Park vehicle ladder system control method and park vehicle ladder system

Abstract

The invention discloses a control method of a park vehicle ladder system and the park vehicle ladder system. The method comprises the steps that registration information of a driving-in vehicle is acquired, the registration information comprises a vehicle identifier, a vehicle category and a target floor, and the vehicle category is an internal vehicle or an external vehicle; the position allowance of the target floor and the request quantity corresponding to the target floor in the current to-be-responded queue are obtained, an enqueue gate is controlled to release according to a preset registration condition, an elevator calling request record is generated or forbidden, and the vehicle is guided to leave; setting a priority based on the vehicle category; and the target floor elevator exit door side occupying state and the vehicle ladder running state of the vehicle to be responded are obtained, the entrance gate is controlled to release according to the preset elevator dispatching condition, an elevator dispatching instruction is generated or passing is forbidden, and the elevator calling request record is frozen. According to the invention, the backlog and entrance overflow risk of the elevator waiting area can be reduced, and the traffic efficiency and the operation stability in the mixed scene of the park are improved.

Description

Technical Field

[0001] This invention relates to the field of vehicle and elevator control technology, and in particular to a control method for a park vehicle and elevator system and a park vehicle and elevator system. Background Technology

[0002] In logistics parks, industrial parks, or mixed-use parks, vehicle elevators are commonly used to transfer vehicles between different floors to meet various needs such as parking, loading and unloading, and warehousing. Park vehicles typically include both internal and external vehicles, and queues often form at entrances, buffer lanes, and waiting areas during peak hours.

[0003] In existing technologies, one type of solution focuses on the call control and access management of the elevator itself, realizing vehicle entry and operation control through vehicle identification, call signal detection and door area security detection; another type of solution focuses on the scheduling and queuing management of parking or loading and unloading resources in the park, realizing vehicle entry, queuing and release by statistically analyzing the remaining parking spaces or loading and unloading spaces and the number of queuing requests. However, in scenarios like park vehicle elevators where "resource status changes dynamically and equipment throughput is limited," the following problems can easily arise: First, when internal and external vehicles travel together, if only arrival order or a single priority rule is used for entry, it may cause one type of vehicle to occupy resources for a long time or another type of vehicle to wait too long, affecting the efficiency and fairness of park operations. Second, if entry is only determined based on the availability of parking spaces or loading / unloading positions at the entrance registration stage, vehicles may be allowed to enter the waiting area but cannot pass in time due to the target side passage being occupied or the vehicle elevator status not meeting the requirements, further causing congestion in the waiting area and entrance overflow. Third, when there are dedicated operation needs for forklift drivers or truck drivers in the park who need to operate the vehicle elevator independently, the lack of management of the occupation of dedicated operation status and the freezing, cancellation, and restoration mechanisms for existing queuing requests can easily lead to the occupation of vehicle elevator resources, disordered queuing order, and safety risks.

[0004] Therefore, a vehicle and elevator control method and system that is more suitable for park scenarios is needed to form an executable control chain in the stages of entrance access, queue selection, elevator dispatch and dedicated operation, so as to reduce the risk of congestion in the vehicle and elevator system and improve the operating efficiency and safety of the park's vehicle and elevator systems. Summary of the Invention

[0005] The purpose of this invention is to provide a control method and system for a park vehicle and elevator system, in order to solve the problems of high congestion risk and low operating efficiency in the existing park vehicle and elevator system under mixed-use mode.

[0006] The present invention provides the following technical solution in a first aspect: a control method for a park vehicle and elevator system, comprising: acquiring registration information of an entering vehicle, the registration information including at least a vehicle identifier, vehicle category, and destination floor, the vehicle category including internal vehicles and external vehicles; acquiring the position margin of the destination floor and the number of requests for the destination floor in the current queue of vehicles awaiting response; controlling the entry gate to prohibit passage and guiding the entering vehicle to leave according to preset registration conditions, or controlling the entry gate to allow passage and generating an elevator call request record for the entering vehicle; setting the priority of the elevator call request record based on the vehicle category; responding to the elevator call request record with the highest priority; acquiring the occupancy status of the exit door side of the destination floor corresponding to the elevator call request record and the corresponding vehicle and elevator operation status; controlling the entry gate to allow passage and generating an elevator dispatch instruction according to preset dispatch conditions, or controlling the entry gate to prohibit passage and freezing the elevator call request record; the preset registration conditions indicate that the current site resources of the park meet the usage needs of the entering vehicle; the preset dispatch conditions indicate that the currently waiting vehicle can pass through to the destination floor without obstruction after entering.

