CN112651679A - Cold chain transportation route planning method and device and computer equipment - Google Patents
Cold chain transportation route planning method and device and computer equipment Download PDFInfo
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Abstract
The invention discloses a cold chain transportation route planning method, a cold chain transportation route planning device and computer equipment. The cold chain transportation route planning method comprises the following steps: acquiring the residual cold quantity of the cold storage box; acquiring the unit time cold release amount of the cold storage box; acquiring the external average temperature from a transportation starting point to a transportation terminal point; determining the cold accumulation residual use time length according to the residual cold quantity, the unit time cold release quantity and the external average temperature; acquiring the transportation time from a transportation starting point to a transportation terminal point; and planning a transportation route according to the transportation time length and the cold accumulation residual use time length. The cold-chain transportation route planning method, the cold-chain transportation route planning device and the computer equipment provided by the embodiment of the invention can accurately quantize the cold energy of the cold storage box, so that the cold-chain transportation route is intelligently managed, and the heat preservation effect of goods is ensured.
Description
Technical Field
The invention relates to the technical field of cold chains, in particular to a cold chain transportation route planning method, a cold chain transportation route planning device and computer equipment.
Background
A cold chain container (cold storage tank) is a thermal insulation transportation device used for transporting temperature-sensitive goods such as fresh food, vegetables and fruits, pharmaceuticals and the like. The cold accumulation equipment (such as a cold accumulation plate) capable of releasing cold is arranged in the box, so that the product can be kept in a certain temperature range in the transportation process, and the quality of goods is not guaranteed by the change of the temperature and the humidity of the surrounding environment. When transporting goods, the goods in the same vehicle may not be sent to the same location, but may be sent to a plurality of different locations. If the transportation route is not well planned, the cold energy of the cold accumulation equipment can be completely released, and the goods are not delivered to the destination. Therefore, an intelligent cold chain transportation route planning method is needed to avoid influencing the heat preservation effect of the goods.
Disclosure of Invention
The object of the present invention is to solve at least to some extent one of the above mentioned technical problems.
Therefore, a first object of the present invention is to provide a method for planning a cold-chain transportation route, which can accurately quantify the cooling capacity of a cold storage box, so as to intelligently manage the cold-chain transportation route and ensure the heat preservation effect of the goods.
The second purpose of the invention is to provide a cold chain transportation route planning device.
A third object of the invention is to propose a computer device.
A fourth object of the invention is to propose a non-transitory computer-readable storage medium.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a cold chain transportation route planning method, including:
acquiring the residual cold quantity of the cold storage box;
acquiring the unit time cold release amount of the cold storage box;
acquiring the external average temperature from a transportation starting point to a transportation terminal point;
determining the cold accumulation residual use time length according to the residual cold quantity, the unit time cold release quantity and the external average temperature;
acquiring the transportation time from the transportation starting point to the transportation terminal point;
and planning a transportation route according to the transportation time length and the cold accumulation residual use time length.
Optionally, the acquiring the unit time cooling capacity of the cold storage box includes:
acquiring the heat leakage value and the cold release duration of the cold storage box;
acquiring a temperature difference value between the inside and the outside of the cold storage box;
and determining the cold releasing amount of the cold storage box in unit time according to the heat leakage value, the temperature difference value between the inside and the outside of the cold storage box and the cold releasing duration.
Optionally, the obtaining the transportation duration from the transportation starting point to the transportation ending point includes:
acquiring the distance from the transportation starting point to the transportation terminal point;
acquiring the running speed of a transport vehicle;
and determining the transportation time length according to the distance and the running speed.
Optionally, planning a transportation route according to the transportation duration and the cold storage remaining usage duration includes:
judging whether the transport time length is longer than the cold accumulation residual use time length or not;
if the transport time length is less than the cold accumulation use time length, controlling the transport vehicle to keep the current transport route unchanged;
and if the transportation duration is longer than the cold accumulation use duration, acquiring the position information of at least one cold filling station meeting preset conditions, selecting one cold filling station as a midpoint, and adding the midpoint to the current transportation route.
