CN216166919U

CN216166919U - Steaming oven and sensing detection device thereof

Info

Publication number: CN216166919U
Application number: CN202122637045.8U
Authority: CN
Inventors: 庞博文; 张淼; 陈瑶洋; 熊明洲; 石磊; 刘璐
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-05
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to a steaming oven and a sensing detection device thereof, wherein the sensing detection device comprises: the box body is arranged outside the box body of the steaming and baking box; the box body is provided with an inner cavity, an accommodating cavity is arranged in the box body, the cavity wall of the accommodating cavity is provided with a plurality of through holes, and the accommodating cavity is communicated with the inner cavity through the through holes; the sensor is arranged in the accommodating cavity and used for detecting smell; and the closing plate is movably arranged in the accommodating cavity so as to open and cover the through hole. A steaming oven comprising: a box body having an inner cavity; the sensing detection device is arranged outside the box body, and the accommodating cavity is communicated with the inner cavity through the through hole. According to the steaming and baking box and the sensing detection device thereof, when detection is needed, the closing plate is opened to expose the through hole, and the air flow in the inner cavity of the box body flows into the accommodating cavity through the through hole and is detected by the sensor in the accommodating cavity; when the detection is not needed, the sensor is protected in the box body and the sealed space of the closed plate shape, the sensor is protected, and the service life of the sensor is prolonged.

Description

Steaming oven and sensing detection device thereof

Technical Field

The utility model relates to the technical field of a steam oven, in particular to a steam oven and a sensing detection device thereof.

Background

In the process of using the steaming and baking oven to steam and bake food materials, the food materials can generate volatile gas, a sensor is mostly arranged in the box body of the steaming and baking oven to detect the volatile gas, so that the types and the maturity of the food materials in the box body of the steaming and baking oven can be rapidly known, and the food materials are matched and switched to a proper steaming and baking heating mode. Due to the influence of water vapor and other interfering gases generated in the box body in the steaming and baking process, the accuracy of the sensor in the box body is easy to reduce, and the service life of the sensor is shortened.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a steaming oven and a sensing and detecting device thereof, aiming at the problem that the accuracy of a sensor in a box body is easily affected by water vapor and interfering gas in the box body.

A sensing device for a steaming oven, comprising:

the box body is arranged outside the box body of the steaming and baking box; the box body is provided with an inner cavity, an accommodating cavity is arranged in the box body, the cavity wall of the accommodating cavity is provided with a plurality of through holes, and the accommodating cavity is communicated with the inner cavity through the through holes;

the sensor is arranged in the accommodating cavity and used for detecting smell; and

and the closing plate is movably arranged in the accommodating cavity so as to open and cover the through hole.

When the sensing detection device of the steaming and baking box needs to detect, the closing plate is opened to expose the through hole, and the air flow in the inner cavity of the box body flows into the accommodating cavity through the through hole and is detected by the sensor in the accommodating cavity; when not needing to examine, the closing plate lid closes the through-hole, and the air current of box inner chamber can't be flowed into the holding intracavity by the through-hole, and the sensor is protected in box body and closed plate-shaped's seal space, prevents effectively that the vapor of box inner chamber from producing harmful effects to the sensor, does benefit to the life who protects the sensor and prolong the sensor.

In one embodiment, the closing plate is rotatably connected to the box body, and the closing plate rotates relative to the box body to open or close the through hole.

In one embodiment, the closing plate is connected with the box body through a horizontal rotating shaft and can turn towards the accommodating cavity relative to the box body by taking the horizontal rotating shaft as a shaft.

In one embodiment, the closing plate is connected with the box body through a vertical rotating shaft and can horizontally rotate relative to the box body by taking the vertical rotating shaft as a shaft.

In one embodiment, the air-conditioning box further comprises an air inlet pipe and an air exhaust pipe which are arranged on the top side of the box body at intervals, wherein the air inlet pipe is provided with an air inlet channel, the air exhaust pipe is provided with an air exhaust channel, and the air inlet channel and the air exhaust channel are communicated with the accommodating cavity;

when the air exhaust channel is closed and the air inlet channel is opened, external air is injected into the accommodating cavity through the air inlet channel, and the closing plate rotates to cover the through hole; when the air exhaust channel is opened and the air inlet channel is closed, air is exhausted from the air exhaust channel, and the closing plate rotates to open the through hole.