[0007] Furthermore, the step of setting the priority of the elevator call request record based on the vehicle category includes: setting release weights for internal and external vehicles respectively, and performing priority weighting on the elevator call request records in the waiting queue based on the release weights to determine the elevator call request record with the highest priority; rotating and changing the release weights of internal and external vehicles according to a preset time period or a preset release quantity period to update the priority of the elevator call request records in the waiting queue; setting a maximum waiting time limit for each elevator call request record, and when the queuing time of any elevator call request record exceeds the maximum waiting time limit, prioritizing the release of the vehicle corresponding to the elevator call request record or outputting a departure instruction to it and removing the elevator call request record from the waiting queue.

[0008] Furthermore, the preset registration condition includes the difference between the location margin and the request quantity being greater than a preset threshold; the preset threshold includes an internal vehicle threshold and an external vehicle threshold, and the internal vehicle threshold is less than the external vehicle threshold. When determining whether the preset registration condition is met, the preset threshold is selected as the internal vehicle threshold or the external vehicle threshold corresponding to the vehicle category.

[0009] Furthermore, the destination layer includes a loading / unloading layer and a parking layer, and the position margin is either a loading / unloading space margin or a parking space margin; the internal vehicle threshold includes an internal loading / unloading vehicle threshold and an internal parking vehicle threshold; the external vehicle threshold includes an external loading / unloading vehicle threshold and an external parking vehicle threshold; when the destination layer is a loading / unloading layer, the preset threshold is selected as either an internal loading / unloading vehicle threshold or an external loading / unloading vehicle threshold corresponding to the vehicle category; when the destination layer is a parking layer, the preset threshold is selected as either an internal parking vehicle threshold or an external parking vehicle threshold corresponding to the vehicle category.

[0010] Furthermore, the destination layer includes a loading / unloading layer and a parking layer, and the position margin is either the loading / unloading position margin or the parking space margin. The control method of the park's vehicle elevator system further includes: when the queue to be responded to contains elevator call request records whose destination layer is the loading / unloading layer, before the highest priority elevator call request record whose destination layer is the loading / unloading layer is selected, the loading / unloading position margin of the loading / unloading layer is monitored; when the loading / unloading position margin is less than a preset loading / unloading position margin threshold, the elevator call request records whose destination layer is the loading / unloading layer in the queue to be responded to are frozen, and unfrozen when the loading / unloading position margin is greater than or equal to the preset loading / unloading position margin threshold.

[0011] Furthermore, after the entrance gate is opened, if the vehicle corresponding to the dispatching instruction is not detected to arrive at the waiting position of the target elevator within a first limited time, the dispatching instruction is cancelled and the corresponding elevator call request is returned to the waiting queue; if the vehicle corresponding to the dispatching instruction is not detected to enter the car of the target elevator within a second limited time, the dispatching instruction is cancelled and the vehicle is instructed to leave.

[0012] Furthermore, the method also includes: receiving a dedicated operation trigger signal to cause the elevator car corresponding to the signal to enter a dedicated operation state, and prohibiting the elevator car in the dedicated operation state from being used as the target elevator car of the dispatch command; when it is detected that the elevator car in the dedicated operation state has exited the dedicated operation state, restoring the dispatch allocation of the elevator car.

