body 1 changes abruptly at the boundary between the truncated cone-shaped structure and the cylindrical structure to form the support portion 6. In the third embodiment shown in fig. 3, the difference from the second embodiment is that the shelf 2 is small in size, and the top end of the bowl-shaped shelf 2 is placed at the support part 6.

It should be understood that fig. 1-3 only show three embodiments, and in fact, the body 1 and the rack 2 may have other shapes and sizes as long as the rack 2 is stably placed in the body 1 and the lower end of the rack does not contact with the water in the body 1. For example, in fig. 2, the support portion 6 may not be included in the body 1, and the body 1 having the same shape as that in fig. 1 is used; in fig. 3, instead of the bowl-shaped shelf 2, a dish-shaped shelf 2 having the same shape as that of fig. 1 may be used, and the dish-shaped shelf 2 is directly placed at the supporting portion 6.

The sizes of the body 1 and the shelf 2 can be set according to actual conditions, and the sizes of the body 1 and the shelf 2 can be set to be larger, so that tableware such as chopsticks, spoons and the like can be directly and integrally placed on the shelf 2 in a transverse mode; the two can be set to be smaller in size, at the moment, the chopsticks, the spoons and other tableware can be placed in an inclined mode, namely the lower side of the tableware is placed on the storage rack 2, and the upper side of the tableware is placed at the edge of the top end of the body 1 or the storage rack 2.

Preferably, the plurality of through holes 4 of the shelf 2 include a central through hole 5, and the diameter of the central through hole 5 is larger than that of the other through holes 4. The efficiency of steam sterilization can be accelerated by arranging the central through hole 5; in addition, when water needs to be added into the body 1, the shelf 2 can be directly added with water through the central through hole 5 in the body 1 without taking out the shelf 2, so that the shelf 2 can also be fixedly arranged in the body 1.

Preferably, the bottom of the body 1 is also provided with an anti-dry heating element (not shown in the figure); in operation, when the water in the body 1 is insufficient, the dry-heating preventing piece automatically switches off the switch of the PTC heating piece 3 to stop heating, so as to avoid danger caused by dry-heating overheating.

The anti-dry heating piece can be a bimetallic strip, and the principle is as follows: processing two metal sheets with different temperature coefficients together to prepare a bimetallic strip, wherein the higher the temperature is, the larger the deformation difference of the two metals is; the bimetallic strip is positioned in water under the condition of normal work, the temperature cannot exceed 100 ℃, when the water in the body 1 is about to be dried, the temperature of the bimetallic strip can be rapidly increased, the deformation difference of the bimetallic strip is aggravated, for example, when the temperature of the bimetallic strip reaches about 180 ℃, the bimetallic strip can press a switch of the PTC heating piece 3 due to deformation, so that the switch is disconnected, and the PTC heating piece 3 stops heating; when sufficient water is supplied into the body 1, the temperature of the bimetal rapidly decreases, and at this time, the heating can be restarted by opening the switch of the PTC heating element 3 again.

In addition, the anti-burn-dry piece can be a water level sensor, and the principle is as follows: the water level sensor is connected with a control module of the device, and is covered by water and detects a water pressure value when the water level sensor normally works; when the water pressure detected by the water level sensor is lower than a preset value, that is, the water level is too low, the water level sensor transmits a signal to the control module, and the control module automatically controls the switch of the PTC heating element 3 to be switched off to stop heating.

Of course, the anti-burn-dry piece can also comprise both the bimetallic strip and the water level sensor to realize double protection. Through setting up and preventing the dry piece, improved the security of this device greatly.

Further, the housing of the body 1 may be made of a conventional stainless steel material. Preferably, in order to prevent the user from being scalded, the outer shell of the body 1 may be a double-layer heat insulation structure, such as double-layer glass.

Certainly, the body 1 can also be provided with a power supply connector for connecting an external commercial power to supply power for the PTC heating element; the charger can also be directly powered by the charger; in addition, a built-in rechargeable power supply can be arranged in the body 1, so that the power supply does not need to be connected with an external power supply through a power connector all the time to supply power.

In conclusion, the steam disinfection device provided by the utility model has high safety, strong practicability and very convenient use; only a small amount of water is added into the body, and after the PTC heating element is adopted to heat the water, the generated high-temperature steam can be used for disinfection, and is particularly suitable for disinfection of common tableware such as chopsticks, spoons and forks, and the like, and can also play a role in humidifying air; in addition, the PTC heating element has the advantages of compact structure, low thermal resistance, high thermal efficiency, health, environmental protection, no adhesive bonding, no oxidation and long service life.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A steam disinfection device is characterized by comprising a body (1), a shelf (2) and a PTC heating element (3); the body (1) is cup-shaped, the article placing rack (2) is placed in the body (1), and a plurality of through holes (4) are formed in the article placing rack (2); the PTC heating element (3) is fixed at the bottom of the body (1);

during operation, water is filled in the body (1), the PTC heating piece (3) is heated by the water to generate steam, and the steam passes through the through hole (4) to disinfect objects placed on the object placing rack (2).

2. Steam disinfection apparatus according to claim 1, wherein the shelf (2) is disc-shaped and the diameter of the shelf (2) is larger than the diameter of the bottom end of the body (1) and smaller than the diameter of the top end of the body (1).

3. Steam disinfection apparatus according to claim 1, wherein the rack (2) is bowl-shaped and the top edge of the rack (2) extends outwards.

4. Steam disinfection apparatus according to claim 1, wherein a support (6) is provided in the body (1) for placing the shelf (2).

5. Steam disinfection apparatus as in claim 1, wherein the plurality of through holes (4) of the rack (2) comprises a central through hole (5), the central through hole (5) having a larger diameter than the other through holes (4).

6. A steam disinfection device as claimed in claim 1, characterized in that the bottom of said body (1) is further provided with anti-dry heating means; when the water in the body (1) is insufficient in operation, the dry-heating preventing piece enables the switch of the PTC heating piece (3) to be automatically switched off, and heating is stopped.

7. A steam disinfection device as claimed in claim 6, wherein said anti-dry burning element is a bimetal and/or a water level sensor.

8. A steam disinfection device as claimed in claim 1, characterized in that the outer shell of said body (1) is of double-insulated construction.

9. A steam disinfection device as claimed in claim 1, characterized in that said body (1) is further provided with a power connection.