CN112377886A - Steam generator and kitchen appliance with same - Google Patents
Steam generator and kitchen appliance with same Download PDFInfo
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- CN112377886A CN112377886A CN202011190863.1A CN202011190863A CN112377886A CN 112377886 A CN112377886 A CN 112377886A CN 202011190863 A CN202011190863 A CN 202011190863A CN 112377886 A CN112377886 A CN 112377886A
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- steam
- steam generator
- inlet pipe
- shell
- water inlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0664—Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/281—Methods of steam generation characterised by form of heating method in boilers heated electrically other than by electrical resistances or electrodes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/282—Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/287—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in sprays or in films
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/52—Washing-out devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Food Science & Technology (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
A steam generator comprising: the steam generator comprises a shell (1), a steam outlet (120) and a steam outlet, wherein the shell (1) is hollow inside, and the top of the shell (1) is provided with the steam outlet; a heating body (2) arranged in the shell (1); the water inlet pipe (3), at least partial water inlet pipe (3) is arranged in the shell (1) and is attached to or adjacent to the heating body (2), and the pipe wall of the water inlet pipe (3) is provided with a water outlet hole (30). The application also discloses a kitchen appliance with the steam generator. Compared with the prior art, this application can improve out steam efficiency.
Description
Technical Field
The invention relates to a steam generator and a kitchen appliance with the same.
Background
At present, the household appliance with the steam function, if the steam box, the all-in-one is steamed and baked, the all-in-one is baked a little, the steam generator who evaporates and bakes a little all-in-one, steam disinfection cabinet etc. is instant heating type steam generator, along with customer's operation requirement is increasingly high, common steam generator steam generation is inefficient, and energy utilization is not high and leads to the culinary art time overlength, and customer uses and experiences poor shortcoming to be waited for solving urgently. In addition, the traditional steam generator has small volume and unreasonable structure, and the generation of the scale can cause the risk of blockage, so that the safety of the product is greatly reduced.
In order to overcome the defects, the invention patent with patent number ZL201721147304.6, a variable frequency electromagnetic energy steam generator (publication number CN207179615U), discloses a steam generator, which comprises a heating element, an inner sleeve, and an electromagnetic induction coil, wherein an annular water guide groove is formed on the inner wall of the inner sleeve, the heating element is accommodated in the inner sleeve, and the electromagnetic induction coil is sleeved on the periphery of the inner sleeve, so that water completely surrounds the heating element in a heat exchange space, the heating element is prevented from radiating heat to air, the heat exchange speed is effectively increased, the water flow speed is increased due to the design of the annular water guide groove, and the generation of scale can be reduced to a certain extent. But still suffer from fouling problems.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a steam generator capable of improving steam discharging efficiency in view of the current state of the prior art.
The second technical problem to be solved by the invention is to provide a steam generator capable of automatically descaling.
The third technical problem to be solved by the invention is to provide a steam generator capable of reducing the moisture content in the steam.
The fourth technical problem to be solved by the invention is to provide a kitchen appliance with the steam generator.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a steam generator comprising:
the inner part of the shell is hollow, and a steam outlet is formed in the top of the shell;
a heating body disposed in the housing;
it is characterized by also comprising:
the water inlet pipe, at least partial water inlet pipe set up in the shell and with the heating element laminating or adjacent to, and seted up the apopore on the pipe wall of water inlet pipe.
The quantity of apopore and orientation design as required for make the water that flows out from the apopore can evaporate rapidly, further promote steam efficiency, preferably, apopore and heating body be relative. So that the water flowing out of the water outlet hole can be directly contacted with the heating body and quickly evaporated. And the water flowing out of the water outlet hole can wash the heating body, so that the scaling of the heating body is avoided. Simultaneously because hydroenergy directly flows to on the heating member for this application does not have special demands to the water storage capacity in the shell, overcomes among the prior art and appears because of the less condition of appearing dry combustion method of water yield.
