Elevator energy-saving scheduling method and device based on cargo weight, and elevator

Abstract

The present invention discloses an elevator energy-saving scheduling method, device, and elevator based on cargo weight. The method is applied to an elevator in which a cargo temporary storage compartment is provided below the elevator counterweight, and comprises the following steps: inputting basic information of the cargo; determining the transportation order of the cargo based on the elevator according to the basic information of the cargo; and transporting the cargo being transported from the current location to the target transportation location according to the transportation order. The present invention utilizes the cargo temporary storage compartment and the cargo transported in the elevator car as weights for adjusting the balance during elevator transportation; rationally utilizes the gravitational potential energy of the cargo, saves the electric energy required to transport the cargo in the light-load direction, and can achieve the effect of completing the loading and unloading of the cargo in one trip.

Description

Technical Field

[0001] The present invention relates to the field of warehousing and transportation, and in particular to an elevator energy-saving scheduling method and device based on cargo weight, and an elevator. Background Art

[0002] In existing elevator transportation systems used in multi-story warehouses, manually operated elevators are the mainstream mode of transporting goods. However, this method only provides simple control over the starting and destination locations of each cargo transport, without any integration with the warehouse's previously stored cargo information. Furthermore, since each cargo transport is independent of each other, or the elevator can only travel in a single direction to complete several transports in the same direction, not only does the transport cycle consume excessive time, but it also consumes a large amount of energy. Summary of the Invention

[0003] In view of this, an embodiment of the present invention provides an elevator energy-saving scheduling method, device and elevator based on cargo weight.

[0004] A first aspect of the present invention provides an elevator energy-saving scheduling method based on cargo weight, the method being applied to an elevator having a cargo storage compartment provided below the elevator counterweight, the cargo storage compartment and the elevator car acting together as a transport carrier of the elevator; the method comprising the following steps:

[0005] Enter the basic information of the cargo; the basic information includes the weight, volume, current location and target transportation location of the cargo;

[0006] Determining a transportation sequence of the goods by elevator based on the basic information of the goods; the transportation sequence has a plurality of transportation nodes separated by a single movement of the elevator, each transportation node recording the basic information, transportation carrier, and transportation direction of the goods transported by the transportation node at that time; each transportation node also records the current operating power of the elevator and the current stop floor;

[0007] According to the transportation order, the goods being transported at the transportation node are respectively placed in the elevator car or the cargo temporary storage compartment, and the elevator is driven to the current stop floor with the current operating power of the elevator; the goods being transported at the time are transported from the current location to the target transportation location.

[0008] Furthermore, for goods to be stored in the warehouse, the current location of the goods in the basic information entered for the goods is the floor where the warehouse entrance and exit are located, and the target transportation location is the floor where the goods are expected to be stored; for goods to be sent out of the warehouse, the current location of the goods in the basic information entered for the goods is the floor where the goods are currently stored, and the target transportation location is the floor where the warehouse entrance and exit are located.

[0009] Furthermore, at each transport node of the transport sequence, the transport direction of the goods being transported is determined according to the current location and the target transport location of the goods;

[0010] For goods to be stored in the warehouse, if the floor where the goods are expected to be stored is higher than the floor where the warehouse entrance is located, the transportation direction of the goods will be determined as upward; if the floor where the goods are expected to be stored is lower than the floor where the warehouse entrance is located, the transportation direction of the goods will be determined as downward;

[0011] For goods that are ready to be sent out of the warehouse, when the floor where the goods are currently stored is higher than the floor where the warehouse entrance and exit are located, the transportation direction of the goods will be determined as downward; when the floor where the goods are currently stored is lower than the floor where the warehouse entrance and exit are located, the transportation direction of the goods will be determined as upward.

[0012] Furthermore, the operating power is used to provide upward traction for the elevator; at each transport node of the transport sequence, the operating power of the elevator is specifically determined according to the transport direction of the goods being transported; specifically, the following steps are included:

[0013] Calculate the weight of the elevator car and the weight of the elevator counterweight at the transport node. The weight of the elevator car includes the weight of the car and the weight of the cargo stored in the car during the transport. The weight of the elevator counterweight includes the weight of the counterweight and the weight of the cargo stored in the temporary storage compartment during the transport.

