JP5254150B2 - Two-stage refrigeration system, two-stage refrigeration method, and two-stage refrigeration program - Google Patents

Description

  The present invention relates to a refrigeration apparatus for freezing food by cooling the food to a first temperature range that is a temperature range where freezing of the food does not start, and further cooling the food to a second temperature range lower than the first temperature range. And a two-stage refrigeration system including a control device that controls the refrigeration apparatus.

  In order to keep food fresh, a cooling method using block ice as a refrigerant is generally used. Such a cooling method using block ice as a refrigerant is performed when food needs to be cooled in a relatively short time of several hours. On the other hand, when food needs to be stored for a long time, it is frozen. Up to now, there has been a problem that ice crystals are greatly formed in food during freezing and food cells are destroyed, resulting in degradation of the quality of the food after thawing. In order to reduce the size, a rapid freezing technique has been developed in recent years that allows a temperature range (around −7 to 0 ° C.) where ice is generated to pass in as short a time as possible. By the way, in general, the catching time of fish species is limited, and most of them are shipped on ice temperature preservation when they are put on the market after catching. Although it may be frozen, quality degradation occurs during freezing or thawing.

  The present invention prevents food damage that occurs when freezing food using block ice, food quality deterioration that occurs when food is rapidly frozen or stored at ice temperature, etc. Accordingly, the present invention relates to a refrigeration system that can manage long-term storage or short-term storage capable of maintaining freshness.

The present invention relates to a refrigeration apparatus for freezing food by cooling the food to a first temperature range that is a temperature range where freezing of the food does not start, and further cooling the food to a second temperature range lower than the first temperature range. And a control device for controlling the refrigeration apparatus, wherein the control device includes an arrival information receiving means for receiving input of arrival information regarding the type or amount of the received food, and an arrival information receiving means. Order information reception that accepts input of order information regarding the type and quantity of food that needs to be shipped, and cooling control means that controls the refrigeration system to cool the food to the first temperature range according to the received arrival information Shipment related to shipping instructions for food cooled to the first temperature range in accordance with the type of food that needs to be shipped and the order quantity received by the means and order information receiving means First shipping instruction information transmitting means for transmitting the display information to a predetermined terminal, and out of the food cooled to the first temperature range, the food remaining after being shipped according to the shipping instruction information Refrigeration control means for controlling the refrigeration apparatus so as to freeze in two temperature ranges, the refrigeration apparatus according to the cooling control means, cooling means for cooling the food to the first temperature range, and according to the refrigeration control means, The present invention relates to a two-stage refrigeration system comprising a refrigeration unit for freezing food in a second temperature range.

  In the present invention, the food is first cooled to a first temperature range (for example, −2 to 0 ° C.), which is a temperature range where freezing of the food does not start, and the food is further cooled to a second temperature range lower than the first temperature range ( For example, the food is frozen by cooling to −40 ° C. or lower. In this way, by cooling the food to the first temperature range and then freezing at the second temperature range, it becomes possible to shorten the time for completely freezing the inside of the food. It can pass through a temperature range (about −2 to −5 ° C.) where ice crystals are formed in a short time, and can prevent food quality deterioration.

  In addition, the control device controls the refrigeration apparatus so that the food is shipped according to the type and the order quantity of the food that needs to be shipped out of the food cooled to the first temperature range. And among the food cooled to the 1st temperature range, only the food which remained without being shipped is frozen in the 2nd temperature range. Therefore, the food cooled to the first temperature range with high freshness is preferentially shipped, and only the remaining food is frozen in the second temperature range and is subject to long-term storage. Foods that have shifted from short-term storage to long-term storage can be stored frozen by passing the temperature range where ice crystals are formed, both outside and inside the food, in as short a time as possible to prevent food deterioration due to freezing and thawing. It becomes possible. In particular, when the food is rapidly cooled to the first temperature range using slurry ice, which will be described later, the temperature range where the ice crystals are generated can be passed in a shorter time than when rapidly frozen from room temperature. Can be prevented.