In one embodiment, the air-suction device further comprises a first control valve and a second control valve, wherein the first control valve is arranged on the air inlet pipe and used for opening and closing the air inlet passage, and the second control valve is arranged on the air suction pipe and used for opening and closing the air suction passage.

In one embodiment, the external gas is an inert gas.

In one embodiment, the number of the sensors is multiple, and each sensor array is arranged on the top side of the accommodating cavity.

In one embodiment, the sensor array further comprises a fixing seat, the fixing seat is fixed on the cavity wall of the accommodating cavity, and each sensor array is arranged on the fixing seat.

A steaming oven, comprising:

a box body having an inner cavity;

the sensing detection device is arranged outside the box body, and the accommodating cavity is communicated with the inner cavity through the through hole.

Above-mentioned steaming and baking oven effectively prevents that the vapor of box inner chamber from producing harmful effects to the sensor, does benefit to the life who protects the sensor and prolong the sensor.

Drawings

FIG. 1 is a schematic view of a steam oven in one embodiment;

FIG. 2 is a schematic view of the sensing device of the steaming oven of FIG. 1 with the closure plate open;

fig. 3 is a schematic view of the sensing device of the steaming oven shown in fig. 1 when the closing plate is closed.

Reference numerals:

10. a sensing detection device of the steaming oven; 20. a box body; 21. an inner cavity; 100. a box body; 101. an accommodating cavity; 102. a through hole; 200. a sensor; 300. a closing plate; 400. an air intake passage; 401. an air inlet pipe; 402. a first control valve; 500. an air extraction channel; 501. an air exhaust pipe; 502. a second control valve.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, a sensing device 10 of a steaming oven in an embodiment includes a box 100, a sensor 200, and a closing plate 300. The box body 100 is arranged outside the box body 20 of the steaming and baking oven, the accommodating cavity 101 is arranged in the box body 100, and the sensor 200 is arranged in the accommodating cavity 101.

The box body 20 has an inner cavity 21, the cavity wall of the accommodating cavity 101 is provided with a plurality of through holes 102, and the accommodating cavity 101 is communicated with the inner cavity 21 through the through holes 102. The closing plate 300 is movably disposed in the accommodating chamber 101 to open and close the through hole 102.

It should be noted that, in the process of using the steaming and baking oven to steam and bake food materials, the food materials generate volatile gas, and a sensor 200 is mostly arranged in the box body 20 of the steaming and baking oven to detect the volatile gas, so as to quickly know the type and maturity of the food materials in the box body 20 of the steaming and baking oven, and thus match and switch to a proper steaming and baking heating mode. Due to the influence of water vapor and other interfering gases generated in the oven 20 during the steaming process, the accuracy of the sensor 200 in the oven 20 is easily reduced and the service life is shortened.

With the above arrangement, as shown in fig. 2, when detection is required, the closing plate 300 is opened to expose the through hole 102, and the airflow in the inner cavity 21 of the box body 20 flows into the accommodating cavity 101 through the through hole 102 and is detected by the sensor 200 in the accommodating cavity 101; as shown in fig. 3, when the detection is not needed, the closing plate 300 covers the through hole 102, the airflow in the inner cavity 21 of the box 20 cannot flow into the accommodating cavity 101 through the through hole 102, and the sensor 200 is protected in the sealed space formed by the box 100 and the closing plate 300, so that the water vapor in the inner cavity 21 of the box 20 is effectively prevented from generating adverse effects on the sensor 200, the sensor 200 is protected, and the service life of the sensor 200 is prolonged.

As shown in fig. 2, the closing plate 300 is rotatably coupled to the case 100, and the closing plate 300 rotates with respect to the case 100 to open or close the through-hole 102.

Through this setting, rotate closing plate 300 and can open or close through-hole 102, the simple operation just is convenient for the user to use, and structural design is simple reasonable.