[0014] When the cargo stored in the elevator car is transported in the downward direction and the cargo stored in the temporary cargo storage compartment is transported in the upward direction, and the weight of the elevator counterweight side is greater than the weight of the elevator car side, the current operating power of the elevator is not less than the minimum operating power required to provide the elevator with upward traction;

[0015] When the cargo stored in the elevator car is transported in a downward direction and the cargo stored in the temporary cargo compartment is transported in an upward direction, and the weight of the elevator counterweight side is not greater than the weight of the elevator car side, the current operating power of the elevator is zero;

[0016] When the cargo stored in the elevator car is transported in an upward direction and the cargo stored in the temporary cargo compartment is transported in a downward direction, and the weight of the elevator counterweight side is greater than the weight of the elevator car side, the current operating power of the elevator is zero;

[0017] When the cargo stored in the elevator car is transported in an upward direction and the cargo stored in the temporary cargo storage compartment is transported in a downward direction, and the weight of the elevator counterweight side is not greater than the weight of the elevator car side, the current operating power of the elevator is not lower than the minimum operating power required to provide the elevator with upward traction.

[0018] Furthermore, the upward traction force F of the elevator is calculated by the following formula:

[0019]

[0020] Where M0 represents the inherent weight of the elevator, which is the difference between the elevator counterweight and the weight of the car; Mcargo compartment represents the weight of the cargo stored in the cargo compartment; Mcar represents the weight of the cargo stored in the car; and g represents the acceleration due to gravity.

[0021] Furthermore, the transport carrier for transporting the goods at each transport node of the transport sequence is determined based on the volume of the goods transported at that time and the volume of the cargo temporary storage compartment; when the volume of the goods exceeds the volume of the cargo temporary storage compartment, the transport carrier for the goods is determined to be a car; when the volume of the goods does not exceed the volume of the cargo temporary storage compartment, the transport carrier for the goods is determined to be a car or a cargo temporary storage compartment.

[0022] Furthermore, when the elevator is moving, the following steps are also included:

[0023] Detect whether the moving direction of the elevator car and the cargo storage compartment corresponds to the transportation direction of the cargo in the car and the cargo storage compartment; when the moving direction and the transportation direction are inconsistent, perform emergency braking on the elevator.

[0024] A second aspect of the present invention discloses a weight-based bidirectional cargo transport energy-saving control system, the system being applied to an elevator having a cargo storage compartment provided below the elevator counterweight, the cargo storage compartment and the elevator car acting together as the transport carrier of the elevator; the system comprising an information entry module, a data processing module, and an elevator dispatching module;

[0025] The information entry module is used to enter basic information of the goods; the basic information includes the weight, volume, current location and target transportation location of the goods;

[0026] The data processing module is used to determine the transportation order of the goods based on the elevator based on the basic information of the goods; the transportation order has multiple transportation nodes separated by a single movement of the elevator, and each transportation node records the basic information, transportation carrier and transportation direction of the goods transported by the transportation node at that time; each transportation node also records the operating power of the elevator at that time and the floor of the elevator at that time;

[0027] The elevator dispatching module is used to place the current transported goods in the transport node in the elevator car or cargo storage compartment according to the transport order, drive the elevator to the current stop floor with the current operating power of the elevator, and transport the current transported goods from the current location to the target transport location.

[0028] Furthermore, it also includes a detection module, which is used to detect whether the moving direction of the elevator car and the cargo storage compartment corresponds to the transportation direction of the cargo in the car and the cargo storage compartment; when the moving direction and the transportation direction are inconsistent, the elevator is subjected to emergency braking.

[0029] A third aspect of the present invention discloses an elevator, wherein a cargo temporary storage compartment is provided under the counterweight of the elevator; the elevator is used to implement an elevator energy-saving scheduling method based on cargo weight.

