CN111557587A - Steam low-displacement steam box - Google Patents
Steam low-displacement steam box Download PDFInfo
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- CN111557587A CN111557587A CN202010324721.3A CN202010324721A CN111557587A CN 111557587 A CN111557587 A CN 111557587A CN 202010324721 A CN202010324721 A CN 202010324721A CN 111557587 A CN111557587 A CN 111557587A
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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
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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
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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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
- 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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- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to a low-displacement steam box which comprises an inner container, a water tank and an exhaust passage, wherein the side wall of the inner container is respectively provided with an exhaust port and a water inlet, the water tank is respectively provided with a water outlet interface and a water return interface, the low-displacement steam box also comprises a water inlet pipeline and an exhaust pipeline which are arranged adjacently, one end of the water inlet pipeline is communicated with the water outlet interface, the other end of the water inlet pipeline is respectively provided with a first water inlet branch and a second water inlet branch, the first water inlet branch is provided with a water inlet valve, the second water inlet branch is provided with a water return valve, one end of the exhaust pipeline is communicated with the water return interface, the other end of the exhaust pipeline is communicated with the air inlet of the exhaust passage, and water. Compared with the prior art, the steam preheating device can reduce the amount of discharged steam, improve the use experience of users, and simultaneously preheat water in the water inlet pipeline by using the steam, thereby shortening the preheating time of the steam box, shortening the time of heating the water by the heating plate to heat the water to generate the steam, and reducing the energy consumption of the steam box.
Description
Technical Field
The invention relates to the field of cooking devices, in particular to a steam low-displacement steam box.
Background
The air displacement is one of the important indexes for measuring the performance of the steam box, if the air displacement of the steam box is too large, the endurance time of the water tank can be shortened, the moisture content in the exhaust gas at the air outlet of the air deflector of the steam box can be increased, and the use experience of a user is seriously influenced. For example: gas discharged from the air outlet of the air deflector can be condensed after contacting the control assembly and the door assembly, and condensed water drops can flow downwards along the outer side of the box body and can cause the cabinet to be rotten after contacting a wooden cabinet; when the external environment temperature is lower, the gas discharged out of the steam box is rapidly condensed in the air due to higher water content to form obvious water mist visible to the naked eye, thereby seriously influencing the use experience of users.
At present, generally reduce the outer steam of arranging of steam ager during operation through the mode that sets up condensing equipment, chinese utility model patent as patent number ZL201820926641.3 (the grant bulletin number is CN209153245U) discloses a steam condensation structure for steam ager, including exhaust fan, the air exhaust passageway and the condensation chamber that has steam inlet with the air outlet intercommunication of exhaust fan, the condensation chamber sets up at the top of air exhaust passageway and with this air exhaust passageway sharing its diapire that can heat conduction to, be equipped with the heat accumulation intermediate layer on this condensation chamber except that being equipped with on the lateral wall of at least one side of diapire, the liquid that has the ability heat accumulation is held in this heat accumulation intermediate layer, and the heat of the steam that lets in above-mentioned condensation chamber can be absorbed to this liquid. This patent can carry out the forced air cooling to the steam that gets into the condensation chamber through the passageway of airing exhaust, can heat-conducting diapire through the condensation chamber promptly, utilizes the cold wind in the passageway of airing exhaust to take away the heat that lets in the steam in condensation chamber, and liquid can absorb the heat that lets in the steam in above-mentioned condensation chamber in the heat accumulation intermediate layer simultaneously, and the heat of steam can be absorbed to the heat accumulation intermediate layer like this to the realization is to the condensation of steam, thereby reduces the outer steam volume of arranging. Further, patents such as "a steam processing structure for steam box" in chinese patent application No. CN201710628170.8 (publication No. CN108065787A) and "a steam guide condensation structure for steam box" in chinese patent application No. CN201710631508.5 (publication No. CN108065795A) disclose that the amount of steam discharged is reduced by a condensing device.
Although the condensing device (such as a condensing cavity, a condensing box, etc.) is arranged to condense the steam, thereby reducing the amount of the discharged steam to a certain extent, the existing condensing device generally directly uses the outlet air of the exhaust passage of the steam box as a cold source to condense the steam entering the condensing device, and the condensing effect on the steam still needs to be improved.
Disclosure of Invention
The invention aims to solve the first technical problem of providing a low-displacement steam box with low outward steam discharge aiming at the prior art.
The second technical problem to be solved by the invention is to provide a steam low-displacement steam box capable of preheating water aiming at the prior art.
The third technical problem to be solved by the invention is to provide a steam low-displacement steam box which avoids residual water in a water path aiming at the prior art.
The technical scheme adopted by the invention for solving at least one technical problem is as follows: a low-displacement steam box comprises an inner container, a water tank and an exhaust channel with an air inlet, wherein the side wall of the inner container is respectively provided with an air outlet and an air inlet, the water tank is respectively provided with a water outlet interface and a water return interface, it is characterized by also comprising a water inlet pipeline and an exhaust pipeline which are arranged adjacent to each other, wherein one end of the water inlet pipeline is communicated with the water outlet interface of the water tank, the other end of the water inlet pipeline is respectively provided with a first water inlet branch which is used for being communicated with the water inlet of the liner and a second water inlet branch which is used for being communicated with the water return interface of the water tank, the first water inlet branch is provided with a water inlet valve for controlling the opening and closing of the first water inlet branch, and a water return valve for controlling the opening and closing of the second water inlet branch is arranged on the second water inlet branch, one end of the exhaust pipeline is communicated with the water return interface, the other end of the exhaust pipeline is communicated with the air inlet of the exhaust channel, and water energy in the water inlet pipeline and steam in the exhaust pipeline exchange heat with each other.
