CN109287690A - A kind of food intelligent vacuum baking system based on Internet of Things manipulation - Google Patents

Abstract

The invention belongs to food apparatus fields, it specifically discloses a kind of food intelligent vacuum based on Internet of Things manipulation and is baked system, the cooling device of apparatus for baking, built-in cooling chamber including built-in roasted room, suitable for feeder, vacuum plant, circulator, control device and the controlling terminal to roasted room and cooling chamber delivery of carrier gas.The sealing of apparatus for baking and cooling device be connected to, is suitable for food from roasted room to cooling chamber transfer, at apparatus for baking food input port, cooling device food equipped at outlet port gate is set in a sealing fashion respectively.Controlling terminal passes through Internet of Things maneuver control device and setting baking process.Control device manipulation vacuum plant vacuumizes roasted room, the baked goods in the vacuum environment with carrier gas, and carrier gas circulates cooling food in manipulation circulator driving cooling chamber.Food toasts in the vacuum with carrier gas and cooling, the crisp brittleness of food are improved, and the Oxidation of Fat and Oils in food goes bad, and object, oxygen residual quantity are less, and the shelf-life of food can be improved 0.5-1 times.

Description

A kind of food intelligent vacuum baking system based on Internet of Things manipulation

Technical field

The present invention relates to a kind of food-baking system more particularly to a kind of food intelligent vacuum based on Internet of Things manipulation are roasting System processed belongs to food apparatus field.

Background technique

Crisp brittleness bakery product, such as walnut cake, biscuit, purple sweet potato are dry, potato chips food, various in style, flavor is different, deep by people Like, in order to keep good crisp brittleness, reduce preservative dosage, often need that a large amount of greases and swelling agent is added, reduce The hardened property of food, to improve the crisp brittleness of food, especially crisp uniformity improves mouthfeel.Current food baking equipment, exists Food is toasted in air environment, food bears atmospheric pressure, and easy to harden, the crisp brittleness of roasted product is poor；Baking temperature Up to 190 DEG C or more of degree even higher, and roasted room vaporization at high temperature goes out micro metal ion gas, and the grease in food is directly and air In oxygen effect, grease generates Oxidation of Fat and Oils through high-temperature oxydation and metal catalytic hydroperoxidation reaction and goes bad object, oxidation deterioration Object promotes grease high-temperature oxydation again, accelerates the oxidation rate of grease, generates the rotten object of more Oxidation of Fat and Oils harmful to health, increases Add the ability of capture food product oxygen, oxidative rancidity easily occurs in preservation and goes bad for food, and the shelf-life is short.In addition, technologist must show Field formulation, testing and measuring technology, very inconvenient, inefficiency is less useful for centralized control commissioning device.Thus, it needs to develop A kind of food intelligent vacuum baking system based on Internet of Things manipulation, to overcome the above-mentioned problems in the prior art.

Summary of the invention

Aiming at the problems existing in the prior art, it is roasting to provide a kind of food intelligent vacuum based on Internet of Things manipulation by the present invention System processed, remote debugging, setting baking process, high-efficient, the crisp brittleness of the baked goods in vacuum environment, food is changed Kind, baking volatile matter is discharged in carrier gas in time, and the rotten object of Oxidation of Fat and Oils in food, oxygen residual quantity are less, is conducive to the guarantor of food It deposits.

As one embodiment of the present invention, a kind of food intelligent vacuum baking system based on Internet of Things manipulation, Designing points are, comprising:

Feeder is adapted to provide for the carrier gas of inert gas composition, is set on feeder suitable for the defeated of carrier gas output Outlet；

Apparatus for baking, suitable for the baked goods in the vacuum environment with carrier gas；The inside of the apparatus for baking is set Suitable for the roasted room of baked goods, be set in the roasted room the roasting band of the support arranged in the horizontal direction for being suitable for carrying food to be baked, Suitable for carrier gas is shunted prisoner's gas head that guiding flow direction holds in the palm the gas separating port of roasting band, is sucked discharge suitable for carrier gas；Feeder is fitted It is connected to through the 1st solenoid valve with the input port sealing for being suitable for carrier gas input of gas separating port in the delivery outlet of carrier gas output, the baking Device is assembled the 1st temperature sensor for being adapted to detect for being baked food temperature, the vacuum meter for being adapted to detect for roasted room vacuum degree；

Cooling device is suitable for cooling food, the inside of the cooling device in carrier gas environment and is set cold suitable for food But cooling chamber, be set in the cooling chamber be suitable for carrying food to be cooled arrange in the horizontal direction it is cold entrust, be suitable for will Carrier gas shunts guiding and flows to exhaust prisoner's bucket that the cold cold wind entrusted spills head, is discharged suitable for carrier gas；The cooling device is assembled suitable In detecting, the 2nd temperature sensor of cooled food temperature, being adapted to detect for cooling room air, whether there is or not the oxygen being fully drained biographies Sensor；The delivery outlet of feeder is connected to through the 2nd solenoid valve with the input port sealing for being suitable for carrier gas input that cold wind spills head

Vacuum plant, is adapted to provide for vacuum environment, the vacuum plant include be sequentially communicated be adapted to filter out mist of oil and The filter of grain object and the vacuum pump for being adapted to provide for vacuum environment；The delivery outlet for being suitable for carrier gas discharge of prisoner's gas head is through the 3rd Solenoid valve is connected to the sealing of the input port of filter；

Circulator, suitable for driving carrier gas in cooling chamber to circulate with cooling food, the circulator includes being connected Logical heat exchanger and circulating pump；The delivery outlet for being suitable for carrier gas discharge of the exhaust prisoner bucket is through the defeated of the 4th solenoid valve and heat exchanger Inlet seal connection；The delivery outlet for being suitable for carrier gas outflow of circulating pump is connected to the input port sealing that cold wind spills head；

Control device, suitable for being dried in the vacuum environment with carrier gas based on the baking technique manipulation baking system being set Roasting product and the cooling food in carrier gas environment；

Controlling terminal, suitable for passing through Internet of Things remote control control device and setting with time correlation connection including carrier gas Parameter, baking vacuum degree, the baking technique for being baked temperature；

The food delivery outlet of the apparatus for baking is connected to the sealing of the food input port of cooling device；The food of apparatus for baking The 1st gate is set with sealing means at input port, the 3rd gate, institute is arranged in the food equipped at outlet port of cooling device in a sealing fashion It states and the 2nd gate is set in a sealing fashion between the food delivery outlet of apparatus for baking and the food input port of cooling device；

The control device is suitable for the 3rd solenoid valve of manipulation and opens circulation, manipulation vacuum pump startup, roasted room is vacuumized；It is suitable In the measured value for obtaining vacuum meter, when the measured value, which is less than the predetermined vacuum in baking technique, spends, the 3rd solenoid valve of manipulation is turned down Aperture, the 1st solenoid valve of manipulation open circulation, and the measured value of the delivery of carrier gas into roasted room, gauge feedback reaches from Roaster When the setting value for the baking vacuum degree that skill obtains, manipulation apparatus for baking starting heating；Obtain the temperature of the 1st temperature sensor feedback The setting value of measured value and the baking temperature obtained from baking process, manipulation apparatus for baking adjustment heating, so that the measurement of temperature Value reaches setting value, stops when completing baking；Circulation, the delivery of carrier gas into cooling chamber, behaviour are opened suitable for the 2nd solenoid valve of manipulation Vertical 5th solenoid valve opens circulation, and the cooling indoor air of carrier gas discharge is less than emptying setting when the measurement of lambda sensor feedback Value is that the 2nd solenoid valve of manipulation turns aperture down；After the completion of food is baked, the 3rd solenoid valve of manipulation is closed, manipulation vacuum pump stops Only, when the measured value of gauge feedback reaches standard atmospheric pressure, the 2nd gate opening is manipulated, manipulates apparatus for baking, cooling device The food for completing baking is transferred in cooling chamber from roasted room, manipulates the 2nd closing gate；It manipulates the 4th solenoid valve and opens circulation, behaviour Vertical circulation pump startup, food is cooling in the circulating current that carrier gas is constituted, until the temperature measurement of second temperature sensor feedback Value is stopped when being less than setting value.

Intelligently baking and cooling food, controlling terminal and control fill the food intelligent vacuum baking system of above embodiment It sets to establish by Internet of Things and communicate to connect, remote control control device and maneuver control device setting include carrier gas parameter, dry The information that roasting vacuum degree, baking temperature, the baking process of cooling temperature and receiving control device are fed back, and it is whole in control It is shown on end.Based on the baking process being set, the 1st gate that control device manipulates apparatus for baking is opened, and manipulates apparatus for baking Food to be baked is transferred in the roasted room of apparatus for baking, manipulates the 1st closing gate, food to be baked is in and outside air The state being isolated；Based on default baking process, control device obtains the setting value of operation parameter, control device manipulation the 3 solenoid valves open circulation, manipulation vacuum pump startup, vacuumize flow path circulation, and indoor air is baked in suction discharge, roasted room are taken out true Sky obtains vacuum environment；When the measured value of gauge feedback is spent less than the predetermined vacuum in baking process, it will be appreciated that have arranged Indoor air is baked out, then manipulates the 3rd solenoid valve and turns aperture, manipulation the 1st solenoid valve unlatching circulation down, is conveyed and is carried into roasted room Gas increases the air pressure of roasted room, and the measured value of gauge feedback reaches the setting of the baking vacuum degree obtained from baking process When value, manipulation apparatus for baking starting heating；It obtains the measured value of the temperature of the 1st temperature sensor detection and is obtained from baking process The setting value of baking temperature, manipulation apparatus for baking adjustment heating, so that the measured value of temperature reaches setting value, food has load It is baked in the vacuum environment of gas by the temperature set in baking process, stops when completing baking；It, can be with after starting baking Manipulate the 2nd solenoid valve, the 5th solenoid valve opens circulation, the cooling indoor air of carrier gas discharge, when the survey fed back based on lambda sensor When magnitude makes the judgement that cooling room air is fully drained, the 2nd solenoid valve of manipulation, the 5th solenoid valve turn valve opening down, wait Move into the food for completing baking；After the completion of food is baked, the 3rd solenoid valve of manipulation is closed, manipulation vacuum pump stops, and works as vacuum When the measured value of meter feedback reaches preset pressure values, the 2nd gate opening is manipulated, manipulation apparatus for baking, cooling device will be completed The food of baking is transferred in cooling chamber, manipulates the 2nd closing gate, the 4th solenoid valve of manipulation opens circulation, manipulation circulating pump opens Dynamic, cooling indoor carrier gas circulates, and food is cooling in the circulating current that carrier gas is constituted, until the 2nd temperature sensor is anti- The measured temperature of feedback stops when being less than the setting value in baking process, completes the baking of food.