In order to improve the heating efficiency, preferably, the heating body comprises an inner heating rod which is vertically arranged at the center of the inner part of the shell; the water inlet pipe is spirally wound on the peripheral wall of the inner heating rod along the axial direction. The spirally wound water inlet pipe can increase the contact area between the water inlet pipe and the internal heating rod, and further improve the heating efficiency.
In order to further improve the heating efficiency, preferably, the heating body further comprises an external heating cylinder, the external heating cylinder is sleeved on the periphery of the water inlet pipe, and an annular steam generating cavity is formed between the external heating cylinder and the internal heating rod. So, form the heating region between interior heating rod and the outer heating cylinder, the inlet tube setting promotes steam generation's efficiency in the heating region.
Further preferably, the heating body further comprises a coil, a gap is reserved between the outer peripheral wall of the outer heating cylinder and the inner wall of the shell, the coil is arranged in the gap and spirally wound on the outer peripheral wall of the outer heating cylinder along the axial direction, and the coil generates heat after being electrified so as to increase the temperature of the outer heating cylinder. Of course, the outer heating cylinder may be heated by other means.
In order to improve the steam generation efficiency and ensure that the water outlet holes can normally discharge water, the water inlet pipe is preferably respectively contacted with the peripheral wall of the inner heating rod and the inner peripheral wall of the outer heating cylinder, at least two groups of water outlet holes are arranged, the first group of water outlet holes are positioned above and/or below the position of the water inlet pipe contacted with the peripheral wall of the inner heating rod, and the second group of water outlet holes are positioned above and/or below the position of the water inlet pipe contacted with the inner peripheral wall of the outer heating cylinder.
Preferably, the cross section of the water inlet pipe is circular, the first group of water outlet holes are round holes, and the center line of the first group of water outlet holes is inclined at an angle of 30-60 degrees with the vertical direction; the second group of water outlet holes are round holes, and the center line of the second group of water outlet holes is inclined at 30-60 degrees with the vertical direction.
In the above scheme, for guaranteeing that the apopore can normally go out water, and promote the velocity of water outlet, the water inlet of inlet tube is located outside the shell, and the water inlet department of inlet tube is equipped with the pressure boost structure that is used for promoting water pressure. So that the water in the water inlet pipe is sprayed out through the water outlet hole. The water sprayed on the heating body can wash the heating body to remove part of the scale on the heating body.
In order to further solve the second technical problem, preferably, the bottom of the water inlet pipe vertically extends out of the bottom wall of the shell, the water inlet pipe further comprises a driving mechanism, the driving mechanism is located outside the shell, an output end of the driving mechanism is in transmission connection with the bottom of the water inlet pipe, and the water inlet pipe vertically moves under the action of the driving mechanism to rub the heating body. So, can get rid of the incrustation scale of adhesion on the heating member, and can avoid the production of incrustation scale to a certain extent.
The driving mechanism can be driven by hydraulic pressure, air pressure and the like, preferably, the driving mechanism comprises a motor, a gear, a rotating shaft and a cam, wherein the gear is in transmission connection with an output shaft of the motor, the rotating shaft is connected with the center of the gear, the cam is connected with the rotating shaft, and the cam is vertically arranged; the bottom of the water inlet pipe is provided with a driving plate which can always abut against the outer end face of the cam, the driving plate is positioned above the cam and drives the water inlet pipe to move upwards under the action of the cam; and the elastic piece acts on the driving plate to enable the driving plate to always have a downward moving trend. So that the water inlet pipe can be stably moved up and down.
The elastic part is preferably a spring, the spring is sleeved on the bottom of the water inlet pipe, and two ends of the spring are respectively abutted against the bottom wall of the shell and the transmission plate. Of course, the elastic member may also be a spring plate.