Specifically, referring to fig. 2, in an embodiment, the closing plate 300 is connected to the box body 100 through a horizontal rotating shaft, and the closing plate 300 can be turned toward the accommodating cavity 101 relative to the box body 100 by using the horizontal rotating shaft as an axis.

It should be noted that turning toward the inside of the accommodating chamber 101 means turning toward the upper side.

In this embodiment, when detection is required, the through hole 102 is exposed towards the upward-turning closing plate 300, and the airflow in the inner cavity 21 of the box body 20 flows into the accommodating cavity 101 through the through hole 102 and is detected by the sensor 200 in the accommodating cavity 101; when detection is not needed, the closing plate 300 is turned downwards to cover the through hole 102, air flow in the inner cavity 21 of the box body 20 cannot flow into the accommodating cavity 101 through the through hole 102, the sensor 200 is protected in the box body 100 and the sealing space of the closing plate 300, water vapor in the inner cavity 21 of the box body 20 is effectively prevented from generating adverse effects on the sensor 200, the sensor 200 is protected, and the service life of the sensor 200 is prolonged.

In another embodiment, referring to fig. 2, the closing plate 300 is connected to the box 100 through a vertical rotation shaft, and the closing plate 300 can rotate horizontally relative to the box 100 by using the vertical rotation shaft as a shaft.

In this embodiment, when detection is required, the horizontal rotating closing plate 300 is exposed out of the through hole 102, and the airflow in the inner cavity 21 of the box body 20 flows into the accommodating cavity 101 through the through hole 102 and is detected by the sensor 200 in the accommodating cavity 101; when detection is not needed, the closing plate 300 horizontally rotates to cover the through hole 102 again, air flow in the inner cavity 21 of the box body 20 cannot flow into the accommodating cavity 101 through the through hole 102, the sensor 200 is protected in the box body 100 and the sealing space of the closing plate 300, water vapor in the inner cavity 21 of the box body 20 is effectively prevented from generating adverse effects on the sensor 200, the sensor 200 is protected, and the service life of the sensor 200 is prolonged.

In other embodiments not shown in fig. 2, the closing plate 300 may also be connected to the casing 100 by means of a spherical hinge, about which the closing plate 300 can rotate with respect to the casing 100.

In the above embodiment, referring to fig. 2, the through hole 102 is circular, the closing plate 300 is also circular, and the area of the closing plate 300 is larger than that of the through hole 102, so that the closing plate 300 can at least completely cover the through hole 102. In other embodiments, the through hole 102 may have a rectangular shape or other shapes, and the sealing plate 300 may have other shapes as long as the area of the sealing plate 300 is enough to cover at least the through hole 102.

In the above embodiment, referring to fig. 2, the through holes 102 are arranged in a rectangular array at intervals. In other embodiments, the plurality of through holes 102 may be spaced in a circular array or other array.

Since the temperature of the air flow in the inner cavity 21 of the box 20 is high after the food material is steamed and baked by the steaming and baking oven, in order to prevent the sealing plate 300 from being scalded by manually rotating, the sealing plate 300 can be driven to rotate relative to the box 100 by controlling the air flow by the air flow, so as to open or close the through hole 102.

In view of the above, in the embodiment shown in fig. 2, the sensing device 10 of the oven further includes an air intake channel 400 and an air exhaust channel 500 communicated with the accommodating cavity 101.

In this embodiment, as shown by the arrow in fig. 3, when the air exhaust channel 500 is closed and the air intake channel 400 is opened, external air is injected into the accommodating cavity 101 through the air intake channel 400, and the closing plate 300 rotates to cover the through hole 102; when the suction passage 500 is opened and the intake passage 400 is closed, as shown by the arrow in fig. 2, suction is applied to the suction passage 500 and the closing plate 300 is rotated to open the through-hole 102.

Here, the external gas is an inert gas such as nitrogen. When the air exhaust passage 500 is closed and the air intake passage 400 is opened, external air is injected into the accommodating cavity 101 through the air intake passage 400, so that the closing plate 300 can rotate to cover the through hole 102, air in the accommodating cavity 101 is exhausted, and the oxygen in the air is prevented from oxidizing the sensor 200.

