CN113128918A

CN113128918A - Cold storage type multi-temperature-zone heat preservation storage cabinet and refrigerating method and shared use method thereof

Info

Publication number: CN113128918A
Application number: CN201911367008.0A
Authority: CN
Inventors: 李宁; 张绍杰
Original assignee: China IPPR International Engineering Co Ltd
Current assignee: China IPPR International Engineering Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2021-07-16

Abstract

The invention relates to a cold accumulation type multi-temperature-zone heat preservation storage cabinet, which comprises: the system comprises a plurality of goods grids, a plurality of temperature sensors and a control unit, wherein each goods grid is respectively positioned in a preset temperature range; the refrigeration cold accumulation system is used for providing refrigerating fluid to adjust or maintain the temperature of the goods lattice; the interactive system is used for providing sharing operation of the user on the goods grid; and the control system is respectively connected with the interactive system, the refrigeration and cold accumulation system and all the goods grids so as to adjust or maintain the temperature of the appointed goods grids according to the goods access requirements acquired by the interactive system and execute the goods access operation of the appointed goods grids. And a refrigeration method and a shared use method of the cold storage type multi-temperature-zone heat preservation storage cabinet.

Description

Cold storage type multi-temperature-zone heat preservation storage cabinet and refrigerating method and shared use method thereof

Technical Field

The invention belongs to the field of sharing, and particularly relates to a shared heat-preservation storage cabinet, a refrigeration method thereof and a shared use method of the shared heat-preservation storage cabinet.

Background

With the development of sharing economy, the number of fresh couriers is rapidly increasing. Present ordinary sharing express delivery storage box does not possess the refrigeration function, only can regard as ordinary express delivery storage usefulness, can't keep giving birth to the terminal cold chain of bright express delivery, consequently, current bright express delivery of giving birth to adopts two kinds of modes usually:

firstly, cold accumulation objects are placed in the distribution box for low-temperature fresh-keeping, but the heat capacity of the common cold accumulation objects is not large, so that the long-time low temperature cannot be kept, and the freezing effect cannot be achieved; once the articles in the distribution box are taken out, the cold accumulation objects are discarded, thereby causing waste and environmental pollution;

secondly, customers are selected to carry out delivery at home, so that delivery density in unit time is increased, delivery efficiency is reduced, fresh goods are in a non-optimal storage temperature range, the fresh goods are easy to deteriorate, quality is reduced, and customer purchase experience is reduced.

Disclosure of Invention

In order to solve the above problems, the present invention provides a cold storage type multi-temperature-zone thermal insulation storage cabinet, comprising: the system comprises a plurality of goods grids, a plurality of temperature sensors and a control unit, wherein each goods grid is respectively positioned in a preset temperature range; the refrigeration cold accumulation system is used for providing refrigerating fluid to adjust or maintain the temperature of the goods lattice; the interactive system is used for providing sharing operation of the user on the goods grid; the control system is respectively connected with the interactive system, the refrigeration and cold accumulation system and all the goods grids so as to adjust or maintain the temperature of the appointed goods grids according to the goods access requirements obtained by the interactive system and execute the goods access operation of the appointed goods grids; a plurality of shelf groups are formed in a plurality of preset temperature intervals, and the preset temperature intervals are set to correspond to the conveying distance of the refrigerating fluid.

Further, the refrigeration cold-storage system comprises: the refrigeration module is connected with the control system and used for refrigerating the refrigerating fluid under the control of the control system to obtain cold accumulating fluid; the cold storage liquid is used for storing cold to the goods lattice; the conveying pipelines are used for conveying the cold accumulation liquid from the refrigeration module to the cooling module respectively; the backflow pipeline is used for returning backflow liquid after the cold accumulation liquid is cooled to the refrigeration module; the cold storage box is arranged on the conveying pipeline and used for storing cold storage liquid prepared by the refrigeration module; and the delivery pump is arranged at the outlet of the cold storage box of the delivery pipeline, is connected with the control system and is used for providing circulating power for the cold storage liquid under the control of the control system.

Preferably, the refrigeration cold storage system further comprises: and the liquid return tank is arranged on the return pipeline and used for storing the returned liquid.

Furthermore, a first switch is arranged at the joint of the cooling module and the conveying pipeline, and a second switch is arranged at the joint of the cooling module and the conveying pipeline; the first switch and the second switch are connected with the control system so as to be opened and closed under the control of the control system, and the temperature of the goods shelf where the cooling module is located is adjusted or maintained.

Preferably, the refrigeration cold accumulation system further comprises a re-cooling pipeline which is communicated with the conveying pipeline and the return pipeline, the re-cooling pipeline is provided with a third switch, the third switch is connected with the control system, and the control system controls the opening and closing of the first switch and/or the second switch and/or the third switch so as to directly return the return liquid of the current cargo compartment or return the return liquid after the return liquid is conveyed to the next cargo compartment for re-cooling through the re-cooling pipeline.

Further, this control system includes temperature-sensing device, and this temperature-sensing device is including setting up the temperature sensor in this goods check, and this temperature sensor is used for acquireing the current temperature of this goods check.

Further, this control system detects and locking device including closing the door, should close the door and detect and locking device and set up on the cabinet door of this goods check, and this control system detects and locking device through should closing the door and learns the state of this cabinet door to control the switching to this cabinet door when carrying out the access operation to this goods check.

Further, the method also comprises the following steps: the cargo lattice disinfection system comprises an ozone generator and an ozone conduit, wherein the ozone conduit is connected with the ozone generator and the cargo lattice so as to convey ozone generated by the ozone generator to the cargo lattice.

Preferably, the interactive system is a wireless interactive system, and the user is wirelessly connected with the interactive system through a user side of the mobile intelligent terminal to perform sharing operation.

