CN112773185A

CN112773185A - Exhaust assembly, cooking device and control method of steam oven

Info

Publication number: CN112773185A
Application number: CN202110293275.9A
Authority: CN
Inventors: 陈荣武; 刘敏; 林章鹏; 陈勇军; 王庚辉; 麦志文
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-05-11

Abstract

The invention provides an exhaust assembly, a cooking device and a control method of a steaming oven, which comprise the following steps: an exhaust pipe having an exhaust port at an end thereof; the guide piece is arranged adjacent to the exhaust port and comprises an opening position far away from the exhaust port and a closing position corresponding to the exhaust port; a seal disposed on the guide adapted to sealingly abut the exhaust port in the closed position; the connecting piece, including power portion and spacing portion, spacing portion sets up sealing member week side is suitable for under the effect of power portion, the drive the sealing member is in open the position with the motion between the closed position. Through the position selection of the open position or the closed position of sealing member on the guide, whether can realize carrying out effective control through exhausting to the device internal pressure who installs exhaust subassembly, when the device is cooking devices such as steaming oven, can overcome among the prior art to the inside high pressure environment that can't provide of steaming oven, and then influence the defect of food curing degree.

Description

Exhaust assembly, cooking device and control method of steam oven

Technical Field

The invention relates to the technical field of household appliances, in particular to an exhaust assembly, a cooking device and a control method of a steaming and baking oven.

Background

With the improvement of living standard of people, the cooking demand of diet is gradually increased. Nowadays, the steam oven with the steam function not only can realize pure baking of the traditional oven, but also can realize the functions of pure steaming and simultaneous steam baking, and is popular with consumers.

The steam oven mainly generates steam through a steam generator in the process of steaming. The steam generator is influenced by external low air pressure, particularly in a high-altitude area, the low pressure is reduced due to higher altitude, so that the temperature of finally generated steam is reduced, and even food is half-cooked; meanwhile, for some food materials, the texture of the food materials is thick, and the food materials can not be cooked in a preset time often even in non-low-altitude areas such as plains.

Both of these conditions affect the degree of ripeness of the food cooked ultimately and ultimately the user experience.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defect that the high pressure environment cannot be provided inside the steaming oven in the prior art, and further the food cooking degree is affected, so as to provide an exhaust assembly, a cooking device and a cooking method of the steaming oven.

The present invention provides an exhaust assembly comprising: an exhaust pipe having an exhaust port at an end thereof;

the guide piece is arranged adjacent to the exhaust port and comprises an opening position far away from the exhaust port and a closing position corresponding to the exhaust port;

a seal disposed on the guide adapted to sealingly abut the exhaust port in the closed position;

the connecting piece comprises a power part and a limiting part, wherein the limiting part acts on the sealing piece and is suitable for driving the sealing piece to move between the opening position and the closing position under the action of the power part.

The sealing member is spherical and is arranged, and the limiting part is suitable for driving the sealing member to roll along the guide member.

The limiting part comprises a first limiting supporting rod and a second limiting supporting rod which are oppositely arranged, and the first limiting supporting rod and the second limiting supporting rod are suitable for pushing the sealing element to move towards the opening position and the closing position.

The first limiting support rod and the second limiting support rod are provided with abutting pieces, and the abutting pieces are suitable for abutting with the sealing piece under the driving of the power piece.

The abutment piece passes through the center of the seal in the direction of extension of the guide.

The guide piece is provided with a hollow part, the hollow part forms a channel for the sealing piece to move, the opening position and the closing position are respectively arranged on the hollow part, and the sealing piece at the closing position is suitable for plugging the exhaust pipe.

The distance between the first limiting support rod and the second limiting support rod is larger than the diameter of the sealing element, and the sealing element at least located at the closed position is respectively arranged at intervals with the first limiting support rod and the second limiting support rod.

The part of the guide piece corresponding to the opening position is provided with a clamping structure, and at least one part of the clamping structure extends towards the direction of the inner wall of the hollow part.

The clamping structure is an arc-shaped limiting edge, and the diameter of the arc-shaped limiting edge is smaller than that of the sealing element.

The limiting part further comprises a connecting rod which is connected with the power part and is suitable for driving the first limiting supporting rod and the second limiting supporting rod to move.

The inner edge of the guide part is arranged obliquely.

The present invention also provides a cooking apparatus comprising: a cooking cavity provided with an exhaust hole;

the exhaust assembly is arranged on the outer side surface of the cooking cavity, and steam flowing out through the exhaust holes is suitable for entering the exhaust pipe of the exhaust assembly.