Furthermore, an exhaust port of the inner container is overlapped with the water inlet, and the exhaust pipeline and the water inlet pipeline are nested inside and outside each other. The water in the water inlet pipeline and the steam in the exhaust pipeline can generate heat exchange better through the nested arrangement of the inside and the outside of the exhaust pipeline and the water inlet pipeline.
The inside and outside nested arrangement of exhaust pipeline and water inlet pipeline can have multiple implementation modes, preferably, the exhaust pipeline comprises a first exhaust joint, an exhaust pipe, a second exhaust joint, a condensation cavity and a third exhaust joint, the water inlet pipeline comprises a first water inlet joint, a water flowing ring groove, a second water inlet joint, a water inlet pipe and a third water inlet joint, wherein the condensation cavity is respectively provided with a gas inlet hole and a gas outlet hole, the water flowing ring groove is respectively provided with a water inlet hole and a water outlet hole, the shapes of the joints are tubular, the first exhaust joint is inserted in the third water inlet joint along the length direction of the third water inlet joint, a third water inlet ring channel is formed between the outer peripheral surface of the first exhaust joint and the inner peripheral surface of the third water inlet joint, the two ends of the third water inlet ring channel are respectively provided with a first water guide interface and a second water guide interface, wherein the first water guide interface is communicated with the water inlet, one end of the first exhaust joint protrudes out of the third water inlet joint to form a first exhaust interface, the third water inlet ring is divided into at least three parts which are independent from each other along the length direction, wherein the third water inlet ring of the first water guide joint end forms a first ring cavity, the side wall of the first ring cavity is provided with a second water inlet interface, the third water inlet ring of the second water guide joint end forms a second ring cavity, the side wall of the second ring cavity is respectively provided with a first water outlet interface and a second water outlet interface, wherein the first water inlet branch is used for communicating the first water outlet interface and the second water inlet interface, the second water inlet branch is used for communicating the second water outlet interface and the water return interface of the water tank, the exhaust pipe is inserted into the water inlet pipe along the length direction of the water inlet pipe, a water inlet channel is formed between the outer peripheral surface of the exhaust pipe and the inner peripheral surface of the water inlet pipe, one end of the water inlet channel is communicated with the second water guide interface, the first exhaust port is inserted into one end port of the exhaust pipe, the second exhaust joint is inserted into the second water inlet joint along the length direction of the second water inlet joint, a second water inlet ring channel is formed between the outer circumferential surface of the second exhaust joint and the inner circumferential surface of the second water inlet joint, one end of the second water inlet ring channel is communicated with the other end of the water inlet channel, the other end of the second water inlet ring channel is communicated with the water outlet hole of the water flowing ring groove, two ends of the second exhaust joint are respectively exposed out of the second water inlet joint and are respectively communicated with the other end port of the exhaust pipe and the air inlet hole of the condensation cavity, the third exhaust joint is inserted into the first water inlet joint along the length direction of the first water inlet joint, a first water inlet ring channel is formed between the outer circumferential surface of the third exhaust joint and the inner circumferential surface of the first water inlet joint, one end of the first water inlet ring channel is sealed, and the other end of the first exhaust joint is communicated with the, and the side wall of the first water inlet loop is provided with a first water inlet interface communicated with the water outlet interface of the water tank, two ends of a third exhaust joint are respectively exposed out of the first water inlet joint, one end of the third exhaust joint is communicated with the air outlet of the condensation cavity, and the other end of the third exhaust joint is communicated with the air inlet of the exhaust channel in a fluid manner.
For making first water outlet port communicate with the second interface of intaking better, first branch of intaking includes first water inlet branch pipe, and the one end and the first water outlet port intercommunication of this first branch of intaking, the other end and the second interface of intaking communicate, and above-mentioned water intaking valve sets up on this first water inlet branch pipe, and still is provided with the intake pump on this first water inlet branch pipe, enables the water in the water tank to get into the inlet channel more high-efficiently through setting up the intake pump.
For making the second go out the water interface communicate with the return water interface of water tank better, the second branch of intaking includes the second branch of intaking, and this second intake branch's one end and second go out the water interface intercommunication, the other end and the return water interface intercommunication of water tank, above-mentioned return valve setting still is provided with the return water pump on this second branch of intaking, and in this second branch of intaking, can make the water in the inlet channel flow back to the water tank more high-efficiently through setting up the return water pump.
The water inlet valve, the water inlet pump, the water return valve and the water return pump are respectively arranged on the mounting seat, the water inlet valve and the water inlet pump are arranged in a vertically opposite mode and are communicated through a first connecting pipe, and the water return valve and the water return pump are arranged in a vertically opposite mode and are communicated through a second connecting pipe. Therefore, the steam box is simple in internal structure, connection of each branch and the corresponding interface is better realized, and assembly and production of the steam box are facilitated.