Preferably, the refrigeration module takes commercial power as a working power supply, and in a valley period, the refrigeration module prepares the cold accumulation liquid and stores the cold accumulation liquid in the cold accumulation box; and in the peak power period, the cold accumulation liquid of the cold accumulation box is used for refrigerating the goods grids.

Preferably, the refrigeration module provides working power supply through the power generation device, and in the power generation period of the power generation device, the refrigeration module prepares the cold accumulation liquid and stores the cold accumulation liquid in the cold accumulation box; and in the power-off period of the power generation device, the cold accumulation liquid of the cold accumulation box is used for refrigerating the goods grids.

Preferably, the method further comprises the following steps: and the emergency power supply is electrically connected with the interactive system and the door closing detection and locking device respectively, and is used for providing an emergency working power supply for the interactive system and providing a power supply for the door closing detection and locking device to perform door opening operation.

The invention also provides a refrigeration method of the cold storage type multi-temperature-zone heat preservation storage cabinet, which is used for adjusting or maintaining the temperature of the goods grids of the cold storage type multi-temperature-zone heat preservation storage cabinet, and the method comprises the following steps: a refrigeration step, in which the temperature of the cold storage liquid conveyed by the specified cargo grid during the refrigeration time is adjusted or maintained so as to enable the specified cargo grid to reach the storage temperature during the storage time, wherein the refrigeration time is earlier than or equal to the storage time; and adjusting, namely adjusting the temperature of the specified goods grid at the adjustment time so that the specified goods grid reaches the goods taking temperature at the goods taking time, wherein the adjustment time is earlier than or equal to the goods taking time.

Further, the refrigerating step includes: if the current temperature of the specified goods grid is the lowest temperature value of all the goods grids, the cold accumulation liquid is used for adjusting or maintaining the temperature of the specified goods grid; and otherwise, judging whether the reflux liquid meeting the requirement of adjusting or maintaining the temperature of the specified cargo grid exists, if so, adjusting or maintaining the temperature of the specified cargo grid by using the reflux liquid, and otherwise, adjusting or maintaining the temperature of the specified cargo grid by using the cold storage liquid.

Preferably, the method further comprises: a cold accumulation step, in the valley period of the mains supply, driving a refrigeration and cold accumulation system of the cold accumulation type multi-temperature-zone heat preservation storage cabinet to prepare cold accumulation liquid, and storing the cold accumulation liquid in a cold accumulation box of the refrigeration and cold accumulation system; and in the peak power period of the commercial power, the cold accumulation liquid stored in the cold accumulation box is used for adjusting or maintaining the temperature of the specified goods grid.

Preferably, the method further comprises: a cold accumulation step, in the power generation period of wind power generation or solar power generation, driving a refrigeration and cold accumulation system of the cold accumulation type multi-temperature-region heat preservation storage cabinet to prepare cold accumulation liquid, and storing the cold accumulation liquid in a cold accumulation box of the refrigeration and cold accumulation system; and in the power-off period of wind power generation or solar power generation, the cold accumulation liquid stored in the cold accumulation box is used for adjusting or maintaining the temperature of the specified cargo grid.

Preferably, the method further comprises: and a cargo grid disinfection step, namely disinfecting the cargo grid according to a disinfection instruction sent by a control system of the cold storage type multi-temperature-zone heat-preservation storage cabinet.

The invention also provides a sharing use method for sharing the goods grids of the cold-storage multi-temperature-zone heat-preservation storage cabinet, which comprises the following steps: the method comprises the steps of storage preparation, interaction with a first user, selection of a specified goods lattice of a heat-preservation storage cabinet by the first user, setting of first time for storing goods into the specified goods lattice and first temperature for storing the goods, and generation of goods taking information; adjusting the designated shelf to reach the first temperature before the first time; a goods storage step, in which the goods are stored in the specified goods grid, and the specified goods grid is kept at the first temperature; interacting with a second user to obtain second time when the second user prepares to take out the goods and second temperature to which the goods are supposed to reach at the second time, and sending the goods taking information to the second user; a goods taking preparation step, in which the temperature of the specified goods lattice is adjusted in a first preset time, so that the goods lattice reaches and is kept at the second temperature before the second time; the first preset time is earlier than the second time; a goods taking-out step, namely unlocking the cabinet door of the specified goods grid after the second user shows the goods taking-out information, and prompting the second user to close the cabinet door after taking out the goods; when the goods are taken out, informing the first user and the second user that the current shared use of the specified goods grid is finished; and a cleaning step, cleaning the specified cargo grid, and adjusting or maintaining the current temperature of the specified cargo grid to enable the specified cargo grid to wait or enter the next round of sharing use.

Further, the cargo removing step further comprises: a delay information setting step of notifying the first user and the second user that the current shared use is finished if the goods are taken out at the second time, and entering the cleaning step; otherwise, interacting with the first user and/or the second user to set a third time for delaying the second user to pick the goods and update the goods picking information, and acquiring a third temperature to which the goods are supposed to reach at the third time; a delay temperature adjustment step of adjusting the designated cargo space at a second preset time to adjust the temperature so that the designated cargo space is at the third temperature at the third time; the second preset time is earlier than the third time; a delayed goods taking confirmation step of unlocking the cabinet door only after the delayed fee is collected and the updated goods taking information is displayed; if the second user takes out the goods at the third time, informing the first user and the second user that the current shared use is finished, and entering the cleaning step; otherwise, entering the next step; and a delay information updating step of judging whether the goods exceed the shelf life, if so, notifying the first user and the second user and clearing the specified goods grid, otherwise, updating the third time and the third temperature, and entering a delay temperature adjusting step.