The control device includes a cooled food storage means for storing the amount of food cooled to the first temperature range by the cooling means, a frozen food storage means for storing the amount of food frozen at the second temperature range by the freezing means, Second shipping instruction information transmitting means for transmitting shipping instruction information relating to the shipping instruction of food frozen in the second temperature range to the predetermined terminal, and the type and order of the food that requires shipment received by the order information receiving means Based on the amount, the amount of food cooled to the first temperature range stored by the cooled food storage means, and the amount of food frozen at the second temperature range stored by the frozen food storage means A shipment quantity specifying means for specifying the quantity of shipment according to an input to a predetermined program or control device for specifying the quantity of each of the food cooled to the zone and the food frozen at the second temperature zone; , Out The amount according to the amount of shipping specified by the specifying means, and a decompression controller for controlling the refrigeration unit to decompress the food product frozen in a second temperature range,
The first shipping instruction information transmitting means and the second shipping instruction information transmitting means transmit shipping instruction information related to food shipping instructions to a predetermined terminal according to the amount of shipment specified by the shipping quantity specifying means. In addition, it is preferable that the refrigeration apparatus includes thawing means for thawing food according to the thawing control means.

  In the present invention, based on the type and order quantity of food that needs to be shipped, the quantity of food cooled to the first temperature range, and the quantity of food frozen in the second temperature range, According to the input to the control device, the quantity of each shipment of the food cooled to the first temperature range and the food frozen at the second temperature range is specified. Then, the shipment is executed according to the specified shipment amount. Therefore, by giving priority to food cooled to the first temperature range, priority is given to fresher foods, or priority is given to food frozen at the second temperature range. In response to the request of the control device / freezer manager, such as giving priority to reducing inventory, the amount of food cooled to the first temperature range and the food frozen in the second temperature range It is possible to appropriately select the proportion of the amount to be shipped.

  The control device includes a cooled food storage means for storing the amount of food cooled to the first temperature range by the cooling means, a frozen food storage means for storing the amount of food frozen at the second temperature range by the freezing means, The amount of food cooled to the first temperature range stored by the cooled food storage means and / or the frozen food storage means with respect to the order quantity of food that needs to be shipped received by the order information receiving means. An arrival request information transmitting means for transmitting arrival request information for requesting arrival of the deficient food to a predetermined terminal when the amount of the food frozen in the stored second temperature range is insufficient; It is preferable.

  In the present invention, the total amount of the food cooled to the first temperature range and the amount of the food frozen at the second temperature range is insufficient with respect to the order amount of food that needs to be shipped. If there is a shortage of either the amount of food cooled to the first temperature range or the amount of food frozen in the second temperature range, request the arrival of the missing food In addition, since the storage of food by cooling and freezing is started, it is possible to provide consumers with fresher food without having an excessive food inventory.

  The cooling means is preferably based on slurry ice. Slurry ice is fluid sherbet-like ice obtained by mixing seawater or fresh water with fine ice. If block ice is used when cooling food, the contact area between the block ice and food is small, so it takes time to cool to the ice temperature range. Moreover, since the block ice which is a refrigerant | coolant is sharp, food will be damaged. However, by using slurry ice as a cooling means, it is possible to rapidly cool from normal temperature to an ice temperature range without freezing.

  In addition, slurry ice has an advantage that it has a larger contact area with the object to be cooled than block ice, has a superior cooling non-heat capacity than cold water, is excellent in portability, and can be easily transported by a pump. The temperature of the slurry ice is about −2 to 0 ° C., and the food is not frozen, so that deterioration of the food due to freezing can be prevented. Furthermore, slurry ice has an overwhelmingly larger surface area (about 10 times or more) than block ice of the same volume, and even if food and ice are in direct contact, the food is not damaged.

  The production of slurry ice is performed using, for example, a slurry ice production apparatus as shown in FIG. The slurry ice production apparatus includes a seawater filtration / sterilization device 61 for filtering and sterilizing seawater, a water supply tank 62 for supplying filtered and sterilized seawater to an ice making tank 64 as needed, and for growing ice grains. The ice making tank 64 is composed of an ice making machine 65 that generates ice by bringing the seawater into a supercooled state, and a mixing tank 67 for mixing the seawater supplied from the water supply tank 62 and the ice supplied from the ice making tank 64. These devices and tanks communicate with each other through a pipe 63. Further, the ice making tank 64 includes a dry ice take-out unit 66 for supplying ice to the mixing tank 67.