Compared with prior art, the present invention achieves following beneficial technical effect.

It is baked system by Internet of Things remote control, baking process, tuning parameter, the debugging and manipulation of food-baking are set It is more convenient, more efficient without territory restriction, equipment is also helped by centralized control, debugging；In the vacuum environment with carrier gas Baked food, the crisp brittleness of food and crisp uniformity are significantly improved；The grease of food volatilization is discharged in time, bakes for carrier gas The trace metal ion gas etc. of room volatilization toasts the air of volatile matter and leakage, and the grease in food is difficult to happen high-temperature oxydation And metal catalytic hydroperoxidation reaction generates oxidation deterioration object；The content of the rotten object of Oxidation of Fat and Oils in food is not as good as conventional baking 10%, the oxygen uptake ability of food is greatly reduced, and is conducive to the health of eater；Oxygen residual quantity in food is extremely low, thus, The roasted food of institute is easier to save, the shelf-life improve 0.5-1 times and its more than.

Detailed description of the invention

In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings His attached drawing.

The schematic diagram of one of Fig. 1 embodiment food intelligent vacuum baking system.

The schematic diagram of Fig. 2 feeder.

The schematic diagram of Fig. 3 apparatus for baking.

Fig. 4 is the direction the A-A schematic cross-sectional view of apparatus for baking in Fig. 3.

The schematic diagram of Fig. 5 another kind apparatus for baking.

The schematic diagram of Fig. 6 vacuum plant.

Fig. 7 is the elevational schematic view of gas separating port in Fig. 3.

Fig. 8 is the elevational schematic view that grid is flowed in Fig. 3.

Fig. 9 flows the elevational schematic view after grid and gas separating port assembly.

Figure 10 is the schematic top plan view that gas head is captureed in Fig. 3.

Figure 11 is the schematic top plan view that grid is obstructed in Fig. 3.

Figure 12 obstructs grid and capturees the schematic top plan view after the assembly of gas head.

The structural schematic diagram of Figure 13 cooling device.

Figure 14 is the direction the B-B schematic cross-sectional view of cooling device in Figure 13.

Figure 15 cold wind spills the elevational schematic view of head.

The electric control theory block diagram of Figure 16 food intelligent vacuum baking system.

Wherein, 10 conveying devices, 20- apparatus for baking, 21- hold in the palm roasting band, 22- gas separating port, 221- isocon, 222- water conservancy diversion Pipe, 223- gas nozzle, 23- flow grid, 231- transverse direction homogenizing plate, the longitudinal direction 232- homogenizing plate, 233- spoiler, and 24- capturees gas head, 241- diversion cavity, 242- capture stomata, and 25- obstructs grid, and 251- transverse arrest disturbs plate, and 252- is vertical to obstruct plate, 253- current limiting plate, 26- the 1st Gate, the 2nd gate of 27-, 30- cooling device, 31- is cold to be entrusted, and 32- cold wind spills head, 321- cold wind chamber, 322- cold-wind nozzle, 33- row Gas prisoner's bucket, the 3rd gate of 34-, 40- feeder, 41- air reservoir, 42 1 gasifiers, 43- temporary storage tank, 44- pressure reducing valve, 50- are true Empty device, 51- filter, 52- vacuum pump, 60- circulator, 61- heat exchanger, 62- circulating pump, 70- control device, 80- control Terminal processed, D0- solenoid valve block, the 1st solenoid valve of D1-, the 2nd solenoid valve of D2-, the 3rd solenoid valve of D3-, the 4th solenoid valve of D4-, D5 1 5 solenoid valves, 90- sensor group, 91- vacuum meter, the 1st temperature sensor of 92-, 93- lambda sensor, the 2nd temperature sensor of 94-.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall in the protection scope of this application.Related directionality instruction in the embodiment of the present invention (such as upper and lower, left and right, It is forward and backward etc.) it is only used for the relative positional relationship explained under a certain particular pose (as shown in the picture) between each component, movement feelings Condition etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

As a kind of embodiment of the application, a kind of food intelligent vacuum baking system based on Internet of Things manipulation is provided System, as shown in Fig. 1, Figure 13, Figure 16, the food intelligent vacuum baking system includes conveying device 10, apparatus for baking 20, cooling Device 30, feeder 40, vacuum plant 50, circulator 60, control device 70, controlling terminal 80, solenoid valve block D0, sensing Device group 90 and Internet of Things.Sensor group 90 includes vacuum meter 91, the 1st temperature sensor 92, lambda sensor 93, the 2nd temperature biography Sensor 94；Solenoid valve block D0 includes the 1st solenoid valve D1, the 2nd solenoid valve D2, the 3rd solenoid valve D3, the 4th solenoid valve D4, the 5th electromagnetism Valve D5.Conveying device 10 is suitable for temporary and food to be baked is transferred in the roasted room of apparatus for baking 20, and apparatus for baking 20 is suitable In the baked goods in the vacuum environment with carrier gas；Cooling device 30 is suitable for the cooling food in carrier gas environment；Feeder 40 are suitable for providing carrier gas into the roasted room of apparatus for baking 20, and the air which is suitable for toast volatile matter and being leaked is timely It sets out, and provides carrier gas into the cooling chamber of cooling device 30, the cooling food in carrier gas environment is cooling under normal pressure to eat Product；Vacuum environment needed for vacuum plant 50 is adapted to provide for apparatus for baking baked goods, i.e. vacuum condition；Circulator 60 is suitable for It drives and bakes indoor carrier gas and circulate with cooling food.The delivery outlet for being suitable for food output of the conveying device 10 and baking The import for being suitable for food input of device 20 is connected in a sealing fashion；The food for being suitable for food output of apparatus for baking 20 is defeated It is connected in a sealing fashion between outlet and the food input port for being suitable for input of cooling device 30.The food of apparatus for baking 20 inputs The 1st gate 26 is set with sealing means at mouthful, as shown in figure 3, being suitable for for conveying device 10 and apparatus for baking 20 being isolated；It is cooling The 3rd gate 34 is arranged in the food equipped at outlet port of device 30 in a sealing fashion, suitable for cooling chamber and air to be isolated；The baking The 2nd gate 27 is set in a sealing fashion between the food delivery outlet of device 20 and the food input port of cooling device 30, being suitable for will The roasted room of apparatus for baking 20 and the cooling chamber of cooling device 30 are isolated, and apparatus for baking 20 dries in the vacuum environment with carrier gas Roasting product, the cooling food in the carrier gas environment with normal pressure of cooling device 30.The baking of food is in the vacuum ring with carrier gas It is carried out in border, transfer of the food inside baking system, the cooling of food carry out in carrier gas environment, by food and air phase Isolation, efficiently avoids grease in food and contacts with air and be oxidized during high temperature, generates the grease oxygen of harm health Change rotten object, such as trans-fatty acid improves food oxygen uptake ability, causes effective period of food quality too short.Food is toasted in vacuum environment Product, the atmospheric pressure that food surface is born is very small, and advantageous food expansion, extruding, the crisp brittleness of roasted product obtain significantly Improve.

Wherein, the conveying device 10, as shown in Figure 1, being suitable for temporary and shifting food to be baked.10 quilt of conveying device Configured with the conveying mechanism for being suitable for carrying the simultaneously net belt type of transfer of food, as shown in Figure 1, further, outside conveying device 10 Portion, which is equipped with, can be achieved closed shell, for being isolated with air.The inside of conveying device 10 is by delivery of carrier gas, such as nitrogen Gas isolates food to be baked with air, food to be baked is in carrier gas ring so that the air inside conveying device 10 is discharged It keeps in and is transferred in border, grease is oxidized in advantageous reduction food.The driving device of conveying mechanism, such as motor can be filled Assigned in above-mentioned hull outside, it is the prior art, is no longer described in detail.