[0030] The present invention also discloses a computer program product or computer program, which includes computer instructions stored in a computer-readable storage medium. A processor of a computer device can read the computer instructions from the computer-readable storage medium and execute the computer instructions, causing the computer device to perform the above method.

[0031] The embodiments of the present invention have the following beneficial effects: the present invention provides an elevator energy-saving scheduling method and device based on cargo weight, and an elevator that is applied to an elevator with a cargo temporary storage compartment under the counterweight, and utilizes the cargo temporary storage compartment and the cargo transported in the car as weights for adjusting the balance during elevator transportation; rationally utilizes the gravitational potential energy of the cargo, saves the electric energy required to transport the cargo in the light-load direction, and can achieve the effect of completing the storage and unloading of goods at the same time in one trip of the elevator.

[0032] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0034] Figure 1 It is a schematic diagram of an elevator in the prior art;

[0035] Figure 2 This is a flow chart of an elevator energy-saving scheduling method, device and elevator based on cargo weight according to the present invention;

[0036] Figure 3 The present invention is a schematic diagram of an elevator energy-saving scheduling method and device based on cargo weight and an elevator with a cargo temporary storage compartment provided in the elevator. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and advantages of this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0038] Elevator in the prior art Figure 1 As shown, the principle of the current elevator system is to move the car under the coordinated action of the motor and the counterweight to transport the goods to the designated location. After completing this transportation, the next transportation process will start immediately. Each cargo transportation is independent of each other, or the elevator can only complete several transportations in the same direction in one direction. Not only will it take too much time in the transportation cycle, but it will also consume a lot of electricity.

[0039] In the field of warehousing and logistics, it is necessary to maintain relevant records for the type, quantity, weight, and storage time of goods stored on each floor of the warehouse. Therefore, for goods that need to enter and exit the warehouse at the same time, the embodiment of the present invention uses the entry and exit of these goods to optimize the elevator scheduling mode.

[0040] like Figure 2 As shown, an embodiment of the present invention provides an elevator energy-saving scheduling method based on cargo weight. The method is applied to an elevator with a cargo temporary storage compartment below the elevator counterweight. The cargo temporary storage compartment and the elevator car serve as the transportation carrier of the elevator. Figure 3 The method comprises the following steps:

[0041] S1. Enter basic cargo information, including weight, volume, current location, and destination.

[0042] S2. Determine the elevator transport sequence for the cargo based on the cargo's basic information. This transport sequence includes multiple transport nodes, separated by individual elevator movements. Each transport node records the basic information, transport vehicle, and transport direction of the cargo being transported at that transport node. Each transport node also records the elevator's operating power and the floor it stopped at.

[0043] S3. According to the transportation order, the goods to be transported at the transportation node are placed in the elevator car or cargo storage compartment respectively, and the elevator is driven to the current stop floor with the current operating power of the elevator; the goods to be transported at the current location are transported from the current location to the target transportation location.

[0044] This embodiment of the present invention analyzes the location, weight, and release date of the goods currently stored in the warehouse, combined with the elevator's direction of travel, floor location, and load capacity, to select which floors' goods can serve as intermediaries for the current transport. Before transporting this batch of goods, the elevator will travel to the floor where the intermediary goods are located and select the floor where they will be placed, either in the elevator car or in the temporary storage compartment on the counterweight side. After adjusting the elevator's load capacity, the current shipment will begin.

[0045] In step S1, for goods to be stored in the warehouse, the basic information entered for the goods is that the current location of the goods is the floor where the warehouse entrance is located, and the target transportation location is the floor where the goods are expected to be stored. This means that the goods are transported into the warehouse via elevator. For goods to be shipped out of the warehouse, the basic information entered for the goods is that the current location of the goods is the floor where the goods are currently stored, and the target transportation location is the floor where the warehouse entrance is located. This means that the goods are shipped out of the warehouse via elevator. Since the basic information of the goods is entered before the elevator is transported, there is no need to use a weight meter or other means to measure the weight of the goods before scheduling the elevator during transportation. The basic information of the goods registered during storage can be fully utilized for elevator scheduling.

