CN110973984A - Pressure relief structure, pressure relief control system and steam stove - Google Patents

Pressure relief structure, pressure relief control system and steam stove Download PDF

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Publication number
CN110973984A
CN110973984A CN201911285851.4A CN201911285851A CN110973984A CN 110973984 A CN110973984 A CN 110973984A CN 201911285851 A CN201911285851 A CN 201911285851A CN 110973984 A CN110973984 A CN 110973984A
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CN
China
Prior art keywords
pressure relief
air
cavity
heat dissipation
air outlet
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Granted
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CN201911285851.4A
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Chinese (zh)
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CN110973984B (en
Inventor
李�杰
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Priority to CN201911285851.4A priority Critical patent/CN110973984B/en
Publication of CN110973984A publication Critical patent/CN110973984A/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/04Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/38Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J2202/00Devices having temperature indicating means

Abstract

The invention discloses a pressure relief structure, and discloses a pressure relief control system and a steam oven with the pressure relief structure, wherein the pressure relief structure comprises: the shaft rod is provided with a sealing part and a pressure relief part, the sealing part is arranged to seal the air outlet of the steam furnace, and the pressure relief part is arranged to form a gap with the air outlet; and the driving mechanism drives the shaft lever to rotate, so that the sealing part or the pressure relief part rotates to the air outlet. Through controlling the action of the driving mechanism, the shaft lever is driven to rotate, so that the sealing part or the pressure relief part rotates to the air outlet, the action of sealing or pressure relief is achieved, and more accurate control is realized.

Description

Pressure relief structure, pressure relief control system and steam stove
Technical Field
The invention relates to the technical field of household appliances, in particular to a pressure relief structure, a pressure relief control system and a steam oven.
Background
In the steam stove product, the heater continuously generates steam to heat food placed in the cavity, when the steam in the cavity reaches a certain pressure, the pressure needs to be relieved, the medium pressure in the steam stove is ensured to be below a set pressure, and accidents are prevented. The existing steam oven has two pressure relief modes, one is a direct discharge mode (such as a partial desktop steam oven), and the other is a mode of closing a pressure relief opening through a spring, and when the pressure of a cavity reaches a rated pressure, gas overcomes the spring force to realize pressure relief. The two pressure relief modes can not accurately control the pressure relief action.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a pressure relief structure which can control the pressure relief action more accurately.
The invention also provides a pressure relief control system with the pressure relief structure.
The invention also provides a steam oven with the pressure relief structure.
Meanwhile, the invention also provides a steam oven with the pressure relief control system.
The pressure relief structure according to an embodiment of the first aspect of the invention, for a steam oven, includes: the shaft rod is provided with a sealing part and a pressure relief part, the sealing part is arranged to seal the air outlet of the steam furnace, and the pressure relief part is arranged to form a gap with the air outlet; and the driving mechanism drives the shaft lever to rotate, so that the sealing part or the pressure relief part rotates to the air outlet.
According to the pressure relief structure provided by the embodiment of the invention, at least the following beneficial effects are achieved: through controlling the action of the driving mechanism, the shaft lever is driven to rotate, so that the sealing part or the pressure relief part rotates to the air outlet, the action of sealing or pressure relief is achieved, and more accurate control is realized.
According to some embodiments of the invention, the shaft comprises a connecting rod and a first protrusion arranged on the connecting rod, the connecting rod is connected with the driving mechanism, and a side of the first protrusion facing away from the connecting rod is arranged as an arc surface, and the arc surface constitutes the sealing portion.
According to a second aspect of the present invention, an embodiment of the pressure relief control system comprises: the pressure relief structure; a first detecting device for detecting a rotational position of the sealing portion or the pressure relief portion; and the controller is electrically connected with the driving mechanism and the first detection device and is used for receiving the signal transmitted by the first detection device and controlling the driving mechanism to act.