According to the cold chain transportation route planning method provided by the embodiment of the invention, the cold storage surplus capacity of the cold storage box is obtained, the cold release capacity of the cold storage box in unit time is obtained, the external average temperature from the transportation starting point to the transportation destination is obtained, the cold release capacity in unit time and the external average temperature are determined according to the cold storage surplus capacity, the cold release capacity in unit time and the external average temperature, the transportation duration from the transportation starting point to the transportation destination is obtained, the transportation route is planned according to the transportation duration and the cold storage surplus usage duration, the cold storage capacity of the cold storage box can be accurately quantized, the cold chain transportation route is intelligently managed, and the heat preservation effect of goods is ensured.
In order to achieve the above object, a second aspect of the present invention provides a cold chain transportation route planning apparatus, including:
the first acquisition module is used for acquiring the residual cold quantity of the cold storage box;
the second acquisition module is used for acquiring the unit time cold release amount of the cold storage box;
the third acquisition module is used for acquiring the external average temperature from the transportation starting point to the transportation terminal point;
the first determining module is used for determining the cold accumulation residual service time according to the residual cold quantity, the unit time cold release quantity and the external average temperature;
the fourth acquisition module is used for acquiring the transportation time length from the transportation starting point to the transportation terminal point;
and the planning module is used for planning a transportation route according to the transportation time length and the cold accumulation residual use time length.
Optionally, the second obtaining module is configured to:
acquiring the heat leakage value and the cold release duration of the cold storage box;
acquiring a temperature difference value between the inside and the outside of the cold storage box;
and determining the cold releasing amount of the cold storage box in unit time according to the heat leakage value, the temperature difference value between the inside and the outside of the cold storage box and the cold releasing duration.
Optionally, the fourth obtaining module is configured to:
acquiring the distance from the transportation starting point to the transportation terminal point;
acquiring the running speed of a transport vehicle;
and determining the transportation time length according to the distance and the running speed.
Optionally, the planning module is configured to:
judging whether the transport time length is longer than the cold accumulation residual use time length or not;
if the transport time length is less than the cold accumulation use time length, controlling the transport vehicle to keep the current transport route unchanged;
and if the transportation duration is longer than the cold accumulation use duration, acquiring the position information of at least one cold filling station meeting preset conditions, selecting one cold filling station as a midpoint, and adding the midpoint to the current transportation route.
The cold chain transportation route planning device provided by the embodiment of the invention can be used for accurately quantifying the cold energy of the cold storage box by acquiring the residual cold energy of the cold storage box, acquiring the cold release amount of the cold storage box in unit time, acquiring the external average temperature from a transportation starting point to a transportation destination, determining the residual cold storage use time according to the residual cold energy, the cold release amount in unit time and the external average temperature, acquiring the transportation time from the transportation starting point to the transportation destination, and planning the transportation route according to the transportation time and the residual cold storage use time, so that the cold storage of the cold storage box can be intelligently managed, and the heat preservation effect of goods can be ensured.
In order to achieve the above object, an embodiment of a third aspect of the present invention provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the computer program to implement the cold-chain transportation route planning method according to the embodiment of the first aspect.
In order to achieve the above object, a non-transitory computer-readable storage medium is further provided in an embodiment of a fourth aspect of the present invention, where a computer program is stored on the non-transitory computer-readable storage medium, and when executed by a processor, the computer program implements the cold chain transportation route planning method according to the embodiment of the first aspect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a cold chain transportation route planning method of one embodiment of the present invention;
fig. 2 is a flow chart of acquiring the cooling capacity per unit time of the cold storage box according to an embodiment of the invention;
fig. 3 is a flow chart for planning a transportation route according to a transportation time period and a cold storage remaining use time period according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cold chain transportation route planning device according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The present invention is described in further detail below with reference to specific examples, which are not to be construed as limiting the scope of the invention as claimed.
The cold chain transportation route planning method, device and computer equipment according to the embodiments of the present invention are described below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a cold chain transportation route planning method according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
and S1, acquiring the residual cold of the cold storage box.
The residual cold quantity refers to the cold quantity remained in the cold storage box at a certain moment in the cold chain transportation process. For example, the cold storage tank is filled with cold (the latent heat value of the cold storage material is a known value) at the site a. When the goods are transported from the site A to the site B, the cold storage material of the cold storage box starts to release cold (leak heat) in the process, and cold loss is generated, so that when the goods arrive at the site B, the residual cold of the cold storage box is the total cold minus the released cold.
And S2, acquiring the unit time cold release amount of the cold storage box.
