CN102759133A - Less-oxygen microwave oven - Google Patents

Abstract

The invention relates to a less-oxygen microwave oven, which comprises one or more gas flow switching devices. The microwave oven is provided with an air discharge device; when the microwave oven starts to work, air in the oven is heated to expand so as to be discharged through an air discharge valve; and the oxidation loss of nutritional components of foods is reduced by reducing oxygen in the microwave oven. The less-oxygen microwave oven has the advantages of effectively reducing the nutrition loss due to oxidation of the foods, along with high convenience in use.

Description

Few oxygen type micro-wave oven

Technical field

The invention relates to a kind of few oxygen type micro-wave oven, specifically is exactly about the micro-wave oven of control gas flow switch device is arranged.

Background technology

Existing micro-wave oven product has desk-toply and embedded, and the function of use that has made up other is also arranged.Also can be divided into family expenses uses with commercial.But all oxygen is being arranged and work under aeration structure, the uncontrolled environment of gas is arranged, the content of oxygen does not have control in the micro-wave oven, and food is prone to oxidized, and nutritional labeling has greater loss; High-temperature gas is unordered to flow, and culinary art efficient is low, thermal loss is bigger.Gas in food processing process in the existing micro-wave oven is uncontrolled and culinary art efficient is low, thermal loss is bigger.

Summary of the invention

Technical problem to be solved by this invention is exactly that existing microwave furnace gas does not have control in food processing process, food is prone to oxidation, cooks the technical problem that effect is wayward, energy consumption big, culinary art is inefficient.

Few oxygen type micro-wave oven comprises family expenses and commercialization, comprises desk-toply and embedded, comprises the multifunction microwave oven that micro-wave oven and other products are compound.Gas control comprises initiatively and Passive Control that ACTIVE CONTROL is meant that the operator can not exclusively rely on the physical characteristic control gas of gas, and Passive Control is meant that the operator relies on the physical characteristic control gas that expands with heat and contract with cold of gas fully; Gas is controlled to rare three kinds of situation, and the one, can ACTIVE CONTROL bleed or inflate; The 2nd, when the air expanded by heating, can discharge air and can also close the exhaust passage after a period of time at the discharge air, comprise continuing type exhaust and discontinuous form exhaust; The 3rd,, the air expanded by heating keeps predetermined pressure and can also exhaust when surpassing setting pressure when reaching predetermined pressure, comprise pressure limiting and pressure release.Few oxygen type micro-wave oven should have better seal property, can prevent that not controlled new oxygen or air from getting into micro-wave oven.The gas control equipment of few oxygen type micro-wave oven mainly is fixedly mounted on the casing, can weld, bonding, interference connects, be threaded etc.Play in the control casing effect with casing outer room gas, oxygen and moisture and control gas flow; Can also control the size of microwave power according to pressure.Gas is filled or air extractor can be connected with microwave cabinet through various interface.

Technical scheme of the present invention is a kind of few oxygen type micro-wave oven, is made up of casing, chamber door, energy module and control part, includes one and reaches with last gas flow switch device.The gas flow switch device comprises exhaust apparatus and pressure valve.

Preferred gas flow switch device is respectively one and drive exhaust apparatus or one and with any two kinds and the combination of above kind among last manual exhaust apparatus or gas filling device or five with last machinery-physical effect valve or one and with last electric driver's valve or one and with last electricity.Exhaust apparatus also is the switching device of control gas flow, and gas can unidirectional outflow or do not flowed, and comprises that vacuum type also is the pressure valve of control gas flow with pressure-type, exhaust apparatus are arranged.There is the micro-wave oven of exhaust apparatus also can be vacuum microwave.