  First, the seawater filtered and sterilized by the seawater filtration / sterilization device 61 is supplied to the water supply tank 62 and supplied to the ice making tank 64 through the pipe 63a. Seawater in the ice making tank 64 cools the seawater while circulating through the ice making machine 65 and the ice making tank 64 via the pipes 63b and 63c. The seawater that has been supercooled in the ice making machine 65 is stirred in a spiral, and only the true water is separated into spherical ice. Ice generated in the ice making machine 65 is supplied to the ice making tank 64 from the pipe 63c. Since ice has a smaller specific gravity than seawater, the ice supplied to the ice making tank 64 floats above the ice making tank 64, and the ice grains grow larger at the upper part. As ice grains grow, the salinity of seawater increases in the lower part of the ice making tank 64. When the salinity of seawater becomes thicker than a predetermined value, seawater is automatically drained from the bottom of the ice making tank 64.

  Discharge of the ice grown on the top of the ice making tank 64 is performed in the following procedure. First, seawater is supplied to the ice making tank 64 from the water supply tank 62, the dry ice is pushed upward, and is raked out to the mixing tank 67 through the dry ice take-out unit 66 by the harvester provided at the upper part of the ice making tank 64. It is. At the same time, seawater is supplied from the water supply tank 62 to the mixing tank 67. The ice and water supplied to the mixing tank 67 are stirred in the tank to become slurry ice.

  In addition, the present invention freezes food by cooling the food to a first temperature range that is a temperature range where freezing of the food does not start, and further cooling the food to a second temperature range lower than the first temperature range. A method that is executed in the refrigeration apparatus and that is further executed in the control apparatus that controls the refrigeration apparatus. The control apparatus accepts input of arrival information regarding the type or amount of the received food, and according to the received arrival information. , Control the refrigeration system to cool the food to the first temperature range, accept the input of order information regarding the type of food that needs to be shipped and the order quantity, and the type of food that needs to be shipped and According to the order quantity, the shipping instruction information related to the shipping instruction of the food cooled to the first temperature range is transmitted to a predetermined terminal. The refrigeration unit is controlled so that the food that has not been shipped after the shipment is performed according to the information is frozen in the second temperature range, and the food in the freezing unit is controlled in accordance with the control by the control unit. The present invention relates to a two-stage freezing method characterized by cooling the food to a second temperature range.

  Furthermore, the present invention includes a cooling means for cooling the food to a first temperature range that is a temperature range where freezing of the food does not start, and a freezing means for freezing the food in a second temperature range lower than the first temperature range. A program that is executed in a computer device that controls the refrigeration device. The computer device is used as an arrival information reception unit that receives input of arrival information regarding the type or amount of received food, and to the arrival information received by the arrival information reception unit. Therefore, cooling control means for controlling the refrigeration apparatus so as to cool the food to the first temperature range, order information receiving means for receiving the input of order information relating to the type of food that needs to be shipped and the order quantity, order information receiving means According to the instructions for shipping food cooled to the first temperature range according to the type of food that needs to be shipped and the quantity ordered. First shipping instruction information transmitting means for transmitting shipping instruction information to a predetermined terminal, out of the food cooled to the first temperature range, the food that has not been shipped after being shipped according to the shipping instruction information The present invention relates to a two-stage refrigeration program that functions as refrigeration control means for controlling a refrigeration apparatus so as to be frozen in a second temperature range.

It is a block diagram which shows the structure of the control apparatus concerning embodiment of this invention. It is an example of the order management table concerning embodiment of this invention. It is an example of the fresh product management table concerning embodiment of this invention. It is an example of the frozen goods management table concerning embodiment of this invention. It is a flowchart at the time of performing the freezing control process concerning embodiment of this invention. It is a figure showing an example of the freezing apparatus concerning embodiment of this invention. It is a figure showing an example of the manufacturing apparatus of slurry ice.

