CN217959696U - Electrical heating cooking device for food materials - Google Patents

Abstract

The utility model discloses an electric heating cooking device for food materials, which is fixedly connected with the bottom of a cooking cup body, the inside of the cooking cup body is a cooking cavity, and a cup mouth at the top of the cooking cup body is connected with a sealing cup cover; the side wall of the upper section of the cooking cup body is provided with a pressure relief hole, the outside of the pressure relief hole is connected with a pressure relief valve, the side wall of the lower section of the cooking cup body is provided with a residual liquid output and reflux liquid hole, the outer hole opening of the residual liquid output and reflux liquid hole is connected with a liquid pipe, the other end of the liquid pipe is connected with a temporary liquid storage tank, the bottom of the temporary liquid storage tank is provided with a liquid outlet and reflux hole communicated liquid pipe, the top of the temporary liquid storage tank is provided with an exhaust hole, and a liquid switch valve is installed on the liquid pipe; a lower reserved liquid chamber is arranged below the residual liquid output and reflux liquid hole; this product lets the intracavity of cooking keep producing certain high-pressure steam through the relief valve, lets eat material infiltration moisture more and go into inside, and efficiency of cooking is higher some, and evaporative moisture loses still less.

Description

Electrical heating cooking device for food materials

Technical Field

The utility model relates to an edible material boiling device of domestic beverage extraction machine especially relates to an electrical heating boiling device who eats material.

Background

The national intellectual property office authorizes the open number: CN111450570A, specification example 4 discloses the following: a herbal extraction device comprises a kettle body, wherein the kettle body comprises a food material solution extraction chamber and a non-sealed aeration solution chamber, the food material solution extraction chamber is used for soaking and distilling food materials in a sealed mode, a solution phase through hole is formed between the bottom of the aeration solution chamber and the food material solution extraction chamber, and solution in the food material solution extraction chamber and solution in the aeration solution chamber are communicated with each other through the solution phase through hole; a food material supporting frame is arranged at the lower section of the food material solution extraction chamber, and a liquid circulation hole is formed in the food material supporting frame; the food material solution extraction chamber comprises a food material chamber and a residual solution continuous heating steam chamber, the food material chamber is arranged above the food material support frame, and the residual solution continuous heating steam chamber is arranged below the food material support frame; the solution phase through hole is formed in the side wall of the food material solution extraction chamber, and the orifice of the solution phase through hole is formed in the steam chamber for continuously heating the residual solution; heating the liquid in the food material solution extraction chamber to generate positive pressure to press the liquid above the orifice of the solution phase through hole to the ventilating solution chamber, keeping the liquid below the orifice of the solution phase through hole in the residual solution to continuously heat the steam chamber, and continuously heating the liquid in the residual solution to generate steam and distill food materials; the food material solution extraction chamber stops heating to generate negative pressure, the solution in the aeration solution chamber is sucked back to the food material solution extraction chamber to supplement the evaporated liquid, and the food material is continuously soaked; the food material is medicinal material or scented tea, coffee or Chinese medicinal decoction pieces; the food material solution extraction chamber and the aeration solution chamber are independent from each other, a short pipe is connected between the food material solution extraction chamber and the aeration solution chamber, and a solution phase through hole is formed in the short pipe;

a longitudinal pipe is longitudinally fixed at an orifice of the solution phase through hole at the bottom in the aeration solution chamber, the top of the longitudinal pipe is slightly higher than the top opening of the aeration solution chamber, a flow guide through hole is formed in the longitudinal pipe, an outer pipe is sleeved on the outer wall of the longitudinal pipe, the top end of the outer pipe is sealed, a liquid flow guide hole is formed between the top of the longitudinal pipe and the inner top of the outer pipe, the outer pipe extends downwards to the bottom in the aeration solution chamber, a flow guide gap is formed between the inner bottom wall of the aeration solution chamber and the bottom of the outer pipe, a liquid flow channel is formed between the longitudinal pipe and the outer pipe, and the aeration solution chamber, the flow guide gap, the liquid flow channel, the liquid flow guide hole, the flow guide through hole, the solution phase through hole and the food material solution extraction chamber are communicated; the short pipe is provided with a switch valve which is normally opened, when the solution of the food material is steamed, the food material is not steamed, and the switch valve is closed to prevent the solution contained in the ventilating solution chamber from flowing backwards.

1. The product is not provided with the pressure release valve, the food can be steamed only under normal pressure when the food is steamed, for steaming some relatively large particles or relatively hard food (traditional Chinese medicinal materials), normal pressure steam is difficult to permeate into the food, the steaming efficiency is low, the steaming time is long, water is continuously evaporated in the steaming process, and more water is needed; 2. the steaming time is long, and volatile nutrient substances (trace elements) are sprayed and diffused along with the steam, so that the nutrient substances (trace elements) are excessively lost; 3. moreover, after the steaming and boiling are finished, the beverage is easy to oxidize when contacting with the outside air, and when the retention time is long, the beverage is deteriorated (discolored), the original nutrients (trace elements) are lost, the taste of the beverage is changed, and the absorption of a human body is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a structural design is reasonable, can evaporate the material of eating, also can boil the electrical heating boiling device who eats the material of eating.