[0013] The present invention provides the following technical solution in a second aspect: a park vehicle and elevator system, characterized in that it comprises: a vehicle identification device for identifying the vehicle identifier and vehicle category of an entering vehicle, wherein the vehicle category includes internal vehicles and external vehicles; a registration device for receiving registration information of an entering vehicle, wherein the registration information includes at least the vehicle identifier, vehicle category, and destination floor, and generating an elevator call request record or outputting departure guidance according to preset registration conditions; a status acquisition device for acquiring the position margin of each floor, the request volume of each destination floor in the waiting queue, the occupancy status of the exit door side of each floor, and the vehicle and elevator operation status; a queue management device for setting the priority of the elevator call request record, wherein the priority is set at least based on the vehicle category so that the priority of internal vehicles and external vehicles is different, and for responding to the elevator call request record with the highest priority, generating an elevator dispatch instruction or freezing the elevator call request record with the highest priority according to preset dispatch conditions; and a control device, communicatively connected to the queuing gate and the entrance gate, for controlling the queuing and prohibition of entering vehicles and the entry and prohibition of vehicles in the waiting queue.

[0014] Furthermore, the queue management device is configured to: set release weights for internal vehicles and external vehicles respectively, and perform priority weighting on the call request records in the queue to be responded to based on the release weights to determine the call request record with the highest priority; rotate and change the release weights of internal vehicles and external vehicles according to a preset time period or a preset release quantity period to update the priority of the call request records; set a maximum waiting time limit for each call request record, and when the queuing time of any call request record exceeds the maximum waiting time limit, prioritize the release of the vehicle corresponding to the call request record or output a departure instruction and remove the call request record from the queue to be responded to.

[0015] Furthermore, the control device is configured to: receive a dedicated operation trigger signal to cause the elevator car corresponding to the dedicated operation trigger signal to enter a dedicated operation state; prohibit the elevator car in the dedicated operation state from being used as the target elevator car of the dispatch command; and restore the dispatch allocation of the elevator car when it is detected that the elevator car in the dedicated operation state has exited the dedicated operation state.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects: By adopting the control method and system of the park vehicle-elevator system of the present invention, internal and external vehicle identification of entering vehicles is performed and an elevator call request record containing the destination layer is generated. The entry access control is realized by combining the destination layer position margin and the request volume of the corresponding destination layer in the waiting response queue. The priority of the elevator call request record is set based on the vehicle category, so that the passage demand of different vehicle categories can be coordinated in an orderly manner in the mixed traffic scenario of the park. At the same time, during the elevator dispatching stage, the occupancy status of the exit door and the vehicle-elevator operation status are used as the threshold conditions for the generation of elevator dispatching instructions and the release of the entrance gate. This ensures that vehicles can only enter the waiting area when the exit door channel is available and the vehicle-elevator meets the operation safety conditions, which helps to reduce the risk of congestion in the waiting area and entrance backflow, and improves the overall throughput and operation stability of the vehicle-elevator system.

[0017] The technical solutions provided by this invention also have the following advantages: By setting release weights for internal and external vehicles and rotating these weights according to a time cycle or release quantity cycle, while introducing a fallback mechanism with a maximum waiting time limit, the problem of a single vehicle category occupying resources for a long time or another vehicle category being starved for a long time can be suppressed while ensuring the operational efficiency of the park; by determining the threshold based on the difference between the available space and the request volume and selecting different thresholds according to internal / external and loading / unloading / parking scenarios, differentiated access and flow control that better suit the park's business can be achieved; by adjusting the available space of loading / unloading positions before a request at the loading / unloading layer is selected... By monitoring and freezing / unfreezing corresponding requests when the reserve is insufficient, queuing disorder and invalid release caused by fluctuations in loading and unloading resources can be reduced. By setting up a mechanism to cancel the arrival and car entry timeout after entry release, and a mechanism to return to the exit layer for those who have not selected a floor after entering the car, resource occupation and process delays caused by abnormal behavior can be reduced. Through the triggering, prohibition, cancellation or freezing, and exit recovery mechanisms of the dedicated operation mode, combined with the door opening and closing control rules under dedicated operation, the independent operation needs of drivers can be met and the impact of dedicated operation on regular queuing can be reduced, thereby further improving the availability and safety of the park's vehicle and elevator system. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 A flowchart illustrating an exemplary control method for a park vehicle and elevator system provided by the present invention; Figure 2 An exemplary park vehicle elevator system provided by the present invention; Figure 3 This invention provides a schematic diagram of the vehicle registration and queuing process. Figure 4 This is a schematic diagram of an exemplary vehicle entering the vehicle and the gate provided by the present invention; Figure 5 This is a schematic diagram of the space occupied by the exit door provided by the present invention.