Drawings

Fig. 1 is a schematic structural view of a cold storage type multi-temperature-zone thermal storage cabinet according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a cargo grid structure of an embodiment of the invention.

Fig. 3 is a schematic layout view of a cargo grid of a cold storage type multi-temperature-zone heat preservation storage cabinet according to an embodiment of the invention.

Fig. 4 is a flowchart of a sharing use method according to an embodiment of the present invention.

Fig. 5 is a flowchart of a method for refrigerating a cold storage type multi-temperature-zone heat preservation storage cabinet according to an embodiment of the invention.

Wherein the reference numerals are;

100: cold-storage type multi-temperature-zone heat-preservation storage cabinet

1: a cargo grid 11: the cabinet wall 12: cabinet door

21: the refrigeration device 22: cooling device 23: conveying pipeline

231: first switch 231-1: check valve 231-2: switch valve

24: the return line 241: second switch 25: cold storage box

26: the delivery pump 27: liquid return tank 28: secondary cooling pipeline

281: third switch 3: the interactive system 4: control system

41: temperature sensor 42: door closing detection and locking device

51: the ozone generator 52: ozone pipe 53: the fourth switch

6: solar cell panel 7: emergency power supply

Detailed Description

In order to make the objects, technical schemes and advantages of the present invention more clearly understood, the cold storage type multi-temperature-zone heat preservation storage cabinet, the refrigeration method thereof and the sharing method are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 is a schematic structural view of a cold storage type multi-temperature-zone heat preservation storage cabinet according to an embodiment of the present invention, fig. 2 is a schematic layout view of a cargo grid of the cold storage type multi-temperature-zone heat preservation storage cabinet according to an embodiment of the present invention, and fig. 3 is a schematic structural view of the cargo grid according to an embodiment of the present invention. As shown in fig. 1, a cold storage type multi-temperature-zone thermal storage cabinet 100 of the present invention includes: the system comprises a plurality of cargo grids 1, a refrigeration and cold accumulation system, an interaction system 3, a control system 4 and a cargo grid disinfection system, wherein each cargo grid 1 is arranged in a preset temperature range, for example, the temperature range of a cold accumulation type multi-temperature-zone heat preservation storage cabinet is between +15 ℃ and-25 ℃, the temperature range is expanded to be between +15 ℃ and-55 ℃ when needed, all the cargo grids 1 can be divided into N cargo grid groups, all the cargo grids of each cargo grid group are arranged in the same temperature range, for example, the temperature of all the cargo grids of the 1 st cargo grid group is between-45 ℃ and-55 ℃, the 2 nd cargo grid group is between-35 ℃ and-45 ℃, and so on, the Nth cargo grid group is between +15 ℃ and +5 ℃, the temperature range of the cargo grid group can be adjusted, and the temperature of the single cargo grid can be adjusted or maintained according to the cargo storage requirement, the invention is not limited thereto. In order to improve the utilization efficiency of the cold storage liquid, the goods grids/goods grids group with low preset temperature range are arranged at the position closer to the refrigeration cold storage system, namely, the goods grids/goods grids group with short conveying distance is arranged at the low preset temperature range according to the conveying distance of the cold storage liquid, the preset temperature range of the goods grids/goods grids group is gradually increased along with the increase of the conveying distance, and the cold storage liquid can be cooled for a plurality of times along with the increase of the temperature.

The refrigeration cold accumulation system comprises a refrigeration device 21, a cold release device 22, a conveying pipeline 23, a return pipeline 24, a cold accumulation box 25 and a conveying pump 26, as shown in fig. 1 and fig. 2, the refrigeration device 21 sequentially forms a circulation loop with the conveying pipeline 23, the cold release device 22 and the return pipeline 24, the cold accumulation box 25 and the conveying pump 26 are arranged in the conveying pipeline 23, refrigerant liquid circulates in the refrigeration cold accumulation system, firstly, the refrigerant liquid is prepared through the refrigeration device 21, the cold accumulation liquid is firstly stored in the cold accumulation box 25 through the conveying pipeline 23, when a certain cargo compartment 1 needs to be refrigerated, the conveying pump 26 provides circulation power, the refrigerant liquid is conveyed into the cold release device 22 in the cargo compartment 1 through the conveying pipeline 23, and the cold release device 22 is used for cold release, so that the temperature in the cargo compartment 1 is reduced or the temperature in the cargo compartment 1 is kept within a cargo storage requirement range; when the cold accumulation liquid is cooled down to become reflux liquid, the reflux liquid flows back to the refrigerating device 21 through the reflux pipeline 24 to be refrigerated again to become cold accumulation liquid; circulating in such a way that the cargo compartment 1 has and maintains the temperature meeting the cargo storage requirement; a first switch 231 is arranged on a conveying pipeline 23 at a cold accumulation liquid inlet of the cooling module 22, a second switch 241 is arranged on a return pipeline 24 at a return liquid outlet, wherein the first switch 231 comprises a one-way valve 231-1 and a switch valve 231-2, the one-way valve 231-1 ensures the cold accumulation liquid to flow in the forward direction, the switch valve 231-2 controls the cold accumulation liquid to flow into or not flow into the cooling module 22 by opening and closing, so as to adjust or maintain the temperature in the cargo space 1, and the second switch 241 is a one-way valve; in the embodiment of the present invention, the refrigerating device 21 employs a compressor to refrigerate the refrigerant fluid, and includes a low-temperature compressor unit, a refrigeration evaporator and a high-pressure pipeline, which are conventional technologies in the refrigeration technology field, and are not described herein again.