The bottom side of the exhaust pipe is provided with external threads which are fixed with the exhaust holes on the cooking cavity in a threaded manner.

The cooking device is a steaming oven.

The embodiment also provides a control method of a steam oven, wherein the steam oven comprises a cooking cavity, the cooking cavity is provided with an exhaust hole, and the method comprises the following steps:

acquiring the internal temperature of the cooking cavity;

judging the magnitude between the internal temperature and a first preset temperature;

and when the internal temperature is lower than the first preset temperature, controlling the exhaust hole to be closed.

The control method of the steaming oven further comprises the following steps: and when the internal temperature rises to a second preset temperature, controlling the exhaust hole to be opened, wherein the first preset temperature is lower than the second preset temperature.

The technical scheme of the invention has the following advantages:

1. the present invention provides an exhaust assembly comprising: an exhaust pipe having an exhaust port at an end thereof; the guide piece is arranged adjacent to the exhaust port and comprises an opening position far away from the exhaust port and a closing position corresponding to the exhaust port; a seal disposed on the guide adapted to sealingly abut the exhaust port in the closed position; the connecting piece comprises a power part and a limiting part, wherein the limiting part acts on the sealing piece and is suitable for driving the sealing piece to move between the opening position and the closing position under the action of the power part.

Through set up the guide on the gas vent, can control opening of power portion as required and stopping, because spacing portion is under the effect of power portion, can drive the sealing member and follow the guide motion, position selection through the sealing member open position or closed position on the guide, can realize sealing the gas vent or opening the function selection of gas vent, and then whether effective control is carried out through exhausting to the device internal pressure that installs exhaust subassembly, when the device is cooking devices such as steam oven, can overcome the high pressure environment that can't provide inside the steam oven among the prior art, and then influence the defect of food curing degree.

2. According to the exhaust assembly provided by the invention, the sealing element is arranged in a spherical shape, and the limiting part is suitable for driving the sealing element to roll along the guide element.

The sealing member is spherical setting, and the sealing member of being convenient for accomplishes sealedly under the action of gravity at closed position and gas vent butt on the one hand, and on the other hand, the setting of spherical sealing member is convenient for move on the guide, reduces the required energy of power part drive, and is more energy-conserving, in addition, sets up the motion more smooth like this, avoids appearing the circumstances such as card is dead, reduces the fault rate, promotes the life of subassembly.

3. According to the exhaust assembly provided by the invention, the first limiting support rod and the second limiting support rod are provided with the abutting pieces, and the abutting pieces are suitable for abutting with the sealing element under the driving of the power element.

The contact area between each spacing branch and the guide has been improved in setting up of butt piece for spacing portion can effectively drive the removal of guide, avoids the emergence of phenomenons such as slippage or skew.

4. According to the exhaust assembly provided by the invention, the abutting sheet passes through the spherical center of the sealing element along the extending direction of the guide element.

The butt piece sets up on two spacing branch, the butt piece crosses the centre of a circle along guide extension direction, set up the one side like this, can accurate drive spacing sealing member, when avoiding the sealing member from the guide landing, the drive efficiency of butt piece to the sealing member has been improved, on the other hand, the butt piece that sets up like this and two spacing branch branches that are equipped with the butt piece are divided and are put in the both sides of sealing member, when the pressure value of gas vent is greater than the gravity of sealing member, the displacement along exhaust direction can take place to realize exhaust pressure release for the sealing member, avoid connecting the device internal pressure of gas vent too big, the device's security has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of an exhaust assembly provided in an embodiment of the present invention;

FIG. 2 is a front view of the exhaust assembly shown in FIG. 1;

FIG. 3 is a cross-sectional schematic view of the exhaust assembly shown in FIG. 1;

FIG. 4 is a schematic top view of the exhaust assembly shown in FIG. 1; (ii) a

Fig. 5 is a partial structural schematic view of a cooking apparatus provided in an embodiment of the present invention;

FIG. 6 is an enlarged view of the portion A of the cooking device shown in FIG. 5;

fig. 7 is a schematic perspective view of a cooking apparatus according to an embodiment of the present invention;

description of reference numerals:

1-an exhaust pipe; 11-an exhaust port; 12-a sealing ring; 2-a guide; 21-open position; 22-closed position; 3-a seal; 4-a power element; 5-a limiting part; 51-a contact piece; 52-a connecting rod; 6-frame body; 61-a carrier; 7-a cooking cavity; 71-an exhaust hole; 72-Top plate stop.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1 to 6, the present embodiment provides an exhaust assembly including: exhaust pipe 1, guide 2, seal 3 and connector.

