CN208876205U - A kind of steam discharge structure - Google Patents

Abstract

The utility model relates to a kind of steam discharge structures, further include the condensation chamber with air inlet and air outlet including the liner with steam inlet and steam (vapor) outlet, and the air inlet and above-mentioned steam (vapor) outlet are in fluid communication, and are provided with pressure check valve on above-mentioned gas outlet.Compared with prior art, steam in liner does not pass through the direct outlet of air exhaust passage, and make to enter in condensation chamber, condenser is equivalent to the steam overshoot buffer area of liner, when a small amount of steam liquidates in liner, excessive steam can be entered in condensation chamber by steam (vapor) outlet, effectively realize the balance of liner internal pressure and thermal field.Furthermore, after steam in liner enters condensation chamber, only when the internal pressure in condensation chamber reaches preset pressure value of pressure check valve (i.e. pressure check valve opens required pressure), pressure check valve could open exhaust, so as to effectively avoid excessive steam outlet, excessive thermal loss is avoided.

Description

A kind of steam discharge structure

Technical field

The utility model relates to electric steam box field more particularly to a kind of steam discharge structures.

Background technique

In recent years, it steams ratio of the style of cooking where in the diet of people to be gradually increased, because boiling cooking method is more sought It supports and health, the food being steamed out is more easier to digest, be suitble to old man and child.The steam of existing electricity steam box generally passes through hot biography It leads a certain amount of water of heating to generate, the mechanism of steam generation, which is determined, enters the quantity of steam of liner not by liner inlet port Controllably.Electricity steam box is usually that steam is introduced directly into exhausting duct at present, is dropped by the mixing with the cold air in exhausting duct The temperature and humidity of low steam.Although the temperature and humidity of the steam of liner outlet can be reduced through the above way, due to Liner and exhausting duct are almost straight-through, therefore steam discharge rate is still larger, and thermal loss is larger.In addition, this kind of outlet side Formula also can the thermal field uniformity to liner impact.

Utility model content

Technical problem to be solved in the utility model be for the prior art and provide a kind of outer discharge capacity of steam it is controllable and Small steam discharge structure is influenced on the thermal field uniformity inside liner.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of steam discharge structure, including tool There is the liner of steam inlet and steam (vapor) outlet, which is characterized in that further include the condensation chamber with air inlet and air outlet, the air inlet Mouth is in fluid communication with above-mentioned steam (vapor) outlet, is provided with pressure check valve on above-mentioned gas outlet.

To be further reduced steam outlet, the steam discharge structure of the utility model further includes air exhaust passage, the condensation Chamber is arranged on the air exhaust passage.So hot biography can be carried out with the steam in condensation chamber by the cold air in air exhaust passage It passs, to realize that steam condenses, the steam pressure in condensation chamber is persistently reduced, so that the pressure value in condensation chamber is continuously less than pressure The preset pressure value of power check valve, to be further reduced the outlet of steam.

Specific setting of the above-mentioned condensation chamber in air exhaust passage can be one of preferred there are many preferred implementation Implementation is, above-mentioned steam discharge device further includes blower and wind scooper, which includes air inlet port and outlet port, Above-mentioned blower is arranged in air inlet port, also, the wind scooper includes the wind deflector and bottom plate fastened up and down, the wind deflector and bottom plate Said exhaust channel is surrounded, above-mentioned condensation chamber is arranged on the top surface of wind deflector.

Preferably, being provided with escape pipe on the gas outlet, the escape pipe is opposite with above-mentioned air inlet port, the pressure Check valve is arranged on the gas outlet of the escape pipe.

Preferably, the bottom plate and above-mentioned condensation chamber corresponding position form the lower cavity of exhaust to lower recess, it is at least the above The outlet side of escape pipe and above-mentioned pressure check valve are arranged under the exhaust in cavity.So as to make the air-flow in air exhaust passage It is resident and is vortexed in cavity under exhaust, and then the steam that can be preferably discharged with pressure check valve carries out heat exchange.

Preferably, the groove to raise upward is provided on the wind deflector, thus the row of being formed on the bottom surface of condensation chamber Cavity on gas.So as to be resident the air-flow in air exhaust passage in being vented upper cavity and be vortexed, so can preferably with condensation Steam in chamber carries out hot transmitting.