Further, still include the condensation box, this condensation box includes inside and outside nested interior box body and outer box body, and wherein the inner chamber of interior box body forms above-mentioned condensation chamber, forms above-mentioned flowing water annular between the lateral surface of interior box body and the medial surface of outer box body, and above-mentioned inlet port and venthole are seted up respectively on the lateral wall of interior box body, and last inlet port and apopore are seted up respectively on the lateral wall of outer box body.
Further, a water retaining partition plate is vertically arranged between the water inlet hole and the water outlet hole in the water flowing ring groove, and a water leakage hole is formed in the water retaining partition plate. The flow path of water flow in the water flowing ring groove can be changed by arranging the water retaining partition plate, so that local high temperature of water in the water flowing ring groove is avoided, and the condensation effect on steam is ensured.
Furthermore, the bottom surface of interior box body is unsettled for the interior bottom surface of outer box body, and vertically separates between the bottom surface of interior box body and the interior bottom surface of outer box body to be equipped with along the length or the width direction extension of interior box body unhurried current board, has seted up the guiding hole on this unhurried current board. The flow path of water at the bottom of the inner box body can be changed by arranging the buffer plate, and then local high temperature at the bottom of the inner box body is avoided.
Further, first exhaust joint and third water supply connector are integrative and for following the return bend that sets up from top to bottom, and it takes place circular-arc the back of buckling by the lower extreme that the level extends vertical upwards to extend and form, and the level of above-mentioned first ring chamber extends, and the vertical extension of above-mentioned second interface of intaking, the vertical extension of second ring chamber, and above-mentioned first interface of going out water and second interface of going out water level extension respectively, and first interface of going out water and second interface of going out water set up relatively.
The condenser comprises an inner container, a condenser box and a first water inlet connector, wherein the condenser box is arranged on the inner container, the first water inlet connector and the third air outlet connector are integrated and are bent pipes, and the first water inlet connector is higher than the condenser box and is positioned at the highest position of a water inlet pipeline. Therefore, after the water inlet valve is opened, the water in the water tank can quickly fill the whole water inlet pipeline through the first water inlet interface, and the water inlet efficiency is improved.
Compared with the prior art, the invention has the advantages that: the water inlet pipeline is adjacent to the exhaust pipeline, and water in the water inlet pipeline and steam in the exhaust pipeline can exchange heat with each other. The water that gets into the water inlet pipe by the water tank is cold water, cold water in the water inlet pipe and the steam in the exhaust pipe can the interexchange heat like this, thereby hydroenergy in the water inlet pipe condenses the steam in the exhaust pipe, reduce outer steam volume of arranging, promote user's use and experience, steam can preheat the water in the water inlet pipe simultaneously, thereby shorten the steam ager preheating time, shorten the time that heating plate adds hot water and produces steam, reduce the energy consumption of steam ager. In addition, the water inlet pipeline is provided with a second water inlet branch, when the steam box works, the second water inlet branch is opened through the water return valve firstly, water in the water box is filled in the water inlet pipeline through the water return interface through the second water inlet branch, then the water return valve is closed, the water inlet valve is opened, and water in the water box enters the inner container through the water outlet interface through the water inlet pipeline. Simultaneously, after cooking is finished, water in the water inlet pipeline can be pumped back to the water tank through the second water inlet branch, and residual water in the water inlet pipeline is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a steam box in an embodiment of the invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;
FIG. 3 is a partial structural view of the steam box in the embodiment of the present invention;
FIG. 4 is a partial structural view of the steam box in the embodiment of the present invention;
FIG. 5 is another partial structural view of the steam box in the embodiment of the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5 in another direction;
FIG. 7 is a sectional view showing an exploded view of a part of the structure of the steam box according to the embodiment of the present invention;
FIG. 8 is a schematic structural view of a first exhaust fitting and a third water inlet fitting in an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a first exhaust fitting and a third water inlet fitting in an embodiment of the present invention;
FIG. 10 is a schematic view of the structure of the exhaust pipe and the water inlet pipe in the embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in figures 1-10, the steam box with low steam discharge comprises a liner 1, an upper mounting plate 10 is arranged above the liner 1, and a water tank 2 and an exhaust channel are respectively arranged on the upper surface of the upper mounting plate 10. Specifically, the sidewall of the inner container 1 is separately provided with an air outlet 11 and a water inlet 11, the inner bottom surface of the inner container 1 is provided with a built-in steam generator (in this embodiment, a heating plate), the water tank 2 is respectively provided with a water outlet 21 and a water return 22, the upper mounting plate 10 is arranged above the top surface of the inner container 1, the upper surface of the upper mounting plate 10 is covered with an air deflector 3, the air deflector 3 and the upper surface of the upper mounting plate 10 enclose the air exhaust channel, the air inlet end of the air exhaust channel is provided with a volute cover 31, an exhaust fan 32 is installed in the volute cover 31, and the top wall of the volute cover 31 is provided with an air inlet 30.