[0019] Among them: 10. Park vehicle elevator system; 11. Vehicle identification device; 12. Registration device; 13. Status acquisition device; 14. Queue management device; 15. Control device. Detailed Implementation

[0020] The following detailed description of the present invention, in conjunction with specific embodiments, further clarifies the content of the invention. In the specific embodiments of the present invention, to facilitate understanding and avoid ambiguity, the relevant terms are explained as follows: The ordinal numbers such as "first," "second," and "third" used in the present invention are only used to distinguish or refer to objects of the same kind, and do not indicate a ranking of importance, nor limit the quantity or order, nor necessarily limit physical location, connection relationship, or execution sequence. Unless otherwise explicitly stated, the execution order of related steps can be adjusted, combined, or split. The term "at least" indicates a lower limit meaning not less than the stated quantity; for example, "at least one" includes one or more. The terms "including," "comprising," and their variations are open-ended expressions, indicating that they include, but are not limited to, the listed components or steps, allowing the addition of unlisted components or steps without departing from the essence of the technical solution of the present invention. The terms "based on" and "at least based on" indicate that the factors are used as a basis or at least one of the bases when determining the result or performing the action; the result or action may also refer to other factors or conditions simultaneously. The terms "device," "module," "unit," and "system" are functional descriptions used to represent entities or logical sets that can perform corresponding functions. Their implementation can be hardware, software, firmware, or a combination thereof. Among them, "modules / units" can be integrated in the same processor or controller, or they can be distributed in multiple devices and connected by wired or wireless communication.

[0021] In this invention, "acquisition" refers to the process of obtaining information or data in any feasible manner, which may include receiving, reading, collecting, querying, extracting, calculating, deducing, parsing, calling, or a combination thereof. The acquired information may come from local storage, sensors, controllers, or from networks or external systems. "Preset" refers to parameters, rules, or values ​​configured by the user, management terminal, or device terminal before system operation, or parameters, rules, or values ​​that are automatically updated according to predetermined rules during operation. "Threshold" refers to a boundary parameter used to determine whether a condition is met. The threshold may be a fixed value, a range value, or a configurable value that varies with factors such as time, time period, vehicle category, and target layer. "Limited time" or "time limit" refers to a parameter that limits the duration of an action or state. Its timing start point may be the moment an event occurs or the moment a state is satisfied, and its timing end point may be the arrival of the limited time or the detection of an expected event. Unless otherwise stated, both limited time and time limit can be configurable parameters.

[0022] In this invention, a "request" refers to a set of information initiated by a vehicle or related terminal to trigger the system to perform registration, queuing, elevator dispatch, or release processing. An "elevator call request record" is a data record formed by structurally storing the information set of the "request," which includes at least vehicle identification, vehicle category, destination floor, and exit door side, and may optionally include timestamps, status markers, priority parameters, etc., for subsequent queue management and elevator dispatch processing. An "instruction" refers to a control signal or control information output by the system to the elevator, turnstile, or related terminal; an "elevator dispatch instruction" is an instruction used to instruct the target elevator to perform service and trigger corresponding release and guidance actions, which can be associated with the elevator call request record and at least instruct the target elevator.

[0023] In this invention, "queue" refers to a data structure or logical set used to temporarily store and manage multiple elevator call request records according to predetermined rules. Elements in the queue can be selected or processed according to first-in-first-out or priority sorting, and the queue can be divided or grouped according to dimensions such as destination level, vehicle category, and usage category. "Selection" refers to the process of determining the elevator call request record that needs to be processed from the queue to be responded to according to predetermined rules; "removal" refers to the process of deleting the elevator call request record from the queue to be responded to or marking it as no longer participating in queue selection. "Cleanup" refers to the process of releasing, revoking, deleting, or resetting residual data, tags, or occupancy relationships related to the target elevator or specific state, so that the system can be restored to a state where it can continue to process subsequent requests. "Freezing" refers to marking the corresponding elevator call request record as temporarily unselectable or temporarily unable to trigger elevator dispatch, so as to avoid continuing the vehicle passage process when the dispatch or registration conditions are not met; "unfreezing" refers to removing the freeze mark when the reason for freezing disappears or the relevant conditions are met again, so that the corresponding elevator call request record can resume participating in queue selection and elevator dispatch processing. Freezing and unfreezing can be performed based on events such as resource balance updates, changes in occupancy status, changes in elevator operation status, timeout expiration, or manual triggering. During the freezing period, key fields of the elevator call request record can remain unchanged or be updated according to rules.