The scheme for solving the technical problems is as follows:

an electric heating cooking device for food materials comprises an electric heating device, a cooking cup body, a sealing cup cover and a pressure release valve, wherein the electric heating device is fixedly connected to the bottom of the cooking cup body; the side wall of the upper section of the cooking cup body or the sealing cup cover is provided with a pressure relief hole, the outside of the pressure relief hole is connected with a pressure relief valve, the side wall of the lower section of the cooking cup body is provided with a residual liquid output and reflux hole, the outer hole opening of the residual liquid output and reflux hole is connected with a liquid pipe, the other end of the liquid pipe is connected with a temporary liquid storage tank, the bottom of the temporary liquid storage tank is provided with a liquid outlet and reflux hole communicated liquid pipe, the top of the temporary liquid storage tank is provided with an exhaust hole, and the liquid pipe is provided with a liquid switch valve; a lower reserved liquid chamber is arranged below the residual liquid output and reflux liquid hole and is also part of the cooking cavity.

The utility model discloses an eat electrical heating boiling device of material does beneficial effect: 1. if the food material is to be steamed, the liquid switch valve is opened, the electric heating device heats water in the steaming cavity to generate vapor pressure, liquid above the residual liquid output and reflux liquid hole is pressed to the temporary liquid storage tank through the residual liquid output and reflux liquid hole, the liquid switch valve and the liquid pipe, and the liquid left in the lower reserved liquid chamber is continuously heated to generate vapor to steam the food material above the liquid storage tank; if the food material is to be cooked, the liquid switch valve is closed, the liquid is enabled to soak the food material, the electric heating device heats water in the cooking cavity to generate vapor pressure, the pressure release valve enables the water in the cooking cavity to generate certain high-pressure vapor, the food material is enabled to permeate water into the interior (particularly Chinese medicinal materials) more easily, the cooking efficiency is higher, and the loss of evaporative water is less; therefore, the dual purposes of steaming and boiling are realized; the steaming and boiling are circulated for a plurality of times at intervals, so that the food material can fully release nutrient elements (nutrient solution); 2. when the food is cooked, the pressure release valve is connected and communicated with the temporary liquid storage tank through the pressure release pipe, certain moisture can be sprayed out by the pressure release valve when steam is sprayed, the moisture also carries volatile food materials to release nutrient elements (nutrient solution), and the nutrient elements are essence solution and are recovered through the temporary liquid storage tank; 3. a separation net device is arranged at the lower section of the cooking cavity to prevent large particles from blocking the residual liquid output, the reflux liquid hole and the liquid outlet hole; 4. a water inlet hole is formed above the steaming cup body and is connected with a water inlet switch valve, and water is conveniently added through controlling the water inlet switch valve; 5. the electric heating device comprises a temperature control device and an electric heating plate, the electric heating plate is connected to the inner bottom of the stewing cup body in a sealing mode, the electric heating plate is also a part of the bottom wall of the cup body, and water in the cup is in direct contact with the electric heating plate, so that the heating efficiency is improved. 6. The bottom of the cooking cavity is provided with a liquid outlet hole and connected with a liquid outlet control switch valve, the liquid outlet control switch valve is lower than the liquid outlet hole, and liquid in the cooking cavity can naturally flow out from the direction of the liquid outlet control switch valve at the lower part, so that the drinking liquid is convenient to take.

Drawings

Fig. 1, fig. 2, fig. 3 and fig. 4 are schematic views of the product of the present invention;

FIG. 5 is a perspective view of the steaming cup body of the utility model;

fig. 6 and 7 are sectional views of the steaming cup body of the utility model;

fig. 8 and 9 are perspective views of the steaming cup body of the product of the utility model;

fig. 10 and fig. 11 are sectional views of the steaming cup body of the product of the present invention.

The electric heating device 1, the temperature control device 11, the temperature controller 101, the temperature sensor 102, the electric heating plate 12, the cooking cup body 2, the cooking cavity 21, the lower reserved liquid chamber 211, the upper chamber 212, the sealing cup cover 3, the pressure release valve 4, the pressure release hole 41, the pressure release pipe 411, the residual liquid output and return liquid hole 22, the liquid pipe 23, the liquid switch valve 24, the liquid outlet hole 25, the liquid outlet control switch valve 26, the water inlet hole 27, the water inlet switch valve 28, the electric water pumping device 29, the temporary liquid storage tank 5, the temporary liquid storage cavity 50, the liquid outlet and return hole 51, the exhaust hole 52, the steam inlet hole 53, the separation net device 6 and the food material placing net barrel 7.