Exhaust apparatus is check valve or exhaust-seal valve or exhaust-pressure limiting valve, manually vacuumizes tube or vacuum machine or blower fan or its combination.In the time of can or starting working before micro-wave oven work, drive air extractor with manual or electricity the microwave furnace air is discharged, reduce oxygen content, can reduce the infringement of Food Oxidation.Manually bleed or electricity drives the various tool equipment that air extractor just vacuumizes type, piston type, turbine type, rotary vane type, molecular pump formula arranged, such as the ultrasonic vacuum machine, manually or electricity drive air extractor and after exhaust, should close gas passage.The general in use and supporting use of valve of blower fan.Owing to there is the micro-wave oven sealing of exhaust apparatus better, there is not new air to get into micro-wave oven after the exhaust, so interior oxygen of micro-wave oven and humidity are more many than little with common microwave stove; Can solve when existing micro-wave oven is baked and banked up with earth food and require crisp problem, the oxidative phenomena degree is light in few oxygen food processing process, and loss of nutritional ingredients is little; Thermal loss is also little; High-temperature gas is controlled, and micro-wave oven is energy-conservation, and comparable existing micro-wave oven process time is short and more save the energy.

Preferred mechanical-physical effect valve is respectively any two kinds and the combination of above kind among check valve or exhaust-seal valve or exhaust-pressure limiting valve or pressure valve or four.Few oxygen type micro-wave oven has one to reach with last pressure valve.Pressure valve also is pressure limiting valve, relief valve, safety valve.Few oxygen type micro-wave oven can have one to reach with last pressure safety valve.Few oxygen type micro-wave oven has pressure valve can control that gas does not flow or not unnecessary gas flows out, also be boost, the process of pressurize and pressure limiting.Pressure valve can be fixedly mounted on the casing, can be welding, bonding, be threaded, common modes such as riveted joint, interference connection.Pressure valve also is the device of control gas flow.There is pressure controlled micro-wave oven that better seal property is arranged; The quantity of gas, oxygen and moisture is to be controlled at certain level; So in the cooking process, oxidative phenomena reduces, thermal loss reduces, temperature high, has pressure valve or pressure controlled micro-wave oven also can be the pressure micro-wave oven.The pressure micro-wave oven is energy-conservation, culinary art efficient is high.

Pressure valve is adjustable pressure valve or fixation pressure valve or its combination.The fixation pressure valve is meant that the actuating pressure of pressure valve fixes, and the pressure of adjustable pressure valve is adjustable; Few oxygen type micro-wave oven can have one to reach with last adjustable pressure valve.The pressure valve pressure regulating mechanism is screw-type or sheet/rod-type or electronic type or its combination.

Few oxygen type micro-wave oven comprises vacuum type and pressure-type is arranged.Gas control equipment comprises pressure valve, exhaust apparatus, active air extractor or aerating device, and air extractor or aerating device comprise respectively manually and electric device.

Pressure valve in existing the use comprises that air bleeding valve, pressure limiting valve, safety valve, relief valve can use on few oxygen type micro-wave oven, also can do simple common improvement and variation that some adapt to few oxygen type micro-wave oven.

Machinery-physical effect type valve right and wrong electricity driver's valve.Can be divided into siphon class, expansion class, memorial alloy class, elastic type etc. according to action principle.Also can be that multiple action principle combination is used.The existing used pressure valve of pressure cooker is machinery-physical effect type valve mostly.After micro-wave oven is started working; The air expanded by heating also produces ascending motion; If on the micro-wave oven exhaust outlet, connect by gas control equipment is housed; At this moment the microwave furnace air can flow into selectively, flow out through gas control equipment or remain in the micro-wave oven, and oxygen also can reduce simultaneously in the micro-wave oven simultaneously.Few oxygen type micro-wave oven can have one to reach with last steam vent; Steam vent has different shape; But it is in the majority with circular hole; Steam vent one end communicates with micro-wave oven inside, and the other end cooperates with pressure valve, exhaust apparatus, control gas device respectively, and pressure valve, exhaust apparatus, control gas device also can directly play the effect of steam vent.Vent structure also will consider to use gauze screen etc. to prevent that microwave from revealing, and can include between pressure valve, exhaust apparatus, control gas device and casing and prevent the microwave leakage structure, and the anti-microwave of existing micro-wave oven is revealed structure and can be used.Like gauze screen.