Wherein different types of sensors 200 require different kinds of inert gas to be injected, the kinds of inert gas depending on the types of sensors 200. The injection amount of the inert gas may be determined by a preset injection time calculated by the gas flow of the inert gas and the volume of the chamber or by a preset injection amount obtained by detecting the content or concentration of the shielding gas in the accommodating chamber 101 by an external detection device.

In the embodiment shown in fig. 2, the sensing and detecting device 10 of the steaming and baking oven includes an air inlet pipe 401 and an air exhaust pipe 501, and the air inlet pipe 401 and the air exhaust pipe 501 are spaced at the top side of the box body 100.

In this embodiment, as shown in fig. 2, an intake passage 400 is opened to an intake pipe 401, and an exhaust passage 500 is opened to an exhaust pipe 501. Air inlet pipe 401 and exhaust tube 501 are both hollow, and one open end of air inlet pipe 401 is connected to the top side of box 100, and the other open end of air inlet pipe 401 is used for connecting external inflator. One open end of the exhaust pipe 501 is connected to the top side of the box 100, and the other open end of the exhaust pipe 501 is used for connecting an external air extractor.

In the present embodiment, as shown in fig. 2, the air inlet pipe 401 is fixedly connected to the case 100 by caulking, and the air outlet pipe is fixedly connected to the case 100 by caulking. In other embodiments, the air inlet pipe 401 and the air outlet pipe can be detachably connected with the box body 100 in a plugging and clamping manner, so that the air inlet pipe 401 and the air outlet pipe can be replaced in time after being damaged, and resource recycling is facilitated.

In this embodiment, the inlet pipe 401 and the outlet pipe are both L-shaped. In other embodiments, the inlet pipe 401 and the outlet pipe may also be in the shape of a circular arc or other irregular shapes. Here, the shapes of the intake pipe 401 and the outlet pipe are not limited.

In the embodiment shown in fig. 2, the sensing device 10 of the steaming and baking oven further includes a first control valve 402 and a second control valve 502, the first control valve 402 is disposed in the air inlet pipe 401 and is used for opening and closing the air inlet passage 400, and the second control valve 502 is disposed in the air exhaust pipe 501 and is used for opening and closing the air exhaust passage 500.

In this embodiment, as shown in FIG. 3, when the bleed passage 500 is closed and the intake passage 400 is open, the second control valve 502 is closed and the first control valve 402 is opened; as shown in FIG. 2, when the bleed passage 500 is open and the intake passage 400 is closed, the second control valve 502 is opened and the first control valve 402 is closed.

In particular embodiments, the first control valve 402 and the second control valve 502 may be mechanical valves or solenoid valves.

As shown in fig. 2 and 3, the number of the sensors 200 is plural, and each sensor 200 is arranged in an array on the top side of the accommodating chamber 101.

Through carrying out the array with each sensor 200 according to specific geometric distribution, can the multi-angle, diversely detect the air current of flow direction holding chamber 101 in, can gather the parameter in different angles and position, be favorable to improving the accuracy and the reliability of testing result.

In the present embodiment, each of the sensors 200 is a gas sensor 200. In other embodiments, each sensor 200 may also be a combination of a gas sensor 200 and a humidity sensor 200, which can detect the humidity while detecting the odor to assist in further determining the airflow flowing into the accommodating chamber 101.

As shown in fig. 1, the sensing and detecting device 10 of the steaming and baking oven further includes a fixing base (not shown), the fixing base is fixed on the cavity wall of the accommodating cavity 101, and each sensor 200 is arranged in the fixing base in an array.

In this embodiment, the holder is rectangular and the sensors 200 are arranged in a rectangular array along the periphery of the holder. In other embodiments, each sensor 200 may also be in the form of a circular array or other array.