The cold accumulation type multi-temperature-zone heat preservation storage cabinet can work by using commercial power, when the cold accumulation type multi-temperature-zone heat preservation storage cabinet is in a valley power period, the refrigeration module 21 of the refrigeration cold accumulation system prepares cold accumulation liquid and stores the prepared cold accumulation liquid in the cold accumulation box 25, when the cold accumulation box is in a peak power period, the refrigeration module 21 stops working when enough cold accumulation liquid still exists in the cold accumulation box 25, the cold accumulation liquid in the cold accumulation box 25 is used for refrigerating a cargo lattice, and the refrigeration work is only carried out when the cold accumulation box 25 does not have enough cold accumulation liquid; the cold accumulation type multi-temperature-zone heat preservation storage cabinet can also generate electricity through a renewable energy power generation device to generate electric energy to work, when the power generation period of the power generation device is in, a refrigeration module 21 of a refrigeration cold accumulation system prepares cold accumulation liquid and stores the prepared cold accumulation liquid in a cold accumulation box 25, when the power failure period of the power generation device is in, the refrigeration module 21 stops working when enough cold accumulation liquid still exists in the cold accumulation box 25, the cold accumulation liquid in the cold accumulation box 25 is used for refrigerating a cargo compartment, and the refrigeration work is carried out through the supply of commercial power or other power sources only when the cold accumulation box 25 does not have enough cold accumulation liquid; the renewable energy power generation device of the present invention is, for example, one or a combination of a plurality of wind power generators, solar panels, waste heat power generation devices, and the like, and the present invention is not limited to which power input is used for the cooling operation.

In another embodiment of the present invention, as shown in fig. 1, the refrigeration cold storage system further includes a liquid return tank 27, the return liquid returned through the return pipeline 24 is firstly stored in the liquid return tank 27, and at a predetermined time, the return liquid in the liquid return tank 27 is refrigerated into the cold storage liquid through the refrigeration device 21, so that the refrigeration device 21 can be selected to operate at a suitable time, for example, when the commercial power is used for refrigeration, the cold storage liquid is prepared at the valley period, and stops operating at the peak period; for another example, when the refrigeration is performed by using wind power generation or solar power generation, the cold storage liquid is prepared in the power generation period, and the operation is stopped in the power failure period, which is not limited in the present invention; the cold storage tank 25 and the liquid return tank 27 can be used as a storage tank for cold storage liquid through a pipeline and a switch at the same time, and the full/empty state is alternated: the return liquid flows back to the refrigerating device 21 through the return pipeline 24 and is refrigerated into cold accumulation liquid to be stored in the cold accumulation box 25 until the cold accumulation liquid in the cold accumulation box 25 reaches a set high liquid level; then, the liquid returning box 27 is used as a cold storage liquid storage box with the same function as the cold storage box 25, the cold storage liquid prepared by the refrigerating device 21 is stored in the liquid returning box 27, during the period, the cold storage liquid in the cold storage box 25 is used for refrigerating or maintaining the temperature of the goods lattice, when the cold storage liquid in the cold storage box 25 reaches a set low liquid level, the cold storage liquid in the liquid returning box 27 is switched to refrigerate or maintain the temperature of the goods lattice, and the cold storage liquid prepared by the refrigerating device 21 is stored in the cold storage box 25 or stops working, so that at most two boxes can store the cold storage liquid, and the refrigerating device 21 can prepare more cold storage liquid in a proper working period, thereby reducing the operation cost.

In another embodiment of the present invention, the refrigeration cold accumulation system further includes a re-cooling pipeline 28, the re-cooling pipeline 28 communicates the conveying pipeline 23 and the return pipeline 24, the re-cooling pipeline 28 is provided with a third switch 281, the re-cooling pipeline 28 is used for conveying the return liquid still meeting the refrigeration requirement to the cargo compartment having the refrigeration requirement for refrigeration, for example, the temperature requirement of the cargo compartment a is-35 ℃, in the refrigeration process of the cargo compartment a, the cold accumulation liquid reaches-30 ℃, the cargo compartment a cannot be cooled continuously, so the return liquid which becomes the cargo compartment a is returned, but the return liquid at-30 ℃ can still cool the cargo compartment B having the requirement temperature of-10 ℃, the return liquid at-30 ℃ can be conveyed to the cargo compartment B for re-cooling by the re-cooling pipeline 28 and the third switch 281 in cooperation with the corresponding conveying pipeline 23, to increase the efficiency of use of the reflux.

The interactive system 3 is used for providing the sharing operation of the user to the goods grid, the merchant and/or the user selects the goods grid, sets the inventory/goods taking time, sets the inventory/goods taking temperature, sets the delayed goods taking time/temperature, and the operator of the cold storage type multi-temperature-zone heat preservation storage cabinet sets and charges the use fee/delayed fee, informs the merchant and/or the user of the relevant information, all implemented by the interactive system 3, the interactive system 3 can adopt a wireless interactive system, the merchant and the user interact with the interactive system 3 by a client installed on a mobile intelligent terminal through, for example, a 4G/5G network, a wide area network, a local area network and the like, sets the relevant parameters of goods access and accesses the goods; or an interactive system with a human-computer interface is adopted to carry out interaction in the modes of preset information, passwords and the like; or an interactive system adopting other modes, and the embodiments of the present invention can implement the above interactive modes individually or in combination.

The control system 4 is respectively connected with all the goods grids 1, the refrigeration cold accumulation system 2 and the interactive system 3, the control system 4 comprises a temperature sensor and a door closing detection and locking device, goods access requirements are obtained from merchants and/or users through the interactive system 3, the refrigeration cold accumulation system 2 is controlled to adjust or maintain the temperature of the appointed goods grids according to the current temperature of the goods grids obtained by the temperature sensor, and the door closing detection and locking device is controlled to execute goods access operation on the goods grids 1.

