CN216294739U - Steam disinfection cabinet - Google Patents
Steam disinfection cabinet Download PDFInfo
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- CN216294739U CN216294739U CN202122326761.4U CN202122326761U CN216294739U CN 216294739 U CN216294739 U CN 216294739U CN 202122326761 U CN202122326761 U CN 202122326761U CN 216294739 U CN216294739 U CN 216294739U
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Abstract
The utility model discloses a steam disinfection cabinet, which comprises a shell (1), an inner container (2) which is arranged in the shell (1) and is provided with a water inlet (22), a water inlet tank (3) which is arranged between the shell (1) and the inner container (2), a water pump (4), a circulating air duct and a heating disc (5) which is arranged in the inner container (2), wherein the water inlet end of the water pump (4) is communicated with the inner cavity of the water inlet tank (3) through a first water pipe (41), the water outlet end of the water pump (4) is communicated with the water inlet (22) through a second water pipe (42), the inlet of the circulating air duct is communicated with an air outlet (24) in a fluid manner, and the outlet is communicated with a fresh air port (23) in a fluid manner. Compared with the prior art, the steam disinfection cabinet can improve the steam distribution uniformity.
Description
Technical Field
The utility model relates to the technical field of kitchen equipment, in particular to a steam disinfection cabinet.
Background
Steam disinfection is a method for killing bacteria or microorganisms by using high-temperature steam, and because pure steam has strong penetrability, protein and protoplasm colloid are easy to be solidified under a damp and hot condition, the steam enters cells and is condensed into water, potential heat can be released, the temperature is increased, and the bactericidal power is further enhanced.
The utility model discloses a high-efficiency disinfection cabinet as disclosed in an invention patent of a high-efficiency disinfection cabinet with the patent application number of CN201811469163.9 (with the publication number of CN111214671A), which comprises a box body and an inner container arranged in the box body, wherein an airflow channel is also arranged in the box body, the airflow channel is provided with an air inlet and an air outlet, the air inlet and the air outlet are respectively communicated with the inner container, a steam outlet capable of emitting steam is arranged on the side wall of the airflow channel, the steam emitted from the steam outlet can enter the inner container through the air inlet, and a first control valve capable of opening and closing the steam outlet is arranged on the steam outlet.
But for the steam disinfection cabinets currently on the market, firstly, the uniformity of the steam distribution is poor; secondly, a large amount of condensed water exists after disinfection is finished, bacteria are easy to breed, and high humidity of a kitchen and mildew are easy to occur if the condensed water is directly discharged; thirdly, the heat damage is serious while exhausting steam, and the tableware can not be kept at constant temperature for a long time.
SUMMERY OF THE UTILITY MODEL
The first technical problem to be solved by the utility model is to provide a steam disinfection cabinet capable of improving steam distribution uniformity aiming at the current situation of the prior art.
The second technical problem to be solved by the utility model is to provide a steam disinfection cabinet capable of reducing the moisture content in the discharged steam, aiming at the current situation of the prior art.
The third technical problem to be solved by the utility model is to provide a steam disinfection cabinet capable of realizing heat recovery.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: a steam disinfection cabinet, which comprises
A housing; and
the inner container is arranged in the shell and is provided with a disinfection cavity, and an interlayer is formed between the outer wall of the inner container and the inner wall of the shell;
the method is characterized in that: the inner container is provided with a water inlet, a fresh air inlet and an air outlet;
and also comprises
The water inlet tank is arranged in the interlayer;
the water pump is arranged in the interlayer and is provided with a water inlet end and a water outlet end, water can be sucked in through the water inlet end and discharged through the water outlet end, the water inlet end of the water pump is communicated with the inner cavity of the water inlet tank through a first water pipe, and the water outlet end of the water pump is communicated with the water inlet of the inner container through a second water pipe;
the heating disc is arranged in the disinfection cavity and is used for heating the moisture in the disinfection cavity to generate steam; and
and the inlet of the circulating air duct is communicated with the air outlet in a fluid mode, and the outlet of the circulating air duct is communicated with the fresh air inlet in a fluid mode.