The siphon class is the mobile generation thrust through air, promotes the moving element action.Such as can on microwave cabinet, fixing a hollow shape and cylindrical hole, round taper hole pipe fitting can being arranged respectively, the micro-wave oven inner face of pipe fitting or inner surface can have sealing surface respectively, the element of a similar barbell-shaped being installed in pipe fitting and making with light material or low-gravity structure; Mostly the low-gravity structure is hollow structure, and the intermediary outside size of the element of similar barbell-shaped is slightly smaller than the diameter in pipe fitting hole, also is conical such as the element surface of similar barbell-shaped; Length is a bit larger tham the length of pipe fitting; When micro-wave oven was not worked, the element and the pipe fitting of similar barbell-shaped were gapped, when micro-wave oven is worked; Hot-air flows out from the slit and produces siphonage; The element that promotes similar barbell-shaped moves upward, and plays the effect of discharging gas and sealing, can play the effect of exhaust-seal valve; If matching surface has seal, sealing effectiveness can be better; If the element of similar barbell-shaped is in the inner section diameter size of micro-wave oven during greater than the diameter of pipe fitting at the casing endoporus; When micro-wave oven is worked; Hot-air flows out from the slit and produces siphonage; The element that promotes similar barbell-shaped moves upward, and the element of similar barbell-shaped is blocked the hole of pipe fitting in the inner part of micro-wave oven, plays the effect of discharging gas and sealing; If the element of similar barbell-shaped has seal to match with the shape of the micro-wave oven inner face of pipe fitting in the inner part of micro-wave oven, sealing effectiveness can be better; Pipe fitting can also adopt hollow in the inner part of micro-wave oven; The hollow material comprises flexible material and hard material, selects the ball that lighter material or hollow etc. are light-duty, flexible material manufactures and designs in the hollow, when micro-wave oven is worked; Hot-air flows out from pipe fitting mesopore slit and produces siphonage; The promotion bead moves upward, and the endoporus of blocking pipe fitting plays the effect of discharging gas and sealing, plays the effect of exhaust-seal valve; If the element of similar barbell-shaped has seal to match with the shape of the micro-wave oven inner face of pipe fitting in the inner part of micro-wave oven, sealing effectiveness can be better; Pipe fitting micro-wave oven internal end surface also can have seal; The mid portion of similar barbell-shaped element can be respectively the combination that rod member or spring or rod member are with spring also, and the valve of a lot of flexible structures can play the effect of exhaust-pressure limiting valve; The material of the element of similar barbell-shaped should be selected made of light design such as lighter material or hollow; Such as aluminium alloy; The effect of expanding with heat and contract with cold of similar barbell-shaped element or bead, flexible hollow shape also helps sealing effectiveness; If adopt the stronger made of effect of expanding with heat and contract with cold, sealing effectiveness can be better.The micro-wave oven inner face of pipe fitting also can be a hollow sphere, wherein places the bead of a modest size, along with the ascending air of temperature begins to flow through pore, produces suction, promotes bead and rolls to rise and produce sealing effect.Can there be sealant on the inner face of sphere or bead surface.The inner relative face of casing with the pipe fitting place of micro-wave oven is sealing surface and the size diameter greater than the pipe fitting hole; Sealing surface matches with the shape of the baking box inner face of pipe fitting; Also can there be seal on the surface of the micro-wave oven inner face of the element of similar barbell-shaped; The material of the element of similar barbell-shaped should be selected lighter material or air core designs, and the element of similar barbell-shaped also can be promoted rising by air-flow and produce sealing effect when being heated.The class that expands is exactly the phenomenon of expanding with heat and contract with cold of utilizing material; Element such as similar barbell-shaped uses the bigger material of thermal coefficient of expansion; Along with the ascending air of temperature begins to flow; The mid portion of the element of similar barbell-shaped uses expanded by heating made, expanded by heating to block the hole or the contact-making surface slit of pipe fitting with expanded by heating material or surface.