The embodiment of the invention also comprises a goods lattice disinfection system which adopts an ozone disinfection mode, namely ozone is conveyed into the goods lattice, and the goods lattice is disinfected by utilizing the strong oxidizing property of the ozone; the cargo grid disinfection system comprises an ozone generator 51 and an ozone pipeline 52, wherein the ozone pipeline 52 is connected with the ozone generator 51 and each cargo grid 1 so as to convey ozone generated by the ozone generator 51 to each cargo grid 1 for ozone disinfection; ozone conduit 52 may also include a fourth switch 53 at the ozone inlet of each cargo compartment 1, where fourth switch 53 is connected to control system 4 to perform ozone disinfection on any or some or all of the cargo compartments under the control of control system 4.

The embodiment of the invention further comprises an emergency power supply 7, wherein the emergency power supply 7 is electrically connected with the interactive system 3 and is used for providing emergency working power for the interactive system 3 and the door closing detection and locking device, so that when no main power supply is input, the interactive system 3 is supported to send a notification to an operator and/or a merchant and/or a user, and receive an instruction of the operator and/or the merchant and/or the user to perform emergency operation, for example, the door closing detection and locking device is supported to provide required power when the cabinet door is opened.

As shown in fig. 2, each cargo compartment 1 is a hollow cuboid, and has five cabinet walls 11 and one cabinet door 12, and adjacent cargo compartments may share one cabinet wall or have respective cabinet walls, and the cabinet walls 11 and the cabinet doors 12 are both made of thermal insulation materials, so as to improve the thermal insulation performance of the cargo compartment 1; the cooling unit 22 is arranged in the cargo compartment 1 and is positioned at the top or the side wall of the cargo compartment 1; the temperature sensor 41 of the control system 4 is arranged in the cargo compartment 1 and positioned on the side wall of the cargo compartment 1, and is used for providing the current temperature of the cargo compartment 1 for the control system 4; the door closing control detection and locking device 42 of the control system 4 is disposed on the cabinet door 12, and is used for detecting whether the cabinet door 12 is closed, and reminding a merchant or a user through an audible and visual signal when the cabinet door is not closed, or sending a prompt message that the cabinet door is not closed to the merchant or the user through the interactive system 3, and in addition, when the merchant or the user accesses goods, the door closing detection and locking device 42 is also used for controlling the opening of the cabinet door 12.

The cold-storage type multi-temperature-zone heat-preservation storage cabinet is provided with a plurality of goods grids with different sizes, as shown in fig. 3, the cold-storage type multi-temperature-zone heat-preservation storage cabinet 100 is provided with N layers of goods grids, each layer of goods grids is positioned in a preset temperature interval to form a goods grid group, each layer is provided with M goods grids, and the goods grids on each layer have volumes with various sizes, so that merchants can conveniently select the goods grids with the most suitable sizes to store goods; the refrigerating device, the cold storage box, the liquid return box and the delivery pump of the refrigeration and cold storage system 2 and the ozone generator 51 of the cargo grid disinfection system are arranged at the bottom of the cold storage type multi-temperature-zone heat preservation storage cabinet 100 or other suitable positions; the interactive system 3, the control system 4 and the emergency power supply 7 are arranged on one side of the cold storage type multi-temperature-zone heat preservation storage cabinet 100 or other suitable arrangement positions; in this embodiment, adopt solar cell panel to provide working power supply, solar cell panel 6 sets up in the top of cold-storage multi-temperature-zone heat preservation cabinet 100 to extend forward from the top, when providing working power supply, still do cold-storage multi-temperature-zone heat preservation cabinet 100's rain fender simultaneously, in order to prevent that the rainwater from directly drenching to the cabinet door of goods check.

Fig. 4 is a flowchart of a sharing use method according to an embodiment of the present invention. As shown in fig. 4, specifically, the shared use method of the present invention includes:

step S101, interacting with a merchant, when the merchant puts forward a goods storage demand, selecting a goods grid R by the merchant, setting the time T1 for storing goods and the temperature C1 of the goods grid R during goods storage, generating goods taking information S0 according to the number Ref and the time T1 of the goods grid R, and simultaneously generating the use fee M of the goods grid R and sending the use fee M to the merchant or a user;

step S102, adjusting the temperature of the cargo grid R at a time T1 'to make the temperature C0 of the cargo grid R reach the temperature C1 at a time T1, wherein the time T1' is equal to or earlier than the time T1;

step S103, a merchant or a courier appointed by the merchant stores the goods into a goods grid R; the time for storing the goods into the cargo space R is not necessarily the time T1, but it should be understood that the shared use of the cargo space R in this turn is started from the time T1, or from a time commonly recognized by the merchant and the operator, and the invention is not limited thereto;

step S104, monitoring the temperature C0 of the cargo grid R, if C0 is equal to C1, keeping the temperature of the cargo grid R, and if C0 is not equal to C1, adjusting the temperature of the cargo grid R so that C0 is equal to C1; the sharing method of the present invention does not strictly limit the relationship between C0 and C1, that is, C0 equal to C1 means that C1 is in the range of C0, for example, C1 is-10 ℃, then if C0 is any value between-12 ℃ and-8 ℃, then C0 is considered equal to C1, otherwise, C0 is not equal to C1;

step S105, interacting with a user, sending goods taking information S0 to the user for receiving goods, and acquiring goods taking time T2 and goods temperature C2 required during goods taking from the user;

step S106, adjusting the temperature C0 of the cargo grid R starting at a time T2 'so that the temperature of the cargo grid R reaches the temperature C2 at a time T2, wherein the time T2' is equal to or earlier than the time T2;

step S107, judging whether the user takes the goods according to the time T2, and if the user takes the goods according to the time and receives the use fee M paid by the merchant or the user, turning to step S110; if the goods are not taken on time, the step S108 is carried out; in the sharing method, the user picks the goods on time, namely picking the goods at any time in the time period of T2;