Further, cavity is opposite with cavity dislocation under above-mentioned exhaust in the exhaust.So as to make to be reside respectively in exhaust Air-flow under upper cavity and above-mentioned exhaust in cavity forms convection current, further promotes the condensation effect to steam.

Preferably, the pressure check valve and air inlet port are equipped at intervals with drainage plate, the gas outlet of pressure check valve It is opposite with the drainage plate, and there are airflow clearances between the drainage plate and the inner wall of wind scooper.On the one hand, pressure check valve is discharged Steam directly contacted with drainage plate, meanwhile, the air-flow in air exhaust passage is also directly contacted with drainage plate, realize pressure check valve The primary condensation of the steam of discharge；It on the other hand, can be in its back side (i.e. court when the air-flow in air exhaust passage blows over drainage plate To the face of pressure check valve) certain negative pressuren zone is formed, the steam and cold air so as to which pressure check valve is discharged form whirlpool Being sufficiently mixed for stream, realization steam and air, realizes the time condensation of steam, to further reduce the outlet of steam.

Preferably, the drainage plate be arc panel, between the upper end and wind deflector formed said flow gap, lower end with Bottom plate is fixed, and the gas outlet of above-mentioned pressure check valve is opposite with the inner concave of drainage plate.

When complete machine works normally, condensation chamber and liner can form a relatively closed space.If the steaming in condensation chamber Vapour persistently condense and steam inlet do not have enough steam supply when, above-mentioned relatively closed space may gradually form one A negative pressure space, the door body so as to cause electric steam box can not be opened or the problems such as other security risks.To avoid the above problem, It is provided with gas supplementing opening on the liner, the tonifying Qi check valve that can control gas supplementing opening opening and closing is provided on the gas supplementing opening.In this way when When forming negative pressure space in condenser, tonifying Qi check valve is opened, and outside air is supplemented in condensation chamber, to avoid the above problem Generation, ensure the safe handling of electric steam box.

Compared with the prior art, the advantages of the utility model are: condensation chamber is in fluid communication by air inlet and liner, this Steam in sample liner does not pass through the direct outlet of air exhaust passage, but enters in condensation chamber, and condenser is equivalent to one of liner Steam overshoots buffer area, and when a small amount of steam liquidates in liner, excessive steam can be entered in condensation chamber by steam (vapor) outlet, with Existing direct outlet mode is compared, and the balance of liner internal pressure and thermal field is effectively realized.In addition, being arranged on gas outlet After thering is the pressure check valve that can control gas outlet opening and closing, the steam in such liner to enter condensation chamber, only when in condensation chamber Internal pressure reach pressure check valve preset pressure value (i.e. pressure check valve open needed for pressure) when, pressure check valve ability Exhaust is opened, so as to effectively avoid excessive steam outlet, avoids excessive thermal loss.

Detailed description of the invention

Fig. 1 is the schematic perspective view of steam discharge structure in the utility model embodiment；

Fig. 2 is the structural schematic diagram of the other direction of Fig. 1；

Fig. 3 is the partial structural diagram of steam discharge structure in the utility model embodiment；

Fig. 4 is the structural schematic diagram of the other direction of Fig. 3；

Fig. 5 is the exploded view of partial structurtes in the utility model embodiment；

Fig. 6 is cross-sectional view of the Fig. 3 along the direction A-A；

Fig. 7 is the enlarged drawing of I part in Fig. 6.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Fig. 1~7, a kind of steam discharge structure is applied in electric steam box comprising liner 1, condensation chamber 2 and Air exhaust passage 40.

The top of liner 1 is arranged in said exhaust channel 40, and specifically, above-mentioned steam discharge structure further includes blower 3 (being cross flow fan in the present embodiment) and wind scooper 4, the wind scooper 4 include air inlet port 401 and outlet port 402, above-mentioned wind Machine 3 is arranged in air inlet port 401.Further, above-mentioned wind scooper 4 includes the wind deflector 41 and bottom plate 42 fastened up and down, this is led Aerofoil 41 is in upward crowned, and bottom plate 42 is in tabular, and the cavity that the two surrounds forms said exhaust channel 40.