To reduce the resistance of the inlet pipe to moving up and down, it is preferred that the inlet pipe is provided with a vertically extending channel which is spaced from the interior of the inlet pipe to prevent water in the inlet pipe from flowing along it. The channel is beneficial to the water in the steam generating cavity to flow through, so that the resistance is reduced, and the generated steam can pass from bottom to top and is discharged from the steam outlet in time; meanwhile, the channel also has the function of allowing the scale rubbed down to pass through and deposit on the bottom of the steam generating cavity.
For collecting the incrustation scale, the bottom of the shell is provided with a incrustation scale storage groove for collecting the incrustation scale, and a incrustation scale discharge port communicated with the incrustation scale storage groove is formed in the bottom wall of the shell.
Therefore, in order to further solve the third technical problem, preferably, the top of the housing includes an upper plate and a lower plate which are vertically spaced, the upper plate and the lower plate are respectively provided with the steam outlets, and the steam outlets on the upper plate and the lower plate are arranged in a staggered manner in the vertical direction. The design of the upper plate and the lower plate can increase the circulation path of the steam, and the steam outlets distributed in a staggered mode can resist partial moisture in the steam, so that the water content of the steam is reduced.
Furthermore, a guide plate for guiding the condensed water down is arranged on the shell corresponding to the lower part of the lower plate, and the top surface of the guide plate is an inclined surface which is gradually inclined downwards from top to bottom.
Furthermore, a vertical division bar is arranged on the steam outlet to divide the steam outlet into at least two small holes. Make steam reposition of redundant personnel when steam outlet of flowing through, hinder the moisture in the steam to flow out, further promote the effect of getting rid of moisture in the steam.
The technical scheme adopted by the invention for solving the fourth technical problem is as follows: a kitchen appliance using the steam generator is provided.
The kitchen appliance is preferably a steam box, an oven, a microwave oven, a sterilizer or an integral combination of at least two of them.
Compared with the prior art, the invention has the advantages that: by arranging the water inlet pipe, the water inlet pipe is attached to or adjacent to the heating body, so that the water flow of the water inlet pipe can be heated and heated after passing through the heating body, the temperature of the water flowing out of the water outlet hole is higher, the water preheating time is greatly reduced, and the steam outlet efficiency is improved; simultaneously, this application simple structure, the implementation of being convenient for.
Drawings
FIG. 1 is a schematic structural view of a steam generator according to an embodiment of the present invention;
FIG. 2 is a sectional view of a steam generator according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of a water inlet pipe according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an upper cover according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an embodiment of an upper cover from another perspective;
FIG. 7 is an enlarged view of portion B of FIG. 2;
fig. 8 is an enlarged view of a portion C in fig. 2.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Referring to fig. 1 to 8, a steam generator and a kitchen appliance having the same according to a preferred embodiment of the present invention includes a housing 1, a heating body 2, a water inlet pipe 3 and a driving mechanism 4.
Wherein, shell 1 is inside cavity, and it includes vertical setting and upper and lower open-ended barrel 11, lid establish on barrel 11 top with the upper cover 12 of closed barrel upper shed, set up on barrel 11 bottom with the open-ended base 13 under the closed barrel.