[0024] In this invention, "light curtain" typically refers to a safety detection device or its output status signal installed in the door area of ​​an elevator car or landing door area. It is used to detect whether there are obstructions or obstacles in the door area, thereby enabling safety control and passage determination. The light curtain can be an infrared beam, laser, photoelectric array, or other equivalent door area safety detection method. Its "obstruction status" can indicate the presence of obstacles in the door area, the entry of a person or object into the detection area, or abnormal triggering conditions caused by light curtain malfunction or contamination. To avoid ambiguity, in this invention, "car door status" can indicate the door's position (closed, open, in the process of opening / closing, or malfunctioning) and other door operator-related states; "vehicle status" indicates whether a vehicle is inside the car or its arrival status; and "waiting position occupancy status" indicates whether the waiting position on the door side or the entrance side is occupied by a vehicle or whether the passage is available. The acquisition of the above states can be achieved through sensor detection, controller feedback, image recognition, door lock circuit signals, or a combination thereof.

[0025] The control schemes for park vehicle elevator systems are mostly based on "entrance registration and flow restriction" or "general vehicle elevator call control". The former usually determines whether a vehicle can enter the park based on statistics such as parking space availability and queue length, which can reduce peak congestion to a certain extent. However, under the circumstances of dynamic changes in available parking spaces, uncertain vehicle behavior, and limited elevator throughput, problems such as registered vehicles accumulating in the waiting area, entrance overflow, and passive long-term occupation of the elevator may still occur. The latter focuses on the elevator call, door opening and closing, and door area safety of the elevator itself. It is suitable for relatively simple service scenarios. However, in the "mixed use" scenario of the park, the elevator often simultaneously undertakes the mixed passage needs of loading and unloading vehicles and parking vehicles. There are also constraints such as mixed passage of internal and external vehicles, differences in entry and exit on both sides of the double doors, and occupancy of waiting areas. The general elevator call solution is difficult to coordinate the priority and release rhythm of different vehicle categories, and it is also difficult to detect and avoid the situation of "cannot pass after release" caused by the occupation of the target side channel in a timely manner. This leads to cascading congestion in the waiting area and entrance, affecting the overall operational efficiency and safety of the park.

[0026] To address the aforementioned issues, this invention provides a control method for a park vehicle and elevator system. This method identifies incoming vehicles as either internal or external vehicles and generates a call request record containing the destination floor. It combines the destination floor's position margin with the corresponding call volume to achieve queuing access control. During the call request record response phase, it prioritizes calls based on vehicle category to determine which calls require priority processing. Furthermore, when determining whether to allow a vehicle to enter, it uses the exit door's occupancy status and the elevator's operational status as threshold conditions for generating dispatch instructions and allowing entry through the gate. Vehicles are only allowed to enter the waiting area and dispatched when the exit door's access is available and the elevator meets safe operating conditions. This reduces congestion in the waiting area and the risk of entrance overflow, improving traffic efficiency and operational safety in mixed-traffic scenarios within the park.