The class that expands is exactly the phenomenon of expanding with heat and contract with cold of utilizing material, and comprises that the bigger material of thermal coefficient of expansion uses separately or the combination of materials of different heat expansion coefficient uses; Bimetal leaf is exactly two kinds of materials that use thermal coefficient of expansion to differ bigger to be superimposed together to design be shaped, and common profile can be long square shape sheet or circle, and bimetal leaf deflection or counter-rotating form sealing when temperature rises; Bimetal leaf can be a slice shape, and an end is fixed on the casing, and the other end and steam vent end face have an angle, comprises 0 degree; When normal temperature, be in opening state, bimetal leaf is to bin movement when temperature rises, and bimetal leaf closely contacts the realization sealing effectiveness with the steam vent end face; Can also make a support in tank surface; This support can have only a contact point with casing; Also can there be two contact points to become a shape; Bimetal leaf can directly be fixed on support and upward or through a spring-like part link to each other with support, also can link to each other with support through a rod member class part, and the working face of bimetal leaf is parallel with the casing discharging port surface during normal temperature; The center of the center of bimetal leaf and steam vent or air bleeding valve relatively and distance suitable, can also be in the inside of steam vent, concordant or outside.When normal temperature, be in opening state, when temperature rises bimetal leaf be heated counter-rotating or deflection, closely contact to form with the surface of steam vent or air bleeding valve and seals, at this moment play the effect of exhaust-seal valve; The surface of bimetal leaf or the end face of steam vent also can have seal.Bimetal leaf is fixed in the support through a spring-like, and bimetal leaf will be pushed the effect of playing pressure limiting valve, the effect of exhaust-pressure limiting valve just when steam pressure is worked elastic force greater than first.These structures both can also can be used outside micro-wave oven in micro-wave oven.Bimetal leaf is heated and reverses both can be that spill also can be plane or other shape.Shape before bimetal leaf is heated also can determine according to designing requirement.Other situation and siphon class similar.

The memorial alloy class is to utilize the material that memory function is arranged can when reaching specified temp, recover the phenomenon of original shape after treatment.Such as one be untreated before the memory alloy sheet surface configuration match with the end face of air release valve hole; One end is fixed on the casing; Surface and steam vent end face that the other end is handled back memory alloy sheet have an angle; The memorial alloy sheet makes the surface closely contact with the steam vent end face distortion when the temperature rising reaches deformation point, plays sealing function; At this moment also can be by the dress memorial alloy in steam vent.These structures both can also can be outside micro-wave oven in micro-wave oven.Also can two kinds of memory alloy materials that distortion differs bigger or opposite one way be superimposed together and play the effect of bimetal leaf after being heated.Also can memorial alloy be processed various springs, memorial alloy with round trip class memorial alloy for well.Also can one way or omnidistance memorial alloy when different structure.Bimetal leaf class and memorial alloy sealing surface also can be used for emptying valve micro-wave oven outer end under suitable structure.Can also make a support in tank surface; This support can have only a contact point with casing, also can have two to reach with last contact point, and the memorial alloy sealing surface links to each other with support through a memorial alloy rod member or memory alloy spring; The center of the center of memorial alloy sealing surface and steam vent or air bleeding valve is relative and distance is suitable; When normal temperature, be in opening state, the motion that memorial alloy rod member or memory alloy spring produce to casing when temperature rises forms sealing, when pressure during greater than spring force; The spring compression is in opening state, just plays the effect of exhaust-pressure limiting valve.

The siphon class formation also can be used for the memorial alloy class, and the expansion class formation also can be used for the memorial alloy class.Expansion class component structure also can be used for the siphon class.Elastic construction also can be used for the element of above three kinds of principles, and the element of four kinds of principles also can comprehensively simultaneously adopt.

The existing pressure valve of using comprises all flexible structure of air bleeding valve, pressure limiting valve, safety valve, relief valve, commonly helical spring.