As shown in fig. 5 to 8, the upper cover 12 includes an upper plate 121 and a lower plate 122 which are vertically spaced apart from each other, the upper plate and the lower plate are respectively provided with a steam outlet 120, and the steam outlets 120 on the upper plate and the lower plate are arranged in a staggered manner in a vertical direction. In this embodiment, the two steam outlets 120 are distributed on two sides, one left side and one right side, so that the steam entering from the steam outlet 120 on the lower plate 122 can flow out from the steam outlet 120 of the upper plate 121 only by passing through a gap between the upper and lower plates, and further, the moisture in the steam is condensed in the flowing process, thereby realizing steam-water separation. In order to further improve the effect of steam-water separation, the vertical division bar 123 is arranged on the steam outlet 120 to divide the steam outlet 120 into a plurality of small holes, so as to block the moisture in the steam. In the working process, moisture in the steam meets the lower plate 122 and then is condensed into condensate water, in order to guide the condensate water to flow down, the lower plate 122 is arranged in an inclined manner (the lower plate 122 has a draft angle of 0.6 degrees, a steam outlet 120 on the lower plate 122 is positioned at the lower end of the lower plate 122, so that the condensate water flows out from the steam outlet 120), a guide plate 124 for guiding the condensate water to flow down is arranged at a position, corresponding to the lower part of the lower plate 122, of the upper cover 12, the guide plate 124 is arranged close to the periphery of the upper cover 12, and the top surface of the guide plate 124 is an inclined surface which is gradually inclined. The base 13 is provided with a scale storage groove 130 for collecting scale, the scale storage groove 130 is communicated with the inside of the barrel 11, and the bottom wall of the base 13 is provided with a scale discharge port 131 communicated with the scale storage groove 130. The scale discharging port 131 can be provided with a valve.
As shown in fig. 2, the heating body 2 is arranged in the housing 1, the heating body 2 includes an inner heating rod 21, an outer heating cylinder 22 and a coil 23, wherein the inner heating rod 21 is vertically arranged in the center of the housing 1, and the upper end and the lower end of the inner heating rod 21 are respectively abutted to the upper cover 12 and the base 13 on the housing 1; the outer heating cylinder 22 is vertically sleeved on the inner heating rod 21, the upper end and the lower end of the outer heating cylinder 22 are respectively abutted against the upper cover 12 and the base 13 on the shell 1, an annular steam generation cavity 10 is formed between the inner peripheral wall of the outer heating cylinder 22 and the peripheral wall of the inner heating rod 21 (the steam outlet 120 and the scale storage groove 130 on the lower plate 122 are opposite to the steam generation cavity 10, the lower end of the inclined plane of the guide plate 124 is positioned above the steam generation cavity 10 to guide the condensed water into the steam generation cavity 10), and a gap is reserved between the outer peripheral wall of the outer heating cylinder 22 and the inner wall of the shell 1; the coil 23 is disposed in the gap, and the coil 23 is spirally wound on the outer peripheral wall of the outer heating cylinder 22 in the axial direction, and the coil 23 generates heat to raise the temperature of the outer heating cylinder 22 when energized. In this embodiment, the internal heating rod 21 is electrically heated; the external heating cylinder 22 is heated by the coil 23, the coil 23 is electrified with high-frequency current, the external heating cylinder 22 made of metal generates induction eddy current, the eddy current generates joule heat, the temperature of the external heating cylinder 22 is increased in a short time, and then the water in the steam generating cavity 10 is rapidly heated.
The water inlet pipe 3 is disposed in the steam generating chamber 10, and the water inlet pipe 3 is spirally wound on the circumferential wall of the inner heating rod 21 along the axial direction, and the water inlet pipe 3 is respectively contacted with the circumferential wall of the inner heating rod 21 and the inner circumferential wall of the outer heating cylinder 22. The pipe wall of the water inlet pipe 3 is provided with a water outlet hole 30, and the water outlet hole 30 is opposite to the heating body 2 so as to enable water to flow onto the heating body 2. In this embodiment, there are two sets of water outlet holes 30, the first set of water outlet holes 30a is located on the inner side of the spirally wound water inlet pipe 3 and above and below the position where the water inlet pipe 3 contacts the peripheral wall of the inner heating rod 21, and the second set of water outlet holes 30b is located on the outer side of the spirally wound water inlet pipe 3 and above and below the position where the water inlet pipe 3 contacts the inner peripheral wall of the outer heating cylinder 22. Specifically, the cross section of the water inlet pipe 3 is circular, the first group of water outlet holes 30a are a plurality of circular holes distributed at intervals along the length direction of the water inlet pipe 3, and the center line of each circular hole in the first group of water outlet holes 30a is inclined at an angle of 60 degrees with the vertical direction, so that water from the first group of water outlet holes 30a can be sprayed onto the peripheral wall of the inner heating rod 21 along the inclined upward and inclined downward directions; the second group of water outlet holes 30b are also a plurality of circular holes arranged at intervals along the length direction of the water inlet pipe 3, and the center line of each circular hole in the second group of water outlet holes 30b is inclined at 60 degrees with the vertical direction, so that water energy coming out of the second group of water outlet holes 30b can be sprayed onto the inner peripheral wall of the outer heating cylinder 22 along the inclined upward and inclined downward directions. Meanwhile, the inlet pipe 3 is provided with a vertically extending passage 31 communicating with the steam generating chamber 10, and the passage 31 is partitioned from the inside of the inlet pipe 3 to prevent water in the inlet pipe 3 from flowing out therealong. Referring to fig. 3, the arrows in fig. 3 indicate the water flowing direction.