Wherein the cold releasing quantity in unit time is the cold releasing quantity per degree centigrade in unit time. The amount of cold released per unit time can be obtained through measurement and calculation in an experimental manner, and can also be obtained through measurement and calculation of an actual transportation process.
In an embodiment of the present invention, as shown in fig. 2, the method for acquiring the cold releasing amount per unit time of the cold storage box specifically includes the following steps:
and S21, acquiring the heat leakage value and the cold release time of the cold storage box.
The heat leakage value is the heat leaked from the cold storage box, and can also be understood as the cold release value of the cold storage box, i.e. the cold released by the cold storage box. The heat leakage value is related to factors such as heat transfer on the surface of the box body, air leakage of the cold storage box, solar radiation and the like.
And S22, acquiring the temperature difference between the inside and the outside of the cold storage box.
The temperature difference between the inside and the outside of the cold storage box can be measured by using a temperature sensor and then calculated.
And S23, determining the cold releasing amount of the cold storage box in unit time according to the heat leakage value, the temperature difference between the inside and the outside of the cold storage box and the transportation time length.
In one embodiment of the invention, the cold releasing amount per unit time of the cold storage box can be obtained based on the formula I.
The formula I is as follows: the cold release amount per unit time is the heat leakage value of the cold storage box/(the cold release time is the temperature difference between the inside and the outside of the cold storage box).
And S3, acquiring the average outside temperature from the transportation starting point to the transportation terminal point.
During transportation, the temperature of the transportation starting point and the transportation ending point may be different, and the external temperature from the transportation starting point to the transportation ending point may change, so that the external average temperature from the transportation starting point to the transportation ending point needs to be measured.
And S4, determining the cold accumulation residual using time according to the residual cold quantity, the unit time cold release quantity and the external average temperature.
In one embodiment of the present invention, the cold storage remaining use period can be obtained based on the formula two calculation.
The formula II is as follows: the residual cold storage time is the residual cold quantity/the unit time cold release quantity is the external average temperature
And S5, acquiring the transportation time length from the transportation starting point to the transportation terminal point.
Specifically, the distance from the transportation starting point to the transportation ending point can be obtained first, then the running speed of the transport vehicle can be obtained, and the transportation time length can be determined according to the distance and the running speed. For example, since the cargo is transported from the location X to the location Y, it is known that the distance from the location X to the location Y is 120 km, and the traveling speed of the truck is 60 km/h, it can be calculated that the transportation time period from the location X to the location Y is 2 hours.
And S6, planning a transportation route according to the transportation time length and the cold accumulation residual use time length.
As shown in fig. 3, planning a transportation route according to the transportation duration and the remaining cold storage usage duration may specifically include the following steps:
and S61, judging whether the transportation time length is longer than the cold accumulation residual use time length.
After the cold accumulation residual use time length and the transportation time length are obtained, the cold accumulation residual use time length and the transportation time length can be compared, and whether the residual cold amount can meet the requirement of reaching a transportation destination or not is judged.
And S62, if the transportation time length is shorter than the cold accumulation use time length, controlling the transport vehicle to keep the current transportation route unchanged.
If the transport duration is less than the cold accumulation use duration, the residual cold amount of the cold accumulation box can persist to the transport destination, and the cold filling station does not need to be searched midway for cold filling. Therefore, the transport vehicle can complete the transport task without changing the current driving route and keeping the current transport route unchanged.
S63, if the transportation duration is longer than the cold accumulation usage duration, the position information of at least one cold filling station meeting the preset conditions is obtained, one cold filling station is selected as a midpoint, and the midpoint is added to the current transportation route.
If the transport duration is longer than the cold accumulation use duration, the residual cold amount of the cold accumulation box can not stick to the transport destination, so that a cold filling station needs to be searched for cold filling, and the goods are transported to the transport destination after the cold filling. The condition that the preset condition is met means that the residual cold of the cold storage box can meet the requirement of reaching the cold charging station. The method for judging whether the preset condition is met is the same as the method for judging whether the transportation terminal can be reached, namely, whether the time for reaching a certain cold charging station from the current position is longer than the cold storage use time is judged, and if the time is shorter than the cold storage use time, the cold charging station meets the preset condition. Of course, a situation may occur in which a plurality of cooling stations all satisfy the preset condition, and then an optimal cooling station may be selected according to the actual situation, and the cooling station may be used as the midpoint of the transportation route. For example, the cold filling station m and the cold filling station n both satisfy the preset condition, but the transportation route passing through the cold filling station m and reaching the transportation destination Y has a shorter distance or less time than the transportation route passing through the cold filling station n, and then the cold filling station m is the optimal cold filling station.