In order to solve the second and third technical problems, the housing has an air inlet and an air outlet, and the steam sterilizing cabinet further comprises
The heat exchanger is arranged in the interlayer, and a first heat exchange channel and a second heat exchange channel are formed inside the heat exchanger;
the inlet end of the air inlet pipeline is communicated with the air inlet through the first heat exchange channel, and the outlet end of the air inlet pipeline is communicated with the fresh air inlet through the fresh air inlet;
the air outlet pipeline is arranged in the interlayer, the inlet end of the air outlet pipeline is communicated with the air outlet in a fluid mode, and the outlet end of the air outlet pipeline is communicated with the air outlet in a fluid mode through the second heat exchange channel;
and the air supply device is arranged in the interlayer and is used for conveying the airflow from the first heat exchange channel to the fresh air port or conveying the airflow from the air exhaust port to the second heat exchange channel.
In order to facilitate the formation of the circulating air duct, the first heat exchange channel and the second heat exchange channel are communicated through the vent holes, so that the inner cavity of the air outlet pipeline, the second heat exchange channel, the first heat exchange channel and the inner cavity of the air inlet pipeline form the circulating air duct.
In order to facilitate the switching of the internal circulation disinfection and the steam exhaust mode, valves are arranged at the air inlet and the air outlet, so that the steam disinfection cabinet has at least two states:
in the first state, the air inlet and the air outlet are closed;
and in the second state, the air inlet and the air outlet are opened.
In order to guarantee sufficient heat exchange, the second heat exchange channel is surrounded on the periphery of the first heat exchange channel, and the outer peripheral wall of the first heat exchange channel and the inner peripheral wall of the second heat exchange channel share the same heat conduction wall surface.
In order to simplify the arrangement of the vent holes, the inlet of the first heat exchange channel is positioned in the second heat exchange channel and is arranged close to the outlet of the second heat exchange channel, and the vent holes are the inlet of the first heat exchange channel.
Of course, the inlet of the first heat exchange channel can be directly communicated with the air inlet, the air vent is arranged on the shared wall surface of the first heat exchange channel and the second heat exchange channel, the valve is arranged at the air vent, the air vent is opened in the first state, the air vent is closed in the second state, and the air flow discharged from the outlet of the first heat exchange channel in the first state can be prevented from directly entering the inlet of the second heat exchange channel.
In order to avoid that external impurities enter the interlayer through the first heat exchange channel, the inlet of the first heat exchange channel is rotatably connected with a baffle which can be vertically arranged under the action of gravity and cover the inlet of the first heat exchange channel, and can be turned over under the action of airflow to open the inlet of the first heat exchange channel.
In order to avoid accumulation of condensed water in the second heat exchange channel, a water through hole is formed in the bottom wall of the second heat exchange channel, and a water receiving box is installed right below the water through hole.
In order to facilitate the condensed water to be gathered to the limber hole, at least part of the bottom wall of the second heat exchange channel is gradually increased from the edge of the limber hole to the outer edge of the second heat exchange channel.
In order to simplify the arrangement of the air port, the air inlet and the air outlet share the same air port.
In order to realize the opening and closing of the air inlet and the air outlet, the air inlet and the air outlet share the same valve, and the valve comprises
A valve plate movably mounted on the housing;
and the power output end of the driving piece is in transmission connection with the valve plate and is used for driving the valve plate to move so as to open or close the air inlet and the air outlet.
In order to avoid occupying too much space, the back of valve plate is equipped with first wedge, the driving piece is electric putter, and the tip of this electric putter's power take off pole is equipped with the second wedge, have the guide inclined plane of mutually supporting on first wedge and the second wedge to change the power take off direction of driving piece.
In order to realize the outward discharge of airflow in the disinfection cavity, the air supply device is a centrifugal fan which is provided with an air suction port and an air exhaust port and can suck the airflow from the air suction port and discharge the airflow through the air exhaust port, the air suction port of the centrifugal fan is communicated with the air exhaust port, and the air exhaust port of the centrifugal fan is communicated with the inlet end of the air outlet pipeline.