The vertical diapire that stretches out base 13 in bottom of inlet tube 3, the water inlet of inlet tube 3 is located outside the shell, and the water inlet department of inlet tube 3 is equipped with the pressure intensifying structure 5 (for the booster pump) that is used for promoting effluent pressure to make the water in the inlet tube 3 spout to heating body 2 through apopore 30 on, erode heating body 2, and guarantee the top of hydroenergy pump sending to inlet tube 3.
The driving mechanism 4 is positioned outside the shell 1, the output end of the driving mechanism 3 is in transmission connection with the bottom of the water inlet pipe 3, and the water inlet pipe 3 vertically moves under the action of the driving mechanism 4 and rubs the heating body 2. Specifically, the driving mechanism 4 includes a motor 41, a gear 42 with a toothed portion in transmission connection with an output shaft of the motor 41, a rotating shaft 43 connected with the center of the gear 42, and a cam 44 connected with the rotating shaft 43, wherein the rotating shaft 43 is horizontally arranged, and the cam 44 is vertically arranged; the bottom of the water inlet pipe 3 is vertically arranged, a driving plate 45 which can always abut against the outer end face of the cam 44 is arranged on the bottom, the driving plate 45 is positioned above the cam 44, and the driving plate drives the water inlet pipe 3 to move upwards under the action of the cam 44; and the cover is equipped with spring 6 on the bottom of inlet tube 3, and the both ends of spring 6 butt respectively on 1 diapire of shell and driving plate 45 to make driving plate 45 have the trend of downward movement all the time, and then drive inlet tube 3 downstream. Thus, the water inlet pipe 3 moves up and down through the matching of the driving mechanism 4 and the spring 6.
Therefore, in the working process of the steam generator, the motor 41 drives the gear 42 to rotate so as to drive the cam 44 to rotate, the cam 44 drives the transmission plate 45 to move upwards so as to drive the water inlet pipe 3 to move upwards, and the water inlet pipe 3 simultaneously rubs with the external heating cylinder 22 and the internal heating rod 21, so that scales on the external heating cylinder 22 and the internal heating rod 21 are effectively removed; the in-process extrusion spring 6 of driving plate 45 rebound, when cam 44 rotates no longer drive driving plate 45 rebound, driving plate 45 rebound under spring 6's elastic force effect, and then drive inlet tube 3 rebound, outer cartridge heater 22, interior heating rod 21 are rubbed once more to inlet tube 3, get rid of because of the incrustation scale that the heating produced. Therefore, in the heating process, the circular motion of the cam 44 and the telescopic motion of the spring 6 can make the water inlet pipe 3 reciprocate up and down, and continuously rub the outer heating cylinder 22 and the inner heating rod 21, thereby effectively avoiding the generation of scale.