step S108, interacting with the user again, obtaining the delayed goods taking time T2 and the temperature C2 of the goods grid R required in the delayed goods taking process from the user, and updating the goods grid use fee M;

step S109, judging whether the user takes the goods according to time T2, and if the user takes the goods according to time and receives the use fee M paid by the merchant or the user, turning to step S110; if the goods are not taken on time, the step S111 is carried out; in the sharing method, the user picks the goods on time, namely picking the goods at any time in the time period of T2;

step S110, after the user takes the goods, sending a notice that the user has taken the goods to the merchant and the user;

step S111, judging whether the goods are still in the quality guarantee period, if so, turning to step S108, acquiring the goods taking time T2 again from the user to update T2, and delaying the temperature C2 of the goods grid R required during goods taking to update C2; if the goods exceed the shelf life, the step S112 is carried out;

and step S112, informing the operator of clearing the goods shelf and informing the merchant and the user of the current goods state when the goods exceed the quality guarantee period.

In shared use, when the storage cabinet is in an initial state, the refrigerating device refrigerates all the cold accumulation liquid, and stops refrigerating when reaching the required temperature. When a merchant or a courier needs to deliver, a destination storage cabinet can be selected through the wireless terminal, the goods grids with required sizes and quantities are selected, a proper temperature interval is selected, and submission is confirmed; the destination storage cabinet receives the instruction through the wireless receiving and sending system, the control system calls the data of the goods lattice temperature sensor selected by the merchant or the courier according to the instruction and checks the data, if the data are not accordant, the designated goods lattice is subjected to rapid temperature adjustment until the temperature in the goods lattice reaches the temperature required by the merchant or the courier, information is returned to the merchant or the courier, the goods lattice is confirmed to reach the required temperature, and the temperature is kept. When a merchant or a courier arrives at a storage cabinet, a handheld wireless terminal device is used for scanning a code of the storage cabinet body and confirming the arrival, after the storage cabinet receives the arrival information of the merchant or the courier through a wireless system, an electronic lock of a goods lattice selected by the merchant or the courier is unlocked, and a corresponding goods lattice door indicator lamp is lightened; when the goods are put into the goods grid and closed, the goods grid indicating lamp is turned off, and express delivery extraction information is automatically sent to the customer through the interactive system. After receiving the express delivery extraction information, the customer carries the goods in a limited time, and the goods can be extracted through various modes such as password input, code scanning, facial recognition and the like of the storage cabinet operation terminal, or the storage cabinet body code is scanned by a handheld wireless terminal to confirm the goods carrying; after the wireless system of the storage cabinet receives the confirmation information, the corresponding goods grid door is unlocked and opened through the control system, the customer is reminded in a light flashing mode, and after the customer takes the goods away and closes the door, the goods grid door indicating lamp is turned off, otherwise, the goods grid door indicating lamp keeps in a flashing state. When the customer delivery time exceeds the free time, the customer wireless terminal can remind the customer of overtime and the amount of money to be paid by the customer, and after the customer pays the money, the storage cabinet control system receives an unpacking confirmation instruction through the wireless system, opens the corresponding cargo lattice and prompts the customer through light flashing.

Fig. 5 is a flowchart of a method for refrigerating a cold storage type multi-temperature-zone heat preservation storage cabinet according to an embodiment of the invention. As shown in fig. 5, the present invention further provides a method for refrigerating a cold storage type multi-temperature-zone thermal storage cabinet, including:

step S201, refrigerating with a refrigerating device to prepare cold storage liquid and store the cold storage liquid in a cold storage box;

for the cold storage type multi-temperature-zone heat preservation storage cabinet which adopts commercial power for refrigeration, a refrigeration device is selected to prepare cold storage liquid in a valley power period, the cold storage liquid is stored in a cold storage box, the refrigeration device is stopped to work in a peak power period, and the temperature of a cargo lattice is adjusted or maintained by the cold storage liquid stored in the cold storage box;

for the cold storage type multi-temperature-zone heat preservation storage cabinet which adopts wind power generation or solar power generation for refrigeration, a refrigeration device is selected to prepare cold storage liquid in the power generation period of the wind power generation or the solar power generation and store the cold storage liquid in a cold storage box, and the refrigeration device is stopped to work in the power failure period of the wind power generation or the solar power generation, so that the temperature of a cargo lattice is adjusted or maintained by the cold storage liquid stored in the cold storage box;

step S202, acquiring the temperature C required by the goods grid R for storing goods according to the goods storage requirement received by the interactive system;

step S203, the control system controls to adjust the temperature of the goods grid R so that the goods grid R reaches the temperature C 'at the time T'; the time T 'is the time when the goods are stored in the goods grid R, and the temperature C' is the temperature which needs to be kept by the goods grid R when the goods are stored in the goods grid R;

the temperature adjustment process specifically comprises the following steps: firstly, judging whether the return liquid meeting the requirement of temperature adjustment on the cargo compartment R exists in the cargo compartment R ', if so, conveying the return liquid meeting the requirement from the cargo compartment R ' to the cargo compartment R through a cold discharge pipeline for temperature adjustment, wherein the current temperature of the cargo compartment R ' is lower than that of the cargo compartment R; if the return liquid meeting the requirements does not exist, the temperature of the cargo grid R is adjusted by the cold accumulation liquid stored in the cold accumulation box;

step S204, the control system adjusts the temperature of the goods grid R so that the goods grid R reaches the temperature C at the time T'; the time T 'is the time when the goods are taken out of the goods grid R, and the temperature C' is the temperature required to be kept by the goods grid R when the goods are taken out of the goods grid R;

s205, according to a disinfection instruction sent by a control system, carrying out disinfection operation on the goods shelf in an ozone mode; step S205 is not limited to the case where the goods are taken out and not used in the next round of sharing, and the goods shelf sterilization operation can be performed at any time after the permission of the merchant and the user is obtained; the present invention is not limited to this, and a single sterilization operation may be performed on a certain compartment, or a sterilization operation may be performed on some or all compartments at the same time.