Wherein, the apparatus for baking 20, as shown in figure 1, figure 3 and figure 4, the shell including sealing may be implemented, in shell Roasted room suitable for baked goods is set, thermal insulation layer (being not drawn into figure) is set between roasted room and shell.The side of apparatus for baking 20, such as The input port moved into suitable for food to be baked is set in left side, and the 1st gate 26 is arranged with sealing means at the input port.It dries The food input port of roasting device 20 is connected in a sealing fashion with the food delivery outlet of conveying device 10, and the 1st gate 26 fills conveying 10 are set to be isolated with apparatus for baking 20.The other side of apparatus for baking 20 is set such as right side and is suitable for complete roasted food shifting The 2nd gate 27, the food delivery outlet of apparatus for baking 20 and cooling dress is arranged in the equipped at outlet port in delivery outlet out in a sealing fashion It sets 30 food input port to be connected in a sealing fashion, cooling device 30 and apparatus for baking 20 are isolated by the 2nd gate 27, and being suitable for will Food to be baked is isolated with air, vacuum environment needed for forming baked goods in roasted room, in the vacuum ring with carrier gas Baked goods in border.It should be noted that the 2nd gate 27 can also be arranged on cooling device 30 in a sealing fashion and dry Between roasting device 20, also it can be set at the food input port of cooling device.It is set in the roasted room of the apparatus for baking 20 Suitable for carrying the roasting band 21 of the support arranged in the horizontal direction of food to be baked, holding in the palm roasting band 21 suitable for carrier gas is shunted guiding flow direction Gas separating port 22, the prisoner's gas head 24 being discharged suitable for carrier gas.The gas separating port 22 is horizontally disposed with by direction along the horizontal plane, is located at and is held in the palm roasting band 21 top, prisoner's gas head 24 are horizontally disposed with by direction along the horizontal plane, positioned at the lower section for holding in the palm roasting band 21.The gas separating port 22, support are roasting Band 21, prisoner's gas head 24 are arranged parallel, just opposite in perpendicular true direction, i.e., gas separating port 22 capturees gas in the surface for holding in the palm roasting band 21 First 24 in the underface for holding in the palm roasting band 21.Heater (being not drawn into figure) is set in the upper avris and lower avris for holding in the palm roasting band 21 respectively, That is upper heater, lower heater are suitable for uniform baked goods.The temperature for being adapted to detect for being baked food is set in the apparatus for baking 1st temperature sensor 92 of degree, it can be understood as detect the baking temperature of food to be baked, set in the exhaust pipe of apparatus for baking Lambda sensor is set, suitable for judging that whether there is or not be fully drained and whether there is or not air to leak into roasted room roasting room air.Specifically, will The measured value of lambda sensor feedback, can when the measured value is less than emptying reference point compared with the setting value of emptying reference point It makes and bakes indoor air and be fully drained or the judgement without air leakage, otherwise can make and bake indoor air and do not arranged completely Out or there is the judgement of free air infiltration leakage.It is described that roasting band 21 is ask to can be steel band with netted hole or mesh belt or any be suitable for Support moon cake and the flexible carrier element of carrier gas free flow from the top down can be made, in other words, roasting band 21 is ask not stop carrier gas (such as Nitrogen) freely up and down flowing.Apparatus for baking 20 is suitable for driving the driving mechanism for asking roasting band 21 to move to be located at roasted room outer housing Interior, the driving device of driving mechanism, such as motor can be located at outside shell, be the prior art, be no longer described in detail.

Wherein, the cooling device 30, including shell that can be closed, is suitable for be cooled as shown in Fig. 1, Figure 13, Figure 14 Food in the carrier gas environment being isolated with air be cooled, the cooling chamber of cooling food is arranged in shell.It is described cold The cold 31, cold wind of entrusting of indoor setting spills first 32, exhaust prisoner bucket 33.Further, can be configured to be suitable for adjusting in cooling chamber The heater (being not drawn into figure) of food rate of temperature fall, be distributed in it is cold entrust 31 upper and lower two sides.It is cold to entrust 31 in cooling chamber Direction is horizontally disposed along the horizontal plane, cold to entrust the mesh eyes being set on 31 suitable for carrier gas circulation.Cold wind spills first 32 and is arranged cold The surface for entrusting 31 entrusts 31 parallel arrangements with cold, spills the cold-wind nozzle 322 on first 32 bottom face positioned at cold wind and entrust with cold 31 is just opposite, and the carrier gas flowed out from cold-wind nozzle 322 constitutes cold wind air-flow, and flow direction is placed in the cold food entrusted on 31, takes away food Heat.The delivery outlet for being suitable for carrier gas discharge of exhaust prisoner bucket 33 is connected to the exhaust pipe sealing being placed in cooling device, should Lambda sensor 93 is assembled in exhaust pipe, as shown in figure 13, whether there is or not be fully drained or have suitable for judging cooling room air No air leaks into cooling chamber.Specifically, the emptying reference point in the measured value and baking process lambda sensor 93 fed back It compares, when the measured value is less than emptying reference point, cooling indoor air can be made and be fully drained or leaked without air Judgement, otherwise can make the judgement that cooling indoor air is not fully drained or is free air infiltration leakage.33 setting of exhaust prisoner bucket It is cold entrust 31 underface, direction is horizontally disposed along the horizontal plane, entrust 31 parallel distributions with cold, be located at exhaust prisoner bucket 33 top The exhaust port of end face entrusts 31 just relatively with cold.The side of cooling device 30 is set and moves suitable for food to be cooled such as left side Gate is arranged at the input port with sealing means in the food input port entered, and preferably it shares apparatus for baking 20 Cooling device 30 and apparatus for baking 20 are isolated by the 2nd gate 27.The other side of cooling device 30 is set suitable such as right side In will complete cooling food removal food delivery outlet, in the equipped at outlet port, the 3rd gate 34 is set in a sealing fashion, will with it is cold But the packing device of the food delivery outlet sealing connection of device 30 is isolated.

It is described it is cold entrust 31 for shifting in food to cooling chamber to be cooled, carrying food carried out in carrier gas environment it is cold But.It is cold entrust 31 can for mesh belt, be also possible to steel band or it is any suitable for support food and can make on gas downwards from By the flexible carrier element to circulate.Cooling device 30 be built-in be suitable for driving it is cold entrust 31 movements with the driving mechanism of transfer of food, The driving device of the driving mechanism, such as motor can be arranged on outside cooling chamber, are located in shell, are an integral structure, are The prior art is no longer described in detail.

Wherein, the feeder 40, as shown in Fig. 2, including air reservoir 41, gasifier 42, temporary storage tank 43 and pressure reducing valve 44.Air reservoir 41 is suitable for the carrier gas of storing liquid, such as High Purity Nitrogen, and optional purity reaches analytically pure food-grade liquid nitrogen.Gasifier 42 are suitable for the nitrogen endothermic gasification of liquid forming gaseous nitrogen；Pressure reducing valve 44 be suitable for by the higher nitrogen of pressure become pressure compared with The stable nitrogen of low pressure.The delivery outlet for being suitable for liquid nitrogen outflow of the air reservoir 41 passes through liquid nitrogen pipes and gasifier 42 Input port is connected, and flow control valve is arranged in the liquid nitrogen pipes between connection air reservoir 41 and gasifier 42, to adjust liquid The flow of nitrogen adjusts the quantum of output of nitrogen, is allowed to match with demand, avoids nitrogen pressure excessively high.Gasifier 42 is suitable for The delivery outlet of nitrogen outflow is connected to the input port that carrier gas flows into that is suitable for of temporary storage tank 43 by pipeline in a sealing fashion.Temporary storage tank It is connected in a sealing fashion between 43 delivery outlet and the input port of pressure reducing valve 44 for being suitable for carrier gas outflow by pipeline, pressure reducing valve 44 Delivery outlet be suitable for the delivery of nitrogen carrier gas into the roasted room of cooling device 30.The use of temporary storage tank 43 can make the supply gas pressure of carrier gas It is more stable.The nitrogen selects purity to reach analytically pure food-grade nitrogen, purity can also be selected to reach 99% or more Food-grade nitrogen is understood to be above-mentioned high pure nitrogen.The nitrogen can also be substituted by argon gas or helium, hereafter be united Claim carrier gas.

Wherein, the vacuum plant 50, vacuum environment needed for being adapted to provide for food baking.The vacuum plant 50, such as Shown in Fig. 1, Fig. 6, including filter 51, vacuum pump 52.Filter 51 is adapted to filter out the load being discharged out of apparatus for baking roasted room The mist of oil and particulate matter being mixed in gas, vacuum ring needed for vacuum pump 52 is suitable for maintaining baked goods in the roasted room of apparatus for baking Border, i.e. vacuum condition.The input port for being suitable for carrier gas input of filter 51 and prisoner's gas head 24 are suitable between the delivery outlet of carrier gas output It is connected in a sealing fashion by pump-line, which can be selected metal bellows.What the apparatus for baking was configured Lambda sensor can be assembled in the pump-line, be adapted to detect for the oxygen content of carrier gas be discharged, and bake indoor sky with judgement Whether there is or not be fully drained or air has in undirected roasted room and leaks gas.