Further, the water inlet pipeline 4 and the exhaust pipeline 5 are arranged adjacent to each other, wherein one end of the water inlet pipeline 4 is communicated with the water outlet port 21 of the water tank 2, the other end of the water inlet pipeline 4 is respectively provided with a first water inlet branch 7 communicated with the water inlet 11 of the liner 1 and a second water inlet branch 8 communicated with the water return port 22 of the water tank 2, the first water inlet branch 7 is provided with a water inlet valve 71 used for controlling the opening and closing of the first water inlet branch 7, the second water inlet branch 8 is provided with a water return valve 81 used for controlling the opening and closing of the second water inlet branch 8, one end of the exhaust pipeline 5 is communicated with the water return port 22, the other end of the exhaust pipeline is communicated with the air inlet 30 of the exhaust passage, and water in the water inlet pipeline 4 and steam in the exhaust pipeline 5 exchange heat with each other. The water that gets into water intake pipe 4 by water tank 2 is cold water, cold water in the water intake pipe 4 can the interexchange heat with the steam in the exhaust pipe 5 like this, thereby hydroenergy in the water intake pipe 4 condenses the steam in the exhaust pipe 5, reduce outer steam discharge, promote user's use and experience, steam can preheat the water in the water intake pipe 4 simultaneously, thereby shorten the steam ager preheating time, shorten the time that heating plate adds hot water and produces steam, reduce the energy consumption of steam ager. In addition, the water inlet pipeline 4 is provided with a second water inlet branch 8, when the steam box works, the second water inlet branch 8 is firstly opened through the water return valve 81, water in the water tank 2 is fully filled in the water inlet pipeline 4 through the water return connector 22 through the second water inlet branch 8, then the water return valve 81 is closed, the water inlet valve 71 is opened, and water in the water tank 2 enters the inner container 1 through the water inlet pipeline 4 through the water outlet connector 21, so that at the moment that the steam box generates external steam, the water in the water inlet pipeline 4 can be subjected to heat exchange with the external steam, the condensation on the steam is realized, the condensation effect on the steam is ensured, and the external steam discharge capacity of the steam box is reduced to the maximum extent. Simultaneously the accessible second inlet branch 8 is taken back the water in the inlet channel 4 and is pumped to water tank 2 after the culinary art finishes, avoids remaining water in the inlet channel 4.
In the invention, in order to ensure that water in the water inlet pipeline 4 can better exchange heat with steam in the exhaust pipeline 5, the exhaust port 11 of the liner 1 is superposed with the water inlet 11, and the exhaust pipeline 5 and the water inlet pipeline 4 are mutually nested inside and outside. Specifically, in this embodiment, the exhaust pipe 5 includes a first exhaust joint 51, an exhaust pipe 54, a second exhaust joint 52, a condensation chamber 60, and a third exhaust joint 53, the water inlet pipe 4 includes a first water inlet joint 41, a water flowing ring groove 63, a second water inlet joint 42, a water inlet pipe 44, and a third water inlet joint 43, wherein the condensation chamber 60 has a water inlet hole 611 and a water outlet hole 612, respectively, the water flowing ring groove 63 has a water inlet hole 621 and a water outlet hole 622, respectively, the first exhaust joint 51 is inserted into the third water inlet joint 43 along the length direction of the third water inlet joint 43, a third water inlet ring 403 is formed between the outer circumferential surface of the first exhaust joint 51 and the inner circumferential surface of the third water inlet joint 43, the two ends of the third water inlet ring 403 are a first water guide port 403a and a second water guide port 403b, respectively, wherein the first water guide port 403a communicates with the water inlet 11, one end of the first exhaust joint 51 protrudes from the third water inlet joint 43 to form a first exhaust port 511, the third water inlet ring 403 is divided into at least three parts which are independent from each other along the length direction, wherein the third water inlet ring 403 at the first water inlet port 403a forms a first ring cavity 403c, a second water inlet port 4031 is disposed on the sidewall of the first ring cavity 403c, the third water inlet ring 403 at the second water inlet port 403b forms a second ring cavity 403d, a first water outlet port 4032 and a second water outlet port 4033 are respectively disposed on the sidewall of the second ring cavity 403d, wherein the first water inlet branch 7 is used for communicating the first water outlet port 4032 and the second water inlet port 4031, the second water inlet branch 8 is used for communicating the second water outlet port 4033 with the water tank 22, the return water exhaust pipe 54 is inserted into the water inlet pipe 40344 along the length direction of the water inlet pipe 44, a water inlet channel 404 is formed between the outer circumferential surface of the exhaust pipe 54 and the inner circumferential surface of the water inlet pipe 44, one end of the water inlet channel 404 is communicated with the second water guide port 403b, the first exhaust port 511 is inserted into one end port of the exhaust pipe 54, the second exhaust joint 52 is inserted into the second water inlet joint 42 along the length direction of the second water inlet joint 42, a second water inlet ring 402 is formed between the outer circumferential surface of the second exhaust joint 52 and the inner circumferential surface of the second water inlet joint 42, one end of the second water inlet ring 402 is communicated with the other end of the water inlet channel 404, the other end of the second water inlet ring 402 is communicated with the water outlet 622 of the water flowing ring groove 63, the two ends of the second exhaust joint 52 are respectively exposed out of the second water inlet joint 42 and are respectively communicated with the other end port of the exhaust pipe 54 and the air inlet 611 of the condensation chamber 60, the third exhaust joint 53 is inserted into the first water inlet joint 41 along the length direction of the first water inlet joint 41, a first water inlet ring channel 401 is formed between the outer circumferential surface of the third air outlet joint 53 and the inner circumferential surface of the first water inlet joint 41, one end of the first water inlet ring channel 401 is sealed, the other end is communicated with the water inlet hole 621 of the water flowing ring groove 63, a first water inlet interface 4011 (in the embodiment, the first water inlet interface 4011 and the water outlet interface 21 of the water tank 2 are communicated through the water outlet pipe 14) is arranged on the side wall of the first water inlet ring channel 401, two ends of the third air outlet joint 53 are respectively exposed out of the first water inlet joint 41, one end of the third air outlet joint 53 is communicated with the air outlet hole 622 of the condensation cavity 60, and the other end is communicated with the air inlet 30 of the air outlet channel. In this embodiment, the air guide plate 3, the condensing box 6, the first exhaust joint 51, the second exhaust joint 52, and the third exhaust joint 53 are formed as a single body, and the first water inlet joint 41, the second water inlet joint 42, and the third water inlet joint 43 are formed as a single body.
