CN110604477A - Steam discharge structure - Google Patents
Steam discharge structure Download PDFInfo
- Publication number
- CN110604477A CN110604477A CN201810615563.XA CN201810615563A CN110604477A CN 110604477 A CN110604477 A CN 110604477A CN 201810615563 A CN201810615563 A CN 201810615563A CN 110604477 A CN110604477 A CN 110604477A
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- steam
- air
- outlet
- pressure
- plate
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- 238000009833 condensation Methods 0.000 claims abstract description 57
- 230000005494 condensation Effects 0.000 claims abstract description 57
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 14
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000013589 supplement Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to a steam discharge structure, which comprises a liner with a steam inlet and a steam outlet, and a condensation cavity with an air inlet and an air outlet, wherein the air inlet is communicated with the steam outlet in a fluid manner, and the air outlet is provided with a pressure one-way valve. Compared with the prior art, steam in the inner bag is not directly arranged outside through the exhaust channel, and the steam enters the condensation cavity, the condenser is equivalent to a steam overshoot buffer area of the inner bag, when a small amount of steam in the inner bag is in opposite rush, excessive steam can enter the condensation cavity through the steam outlet, and the balance of the internal pressure and the temperature field of the inner bag is effectively realized. In addition, after steam in the inner bag enters the condensation chamber, only when the internal pressure in the condensation chamber reaches the preset pressure value of the pressure one-way valve (namely the pressure required by the pressure one-way valve is opened), the pressure one-way valve can be opened for exhausting, so that excessive steam can be effectively prevented from being discharged outwards, and excessive heat loss is avoided.
Description
Technical Field
The invention relates to the field of electric steam boxes, in particular to a steam discharging structure.
Background
In recent years, the proportion of the steamed dish system in the diet of people is gradually increased, because the cooking way is more nutritional and healthy, the steamed food is easier to digest and is suitable for the old and children. The steam of the existing electric steam box is generally generated by heating a certain amount of water through heat conduction, and the steam generation mechanism of the existing electric steam box determines that the amount of the steam entering the inner container through the inlet of the inner container is not controllable. At present, the electric steam box generally introduces steam into an exhaust duct directly, and reduces the temperature and the humidity of the steam through mixing with cold air in the exhaust duct. Although the temperature and the humidity of the steam discharged outside the inner container can be reduced through the mode, the steam discharge amount is still large and the heat loss is large because the inner container and the exhaust duct are almost straight. In addition, the outward discharge mode also influences the uniformity of the temperature field of the inner container.
Disclosure of Invention
The invention aims to solve the technical problem of providing a steam discharging structure which is controllable in steam discharging amount and small in influence on temperature field uniformity inside an inner container in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a steam discharge structure comprises a liner with a steam inlet and a steam outlet, and is characterized by further comprising a condensation cavity with a gas inlet and a gas outlet, wherein the gas inlet is communicated with the steam outlet in a fluid mode, and the gas outlet is provided with a pressure one-way valve.
In order to further reduce the outward discharge of steam, the steam discharge structure also comprises an exhaust channel, and the condensation cavity is arranged on the exhaust channel. Can carry out the heat transfer through the cold air in the passageway of airing exhaust like this with the steam in the condensation chamber to realize the steam condensation, continuously reduce the steam pressure in the condensation chamber, make the pressure value in the condensation chamber continuously be less than the pressure check valve's of predetermineeing the pressure value, thereby further reduce the outer row of steam.
The specific arrangement of the condensation cavity in the exhaust channel can have various preferred implementation modes, wherein one preferred implementation mode is that the steam exhaust device further comprises a fan and an air guide cover, the air guide cover comprises an air inlet port and an air outlet port, the fan is arranged at the air inlet port, the air guide cover comprises an air guide plate and a bottom plate which are buckled up and down, the exhaust channel is defined by the air guide plate and the bottom plate, and the condensation cavity is arranged on the top surface of the air guide plate.
Preferably, the air outlet is provided with an air outlet pipe, the air outlet pipe is opposite to the air inlet port, and the pressure one-way valve is arranged on the air outlet of the air outlet pipe.
Preferably, the bottom plate is recessed downward at a position corresponding to the condensation chamber to form a lower exhaust cavity, and at least the air outlet end of the air outlet pipe and the pressure check valve are arranged in the lower exhaust cavity. Therefore, the air flow in the air exhaust channel can stay and swirl in the lower exhaust concave cavity, and further can better exchange heat with the steam exhausted by the pressure one-way valve.