Wherein the exhaust pipe 1 is arranged vertically upward, and a circular exhaust port 11 is provided at the top end thereof, as a changeable embodiment, the opening direction and shape of the exhaust port 11 may be adjusted as required, such as extending in an obliquely upward direction or being provided in a square mouth shape. The guide 2 is disposed adjacent to the exhaust port 11, and includes an open position 21 disposed away from the exhaust port 11 and a closed position 22 disposed corresponding to the exhaust port 11. The seal 3 is arranged on the guide 2 and can be brought into sealing abutment with the exhaust port 11 in the closed position 22. The connecting piece comprises a power piece 4 and a limiting part 5, wherein the limiting part 5 is arranged on the peripheral side of the sealing piece 3 and can drive the sealing piece 3 to move between an opening position 21 and a closing position 22 under the action of the power piece 4.

Through set up guide 2 on gas vent 11, can control opening of power spare 4 as required and stop, because spacing portion 5 is under the effect of power spare 4, can drive sealing member 3 along the motion of guide 2, through the position selection of sealing member 3 open position 21 or closed position 22 on guide 2, can realize closing gas vent 11 or opening the function selection of gas vent 11, and then carry out effective control through exhausting to the inside pressure of the device of installing exhaust subassembly, when the device is cooking devices such as steaming oven, can overcome among the prior art to the defect of the inside unable high pressure environment that provides of steaming oven.

The limiting part 5 comprises a limiting frame and a connecting rod 52, the limiting frame is arranged on the periphery of the sealing element 3 and can limit the sealing element 3; the connecting rod 52 connects the stopper frame and the power member 4, and is arranged in parallel with the guide member 2 in the length direction. Furthermore, the limiting frame covers the periphery of the sealing element 3, and can be arranged at intervals of the sealing element 3 in a cage shape or a fork shape, and can also penetrate through the sealing element 3 or be fixedly connected with the sealing element 3.

In this embodiment, the exhaust port 11 is disposed vertically upward, and the bottom side of the sealing block is disposed to follow the exhaust port 11. The specific shape of the sealing block is not limited, and the sealing block can be a square block, a cylinder, a cone or a composite shape thereof, in this embodiment, preferably, the exhaust port 11 is circular, the sealing element 3 is correspondingly arranged in a spherical shape, and the limiting part is suitable for driving the sealing element to roll along the guide element.

Because the vertical upwards setting of gas vent 11, gas vent 11 sets up to circular, sealing member 3 is spherical setting, the sealing member 3 of being convenient for is at

closed position

22 and 11 butts of gas vent under the action of gravity on the one hand, the completion is sealed, on the other hand, the setting of spherical sealing member 3, be convenient for move on guide 2, reduce the required energy of power part 4 drive, it is more energy-conserving, in addition, it is more smooth to set up the motion like this, avoid appearing the circumstances such as card death, the failure rate is reduced, the service life of promotion subassembly.

Specifically, the limiting frame comprises a first limiting supporting rod and a second limiting supporting rod which are arranged in parallel relatively, the first limiting supporting rod and the second limiting supporting rod are arranged on two sides of the sealing element 3 respectively and are suitable for pushing the sealing element 3 to move towards the opening position 21 and the closing position 22.

The distance between the first limit supporting rod and the second limit supporting rod is larger than the diameter of the sealing element 3, and the sealing element 3 at least at the closing position 22 is arranged at intervals with the first limit supporting rod and the second limit supporting rod respectively, so that the spherical element can be driven to move conveniently.

Be provided with on first spacing branch and the spacing branch of second and be circular shape butt piece 51, butt piece 51 set up the area of contact that has improved between each spacing branch and guide 2 for spacing portion 5 can effectively drive the removal of guide 2, avoids the emergence of phenomenons such as slippage or skew.

The contact piece 51 passes through the center of the seal 3 in the extending direction of the guide 2 and is adapted to contact the seal 3 by the driving of the power member 4.