[0046] In step S2, at each transport node of the determined transport sequence, the transport direction of the goods is determined according to the current location and the target transport location of the goods;

[0047] Specifically, for goods to be stored in the warehouse, if the floor where the goods are expected to be stored is higher than the floor where the warehouse entrance is located, the transportation direction of the goods will be determined as upward; if the floor where the goods are expected to be stored is lower than the floor where the warehouse entrance is located, the transportation direction of the goods will be determined as downward;

[0048] For goods that are ready to be sent out of the warehouse, when the floor where the goods are currently stored is higher than the floor where the warehouse entrance and exit are located, the transportation direction of the goods will be determined as downward; when the floor where the goods are currently stored is lower than the floor where the warehouse entrance and exit are located, the transportation direction of the goods will be determined as upward.

[0049] Since some warehouses have storage designs in both above-ground and underground directions, this solution determines the elevator's transportation direction based on the expected storage floor of the incoming goods.

[0050] In step S2, the operating power is used to provide upward traction for the elevator; at each transport node in the transport sequence, the elevator's operating power is specifically determined according to the transport direction of the goods being transported; specifically, the following steps are included:

[0051] S2-0. Calculate the weight of the elevator car side and the weight of the elevator counterweight side in the transport node; the weight of the elevator car side includes the weight of the car and the weight of the cargo stored in the car when transporting goods, and the weight of the elevator counterweight side includes the weight of the counterweight and the weight of the cargo stored in the temporary storage compartment when transporting goods;

[0052] S2-a. When the cargo stored in the car is transported downward and the cargo stored in the temporary cargo compartment is transported upward, and the weight of the elevator counterweight side is greater than the weight of the elevator car side, the elevator's operating power is not less than the minimum operating power required to provide the elevator with upward traction;

[0053] S2-b. When the cargo transport direction stored in the car is downward, the cargo transport direction stored in the temporary cargo compartment is upward, and the weight of the elevator counterweight side is not greater than the weight of the elevator car side, the elevator's operating power is zero;

[0054] S2-c. When the cargo transport direction stored in the car is upward, the cargo transport direction stored in the temporary cargo compartment is downward, and the weight of the elevator counterweight side is greater than the weight of the elevator car side, the elevator's operating power is zero;

[0055] S2-d. When cargo stored in the elevator car is transported upward and cargo stored in the temporary cargo compartment is transported downward, and the weight of the elevator counterweight is not greater than the weight of the elevator car, the elevator's operating power at that time shall not be less than the minimum operating power required to provide the elevator with upward traction.

[0056] In this embodiment, the upward traction force F of the elevator is calculated by the following formula:

[0057]

[0058] Where M0 represents the inherent weight of the elevator, which is the difference between the elevator counterweight and the weight of the car; Mcargo compartment represents the weight of the cargo stored in the cargo compartment; Mcar represents the weight of the cargo stored in the car; and g represents the acceleration due to gravity.

[0059] In this embodiment, the transport carrier for transporting the goods at each transport node in the transport sequence is determined based on the volume of the goods being transported and the capacity of the cargo temporary storage compartment; when the volume of the goods exceeds the capacity of the cargo temporary storage compartment, the transport carrier for the goods is determined to be a car; when the volume of the goods does not exceed the capacity of the cargo temporary storage compartment, the transport carrier for the goods is determined to be a car or a cargo temporary storage compartment.

[0060] The embodiment of the present invention makes full use of the storage of goods and the warehouse cargo information management in the multi-story warehouse, and intelligently adjusts the load ratio between the car side and the counterweight side before each single transportation, making full use of the gravitational potential energy resources of the goods, effectively controlling the consumption of electric energy, and achieving the effect of intelligent control of cargo storage and transportation in the entire warehouse system.

[0061] In some embodiments, when the elevator is moving, the following steps are further included:

[0062] S4. Check whether the moving direction of the elevator car and the cargo storage compartment corresponds to the transportation direction of the cargo in the car and the cargo storage compartment; when the moving direction and the transportation direction are inconsistent, perform emergency braking on the elevator.