Meanwhile, water entering from the water inlet spirally flows from bottom to top along the water inlet pipe 3 and exchanges heat with the outer heating cylinder 22 and the inner heating rod 21, so that the water temperature in the water inlet pipe 3 is increased, and in the flowing process of the water along the water inlet pipe 3, part of water is sprayed out from the water outlet hole 30 and directly sprayed onto the outer heating cylinder 22 and the inner heating rod 21, so that a large amount of steam is rapidly generated, and the preheating time is greatly shortened. And the water sprayed from the water outlet hole 30 to the outer heating cylinder 22 and the inner heating rod 21 can simultaneously wash the outer heating cylinder 22 and the inner heating rod 21, so as to wash away the scale adhered to the outer heating cylinder 22 and the inner heating rod 21, thereby further improving the steam generation efficiency.
The scale rubbed or washed down can be collected into the scale discharging groove 130 through the passage 31 of the water inlet pipe 3 and discharged through the scale discharging port 131. The generated steam flows upward through the passage 31 of the water inlet pipe 3 and is discharged from the steam outlet 120. And in the process of the up-and-down movement of the water inlet pipe 3, the water flow of the steam generating cavity 10 can flow through the channel 31 on the water inlet pipe 3, so that the movement resistance of the water inlet pipe 3 is reduced.
In order to overcome the defect that the descaling capability of the water inlet pipe 3 is reduced due to abrasion, the water inlet pipe 3 is made of wear-resistant materials such as SUS304
The kitchen appliance with the steam generator is a steam box, an oven, a microwave oven, a disinfection cabinet or an integral combination of at least two of the steam box, the oven, the microwave oven and the disinfection cabinet. The arrangement and position of the steam generator in the kitchen appliance refer to the prior art.
Claims (18)
1. A steam generator comprising:
the steam generator comprises a shell (1), a steam outlet (120) and a steam outlet, wherein the shell (1) is hollow inside, and the top of the shell (1) is provided with the steam outlet;
a heating body (2) arranged in the shell (1);
it is characterized by also comprising:
the water inlet pipe (3), at least partial water inlet pipe (3) is arranged in the shell (1) and is attached to or adjacent to the heating body (2), and the pipe wall of the water inlet pipe (3) is provided with a water outlet hole (30).
2. The steam generator of claim 1, wherein: the water outlet hole (30) is opposite to the heating body (2).
3. The steam generator of claim 1, wherein: the heating body (2) comprises an inner heating rod (21), and the inner heating rod (21) is vertically arranged in the center of the inner part of the shell (1); the water inlet pipe (3) is spirally wound on the peripheral wall of the inner heating rod (21) along the axial direction.
4. The steam generator of claim 3, wherein: the heating body (2) further comprises an outer heating cylinder (22), the outer heating cylinder (22) is sleeved on the periphery of the water inlet pipe (3) and forms an annular steam generation cavity (10) with the inner heating rod (21).
5. The steam generator of claim 4, wherein: the heating body (2) further comprises a coil (23), a gap is reserved between the peripheral wall of the outer heating cylinder (22) and the inner wall of the shell (1), the coil (23) is arranged in the gap, the coil (23) is spirally wound on the peripheral wall of the outer heating cylinder (22) along the axial direction, and the coil (23) generates heat after being electrified so that the temperature of the outer heating cylinder (22) is increased.
6. The steam generator of claim 4, wherein: the water inlet pipe (3) is respectively contacted with the peripheral wall of the inner heating rod (21) and the inner peripheral wall of the outer heating cylinder (22), at least two groups of water outlet holes (30) are arranged, a first group of water outlet holes (30a) are positioned above and/or below the contact position of the water inlet pipe (3) and the peripheral wall of the inner heating rod (21), and a second group of water outlet holes (30b) are positioned above and/or below the contact position of the water inlet pipe (3) and the inner peripheral wall of the outer heating cylinder (22).