Wherein, the circulator 60, suitable for driving carrier gas in cooling chamber to circulate with cooling food.The circulation dress 60 are set, as shown in Fig. 1, Figure 13, including heat exchanger 61 and circulating pump 62.Heat exchanger 61 be suitable for will the temperature that be flowed out from cooling chamber compared with High carrier gas and the air heat-exchange cooling lower carrier gas of formation temperature, circulating pump 62 are suitable for the lower carrier gas suction row of the temperature Enter in cooling chamber.Pass through pipe between the input port for being suitable for carrier gas input of heat exchanger 61 and the delivery outlet in cooling device inside exhaust pipe road Road is connected in a sealing fashion, and the 4th solenoid valve D4 is assembled in the pipeline, and the 4th solenoid valve D4 is located at the input port of heat exchanger 61 Side.Heat exchanger 61 be suitable for carrier gas output delivery outlet and circulating pump 62 be suitable for carrier gas input input port between by pipeline with Sealing means connection, the delivery outlet for being suitable for carrier gas outflow and cold wind of circulating pump 62 are spilt between the input port suitable for carrier gas input of head It is connected in a sealing fashion by gas pipeline.The exhaust prisoner bucket, heat exchanger, circulating pump, cold wind spill head and constitute cooling chamber Carrier gas circulation circulation stream, the load air flow rate of circulation stream can be adjusted by the aperture of the 4th solenoid valve D4 Section.It is arranged by the exhaust being connected in pipeline between the delivery outlet in cooling device inside exhaust pipe road and the 4th solenoid valve D4 Road is vented outwards suitable for cooling device as shown in figure 13, so that the carrier gas of feeder conveying gradually substitutes the load of part circulation Gas further decreases the oxygen content of carrier gas in cooling chamber.The 5th solenoid valve D5 is assembled in discharge bypass, to control by the exhaust The circulation on road blocks circulation and extraction flow.It should be noted that the heat exchanger 61, circulating pump 62 can be set in cooling The outside of device 30 forms the structure of separate type；Heat exchanger 61, circulating pump 62 can also be integrated with cooling device 30, constitute one Body formula structure.

Cooling indoor carrier gas is discharged into heat exchanger 61 through exhaust pipe from exhaust prisoner bucket 33, after the heat exchange cooling of heat exchanger 61 The lower carrier gas of formation temperature (abbreviation cold wind) is aspirated through circulating pump 62 and is exerted a force, and the lower cold carrier gas of temperature flows into cold wind and spills head 32, it is split in cold wind chamber 321, cold carrier gas flows downward from the cold-wind nozzle 322 being located on 321 lower end surface of cold wind chamber respectively, Flow direction is placed in the food in cold support roasting 31, and the lower carrier gas of temperature flows from the top to the bottom, and comforts food, carries the heat that food distributes Quantitative change is at the higher carrier gas of temperature, which is placed through the cold mesh eyes entrusted on 31 and flows downwards, the higher load of temperature Air-flow to the opening for being located at 33 tops of exhaust prisoner's bucket, carrier gas through exhaust prisoner bucket 33, in exhaust pipe inflow heat exchanger 61, temperature compared with High carrier gas exchanges heat through heat exchanger 61 to cool down, and the lower cold carrier gas of formation temperature, cold carrier gas exert a force back through the suction of circulating pump 62 It flows to cold wind to spill in first 32, then spills the outflow of the cold-wind nozzle on first 32 through cold wind, flowed to food to be cooled, cooling indoor load Gas so recycles, and carries the heat of food, and food is cooled, stops when the temperature of food drops to technological temperature.

Wherein, the control device 70 is the data processing dress with data acquisition function, calculation function, store function It sets, is configured with the network module suitable for networking, can be made of, can also be made of PLC single-chip microcontroller, or by industry control mechanism At for the prior art, this will not be detailed here.

Wherein, the controlling terminal 80 is the mobile device with networking function and data processing function, can be intelligence Energy mobile phone, tablet computer, are also possible to special hand-held device.Mobile device is built-in with client software, is suitable for and control device Establish network connection, remote control control device 70, setting baking process and setting technological parameter.Controlling terminal 80 is existing Technical products, this will not be detailed here.

Further, the gas separating port 22 is in the plate structure of plane, as shown in figure 3, figure 4 and figure 5, direction along the horizontal plane It is horizontally disposed.Gas separating port 22, as shown in Fig. 4, Fig. 7, including the isocon 221, along the horizontal plane for being suitable for shunting inputted carrier gas The horizontally disposed multiple diversion pipes 222 being parallel to each other in direction, diversion pipe 222 are arranged along the horizontal.It is set on the isocon 221 The multiple delivery outlets positioned at lower end being connected positioned at the input port of upper end, with the input port for being suitable for carrier gas input are set, are used for The carrier gas uniform divided flows that will be inputted are transferred to respectively in each diversion pipe 222.It is set on diversion pipe 222 positioned at its top Input port suitable for carrier gas input.The input port for being suitable for gas input of each diversion pipe 222 is defeated with isocon 221 Outlet sealing circulation respectively, is set multiple gas nozzles 223 positioned at its lower end surface on diversion pipe 222, the gas outlet of gas nozzle 223 with It asks roasting band 21 opposite, holds in the palm roasting band 21 suitable for the carrier gas in diversion pipe 222 to be shunted to and guided flow direction, the food on roasting band 21 will be held in the palm The trace metal ion gas of volatile substance, roasted room vaporization at high temperature that product are volatilized is taken away in time, discharges, favorably reduces food Middle Oxidation of Fat and Oils.The delivery outlet of the pressure reducing valve 44 of the feeder 40 is close by the input port of gas pipeline and isocon 221 Envelope connection, carrier gas is transported in gas separating port 22, and the 1st solenoid valve D1 is assembled in the gas pipeline, is supplied for controlling Device of air 40 inputs carrier gas into the roasted room of apparatus for baking 20, stops delivery of carrier gas and adjusts the feed flow of carrier gas.Water conservancy diversion The lateral arrangement in the direction along the horizontal plane of pipe 222, and be equidistantly uniformly distributed along longitudinal direction, as shown in Fig. 4, Fig. 7, each diversion pipe 222 are connected to the input port for being located at 22 top of gas separating port respectively, suitable for carrier gas to be diverted in each diversion pipe 222.Gas nozzle 223 It is arranged on the bottom face of diversion pipe 222, gas nozzle 223 is connected to diversion pipe 222, and the gas nozzle 223 on each branch diversion pipe 222 can be with For plane, the gas outlet of gas nozzle 223 and the roasting band 21 of support are opposite, and covering, which is held in the palm, bakes band 21, suitable for passing through the carrier gas in diversion pipe 222 Gas nozzle 223 blows to the roasting band 21 of support, and carrier gas stream is uniformly distributed, and flow direction is placed on each piece of food held in the palm on roasting band 21 respectively.With water conservancy diversion The gas nozzle 223 that pipe 222 is connected along the diversion pipe 222 trend (i.e. laterally) equidistantly distributed, as shown in fig. 7, with by carrier gas It shunts, makes being more evenly distributed for carrier gas stream.Further, the middle part of diversion pipe 222 is set inputs suitable for carrier gas Input port, the pressure drop difference in diversion pipe 222 is advantageously reduced, so that carrier gas flux and flow velocity that each gas nozzle 223 is flowed out Quite, improve the uniformity of carrier gas stream distribution, advantageous food is uniformly toasted, air-dried, it is ensured that food, such as walnut cake, biscuit, purple Dry, potato chips of potato etc., the consistency of quality keep crispy texture more preferable if crisp brittleness, crisp uniformity are improved.As one The optional mode of kind holds in the palm and respectively corresponds one gas nozzle 223 of setting above every piece of food on roasting band 21, in this way, every piece of food Carrier gas operating condition it is suitable, favorably ensure the consistency of food quality.

Further, prisoner's gas head 24 is in the plate structure of plane, and as shown in figure 3, figure 4 and figure 5, prisoner's gas head 24 is served as reasons The shell structure that thin-walled is constituted, can be in bulk.It is set on the top end face of prisoner's gas head 24 multiple suitable for the annular in shape of carrier gas inflow Prisoner's stomata 242, internal setting along the horizontal plane the horizontally disposed diversion cavity 241 in direction, setting is adapted to be vented on bottom face The exhaust outlet 243 of pipeline, as shown in Fig. 3, Figure 10.Captureing stomata 242 is preferably annular shape, and when baking, indoor vacuum degree is lower When, initial stage is such as vacuumized, advantageous reduce generates eddy flow at prisoner's stomata 242 when vacuum pump vacuumizes, so as to bake indoor carrier gas Air-flow is uniformly distributed.The exhaust outlet 243 of prisoner's gas head 24 is connected with one end of the exhaust pipe of apparatus for baking, the exhaust pipe The other end is connected with the input port of the filter 51 of vacuum plant by pump-line in a sealing fashion, is suitable for vacuum plant pair Roasted room vacuumizes, and the 3rd solenoid valve D3 is assembled in the pump-line, vacuumizes and block pumping is true to hold suitable for control, and change valve The vacuum degree of aperture adjustment roasted room.Prisoner's stomata 242 is arranged on the top end face of prisoner's gas head 24, is connected with diversion cavity 241, is captureed Stomata 242 along longitudinal direction, it is laterally uniform, as shown in Figure 10, prisoner's stomata 242 embark on journey distribution, at column distribution, it is capable and in the ranks etc. between Away from equidistantly distributed between distribution, column and column.The air inlet for captureing stomata 242 is oppositely arranged with roasting band is held in the palm, convenient for flowing from the top to the bottom Carrier gas flow into prisoner stomata.The use of carrier gas, it is timely conducive to the micro metal ion gas for going out 20 vaporization at high temperature of apparatus for baking It takes roasted room out of outside, in time to take the grease that food high temperature volatilizees outside roasted room in time out of, i.e., is waved baking by carrier gas vacuum plant Hair object takes roasted room out of in time, and metal catalytic hydroperoxidation reaction occurs for the grease being favorably further reduced in food, reduces harmful The generation of oxidation deterioration substance.It should be noted that prisoner's gas head 24 can also be by when not high to baking uniformity requirement Funnelform exhaust apparatus is substituted, as shown in figure 5, can also be expelled directly out using gas vent.