Detailed Description

An electric heating cooking device of food materials, the device is only a local device of a household beverage extraction machine, realizes partial functions of the device, belongs to a matching component of the household beverage extraction machine, and comprises an electric heating device 1, a cooking cup body 2, a sealing cup cover 3 and a pressure release valve 4, wherein the cooking cup body 2 is preferably made of stainless steel and is 304 stainless steel at a food level, the electric heating device 1 is fixedly connected to the bottom of the cooking cup body 2, a cooking cavity 21 is formed in the cooking cup body 2, the cooking cavity 21 is cylindrical, the electric heating device 1 is used for heating water and food materials in the cooking cavity 21, and the food materials are flowers, tea, chinese medicinal materials and the like used as beverages; the openable sealing cup cover 3 is connected to the cup opening at the top of the cooking cup body 2, food materials can be put into the cooking cavity 21 when the sealing cup cover 3 is opened, the food materials can be cooked after the sealing cup cover 3 is closed and sealed, the sealing aims at cooking and cooking the food materials, the food materials are prevented from being cooked and cooked, external air is prevented from entering the cooking cavity 21 to oxidize a beverage after the food materials are cooked and converted into the beverage, the beverage is prevented from contacting with the external air as much as possible, the original taste, flavor and fresh mouthfeel of the beverage are kept, nutrient elements of the beverage are prevented from being lost, and certain nutrients are prevented from contacting with the air to be oxidized and deteriorated; a pressure relief hole 41 is formed in the upper section side wall of the cooking cup body 2 or the sealing cup cover 3, a pressure relief valve 4 is connected to the outside of the pressure relief hole 41, the side wall of the cooking cup body 2 or the sealing cup cover 3 can achieve the purpose of pressure relief, vapor pressure can be generated inside the cooking cup body when the cooking material is cooked in a sealing state (similar to the principle of a household pressure cooker), the pressure relief valve 4 is discharged from the direction after the vapor pressure is larger than the set pressure, the pressure relief value of the pressure relief valve 4 is generally set to be 0.1-0.5 kg according to the power, and the vapor pressure inside the cooking cavity 21 is larger than the set pressure relief value, namely the pressure relief; a residual liquid output and reflux hole 22 is formed in the lower-section side wall of the cooking cup body 2 (the residual liquid output and reflux hole 22 is formed in the lower-section side wall of the cooking cup body 2 in a drilling or machine tool punching mode), a liquid pipe 23 is connected to an outer hole of the residual liquid output and reflux hole 22, the liquid pipe 23 is made of a drinking water pipe or a stainless steel pipe, the other end of the liquid pipe 23 is connected with a temporary liquid storage tank 5, a temporary liquid storage cavity 50 is formed inside the temporary liquid storage tank 5, the temporary liquid storage tank 5 is made of plastic or glass or a stainless steel pipe, a liquid outlet and reflux hole 51 is formed in the bottom of the temporary liquid storage tank 5 and communicated with the liquid pipe 23, and an exhaust hole 52 is formed in the top of the temporary liquid storage tank 5 (the exhaust hole 52 is formed in the temporary liquid storage tank 5 through a die machine or a metal processing machine) and is used for exhausting residual steam and hot air pressure during cooking; a liquid switch valve 24 is arranged on the liquid pipe 23; if the manual knob on/off operation is selected, the liquid switch valve 24 is switched on and off by selecting manual hand; if intelligent operation is selected, an electric liquid switch valve 24 is selected, and the controller is used for switching on/off; a lower reserved liquid chamber 211 is arranged below the residual liquid output and reflux liquid hole 22, the height of the lower reserved liquid chamber 211 is 2-5 cm, the lower reserved liquid chamber 211 is also a part of the cooking cavity 21 and is the same cavity, the lower reserved liquid chamber 211 and the cooking cavity 21 are integrally formed, the cooking cup body 2 is made of a stainless steel cylinder, and the lower reserved liquid chamber 211 and the cooking cavity 21 are arranged inside the cooking cup body. The volume of the cooking cavity 21 is 500 ml-2 l; the temporary liquid storage tank 5 is 500 ml to 1.5L;

when food materials need to be steamed, a food material placing net cylinder 7 is placed in the steaming cavity 21, the food material placing net cylinder 7 is detachably hung or supported on the residual liquid output and reflux holes 22, the sealing cup cover 3 is opened firstly, food materials and a proper amount of water are put into the food material placing net cylinder 7, then the sealing cup cover 3 is closed, the liquid switch valve 24 is opened, the electric heating device 1 is electrified to heat so that the water in the steaming cavity 21 rises in temperature and generates vapor pressure, the steaming cavity 21 forms positive pressure, the vapor pressure is increased, when a certain vapor pressure is reached, the liquid on the residual liquid output and reflux holes 22 is pressed to the temporary liquid storage tank 5 through the residual liquid output and reflux holes 22 and the liquid pipe 23 by the vapor pressure for temporary storage, and the residual liquid reserved below 211 is continuously heated and boiled to generate a food material liquid chamber above the vapor steaming; steam generated in the process of steaming the food materials is also output from the directions of the residual liquid output and reflux hole 22, the liquid pipe 23 and the temporary liquid storage tank 5, as the temporary liquid storage tank 5 contains water, the liquid output and reflux hole 51 is arranged at the bottom of the temporary liquid storage tank 5, the water covers the liquid output and reflux hole 51, the water vapor with moisture is mixed with the water in the temporary liquid storage tank 5 to recover volatile nutrient substances (trace elements), and the loss of the volatile food material nutrient substances is reduced as much as possible; the water in the lower reserved liquid chamber 211 does not directly contact the food material placing net cylinder 7, so that the food material can be steamed; after the electric heating device 1 stops heating, the cooking cavity 21 is cooled and cooled, the liquid in the temporary liquid storage tank 5 is sucked back by negative pressure, enters the cooking cavity 21, is mixed with the liquid in the lower reserved liquid chamber 211, and is soaked in the food; generally, the food material steaming time is 1-10 minutes each time, and then the intermittent pause time is 0.5-10 minutes; the cycle can be repeated for a plurality of times;