Preferably, the air deflector is provided with a groove protruding upwards, so that an upper exhaust concave cavity is formed on the bottom surface of the condensation cavity. Therefore, the air flow in the exhaust channel can stay in the exhaust upper concave cavity and swirl, and further can better transfer heat with the steam in the condensation cavity.
Further, the exhaust upper concave cavity is opposite to the exhaust lower concave cavity in a staggered mode. Therefore, the air flows respectively staying in the upper exhaust cavity and the lower exhaust cavity form convection, and the condensation effect on steam is further improved.
Preferably, a drainage plate is arranged between the pressure one-way valve and the air inlet port at an interval, an air outlet of the pressure one-way valve is opposite to the drainage plate, and an air flow gap is reserved between the drainage plate and the inner wall of the air guide cover. On one hand, the steam discharged by the pressure one-way valve directly contacts with the drainage plate, and meanwhile, the airflow in the exhaust channel also directly contacts with the drainage plate, so that the primary condensation of the steam discharged by the pressure one-way valve is realized; on the other hand, when the air current in the exhaust channel blows through the drainage plate, a certain negative pressure area is formed on the back surface (namely the surface facing the pressure one-way valve), so that the steam exhausted by the pressure one-way valve and the cold air form a vortex, the steam and the air are fully mixed, the secondary condensation of the steam is realized, and the outward discharge of the steam is further reduced.
Preferably, the flow guide plate is an arc-shaped plate, the upper end of the flow guide plate and the air guide plate form the air flow gap, the lower end of the flow guide plate is fixed to the bottom plate, and the air outlet of the pressure one-way valve is opposite to the inner concave surface of the flow guide plate.
When the whole machine works normally, the condensation cavity and the inner container form a relatively closed space. If the steam in the condensation chamber is continuously condensed and the steam inlet does not have enough steam supply, the relatively closed space may gradually form a negative pressure space, so that the door body of the electric steam box cannot be opened or other potential safety hazards and other problems are caused. In order to avoid the problems, an air supplementing port is arranged on the inner container, and an air supplementing one-way valve capable of controlling the opening and the closing of the air supplementing port is arranged on the air supplementing port. When forming the negative pressure space in the condenser like this, the tonifying qi check valve is opened, and the outside air supplyes to the condensation chamber in to avoid the emergence of above-mentioned problem, ensure electric steamer's safe handling.
Compared with the prior art, the invention has the advantages that: the condensation chamber passes through air inlet and inner bag fluid intercommunication, and steam in the inner bag is directly not arranged outward through exhaust passage like this, but gets into the condensation chamber, and the condenser is equivalent to a steam overshoot buffer zone of inner bag, and when a small amount of steam was offset in the inner bag, too much steam can get into the condensation chamber through steam outlet, compares with current direct outer mode of arranging, has effectively realized the balance of inner bag internal pressure and temperature field. In addition, be provided with the pressure check valve that can control this gas outlet and open and close on the gas outlet, steam in the inner bag gets into the condensation chamber like this after, only when interior pressure in the condensation chamber reaches the pressure value (that is pressure check valve opens required pressure) that predetermines of pressure check valve, the pressure check valve just can open the exhaust to can effectively avoid too much steam to arrange outward, avoid too much calorific loss.
Drawings
FIG. 1 is a schematic perspective view of a vapor discharge structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;
FIG. 3 is a partial schematic structural view of a steam discharge structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 in another direction;
FIG. 5 is an exploded view of a partial structure in an embodiment of the invention;
FIG. 6 is a cross-sectional view taken along A-A of FIG. 3;
fig. 7 is an enlarged view of portion i of fig. 6.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 7, a steam discharging structure applied to an electric steam box includes an inner container 1, a condensation chamber 2 and an exhaust channel 40.
The exhaust channel 40 is disposed at the top of the inner container 1, and specifically, the steam exhaust structure further includes a fan 3 (a cross-flow fan in this embodiment) and an air guiding cover 4, the air guiding cover 4 includes an air inlet port 401 and an air outlet port 402, and the fan 3 is disposed in the air inlet port 401. Further, the air guiding cover 4 includes an air guiding plate 41 and a bottom plate 42 which are vertically engaged with each other, the air guiding plate 41 is upwardly raised, the bottom plate 42 is flat, and a cavity defined by the air guiding plate 41 and the bottom plate 42 forms the air discharging passage 40.