In order to automatically open and close the water inlet pipeline according to the water inlet requirement, a valve capable of controlling the second water pipe to be connected and disconnected is arranged on the second water pipe.
In order to fully heat the moisture accumulated at the bottom of the disinfection cavity due to gravity, the heating plate is horizontally arranged at the bottom of the disinfection cavity.
Compared with the prior art, the utility model has the advantages that: through seting up water inlet, fresh air inlet and air exit on the inner bag, set up into water tank, water pump and circulation wind channel in the intermediate layer, set up the heating plate in the disinfection chamber, during the disinfection, the water in the water tank of intaking passes through the water pump and goes into the disinfection intracavity, and the heating plate heats it and produces steam, and the new air inlet is carried with steam from the air exit in the circulation wind channel, realizes the inner loop of disinfection intracavity steam, improves the homogeneity of steam distribution.
Drawings
FIG. 1 is a schematic perspective view of a steam sterilizer according to an embodiment of the present invention (with a portion of the housing omitted);
FIG. 2 is an exploded perspective view of FIG. 1;
FIG. 3 is a longitudinal cross-sectional view of an embodiment of the steam sterilizer of the present invention;
FIG. 4 is a longitudinal cross-sectional view of an embodiment of the steam sterilizer of the present invention in a first state;
fig. 5 is a longitudinal cross-sectional view of an embodiment of the steam sterilizer of the present invention in a second state.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 5, a preferred embodiment of the steam sterilizing cabinet of the present invention is shown. The steam disinfection cabinet comprises a shell 1, an inner container 2, a water inlet tank 3, a water pump 4, a heating disc 5, a heat exchanger 6, an air inlet pipeline 7, an air outlet pipeline 8 and a centrifugal fan 9.
Wherein, the inner bag 2 has disinfection chamber 21, locates in the shell 1, and is formed with intermediate layer 11 between the outer wall of inner bag 2 and the inner wall of shell 1, and inner bag 2 is inside to be provided with the drawer that can pass in and out disinfection chamber 21 with the pull, and this is the common mode of setting up of sterilizer.
In this embodiment, the upper portion of the front side wall of the housing 1 has an air inlet 12 and an air outlet 13, and the air inlet 12 and the air outlet 13 share the same air port; the lower part of the rear side wall of the inner container 2 is provided with a water inlet 22 and a fresh air inlet 23 at intervals, and the top wall of the inner container 2 is provided with an air outlet 24.
As shown in fig. 2, the air inlet 12 and the air outlet 13 share the same valve, which includes a valve plate 14 and a driving member 15. Specifically, the valve plate 14 can be movably mounted on the housing 1 up and down, and a first wedge block 141 is arranged on the back surface of the valve plate 14; the driving member 15 is an electric push rod, a power output rod of the electric push rod can extend and retract along the left-right direction, a second wedge block 151 is arranged at the end of the power output rod, and the first wedge block 141 and the second wedge block 151 are provided with guide inclined planes which are matched with each other, and the guide inclined planes gradually rise from left to right, so that the horizontal movement of the power output rod is converted into the lifting movement of the valve plate 14. Start driving piece 15, drive second wedge 151 horizontal migration, because first wedge 141 and second wedge 151 offset, second wedge 151 drives first wedge 141 and reciprocates to realize the lift of valve plate 14, so that steam disinfection cabinet has two kinds of states at least:
in the first state, the valve plate 14 covers the air inlet 12 and the air outlet 13, so that the air inlet 12 and the air outlet 13 are closed;
in the second state, the valve plate 14 is separated from the intake port 12 and the exhaust port 13, so that the intake port 12 and the exhaust port 13 are opened.
The water inlet tank 3 is arranged in the interlayer 11 and is arranged on the top wall of the inner container 2.
The water pump 4 is arranged in the interlayer 11 and is arranged on the top wall of the inner container 2. The water pump 4 has a water inlet end and a water outlet end, and can suck water through the water inlet end and discharge the water through the water outlet end, the water inlet end of the water pump 4 is communicated with the inner cavity of the water inlet tank 3 through the first water pipe 41, the water outlet end of the water pump 4 is communicated with the water inlet 22 of the inner container 2 through the second water pipe 42, and the second water pipe 42 is provided with a valve 421 capable of controlling the on-off of the second water pipe 42. In this embodiment, the valve 421 is a solenoid valve.