Preferred electric driver's valve is one and with last electrical heating driver's valve or be one and with last magnetic valve or be one and with any two kinds and above kind combination among last motor-driven valve or the three.Few oxygen type micro-wave oven has one to reach with last electrical heating driving pressure/gas trap.Electricity drives the effect that air extractor, magnetic valve and electric driver's valve can play pressure valve, pressure limiting valve, exhaust-seal valve, exhaust-pressure limiting valve, relief valve, safety valve, exhaust apparatus, gas controllable device respectively simultaneously.Few oxygen type micro-wave oven has one to reach with last electrical heating driving gas valve, and the electrical heating driver's valve is meant that electrical heating drives thermal expansion material structure such as bimetal leaf class and memorial alloy class.Few oxygen type micro-wave oven has one to reach with last solenoid actuated pressure/gas trap.Few oxygen type micro-wave oven has one to reach with last motor-driven pressure/gas trap.Electricity drives air extractor or motor-driven valve can be driven by direct current generator, alternating current generator, supersonic motor, piezoelectric motor or memory alloy actuator respectively.Motor can rotatablely move and rectilinear motion through the transmission mechanism conversion; Electricity drive air valve, solenoid actuated pressure/gas trap and motor-driven pressure/gas trap can be the gas switch valves, can play the effect of pressure valve, also can play the effect of air bleeding valve.The electricity driver's valve is one and with last electrical heating driver's valve or be one and with last solenoid actuated valve or be one and with last motor-driven valve or its combination.

The electricity driver's valve is respectively any two kinds and the combination of above kind among exhaust-seal valve or exhaust-pressure limiting valve or pressure valve or the three.

It is one and with last evacuator or one and with last blower fan or its combination that preferred electricity drives exhaust apparatus.

Preferred gas filling device is respectively any two kinds and the combination of above kind among manual inflator pump or manual gas cylinder or compressor or controlled gas cylinder or blower fan or five.The process of blanketing gas also is the process that increases pressure.The process of blanketing gas also can be to reduce the process of moisture.Few oxygen type micro-wave oven can comprise manual or electric gas-filled and bleed.Check valve is to continue the unidirectional exhaust of type, and exhaust-seal valve is to close the exhaust passage after a period of time continuing to discharge air, and exhaust-pressure limiting valve is that air is closed the exhaust passage after a period of time but can pressure release when pressure reaches certain value continuing to discharge.The general in use and supporting use of valve of blower fan.Controlled gas cylinder is consulted my patent application of the same name 201120450824.0.

Preferred blanketing gas is any two kinds and the combination of above kind among nitrogen or nitrogen-rich gas or carbon dioxide or carbon dioxide enriched gas or steam or air or six.The gas of filling can be respectively nitrogen, carbon dioxide, air or its combination.Fill nitrogen, carbon dioxide or mist separately and can play the effect that vacuumizes the minimizing oxidation, if after vacuumizing, recharge the effect that nitrogen, carbon dioxide or its mist can play than vacuumize better minimizing oxidation.Nitrogen-rich gas or carbon dioxide enriched gas are meant that the percentage composition example of nitrogen or carbon dioxide is maximum.

Another kind of technical scheme is a kind of few oxygen type micro-wave oven, is made up of casing, chamber door, energy module and control part, includes one and reach with last pressure switch or its two kinds of combinations with last pressure sensor or one.Few oxygen type micro-wave oven includes one and reached with last pressure sensor.Pressure sensor is distinguished or is resistance strain type sensor, piezoelectric transducer, capacitance type sensor, inductance type transducer, hall sensor, silicon resonance type sensor, silicon diffusion type sensor, capsule simultaneously.Pressure switch has diaphragm type or electronic type.Pressure switch can be that the mechanical-physical formula also can be an electronic type.Pressure sensor can electrically connect with the input of control module, and pressure sensor can electrically connect with the pressure display module input.Diaphragm type pressure sensor also can be the elastic packing diaphragm form used with existing pressure cooker.Pressure switch has diaphragm type or electronic type.Pressure switch can be that the mechanical-physical formula also can be an electronic type.

The electric type product has one and with last composite pressure sensor or one and with last composite pressure switch or its combination.Compound sensor is meant respectively or integrates with temperature, humidity, displacement, approaching, photoelectric sensor simultaneously.The composite pressure switch also be integrated group of two or more function together.Also can there be one to reach with last pressure sensor.