when the food is steamed, the liquid switch valve 24 is opened, the residual liquid output and return liquid hole 22, the liquid pipe 23, the liquid switch valve 24, the temporary liquid storage tank 5, the liquid outlet and return hole 51 and the exhaust hole 52 are communicated, the internal and external atmospheric pressures are balanced, and the pressure relief valve 4 has limited pressure, so that water and steam only flow to the temporary liquid storage tank 5 from the direction of the liquid pipe 23;

if the product is to cook food materials, the liquid switch valve 24 is closed, the liquid is used for soaking the food materials, the electric heating device 1 is electrified to heat so that the temperature of water in the cooking cavity 21 rises and vapor pressure is generated, the cooking cavity 21 forms positive pressure, the vapor pressure is increased, when certain vapor pressure is reached, certain high-pressure vapor is generated in the cooking cavity 21 through the pressure limiting of the pressure release valve 4, the food materials are enabled to permeate water into the interior (particularly traditional Chinese medicinal materials), and the cooking efficiency is higher; therefore, the dual purposes of steaming and boiling are realized; the steaming and boiling are performed for a plurality of times at intervals, so that the food materials can fully release nutrient elements (nutrient solution);

further: the pressure release valve 4 is a one-way flow pressure release valve 4, the vapor pressure can only be sprayed out from the inside, and when the stewing cup body 2 is cold or at normal temperature, reverse flow air cannot enter the stewing cavity 21 through the pressure release valve 4; under the state that the sealing cup cover 3 is sealed and the liquid switch valve 24 is closed, external air can not enter the cooking cavity 21, the beverage after cooking achieves the effect of preventing oxidation, and the beverage liquid which can not be drunk in time is prevented from going bad (changing color).

Further: the outer side wall of the cup mouth at the top of the cooking cup body 2 is provided with an external thread, the inner side wall with the sealing cup cover 3 is provided with an internal thread and a silica gel sealing ring, the sealing cup cover 3 and the top of the cooking cup body 2 are connected through threads to form sealing connection, and the sealing is opened and closed in a screwing mode.

Further: the sealing cup cover 3 is a plug body with a silica gel sealing ring, the plug body with the silica gel sealing ring is inserted into the top cup opening of the steaming cup body 2 and then forms sealing connection through a tightening buckle, and the sealing cup cover 3 can be opened by opening the tightening buckle.

Further: the pressure relief valve 4 is connected with a pressure relief pipe 411; a steam inlet 53 is arranged on the temporary liquid storage tank 5; the other end of the pressure relief pipe 411 is connected with a steam inlet hole 53 and communicated with the temporary liquid storage tank 5; when the food is cooked, the pressure release valve 4 can spray water vapor together with small water content, and the water vapor sprayed by the small water content is just a part of nutrient solution (stock solution and beverage solution), so that the waste is avoided, the loss is prevented, and the water vapor is recovered through the temporary liquid storage tank 5; after the liquid switch valve 24 is opened, the liquid flows back into the cooking cavity 21 through the liquid pipe 23, the residual liquid output and the liquid return hole 22.

Further: a liquid outlet hole 25 is formed in the bottom of the cooking cavity 21, the liquid outlet hole 25 is used for discharging beverage, an outer hole opening of the liquid outlet hole 25 is connected with a liquid outlet control switch valve 26, and the liquid outlet control switch valve 26 is used for controlling the circulation on/off of the beverage; the liquid outlet control switch valve 26 is lower than the liquid outlet hole 25, after the liquid outlet control switch valve 26 is opened, the beverage liquid in the cooking cavity 21 can naturally flow out from the liquid outlet control switch valve 26 at the lower part, the beverage liquid is easy to flow out, and the beverage liquid is convenient to be connected; when the beverage needs to be drunk after the beverage liquid is cooked, the liquid outlet control switch valve 26 is opened, and the beverage cup is placed in front of and below the liquid outlet control switch valve 26 to be drunk.

If the liquid outlet control switch valve 26 is operated by a manual knob, the liquid switch valve 24 is turned on and off by a manual knob; if intelligent operation is selected, the electric liquid outlet control switch valve 26 is selected, and the switch is operated by a controller of the household beverage extraction machine.

Further: the temporary liquid storage tank 5 is higher than the residual liquid output and reflux hole 22, and the beverage liquid in the temporary liquid storage tank 5 can naturally reflux to the cooking cavity 21 from the liquid pipe 23; the beverage liquid in the high position can naturally flow back to the cooking chamber 21 through the liquid pipe 23, facilitating recovery/return of the beverage liquid.