Steam inlet 11 and steam (vapor) outlet 12 are offered on the gallbladder wall of above-mentioned liner 1 respectively, is distinguished in the cavity wall of condensation chamber 2 Offer air inlet 21, gas outlet 22, gas supplementing opening 23 and discharge outlet 24.Wherein, the steam of steam inlet 11 and electric steam box is sent out By pipeline connection, the steam that such steam generator generates can enter in liner 1 venthole of raw device.Steam (vapor) outlet 12 with into Port 21 is in fluid communication, and the steam in such liner 1 does not pass through the direct outlet of air exhaust passage 40, and enters in condensation chamber 2, condensation Chamber 2 is equivalent to the steam overshoot buffer area of liner 1, and when a small amount of steam liquidates in liner 1, excessive steam can pass through steaming Vapor outlet 12 enters in condensation chamber 2.Above-mentioned steam (vapor) outlet 12 and the meaning that air inlet 21 is in fluid communication are as follows: when liner 1 with it is cold When solidifying 2 setting spaced apart of chamber, it can be connected to by additional pipe or pipeline (as shown in dashed line in figure 2), when liner 1 When being closely arranged with condensation chamber 2, air inlet 21 can also directly be connected to (figure omits) with liner 1.Other fluids connect in the application Logical meaning with it is similar herein, repeat no more.

Being provided on above-mentioned gas outlet 22 can control the pressure check valve 9 of the gas outlet 22 opening and closing (pressure check valve is Conventional structure), after the steam in such liner 1 enters condensation chamber 2, only when the internal pressure in condensation chamber 2 reaches pressure check valve 9 Preset pressure value (i.e. pressure check valve 9 opens required pressure) when, pressure check valve 9 could open exhaust, so as to have Effect avoids excessive steam outlet, avoids excessive thermal loss.It certainly, is the sealing for guaranteeing liner 1 and door body in electric steam box, Above-mentioned 9 preset pressure value of pressure check valve is less than the sealing force of electric steam box door body.

Further, above-mentioned condensation chamber 2 is arranged in said exhaust channel 40, can pass through the cold sky in air exhaust passage 40 in this way Steam in gas and condensation chamber 2 carries out hot transmitting, to realize that steam condenses, persistently reduces the steam pressure in condensation chamber 2, makes Preset pressure value of the pressure value in condensation chamber 2 continuously less than pressure check valve 9 is obtained, to be further reduced the outlet of steam.

Further, above-mentioned condensation chamber 2 is arranged on the top surface of wind deflector 41 (for metal material), and on wind deflector 41 Be provided with the groove to raise upward, be vented upper cavity 411 to be formed on the bottom surface of condensation chamber 2, meanwhile, bottom plate 42 with it is upper It states 2 corresponding position of condensation chamber and forms the lower cavity 421 of exhaust to lower recess, above-mentioned escape pipe 221 and above-mentioned pressure check valve 9 are equal It is arranged under the exhaust in cavity 421, and is vented upper cavity 411 and misplaces relatively with cavity 421 under above-mentioned exhaust.By such as Upper design can make the outlet air of blower 3 be resident in cavity 421 in the case where being vented upper cavity 411 and exhaust respectively and form vortex, and And the air for being vented upper cavity 411 and being vented in lower cavity 421 can form convection current up and down, so as to preferably and in condensation chamber 2 Steam carry out hot transmitting, and can in escape pipe 221 air-flow and pressure check valve 9 in the gas that sprays carry out it is cold again But, to further reduce the outlet of steam.

In addition, for the outlet of more in depth reduction steam, in the utility model, pressure check valve 9 and air inlet port 401 are equipped at intervals with drainage plate 7, and the outlet valve port of pressure check valve 9 and the drainage plate 7 are opposite, and the drainage plate 7 and wind-guiding There are airflow clearances 8 between the inner wall of cover 4.Since drainage plate 7 is arranged in air exhaust passage 40, on the one hand, 9 row of pressure check valve Steam out is directly contacted with drainage plate 7, meanwhile, the air-flow in air exhaust passage 40 is also directly contacted with drainage plate 7, realizes pressure The primary condensation for the steam that check valve 9 is discharged；On the other hand, when the air-flow in air exhaust passage 40 blows over drainage plate 7, meeting exists Its back side (i.e. towards the face of pressure check valve 9) forms certain negative pressuren zone, so as to steam that pressure check valve 9 is discharged with Being sufficiently mixed for cold air formation vortex, realization steam and air, realizes the time condensation of steam, steams to further reduce The outlet of vapour.Preferably, drainage plate 7 be arc panel, between the upper end and wind deflector 41 formed said flow gap 8, lower end with Bottom plate 42 is fixed, and the outlet valve port of above-mentioned pressure check valve 9 is opposite with the inner concave of drainage plate 7.