It should be understood that, in all the above-mentioned adjustments of the shelf temperature, the heating operation may be performed by using the reflux liquid with a high temperature, or may be performed by stopping the transportation of the cold storage liquid and performing the natural heating; and stopping cooling part or all of the goods grids, and when the part or all of the goods grids have the ambient temperature, the cold-storage type multi-temperature-zone heat-preservation storage cabinet can also be partially or completely used as a common intelligent express cabinet, which is not limited by the invention.

The fresh food storage cabinet solves the problem that the existing fresh food storage cabinet is single in storage function, different storage temperature requirements can be realized in the same cabinet body, the application range of the storage cabinet is greatly expanded, the future fresh food distribution system and logistics system expansion requirements can be flexibly met, the safety, the real-time performance and the practicability of storing fresh frozen products and other articles are improved, the fresh frozen products can be stored in an optimal temperature environment, and the purchase experience of customers is further improved.

It should be noted that, all the steps described in the above embodiments are not necessary, and those skilled in the art may make appropriate substitutions, replacements, modifications, and the like according to actual needs.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a cold-storage formula multi-temperature-zone heat preservation cabinet which characterized in that includes:

the system comprises a plurality of goods grids, a plurality of temperature sensors and a control unit, wherein each goods grid is respectively positioned in a preset temperature range;

the refrigeration cold accumulation system is used for providing refrigerating fluid to adjust or maintain the temperature of the goods lattice;

the interactive system is used for providing sharing operation of the user on the goods grid;

and the control system is respectively connected with the interactive system, the refrigeration and cold accumulation system and all the goods grids so as to adjust or maintain the temperature of the appointed goods grids according to the goods access requirements acquired by the interactive system and execute the goods access operation of the appointed goods grids.

2. The insulated storage cabinet with multiple temperature zones according to claim 1, wherein the predetermined temperature zone is set according to the transport distance of the refrigerant fluid.

3. The thermal storage cabinet with multiple temperature zones as claimed in claim 2, wherein the refrigeration and cold storage system comprises:

the refrigeration module is connected with the control system and used for refrigerating the refrigerating fluid under the control of the control system to obtain cold accumulating fluid;

the cold storage liquid is used for storing cold to the goods lattice;

the conveying pipelines are used for conveying the cold accumulation liquid from the refrigeration module to the cooling module respectively;

the backflow pipeline is used for returning backflow liquid after the cold accumulation liquid is cooled to the refrigeration module;

the cold storage box is arranged on the conveying pipeline and used for storing cold storage liquid prepared by the refrigeration module;

and the delivery pump is arranged at the outlet of the cold storage box of the delivery pipeline, is connected with the control system and is used for providing circulating power for the cold storage liquid under the control of the control system.

4. The thermal storage cabinet with multiple temperature zones as claimed in claim 3, wherein the refrigeration and cold storage system further comprises:

and the liquid return tank is arranged on the return pipeline and used for storing the returned liquid.

5. The cold-storage multi-temperature-zone thermal-insulation storage cabinet according to claim 3,

a first switch is arranged at the joint of the cooling module and the conveying pipeline, and a second switch is arranged at the joint of the cooling module and the conveying pipeline; the first switch and the second switch are connected with the control system so as to be opened and closed under the control of the control system, and the temperature of the goods shelf where the cooling module is located is adjusted or maintained.

6. The cold-storage multi-temperature-zone heat-preservation storage cabinet according to claim 5, further comprising a re-cooling pipeline, wherein the re-cooling pipeline is communicated with the conveying pipeline and the return pipeline, the re-cooling pipeline is provided with a third switch, the third switch is connected with the control system, and the control system controls the opening and closing of the first switch and/or the second switch and/or the third switch so as to directly return the return liquid of the current cargo compartment or return the return liquid after being conveyed to the next cargo compartment through the re-cooling pipeline for re-cooling.

7. The thermal storage cabinet with multiple temperature zones according to claim 1, wherein the control system comprises a temperature sensor disposed in the cargo compartment, the temperature sensor being configured to obtain a current temperature of the cargo compartment.

8. The thermal storage cabinet with a cool storage type multi-temperature zone according to claim 1, wherein the control system comprises a door closing detection and locking device, the door closing detection and locking device is disposed on the door of the cargo compartment, and the control system learns the state of the door through the door closing detection and locking device and controls the opening and closing of the door when the access operation to the cargo compartment is performed.

9. The thermal storage cabinet with multiple temperature zones according to claim 1, further comprising:

the cargo lattice disinfection system comprises an ozone generator and an ozone conduit, wherein the ozone conduit is connected with the ozone generator and the cargo lattice so as to convey ozone generated by the ozone generator to the cargo lattice.

10. The thermal storage cabinet with multiple temperature zones according to claim 1, wherein the interactive system is a wireless interactive system, and the user is wirelessly connected with the interactive system through a user terminal of the mobile intelligent terminal to perform sharing operation.

11. The thermal storage cabinet with multiple temperature zones according to claim 3, wherein the refrigeration module uses commercial power as the working power source, and during the off-peak period, the refrigeration module prepares the cold storage liquid and stores the cold storage liquid in the cold storage box; and in the peak power period, the cold accumulation liquid of the cold accumulation box is used for refrigerating the goods grids.