7. The steam generator of claim 6, wherein: the cross section of the water inlet pipe (3) is circular, the first group of water outlet holes (30a) are round holes, and the center line of the first group of water outlet holes (30a) is inclined at 30-60 degrees with the vertical direction; the second group of water outlet holes (30b) are round holes, and the center line of the second group of water outlet holes (30b) is inclined at 30-60 degrees with the vertical direction.
8. The steam generator of claim 1, wherein: the water inlet of inlet tube (3) is located outside shell (1), and the water inlet department of inlet tube (3) is equipped with pressure boost structure (5) that are used for promoting water pressure.
9. The steam generator according to any one of claims 3 to 7, wherein: the bottom of inlet tube (3) is vertical to be stretched out shell (1) diapire, still including actuating mechanism (4), and this actuating mechanism (4) are located outside shell (1), and the output and the inlet tube (3) bottom transmission of actuating mechanism (4) are connected, and inlet tube (3) vertical removal and friction heating body (2) under the effect of actuating mechanism (4).
10. The steam generator of claim 9, wherein: the driving mechanism (4) comprises a motor (41), a gear (42) with a tooth part in transmission connection with an output shaft of the motor (41), a rotating shaft (43) connected with the center of the gear (42), and a cam (44) connected with the rotating shaft (43), wherein the cam (44) is vertically arranged; a driving plate (45) which can always abut against the outer end face of the cam (44) is arranged at the bottom of the water inlet pipe (3), the driving plate (45) is positioned above the cam (44), and the water inlet pipe (3) is driven to move upwards under the action of the cam (44); and the elastic piece acts on the transmission plate (45) to enable the transmission plate (45) to always have a downward moving trend.
11. The steam generator of claim 10, wherein: the elastic piece is a spring (6), the spring (6) is sleeved on the bottom of the water inlet pipe (3), and two ends of the spring (6) are respectively abutted to the bottom wall of the shell (1) and the transmission plate (45).
12. The steam generator of claim 9, wherein: be equipped with vertical extension's passageway (31) on inlet tube (3), this passageway (31) separates with inlet tube (3) inside mutually so that prevent the water in inlet tube (3) along its outflow.
13. The steam generator of claim 9, wherein: the bottom of the shell (1) is provided with a scale storage groove (130) for collecting scale, and the bottom wall of the shell (1) is provided with a scale discharge port (131) communicated with the scale storage groove (130).
14. The steam generator according to any one of claims 1 to 8, wherein: the top of the shell (1) comprises an upper plate (121) and a lower plate (122) which are distributed at intervals up and down, the upper plate and the lower plate are respectively provided with the steam outlets (120), and the steam outlets (120) on the upper plate and the lower plate are arranged in a staggered mode in the vertical direction.
15. The steam generator of claim 14, wherein: a guide plate (124) for guiding condensed water down is arranged on the shell (1) corresponding to the position below the lower plate (122), and the top surface of the guide plate (124) is an inclined surface which is gradually inclined downwards from top to bottom.
16. The steam generator of claim 14, wherein: the steam outlet (120) is provided with a vertical division bar (123) to divide the steam outlet (120) into at least two small holes.
17. A kitchen appliance using the steam generator according to any one of claims 1 to 16.
18. The kitchen appliance of claim 17, wherein: the kitchen appliance is a steam box, an oven, a microwave oven, a disinfection cabinet or an integral combination of at least two of the steam box, the oven, the microwave oven and the disinfection cabinet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190863.1A CN112377886B (en) | 2020-10-30 | 2020-10-30 | Steam generator and kitchen appliance with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190863.1A CN112377886B (en) | 2020-10-30 | 2020-10-30 | Steam generator and kitchen appliance with same |
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| CN112377886A true CN112377886A (en) | 2021-02-19 |
| CN112377886B CN112377886B (en) | 2021-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023103631A1 (en) * | 2021-12-09 | 2023-06-15 | 苏州简单有为科技有限公司 | Heating apparatus and surface cleaning device |
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| CN112377886B (en) | 2021-11-26 |
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