It should be appreciated that the above method may be real-time, and the optimal route corresponding thereto may be obtained at different times, enhancing flexibility.
According to the cold chain transportation route planning method provided by the embodiment of the invention, the cold storage surplus capacity of the cold storage box is obtained, the cold release capacity of the cold storage box in unit time is obtained, the external average temperature from the transportation starting point to the transportation destination is obtained, the cold release capacity in unit time and the external average temperature are determined according to the cold storage surplus capacity, the cold release capacity in unit time and the external average temperature, the transportation time from the transportation starting point to the transportation destination is obtained, the transportation route is planned according to the transportation time and the cold storage surplus usage time, the cold storage capacity of the cold storage box can be accurately quantized, the cold chain transportation route is intelligently managed, and the heat preservation effect of cargoes is ensured.
In order to realize the embodiment, the invention further provides a cold chain transportation route planning device.
Fig. 4 is a schematic structural diagram of a cold chain transportation route planning device according to an embodiment of the present invention.
As shown in fig. 4, the apparatus includes a first obtaining module 41, a second obtaining module 42, a third obtaining module 43, a first determining module 44, a fourth obtaining module 45, and a planning module 46.
And the first acquiring module 41 is used for acquiring the residual cold of the cold storage box.
And the second acquiring module 42 is used for acquiring the unit-time cooling capacity of the cold storage box.
The second obtaining module 42 is specifically configured to obtain a heat leakage value and a cold release time of the cold storage box; acquiring a temperature difference value between the inside and the outside of the cold storage box; and determining the cold releasing amount of the cold storage box in unit time according to the heat leakage value, the temperature difference value between the inside and the outside of the cold storage box and the cold releasing duration.
And a third obtaining module 43, configured to obtain an average outside temperature from the transportation start point to the transportation end point.
And the first determination module 44 is used for determining the cold accumulation residual service life according to the residual cold quantity, the unit time cold release quantity and the external average temperature.
And a fourth obtaining module 45, configured to obtain a transportation time period from the transportation starting point to the transportation ending point.
The fourth obtaining module 45 is specifically configured to: acquiring the distance from a transportation starting point to a transportation terminal point; acquiring the running speed of a transport vehicle; and determining the transportation time length according to the distance and the driving speed.
And the planning module 46 is used for planning the transportation route according to the transportation time length and the cold accumulation residual use time length.
The planning module 46 is specifically configured to determine whether the transport duration is longer than the remaining cold storage usage duration; if the transport duration is shorter than the cold accumulation use duration, controlling the transport vehicle to keep the current transport route unchanged; and if the transportation duration is longer than the cold accumulation use duration, acquiring the position information of at least one cold filling station meeting the preset condition, selecting one cold filling station as a midpoint, and adding the midpoint to the current transportation route.
It should be understood that the cold chain transportation route planning device of the present embodiment is consistent with the description of the cold chain transportation route planning method of the method embodiment, and is not described herein again.
The cold chain transportation route planning device provided by the embodiment of the invention can be used for accurately quantifying the cold energy of the cold storage box by acquiring the residual cold energy of the cold storage box, acquiring the cold release amount of the cold storage box in unit time, acquiring the external average temperature from the transportation starting point to the transportation destination, determining the residual cold storage use time according to the residual cold energy, the cold release amount in unit time and the external average temperature, acquiring the transportation time from the transportation starting point to the transportation destination, and planning the transportation route according to the transportation time and the residual cold storage use time, so that the cold storage box is intelligently managed, and the heat preservation effect of goods is ensured.
In order to implement the above embodiments, the present invention further provides a computer device.
The computer device comprises a memory, a processor and a computer program stored on the memory and executable on the processor, and when the processor executes the computer program, the cold chain transportation route planning method as embodied in the first aspect is realized.
In order to implement the above embodiments, the present invention also provides a non-transitory computer-readable storage medium.