  FIG. 1 is a block diagram showing a configuration of a control device according to an embodiment of the present invention. The control device 1 includes a CPU (Central Processing Unit) 11, a RAM (Random Access Memory) 12, a hard disk drive (HDD) 13, a communication interface 14, an input unit 15, a refrigeration control unit 16, and a display unit 17. Connected by internal bus.

  The CPU 11 executes a program stored in the HDD 13 and controls the control device 1. The RAM 12 is a work area for the CPU 11. The HDD 13 is a storage area for storing programs and data. The CPU 11 reads data necessary for control of the control device 1 from the RAM 12 and performs processing. The CPU 11 includes an internal timer, and can measure time. Further, when a drawing command is output from the CPU 11, a video signal for displaying an image on the display screen of the display unit 17 is output.

  The input unit 15 is provided with a so-called keyboard. The administrator of the control device / freezer can use the input unit 15 to input predetermined data, for example, information related to an order that food is desired to be shipped (hereinafter referred to as order information) and information related to the received food. It is. Input information from the input unit 15 is stored in the RAM 12, and the CPU 11 executes various arithmetic processes based on the input information.

  The communication interface 14 is connected to a communication network 18 by wireless or wired communication and can communicate with other computer devices. The communication interface 14 can also perform wireless communication via a communication unit having an antenna. For example, the order information of food is received from other terminals by communication, the shipping instruction information for instructing the shipment of food in the freezer is transmitted to the terminal installed in the department in charge of shipping, It is possible to transmit arrival request information regarding a request for arrival when food is insufficient to a terminal installed at a procurement source.

  The freezing and thawing control unit 16 is connected to the freezing device 20 for cooling the food 21a in the freezing device 20 to the first temperature range, freezing in the second temperature range, or defrosting the frozen food 21a. Take control. The refrigeration apparatus 20 has a cooling function for cooling to the first temperature range, a refrigeration function for freezing at the second temperature range, and a thawing function for thawing the food 21a frozen at the second temperature range. It may be configured by a separate device for each cooling function, freezing function, and thawing function.

  Next, the order management table set in the RAM 12 or the HDD 13 will be described. FIG. 2 is an example of the order management table 30 according to the embodiment of the present invention. The order management table 30 stores order information indicating that food is desired to be shipped. The order management table stores an order ID 31, a food name 32, an order quantity 33, a shipping deadline 34, a fresh product flag 35, and a frozen product flag 36, respectively.

  The order ID 31 is an identification number that is automatically assigned for each order according to the date and time and order in which the order is received by the control device 1. The food name 32 represents the name and type of the ordered food. The order quantity 33 represents the quantity remaining in the order received via the input unit 15 or the communication interface 14 without sending the shipping instruction information (not shipped). The shipping deadline 34 stores a final deadline for shipping to meet the delivery date of each order. The fresh product flag 35 indicates whether or not the order is for a food that has been cooled and held to the first temperature range (hereinafter referred to as a “fresh product”). The fresh product flag 35 is flagged. The frozen product flag 36 indicates whether or not the order is for a frozen product frozen in the second temperature range. If the order is for a frozen product, the frozen product flag 36 is flagged. . When either a fresh product or a frozen product is acceptable, both the fresh product flag 35 and the frozen product flag 36 are set.

  When the order information is input via the input unit 15 or the communication interface 14, the order ID 31 is given to the order management table 30, and the food name 32, the order quantity 33, the shipping deadline 34, the fresh product flag 35, and the frozen product flag. 36 is stored. When shipping instruction information is transmitted to a predetermined terminal for either a fresh product or a frozen product, a value obtained by subtracting the amount of food shipped from the order amount 33 is updated as the value of the order amount 33. .

  Next, the perishable product management table set in the RAM 12 or the HDD 13 will be described. FIG. 3 is an example of the fresh product management table 40 according to the embodiment of the present invention. The perishable product management table 40 stores information on food that has been frozen or shipped out of food that has been cooled to the first temperature range. In the perishable product management table 40, food ID 41, food name 42, food quantity 43, cooling date 44, and cooling deadline 45 are stored.