Preferably there is one and with last displacement transducer or one and with last temperature sensor or one and with any two kinds and the combination of above kind among last gas sensor or the three.Displacement transducer comprises contact and non-contact displacement sensor, comprises various displacement transducers such as limit switch and resistance-type, magnetic, ultrasonic, approaching, photoelectricity; Magnetic displacement transducer comprises Hall type, magnetic resistance type, induction magnetoelectricity type sensor; Comprise capacitor type and inductive type sensor near the formula displacement transducer; Photoelectric sensor comprises simple optical electric device sensor, integrated-type photoelectric sensor, infrared ray sensor, Fibre Optical Sensor, shooting eye; The integrated-type photoelectric sensor comprises color sensor and imageing sensor, and imageing sensor comprises imageing sensors such as CCD type or CMOS type.Comprise infrared ray and laser bar code sensor.Pressure sensor is distinguished or is resistance strain type sensor, piezoelectric transducer, capacitance type sensor, inductance type transducer, hall sensor, silicon resonance type sensor, silicon diffusion type sensor, capsule simultaneously.Pressure sensor or composite pressure sensor or intelligent pressure sensor are connected with electrical control module respectively or are connected with pressure display module or be connected or be connected with appliance controller with pressure display module simultaneously with pressure switch or it is connected.Electrical equipment can have pressure sensor also composite pressure sensor or intelligent pressure sensor can be arranged, or it is arranged simultaneously.Pressure sensor or composite pressure sensor or intelligent pressure sensor are connected with electrical control module with pressure display module respectively, or are connected with electrical control module with pressure display module simultaneously.

Preferably have a kind of of any two kinds and above kind combination among electromagnetic induction heating element or stratie or magnetron heating element heater or gas burner or four at least.

Preferred any that has any two kinds and the combination of above kind among electromagnetic induction heating element or stratie or magnetron heating element heater or gas burner or four in the oxygen type micro-wave oven at least that lack.

The preferred oxygen type micro-wave oven that lacks has pressure display module or pressure to set input module or its combination respectively.

Few oxygen type micro-wave oven includes casing, chamber door, energy module, control module and one and with last pressure valve.

Few oxygen type micro-wave oven includes casing, chamber door, energy module, control module and one and with last exhaust apparatus.

Few oxygen type micro-wave oven includes casing, chamber door, energy module, control module and one and with last gas control equipment.Gas controllable type micro-wave oven includes one and reached with last gas control equipment.

Gas control equipment is respectively and manually vacuumizes tube or vacuum machine or hand air pump or manually gas cylinder or compressor or controlled gas cylinder or blower fan or pressure valve or check valve or exhaust-seal valve or exhaust-pressure limiting valve or its combination.

Check valve, pressure valve or exhaust-pressure limiting valve or exhaust-seal valve are respectively electric driver's valve or machinery-physical effect type valve or its combination.Gas controllable type micro-wave oven has one to reach with last machinery-physical effect pressure valve.Gas controllable type micro-wave oven has one to reach with last air valve.Gas control microwave stove can have one to reach with last pressure valve.

Few oxygen type micro-wave oven has pressure display module or pressure to set input module or its combination respectively.Independent pressure display module is made up of display module and control circuit module, and pressure display module can be a pointer-type or digital; Independent pressure pressure setting input module is formed by setting input module and control circuit module, also can comprise display module, and it can be button or touch control flow formula that pressure is set input module.Pressure display module or pressure are set input module can be respectively or be incorporated into simultaneously in the control module of micro-wave oven or on the display floater.

Few oxygen type micro-wave oven decompress(ion)/pressure relief device is respectively hand-operated valve or electric driver's valve or its combination.Gas controllable type micro-wave oven has one and separate vacuum plant or one and with last pressure relief device or its combination with last.Pressure relief device is respectively hand-operated valve or electric driver's valve or its combination.