The heat generating plate 5 is horizontally arranged at the bottom of the sterilizing chamber 21 for heating the moisture in the sterilizing chamber 21 to generate steam.
The heat exchanger 6 is arranged in the interlayer 11 and is arranged on the top wall of the inner container 2. The inside of the heat exchanger 6 is formed with a first heat exchange passage 61 and a second heat exchange passage 62. Specifically, as shown in fig. 4 and 5, the second heat exchanging channel 62 is surrounded on the periphery of the first heat exchanging channel 61, the outer peripheral wall of the first heat exchanging channel 61 and the inner peripheral wall of the second heat exchanging channel 62 share the same heat conducting wall surface, the inlet of the first heat exchanging channel 61 is located in the second heat exchanging channel 62 and is arranged close to the outlet of the second heat exchanging channel 62, facing the air inlet 12, and the outlet of the second heat exchanging channel 62 is communicated with the air outlet 13; a water through hole 621 is formed in the bottom wall of the second heat exchanging channel 62, a water receiving box 622 is installed right below the water through hole 621, and at least part of the bottom wall of the second heat exchanging channel 62 is gradually raised from the edge of the water through hole 621 to the outer edge of the second heat exchanging channel 62. In addition, a baffle 611 is rotatably connected to the inlet of the first heat exchange channel 61, and the baffle 611 can be vertically arranged under the action of gravity and cover the inlet of the first heat exchange channel 61, and can be turned over under the action of the air flow to open the inlet of the first heat exchange channel 61. In this embodiment, the bottom wall of the second heat exchange channel 62 and the top wall of the inner container 2 share the same wall surface, and the water receiving box 622 is detachably connected below the top wall of the inner container 2, so that the water receiving box is convenient to take and place.
In this embodiment, the first heat exchanging channel 61 and the second heat exchanging channel 62 are communicated with each other through the vent 60, so that the inner cavity of the air outlet duct 8, the second heat exchanging channel 62, the first heat exchanging channel 61 and the inner cavity of the air inlet duct 7 form a circulating air duct, an inlet of the circulating air duct is in fluid communication with the air outlet 24, and an outlet of the circulating air duct is in fluid communication with the fresh air inlet 23. In this embodiment, the vent 60 is an inlet of the first heat exchange channel 61.
The air inlet pipeline 7 is arranged in the interlayer 11 and is arranged on the top wall of the inner container 2. The inlet end of the air inlet pipeline 7 is communicated with the outlet of the first heat exchange channel 61, and the outlet end of the air inlet pipeline 7 is communicated with the fresh air opening 23 of the inner container 2.
The air outlet pipeline 8 is arranged in the interlayer 11 and is arranged on the top wall of the inner container 2. The outlet end of the air outlet pipeline 8 is communicated with the inlet of the second heat exchange channel 62.
The centrifugal fan 9 has an intake port and an exhaust port, and can suck an air flow from the intake port and discharge the air flow through the exhaust port. In this embodiment, the air suction port of the centrifugal fan 9 is communicated with the air outlet 24, and the air outlet of the centrifugal fan 9 is communicated with the inlet end of the air outlet pipeline 8. In this embodiment, the heat exchanger 6, the air outlet duct 7 and the volute of the centrifugal fan 9 are integrated.