In this embodiment, the fixing base is fixedly connected to the cavity wall of the accommodating cavity 101 by riveting. In other embodiments, the fixing seat and the cavity wall of the accommodating cavity 101 can be detachably connected in a screwing mode, a clamping mode and the like, so that the fixing seat can be replaced in time after being damaged, and resource recycling is facilitated.

As shown in fig. 1, the sensing device 10 of the steaming and baking box further includes a controller (not shown), and the controller is electrically connected to the fan, the first control valve 402 and the second control valve 502 in the steaming and baking box.

When the steaming and baking oven starts to work (cook food materials), the second control valve 502 is closed and the first control valve 402 is opened, the air exhaust channel 500 is closed and the air inlet channel 400 is opened, external air is injected into the accommodating cavity 101 through the air inlet channel 400, the closing plate 300 rotates to cover the through hole 102, air flow in the inner cavity 21 of the box body 20 cannot flow into the accommodating cavity 101 through the through hole 102, the sensor 200 is protected in the sealed space formed by the box body 100 and the closing plate 300, and the water vapor in the inner cavity 21 of the box body 20 is effectively prevented from generating adverse effects on the sensor 200;

along with the cooking, under the influence of a fan in the steaming oven, the water vapor in the steaming oven can be reduced, when the water vapor content in the steaming oven is reduced, the second control valve 502 is opened and the first control valve 402 is closed, the air exhaust channel 500 is opened and the air inlet channel 400 is closed, air is exhausted from the air exhaust channel 500, the closing plate 300 rotates to open the through hole 102, and the air flow in the inner cavity 21 of the box body 20 flows into the accommodating cavity 101 through the through hole 102 and is detected by the sensor 200 in the accommodating cavity 101;

when the detection is not needed or the steaming oven is not used for a long time, the second control valve 502 is closed and the first control valve 402 is opened, the air exhaust channel 500 is closed and the air inlet channel 400 is opened, external air is injected into the accommodating cavity 101 through the air inlet channel 400, the closing plate 300 rotates to cover the through hole 102, air flow in the inner cavity 21 of the box body 20 cannot flow into the accommodating cavity 101 through the through hole 102, and the sensor 200 is protected in the sealed space formed by the box body 100 and the closing plate 300.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A sensing detection device of a steaming oven is characterized by comprising:

the sensor is arranged in the accommodating cavity; and

2. The steaming oven sensing device as claimed in claim 1, wherein the closing plate is rotatably connected to the casing, and the closing plate rotates relative to the casing to open or close the through hole.

3. The sensing device of claim 2, wherein the sealing plate is connected to the box body via a horizontal rotating shaft, and can be turned over relative to the box body toward the accommodating cavity by using the horizontal rotating shaft as a shaft.

4. The sensing device of the steaming oven according to claim 2, wherein the closing plate is connected to the box body by a vertical rotation shaft and can horizontally rotate relative to the box body with the vertical rotation shaft as an axis.

5. The sensing and detecting device of the steaming and baking oven as claimed in claim 2, further comprising an air inlet pipe and an air exhaust pipe which are arranged at the top side of the box body at intervals, wherein the air inlet pipe is provided with an air inlet channel, the air exhaust pipe is provided with the air exhaust channel, and the air inlet channel and the air exhaust channel are communicated with the accommodating cavity;

6. The sensing device of claim 5, further comprising a first control valve and a second control valve, wherein the first control valve is disposed in the air inlet pipe and used for opening and closing the air inlet channel, and the second control valve is disposed in the air exhaust pipe and used for opening and closing the air exhaust channel.

7. The steaming oven sensing apparatus of claim 5, wherein the external gas is an inert gas.

8. The sensing device of claim 1, wherein the number of the sensors is plural, and each sensor array is disposed on a top side of the receiving cavity.

9. The sensing and detecting device of the steaming and baking oven of claim 8, further comprising a fixing seat, wherein the fixing seat is fixed on the cavity wall of the accommodating cavity, and each sensor array is arranged on the fixing seat.

10. A steaming oven, comprising:

a box body having an inner cavity;

a sensing device according to any one of claims 1 to 9, disposed outside the housing, the receiving chamber being in communication with the inner chamber via the through-hole.