Further, in this embodiment, the first water inlet branch 7 includes a first water inlet branch pipe 70, one end of the first water inlet branch pipe 70 is communicated with the first water outlet port 4032, the other end is communicated with the second water inlet port 4031, the water inlet valve 71 is disposed on the first water inlet branch pipe 70, and a water inlet pump 72 is further disposed on the first water inlet branch pipe 70, so that water in the water tank 2 can enter the water inlet pipeline 4 more efficiently by disposing the water inlet pump 72. The second water inlet branch 8 comprises a second water inlet branch pipe 80, one end of the second water inlet branch pipe 80 is communicated with the second water outlet port 4033, the other end of the second water inlet branch pipe 80 is communicated with the water return port 22 of the water tank 2, the water return valve 81 is arranged on the second water inlet branch pipe 80, the second water inlet branch pipe 80 is further provided with a water return pump 82, and water in the water inlet pipeline 4 can efficiently flow back to the water tank 2 by arranging the water return pump 82. The water inlet valve 71, the water inlet pump 72, the water return valve 81 and the water return pump 82 are respectively arranged on the mounting base 9, the water inlet valve 71 and the water inlet pump 72 are arranged in a vertically opposite manner and are communicated with each other through a first connecting pipe 91, and the water return valve 81 and the water return pump 82 are arranged in a vertically opposite manner and are communicated with each other through a second connecting pipe 92. Therefore, the steam box is simple in internal structure, connection of each branch and the butt joint interface is better realized, and assembly and production of the steam box are facilitated.
Further, still include condensation box 6, this condensation box 6's appearance is squarely, and it includes inside and outside nested interior box body 61 and outer box body 62, and wherein the inner chamber of interior box body 61 forms above-mentioned condensation chamber 60, forms above-mentioned ring groove 63 between the lateral surface of interior box body 61 and the medial surface of outer box body 62, and above-mentioned inlet port 611 and venthole 612 are seted up respectively on the lateral wall of interior box body 61, and last inlet port 621 and apopore 622 are seted up respectively on the lateral wall of outer box body 62. Further, in this embodiment, the air inlet hole 611 and the air outlet hole 612 respectively start on different sidewalls of the inner case 61, and the distance between the two is at least equal to the length of one sidewall of the inner case 61, the water inlet hole 621 and the water outlet 622 are respectively opened on different sidewalls of the outer case 62, and the distance between the two is at least equal to the length of one sidewall of the outer case 62, so that the flowing distance of water in the flowing water ring groove 63 can be extended, and the water is fully contacted with the steam in the condensation chamber 60. In addition, a water blocking partition plate 64 is vertically disposed between the water inlet 621 and the water outlet 622 in the water ring groove 63, and a water leakage hole 641 is formed in the water blocking partition plate 64. Therefore, the flow path of water flow in the water flowing ring groove 63 can be changed by arranging the water retaining partition plate 64, and local high temperature of water in the water flowing ring groove 63 is avoided, so that the condensation effect of steam is ensured. Further, in this embodiment, the water inlet 621 and the water outlet 622 of the water ring groove 63 are respectively formed on adjacent sidewalls of the outer case 62, and at least two water baffles 64 are respectively disposed on opposite sides of the water ring groove 63. This allows the flow path of the water in the ring groove 63 to be better altered, and thus, local high temperatures of the water in the ring groove 63 to be better avoided.