Further, the cold wind spill first 32 be in plane tabular shell structure, as shown in figs. 13 and 14, cold wind spills head 32 along the horizontal plane direction it is horizontally disposed, area can cover it is cold entrust 31, positioned at it is cold entrust 31 surface.Cold wind spills first 32 Can be the shell structure that is made of thin-walled, as shown in Figure 13, Figure 15, cold wind spill be equipped in the middle part of first 32 top end face it is suitable It is suitable for the cold wind chamber that cold wind circulation and carrier gas shunt in the input port that carrier gas and circulating carried (i.e. cold wind) flow into, internal setting 321, the cold-wind nozzle 322 suitable for the cold wind outflow in cold wind chamber 321 is provided on bottom face, the delivery outlet of cold-wind nozzle 322 is downward Arrangement, cold wind chamber 321 are horizontally disposed in horizontal plane direction.Positioned at cold wind spill the blowing mouth in the middle part of first 32 top end face by pipeline with The delivery outlet of circulating pump 62 is connected.Cold-wind nozzle 322, as shown in figure 15, on the bottom face that cold wind spills first 32 respectively transversely It is equidistantly uniformly distributed, is longitudinally equidistantly uniformly distributed, the cold wind outlet of cold-wind nozzle 322 is arranged downwards, entrusts 31 positives with cold It is right, it is flowed from the cold wind that cold-wind nozzle 322 flows out to the cold food entrusted on 31 is placed in.Cold wind spills first 32 pairs of carrier gas and circulating carried Shunt and guide flow to it is cold entrust 31, carrier gas stream is uniformly distributed, and each food is identical from the heat taken away by carrier gas stream, is had The cooling of benefit each food constant speed, etc. rates volatilize moisture, improve the quality of food, food made to keep good crisp brittleness, and Crisp uniformity, favorably improves mouthfeel.

Further, the exhaust prisoner bucket 33, as shown in figure 14, for the structure funnel-shaped surrounded by side wall, top End opening is flowed into suitable for carrier gas, and lower end is equipped with the delivery outlet for being suitable for carrier gas outflow, which passes through exhaust pipe and heat exchanger 61 input port connection.Adjust the input flow rate of the aperture regulation carrier gas of the 2nd solenoid valve D2 and opening for the 4th solenoid valve D4 of adjustment Degree adjusts circulating carried flow, to adjust the pressure of cooling chamber, makes the pressure of cooling chamber slightly larger than atmospheric pressure, cooling chamber is kept Air infiltration can be effectively avoided in positive pressure, reduces the content of the rotten object of food Oxidation of Fat and Oils.The top end opening of exhaust prisoner bucket 33 With it is cold entrust it is 31 just opposite, the area of the top end opening be greater than it is cold entrust 31 area, the top end opening of exhaust prisoner bucket 33 covers entirely Gai Leng entrusts 31, is conducive to carrier gas and flows into exhaust prisoner bucket 33, through exhaust pipe inflow heat exchanger 61, it is often more important that can keep away Exempt from carrier gas and forms turbulent flow below 31 in cold entrust, uniformity that is close and influencing the cold carrier gas stream distribution for entrusting 31 tops, thus It is uniformly cooled food, it is ensured that the consistency of food crisp brittleness.

Controlling terminal 80 is established by Internet of Things and control device 70 and is communicated to connect, and controlling terminal 80 and control device are suitable for Mutual data transmission between 70.The baking being adapted with food to be baked can be set in 80 remote control control device 70 of controlling terminal Curing process can also be debugged and be manually operated with 70 pairs of baking systems of remote control control device.The baking process includes The setting value of predetermined vacuum degree, the setting value for emptying reference point and the carrier gas parameter joined with time correlation, dry at baking vacuum degree Roasting temperature, the setting value of cooling temperature.The carrier gas parameter includes vacuum pump start and stop state, circulating pump start and stop state, the 1st electromagnetism Valve opening and closing and aperture state, the opening and closing of the 2nd solenoid valve and aperture state, the opening and closing of the 3rd solenoid valve and aperture state, the 4th solenoid valve are opened It closes and aperture state, the 5th solenoid valve are opened and closed and the setting value of aperture state.Wherein predetermined vacuum degree for characterize it is roasting before treat baking Roasting product carry out condition of high vacuum degree required for vacuum boiling expanding treatment, such as can be with 50 pa of value, then at room temperature, the water of food Divide ebullition, gasification the experiment has found that the vacuum degree of vacuum boiling expanding treatment is higher, and moisture vaporization is fiercer in food, food Vacuum puffed rate is higher, and the crisp brittleness of food is also better, but with the raising of vacuum degree, cost is quicklyd increase.Food vacuum Expanding treatment step of boiling is optional baking technique, and the crisp brittleness of institute's baked food can be made to be improved, and food is more crisp, Mouthfeel is more preferably.

The 1st gate 26 for manipulating apparatus for baking 20 is opened, and manipulation conveying device 10, apparatus for baking 20 are by food to be baked It is transferred in the roasted room of apparatus for baking 20, the 1st gate 26 of manipulation is closed.Manipulation and control terminal 80 is manipulated by controlling terminal 80 The baking process that the setting of control device 70 is adapted with food to be baked.Based on the baking process being set, control device 70 is grasped It controls baking system and vacuum boiling expanding treatment (this is optional technique) first is carried out, then with carrier gas to food to be baked Baked goods and the cooling food in carrier gas environment in vacuum environment.Control device 70 is based on baking process and obtains current operation ginseng Several setting values operates baking system, suitable for manipulating the vacuum of the 3rd solenoid valve D3 movement circulation, manipulation vacuum plant Apparatus for baking is baked the suction discharge of indoor air by pump startup, and roasted room is evacuated, with vacuum needed for obtaining baked goods Condition.Control device 70 is suitable for obtaining the measured value of vacuum meter 91, and the measured value that gauge 91 is fed back is less than in baking process Predetermined vacuum when spending, i.e., high vacuum condition, such as vacuum degree needed for carrying out vacuum boiling extrusion pretreatment to food before baking Reach 50 pas, at room temperature, moisture ebullition, gasification contained by food simultaneously expands, and food surface pressure is low, close to zero, eats Gas is formed in product, is expanded by vacuum gasifying, the expansion rate of food is improved, under the vacuum condition, when keeping preset Between section, so that food is sufficiently gasified expansion, so that the roasted food of institute is more crisp, crisp uniformity is more preferable.Food is by vacuum boiling After extrusion pretreatment, control device 70 manipulates the 1st solenoid valve D1 and circulates the delivery of carrier gas into roasted room, drops the vacuum degree of roasted room It is low, when the measured value that gauge 91 is fed back reaches the setting value of the baking vacuum degree obtained from baking process, such as reach 1500 Pa, the manipulation starting heating of apparatus for baking 20, the baked goods in the vacuum environment with carrier gas.Control device 70 obtains the 1st temperature The measured value for the temperature that sensor 92 detects and the setting value of the baking temperature obtained from baking process are spent, apparatus for baking 20 is manipulated Adjustment heating so that the measured value of temperature reaches setting value, by the baking temperature of setting in vacuum environment baked goods, until It completes to stop when the baking of food.After starting baking, control device 70 can manipulate the 2nd solenoid valve D2 and act to cooling device 30 Cooling chamber in delivery of carrier gas, the 5th solenoid valve D5 of manipulation opens circulation to be vented outwards, the cooling indoor air of discharge；It is based on The measured value that lambda sensor 93 is fed back manipulates the 2nd solenoid valve D2 when the judgement that the air made in cooling chamber is fully drained Movement reduces valve opening, and food is waited to move into.During baking, carrier gas is in time by the trace metal ion gas of roasted room vaporization at high temperature It takes out of outside roasted room, the grease in time by food high temperature volatilization is taken out of outside roasted room in time, the grease being favorably further reduced in food High-temperature oxydation and metal catalytic hydroperoxidation reaction occurs, reduces the generation of oxidation deterioration substance harmful to health.Food is complete After baking, control device 70 is suitable for the 3rd solenoid valve D3 of manipulation and closes, manipulates the stopping of vacuum pump 52, what gauge 91 was fed back When measured value reaches set pressure value, when such as standard atmospheric pressure, the 2nd gate 27 of manipulation is opened, manipulation apparatus for baking 20, cold But the food for completing baking is transferred in cooling chamber by device 30, and the 2nd gate 27 of manipulation is closed；Based on baking process, manipulation the 4th Solenoid valve D4 opens circulation, and manipulation circulating pump 62 starts, bakes indoor carrier gas and circulate heat exchange, and the food for completing baking is carrying It is cooling in the circulating current that gas is constituted, it obtains the measured temperature of the 2nd temperature sensor 94 feedback and is obtained from baking process Cooling temperature setting value, the 4th solenoid valve D4 of manipulation adjusts valve opening, when measured temperature is less than setting by valve opening tune It is small, on the contrary it tunes up, so that the measured value of temperature is consistent with setting value, cooled down by the set temperature in baking process；Until The measured temperature of 2nd temperature sensor 94 feedback stops when being less than the setting value in baking process, completes the cooling of food, so far Complete the baking of food.The baking system during baked food, control device 70 by the solenoid valve block state for the system that is baked, Sensor group state, carrier gas parameter state, roasted room pressure, roasted room temperature value, cooling room temperature are given by Internet of Things Real-time Feedback Controlling terminal 80, and shown in controlling terminal 80, facilitate user to understand the operation conditions of food baking system in real time, with determination Whether need to carry out manual operation and baking process is modified.Technologist can be that more set grilling apparatus are formulated with the period Technique, testing and measuring technology and manual operation grilling apparatus, without execute-in-place, then debug, be arranged be more convenient, it is more efficient, It is also advantageous to realize centralized management control.The baked goods in the vacuum environment with carrier gas, the atmospheric pressure that food is born is small, no Easy to harden, the crisp brittleness of roasted product and crisp uniformity improve in which may be significantly；Food to be baked is carried out before roasting Vacuum boiling expanding treatment, the moisture ebullition, gasification in food, shape stomata is inflated in food, and the expansion rate of food is mentioned The crisp brittleness of height, institute's baked food is further significantly improved, and food hardness can reduce by 15% or more.Carrier gas is arranged in time The grease of food volatilization, trace metal ion gas of roasted room volatilization etc. toast volatile matter out, and the grease in food is difficult to happen oxygen Change reaction, the rotten object of Oxidation of Fat and Oils and oxygen less residue, are conducive to the preservation of food, the shelf-life of food can be improved in food 0.5-1 times, or even the longer time.The content of the rotten object of Oxidation of Fat and Oils in food is few, is more favorable to health.