The butt piece 51 sets up on two spacing branch, the centre of a circle is crossed to butt piece 51 along 2 extending direction of guide, set up the one side like this, can accurate drive spacing sealing member 3, when avoiding sealing member 3 from 2 landing of guide, the drive efficiency of butt piece 51 to sealing member 3 has been improved, on the other hand, the butt piece 51 that sets up like this and two spacing branch that are equipped with butt piece 51 are put in the both sides of sealing member 3, when the pressure value of gas vent 11 is greater than sealing member 3's gravity, the displacement that the exhaust direction can be taken place to follow in sealing member 3 realizes exhaust pressure release, avoid connecting the inside pressure of device of gas vent 11 too big, the security that has improved the device.

Further, the exhaust port 11 is provided with an elastic seal ring 12 along the opening circumferential direction, and the seal member 3 is in sealing contact with the seal ring 12 at the closed position 22.

Specifically, the guide member 2 is provided with a hollow portion, the hollow portion is in a long hole shape and is a channel for moving the sealing member 3, the opening position 21 and the closing position 22 are respectively arranged on the hollow portion, and the sealing member 3 at the closing position 22 is suitable for plugging the exhaust pipe 1. In this embodiment, the projection of the hollow portion along the vertical direction passes through the air outlet 11, and the closed position 22 is correspondingly disposed on the vertical upper side of the air outlet 11, so that the sealing member 3 is driven to the closed position 22 to block the air outlet 11 by gravity.

Furthermore, the guide 2 is provided with an engaging structure at a position corresponding to the opening position 21, and at least a part of the engaging structure extends in a direction away from the inner wall of the guide 2. In a preferred embodiment, the engaging structure is an arc-shaped limiting edge, and the diameter of the arc-shaped limiting edge is smaller than that of the sealing element 3. In addition, the inner edge of the hollow part on the guide piece 2 is obliquely arranged, the inner diameter of the inner edge is gradually increased along the vertical upward direction, and the guide piece is suitable for bearing and limiting the sealing element 3.

In addition, the distance between the first limit strut and the second limit strut is larger than the diameter of the sealing element 3, and the sealing element 3 at least at the closing position 22 is respectively arranged at intervals with the first limit strut and the second limit strut. Set up like this, when guaranteeing that each spacing branch still can drive sealing member 3, also can be when sealing member 3 is located gas vent 11, eliminate sealing member 3 at the ascending resistance of vertical side, make sealing member 3 can take place to follow the displacement of 1 direction of blast pipe under gas pressure, with the partial discharge of high-pressure gas, when guaranteeing culinary art 7 internal pressure, improve the security of whole device.

The exhaust assembly further comprises a frame body 6, a guide part 2 and a bearing frame 61 are arranged on the frame body 6, and a power part 4 is arranged on the bearing frame 61. In this embodiment, the power member 4 is a push rod motor.

The working process is as follows:

the exhaust assembly starts to work, steam or smoke exists in the exhaust pipe 1, the sealing element 3 is located at the closing position 22 on the top side of the exhaust port 11, exhaust of the exhaust pipe 1 is blocked, and the pressure inside the device provided with the exhaust assembly is guaranteed.

Example 2

The present embodiment provides a cooking apparatus including: cooking chamber 7 and above-mentioned exhaust subassembly, are provided with exhaust hole 71 on cooking chamber 7, and the exhaust subassembly sets up in cooking chamber 7 lateral surface. The steam flowing out through the exhaust hole 71 enters the exhaust pipe 1 of the exhaust assembly. The exhaust pipe 1 is provided at the bottom side thereof with external threads to be screw-fastened to the exhaust hole 71 of the cooking chamber 7. As an alternative embodiment, the exhaust hole 71 may not be provided, and the exhaust pipe 1 and the cooking chamber 7 are integrally formed.

The cooking device is a steaming oven. As an alternative embodiment, an oven or a steam box may be used.

As shown in fig. 7, in the present embodiment, a top plate stopper 72 is further disposed at an interval on the upper side of the sealing member 4 along the exhaust direction, and the top plate stopper 72 is a part of the cooking assembly, and can block the movement of the sealing member 4 along the vertical direction to prevent the sealing member from falling off.

Example 3

The embodiment provides a control method of a steam oven, the steam oven comprises a cooking cavity 7, an exhaust hole 71 is arranged on the cooking cavity 7, and the method comprises the following steps: s1, obtaining the internal temperature of the cooking cavity 7; s2, judging the size between the internal temperature and the first preset temperature; and S3, controlling the exhaust hole to be closed when the internal temperature is lower than the first preset temperature. And after the internal temperature rises to a second preset temperature, the exhaust hole is controlled to be opened, and the first preset temperature is lower than the second preset temperature.