Further, in this embodiment, the outer bottom surface of the inner box 61 is suspended with respect to the inner bottom surface of the outer box 62, so that the water entering the condensation box 6 can be distributed around and at the bottom of the inner box 61, thereby enabling the water entering the condensation box 6 to be in contact with the steam in the condensation chamber 60 more sufficiently, and further improving the condensation effect on the steam. Still further, the slow flow plate 65 extending along the width direction of the inner box 61 is vertically arranged between the bottom surface of the inner box 61 and the inner bottom surface of the outer box 62 at an interval, a water guide hole 651 is formed in the slow flow plate 65, the flow path of water at the bottom of the inner box 61 can be changed by arranging the slow flow plate 65, and then local high temperature of the water at the bottom of the inner box 61 is avoided. Preferably, in this embodiment, the flow baffles 65 are disposed at intervals along the length direction of the inner box body 61, and the water holes 651 of each flow baffle 65 are disposed at intervals along the length direction of the flow baffle 65. The flow path of water can be better changed at the bottom of the inner box body 61 by arranging the plurality of the baffle plates 65, so that local high temperature of the water at the bottom of the inner box body 61 can be better avoided.
In this embodiment, the inner bottom surface of the inner box body 61 is inclined towards the air inlet holes 611 by the air outlet holes 612, so that the steam entering the condensation cavity 60 is condensed to form condensed water, the condensed water can flow into the water inlet pipe 44 along the inner bottom surface of the inner box body 61, and flows into the inner container 1 through the water inlet pipe 44, and is heated by the heating plate 12 and then changed into steam again, thereby recycling the condensed water. In addition, the shape of the inner top surface of the condensation chamber 60 is zigzag, so that the steam entering the condensation chamber 60 can better drip onto the inner bottom surface of the inner box body 61 from top to bottom after colliding with the inner top surface of the condensation chamber 60. Specifically, in the present embodiment, the inner container 61 and the outer container 62 are respectively provided with an upper opening, wherein the upper opening of the inner container 61 is covered with a condensation plate 64, a lower surface of the condensation plate 64 is zigzag, the lower surface of the condensation plate 64 and the inner surface of the inner container 61 define the condensation chamber 60, and the upper opening of the outer container 62 is covered with a cover plate 66.
Further, the condensation box is fixed on the upper surface of the air deflector 3, the first water inlet joint 41 and the third air outlet joint 53 are an integral piece and are bent pipes, and the first water inlet joint 4011 is higher than the condensation box 6 and is located at the highest position of the water inlet pipeline 4. Therefore, after the water inlet valve 71 is opened, the water in the water tank 2 can quickly fill the whole water inlet pipeline 4 through the first water inlet interface 4011, and the water inlet efficiency is improved.
In addition, in this embodiment, the first exhaust joint 51 and the third water inlet joint 43 are an integral unit and are bent pipes disposed along the vertical direction, and the lower ends of the first exhaust joint and the third water inlet joint are bent in an arc shape and then extend vertically, the first annular cavity 403c extends horizontally, the second water inlet port 4031 extends vertically, the second annular cavity 403d extends vertically, the first water outlet port 4032 and the second water outlet port 4033 extend horizontally, and the first water outlet port 4032 and the second water outlet port 4033 are disposed opposite to each other.
The working process of the steam box disclosed by the invention is as follows:
when the steam box starts to work, the water return valve 81 is opened, the water return pump 82 works, water in the water tank 2 enters the second water inlet branch 8 through the water return interface 22, enters the second annular cavity 403d through the second water outlet interface 4033 under the action of the water return pump 82, then enters the water flowing ring groove 63 through the second water inlet ring 402 and the water outlet hole 622, and enters the first water inlet ring channel 401 through the water inlet hole 621, so that the whole water inlet pipe 44 is filled with water. Whether the return line is filled with water may be determined by detecting a change in the current range of the return pump 82.
The water return valve 81 is closed, the water return pump 82 does not work, the water inlet valve 71 is opened, the water inlet pump 72 works, water in the second annular cavity 403d enters the inner container 1 through the first water outlet port 4032, the first water inlet branch 7 and the second water inlet port 4031, and steam is generated by directly heating through a built-in steam generator (a heating disc 12) in the inner container 1. The discharged steam enters the exhaust pipeline 5 through the exhaust port 11, and simultaneously, water in the water tank 2 enters the water inlet pipeline 4 through the water outlet port 21 and the first water inlet port 4011. The steam entering the first exhaust joint 51 can be condensed once by the water in the third water inlet loop 403 (while the water in the third water inlet loop 403 is also preheated four times by the steam of the first exhaust joint 51). The steam then enters the exhaust pipe 54 and the second exhaust joint 52 in sequence, and the water in the water inlet pipe 44 and the water in the second water inlet loop 402 can perform secondary condensation on the steam in the exhaust pipe 54 and the second exhaust joint 52, respectively (while the water in the water inlet pipe 44 and the water in the second water inlet loop 402 are also preheated three times). The steam is discharged into the condensation chamber 60 and the water entering the ring groove 63 is aligned for a third condensation (while the steam in the condensation chamber 60 performs a second preheating of the water in the ring groove 63). Finally, the steam is discharged to the third exhaust joint 53 and enters the exhaust channel to be discharged outside through the air inlet pipe 13 and the air inlet 30, wherein the steam discharged to the third exhaust joint 53 can be condensed by the water in the first water inlet loop 401 for four times (meanwhile, the water in the first water inlet loop 401 can also be preheated for one time). Therefore, steam in the exhaust pipeline 5 is condensed layer by layer, water in the water inlet pipeline 4 is preheated layer by layer, the steam condensation and the water inlet preheating achieve the best effect, the amount of discharged steam is reduced to the maximum degree, and meanwhile, the cooking efficiency is effectively improved.