Further: the lower section of the cooking cavity 21 is provided with a separation net device 6 (the lower section of the cooking cavity 21 is clamped with the separation net device 6 through a convex part, the separation net device 6 is made of stainless steel, the shape of the separation net device 6 is consistent with that of the cooking cavity 21, the separation net device 6 is a separation net plate or a separation net bag, and the like, the thickness of the net plate is 0.2-2 mm), the circumferential edge of the separation net device 6 is fixedly connected with the inner wall of the cooking cavity 21, gaps are prevented from being formed at the edge, and food materials are prevented from falling off from the edge to reserve a liquid chamber 211; the diameter of the mesh of the separation net is 80-250 meshes or 0.5-1.5 mm; the separating net device 6 divides the cooking cavity 21 into a lower reserved liquid chamber 211 and an upper chamber 212, wherein the height of the lower reserved liquid chamber 211 is 2-5 cm, and the height of the upper chamber 212 is 7-20 cm; the food material placing net drum 7 is arranged in the upper-layer chamber 212; the residual liquid output and reflux holes 22 are equal to or slightly lower than the separating net device 6, so that the separating net device 6 isolates food materials, the food materials cannot directly enter the residual liquid output and reflux holes 22, and the residual liquid output and reflux holes 22 are positioned above the lower reserved liquid chamber 211; 1. the separating net device 6 is used for placing the food materials in the upper-layer cavity 212, so that the food materials are prevented from being soaked in water during steaming, volatilization overflow of nutrient substances and trace elements of the food materials is prevented from being influenced, and the nutrient substances and the trace elements of the food materials are volatilized more completely; 2. the food materials are prevented from directly contacting the bottom wall of the cooking cavity 21 and being too close to the heating device, the food materials are prevented from being coked, gelatinized and bonded on the bottom wall of the cooking cavity 21, and the food materials at the bottom are prevented from being excessively cooked and damaging the nutrient substances of the food materials; 3. preventing large particles of food material from blocking the residual liquid outlet and return flow holes 22 or liquid outlet holes 25.

Further: a water inlet hole 27 is arranged above the stewing cup body 2 and communicated with the stewing cavity 21, and a water inlet switch valve 28 is connected outside the water inlet hole 27. The inlet opening 27 is preferably located near the mouth of the cup at an elevated position. Therefore, whether water is added or not can be directly controlled through the water inlet switch valve 28, water is conveniently added, and water is conveniently added in midway. The water inlet switch valve 28 can be directly connected with tap water for use. The water inlet switch valve 28 may be a manual mechanical switch valve or an electric solenoid switch valve. The manual mechanical switch valve controls the on/off of water manually; the electric electromagnetic switch valve is connected with a controller of the household beverage extraction machine through an electric wire and is controlled by operating the controller.

Further: the other end of the water inlet switch valve 28 is connected with an electric water pumping device 29, such as an electric water pump, which is suitable for being connected with barreled water or bottled water for pumping, and the water inlet switch valve 28 matched with the electric water pumping device 29 is a one-way mechanical switch valve (the one-way mechanical switch valve is a one-way valve, which can only feed water and can not flow backwards, and steam can not flow from the direction of the one-way mechanical switch valve (the water inlet switch valve 28) when steaming and boiling food materials).

Further: the electric heating device is an electromagnetic heating device, an electric heating plate heating device, an electric heating tube heating device, a graphene electric heating device, a thick film electric heating device or the like; the electric heating product can be used to realize the heating purpose.

Further: the electric heating device 1 comprises a temperature control device 11 and an electric heating plate 12, wherein the temperature control device 11 is tightly connected to the electric heating plate 12; the electric heating plate 12 is connected to the inner bottom of the stewing cup body 2 in a sealing way, and the electric heating plate 12 is also a part of the cup bottom wall; the electric heating plate 12 is in direct contact with water to quickly heat water in the cup, and steam is generated when the food is steamed. The electric heating panel 12 is also referred to as an electric heating sheet (electric heating sheet).

Further: the circumferential edge of the electric heating plate 12 is welded, sealed and fixed with the inner bottom of the stewing cup body 2, and the electric heating plate is a best sealing connection structure and has good water leakage prevention effect; the temperature control device 11 comprises a temperature controller 101 and a temperature sensor 102, and controls the temperature to achieve double dry burning prevention protection and electricity utilization safety; the temperature controller 101 is tightly connected to the back surface of the electric heating plate 12 through screws and clamps, the temperature controller 101 is used for detecting the temperature of the electric heating plate 12, and automatically fusing and powering off (for example, setting 110 ℃) after the temperature exceeds a set temperature value; the temperature sensor 102 is hermetically connected to the electric heating plate 12, and a probe thereof extends into the lower reserved liquid chamber 211 for detecting the water temperature in the cooking chamber 21.

Further: a liquid outlet hole 25 is arranged at the position of the electric heating plate 12, which is not connected with the electric conductor, and is arranged at the position of the electric conductor for safe electricity utilization, the outer orifice of the liquid outlet hole is connected with a liquid outlet control switch valve 26, and the liquid outlet control switch valve 26 is used for switching on/off the output of the beverage; the liquid outlet control switch valve 26 is an electric switch electromagnetic valve or a manual screw switch valve. The manual screwing switch valve controls the on/off of water manually; the electric switch electromagnetic valve is connected with a controller of the household beverage extraction machine through an electric wire and is controlled by operating the controller.

Further: the detachable food material placing mesh cylinder 7 is placed in the cooking cavity 21, the food material placing mesh cylinder 7 is used for placing the cooked and cooked food materials, the food material placing mesh cylinder 7 is convenient to use and then is taken out for cleaning, and the cooked and cooked beverage has no residue; the mesh diameter of the food material placing mesh cylinder 7 is 80-250 meshes or 0.5-1.5 mm; the food material placing net cylinder 7 is arranged (placed or hung) in the upper-layer cavity 212, so that food materials are prevented from being soaked in water when being steamed.