The working principle of the embodiment is as follows:
(1) during disinfection, as shown in fig. 3, water in the water inlet tank 3 is pumped into the disinfection cavity 21 of the inner container 2 through the water pump 4, and the heating disc 5 heats the water to generate steam to disinfect tableware in the disinfection cavity 21;
at this time, the steam sterilizing cabinet is in a first state, as shown in fig. 4, the valve plate 14 closes the air inlet 12 and the air outlet 13, the centrifugal fan 9 sucks the air flow in the sterilizing cabinet 21 through the air outlet 24, the air flow is discharged outwards through the air outlet pipeline 8 and the second heat exchange channel 62 in sequence, because the air inlet 12 and the air outlet 13 are closed and the sterilizing chamber 21 has negative pressure, the air flow at the outlet of the second heat exchange channel 62 returns to the sterilizing chamber 21 through the vent hole 60, the first heat exchange channel 61, the air inlet pipeline 7 and the new air port 23, the internal circulation of the steam in the sterilizing chamber 21 is realized, and the uniformity of the steam distribution is improved;
(2) after the disinfection is finished, the valve plate 15 is driven by the driving piece 15 to descend to open the air inlet 12 and the air outlet 13, so that the steam disinfection cabinet is switched to a second state as shown in fig. 5, the centrifugal fan 9 sucks the airflow in the disinfection cabinet 21 through the air outlet 24, the airflow is discharged to the outside atmosphere through the air outlet pipeline 8, the second heat exchange channel 62 and the air outlet 13 in sequence, and at the same time, due to the existence of negative pressure in the disinfection chamber 21, cold air in the outside atmosphere sequentially passes through the air inlet 12, the first heat exchange channel 61, the air inlet pipeline 7 and the fresh air inlet 23 to enter the disinfection chamber 21, in the process, the heat of the moist hot air in the second heat exchange channel 62 is recovered to the dry cold air in the first heat exchange channel 61, on one hand, the exhausted moist hot air is cooled, condensed water is formed and then collected into the water receiving box 622 through the water through hole 621, so that the moisture in the discharged gas is reduced; on the other hand, after the entering cold air is heated into hot air, the heat of the tableware can be preserved, and the heat in the exhausted damp and hot air can be effectively recovered.
Claims (15)
1. A steam disinfection cabinet, which comprises
A housing (1); and
the inner container (2) is arranged in the shell (1) and is provided with a disinfection cavity (21), and an interlayer (11) is formed between the outer wall of the inner container (2) and the inner wall of the shell (1);
the method is characterized in that: the inner container (2) is provided with a water inlet (22), a fresh air inlet (23) and an air outlet (24);
and also comprises
The water inlet tank (3) is arranged in the interlayer (11);
the water pump (4) is arranged in the interlayer (11) and is provided with a water inlet end and a water outlet end, water can be sucked in through the water inlet end and discharged through the water outlet end, the water inlet end of the water pump (4) is communicated with the inner cavity of the water inlet tank (3) through a first water pipe (41), and the water outlet end of the water pump (4) is communicated with the water inlet (22) of the inner container (2) through a second water pipe (42);
the heating plate (5) is arranged in the disinfection cavity (21) and is used for heating the moisture in the disinfection cavity (21) to generate steam; and
and the inlet of the circulating air duct is communicated with the air exhaust opening (24) in a fluid mode, and the outlet of the circulating air duct is communicated with the fresh air opening (23) in a fluid mode.
2. A steam sterilizer as claimed in claim 1, wherein: the shell (1) is provided with an air inlet (12) and an air outlet (13), and the steam disinfection cabinet also comprises
The heat exchanger (6) is arranged in the interlayer (11), and a first heat exchange channel (61) and a second heat exchange channel (62) are formed inside the heat exchanger;
the air inlet pipeline (7) is arranged in the interlayer (11), the inlet end of the air inlet pipeline is communicated with the air inlet (12) through the first heat exchange channel (61), and the outlet end of the air inlet pipeline is communicated with the fresh air inlet (23) through fluid;
the air outlet pipeline (8) is arranged in the interlayer (11), the inlet end of the air outlet pipeline is communicated with the air outlet (24) in a fluid mode, and the outlet end of the air outlet pipeline is communicated with the air outlet (13) in a fluid mode through the second heat exchange channel (62);
and the air supply device is arranged in the interlayer (11) and is used for conveying the airflow from the first heat exchange channel (61) to the fresh air port (23) or conveying the airflow from the air exhaust port (24) to the second heat exchange channel (62).