  The food ID 41 is an identification number that is automatically assigned to each food group in accordance with the date and order of cooling to the first temperature range. The food name 42 represents the name and type of food. The amount of food 43 represents the amount of food that has not been transmitted yet to the shipping instruction information among the food that has been cooled to the first temperature range. The food name 42 and the food quantity 43 are information related to the received food input to the input unit 15 when the food is received, or related to the received food transmitted from the food supplier via the communication network 18. Set based on information. The cooling date and time 44 stores the date and time when the food is cooled. The cooling deadline 45 represents the final deadline in which the food cooled to the first temperature range can be stored while being cooled, and the food that has passed the cooling deadline 45 is subject to freezing in the second temperature range. Is done. The cooling deadline 45 is automatically set according to the cooling date and time 44, and a predetermined time may be set regardless of the type of food (for example, 12 hours from the cooling time), or the time depending on the type of food. May be changed (for example, 6 hours from the cooling time for seafood and 12 hours from the cooling time for meat).

  When the information on the fresh product stored in the fresh product management table 40 matches the condition of the order information stored in the order management table 30 and the shipping instruction information is transmitted for the matched food, the fresh product management table A value obtained by subtracting the amount of food for which shipping is instructed from the amount of food 43 of 40 is updated as the amount of food 43. The information about fresh products and the order information conditions match, for example, the name of the food matches, but the food production location, producer, price, etc. are managed in each table. May require that the location, producer, price, etc. of these foods match.

  Of the foods stored in the perishable product management table 40, foods that have passed the cooling deadline 45 are subject to freezing. If the food is kept cooled in the first temperature range for a long time, the quality of the food is deteriorated. Therefore, the food is frozen in the second temperature range before the quality is deteriorated. Information about the food to be frozen is deleted from the fresh product management table 40.

  A frozen product management table set in the RAM 12 or the HDD 13 will be described. FIG. 4 is an example of the frozen product management table 50 according to the embodiment of the present invention. The frozen product management table 50 stores information on food that has been frozen in the second temperature range in the past, that is, food that remains without being shipped.

  The frozen product management table 50 stores a food ID 51, a food name 52, an inventory quantity 53, a freezing date 54, and a storage deadline 55, respectively. The food ID 51 is an identification number assigned to each frozen food group, and the food name 52 represents the name and type of the food. As the food ID 51 and the food name 52, the food ID 41 and the food name 42 of the fresh product management table 40 can be used as they are. The stock quantity 53 represents the amount of food that remains frozen before being shipped out of the food frozen in the second temperature range. The frozen date 54 stores the date when the food is frozen. The storage period 55 represents the final period in which frozen food can be kept in stock, and foods that have passed the storage period 55 are targeted for disposal. The storage period 55 is automatically set according to the frozen date 54 and may be set to a predetermined period regardless of the type of food (for example, one year from the frozen date). May be changed (for example, 6 months from the date of freezing for seafood, 1 year from the date of freezing for meat, etc.).

  The information on the frozen food stored in the frozen product management table 50 (hereinafter referred to as the frozen product) matches the condition of the order information stored in the order management table 30, and the shipping instruction information is transmitted for the matched food. Then, the value obtained by subtracting the amount of food for which shipping instructions have been issued from the stock quantity 53 of the frozen product management table 50 is updated as the stock quantity 53. The information about frozen products and the conditions of the order information match, for example, the name of the food matches, but the food production location, producer, price, etc. are managed in each table May require that the location, producer, price, etc. of these foods match.

  In addition, among the foods stored in the frozen product management table 50, foods that have passed the storage expiration date 55 are targeted for disposal. Even if it is a frozen product, the quality may be deteriorated after a certain period of time. Therefore, these frozen products are intended for disposal and are not shipped. Information about the food to be discarded is deleted from the frozen product management table 50.

  FIG. 5 is a flowchart when executing the refrigeration control process according to the embodiment of the present invention. First, procurement request information (procurement amount demand, type and amount of missing food) for procuring missing food from the control device 1 is a predetermined terminal, for example, each supplier (external food production It is transmitted via the communication network 18 to a terminal installed in a manufacturer or a department for procuring food (step S1). And the receipt amount answer (arrival date, the kind and quantity of food) with respect to the procurement amount demand is received from the terminal installed in each procurement source (step S2). Each supplier receives food in accordance with the arrival amount answer transmitted to the control device 1. The received food is stored in the freezer 20.