Set up like this and avoid cooking 7 interior high temperatures for the temperature guarantees in cooking 7 the floating at the within range of predetermineeing, when guaranteeing that food obtains the intensive heating, avoids food to take place to be burnt and burnt.

The steaming oven can acquire the temperature in the cooking cavity 7 by arranging a temperature sensor, and is electrically connected with the temperature sensor, a power part of the exhaust component, a switch of the steaming oven and the like by arranging a controller such as a single chip microcomputer and the like, so that the steaming oven is controlled and the steps are executed by setting a program. In this embodiment, first temperature of predetermineeing is the culinary art temperature, can be based on different edible materials and external environment and adjust, and the temperature is safe temperature for the second is predetermine, avoids the interior high temperature of oven, can improve the device security after establishing.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. An exhaust assembly, comprising:

an exhaust pipe (1) having an exhaust port (11) provided at an end thereof;

a guide (2) disposed adjacent to the exhaust port (11) and including an open position (21) disposed away from the exhaust port (11) and a closed position (22) disposed corresponding to the exhaust port (11);

a seal (3) arranged on the guide (2) and adapted to be in sealing abutment with the exhaust port (11) in the closed position (22);

the connecting piece comprises a power piece (4) and a limiting part (5), wherein the limiting part (5) acts on the sealing piece (3) and is suitable for driving the sealing piece (3) to move between the opening position (21) and the closing position (22) under the action of the power piece (4).

2. Exhaust assembly according to claim 1, characterized in that the sealing element (3) is arranged spherically, and the limiting portion (5) is adapted to bring the sealing element (3) to roll along the guide (2).

3. An exhaust assembly according to claim 2, characterized in that the limiting portion (5) comprises a first and a second limiting strut arranged opposite each other, which are adapted to urge the sealing member (3) towards the open position (21) and the closed position (22).

4. An exhaust assembly according to claim 3, characterized in that the first and second limit struts are provided with abutment tabs (51) adapted to abut against the sealing element (3) upon actuation of the power element (4).

5. The exhaust assembly according to claim 4, characterized in that the abutment tab (51) passes through the centre of sphere of the seal (3) in the direction of extension of the guide (2).

6. An exhaust assembly according to any of claims 3-5, characterized in that a cutout is provided in the guide (2), said cutout forming a passage for the movement of the sealing element (3), said open position (21) and said closed position (22) being provided in said cutout, respectively, said sealing element (3) in said closed position (22) being adapted to block said exhaust pipe (1).

7. An exhaust assembly according to claim 6, characterized in that the first and second limiting strut spacing is greater than the diameter of the sealing element (3), the sealing element (3) being spaced from the first and second limiting strut respectively at least in the closed position (22).

8. The exhaust assembly according to claim 7, characterized in that the guide (2) is provided with a locking structure at a position corresponding to the opening position (21), and at least a part of the locking structure extends towards the direction of the inner wall of the hollow part.

9. The exhaust assembly according to claim 8, characterized in that the snap-fit structure is an arc-shaped retaining rim having a diameter smaller than the diameter of the sealing element (3).

10. An exhaust assembly according to claim 3, wherein the limiting portion further comprises a connecting rod (52) connected to the power member (4) and adapted to move the first limiting strut and the second limiting strut.

11. An exhaust assembly according to claim 2, characterized in that the inner edge of the guide (2) is arranged obliquely.

12. A cooking device, comprising:

a cooking cavity (7) provided with an exhaust hole (71);

exhaust assembly according to any of claims 1 to 11, arranged on the outer side of the cooking chamber (7), the steam exiting through said exhaust holes (71) being adapted to enter the exhaust duct (1) of said exhaust assembly.

13. Cooking device according to claim 12, characterized in that the exhaust pipe (1) is provided with an external thread on its underside, screwed to an exhaust hole (71) in the cooking chamber (7).

14. The cooking device of claim 13, wherein the cooking device is a steamer.

15. A control method of a steam oven, the steam oven comprises a cooking cavity (7), and an exhaust hole (71) is arranged on the cooking cavity (7), and the method is characterized by comprising the following steps:

acquiring the internal temperature of the cooking cavity;

16. The steaming oven control method of claim 15, further comprising:

and when the internal temperature rises to a second preset temperature, controlling the exhaust hole to be opened, wherein the first preset temperature is lower than the second preset temperature.