[0027] Figure 1 This invention provides a flowchart of an exemplary control method for a park vehicle and elevator system. Figure 1 As shown, the exemplary method includes: S1, obtaining the registration information of the entering vehicle, identifying the vehicle category of the entering vehicle as an internal vehicle or an external vehicle, wherein the registration information includes at least the vehicle identifier, vehicle category, and destination layer; S2, based on the destination layer of the entering vehicle in step S1, obtaining the position margin of the destination layer and the request volume corresponding to the destination layer in the current response queue; when the position margin and the request volume do not meet the preset registration conditions, controlling the entry gate to prohibit passage and guiding the vehicle to leave; when the position margin and the request volume meet the preset registration conditions, generating an elevator call request record for the entering vehicle; S3, setting the priority of the elevator call request record based on the vehicle category, and selecting the elevator call request record with the highest priority from the response queue; S4, based on the occupancy status of the exit door side of the destination layer corresponding to the selected elevator call request record and the vehicle elevator operation status, generating an elevator dispatch instruction and controlling the entry gate to release passage, or freezing the selected elevator call request record and controlling the entry gate to prohibit passage. In this embodiment, the preset registration conditions indicate that the current site resources of the park meet the usage needs of the entering vehicle; the preset elevator dispatch conditions indicate that the vehicle waiting to be responded to can pass through to the destination floor without obstruction after entering the park. In some embodiments, the elevator operation status includes at least the car door status, the vehicle-carrying status, and the safety light curtain obstruction status. The conditions for generating the elevator dispatch command include that the waiting position on the exit door side is not occupied, the car door is closed in place, the car is not carrying a vehicle, and the safety light curtain is not obstructed.

[0028] Figure 2 This invention provides an exemplary park vehicle elevator system. For example... Figure 2 As shown, this exemplary campus vehicle elevator system 10 can be applied to, for example... Figure 1The control method flow shown specifically includes: a vehicle identification device 11, used to identify the vehicle identifier of an incoming vehicle and determine whether the vehicle is an internal or external vehicle; a registration device 12, used to receive registration information of the incoming vehicle, the registration information including at least the vehicle identifier, vehicle category, and destination floor, and to generate an elevator call request record or output departure guidance according to preset registration conditions; a status acquisition device 13, used to acquire the position margin of each destination floor, the number of requests for each destination floor in the pending response queue, the occupancy status of the exit door side of each floor, and the elevator operation status, specifically, acquiring the position margin of the destination floor of the incoming vehicle, the number of requests for the corresponding destination floor in the pending response queue, and the occupancy status of the exit door side of the current highest priority elevator call request record; and a queue management device 14, used to maintain the pending response queue. The system sets the priority of elevator call request records based on vehicle category to select the highest priority elevator call request record, where the priorities of external vehicles and internal vehicles are different. It also generates an elevator dispatch command or freezes the highest priority elevator call request record based on preset dispatch conditions. A control device 15, communicatively connected to the queuing gate and the entrance gate, is used to control the queuing gate to prohibit entry and output a departure instruction when the available space and the number of requests do not meet the registration conditions, and to control the queuing gate to allow entry when the available space and the number of requests meet the registration conditions. Specifically, it controls the internal or external queuing gate corresponding to the entering vehicle to allow entry based on the vehicle category. The control device 15 is also used to control the entrance gate to allow entry based on the dispatch command, or to control the entrance gate to prohibit entry based on the frozen state of the elevator call request record. In the aforementioned exemplary park elevator system 10, the elevator operation status includes at least the car door status, the car-carrying status, and the safety light curtain obstruction status. The conditions for generating the elevator dispatch command include that the waiting position on the exit door side is not occupied, the car door is closed in place, the car is not carrying a vehicle, and the safety light curtain is not obstructed.

[0029] Figure 3 This is a schematic diagram of the vehicle registration and queuing process provided by the present invention. Figure 3 As shown, in conjunction with the above Figure 1 and Figure 2 As can be seen from the exemplary embodiments, in the control method of the above-mentioned exemplary park vehicle elevator system, step S2 includes: S201, obtaining the position margin of the destination floor and the corresponding request quantity; S202, determining whether the preset registration conditions are met, if met, proceeding to step S203, if not met, proceeding to step S204; S203, generating an elevator call request record and adding it to the waiting response queue, controlling the internal or external queuing gate to allow passage; S204, controlling the queuing gate to prohibit passage and guiding the vehicle to leave. After step S203 is completed, step S3 is continued to be executed. After step S204 is completed, the position margin of the destination floor of the new incoming vehicle and the request quantity corresponding to the destination floor in the current waiting response queue are obtained.

