阅读说明：本技术 一种有利于改善食品松软或酥脆均匀性的智能冷却设备 (Intelligent cooling equipment beneficial to improving food softness or crisp uniformity ) 是由 李明守 于 2018-08-31 设计创作，主要内容包括：本发明属于食品设备领域,具体公开一种有利于改善食品松软或酥脆均匀性的智能冷却设备,包括供气装置、冷却装置、传感器组、电磁阀组和控制装置；控制装置内置有预设的包括保护气参量、冷却温度的冷却工艺,供气装置向冷却装置输送保护气,排出冷却室内的空气；冷却室内被设置适于保护气均匀分布的冷风洒头和排气俘头、适于转移和承载食品的冷托带；冷却装置的食品输入口处、食品输出口处分别以密封方式设置闸门,将食品与空气隔离；控制装置操纵冷却设备在保护气环境中冷却食品,保护气流分布均匀,食品品质均匀性好,不易起皮、开裂,保护气将食品与空气隔离,食品中的油脂氧化变质物及氧残留量极少,食品易于保存,保质期得到显著延长。(The invention belongs to the field of food equipment, and particularly discloses intelligent cooling equipment beneficial to improving the softness or crispness uniformity of food, which comprises an air supply device, a cooling device, a sensor group, an electromagnetic valve group and a control device, wherein the air supply device is connected with the cooling device through a pipeline; the control device is internally provided with a preset cooling process comprising a shielding gas parameter and a cooling temperature, and the gas supply device is used for conveying shielding gas to the cooling device and exhausting air in the cooling chamber; the cooling chamber is internally provided with a cold air sprinkling head and an exhaust trapping head which are suitable for uniformly distributing protective gas, and a cold supporting belt which is suitable for transferring and bearing food; the food input port and the food output port of the cooling device are respectively provided with a gate in a sealing mode to isolate the food from the air; the control device controls the cooling equipment to cool food in a protective gas environment, the protective gas flow is uniformly distributed, the food quality uniformity is good, peeling and cracking are not easy to occur, the protective gas isolates the food from air, the oxidation degradation substances and the oxygen residual quantity of the grease in the food are extremely small, the food is easy to store, and the quality guarantee period is remarkably prolonged.)

1. An intelligent cooling apparatus that facilitates improving the crispness or crispness uniformity of a food product, comprising:

the gas supply device is suitable for supplying shielding gas;

the cooling device is suitable for cooling food in a protective gas environment, a cooling chamber suitable for cooling the food is arranged in the cooling device, a cold supporting belt which is suitable for transferring and carrying the food to be cooled and is arranged along the horizontal direction, a cold air spraying head suitable for guiding the protective gas to flow to the cold supporting belt in a shunting way, and an exhaust gas trapping head suitable for exhausting the protective gas are arranged in the cooling chamber, the cold air spraying head is horizontally arranged and positioned above the cold supporting belt, and the exhaust gas trapping head is horizontally arranged and positioned below the cold supporting belt; the input port of the cooling device suitable for food input and the output port suitable for food output are respectively provided with a gate in a sealing mode so as to cool the food in a protective gas environment;

the circulating device is suitable for driving the protective gas to circularly flow to cool the food and comprises a heat exchanger and a circulating pump;

the control device is suitable for controlling the cooling equipment to cool the food in a protective gas environment based on a preset cooling process comprising protective gas parameters and a cooling temperature;

the cold air sprinkling head comprises a flow dividing pipe suitable for dividing the input gas, and a plurality of flow guiding pipes which are arranged horizontally along the horizontal plane and are parallel to each other, wherein an input port suitable for inputting the gas and a plurality of output ports which are communicated with the input port and suitable for dividing the gas are arranged on the flow dividing pipe; the inlet of the flow guide pipe and the outlet of the flow dividing pipe are respectively in sealed circulation, and the flow guide pipe is provided with a plurality of cold air nozzles which are positioned on the lower end surface of the flow guide pipe, are opposite to the cold supporting belt and are suitable for dividing and guiding the protective gas in the flow guide pipe to flow to the cold supporting belt; the output port of the gas supply device is hermetically communicated with the input port of the shunt tube through a No. 1 electromagnetic valve;

the exhaust trapping head is of a shell structure formed by walls, a plurality of annular trapping holes suitable for protective gas to flow into are formed in the top end face of the exhaust trapping head, a flow guide cavity horizontally arranged along the horizontal plane direction is formed in the exhaust trapping head, an exhaust port suitable for being connected with an exhaust pipeline is formed in the bottom end face of the exhaust trapping head, and the exhaust port of the exhaust trapping head is communicated with one end of the exhaust pipeline of the cooling device and suitable for the cooling device to exhaust outwards; an oxygen sensor is arranged in the exhaust pipeline and is suitable for judging whether the air in the cooling chamber is completely exhausted or not;

the other end of the exhaust pipeline is communicated with the heat exchanger, the circulating pump and the input port of the cold air sprinkling head through a No. 3 electromagnetic valve to form a circulating flow path suitable for the circulating flow of the protective gas; an exhaust port suitable for exhausting air is arranged on a pipeline of the circulating pump communicated with the cold air sprinkling head, a 4 th electromagnetic valve is assembled on the exhaust port to form an exhaust flow path, and a 5 th electromagnetic valve suitable for circulation control of the circulating flow path is assembled in the pipeline between the exhaust port and the cold air sprinkling head; the cooling chamber is equipped with a temperature sensor adapted to detect the temperature of the food;