The pressure relief control system provided by the embodiment of the invention at least has the following beneficial effects: the driving mechanism is controlled to drive the shaft lever to rotate according to the indication of the controller, so that the action of sealing or pressure relief is achieved; the first detection device monitors the sealing or pressure relief action of the shaft rod and can synchronously feed back the sealing or pressure relief action to the controller, so that the sealing or pressure relief action can be accurately controlled.
According to some embodiments of the present invention, the first detecting device is a micro switch, and the shaft rod is provided with a second protrusion, so that the second protrusion activates the micro switch when sealing is performed, or activates the micro switch when pressure relief is performed.
According to some embodiments of the invention, the steam oven further comprises a second detection device for detecting the cavity temperature of the steam oven, the second detection device being electrically connected with the controller.
According to some embodiments of the invention, the steam oven further comprises a third detection device for detecting the cavity pressure of the steam oven, the third detection device being electrically connected with the controller.
A steam oven according to an embodiment of a third aspect of the present invention, includes a cavity; the air outlet is communicated with the cavity; the pressure relief structure is provided.
The steam oven provided by the embodiment of the invention at least has the following beneficial effects: through controlling the action of the driving mechanism, the shaft lever is driven to rotate, so that the sealing part or the pressure relief part rotates to the air outlet, the action of sealing or pressure relief is achieved, and more accurate control is realized.
According to some embodiments of the invention, the gas-guide tube further comprises a gas-guide tube, the gas-guide tube is provided with a gas inlet end and a gas outlet end, the gas inlet end is communicated with the cavity, the gas outlet is arranged on the gas outlet end, the gas inlet end is positioned on the side wall of the cavity, and the bottom of the cavity is provided with a heating device.
According to some embodiments of the invention, the heat dissipation device further comprises a heat dissipation assembly and an air guide tube, wherein the air guide tube is provided with an air inlet end and an air outlet end, the air inlet end is communicated with the cavity, the air outlet is arranged on the air outlet end, the heat dissipation assembly comprises a heat dissipation fan and a heat dissipation air duct, and the air outlet end is communicated with the heat dissipation air duct.
According to some embodiments of the present invention, the heat dissipation assembly further includes an upper air deflector and a lower air deflector, the heat dissipation air duct is formed between the upper air deflector and the lower air deflector, and the lower air deflector is provided with a water receiving tank located below the air outlet end.
A steam oven according to an embodiment of a fourth aspect of the present invention, includes a cavity; the air outlet is communicated with the cavity; the pressure relief control system is described above.
The steam oven provided by the embodiment of the invention at least has the following beneficial effects: the driving mechanism is controlled to drive the shaft lever to rotate according to the indication of the controller, so that the action of sealing or pressure relief is achieved; the first detection device monitors the sealing or pressure relief action of the shaft rod and can synchronously feed back the sealing or pressure relief action to the controller, so that the sealing or pressure relief action can be accurately controlled.
According to some embodiments of the invention, the gas-guide tube further comprises a gas-guide tube, the gas-guide tube is provided with a gas inlet end and a gas outlet end, the gas inlet end is communicated with the cavity, the gas outlet is arranged on the gas outlet end, the gas inlet end is positioned on the side wall of the cavity, and the bottom of the cavity is provided with a heating device.
According to some embodiments of the invention, the heat dissipation device further comprises a heat dissipation assembly and an air guide tube, wherein the air guide tube is provided with an air inlet end and an air outlet end, the air inlet end is communicated with the cavity, the air outlet is arranged on the air outlet end, the heat dissipation assembly comprises a heat dissipation fan and a heat dissipation air duct, and the air outlet end is communicated with the heat dissipation air duct.
According to some embodiments of the present invention, the heat dissipation assembly further includes an upper air deflector and a lower air deflector, the heat dissipation air duct is formed between the upper air deflector and the lower air deflector, and the lower air deflector is provided with a water receiving tank located below the air outlet end.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a steam oven according to an embodiment of the present invention;
fig. 2 is a sectional view a-a of the steam oven shown in fig. 1 in a sealed state;
FIG. 3 is a sectional view A-A of the steam oven shown in FIG. 1 in a pressure let-down state;
FIG. 4 is an exploded view of a steam oven according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a pressure relief control system according to an embodiment of the invention.