3. A steam sterilizer as claimed in claim 2, wherein: the first heat exchange channel (61) is communicated with the second heat exchange channel (62) through the vent hole (60), so that the inner cavity of the air outlet pipeline (8), the inner cavity of the second heat exchange channel (62), the inner cavity of the first heat exchange channel (61) and the inner cavity of the air inlet pipeline (7) form the circulating air duct.
4. A steam sterilizer as claimed in claim 3, wherein: the air inlet (12) and the air outlet (13) are provided with valves, so that the steam disinfection cabinet has at least two states:
in a first state, the air inlet (12) and the air outlet (13) are closed;
in the second state, the air inlet (12) and the air outlet (13) are opened.
5. A steam sterilizer of claim 4, wherein: the second heat exchange channel (62) is arranged around the periphery of the first heat exchange channel (61), and the outer peripheral wall of the first heat exchange channel (61) and the inner peripheral wall of the second heat exchange channel (62) share the same heat conduction wall surface.
6. A steam sterilizer of claim 5, wherein: the inlet of the first heat exchange channel (61) is positioned in the second heat exchange channel (62) and is arranged close to the outlet of the second heat exchange channel (62), and the vent hole (60) is the inlet of the first heat exchange channel (61).
7. A steam sterilizer of claim 6, wherein: the inlet of the first heat exchange channel (61) is rotatably connected with a baffle (611), and the baffle (611) can be vertically arranged under the action of gravity and cover the inlet of the first heat exchange channel (61) and can be overturned under the action of air flow to open the inlet of the first heat exchange channel (61).
8. A steam sterilizer of claim 5, wherein: a water through hole (621) is formed in the bottom wall of the second heat exchange channel (62), and a water receiving box (622) is installed right below the water through hole (621).
9. A steam sterilizer as claimed in claim 8, wherein: the bottom wall of the second heat exchange channel (62) at least partially gradually rises from the edge of the water through hole (621) to the outer edge of the second heat exchange channel (62).
10. A steam sterilizer of claim 4, wherein: the air inlet (12) and the air outlet (13) share the same air port.
11. A steam sterilizer as claimed in claim 10, wherein: the air inlet (12) and the air outlet (13) share the same valve, and the valve comprises
A valve plate (14) movably mounted on the housing (1);
and the power output end of the driving piece (15) is in transmission connection with the valve plate (14) and is used for driving the valve plate (14) to move so as to open or close the air inlet (12) and the air outlet (13).
12. A steam sterilizer of claim 11, wherein: the back of valve plate (14) is equipped with first wedge (141), driving piece (15) are electric putter, and the tip of this electric putter's power take off pole is equipped with second wedge (151), have the guide inclined plane of mutually supporting on first wedge (141) and the second wedge (151) to change the power take off direction of driving piece (15).
13. A steam sterilizer as claimed in claim 2, wherein: the air supply device is a centrifugal fan (9), the centrifugal fan (9) is provided with an air suction port and an air exhaust port, air flow can be sucked from the air suction port and exhausted through the air exhaust port, the air suction port of the centrifugal fan (9) is communicated with the air exhaust port (24), and the air exhaust port of the centrifugal fan (9) is communicated with the inlet end of the air outlet pipeline (8).
14. A steam disinfection cabinet as claimed in any one of claims 1 to 13 wherein: and a valve (421) capable of controlling the second water pipe (42) to be switched on and off is arranged on the second water pipe (42).
15. A steam disinfection cabinet as claimed in any one of claims 1 to 13 wherein: the heating plate (5) is horizontally arranged at the bottom of the disinfection cavity (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122326761.4U CN216294739U (en) | 2021-09-24 | 2021-09-24 | Steam disinfection cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122326761.4U CN216294739U (en) | 2021-09-24 | 2021-09-24 | Steam disinfection cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216294739U true CN216294739U (en) | 2022-04-15 |
Family
ID=81112154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122326761.4U Active CN216294739U (en) | 2021-09-24 | 2021-09-24 | Steam disinfection cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216294739U (en) |
-
2021
- 2021-09-24 CN CN202122326761.4U patent/CN216294739U/en active Active
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