[0063] When conditions permit, embodiments of the present invention prioritize elevator operation in the direction of the heavier load, thereby reducing motor output. However, in some embodiments, pre-entered cargo information may contain errors, resulting in incorrect elevator weight allocation and reverse operation. To avoid these situations, embodiments of the present invention also verify the current speed and direction based on the weight of the elevator main unit during operation. If the elevator is reversed due to an information entry error, the elevator will apply emergency braking and prohibit operation.

[0064] The embodiment of the present invention also discloses a weight-based bidirectional cargo transport energy-saving control system, which is applied to an elevator with a cargo temporary storage compartment below the elevator counterweight. The cargo temporary storage compartment and the elevator car serve together as the elevator's transport carrier. The system includes an information entry module, a data processing module, and an elevator dispatching module.

[0065] The information entry module is used to enter the basic information of the goods; the basic information includes the weight, volume, current location and target transportation location of the goods;

[0066] The data processing module is used to determine the transportation sequence of the goods based on the basic information of the goods. The transportation sequence has multiple transportation nodes separated by a single elevator movement. Each transportation node records the basic information, transportation carrier and transportation direction of the goods transported by the transportation node at that time. Each transportation node also records the current operating power of the elevator and the current stop floor.

[0067] The elevator dispatching module is used to place the current transported goods in the transport node in the elevator car or cargo storage compartment according to the transport order, drive the elevator to the current stop floor with the current operating power of the elevator, and transport the current transported goods from the current location to the target transport location.

[0068] In some embodiments, the weight-based bidirectional cargo transportation energy-saving control system also includes a detection module, which is used to detect whether the moving direction of the elevator car and the cargo storage compartment corresponds to the transportation direction of the cargo in the car and the cargo storage compartment; when the moving direction and the transportation direction are inconsistent, the elevator is subjected to emergency braking.

[0069] An embodiment of the present invention further discloses an elevator, wherein a cargo temporary storage compartment is provided below the counterweight of the elevator; the elevator is used to implement an elevator energy-saving scheduling method based on cargo weight.

[0070] The following is a specific elevator scheduling embodiment:

[0071] Suppose a batch of goods weighing 1000kg needs to be transported into the warehouse, and the elevator is parked empty at the 4F warehouse. The cargo information entered into the warehouse management system shows that there are exactly 1800kg of goods stored in the 3F warehouse that need to be delivered today, and there are exactly 2500kg of goods stored in the 5F warehouse that need to be delivered. It is known that the elevator car weighs 600kg, the counterweight weight is 2100kg, and the elevator operates on floors 1F to 5F.

[0072] When the elevator is descending to pick up cargo, the weight on the car side is lighter than the weight on the counterweight side at the beginning, so the motor needs to provide traction. After the elevator reaches the 3rd floor, the 1800kg cargo on the 3rd floor is placed into the car, making the weight on the car side reach 2400kg, which is greater than the weight on the counterweight side. Therefore, the downward direction from the 3rd floor to the 1st floor becomes the heavy-load direction, and the motor no longer needs to provide additional traction.

[0073] When the elevator reaches the 1F, 1800kg of cargo is taken out from the car side and 1000kg of cargo is put in. The weight on the car side reaches 1600kg. At this time, the counterweight is just stopped at the 5F position. The 2500kg cargo on the 5F can be stored in the cargo temporary storage compartment on the counterweight side. During the upward process, the elevator runs in the heavy-load direction throughout the entire process. The motor does not need to provide additional traction. At the same time as the 5F cargo reaches the 1F, the 1000kg cargo on the car side can also reach the 5F for storage.

[0074] During the transportation process of this embodiment, the elevator goes up and down once, which can achieve two unloading and one loading. In addition, the motor does not need to provide traction most of the time during transportation, which can ensure to the greatest extent that both the car side and the counterweight side can transport goods during elevator transportation, greatly improving the transportation efficiency of the elevator, reducing the number of times the elevator runs empty, and reducing energy consumption.