  The control device 1 controls the refrigeration device 20. The food 21a stored in the freezer 20 is cooled to the first temperature range, that is, cooled to the ice temperature (first-stage cooling), and stored at the ice temperature for a predetermined time (step S3). As a cooling means of the refrigeration apparatus 20, a normal refrigeration function can be used, but cooling with slurry ice is also possible. Here, the information of the cooled food 21a is stored in the fresh product management table 40 set in the RAM 12 or the HDD 13 in accordance with the contents of the arrival amount answer (food type, amount, etc.) described above.

  When food order information (food type, quantity, delivery date, whether fresh or frozen products are desired) is received via the input unit 15 or the communication network 18, the ice is frozen in the first temperature range. The distribution determination of the order quantity 33 is executed as to whether the food should be shipped in the warm stored food or the frozen stored food in the second temperature range (step S4).

  The distribution determination of the order quantity 33 is performed by referring to the order management table 30. That is, an order with the fresh product flag 35 standing is sorted as a fresh product order, and an order with the frozen product flag 36 standing is sorted as a frozen product order.

  When both the fresh product flag 35 and the frozen product flag 36 are set, whether to give priority to shipping fresh products or frozen products, or at what ratio to distribute fresh products to frozen products, etc. It is possible to choose about. In this case, referring not only to the order management table 30 but also to the fresh product management table 40 and the frozen product management table 50, it is arbitrarily determined according to an input to the input unit 15 by the administrator or a predetermined program provided in advance. Done. Usually, depending on the season, there will be an off-season when the food will run out, but by adjusting the stock of frozen products, it becomes possible to select what to ship in the off-season.

  For example, in the case of shipping with priority on fresh products, if the order quantity 33 is equal to or less than the fresh food quantity 43, all foods are covered with fresh food, and the order quantity 33 is greater than the fresh food quantity 43. When there are many, it will be covered with frozen products by an amount that is insufficient with only fresh products. On the other hand, in the case of shipping frozen products with priority, if the order quantity 33 is the same or less than the frozen stock quantity 53, all foods are covered with frozen goods, and the ordered quantity 33 is more than the frozen stock quantity 53. When there are many, it will be covered with perishables by the amount that is not enough with frozen products alone.

  When the order is sorted as a fresh product order in step S4, fresh product order management is executed (step S5). That is, with reference to the order management table 30 and the fresh product management table 40, the distribution of whether to give a shipping instruction or to freeze the fresh product managed in the fresh product management table 40 in the second temperature range is performed. Done. Although not shown in the figure, when there is a shortage of fresh products, management for requesting food procurement is performed, the procurement proceeds to the shortage, and procurement request information is transmitted to a predetermined terminal ( Step S1).

  In step S5, the shipping instruction information is transmitted for the food that is the target of the shipping instruction (step S6), and the remaining food is frozen in the second temperature range by controlling the freezing device 20. (Step S7). For example, if the food quantity 43 of “Sazae” is “350 pieces” and the order quantity 33 is “200 pieces”, “200 pieces” is the target of shipping instructions, and “150 pieces” is the second temperature range. It becomes the object of freezing in.

  The time is counted by an internal timer provided in the CPU 11, and the food 21a for which the cooling deadline 45 has passed is subject to freezing in the second temperature range, and the ice temperature is stored until the cooling deadline 45 has passed. Is continued.

  The remaining portion of the food 21a stored at the ice temperature is cooled to a very low temperature (−40 ° C. or lower) by quick freezing by the control device 1 controlling the freezing device 20 (second stage cooling), and then frozen. Saved (step S7). Information about the food 21a to be stored frozen is stored in the frozen product management table 50 set in the RAM 12 or the HDD 13.

  In the case where the order of the frozen product is distributed in step S4, the frozen product order management is executed (step S8). That is, with reference to the order management table 30 and the frozen product management table 50, the shipping instruction is given for the frozen product managed by the frozen product management table 50, and if the frozen product is insufficient, the food is Management to request procurement is performed. In step S8, the shipping instruction information is transmitted for the food subject to the shipping instruction (step S9), and the remaining food is kept frozen in the second temperature range, and the order waiting state is maintained. Is done.