[0030] Figure 4 This is a schematic diagram illustrating an exemplary vehicle entering the vehicle and the gate provided by the present invention. Figure 4 As shown, a vehicle identification device and a registration device are installed at the park entrance. Upon arrival, the vehicle identification device identifies the vehicle type and registers the destination layer, while the registration device receives the registration information. The vehicle then proceeds to the queuing gates, which include internal and external gates. The stairwell system guides vehicles to their corresponding lanes based on their vehicle type and, when preset registration conditions are met, controls the corresponding gate to allow the vehicle to enter the queuing buffer zone after the gate, thus forming a waiting queue for vehicles corresponding to the elevator request records in the waiting queue. In this embodiment, the queuing buffer zone is located between the queuing gates and the entrance gates. When an elevator request record is selected and meets the preset conditions for generating an elevator dispatch instruction, the entrance gate releases the vehicle corresponding to the selected request record according to a control signal, allowing it to continue towards the waiting position of the target stairwell indicated by the dispatch instruction. After receiving the registration information, if the usage demand of the vehicle does not meet the preset registration conditions, the queuing gate maintains a no-entry policy according to a control signal and outputs a departure instruction to the vehicle, guiding it along... Figure 4 The indicated departure direction is to leave the entrance area, thereby reducing the risk of vehicle congestion at the gate and buffer zone.

[0031] In one specific embodiment, the aforementioned preset registration condition is set as follows: the available space at the destination layer requested by the vehicle currently entering the park and the number of requests corresponding to that destination layer in the current response queue must satisfy the vehicle's usage needs. Specifically, the difference between these two should be greater than a preset threshold. In this specific embodiment, the preset threshold may further include an internal vehicle threshold and an external vehicle threshold, with the internal vehicle threshold being less than the external vehicle threshold. When determining whether the preset registration condition is met, the preset threshold is selected as either the internal vehicle threshold or the external vehicle threshold corresponding to the current vehicle category. Furthermore, when the park parking lot is used for both loading / unloading and parking on different levels, and the destination level includes both loading / unloading and parking levels, in this specific embodiment, the location margin is divided into loading / unloading space margin and parking space margin. The internal vehicle threshold further includes internal loading / unloading vehicle threshold and internal parking vehicle threshold, and the external vehicle threshold further includes external loading / unloading vehicle threshold and external parking vehicle threshold. When the destination level is a loading / unloading level, the preset threshold is selected as either the internal or external loading / unloading vehicle threshold corresponding to the current vehicle category. When the destination level is a parking level, the preset threshold is selected as either the internal or external parking vehicle threshold corresponding to the current vehicle category. It should be understood that in this specific embodiment, the preset threshold can be configured by the park management based on historical traffic flow, elevator throughput capacity, waiting area capacity, and destination level resource fluctuations, or dynamically adjusted according to preset rules during operation, to reserve a safety buffer for the destination level resources and elevator access links during registration and release. For example, when the resource occupancy of the parking level is relatively stable, the threshold for internal parking vehicles can be set to 0 or 1, and the threshold for external parking vehicles can be set to 1 or 2. For the loading and unloading level, due to significant fluctuations in loading and unloading time and the possibility of temporary lane occupancy, the threshold for internal loading and unloading vehicles can be set to 1 or 2, and the threshold for external loading and unloading vehicles can be set to 2 or 3. It should be noted that the above values ​​are merely examples, and the preset thresholds can be further categorized or adaptively updated based on indicators such as traffic flow intensity at different times, the upper limit of the waiting queue length, and the turnover rate of loading and unloading positions.

[0032] Figure 5 This is a schematic diagram of the space occupied by the exit door provided by the present invention. Figure 5As shown, taking a specific destination floor as an example, after the elevator car arrives at that floor, it needs to exit through the exit door of that floor. The area indicated by the dashed box can be considered as the exit door side passage or exit door side waiting area. If vehicles are parked or queuing within this area, it constitutes an exit door side occupancy. In this case, even if the elevator car door is openable, vehicles inside the car may still be unable to leave the car in time due to the obstructed exit door passage, causing the elevator to linger on that floor and occupy elevator resources. Furthermore, the lingering of vehicles will prevent subsequent waiting vehicles from being dispatched and released on time, leading to a continuous backlog of vehicles in the waiting area or queuing buffer zone, which may eventually cause congestion problems such as vehicle overflow at the entrance and reduced traffic efficiency in the park. Therefore, in an exemplary embodiment of the present invention, by obtaining the occupancy status of the exit door side, and prohibiting the generation of elevator dispatch instructions, freezing the currently pending elevator call request records, or prohibiting the entry gate from releasing when the elevator waiting position on the exit door side is detected to be occupied, the situation where vehicles cannot pass through after entering the waiting area can be avoided, thereby reducing the risk of congestion in the vehicle-elevator system and improving the operational stability in mixed-use scenarios in the park.