Further, in order to avoid the carrier gas flowed out from gas nozzle 223 generates turbulent flow, carrier gas stream is made to be evenly distributed, it is ensured that food The consistency of product quality, especially crisp uniformity need in gas separating port 22 and setting between roasting band 21 are ask to be suitable for stream and current stabilization Stream grid 23, stream grid 23 mutually fixed with gas separating port 22.It is described to flow grid 23, as shown in Fig. 3, Fig. 4, Fig. 8, including Lateral homogenizing plate 231 and longitudinal homogenizing plate 232.The transverse direction homogenizing plate 231, it is equidistant uniform along longitudinal direction as shown in Fig. 3, Fig. 8 Distribution, lateral homogenizing plate 231 is mutually perpendicular with horizontal plane side, i.e., perpendicular with the bottom face of gas separating port 22, it will be appreciated that for laterally Homogenizing plate 231 is arranged in a vertical direction；Longitudinal homogenizing plate 232 is transversely equidistantly uniformly distributed as shown in Fig. 3, Fig. 9, longitudinal Homogenizing plate 232 and horizontal plane direction are perpendicular, i.e., perpendicular with the bottom face of gas separating port 22, it will be appreciated that for longitudinal homogenizing plate 232 It is arranged in a vertical direction.The transverse direction homogenizing plate 231 is intertwined and fixes with longitudinal homogenizing plate 232, forms " well " shape Lattice structure blows suitable for forcing the carrier gas flowed out from gas nozzle 223 to flow downward along the grid for flowing grid and penetrates food, to keep away The carrier gas for exempting from the outflow of gas nozzle 223 generates the component flowed in the horizontal direction, or even generates turbulent flow, keeps the Flow Field Distribution of carrier gas more equal It is even, with ensure under carrier gas environment roasted food quality uniformity it is more preferable, such as color evenness, crisp uniformity, mention High mouthfeel, the really up to the mark, poor taste to avoid the food that has.For the disturbance for overcoming the roasted room wall of apparatus for baking 20 raw to carrier gas miscarriage It influences, spoiler 233 is respectively set in the surrounding avris for flowing grid 23, as shown in Fig. 3, Fig. 8, spoiler 233 is along vertical side To arrangement, the lower end of spoiler 233 is relative to the upper end inclination (i.e. for the middle part for flowing grid 23) outward.Positioned at equal The head and the tail for flowing four pieces of spoilers 233 of 23 4 avris of grid are in turn connected to form apron shape structure, as shown in figure 3, the apron shape The opening inside diameter of the big upper end of the opening inside diameter of the lower end of structure.Further, it is found based on a large amount of practical data analysis, works as resistance The lower end of flowing plate 233 is inclined outwardly 11-18 along the vertical direction when spending, and when special 13-14 is spent, the roasted room wall of apparatus for baking is to dividing gas The first equally distributed influence of 22 air-flow is minimum, and the periphery of gas separating port 22 is formed without apparent turbulent flow, the carrier gas that gas separating port 22 flows out Air-flow is more evenly distributed, and is conducive to improve the crisp uniformity of food.

Further, it is uniformly distributed generation disturbing influence in order to reduce the suction carrier gas of prisoner's gas head 24 to carrier gas stream, destroyed The uniformity of carrier gas stream distribution, it is ensured that the consistency of food quality, especially crisp uniformity then need holding in the palm roasting band 21 and prisoner Setting obstructs grid 25 between gas head 24, as shown in Fig. 3, Figure 11.It obstructs grid 25 and prisoner's gas head 24 is fixed, close to the roasting band 21 of support Side, positioned at prisoner gas head 24 surface.Described to obstruct grid 25, as shown in Fig. 3, Figure 11, including transverse arrest is disturbed plate 251 and is indulged Obstruct plate 252.The transverse arrest disturbs plate 251, and as shown in Fig. 3, Figure 11, lateral arrangement, equidistant uniform along longitudinal direction in the horizontal direction Distribution, transverse arrest disturbs plate 251 and horizontal plane direction is perpendicular, it will be appreciated that disturbs plate 251 for transverse arrest and is arranged in a vertical direction；The vertical resistance Plate 252 is disturbed, as shown in figure 12, arranges, is distributed along longitudinal direction in the horizontal direction, be transversely equidistantly uniformly distributed, it is vertical to obstruct plate 252 It is perpendicular with horizontal plane direction, it will be appreciated that obstruct plate 252 to be vertical and be arranged in a vertical direction.The transverse arrest is disturbed plate 251 and is obstructed with vertical Plate 252 is intertwined, and fixed, forms the grid of " well " shape, asks the netted hole of roasting band 21 defluent suitable for guiding to pass through Carrier gas flows downward, flow direction prisoner's gas head 24, flows into prisoner's stomata 242, and gas head 24 of being captured is captured and by exhaust pipe by vacuum pump Suction discharge.When carrier gas can be captured to avoid prisoner's suction of gas head 24 by obstructing the use of grid 25, especially when vacuum degree is lower, such as Vacuumize initial stage roasting room pressure it is higher when, since vacuum pump vacuumizes, the throughput of pumping exhaust is big, gas velocity is high, respectively The flow resistance difference of a prisoner's stomata 242 leads to the flow path overbending of carrier gas, or even generates turbulent flow, will destroy carrier gas stream distribution Uniformity is uniformly distributed generation disturbing influence closely and to the carrier gas stream between gas separating port 22 and the roasting band 21 of support, destroys air-flow Turbulent flow can be generated in the air-flow of uniformity or even gas nozzle 223 outflow of distribution, the uniform of food is influenced and air-dries, lead to food product The uniformity (i.e. consistency) of matter is deteriorated.The setting for obstructing grid 25 can make gas separating port 22, hold in the palm between roasting band 21, prisoner's gas head 24 The uniformity of carrier gas stream be further improved so that in the vacuum environment with carrier gas roasted food quality one Cause property is more preferable, such as crisp uniformity, color evenness is more preferable, and to improve mouthfeel, the food being effectively prevented from is excessively hard, has Food it is excessively crisp, some by owe coloring, some by cross is coloured, the yields of food mentions raising.In addition, being dried to overcome The air-flow that the roasted room wall of roasting device 20 captures gas to prisoner's gas head 24 generates disturbing influence, influences air-flow and is uniformly distributed, is obstructing Current limiting plate 253 is respectively set in the surrounding avris of grid 25, and as shown in Fig. 3, Figure 12, current limiting plate 253 is in the plate of long strip type, along perpendicular Histogram is to setting, and the upper end of current limiting plate 253 is relative to the lower end inclination (relative to the central part for obstructing grid 25) outward.Four pieces of limits The head and the tail of flowing plate 253 are in turn connected to form in the apron shape structure stood upside down, as shown in Fig. 3, Figure 12, what current limiting plate 253 was constituted The upper end opening of apron shape structure is greater than its lower ending opening, is conducive to carrier gas to be discharged and flows into prisoner's discharge of gas head 24.Based on big The Experimental comparison of amount has found, when the upper end side of current limiting plate 253 is spent relative to vertical direction outer incline 20-26, special 22-24 degree When, the roasted room wall of apparatus for baking 20 is minimum to the equally distributed disturbing influence of carrier gas stream, capture at the surrounding avris of gas head 24 without Apparent turbulent flow is formed, and the uniformity of the carrier gas stream in the region is preferable, and correspondingly, suction prisoner's gas of prisoner's gas head 24 is to gas separating port It influences also further to be reduced caused by 22, the carrier gas stream distribution that gas separating port 22 flows out uniformly obtains further It is effectively improved.

It should be noted that being uniformly distributed to obtain to make cold wind spill the carrier gas stream between first 32 and exhaust prisoner bucket 33 Further to improve, food is uniformly cooled, air-dries, it is ensured that the consistency of quality, especially crisp uniformity then can be in cold wind Spill first 32 and it is cold entrust be arranged between 31 above-mentioned stream grid, can it is cold entrust 31 and exhaust prisoner bucket 33 between be arranged it is above-mentioned Obstruct grid.

Embodiment

The walnut cake example illustrates the roasted 2 batch walnut cake of institute, raw material charge ratio, the manufacture craft of the 2 batch walnut cake altogether It is all the same, it is not added with preservative, is toasted and is cooled down using above-mentioned food intelligent vacuum baking system.1st batch peach Shortcake toasts in air environment, is cooling, and vacuum packaging is sealed in air environment, selects 10 pieces at random from the roasted walnut cake of institute Walnut cake sample gives over to test, wherein 5 pieces of samples give over to retention cycle test, another 5 pieces of samples do the rotten object of Oxidation of Fat and Oils and hardness Test；2nd batch walnut cake is toasted in the vacuum environment with carrier gas and cooling, and vacuum packaging is sealed under air environment, 10 pieces of walnut cake samples are selected at random from the roasted walnut cake of institute and give over to test, are tested wherein 5 pieces of samples give over to retention cycle, another 5 Block sample makees the rotten object of Oxidation of Fat and Oils and hardness test.Oxidation of Fat and Oils in relation to sample goes bad object content, hardness test situation, such as Shown in table one；The test case of retention cycle in relation to sample, as shown in following table two.Wherein, right for the needs of data processing Go bad object, hardness of Oxidation of Fat and Oils has made normalized respectively.