12. The thermal storage cabinet of claim 3, wherein the refrigeration module provides working power through the power generation device, and during the power generation period of the power generation device, the refrigeration module prepares the cold storage liquid and stores the cold storage liquid in the cold storage box; and in the power-off period of the power generation device, the cold accumulation liquid of the cold accumulation box is used for refrigerating the goods grids.

13. The thermal storage cabinet with multiple temperature zones according to claim 8, further comprising:

and the emergency power supply is electrically connected with the interactive system and the door closing detection and locking device respectively, and is used for providing an emergency working power supply for the interactive system and providing a power supply for the door closing detection and locking device to perform door opening operation.

14. A method for refrigerating a cold storage type multi-temperature-zone thermal storage cabinet, which is used for adjusting or maintaining the temperature of the cargo grid of the cold storage type multi-temperature-zone thermal storage cabinet according to any one of claims 1 to 13, and comprises the following steps:

a refrigeration step, in which the temperature of the specified goods grid is adjusted or maintained in the refrigeration time of the specified goods grid so as to enable the specified goods grid to reach the storage temperature in the storage time, wherein the refrigeration time is earlier than or equal to the storage time;

and adjusting, namely adjusting the temperature of the specified goods grid at the adjustment time so that the specified goods grid reaches the goods taking temperature at the goods taking time, wherein the adjustment time is earlier than or equal to the goods taking time.

15. The method for refrigerating the cold-storage multi-temperature-zone heat-preservation storage cabinet as claimed in claim 14, wherein the refrigerating step comprises:

if the current temperature of the specified goods grid is the lowest temperature value of all the goods grids, the cold accumulation liquid is used for adjusting or maintaining the temperature of the specified goods grid; and otherwise, judging whether the reflux liquid meeting the requirement of adjusting or maintaining the temperature of the specified cargo grid exists, if so, adjusting or maintaining the temperature of the specified cargo grid by using the reflux liquid, and otherwise, adjusting or maintaining the temperature of the specified cargo grid by using the cold storage liquid.

16. The use method of the cool storage type multi-temperature-zone heat preservation storage cabinet according to claim 14, further comprising:

a cold accumulation step, in the valley period of the mains supply, driving a refrigeration and cold accumulation system of the cold accumulation type multi-temperature-zone heat preservation storage cabinet to prepare cold accumulation liquid, and storing the cold accumulation liquid in a cold accumulation box of the refrigeration and cold accumulation system; and in the peak power period of the commercial power, the cold accumulation liquid stored in the cold accumulation box is used for adjusting or maintaining the temperature of the specified goods grid.

17. The use method of the cool storage type multi-temperature-zone heat preservation storage cabinet according to claim 14, further comprising:

a cold accumulation step, in the power generation period of the power generation device, driving a refrigeration and cold accumulation system of the cold accumulation type multi-temperature-zone heat preservation storage cabinet to prepare the cold accumulation liquid, and storing the cold accumulation liquid in a cold accumulation box of the refrigeration and cold accumulation system; and during the power-off period of the power generation device, the temperature of the specified cargo grid is adjusted or maintained by using the cold accumulation liquid stored in the cold accumulation box.

18. The use method of the cool storage type multi-temperature-zone heat preservation storage cabinet according to claim 14, further comprising:

and a cargo grid disinfection step, namely disinfecting the cargo grid according to a disinfection instruction sent by a control system of the cold storage type multi-temperature-zone heat-preservation storage cabinet.

19. A shared use method for sharing the cargo space of the cold storage type multi-temperature-zone heat preservation storage cabinet according to any one of claims 1 to 13, the method comprising:

the method comprises the steps of storage preparation, interaction with a first user, selection of a specified goods lattice of a heat-preservation storage cabinet by the first user, setting of first time for storing goods into the specified goods lattice and first temperature for storing the goods, and generation of goods taking information; adjusting the designated shelf to reach the first temperature before the first time;

a goods storage step, in which the goods are stored in the specified goods grid, and the specified goods grid is kept at the first temperature; interacting with a second user to obtain second time when the second user prepares to take out the goods and second temperature to which the goods are supposed to reach at the second time, and sending the goods taking information to the second user;

a goods taking preparation step, in which the temperature of the specified goods lattice is adjusted in a first preset time, so that the goods lattice reaches and is kept at the second temperature before the second time; the first preset time is earlier than the second time;

a goods taking-out step, namely unlocking the cabinet door of the specified goods grid after the second user shows the goods taking-out information, and prompting the second user to close the cabinet door after taking out the goods; when the goods are taken out, informing the first user and the second user that the current shared use of the specified goods grid is finished;

and a cleaning step, cleaning the specified cargo grid, and adjusting or maintaining the current temperature of the specified cargo grid to enable the specified cargo grid to wait or enter the next round of sharing use.

20. The shared use method of claim 19, wherein the goods removal step further comprises:

a delay information setting step of notifying the first user and the second user that the current shared use is finished if the goods are taken out at the second time, and entering the cleaning step; otherwise, interacting with the first user and/or the second user to set a third time for delaying the second user to pick the goods and update the goods picking information, and acquiring a third temperature to which the goods are supposed to reach at the third time;

a delay temperature adjustment step of adjusting the designated cargo space at a second preset time to adjust the temperature so that the designated cargo space is at the third temperature at the third time; the second preset time is earlier than the third time;

a delayed goods taking confirmation step of unlocking the cabinet door only after the delayed fee is collected and the updated goods taking information is displayed; if the second user takes out the goods at the third time, informing the first user and the second user that the current shared use is finished, and entering the cleaning step; otherwise, entering the next step;

and a delay information updating step of judging whether the goods exceed the shelf life, if so, notifying the first user and the second user and clearing the specified goods grid, otherwise, updating the third time and the third temperature, and entering a delay temperature adjusting step.