After the cooking is finished, the water inlet valve 71 is closed, the water inlet pump 72 does not work, the water return valve 81 is opened, the water return pump 82 works, water in the water inlet pipeline 4 flows back to the water tank 2 through the second water inlet branch 8, therefore, residual water in the water inlet pipeline 4 after the cooking is finished is avoided, and meanwhile, the residual water in the inner container 1 can be heated and dried through the built-in steam generator.
Claims (11)
1. A low-displacement steam box comprises an inner container (1), a water tank (2) and an exhaust passage with an air inlet (30), wherein the side wall of the inner container (1) is respectively provided with an air outlet (11) and an air inlet (11), the water tank (2) is respectively provided with an water outlet interface (21) and a water return interface (22), the low-displacement steam box is characterized by further comprising a water inlet pipeline (4) and an exhaust pipeline (5) which are adjacently arranged, one end of the water inlet pipeline (4) is communicated with the water outlet interface (21) of the water tank (2), the other end of the water inlet pipeline is respectively provided with a first water inlet branch (7) communicated with the water inlet (11) of the inner container (1) and a second water inlet branch (8) communicated with the water return interface (22) of the water tank (2), the first water inlet branch (7) is provided with a water inlet valve (71) for controlling the opening and closing of the first water inlet branch (7), and a water return valve (81) for controlling the opening and closing of the second water inlet branch (8) is arranged on the second water inlet branch (8), one end of the exhaust pipeline (5) is communicated with the water return interface (22), the other end of the exhaust pipeline is communicated with an air inlet (30) of an exhaust channel, and water in the water inlet pipeline (4) and steam in the exhaust pipeline (5) exchange heat with each other.
2. A low volume steamer according to claim 1, characterized in that the air outlet (11) of the inner container (1) coincides with the water inlet (11), and the air outlet (5) and the water inlet (4) are nested inside and outside each other.
3. The low-displacement steam box according to claim 2, wherein the exhaust pipeline (5) comprises a first exhaust joint (51), an exhaust pipe (54), a second exhaust joint (52), a condensation chamber (60) and a third exhaust joint (53), the water inlet pipeline (4) comprises a first water inlet joint (41), a water ring groove (63), a second water inlet joint (42), a water inlet pipe (44) and a third water inlet joint (43), wherein the condensation chamber (60) is respectively provided with a water inlet hole (611) and a water outlet hole (612), the water ring groove (63) is respectively provided with a water inlet hole (621) and a water outlet hole (622), the joints are respectively tubular in shape,
and the first exhaust joint (51) is inserted in the third water inlet joint (43) along the length direction of the third water inlet joint (43), a third water inlet ring channel (403) is formed between the outer circumferential surface of the first exhaust joint (51) and the inner circumferential surface of the third water inlet joint (43), the two ends of the third water inlet ring channel (403) are respectively a first water guide interface (403a) and a second water guide interface (403b), wherein the first water guide interface (403a) is communicated with the water inlet (11), one end of the first exhaust joint (51) protrudes out of the third water inlet joint (43) to form a first exhaust interface (511), the third water inlet ring channel (403) is at least divided into three parts which are independent from each other along the length direction, wherein the third water inlet ring channel (403) at the end of the first water guide interface (403a) forms a first ring cavity (403c), and the side wall of the first ring cavity (403c) is provided with a second water inlet interface (4031), a third water inlet ring channel (403) at the end of the second water guide interface (403b) forms a second ring cavity (403d), the side wall of the second ring cavity (403d) is respectively provided with a first water outlet interface (4032) and a second water outlet interface (4033), wherein the first water inlet branch (7) is used for communicating the first water outlet interface (4032) and the second water inlet interface (4031), the second water inlet branch (8) is used for communicating the second water outlet interface (4033) and a water return interface (22) of the water tank (2),
the exhaust pipe (54) is inserted into the water inlet pipe (44) along the length direction of the water inlet pipe (44), a water inlet channel (404) is formed between the outer circumferential surface of the exhaust pipe (54) and the inner circumferential surface of the water inlet pipe (44), one end of the water inlet channel (404) is communicated with the second water guide interface (403b), the first exhaust interface (511) is inserted into one end port of the exhaust pipe (54),
the second exhaust joint (52) is inserted into the second water inlet joint (42) along the length direction of the second water inlet joint (42), a second water inlet ring channel (402) is formed between the outer circumferential surface of the second exhaust joint (52) and the inner circumferential surface of the second water inlet joint (42), one end of the second water inlet ring channel (402) is communicated with the other end of the water inlet channel (404), the other end of the second water inlet ring channel (402) is communicated with the water outlet hole (622) of the water flowing ring groove (63), two ends of the second exhaust joint (52) are respectively exposed out of the second water inlet joint (42) and are respectively communicated with the port at the other end of the exhaust pipe (54) and the air inlet hole (611) of the condensation cavity (60),
the third exhaust joint (53) is inserted into the first water inlet joint (41) along the length direction of the first water inlet joint (41), a first water inlet loop (401) is formed between the outer circumferential surface of the third exhaust joint (53) and the inner circumferential surface of the first water inlet joint (41), one end of the first water inlet loop (401) is sealed, the other end of the first water inlet loop is communicated with a water inlet hole (621) of the water flowing ring groove (63), a first water inlet interface (4011) used for being communicated with a water outlet interface (21) of the water tank (2) is arranged on the side wall of the first water inlet loop (401), two ends of the third exhaust joint (53) are respectively exposed out of the first water inlet joint (41), one end of the third exhaust joint (53) is communicated with a gas outlet hole (612) of the condensation cavity (60), and the other end of the third exhaust joint is in fluid communication with a gas inlet (30) of the exhaust channel.