The micro-wave oven control module can be various ways such as switching regulator, PID circuit module type, Programmable Logic Controller, digital processing unit, microprocessor, can be driven the open and close time length and the moment of bleed exhaust apparatus, compressor, blower fan, magnetic valve and electric driver's valve by micro-wave oven control module control electricity.Pressure sensor or temperature sensor are connected with the micro-wave oven control module respectively and are used.Few oxygen type micro-wave oven has pressure protect control module and temperature control modules.Microwave cabinet can be all-sealed structure, casing and chamber door contact site, and casing or chamber door can have seal respectively.Can reach sealing effectiveness through the whole bag of tricks such as welding, bonding, Precision Machining contact-making surface, seals.Micro-wave oven has better seal property; Can prevent that new oxygen from getting into, but pressure valve, exhaust apparatus, gas control equipment and microwave cabinet or steam vent screw thread is fixedly connected respectively, elasticity card/button is fixedly connected, welding is fixedly connected, be adhesively fixed be connected, the riveted and fixed connection.Few oxygen type micro-wave oven can have one to reach with last pendulum-type closing structure.Few oxygen type micro-wave oven can have one to reach with last hasp closing structure.

The invention has the beneficial effects as follows; Because the gas in food processing process in few oxygen type micro-wave oven is controlled, oxygen reduces during micro-wave oven work, has reduced the loss of nutritional labeling behind the Food Oxidation; The adjustment of moisture makes the culinary art effect more easy to control, has saved the energy and has improved efficient.

That this specification is just selected is a part of main, preferred, difformity and structure describe, and other does not need creative thinking is also thinkable, this specification is not mentioned shape and structure through the prompting of this specification also is the scope that the present invention protects.

Microwave cabinet can be individual layer or double-decker, and this specification is the example explanation with the bilayer, simplifies getting final product during the individual layer micro-wave oven.

Description of drawings

S1: micro-wave oven S2: magnetic valve

Fig. 1 is specific embodiment 2 magnetic valve position views

The specific embodiment

Specific embodiment 1, few oxygen type micro-wave oven are made up of outer case, internal box, chamber door, heater block, controller, pressure valve etc.; Pressure valve is in the middle of the micro-wave oven upper box body, between outer case and the internal box; Have a steam vent and the outside that spill is arranged on the internal box, the pressure valve elastic ferrule is on steam vent, and pressure valve is a pressure limiting valve; Outer case has netted air dispelling hole at the pressure valve place; There is anti-microwave leakage gauze screen structure at the steam vent place, and the micro-wave oven sealing is good, and other can select prior art to manufacture and design according to design demand.

Specific embodiment 2, few oxygen type micro-wave oven are made up of outer case, internal box, chamber door, heater block, control module, pressure sensor or temperature sensor, magnetic valve etc.; Pressure sensor or temperature sensor can be fixedly mounted on the top of internal box; Magnetic valve is in the middle of micro-wave oven rear box top; The magnetic valve screw thread is fixed on internal box top and between the outer box and inner box, and a steam vent is arranged on the internal box, and magnetic valve cooperates with steam vent; Outer case has netted air dispelling hole at the magnetic valve place; Pressure sensor or temperature sensor, heater block, magnetic valve electrically connect with control module respectively, and control module is according to the unlatching of pressure sensor or detected pressure of temperature sensor or temperature duty control solenoid valve, and there is netted anti-microwave leakage structure at the steam vent place; The micro-wave oven sealing is good, and other can select prior art to manufacture and design according to design demand.

Specific embodiment 3, few oxygen type micro-wave oven are made up of outer case, internal box, chamber door, heater block, miniature ultrasonic ripple vacuum machine, pressure sensor, control module etc.Pressure sensor is on the internal box of micro-wave oven top; Miniature ultrasonic ripple vacuum machine is installed between right side casing top outer case and the internal box; Miniature ultrasonic ripple vacuum machine air inlet sealing thread be fixed on the internal box and with casing in communicate, in outer case and corresponding position, miniature ultrasonic ripple vacuum machine gas outlet netted air dispelling hole is arranged, heater block, miniature ultrasonic ripple vacuum machine, pressure sensor all electrically connect with control module respectively; Miniature ultrasonic ripple vacuum machine before culinary art or culinary art the incipient stage can discharge air; When the pressure rising reached desired value, control module can be ordered miniature ultrasonic ripple vacuum machine to quit work or reduced power, and there is netted anti-microwave leakage structure at the steam vent place; The micro-wave oven sealing is good, and other can select prior art to manufacture and design according to design demand.