Reference numerals: a steam oven 100; a box 101; an airway tube 102; a drive mechanism 103;
a cavity 201; a shaft 202; a sealing portion 203; a relief portion 204; a heat dissipation fan 205; a heat dissipation air duct 206; an upper air deflector 207; a lower air deflector 208; a water receiving tank 209; an air intake end 210; an air outlet end 211;
a microswitch 401; a support 402; a second protrusion 403; a tube body 404; a pipe joint 405;
a connecting rod 501; a first protrusion 502.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1-3, in some embodiments, the steam oven 100 includes a cabinet 101, a cavity 201 disposed within the cabinet 101, an air duct 102, and a pressure relief structure. The cavity 201 is used for placing food therein, and the heater of the steam oven 100 continuously generates steam to heat the food placed in the cavity 201. The air duct 102 is provided with an air inlet end 210 and an air outlet end 211, the air inlet end 210 is communicated with the cavity 201, and the air outlet of the steam oven 100 is arranged at the air outlet end 211 of the air duct 102. The high-pressure gas in the cavity 201 is exhausted out of the cavity 201 through the gas outlet end 211 of the gas guide tube 102, so that the medium pressure in the cavity 201 of the steam oven 100 is ensured to be below the set pressure. The pressure relief structure comprises a shaft rod 202 and a driving mechanism 103, the shaft rod 202 is provided with a sealing part 203 and a pressure relief part 204, the sealing part 203 is arranged to be capable of sealing the air outlet of the steam oven 100, namely, the sealing part 203 is in contact with the air outlet end 211 of the air guide tube 102 and seals the air outlet end 211 of the air guide tube 102, and therefore air in the cavity 201 is prevented from leaking. The pressure relief portion 204 is disposed to have a gap with the gas outlet end 211, that is, the pressure relief portion 204 is not in contact with the gas outlet end 211, or although the pressure relief portion 204 is in contact with the gas outlet end 211, the pressure relief portion 204 and the gas outlet end 211 still have an outlet for exhaust gas. The driving mechanism 103 drives the shaft 202 to rotate, so that the sealing portion 203 or the pressure relief portion 204 rotates to the air outlet end 211, and the air outlet end 211 of the air duct 102 is sealed or pressure relieved. The driving mechanism 103 refers to a power device in a broad sense, such as a motor and a rotary cylinder. It should be noted that in some embodiments, the steam oven 100 does not include the gas duct 102, and the gas outlet is directly disposed on the cavity 201.
In the above embodiment, referring to fig. 2, when the steam oven 100 is in a sealed state, the driving mechanism 103 drives the shaft 202 to rotate, so that the sealing portion 203 rotates to the air outlet end 211, the sealing portion 203 contacts with the air outlet end 211 of the air duct 102 and seals the air outlet end 211, so that the gas in the cavity 201 is retained in the cavity 201, and sealing is achieved.
In the above embodiment, referring to fig. 3, when the steam oven 100 is in a pressure relief state, the driving mechanism 103 drives the shaft rod 202 to rotate, so that the pressure relief portion 204 rotates to the air outlet end 211, the pressure relief portion 204 does not contact with the air outlet end 211, a gap exists between the pressure relief portion 204 and the air outlet end 211, and due to the existence of the gap, the air in the cavity 201 is smoothly discharged through the air outlet end 211 of the air guide tube 102, thereby achieving pressure relief.
In the above embodiment, the driving mechanism 103 is controlled to operate to drive the shaft rod 202 to rotate, so that the sealing portion 203 or the pressure relief portion 204 rotates to the air outlet end 211, thereby achieving the sealing or pressure relief operation and realizing more precise control.