Table one: the Oxidation of Fat and Oils of walnut cake sample rotten object, hardness test situation

Note: the content of oil oxide does normalized, the hardness of walnut cake based on #11-1 sample in walnut cake Normalized is done based on #11-1 sample

The data of table one show that the degree of oxidation that the grease in roasted walnut cake sample is carried out in air environment is larger, The content of the rotten object of the Oxidation of Fat and Oils of sample is higher, and is carried out in roasted walnut cake sample in the vacuum environment with carrier gas The degree of oxidation of grease significantly reduces, and the content of the rotten object of the Oxidation of Fat and Oils in sample is very low, is baked in air environment Walnut cake sample compare, the Oxidation of Fat and Oils in the vacuum environment with carrier gas in roasted walnut cake sample go bad object content drop Low 90% or more, not as good as 10% of roasted walnut cake sample in air environment, thus the oxygen uptake ability of walnut cake is greatly reduced, It is more advantageous to the preservation of walnut cake, the shelf-life can be longer；On the other hand, the reduction of the rotten object content of Oxidation of Fat and Oils, is more advantageous to Health.

The data of table one also show that the hardness of roasted walnut cake sample is larger in air environment, and with carrier gas The hardness that roasted walnut cake sample is carried out in vacuum environment significantly reduces, compared with walnut cake sample roasted in air environment, Less than institute roasted 85% in air environment, the crisp brittleness of walnut cake sample obtains the hardness of roasted walnut cake sample in vacuum environment Improve to significant.It illustrates, the vacuum boiling expanding treatment before vacuum bakeout can effectively improve food crisp brittleness.

Table two: the test case of the shelf-life of walnut cake sample

Data in table two are shown, are toasted in air environment, cooling 5 pieces of prepared walnut cake samples, in air environment Middle vacuum packaging, the shelf-life of 5 pieces of walnut cake samples, the shelf-life that is averaged was 92.8 days at 84-112 days；With nitrogen carrier gas Vacuum environment in toast 5 pieces of prepared walnut cake samples, be vacuum-packed in air environment, which guarantees the quality Phase is 168-208 days, and the shelf-life that is averaged is 186.6 days.I.e. in the vacuum environment with nitrogen carrier gas roasted walnut cake Shelf-life is increased to the 2 times or more of former shelf-life, i.e. the shelf-life improves 1 times or more, and the shelf-life has obtained significant raising.

The biscuit example illustrates the roasted 2 batch biscuit of institute altogether, and the raw material ratio of each batch biscuit, manufacture craft are homogeneous Together, it is not added with preservative, is toasted and is cooled down using above-mentioned food intelligent vacuum baking system.1st batch biscuit exists It is toasted in air environment, is cooling, vacuum packaging is sealed in air environment, selecting 10 pieces of biscuits at random from the roasted biscuit of institute Sample, wherein 5 pieces of samples give over to retention cycle test, another 5 pieces of samples make the rotten object of Oxidation of Fat and Oils and hardness test；2nd batch Biscuit toasts in the vacuum environment with nitrogen carrier gas and cooling, and vacuum packaging is sealed in air environment, roasted from institute 10 pieces of biscuit samples are selected in biscuit at random, wherein 5 pieces of samples give over to retention cycle test, another 5 pieces of samples make Oxidation of Fat and Oils change Matter object and hardness test.Test case in relation to the rotten object content of sample Oxidation of Fat and Oils and hardness, as shown in Table 3；Related sample Retention cycle test case, as shown in following table four.Wherein, for data processing needs, go bad object, hardness to Oxidation of Fat and Oils Normalized is made respectively.

Table three: the Oxidation of Fat and Oils of biscuit sample rotten object content, hardness test situation

Note: the go bad content of object of Oxidation of Fat and Oils does normalized based on #31-1 sample in biscuit, biscuit it is hard Degree does normalized based on #31-1 sample

The data of table three show that the degree of oxidation that the grease in roasted biscuit sample is carried out in air environment is larger, The content of the rotten object of the Oxidation of Fat and Oils of sample is higher, and is carried out in roasted biscuit sample in the vacuum environment with carrier gas The degree of oxidation of grease significantly reduces, and the content of the rotten object of the Oxidation of Fat and Oils in sample is very low, is baked in air environment Biscuit sample compare, the Oxidation of Fat and Oils in the vacuum environment with carrier gas in roasted biscuit sample go bad object content drop Low 90% or more, not as good as 10% of roasted biscuit sample in air environment, thus the oxygen uptake ability of biscuit is greatly reduced, It is more advantageous to the preservation of biscuit, the shelf-life can be longer；On the other hand, the reduction of the rotten object content of Oxidation of Fat and Oils, is just conducive to Health.

The data of table three also show that the hardness of roasted biscuit sample is larger in air environment, and with carrier gas The hardness that roasted biscuit sample is carried out in vacuum environment significantly reduces, compared with biscuit sample roasted in air environment, Less than institute roasted 85% in air environment, the crisp brittleness of biscuit sample obtains the hardness of roasted biscuit sample in vacuum environment Improve to significant.It also illustrates, the vacuum boiling expanding treatment before vacuum bakeout can effectively improve food crisp brittleness.

Table four: the test case of the shelf-life of biscuit sample

Data in table four are shown, are toasted in air environment, cooling 5 pieces of prepared biscuit samples, in air environment Middle vacuum packaging, the shelf-life of 5 pieces of biscuit samples, the shelf-life that is averaged was 94.0 days at 86-109 days；With nitrogen carrier gas Vacuum environment in toast 5 pieces of prepared biscuit samples, be vacuum-packed in air environment, which guarantees the quality Phase is 172-205 days, and the shelf-life that is averaged is 186.6 days.I.e. in the vacuum environment with nitrogen carrier gas roasted biscuit Shelf-life is increased to the 2 times or more of former shelf-life, i.e. the shelf-life improves 1 times or more, and the shelf-life has obtained significant raising.

It is above-mentioned mainly by taking walnut cake and biscuit as an example to food intelligent vacuum baking system institute baked food technical parameter into Row comparative illustration, in addition, food intelligent vacuum baking system is further adapted for being baked the crisp food of stemness such as the dry, potato chips of purple sweet potato.It dries Before roasting, food to be baked is subjected to vacuum boiling expanding treatment, the moisture vacuum boiling gasification in food, food is boiled swollen Change, improves the crisp brittleness of food.The baking and cooling of food carry out in the vacuum environment with carrier gas, and food is dried in carrier gas Grease and the trace metal ion gas of roasted room vaporization at high temperature of roasting volatilization etc. toast volatile matter and are discharged in time, and food is separated by with air From the grease in food is difficult to happen oxidation and the life of metal Cui oxidation and endangers the rotten object of healthy Oxidation of Fat and Oils, food The oxygen uptake ability of product is lowered, and the oxygen residual quantity in food is lower, the extension of advantageous effective period of food quality.

The food of the prior art is toasted in air environment, for the crisp brittleness for improving food, it is necessary to a large amount of oil be added Rouge and swelling agent reduce the hardened rate of food, improve the crisp brittleness of food.Baking temperature is up to 190 DEG C, even higher, food In the direct ingress of air of grease, the trace metal ion gas of roasted room vaporization at high temperature, such as Fe, Cu, Mn, Cr metal ion gas, It is catalyzed grease and oxidation reaction occurs.Grease generates oxidation deterioration object, oxidation through high-temperature oxydation and metal catalytic hydroperoxidation reaction Rotten object promotes grease high-temperature oxydation, accelerates the oxidation rate of grease, generates the rotten object of more Oxidation of Fat and Oils harmful to health, Increase the ability of capture food product oxygen, so that oxidative rancidity easily occurs in preservation and goes bad for food, the shelf-life is short, guarantees the quality to improve Phase is short, it is necessary to increase the dosage of preservative.

Compared with prior art, the present invention achieves following beneficial technical effect.

It is baked system by Internet of Things remote control, baking process, tuning parameter, the debugging and manipulation of food-baking are set It is more convenient, more efficient without territory restriction, equipment is also helped by centralized control, debugging；In the vacuum environment with carrier gas Baked goods, the crisp brittleness of food and crisp uniformity are significantly improved；The grease of food volatilization is discharged in time, bakes for carrier gas The trace metal ion gas etc. of room volatilization toasts the air of volatile matter and leakage, and the grease in food is difficult to happen high-temperature oxydation And metal catalytic hydroperoxidation reaction generates oxidation deterioration object；The content of the rotten object of Oxidation of Fat and Oils in food is not as good as conventional baking 10%, the oxygen uptake ability of food is greatly reduced, and is conducive to the health of eater；Oxygen residual quantity in food is extremely low, thus, The roasted food of institute is easier to save, the shelf-life improve 0.5-1 times and its more than.

Vacuum boiling extrusion pretreatment can be carried out to food before baking, in high vacuum environment, if pressure is less than 50 pas, Moisture ebullition, gasification in food, food product form air porous expanded, and food is enhanced by vacuum boiling extruding, expansion rate, institute The crisp brittleness of baked food and crisp uniformity are further improved, and the hardness of food can reduce by 15% or more.