The inner wall of the inner container 1 is respectively provided with a steam inlet 11 and a steam outlet 12, and the wall of the condensation chamber 2 is respectively provided with an air inlet 21, an air outlet 22, an air supplement port 23 and a water outlet 24. Wherein, the steam inlet 11 is communicated with a steam outlet of a steam generator of the electric steam box through a pipeline, so that steam generated by the steam generator can enter the inner container 1. The steam outlet 12 is in fluid communication with the air inlet 21, so that steam in the liner 1 is not directly discharged outside through the exhaust channel 40 and enters the condensation chamber 2, the condensation chamber 2 is equivalent to a steam overshoot buffer area of the liner 1, and when a small amount of steam in the liner 1 is flushed, excessive steam can enter the condensation chamber 2 through the steam outlet 12. The meaning of the above-mentioned steam outlet 12 in fluid communication with the air inlet 21 is as follows: when the liner 1 and the condensation chamber 2 are arranged at a certain distance, they can be communicated through an additional pipe or pipeline (as shown by the dotted line in fig. 2), and when the liner 1 and the condensation chamber 2 are arranged close to each other, the air inlet 21 can also be directly communicated with the liner 1 (not shown). Other fluid connections are synonymous herein and are not described further herein.
The pressure one-way valve 9 (the pressure one-way valve is of a conventional structure) capable of controlling the opening and closing of the air outlet 22 is arranged on the air outlet 22, and therefore after steam in the inner container 1 enters the condensation cavity 2, only when the internal pressure in the condensation cavity 2 reaches the preset pressure value of the pressure one-way valve 9 (namely, the pressure required by the pressure one-way valve 9 is opened), the pressure one-way valve 9 can be opened to exhaust, so that excessive steam can be effectively prevented from being discharged outwards, and excessive heat loss is avoided. Of course, in order to ensure the sealing between the inner container 1 and the door body in the electric steam box, the pressure check valve 9 has a preset pressure value smaller than the sealing force of the door body of the electric steam box.
Further, the condensation chamber 2 is arranged in the exhaust channel 40, so that heat transfer can be carried out between cold air in the exhaust channel 40 and steam in the condensation chamber 2, steam condensation is realized, steam pressure in the condensation chamber 2 is continuously reduced, a pressure value in the condensation chamber 2 is continuously smaller than a preset pressure value of the pressure one-way valve 9, and steam exhaust is further reduced.
Still further, the condensation chamber 2 is disposed on the top surface of the air guiding plate 41 (made of metal), and the air guiding plate 41 is provided with a groove protruding upward, so as to form an upper exhaust cavity 411 on the bottom surface of the condensation chamber 2, meanwhile, the bottom plate 42 is recessed downward at the position corresponding to the condensation chamber 2 to form a lower exhaust cavity 421, the air outlet pipe 221 and the pressure check valve 96 are both disposed in the lower exhaust cavity 421, and the upper exhaust cavity 411 and the lower exhaust cavity 421 are opposite to each other in a staggered manner. Through the design, the outlet air of the fan 3 can respectively reside in the upper exhaust cavity 411 and the lower exhaust cavity 421 and form a vortex, and the air in the upper exhaust cavity 411 and the lower exhaust cavity 421 can form up-down convection, so that the heat transfer with the steam in the condensation cavity 2 can be better realized, the air flow in the air outlet pipe 221 and the gas sprayed out from the pressure one-way valve 9 can be recooled, and the outward discharge of the steam can be further reduced.