Referring to fig. 2, 3 and 5, in some embodiments, the shaft 202 includes a connecting rod 501 and a first protrusion 502 disposed on the connecting rod 501, the connecting rod 501 is connected to the driving mechanism 103, a surface of the first protrusion 502 facing away from the connecting rod 501 is configured as an arc surface, the shaft 202 is located in a virtual cylinder, an axis of the connecting rod 501 coincides with a central axis of the virtual cylinder, the arc surface is formed on a cylindrical surface of the virtual cylinder, the sealing portion 203 is an arc surface, and the pressure relief portion 204 is a portion where a distance from an outer surface of the shaft 202 to the central axis is smaller than a radius of the virtual cylinder. That is, the overlapping portion of the shaft 202 and the cylindrical surface of the virtual cylinder is the sealing portion 203, and the non-overlapping portion of the shaft 202 and the cylindrical surface of the virtual cylinder is the relief portion 204. The shaft rod 202 in the embodiment has a simple structure, is convenient to manufacture, and meanwhile, the sealing part 203 is the arc surface, and the proportion of the sealing part 203 to the pressure relief part 204 can be controlled by designing the circumference ratio of the arc surface section in the virtual cylinder, so that the control is realized. It should be noted that in some embodiments, the shaft 202 may also be a cam structure or an eccentric wheel structure.
In some embodiments, the air inlet 210 is located on a sidewall of the cavity 201, and a heat generating device (not shown) is disposed at a bottom of the cavity 201. When the steam oven 100 is in a sealed state, steam in the air outlet end 211 is condensed to form condensed water, the condensed water flows from the air outlet end 211 to the air inlet end 210 along the air duct 102, and the condensed water continues to flow downwards along the side wall of the cavity 201 because the air inlet end 210 is located on the side wall of the cavity 201, so that the condensed water is prevented from dripping on food. Meanwhile, the bottom of the cavity 201 is provided with a heating tube for carrying out secondary heating evaporation on the reflowed condensed water, so that the cruising ability of the steam is increased.
In some embodiments, referring to fig. 2 and 3, the steam oven 100 further includes a heat dissipation assembly, the heat dissipation assembly includes a heat dissipation fan 205 and a heat dissipation air duct 206, the air outlet end 211 is disposed at the top of the heat dissipation air duct 206, the pressure relief mechanism is disposed at the side of the heat dissipation air duct 206, the air outlet end 211 is communicated with the heat dissipation air duct 206, and the shaft 202 extends into the heat dissipation air duct 206 and cooperates with the air outlet end 211. When steam oven 100 is in the pressure release state, the gas of cavity 201 gets into heat dissipation wind channel 206 through giving vent to anger end 211 and discharges outside steam oven 100 again, because radiator fan 205 accelerates the gas flow rate in heat dissipation wind channel 206, the pressure reduction of the end 211 department of giving vent to anger has increased the pressure differential between the end of giving vent to anger 210 of air duct 102 and the end 211 of giving vent to anger, increases the gas flow rate of air duct 102 for steam oven 100 can realize more quick pressure release. It is understood that in some embodiments, the air outlet 211 may also be disposed at a side of the heat dissipation air duct 206, the pressure relief mechanism is disposed at a top of the heat dissipation air duct 206, the air outlet 211 is communicated with the heat dissipation air duct 206, and the shaft 202 extends into the heat dissipation air duct 206 to cooperate with the air outlet 211.
In some embodiments, referring to fig. 2 to 4, the heat dissipation assembly further includes an upper air deflector 207 and a lower air deflector 208, a heat dissipation air duct 206 is formed between the upper air deflector 207 and the lower air deflector 208, a water receiving groove 209 is disposed on the lower air deflector 208, and the water receiving groove 209 is located below the air outlet 211. Because the gas exhausted from the steam boiler 100 contains steam, condensed water is easily formed at the air outlet end 211 of the air duct 102, and the condensed water may flow out along the heat dissipation air duct 206, which may affect the overall appearance and the normal operation of the steam boiler 100 due to the flow into the steam boiler 100. In this embodiment, the water receiving groove 209 is disposed on the lower air deflector 208, and the water receiving groove 209 is located below the air outlet end 211, so that the condensed water formed at the air outlet end 211 of the air duct 102 can drip into the water receiving groove 209, and the condensed water is prevented from flowing out of the heat dissipation air duct 206.