When complete machine works normally, condensation chamber 2 and liner 1 can form a relatively closed space.If in condensation chamber 2 Steam persistently condense and steam inlet 11 without enough steam supply when, above-mentioned relatively closed space may be gradually A negative pressure space is formed, the door body so as to cause electric steam box can not be opened or the problems such as other security risks.Therefore, this reality It applies and is provided with above-mentioned gas supplementing opening 23 on liner 1 described in example, be provided on the gas supplementing opening 23 and can control the gas supplementing opening 23 opening and closing Tonifying Qi check valve 6.In this way when forming negative pressure space in condensation chamber 2, tonifying Qi check valve 6 is opened, and outside air is supplemented to condensation In chamber 2, to avoid the generation of the above problem, the safe handling of electric steam box is ensured.

In addition, offering above-mentioned discharge outlet 24 in the lower of condensation chamber 2, which (can not be shown by drainpipe It is connected to out) with liner 1 or steam generator is connected to, the condensation water energy generated in such condensation chamber 2 discharges into liner 1 or steam generation Device suffers, to realize the recycling and reusing of steam.

Claims (10)

1. a kind of steam discharge structure, including the liner (1) with steam inlet (11) and steam (vapor) outlet (12), feature exists In, it further include the condensation chamber (2) with air inlet (21) and gas outlet (22), the air inlet (21) and above-mentioned steam (vapor) outlet (12) It is in fluid communication, the pressure check valve (9) that can control the gas outlet (22) opening and closing is provided on above-mentioned gas outlet (22).

2. steam discharge structure as described in claim 1, which is characterized in that further include air exhaust passage (40), the condensation chamber (2) it is arranged on the air exhaust passage (40).

3. steam discharge structure as claimed in claim 2, which is characterized in that further include blower (3) and wind scooper (4), this is led Fan housing (4) includes air inlet port (401) and outlet port (402), and above-mentioned blower (3) is arranged at air inlet port (401), and And the wind scooper (4) includes the wind deflector (41) and bottom plate (42) fastened up and down, the wind deflector (41) and bottom plate (42) surround It states air exhaust passage (40), above-mentioned condensation chamber (2) is arranged on the top surface of wind deflector (41).

4. steam discharge structure as claimed in claim 3, which is characterized in that be provided with escape pipe on the gas outlet (22) (221), relatively, the pressure check valve (9) is arranged in the escape pipe for the escape pipe (221) and above-mentioned air inlet port (401) (221) in outlet mouth of pipe.

5. steam discharge structure as claimed in claim 4, which is characterized in that the bottom plate (42) and above-mentioned condensation chamber (2) are right Should place to lower recess form exhaust lower cavity (421), the outlet mouth of pipe of at least the above escape pipe (221) and above-mentioned pressure list It is arranged under the exhaust in cavity (421) to valve (9).

6. steam discharge structure as claimed in claim 5, which is characterized in that be provided with and raise upward on the wind deflector (41) Groove, be vented upper cavity (411) to be formed on the bottom surface of condensation chamber (2).

7. steam discharge structure as claimed in claim 6, which is characterized in that cavity (411) and above-mentioned exhaust in the exhaust Lower cavity (421) dislocation is opposite.

8. such as the described in any item steam discharge structures of claim 4~7, which is characterized in that the pressure check valve (9) with into Wind port (401) is equipped at intervals with drainage plate (7), and the outlet valve port of pressure check valve (9) and the drainage plate (7) relatively, and are somebody's turn to do There are airflow clearance (8) between drainage plate (7) and the inner wall of wind scooper (4).

9. steam discharge structure as claimed in claim 8, which is characterized in that the drainage plate (7) be arc panel, the upper end with Said flow gap (8) are formed between wind deflector (41), lower end and bottom plate (42) are fixed, and above-mentioned pressure check valve (9) goes out Valve port while is opposite with the inner concave of drainage plate (7).

10. steam discharge structure as described in claim 1, which is characterized in that be provided with gas supplementing opening on the liner (1) (23), the tonifying Qi check valve (6) that can control the gas supplementing opening (23) opening and closing is provided on the gas supplementing opening (23).