In addition, in order to further reduce the outward discharge of steam, in the invention, a flow guide plate 7 is arranged between the pressure one-way valve 9 and the air inlet port 401 at an interval, an air outlet valve port of the pressure one-way valve 9 is opposite to the flow guide plate 7, and an air flow gap 8 is reserved between the flow guide plate 7 and the inner wall of the air guide cover 4. Because the drainage plate 7 is arranged in the exhaust channel 40, on one hand, the steam discharged by the pressure one-way valve 9 directly contacts with the drainage plate 7, and meanwhile, the air flow in the exhaust channel 40 also directly contacts with the drainage plate 7, so that the primary condensation of the steam discharged by the pressure one-way valve 9 is realized; on the other hand, when the air flow in the exhaust channel 40 blows through the flow guide plate 7, a certain negative pressure region is formed on the back surface (i.e. the surface facing the pressure one-way valve 9) of the air flow, so that the steam and the cold air discharged by the pressure one-way valve 9 form a vortex, the steam and the air are fully mixed, the secondary condensation of the steam is realized, and the outward discharge of the steam is further reduced. Preferably, the flow guiding plate 7 is an arc-shaped plate, the upper end of the flow guiding plate and the air guiding plate 41 form the airflow gap 8, the lower end of the flow guiding plate is fixed to the bottom plate 42, and the air outlet valve port of the pressure check valve 9 is opposite to the concave surface of the flow guiding plate 7.
When the whole machine works normally, the condensation cavity 2 and the inner container 1 form a relatively closed space. If the steam in the condensation chamber 2 is continuously condensed and the steam inlet 11 does not have enough steam supply, the relatively closed space may gradually form a negative pressure space, so that the door of the electric steaming box cannot be opened or other safety hazards are caused. Therefore, in this embodiment, the inner container 1 is provided with the air supplement port 23, and the air supplement port 23 is provided with the air supplement one-way valve 6 capable of controlling the opening and closing of the air supplement port 23. When forming the negative pressure space in condensation chamber 2 like this, tonifying qi check valve 6 is opened, and the outside air supplyes to condensation chamber 2 in to avoid the emergence of above-mentioned problem, ensure electric steamer's safe handling.
In addition, the lower part of the condensation chamber 2 is provided with the water outlet 24, and the water outlet 24 can be communicated with the inner container 1 or the steam generator through a water drain pipe (not shown), so that condensed water generated in the condensation chamber 2 can be drained into the inner container 1 or the steam generator, and the recycling of steam is realized.
Claims (10)
1. The utility model provides a steam discharge structure, includes inner bag (1) that has steam inlet (11) and steam outlet (12), its characterized in that still includes condensation chamber (2) that has air inlet (21) and gas outlet (22), and this air inlet (21) and above-mentioned steam outlet (12) fluid intercommunication are provided with pressure check valve (9) that can control this gas outlet (22) and open and close on above-mentioned gas outlet (22).
2. The steam discharging structure of claim 1, further comprising a ventilation channel (40), wherein the condensation chamber (2) is provided on the ventilation channel (40).
3. The steam discharging structure according to claim 2, further comprising a fan (3) and an air guiding cover (4), wherein the air guiding cover (4) comprises an air inlet port (401) and an air outlet port (402), the fan (3) is disposed at the air inlet port (401), the air guiding cover (4) comprises an air guiding plate (41) and a bottom plate (42) which are vertically fastened, the air guiding plate (41) and the bottom plate (42) enclose the air exhausting channel (40), and the condensation chamber (2) is disposed on a top surface of the air guiding plate (41).
4. The steam discharging structure according to claim 3, wherein the outlet (22) is provided with an outlet pipe (221), the outlet pipe (221) is opposite to the inlet port (401), and the pressure check valve (9) is provided at an outlet pipe opening of the outlet pipe (221).
5. The steam discharging structure of claim 4, wherein the bottom plate (42) is recessed downward at a position corresponding to the condensing chamber (2) to form a lower exhaust cavity (421), and at least an outlet nozzle of the outlet pipe (221) and the pressure check valve (9) are disposed in the lower exhaust cavity (421).
6. The steam discharging structure as set forth in claim 5, wherein the air guide plate (41) is provided with a recess protruded upwardly so as to form the upper exhaust cavity (411) on the bottom surface of the condensation chamber (2).
7. The steam discharging structure as set forth in claim 6, wherein said upper exhaust cavity (411) is misaligned with respect to said lower exhaust cavity (421).
8. The steam discharging structure as claimed in any one of claims 4 to 7, wherein a flow guide plate (7) is arranged between the pressure one-way valve (9) and the air inlet port (401) at an interval, an air outlet port of the pressure one-way valve (9) is opposite to the flow guide plate (7), and an air flow gap (8) is reserved between the flow guide plate (7) and the inner wall of the air guiding cover (4).