In some embodiments, referring to fig. 4, the gas-guiding tube 102 includes a tube body 404 and two tube connectors 405, two ends of the tube body 404 are respectively connected to the cavity 201 and the heat-dissipating air duct 206 through the two tube connectors 405, one end of the tube connector 405 is sleeved with the tube body 404, the other end of the tube connector 405 is provided with a step, the tube connector 405 is provided with threads and is connected with a nut, and the step and the nut are respectively crimped on two sides of the cavity 201 or the heat-dissipating air duct. The air duct 102 is detachably connected with the cavity 201 and the heat dissipation air duct 206, so that the air duct can be replaced and cleaned conveniently. The air duct 102 may be made of steel, PP, silica gel, or the like.
In some embodiments, referring to fig. 5, the pressure relief control system comprises the pressure relief structure described above, a microswitch 401 and a controller (not shown); the shaft rod 202 is provided with a second bulge 403, the second bulge 403 is sleeved on the connecting rod 501, when the sealing part 203 seals the air outlet of the steam oven 100, the second bulge 403 triggers the microswitch 401, or when the pressure relief part 204 relieves the pressure of the air outlet of the steam oven 100, the second bulge 403 triggers the microswitch 401, the microswitch 401 transmits a signal to the controller, the controller receives the signal transmitted by the microswitch 401, judges whether the pressure relief structure is in a sealing or pressure relief state, and then the controller controls the driving mechanism 103 to act according to needs. Controlling the driving mechanism 103 to drive the shaft rod 202 to rotate according to the instruction of the controller, thereby achieving the action of sealing or pressure relief; the microswitch 401 monitors the sealing or pressure relief action of the shaft 202 and can feed back to the controller synchronously, thereby achieving the precise control of the sealing or pressure relief. It is understood that in some embodiments, the second protrusion 403 may also be a unitary structure with the connecting rod 501.
It should be noted that, in some embodiments, the switch of the micro switch 401 may also be replaced by an infrared device, and the effect of receiving or shielding infrared rays is achieved through the rotation of the shaft rod 202, so as to feed back to the controller, and determine that the pressure relief structure is in a sealed or pressure relief state.
In some embodiments, referring to fig. 5, the pressure relief control system further includes a support 402, the micro switch 401 and the shaft 202 are connected to the support 402, the support 402 is further installed on the heat dissipation assembly or on the outer wall of the cavity 201, and the positions of the micro switch 401 and the shaft 202 on the support 402 are fixed, so that the positioning of the micro switch 401 and the shaft 202 is facilitated, and the installation and debugging efficiency is improved.
According to some embodiments of the present invention, the pressure relief control system further comprises a second detecting device (not shown) for detecting the temperature of the cavity 201 of the steam oven 100, and the second detecting device is electrically connected to the controller. When the second detection device detects that the temperature in the cavity 201 is too high, the second detection device can transmit a signal to the controller, and the controller controls the driving mechanism 103 to enable the driving mechanism 103 to drive the shaft rod 202 to rotate so as to relieve the pressure. When the second detection device detects that the temperature in the cavity 201 is too low, the second detection device can transmit a signal to the controller, and the controller controls the driving mechanism 103 to enable the driving mechanism 103 to drive the shaft rod 202 to rotate for sealing.
According to some embodiments of the present invention, the pressure relief control system further comprises a third detecting device (not shown) for detecting the pressure in the cavity 201 of the steam oven 100, and the third detecting device is electrically connected to the controller. When the third detection device detects that the pressure in the cavity 201 is too high, the third detection device can transmit a signal to the controller, and the controller controls the driving mechanism 103 to enable the driving mechanism 103 to drive the shaft rod 202 to rotate so as to relieve the pressure. When the third detection device detects that the pressure in the cavity 201 is too low, the third detection device can transmit a signal to the controller, and the controller controls the driving mechanism 103 to enable the driving mechanism 103 to drive the shaft rod 202 to rotate for sealing.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (14)

1. Pressure release structure for steam oven, its characterized in that includes:
the shaft rod is provided with a sealing part and a pressure relief part, the sealing part is arranged to seal the air outlet of the steam furnace, and the pressure relief part is arranged to form a gap with the air outlet;
and the driving mechanism drives the shaft lever to rotate, so that the sealing part or the pressure relief part rotates to the air outlet.