Specific structural example 1:

as shown in fig. 1: an electric heating cooking device for food materials comprises an electric heating device 1, a cooking cup body 2, a sealing cup cover 3 and a pressure release valve 4, wherein the electric heating device 1 is fixedly connected to the bottom of the cooking cup body 2, a cooking cavity 21 is formed inside the cooking cup body 2, the cooking cavity 21 is cylindrical, the electric heating device 1 is used for heating water and food materials in the cooking cavity 21, and the food materials are flowers, tea, traditional Chinese medicinal materials and the like used as beverages; the top cup mouth of the cooking cup body 2 is connected with an openable sealing cup cover 3 in a screwed connection mode through screws, food materials can be put into the cooking cavity 21 by opening the sealing cup cover 3, and the food materials can be cooked after the sealing cup cover 3 is closed and sealed; a pressure relief hole 41 is formed in the side wall of the upper section of the cooking cup body 2, a pressure relief valve 4 is connected to the outside of the pressure relief hole 41, the pressure relief valve 4 is a one-way circulation pressure relief valve 4, the steam pressure is discharged from the pressure relief valve 4 after being larger than a set pressure, the pressure relief value of the pressure relief valve 4 is generally set to be 0.2 kg-0.3 kg according to the power of the electric heating cooking device, and the steam pressure inside the cooking cavity 21 is larger than the set pressure relief value, namely, the pressure is relieved; a residual liquid output and reflux hole 22 is formed in the side wall of the lower section of the cooking cup body 2, an outer hole opening of the residual liquid output and reflux hole 22 is connected with a liquid pipe 23, the liquid pipe 23 is made of a drinking water pipe or a stainless steel pipe, the other end of the liquid pipe 23 is connected with a temporary liquid storage tank 5, a temporary liquid storage cavity 50 is formed inside the temporary liquid storage tank 5, the temporary liquid storage tank 5 is made of plastic or glass or a stainless steel pipe, a liquid outlet and reflux hole 51 is formed in the bottom of the temporary liquid storage tank 5 and communicated with the liquid pipe 23, and an exhaust hole 52 is formed in the top of the temporary liquid storage tank 5 and used for exhausting residual steam and hot air pressure during cooking food materials; the liquid pipe 23 is provided with a liquid switch valve 24, and the liquid switch valve 24 is an electric liquid switch valve 24; the electric liquid switch valve 24 and the electric heating device 1 are connected with a controller of the household beverage extraction machine through electric wires and are operated to be switched on/off through the controller; a lower reserved liquid chamber 211 is arranged below the residual liquid output and reflux liquid hole 22, the height of the lower reserved liquid chamber 211 is 2-5 cm, the lower reserved liquid chamber 211 is also a part of the cooking cavity 21 and is the same cavity, the lower reserved liquid chamber 211 and the cooking cavity 21 are integrally formed, the cooking cup body 2 is made of a stainless steel cylinder, and the lower reserved liquid chamber 211 and the cooking cavity 21 are arranged inside the cooking cup body. The volume of the cooking cavity 21 is 500 ml-2 l; the temporary liquid storage tank 5 is 500 ml to 1.5L.

The temporary storage tank 5 is higher than the residual liquid output and reflux hole 22, and the beverage liquid in the temporary storage tank 5 can naturally reflux to the cooking cavity 21 from the liquid pipe 23; the beverage liquid in the high position can naturally flow back to the cooking chamber 21 through the liquid pipe 23, facilitating recovery/return of the beverage liquid.

The use process comprises the following steps: when food materials need to be steamed, a food material placing net cylinder 7 is placed in the steaming cavity 21, the food material placing net cylinder 7 is detachably supported on the residual liquid output and backflow holes 22, the sealing cup cover 3 is opened firstly, food materials and a proper amount of water are put into the food material placing net cylinder 7, and then the sealing cup cover 3 is closed; the liquid switch valve 24 is opened through a controller of the household beverage extraction machine, the electric heating device 1 is electrified and heated to enable the water in the cooking cavity 21 to rise temperature and generate vapor pressure, the cooking cavity 21 forms positive pressure, the vapor pressure is increased, when certain vapor pressure is reached, liquid (water) above the residual liquid output and liquid return hole 22 is pressed to the temporary liquid storage tank 5 through the residual liquid output, liquid return hole 22 and liquid pipe 23 by vapor pressure for temporary storage, and the liquid remained in the lower reserved liquid chamber 211 is continuously heated and boiled to generate food materials above the vapor cooking; steam generated in the process of steaming the food materials is also output from the directions of the residual liquid output and reflux liquid hole 22, the liquid pipe 23 and the temporary liquid storage tank 5, liquid (water) can not flow backwards temporarily due to steam pressure, the temporary liquid storage tank 5 is temporarily filled with water, the liquid outlet and reflux hole 51 is arranged at the bottom of the temporary liquid storage tank 5, the liquid outlet and reflux hole 51 is temporarily covered by water, the steam with water is mixed with the water in the temporary liquid storage tank 5 to recover volatile nutrient substances (trace elements), and the loss of the volatile food material nutrient substances is reduced as much as possible; when the food materials are steamed, the water in the lower reserved liquid chamber 211 does not directly contact the food material placing net cylinder 7, so that the food materials can be steamed; after the electric heating device 1 stops heating, the cooking cavity 21 is cooled and the liquid in the temporary liquid storage tank 5 is sucked back by negative pressure, enters the cooking cavity 21, is mixed with the liquid in the lower reserved liquid chamber 211 and soaks food materials; the opening and closing time of the liquid switch valve 24 is controlled by a controller of the household beverage extraction machine, and the working time and the pause time of the electric heating device 1 are controlled by the controller of the household beverage extraction machine; generally, the food material steaming time is 3-5 minutes each time, and then the intermittent pause time is 3-5 minutes; generally circulating for 5 to 10 times;