9. The steam discharging structure of claim 8, wherein the flow guiding plate (7) is an arc-shaped plate, the upper end of the flow guiding plate forms the air flow gap (8) with the air guiding plate (41), the lower end of the flow guiding plate is fixed with the bottom plate (42), and the air outlet valve port of the pressure check valve (96) is opposite to the inner concave surface of the flow guiding plate (7).
10. The steam discharging structure as claimed in any one of claims 1 to 7, wherein the inner container (1) is provided with an air supplementing opening (23), and the air supplementing opening (23) is provided with an air supplementing check valve (6) capable of controlling the opening and closing of the air supplementing opening (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615563.XA CN110604477A (en) | 2018-06-14 | 2018-06-14 | Steam discharge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615563.XA CN110604477A (en) | 2018-06-14 | 2018-06-14 | Steam discharge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110604477A true CN110604477A (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615563.XA Pending CN110604477A (en) | 2018-06-14 | 2018-06-14 | Steam discharge structure |
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| Country | Link |
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| CN (1) | CN110604477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329329A (en) * | 2020-02-28 | 2020-06-26 | 广东美的厨房电器制造有限公司 | Steam discharging system and cooking utensil with same |
| CN113693426A (en) * | 2020-05-20 | 2021-11-26 | 杭州九阳小家电有限公司 | Negative pressure control method of food processor |
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| KR20020008326A (en) * | 2000-07-21 | 2002-01-30 | 서창열 | A steam condenser for a soup bowl for preparing medicines |
| KR20040057770A (en) * | 2002-12-26 | 2004-07-02 | 엘지전자 주식회사 | Steam discharging device for jar |
| CN105105623A (en) * | 2015-09-14 | 2015-12-02 | 广东美的厨房电器制造有限公司 | Steam cooking utensil |
| CN105795951A (en) * | 2016-04-25 | 2016-07-27 | 广东长盈电器有限公司 | Oven steam cooling system |
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| JP2017113045A (en) * | 2015-12-21 | 2017-06-29 | パナソニックＩｐマネジメント株式会社 | Heating cooker |
| CN107912966A (en) * | 2017-11-29 | 2018-04-17 | 杭州德意电器股份有限公司 | A kind of embedded-type electric steam box exhaust system |
| CN207444834U (en) * | 2017-05-03 | 2018-06-05 | 江门市西屋厨房小家电有限公司 | A kind of vented exhaust structure of Steam roaster |
| CN111759184A (en) * | 2019-03-31 | 2020-10-13 | 宁波方太厨具有限公司 | Exhaust structure of steaming cooking equipment |
-
2018
- 2018-06-14 CN CN201810615563.XA patent/CN110604477A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020008326A (en) * | 2000-07-21 | 2002-01-30 | 서창열 | A steam condenser for a soup bowl for preparing medicines |
| KR20040057770A (en) * | 2002-12-26 | 2004-07-02 | 엘지전자 주식회사 | Steam discharging device for jar |
| CN105105623A (en) * | 2015-09-14 | 2015-12-02 | 广东美的厨房电器制造有限公司 | Steam cooking utensil |
| JP2017113045A (en) * | 2015-12-21 | 2017-06-29 | パナソニックＩｐマネジメント株式会社 | Heating cooker |
| CN205923786U (en) * | 2016-04-08 | 2017-02-08 | 宁波博菱电器有限公司 | Electric pressure cooker's steam valve |
| CN105795951A (en) * | 2016-04-25 | 2016-07-27 | 广东长盈电器有限公司 | Oven steam cooling system |
| CN207444834U (en) * | 2017-05-03 | 2018-06-05 | 江门市西屋厨房小家电有限公司 | A kind of vented exhaust structure of Steam roaster |
| CN107912966A (en) * | 2017-11-29 | 2018-04-17 | 杭州德意电器股份有限公司 | A kind of embedded-type electric steam box exhaust system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329329A (en) * | 2020-02-28 | 2020-06-26 | 广东美的厨房电器制造有限公司 | Steam discharging system and cooking utensil with same |
| CN111329329B (en) * | 2020-02-28 | 2021-10-01 | 广东美的厨房电器制造有限公司 | Steam discharging system and cooking utensil with same |
| CN113693426A (en) * | 2020-05-20 | 2021-11-26 | 杭州九阳小家电有限公司 | Negative pressure control method of food processor |
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