[0075] In some embodiments, the goods dispatched by the elevator are not necessarily limited to the current day. Goods that are about to be shipped out of the warehouse can also be included in the calculation range of the scheduling system. During the transportation process, they can be transported to a floor closer to the warehouse entrance and exit for subsequent shipment. In this way, the information of the goods already stored in the warehouse is used as input to the method of the embodiment of the present invention, reflecting the advanced nature of the elevator scheduling method of the embodiment of the present invention.

[0076] The embodiment of the present invention also discloses a computer program product or computer program, which includes computer instructions stored in a computer-readable storage medium. A processor of a computer device can read the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs Figure 1 The method shown.

[0077] In some optional embodiments, the function / operation mentioned in the block diagram may not occur in the order mentioned in the operation diagram. For example, depending on the function / operation involved, the two boxes shown in succession can actually be executed substantially simultaneously or the boxes can sometimes be executed in reverse order. In addition, the embodiment presented and described in the flow chart of the present invention is provided in an exemplary manner for the purpose of providing a more comprehensive understanding of the technology. The disclosed method is not limited to the operation and logic flow presented herein. Optional embodiments are contemplated in which the order of the various operations is changed and the sub-operations described as a part of a larger operation are performed independently.

[0078] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0079] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

[0080] The above is a specific description of the preferred implementation of the present invention, but the present invention is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. An elevator energy-saving scheduling method based on cargo weight, characterized in that: The method is applied to an elevator in which a cargo storage compartment is provided below the elevator counterweight, wherein the cargo storage compartment and the elevator car together serve as the transport carrier of the elevator; The method comprises the following steps: Enter the basic information of the cargo; the basic information includes the weight, volume, current location and target transportation location of the cargo; Determining a transportation sequence of the goods by elevator based on the basic information of the goods; the transportation sequence has a plurality of transportation nodes separated by a single movement of the elevator, each transportation node recording the basic information, transportation carrier, and transportation direction of the goods transported by the transportation node at that time; each transportation node also records the current operating power of the elevator and the current stop floor; According to the transportation order, the goods being transported at the transportation node are respectively placed in the elevator car or the cargo temporary storage compartment, and the elevator is driven to the current stop floor with the current operating power of the elevator; the goods being transported at the time are transported from the current location to the target transportation location.

2. The method for energy-saving scheduling of elevators based on cargo weight according to claim 1, characterized in that: For goods to be stored in the warehouse, the current location of the goods in the basic information entered is the floor where the warehouse entrance is located, and the target transportation location is the floor where the goods are expected to be stored; For goods that are ready to be sent out of the warehouse, the current location of the goods in the basic information entered is the floor where the goods are currently stored, and the target transportation location is the floor where the warehouse entrance and exit are located.

3. The method for energy-saving scheduling of elevators based on cargo weight according to claim 2, characterized in that: At each transport node of the transport sequence, the transport direction of the cargo is determined according to the current location and the target transport location of the cargo; For goods to be stored in the warehouse, if the floor where the goods are expected to be stored is higher than the floor where the warehouse entrance is located, the transportation direction of the goods will be determined as upward; if the floor where the goods are expected to be stored is lower than the floor where the warehouse entrance is located, the transportation direction of the goods will be determined as downward; For goods that are ready to be sent out of the warehouse, when the floor where the goods are currently stored is higher than the floor where the warehouse entrance and exit are located, the transportation direction of the goods will be determined as downward; when the floor where the goods are currently stored is lower than the floor where the warehouse entrance and exit are located, the transportation direction of the goods will be determined as upward.