when the food material is steamed, because the liquid switch valve 24 is opened, the residual liquid output and return liquid hole 22, the liquid pipe 23, the liquid switch valve 24, the temporary liquid storage tank 5, the liquid outlet and return hole 51 and the exhaust hole 52 are communicated, the internal and external atmospheric pressures are balanced, and the pressure relief valve 4 has limited pressure, the water and the vapor only flow to the temporary liquid storage tank 5 from the direction of the liquid pipe 23, and the residual air is discharged from the exhaust hole 52 to the outside;

if the food material is to be cooked, the liquid switch valve 24 is closed, the liquid is enabled to soak the food material, the electric heating device 1 is electrified to heat so that the temperature of water in the cooking cavity 21 rises and vapor pressure is generated, the cooking cavity 21 forms positive pressure, the vapor pressure is increased, when certain vapor pressure is reached, certain high-pressure vapor is generated in the cooking cavity 21 through the pressure limiting of the pressure release valve 4, the food material is enabled to permeate water into the interior (particularly traditional Chinese medicinal materials) more easily, and the cooking efficiency is higher; therefore, the dual purposes of steaming and boiling are realized; the steaming and boiling are performed for a plurality of times at intervals, so that the food materials can fully release nutrient elements (nutrient solution). After the drinking is finished, the beverage liquid is extracted by opening the sealing cup cover 3 for drinking.

Specific structural example 2:

the difference from the specific structural example 1 is: the pressure relief valve 4 is connected with a pressure relief pipe 411; a steam inlet 53 is arranged on the temporary liquid storage tank 5; the other end of the pressure relief pipe 411 is connected with a steam inlet hole 53 and communicated with the temporary liquid storage tank 5; when the food is cooked, the pressure release valve 4 can spray water vapor together with small water content, and the water vapor sprayed by the small water content is just a part of nutrient solution (stock solution and beverage solution), so that the waste is avoided, the loss is prevented, and the water vapor is recovered through the temporary liquid storage tank 5; after the liquid switch valve 24 is opened, the liquid flows back into the cooking cavity 21 through the liquid pipe 23, the residual liquid output and the liquid return hole 22.

Specific structural example 3:

as shown in fig. 2: the difference from the specific structural example 1 is: the pressure relief valve 4 is connected with a pressure relief pipe 411; a steam inlet 53 is arranged on the temporary liquid storage tank 5; the other end of the pressure relief pipe 411 is connected with a steam inlet hole 53 and communicated with the temporary liquid storage tank 5; when the food is cooked, the pressure release valve 4 can spray water vapor together with small water content, and the water vapor sprayed by the small water content is just a part of nutrient solution (stock solution and beverage solution), so that the waste is avoided, the loss is prevented, and the water vapor is recovered through the temporary liquid storage tank 5; after the liquid switch valve 24 is opened, the liquid flows back to the cooking cavity 21 from the liquid pipe 23, the residual liquid output and the liquid return hole 22;

a liquid outlet hole 25 is formed in the bottom of the cooking cavity 21, the liquid outlet hole 25 is used for discharging beverage, a liquid outlet control switch valve 26 is connected to an outer hole of the liquid outlet hole 25, the liquid outlet control switch valve 26 is a mechanical valve and is manually screwed to a switch, and the liquid outlet control switch valve 26 is used for controlling the circulation on/off of the beverage; the liquid outlet control switch valve 26 is lower than the liquid outlet hole 25, after the liquid outlet control switch valve 26 is opened, the beverage liquid in the cooking cavity 21 can naturally flow out from the direction of the liquid outlet control switch valve 26 at the lower part, the beverage liquid is easy to flow out, and the beverage liquid is convenient to be connected; when the drink liquid is boiled and needs to be drunk, a point of the sealing cup cover 3 is opened to ventilate and enter the boiling cavity 21, then the liquid outlet control switch valve 26 is opened, and the drink cup is placed in the front lower part of the liquid outlet control switch valve 26 to be drunk by the drink; after the beverage is received, the sealing cup cover 3 and the liquid outlet control switch valve 26 are closed.

Specific structural example 4:

as shown in fig. 3 and 4: the difference from the specific structural example 1 is: the pressure relief valve 4 is connected with a pressure relief pipe 411; a steam inlet 53 is arranged on the temporary liquid storage tank 5; the other end of the pressure relief pipe 411 is connected with a steam inlet hole 53 and communicated with the temporary liquid storage tank 5; when the food is cooked, the pressure release valve 4 can spray steam together with small water content, and the steam sprayed by the small water content is just one part of nutrient solution (stock solution and beverage solution), so that the steam is recycled through the temporary liquid storage tank 5 in order to avoid waste and loss; after the liquid switch valve 24 is opened, the residual liquid flows back to the cooking cavity 21 from the liquid pipe 23 and the residual liquid output and return liquid hole 22;

a liquid outlet hole 25 is formed in the bottom of the cooking cavity 21, the liquid outlet hole 25 is used for discharging beverage, a liquid outlet control switch valve 26 is connected to an outer hole of the liquid outlet hole 25, the liquid outlet control switch valve 26 is a mechanical valve and is manually screwed to a switch, and the liquid outlet control switch valve 26 is used for controlling the circulation on/off of the beverage; the liquid outlet control switch valve 26 is lower than the liquid outlet hole 25, after the liquid outlet control switch valve 26 is opened, the beverage liquid in the cooking cavity 21 can naturally flow out from the direction of the liquid outlet control switch valve 26 at the lower part, the beverage liquid is easy to flow out, and the beverage liquid is convenient to be connected; when the beverage liquid is boiled and needs to be drunk, a point of sealing cup cover 3 is opened to ventilate and enter the boiling cavity 21, then the liquid outlet control switch valve 26 is opened, and the beverage cup is placed in front of and below the liquid outlet control switch valve 26 to be drunk by the beverage; after the beverage is received, the sealing cup cover 3 and the liquid outlet control switch valve 26 are closed.