the control device is based on a cooling process and is suitable for operating the No. 3 and No. 4 solenoid valves to enable the exhaust flow path to circulate, operating the circulating pump to start, operating the No. 1 solenoid valve to input protective gas into the cooling chamber; adapted to acquire a measurement value of the oxygen sensor, and adapted to operate the 4 th solenoid valve to act to block the circulation when a judgment is made based on the measurement value that the air in the cooling chamber is fully discharged; the cooling device is suitable for operating the cooling device to transfer the food in the baking device which is assembled in a sealing and communicating way with the cooling device into the cooling device, and the 5 th electromagnetic valve is operated to circulate the circulating flow path for cooling in a protective gas environment; the temperature control device is suitable for obtaining a temperature measurement value and a temperature set value fed back by the temperature sensor, operating the circulating pump to adjust the rotating speed so that the temperature measurement value is consistent with the set value, and cooling food in a protective gas environment according to a preset temperature until the temperature measurement value fed back by the temperature sensor is smaller than a target set value; and the control device is suitable for acquiring the measurement value of the vacuum gauge, and operating the 1 st electromagnetic valve and the 3 rd electromagnetic valve to adjust the valve opening degree based on the measurement value so that the measurement value of the vacuum gauge is greater than the standard atmospheric pressure value.

2. The intelligent cooling apparatus of claim 1, wherein: the protection gas parameters comprise set values of a circulating pump start-stop state, an emptying reference value, a 1 st electromagnetic valve opening and closing and opening state, a 2 nd electromagnetic valve opening and closing and opening state, a 3 rd electromagnetic valve opening and closing and opening state, a 4 th electromagnetic valve opening and closing and opening state and a 5 th electromagnetic valve opening and closing and opening state which are related to time.

3. The intelligent cooling apparatus of claim 2, wherein: the gas supply device comprises a gas storage tank, a gasifier, a temporary storage tank and a pressure reducing valve, wherein the gas storage tank is suitable for storing liquid protective gas, the gasifier is suitable for gasifying the liquid protective gas to generate gaseous protective gas, the temporary storage tank is suitable for storing the gaseous protective gas generated by the gasifier, the pressure reducing valve is suitable for reducing the output pressure and stabilizing the pressure of the protective gas, the output port of the pressure reducing valve is communicated with the input port of the cold air sprinkling head in a sealing mode through a gas transmission pipeline, and the 1 st electromagnetic valve is assembled in the gas transmission pipeline.

4. The intelligent cooling apparatus of claim 3, wherein: the cooling device also comprises a steady flow grid arranged between the cold air sprinkling head and the cold supporting belt, one side of the steady flow grid close to the cold air sprinkling head is suitable for the uniform distribution of protective gas flow between the cold air sprinkling head and the cold supporting belt.

5. The intelligent cooling apparatus of claim 4, wherein: the flow stabilizing grid at least comprises transverse flow stabilizing plates which are distributed at equal intervals along the longitudinal direction and longitudinal flow stabilizing plates which are distributed at equal intervals along the transverse direction; the transverse flow stabilizing plate and the longitudinal flow stabilizing plate are arranged in the vertical direction and penetrate through each other to form a grid shape.

6. The intelligent cooling apparatus of claim 5, wherein: the four sides of the flow stabilizing grid are respectively provided with a flow baffle plate in a strip shape, the flow baffle plate is arranged along the vertical direction, and the lower end of the flow baffle plate inclines outwards relative to the upper end; the spoilers around the flow stabilizing grid are sequentially connected end to form an apron-shaped structure with a lower end opening larger than an upper end opening.

7. The intelligent cooling apparatus of claim 6, wherein: the cooling device also comprises a disturbance-blocking grating which is arranged between the cold supporting belt and the air-discharging trapping head, is close to one side of the cold supporting belt and is suitable for the uniform distribution of the protective air flow between the cold supporting belt and the air-discharging trapping head.

8. The intelligent cooling apparatus of claim 7, wherein: the interference prevention grating at least comprises transverse interference prevention plates which are distributed at equal intervals along the longitudinal direction and longitudinal interference prevention plates which are distributed at equal intervals along the transverse direction; the transverse interference resisting plates and the longitudinal interference resisting plates are arranged in the vertical direction and penetrate through each other to form a grid shape.

9. The intelligent cooling apparatus of claim 8, wherein: the sides of the periphery of the interference prevention grating are respectively provided with a strip-shaped current limiting plate which is arranged along the vertical direction, and the upper end of the current limiting plate inclines outwards relative to the lower end; the flow limiting plates around the interference-resisting grating are sequentially connected end to form an inverted apron-shaped structure with an upper end opening larger than a lower end opening.

10. The intelligent cooling apparatus of claims 1-9, wherein: the 1 st electromagnetic valve, the 2 nd electromagnetic valve, the 3 rd electromagnetic valve, the 4 th electromagnetic valve and the 5 th electromagnetic valve are proportional electromagnetic valves; the circulating pump is a variable frequency pump with adjustable rotating speed.