4. The method for energy-saving scheduling of elevators based on cargo weight according to claim 3, characterized in that: The operating power is used to provide upward traction for the elevator; at each transport node of the transport sequence, the operating power of the elevator is specifically determined according to the transport direction of the goods being transported; specifically, the following steps are included: Calculate the weight of the elevator car and the weight of the elevator counterweight at the transport node. The weight of the elevator car includes the weight of the car and the weight of the cargo stored in the car during the transport. The weight of the elevator counterweight includes the weight of the counterweight and the weight of the cargo stored in the temporary storage compartment during the transport. When the cargo stored in the elevator car is transported in the downward direction and the cargo stored in the temporary cargo storage compartment is transported in the upward direction, and the weight of the elevator counterweight side is greater than the weight of the elevator car side, the current operating power of the elevator is not less than the minimum operating power required to provide the elevator with upward traction; When the cargo stored in the elevator car is transported in a downward direction and the cargo stored in the temporary cargo compartment is transported in an upward direction, and the weight of the elevator counterweight side is not greater than the weight of the elevator car side, the current operating power of the elevator is zero; When the cargo stored in the elevator car is transported in an upward direction and the cargo stored in the temporary cargo compartment is transported in a downward direction, and the weight of the elevator counterweight side is greater than the weight of the elevator car side, the current operating power of the elevator is zero; When the cargo stored in the elevator car is transported in an upward direction and the cargo stored in the temporary cargo storage compartment is transported in a downward direction, and the weight of the elevator counterweight side is not greater than the weight of the elevator car side, the current operating power of the elevator is not lower than the minimum operating power required to provide the elevator with upward traction.

5. The method for energy-saving scheduling of elevators based on cargo weight according to claim 4, characterized in that: The upward traction force F of the elevator is calculated by the following formula: Among them, M0 represents the inherent weight of the elevator, which is the difference between the elevator counterweight and the car weight; M 货物暂存厢 Indicates the weight of the cargo stored in the temporary storage compartment; M 轿厢 It represents the weight of the cargo stored in the car; g represents the acceleration due to gravity.

6. The elevator energy-saving scheduling method based on cargo weight according to claim 1, characterized in that: The transport carrier for transporting the goods at each transport node of the transport sequence is determined based on the volume of the goods transported and the volume of the cargo temporary storage compartment; when the volume of the goods exceeds the volume of the cargo temporary storage compartment, the transport carrier for the goods is determined to be a car; when the volume of the goods does not exceed the volume of the cargo temporary storage compartment, the transport carrier for the goods is determined to be a car or a cargo temporary storage compartment.

7. The elevator energy-saving scheduling method based on cargo weight according to claim 1, characterized in that: When the elevator moves, the following steps are also included: Detect whether the moving direction of the elevator car and the cargo storage compartment corresponds to the transportation direction of the cargo in the car and the cargo storage compartment; when the moving direction and the transportation direction are inconsistent, perform emergency braking on the elevator.

8. A weight-based two-way cargo transportation energy-saving control system, characterized in that: The system is applied to an elevator with a cargo storage compartment provided below the elevator counterweight, wherein the cargo storage compartment and the elevator car serve together as the transport carrier of the elevator; the system includes an information entry module, a data processing module, and an elevator dispatching module; The information entry module is used to enter basic information of the goods; the basic information includes the weight, volume, current location and target transportation location of the goods; The data processing module is used to determine the transportation order of the goods based on the elevator based on the basic information of the goods; the transportation order has multiple transportation nodes separated by a single movement of the elevator, and each transportation node records the basic information, transportation carrier and transportation direction of the goods transported by the transportation node at that time; each transportation node also records the operating power of the elevator at that time and the floor of the elevator at that time; The elevator dispatching module is used to place the current transported goods in the transport node in the elevator car or cargo storage compartment according to the transport order, drive the elevator to the current stop floor with the current operating power of the elevator, and transport the current transported goods from the current location to the target transport location.

9. The method for energy-saving scheduling of elevators based on cargo weight according to claim 8, characterized in that: It also includes a detection module, which is used to detect whether the moving direction of the elevator car and the cargo storage compartment corresponds to the transportation direction of the cargo in the car and the cargo storage compartment; when the moving direction and the transportation direction are inconsistent, the elevator is emergency braked.

10. An elevator, characterized in that: A cargo temporary storage compartment is provided under the counterweight of the elevator; the elevator is used to implement the method according to any one of claims 1-7.

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