The baking of food is completed in apparatus for baking, and the cooling of food is completed in cooling device, is suitable for continuous production, has Benefit improves production capacity, reduces the energy consumption of unit product.

The basic principles, main features and advantages of the present invention have been shown and described above.

Claims (10)

1. a kind of food intelligent vacuum based on Internet of Things manipulation is baked system characterized by comprising

Feeder is adapted to provide for the carrier gas of inert gas composition, the delivery outlet suitable for carrier gas output is set on feeder；

Apparatus for baking, suitable for the baked goods in the vacuum environment with carrier gas；Roasted room is set in the inside of the apparatus for baking, The roasting band of the support arranged in the horizontal direction for being suitable for carrying food to be baked is set in the roasted room, suitable for carrier gas is shunted directed stream Prisoner's gas head of discharge is sucked to the gas separating port of the roasting band of support, suitable for carrier gas；The delivery outlet warp for being suitable for carrier gas output of feeder The input port sealing for being suitable for carrier gas input of 1st solenoid valve and gas separating port is connected to, the apparatus for baking be assembled be adapted to detect for by 1st temperature sensor of baked goods temperature, the vacuum meter for being adapted to detect for roasted room vacuum degree；

Cooling device is suitable for cooling food, the inside of the cooling device in carrier gas environment and cooling chamber is set, the cooling chamber Inside be set be suitable for carrying food to be cooled arrange in the horizontal direction cold entrust, flow to cold support suitable for carrier gas is shunted guiding The cold wind of band spills head, exhaust prisoner's bucket suitable for carrier gas discharge；The cooling device, which is assembled, is adapted to detect for cooled food temperature The 2nd temperature sensor, being adapted to detect for cooling room air, whether there is or not the lambda sensors being fully drained；The delivery outlet of feeder It is connected to through the 2nd solenoid valve with the input port sealing for being suitable for carrier gas input that cold wind spills head

Vacuum plant, is adapted to provide for vacuum environment, the vacuum plant include be sequentially communicated be adapted to filter out mist of oil and particulate matter Filter and be adapted to provide for the vacuum pump of vacuum environment；The delivery outlet for being suitable for carrier gas discharge of prisoner's gas head is through the 3rd electromagnetism Valve is connected to the sealing of the input port of filter；

Circulator, suitable for driving carrier gas in cooling chamber to circulate with cooling food, the circulator includes being connected Heat exchanger and circulating pump；Input port of the delivery outlet through the 4th solenoid valve and heat exchanger for being suitable for carrier gas discharge of the exhaust prisoner bucket Sealing connection；The delivery outlet for being suitable for carrier gas outflow of circulating pump is connected to the input port sealing that cold wind spills head；

Control device, suitable for toasting food in the vacuum environment with carrier gas based on the baking process manipulation baking system being set Product and the cooling food in carrier gas environment；

Controlling terminal, suitable for being joined with what time correlation joined including carrier gas by Internet of Things remote control control device and setting Amount, baking vacuum degree, the baking technique for being baked temperature；

The food delivery outlet of the apparatus for baking is connected to the sealing of the food input port of cooling device；The food of apparatus for baking inputs The 1st gate is set with sealing means at mouthful, the 3rd gate, the baking is arranged in the food equipped at outlet port of cooling device in a sealing fashion The 2nd gate is set in a sealing fashion between the food delivery outlet of roasting device and the food input port of cooling device；

The control device is suitable for the 3rd solenoid valve of manipulation and opens circulation, manipulation vacuum pump startup, roasted room is vacuumized；Suitable for obtaining The measured value for taking vacuum meter, when the measured value, which is less than the predetermined vacuum in baking technique, spends, the 3rd solenoid valve of manipulation is turned down open Degree, the 1st solenoid valve of manipulation open circulation, and the measured value of the delivery of carrier gas into roasted room, gauge feedback reaches from baking process When the setting value of the baking vacuum degree of acquisition, manipulation apparatus for baking starting heating；The temperature for obtaining the 1st temperature sensor feedback is surveyed The setting value of magnitude and the baking temperature obtained from baking process, manipulation apparatus for baking adjustment heating, so that the measured value of temperature Reach setting value, stops when completing baking；Circulation, the delivery of carrier gas into cooling chamber, manipulation are opened suitable for the 2nd solenoid valve of manipulation 5th solenoid valve opens circulation, and the cooling indoor air of carrier gas discharge is less than emptying reference point when the measurement of lambda sensor feedback When, the 2nd solenoid valve of manipulation turns aperture down；After the completion of food is baked, the 3rd solenoid valve of manipulation is closed, manipulation vacuum pump stops； When the measured value of gauge feedback reaches standard atmospheric pressure, the 2nd gate opening is manipulated, manipulation apparatus for baking, cooling device will The food for completing baking is transferred in cooling chamber from roasted room, manipulates the 2nd closing gate；It manipulates the 4th solenoid valve and opens circulation, manipulation Pump startup is recycled, food is cooling in the circulating current that carrier gas is constituted, until the measured temperature of the 2nd temperature sensor feedback is small Stop when setting value.

2. food intelligent vacuum according to claim 1 is baked system, it is characterised in that: on the top end face of prisoner's gas head Be set multiple prisoner's stomatas annular in shape flowed into suitable for carrier gas, internal setting along the horizontal plane the horizontally disposed diversion cavity in direction, Setting is adapted to the exhaust outlet of exhaust pipe on bottom face.

3. food intelligent vacuum according to claim 2 is baked system, it is characterised in that: the apparatus for baking further includes resistance Grid is disturbed, is arranged between the roasting band of support and prisoner's gas head close to the roasting band side of support, suitable for holding in the palm roasting band and captureing the carrier gas between gas head Air-flow is uniformly distributed；The grid that obstructs at least disturbs plate, transversely equidistantly distributed by the transverse arrest of equidistantly distributed along longitudinal direction It is vertical obstruct plate composition；The transverse arrest disturb plate, it is vertical obstruct plate and be arranged in a vertical direction, the transverse arrest disturbs that plate, vertical to obstruct plate mutual It is formed there through trellis.

4. food intelligent vacuum according to claim 3 is baked system, it is characterised in that: the gas separating port includes being suitable for inciting somebody to action Multiple diversion pipes being parallel to each other of isocon that inputted carrier gas shunts, along the horizontal plane direction arrangement, quilt on the isocon The multiple delivery outlets for being suitable for carrier gas and shunting for being suitable for the input port of carrier gas input, being connected with the input port are set；The shunting The input port of the delivery outlet of pipe and each diversion pipe seals circulation respectively, and multiple gas positioned at its lower end surface are set on diversion pipe Mouth, it is opposite with the roasting band of support, roasting band is held in the palm suitable for the carrier gas in diversion pipe is shunted guiding flow direction.

5. food intelligent vacuum according to claim 4 is baked system, it is characterised in that: the apparatus for baking further include by Stream grid between gas separating port and the roasting band of support is set, close to gas separating port side, suitable for the load between gas separating port and the roasting band of support Gas air-flow is uniformly distributed；The stream grid at least by the lateral homogenizing plate of equidistantly distributed along longitudinal direction, it is transversely equidistant Longitudinal homogenizing plate of distribution is constituted；The transverse direction homogenizing plate, longitudinal homogenizing plate are arranged in a vertical direction, lateral homogenizing plate, longitudinal direction Homogenizing plate is intertwined to form lattice-shaped.

6. food intelligent vacuum according to claim 5 is baked system, it is characterised in that: the cold wind spills plate-like Shell structure, the middle part setting that cold wind spills crown end face is suitable for the input port of carrier gas input, internal setting is arranged in the horizontal direction Cold wind chamber, be arranged on bottom face and multiple to entrust opposite cold-wind nozzle with cold.

7. being baked system according to food intelligent vacuum as claimed in claim 6, it is characterised in that: the exhaust prisoner bucket is to be enclosed by side wall At structure funnel-shaped, top end opening suitable for gas flow into, lower end be equipped be suitable for gas outflow delivery outlet, the output Mouth is connected to one end of the exhaust pipe of cooling device, and the other end of exhaust pipe is connected to the input port of heat exchanger, the 4th electromagnetism Valve is assemblied in the input port side of heat exchanger.

8. food intelligent vacuum according to claim 7 is baked system, it is characterised in that: the feeder includes passing through Pipeline successively seals the air reservoir suitable for storing liquid carrier gas, the gas suitable for liquefied carrier gas gasification to be generated to gaseous state carrier gas of connection Change device, the temporary storage tank suitable for storing gaseous state carrier gas produced by gasifier and the decompression suitable for reducing carrier gas output pressure and pressure stabilizing Valve.

9. food intelligent vacuum described in -8 is baked system according to claim 1, it is characterised in that: the carrier gas parameter includes true Sky pump start and stop state, circulating pump start and stop state, the opening and closing of the 1st solenoid valve and aperture state, the opening and closing of the 2nd solenoid valve and aperture state, The opening and closing of 3rd solenoid valve and aperture state, the opening and closing of the 4th solenoid valve and aperture state, the opening and closing of the 5th solenoid valve and aperture state.

10. food intelligent vacuum according to claim 9 is baked system, it is characterised in that: before food is baked, may be used also Carry out vacuum boiling expanding treatment step to treat baked goods, specifically include: the measured value of gauge feedback is less than Roaster It when predetermined vacuum in skill is spent, is kept for the preset period, is suitable for food to be baked by vacuum boiling extruding.