A water inlet hole 27 is formed above the cooking cup body 2 and communicated with the cooking cavity 21, a water inlet switch valve 28 is connected to the outside of the water inlet hole 27, and the water inlet switch valve 28 is a one-way mechanical switch valve (the one-way mechanical switch valve is a one-way valve, only water can be fed, and backflow cannot occur, and steam cannot flow from the one-way mechanical switch valve (the water inlet switch valve 28) when cooking food materials); the water inlet 27 is close to the high position of the cup mouth. The other end of the water inlet switch valve 28 is connected with an electric water pumping device 29, the electric water pumping device 29 is an electric water pumping pump, and the electric water pumping device is suitable for being connected with barreled water or bottled water for pumping and using, is convenient to add water, and is convenient to add water midway. The electric water pump is connected with a controller of the household beverage extraction machine through an electric wire and is controlled by operating the controller. When water is pumped, the valve of the water inlet switch valve 28 is pushed open by water pressure to feed water. The water is added by timing through a controller of the household beverage extraction machine.

Claims (10)

1. An electric heating cooking device for food materials comprises an electric heating device, a cooking cup body, a sealing cup cover and a pressure release valve, wherein the electric heating device is fixedly connected to the bottom of the cooking cup body; be provided with the pressure release hole on the upper segment lateral wall of the cup of cooking or the sealed bowl cover, pressure release hole external connection has relief valve, its characterized in that: the side wall of the lower section of the cooking cup body is provided with a residual liquid output hole and a return liquid hole, the outer hole opening of the residual liquid output hole and the return liquid hole is connected with a liquid pipe, the other end of the liquid pipe is connected with a temporary liquid storage tank, the bottom of the temporary liquid storage tank is provided with a liquid outlet hole and a return hole which are communicated with the liquid pipe, the top of the temporary liquid storage tank is provided with an exhaust hole, and the liquid pipe is provided with a liquid switch valve; a lower reserved liquid chamber is arranged below the residual liquid output and reflux liquid hole and is also part of the cooking cavity.

2. An electric cooking device for food material as claimed in claim 1, characterized in that: the pressure relief valve is connected with a pressure relief pipe; a steam inlet hole is arranged on the temporary liquid storage tank; the other end of the pressure relief pipe is connected with a steam inlet hole and communicated with the temporary liquid storage tank.

3. An electric cooking device for food material as claimed in claim 1, characterized in that: a liquid outlet hole is formed in the bottom of the cooking cavity, and an outer hole opening of the liquid outlet hole is connected with a liquid outlet control switch valve; the liquid outlet control switch valve is lower than the liquid outlet hole, and after the liquid outlet control switch valve is opened, the liquid in the cooking cavity can naturally flow out from the liquid outlet control switch valve at the lower part.

4. An apparatus for electrically cooking food material as claimed in claim 1, wherein: the temporary liquid storage tank is higher than the residual liquid output and reflux liquid hole, and liquid in the temporary liquid storage tank can naturally reflux to the cooking cavity from the liquid pipe.

5. An apparatus for electrically cooking food material as claimed in claim 1, wherein: a separation net device is arranged at the lower section of the cooking cavity, and the circumferential edge of the separation net device is fixedly connected with the inner wall of the cooking cavity; the separating net device divides the cooking cavity into a lower reserved liquid chamber and an upper cavity; the residual liquid output and reflux hole is level with or slightly lower than the separating net device, and the residual liquid output and reflux hole is positioned above the lower reserved liquid chamber.

6. An electric cooking device for food materials according to any one of claims 1 to 5, characterized in that: a water inlet hole is formed in the upper portion of the cooking cup body and communicated with the cooking cavity, and a water inlet switch valve is connected to the outer portion of the water inlet hole.

7. An electric cooking device for food material as claimed in claim 6, wherein: and the other end of the water inlet switch valve is connected with an electric pumping device.

8. An electric cooking device for food material as claimed in claim 1, characterized in that: the electric heating device is an electromagnetic heating device, an electric heating plate heating device, an electric heating pipe heating device, a graphene electric heating device or a thick film electric heating device.

9. An electric cooking device for food material as claimed in claim 1 or 8, characterized in that: the electric heating device comprises a temperature control device and an electric heating plate, and the temperature control device is tightly connected to the electric heating plate; the electric heating plate is connected to the inner bottom of the cooking cup body in a sealing mode and is also a part of the cup bottom wall.

10. An apparatus for electrically cooking food material as claimed in claim 9, wherein: a liquid outlet hole is arranged at the position of the electric heating plate, which is not connected with the electric conductor, and the outer orifice of the liquid outlet hole is connected with a liquid outlet control switch valve.

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