The non-transitory computer-readable storage medium has stored thereon a computer program which, when executed by a processor, implements a cold chain transportation route planning method as an embodiment of the first aspect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It should be noted that in the description of the present specification, reference to the description of the term "one embodiment", "some embodiments", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A cold chain transportation route planning method is characterized by comprising the following steps:
acquiring the residual cold quantity of the cold storage box;
acquiring the unit time cold release amount of the cold storage box;
acquiring the external average temperature from a transportation starting point to a transportation terminal point;
determining the cold accumulation residual use time length according to the residual cold quantity, the unit time cold release quantity and the external average temperature;
acquiring the transportation time from the transportation starting point to the transportation terminal point;
and planning a transportation route according to the transportation time length and the cold accumulation residual use time length.
2. The method according to claim 1, wherein obtaining the amount of cold released per unit time from the cold storage tank comprises:
acquiring the heat leakage value and the cold release duration of the cold storage box;
acquiring a temperature difference value between the inside and the outside of the cold storage box;
and determining the cold releasing amount of the cold storage box in unit time according to the heat leakage value, the temperature difference value between the inside and the outside of the cold storage box and the cold releasing duration.
3. The method of claim 1, wherein obtaining a length of transit time from the transit origin to the transit destination comprises:
acquiring the distance from the transportation starting point to the transportation terminal point;
acquiring the running speed of a transport vehicle;
and determining the transportation time length according to the distance and the running speed.
4. The method of claim 1, wherein planning a transportation route based on the transportation duration and the cold storage remaining usage duration comprises:
judging whether the transport time length is longer than the cold accumulation residual use time length or not;
if the transport time length is less than the cold accumulation use time length, controlling the transport vehicle to keep the current transport route unchanged;
and if the transportation duration is longer than the cold accumulation use duration, acquiring the position information of at least one cold filling station meeting preset conditions, selecting one cold filling station as a midpoint, and adding the midpoint to the current transportation route.
5. A cold chain transportation route planning apparatus, comprising:
the first acquisition module is used for acquiring the residual cold quantity of the cold storage box;
the second acquisition module is used for acquiring the unit time cold release amount of the cold storage box;
the third acquisition module is used for acquiring the external average temperature from the transportation starting point to the transportation terminal point;
the first determining module is used for determining the cold accumulation residual service time according to the residual cold quantity, the unit time cold release quantity and the external average temperature;
the fourth acquisition module is used for acquiring the transportation time length from the transportation starting point to the transportation terminal point;
and the planning module is used for planning a transportation route according to the transportation time length and the cold accumulation residual use time length.
6. The apparatus of claim 5, wherein the second obtaining module is to:
acquiring the heat leakage value and the cold release duration of the cold storage box;
acquiring a temperature difference value between the inside and the outside of the cold storage box;
and determining the cold releasing amount of the cold storage box in unit time according to the heat leakage value, the temperature difference value between the inside and the outside of the cold storage box and the cold releasing duration.
7. The apparatus of claim 5, wherein the fourth obtaining module is to:
acquiring the distance from the transportation starting point to the transportation terminal point;
acquiring the running speed of a transport vehicle;
and determining the transportation time length according to the distance and the running speed.
8. The apparatus of claim 5, wherein the planning module is to:
judging whether the transport time length is longer than the cold accumulation residual use time length or not;
if the transport time length is less than the cold accumulation use time length, controlling the transport vehicle to keep the current transport route unchanged;
and if the transportation duration is longer than the cold accumulation use duration, acquiring the position information of at least one cold filling station meeting preset conditions, selecting one cold filling station as a midpoint, and adding the midpoint to the current transportation route.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of cold chain transportation route planning as claimed in any one of claims 1 to 4 when executing the computer program.
10. A non-transitory computer-readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the cold chain transportation route planning method of any one of claims 1-4.
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| CN201910959803.2A CN112651679A (en) | 2019-10-10 | 2019-10-10 | Cold chain transportation route planning method and device and computer equipment |
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| CN201910959803.2A CN112651679A (en) | 2019-10-10 | 2019-10-10 | Cold chain transportation route planning method and device and computer equipment |
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| CN117670169A (en) * | 2024-02-03 | 2024-03-08 | 北京中冷物流股份有限公司 | Cold chain transportation intelligent management planning method and system based on internet of things data |
| CN118071235A (en) * | 2024-04-24 | 2024-05-24 | 北京映急医药冷链科技有限公司 | Intelligent medical cold chain logistics route management system and measuring and calculating method |
| CN118428837A (en) * | 2024-06-28 | 2024-08-02 | 杭州吉客云网络技术有限公司 | Supply chain logistics transportation management method and system based on purchase management system |
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