2. The pressure relief structure according to claim 1, wherein the shaft rod includes a connecting rod and a first protrusion disposed on the connecting rod, the connecting rod is connected to the driving mechanism, a side of the first protrusion facing away from the connecting rod is configured as an arc surface, and the arc surface constitutes the sealing portion.
3. Pressure release control system, its characterized in that includes:
the pressure relief structure of any of claims 1 to 2;
a first detecting device for detecting a rotational position of the sealing portion or the pressure relief portion;
and the controller is electrically connected with the driving mechanism and the first detection device and is used for receiving the signal transmitted by the first detection device and controlling the driving mechanism to act.
4. The pressure relief control system according to claim 3, wherein the first detecting device is a micro switch, and the shaft rod is provided with a second protrusion, such that the second protrusion activates the micro switch when sealing is performed, or the second protrusion activates the micro switch when pressure relief is performed.
5. The pressure relief control system according to claim 3, further comprising a second detection device for detecting a cavity temperature of the steam oven, the second detection device being electrically connected to the controller.
6. The pressure relief control system of claim 3, further comprising a third detection device for detecting a cavity pressure of the steam oven, the third detection device being electrically connected to the controller.
7. The steam oven is characterized by comprising
A cavity;
the air outlet is communicated with the cavity;
the pressure relief structure of any of claims 1 to 2.
8. The steam oven of claim 7, further comprising a gas guide tube, wherein the gas guide tube has an inlet end and an outlet end, the inlet end is communicated with the cavity, the outlet end is disposed on the outlet end, the inlet end is located on the side wall of the cavity, and the bottom of the cavity is provided with a heating device.
9. The steam oven of claim 7, further comprising a heat dissipation assembly and an air duct, wherein the air duct has an air inlet end and an air outlet end, the air inlet end is communicated with the cavity, the air outlet is disposed on the air outlet end, the heat dissipation assembly comprises a heat dissipation fan and a heat dissipation air duct, and the air outlet end is communicated with the heat dissipation air duct.
10. The steam oven of claim 9, wherein the heat dissipation assembly further comprises an upper air deflector and a lower air deflector, the upper air deflector and the lower air deflector form the heat dissipation air duct therebetween, and the lower air deflector is provided with a water receiving groove which is located below the air outlet end.
11. The steam oven is characterized by comprising
A cavity;
the air outlet is communicated with the cavity;
the pressure relief control system of any of claims 3 to 6.
12. The steam oven of claim 11, further comprising a gas guide tube, wherein the gas guide tube has an inlet end and an outlet end, the inlet end is communicated with the cavity, the outlet end is disposed on the outlet end, the inlet end is located on the side wall of the cavity, and the bottom of the cavity is provided with a heating device.
13. The steam oven of claim 11, further comprising a heat dissipation assembly and an air duct, wherein the air duct has an air inlet end and an air outlet end, the air inlet end is communicated with the cavity, the air outlet is disposed on the air outlet end, the heat dissipation assembly comprises a heat dissipation fan and a heat dissipation air duct, and the air outlet end is communicated with the heat dissipation air duct.
14. The steam oven of claim 13, wherein the heat dissipation assembly further comprises an upper air deflector and a lower air deflector, the upper air deflector and the lower air deflector form the heat dissipation air duct therebetween, and the lower air deflector is provided with a water receiving groove which is located below the air outlet end.
CN201911285851.4A 2019-12-13 2019-12-13 Pressure relief structure, pressure relief control system and steam stove Active CN110973984B (en)

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