Specific embodiment 4, few oxygen type micro-wave oven are made up of outer case, internal box, chamber door, heater block, pressure sensor, control module, compressed gas cylinder etc.Pressure sensor is fixed on casing top; Snap joint is installed in the casing of micro-wave oven right side and communicates with internal box; Communicate with internal box through snap joint at outer case corresponding site compressed gas cylinder, micro-wave oven is to touch the control display screen, touches the control display screen and can show pressure and pressure setting input; Touch control display screen, heater block, pressure sensor all electrically connect respectively with the micro-wave oven control module; Control module is according to the data of pressure sensor and control program control culinary art process, before culinary art or the culinary art incipient stage fill nitrogen-rich gas through compressed gas cylinder and after reaching the time of setting, close, rise when surpassing desired value in the micro-wave oven internal pressure; The pressure that control module can order heater block to quit work and keep being scheduled to; There is netted anti-microwave leakage structure at the steam vent place, and the micro-wave oven sealing is good, and other can select prior art to manufacture and design according to design demand.

Claims (11)

1. a few oxygen type micro-wave oven is made up of casing, chamber door, energy module and control part, includes one and reaches with last gas flow switch device.

2. according to the said few oxygen type micro-wave oven of claim 1, it is characterized in that the gas flow switch device is respectively one and drive exhaust apparatus or one and with any two kinds and the combination of above kind among last manual exhaust apparatus or gas filling device or five with last machinery-physical effect valve or one and with last electric driver's valve or one and with last electricity.

3. according to the said few oxygen type micro-wave oven of claim 2, it is characterized in that machinery-physical effect valve is respectively any two kinds and the combination of above kind among check valve or exhaust-seal valve or exhaust-pressure limiting valve or pressure valve or four.

4. according to the said few oxygen type micro-wave oven of claim 2, it is characterized in that electric driver's valve is one and with last electrical heating driver's valve or be one and with last magnetic valve or be one and with any two kinds and the combination of above kind among last motor-driven valve or the three.

5. according to the said few oxygen type micro-wave oven of claim 2, it is characterized in that it is one and with last evacuator or one and with last blower fan or its combination that electricity drives exhaust apparatus.

6. according to the said few oxygen type micro-wave oven of claim 2, it is characterized in that gas filling device is respectively any two kinds and the combination of above kind among manual inflator pump or manual gas cylinder or compressor or controlled gas cylinder or blower fan or five.

7. according to the said few oxygen type micro-wave oven of claim 6, it is characterized in that blanketing gas is any two kinds and the combination of above kind among nitrogen or nitrogen-rich gas or carbon dioxide or carbon dioxide enriched gas or steam or air or six.

8. a few oxygen type micro-wave oven is made up of casing, chamber door, energy module and control part, includes one and reach with last pressure switch or its two kinds of combinations with last pressure sensor or one.

9. according to claim 1 and/or 8 said few oxygen type micro-wave ovens, it is characterized in that having one and with last displacement transducer or one and with last temperature sensor or one and with any two kinds and the combination of above kind among last gas sensor or the three.

10. according to claim 1 and/or 8 said few oxygen type micro-wave ovens, it is characterized in that having at least in few oxygen type micro-wave oven any of any two kinds and the combination of above kind among electromagnetic induction heating element or stratie or magnetron heating element heater or gas burner or four.

11., it is characterized in that few oxygen type micro-wave oven has pressure display module or pressure to set input module or its combination respectively according to claim 1 and/or 8 said few oxygen type micro-wave ovens.

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