  If the frozen stock quantity 53 is smaller than the order quantity 33, the process shifts to shortage procurement, procurement request information is transmitted to a predetermined terminal (step S1), and a series of processing loops. Here, step S1 is executed when the frozen stock quantity 53 is smaller than the ordered quantity 33. However, the fresh food quantity 43 and the frozen goods are compared with the ordered quantity 33. It is also possible to adopt a configuration in which step S1 is executed when the total amount of the inventory amount 53 is small.

  FIG. 6 is a diagram illustrating an example of the refrigeration apparatus according to the embodiment of the present invention. The storage tank 22 stores slurry ice. When receiving a command from the freezing and thawing control unit 16 to cool the food 21a in the freezer 20 to the first temperature range, cooling to the ice temperature in step S3 is started. First, slurry ice is supplied from the storage tank 22 through the delivery line 23 into the refrigeration apparatus 20. Until the slurry ice is supplied into the refrigeration apparatus 20, the food 21a is placed on the food receiver 20a.

  When the slurry ice is supplied to the refrigeration apparatus 20, the slurry ice 24 accumulates from the bottom of the refrigeration apparatus 20, and is supplied until the upper surface of the slurry ice 24 is above the food receiving part 20a. The food receiving portion 20a has a lattice shape or a mesh shape, and the size of the space portion is smaller than the food 21a and larger than the dry ice constituting the slurry ice. Therefore, the food 21a can be received so as not to fall down, and the slurry ice 24 can move up and down across the food receiving portion 20a. By supplying the slurry ice until the upper surface of the slurry ice 24 is on the upper side of the food receiving portion 20a, the food 21a is pushed upward and comes into contact with the slurry ice 24. Thus, the food 21 is cooled to the first temperature range.

  When a command is received from the freezing and thawing control unit 16 of the control device 1 so that the food 21a in the freezing device 20 is cooled to the first temperature range and then frozen in the second temperature range, it is provided at the lowest part of the freezing device 20. The discharge port 20b is released, and the slurry ice 24 is discharged from the refrigeration apparatus 20. When the slurry ice 24 is discharged, the food 21a is placed on the food receiving portion 20a. And the temperature in the freezing apparatus 20 is adjusted to a 2nd temperature range, and the foodstuff 21a is frozen in a 2nd temperature range.

  The food applicable to the present invention is not limited to fish and shellfish, but can also be applied to meat, cereals, fruits, processed foods, and the like. Moreover, it is also possible to set suitably about what kind of temperature the 1st temperature range and the 2nd temperature range are made according to the kind of foodstuff.

1 control device 11 CPU
12 RAM
13 HDD
DESCRIPTION OF SYMBOLS 14 Communication interface 15 Input part 16 Freezing / thawing control part 17 Display part 18 Communication network 20 Refrigeration equipment 21 Food 22 Storage tank 23 Delivery line 24 Slurry ice 30 Order management table 40 Fresh goods management table 50 Frozen goods management table 61 Seawater filtration and sterilization 61 Equipment 62 Water supply tank 63 Piping 64 Ice making tank 65 Ice making machine 66 Dry ice take-out part 67 Mixing tank

Claims (6)