4. A low-displacement steam box according to claim 3, wherein the first water inlet branch (7) comprises a first water inlet branch pipe (70), one end of the first water inlet branch pipe (70) is communicated with the first water outlet port (4032), the other end of the first water inlet branch pipe is communicated with the second water inlet port (4031), the water inlet valve (71) is arranged on the first water inlet branch pipe (70), and a water inlet pump (72) is arranged on the first water inlet branch pipe (70).
5. The low-displacement steam box as claimed in claim 4, characterized in that the second water inlet branch (8) comprises a second water inlet branch pipe (80), one end of the second water inlet branch pipe (80) is communicated with the second water outlet connector (4033), the other end of the second water inlet branch pipe is communicated with the water return connector (22) of the water box (2), the water return valve (81) is arranged on the second water inlet branch pipe (80), and a water return pump (82) is arranged on the second water inlet branch pipe (80).
6. The low capacity steam box of claim 5, further comprising a mounting base (9) provided at a rear side of the inner container (1), wherein the inlet valve (71), the inlet pump (72), the return valve (81) and the return pump (82) are respectively provided on the mounting base (9), the inlet valve (71) and the inlet pump (72) are disposed to be opposite to each other in a vertical direction and are communicated with each other through a first connecting pipe (91), and the return valve (81) and the return pump (82) are disposed to be opposite to each other in a vertical direction and are communicated with each other through a second connecting pipe (92).
7. The low-displacement steam box according to any one of claims 3 to 6, further comprising a condensation box (6), wherein the condensation box (6) comprises an inner box body (61) and an outer box body (62) which are nested inside and outside, wherein the inner cavity of the inner box body (61) forms the condensation chamber (60), the water flowing ring groove (63) is formed between the outer side surface of the inner box body (61) and the inner side surface of the outer box body, the air inlet hole (611) and the air outlet hole (612) are respectively formed in the side wall of the inner box body (61), and the upper water inlet hole (621) and the water outlet hole (622) are respectively formed in the side wall of the outer box body.
8. The low-displacement steam box as claimed in claim 7, wherein a water baffle (64) is vertically arranged in the water ring groove (63) between the water inlet hole (621) and the water outlet hole (622), and the water baffle (64) is provided with a water leakage hole (641).
9. The low displacement steam box according to claim 8, wherein the bottom surface of the inner box body (61) is suspended with respect to the inner bottom surface of the outer box body (62), a baffle plate (65) extending along the length or width direction of the inner box body (61) is vertically arranged between the bottom surface of the inner box body (61) and the inner bottom surface of the outer box body (62), and a water guide hole (651) is formed in the baffle plate (65).
10. A low-displacement steam box according to any one of claims 3 to 6, wherein the first exhaust joint (51) and the third water inlet joint (43) are formed as a single piece and are bent pipes arranged up and down, the bent pipes are formed by bending horizontally lower ends into circular arcs and extending vertically upwards, the first annular cavity (403c) extends horizontally, the second water inlet port (4031) extends vertically, the second annular cavity (403d) extends vertically, the first water outlet port (4032) and the second water outlet port (4033) extend horizontally, and the first water outlet port (4032) and the second water outlet port (4033) are arranged oppositely.
11. The low-displacement steam box as claimed in claim 7, further comprising an air deflector (3) and an upper mounting plate (10), wherein the upper mounting plate (10) is arranged above the top surface of the liner (1), the air deflector (3) is horizontally covered on the upper surface of the upper mounting plate (10) to form the exhaust passage, the condensation box (6) is fixed on the upper surface of the air deflector (3),
the first water inlet joint (41) and the third air outlet joint (53) are integrated and are bent pipes, and the height of the first water inlet joint (4011) is higher than that of the condensation box (6) and is positioned at the highest position of the water inlet pipeline (4).
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| CN112089313A (en) * | 2020-09-08 | 2020-12-18 | 南京金燃节能科技有限公司 | Energy-saving kitchen seafood intelligence evaporates cabinet |
| CN112704389A (en) * | 2021-01-28 | 2021-04-27 | 宁波方太厨具有限公司 | Steaming and baking integrated machine |
| CN112716303A (en) * | 2021-01-27 | 2021-04-30 | 宁波方太厨具有限公司 | Steam box and fan rotating speed control method thereof |
| CN112869573A (en) * | 2021-03-01 | 2021-06-01 | 云米互联科技(广东)有限公司 | Water tank mechanism with water retaining structure and steaming and baking oven applying same |
| CN113080692A (en) * | 2021-04-30 | 2021-07-09 | 广东美的厨房电器制造有限公司 | Cooking utensil |
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