A freezing device that freezes food by cooling the food to a first temperature range that is a temperature range where freezing of the food does not start, and further cooling the food to a second temperature range lower than the first temperature range, and a freezing device A two-stage refrigeration system comprising a control device for controlling
The control unit
An arrival information receiving means for receiving input of arrival information relating to the type or quantity of the received food;
Cooling control means for controlling the refrigeration apparatus so as to cool the food to the first temperature range according to the arrival information received by the arrival information reception means;
Order information accepting means for accepting input of order information relating to the type of food that needs to be shipped and the order quantity;
A first shipping instruction for sending shipping instruction information related to a shipping instruction of food cooled to the first temperature range to a predetermined terminal in accordance with the type of food that needs to be shipped and the order quantity received by the order information receiving means Information transmission means;
A refrigeration control means for controlling the refrigeration apparatus so that the food that has not been shipped after the shipment is performed according to the shipping instruction information among the food cooled to the first temperature range is frozen in the second temperature range; With
Refrigeration equipment
Cooling means for cooling the food to the first temperature range according to the cooling control means;
A two-stage refrigeration system comprising: refrigeration means for freezing food in a second temperature range according to the refrigeration control means. The control unit
A cooled food storage means for storing the amount of food cooled to the first temperature range by the cooling means;
Frozen food storage means for storing the amount of food frozen in the second temperature range by the freezing means;
Second shipping instruction information transmitting means for transmitting shipping instruction information relating to the shipping instruction of food frozen in the second temperature range to a predetermined terminal;
Stored by the order information receiving means, the type and order quantity of the food required to be shipped, the amount of food cooled to the first temperature range stored by the cooled food storage means, and the frozen food storage means Predetermined program or control for identifying the amount of each shipment of food cooled to the first temperature range and food frozen in the second temperature range based on the amount of food frozen in the second temperature range A shipment quantity specifying means for specifying the quantity of shipment according to the input to the device;
Thawing control means for controlling the refrigeration apparatus so as to thaw the food frozen in the second temperature range according to the quantity of shipment specified by the shipment quantity specifying means,
The first shipping instruction information transmitting means and the second shipping instruction information transmitting means are
According to the amount of shipment specified by the shipment amount specifying means, the shipping instruction information related to the food shipping instruction is transmitted to a predetermined terminal,
Refrigeration equipment
The two-stage refrigeration system according to claim 1, further comprising a thawing means for thawing the food according to the thawing control means. The control unit
A cooled food storage means for storing the amount of food cooled to the first temperature range by the cooling means;
Frozen food storage means for storing the amount of food frozen in the second temperature range by the freezing means;
The amount of food cooled to the first temperature range stored by the cooled food storage means and / or the frozen food storage means with respect to the order quantity of food that needs to be shipped received by the order information receiving means. An arrival request information transmitting means for transmitting arrival request information for requesting arrival of the deficient food to a predetermined terminal when the amount of the food frozen in the stored second temperature range is insufficient; The two-stage refrigeration system according to claim 1 or 2. 4. The two-stage refrigeration system according to claim 1, wherein the cooling means is slurry ice. The food is cooled to a first temperature range that is a temperature range where freezing of the food does not start, and further, the food is cooled to a second temperature range lower than the first temperature range, and is executed in a freezing apparatus that freezes the food, Furthermore, a method executed in a control device for controlling the refrigeration device,
In the control device,
Accepts input of arrival information regarding the type or amount of food received,
Control the refrigeration unit to cool the food to the first temperature range according to the received arrival information,
Accepts order information regarding the type of food that needs to be shipped and the order quantity,
In accordance with the type and order quantity of the food that is required to be accepted, the shipping instruction information related to the shipping instruction of the food cooled to the first temperature range is transmitted to a predetermined terminal,
Of the food cooled to the first temperature range, the freezing device is controlled so that the food that has not been shipped after the shipment is executed according to the shipping instruction information is frozen at the second temperature range,
In refrigeration equipment,
According to the control by the control device
Cooling the food to the first temperature range,
A two-stage freezing method characterized by freezing food in a second temperature range. A cooling means for cooling the food to the first temperature range, which is a temperature range where freezing of the food does not start,
A program that is executed in a computer device that controls a freezing device that includes freezing means for freezing food in a second temperature range lower than the first temperature range,
Computer equipment,
Arrival information receiving means for receiving input of arrival information regarding the type or amount of received food,
Cooling control means for controlling the refrigeration apparatus so as to cool the food to the first temperature range according to the arrival information received by the arrival information reception means;
Order information accepting means for accepting input of order information relating to the type of food that needs to be shipped and the order quantity;
A first shipping instruction for sending shipping instruction information related to a shipping instruction of food cooled to the first temperature range to a predetermined terminal in accordance with the type of food that needs to be shipped and the order quantity received by the order information receiving means Information transmission means,
As a refrigeration control means for controlling the refrigeration apparatus so that food that has not been shipped after the shipment is performed according to the shipping instruction information among the food cooled to the first temperature range is frozen at the second temperature range. A two-stage refrigeration program characterized by functioning.

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