[0033] In one specific embodiment, when the parking lot in the park is a mixed-use area for loading and unloading and parking, and the destination level includes both a loading and unloading level and a parking level, the remaining loading and unloading space in the loading and unloading level may change dynamically during the vehicle queuing process. For example, after a loading and unloading vehicle enters the loading and unloading level, the remaining loading and unloading space may decrease in a short period of time due to reasons such as extended loading and unloading operation time, temporary occupation of passageways, or occupation of adjacent loading and unloading spaces. As a result, even if subsequent registered vehicles whose destination level is the loading and unloading level are selected and allowed to enter the waiting area, they may not be able to complete passage after arriving at the loading and unloading level, which may further lead to the occupation of spaces on the elevator door side and the congestion of vehicle and elevator resources. Based on this, in this specific embodiment, when the queue to be responded to contains elevator call requests destined for the loading / unloading layer, the vehicle-elevator system continuously monitors the remaining loading / unloading positions at the loading / unloading layer. Before the highest priority elevator call request is selected from the queue to the loading / unloading layer, if it is detected that the remaining loading / unloading position is less than a preset loading / unloading position threshold (e.g., 2), the elevator call request records destined for the loading / unloading layer in the queue to be responded to are frozen, and the entry gate is controlled to prevent vehicles destined for the loading / unloading layer from entering the waiting area. When it is detected that the remaining loading / unloading position has recovered to or above the preset loading / unloading position threshold, the frozen elevator call request records destined for the loading / unloading layer are unfrozen, allowing them to resume participation in subsequent queue selection and elevator dispatching. Through the above method, when loading / unloading resources fluctuate, vehicles destined for the loading / unloading layer can be prevented from being released too early, thus avoiding occupancy of the loading / unloading layer channel and congestion of the vehicle-elevator system, thereby improving the operational stability in scenarios where loading / unloading and parking are combined.

[0034] In one specific embodiment, to achieve fairness and throughput efficiency in scenarios where internal and external vehicles share the same traffic flow, the queue management device sets release weights for internal and external vehicles respectively when maintaining the queue to be responded to. Based on these release weights, it performs priority weighting on the elevator call request records in the queue to be responded to determine the elevator call request record with the highest priority. Specifically, each elevator call request record in the queue to be responded to may further include a generation timestamp and a queuing time. The queue management device can set a priority base value related to the internal release weight for the elevator call request records of internal vehicles, set a priority base value related to the external release weight for the elevator call request records of external vehicles, and add a gain value related to the queuing time to any elevator call request record so that its priority increases accordingly as the waiting time increases. Subsequently, the highest priority elevator call request record is selected from all elevator call request records as the currently selected elevator call request record, and elevator dispatch and release processing is performed when the elevator dispatch instruction generation conditions are met, or freezing processing is performed when the elevator dispatch instruction generation conditions are not met.

[0035] Furthermore, in the above specific embodiments, the vehicle-elevator system rotates and adjusts the release weights of internal and external vehicles according to a preset time period or a preset release quantity period to update the priority of the elevator call request records in the pending response queue. Taking the preset release quantity period as an example, the vehicle-elevator system maintains a rotation counter, and uses each successful control of the entrance gate to release a vehicle into the waiting area as the counting unit; when the rotation counter reaches the preset release quantity period N, the vehicle-elevator system swaps or updates the internal and external release weights according to the preset rotation rules, and resets the rotation counter to zero to enter the next weight period. For example, in the first weighting cycle, if the internal release weight W_in and the external release weight W_out are set to W_in:W_out=3:1, then under the condition that the dispatching conditions are met, the vehicle-elevator system will prioritize ensuring that internal vehicles receive approximately 3 release opportunities and external vehicles receive approximately 1 release opportunity within N consecutive successful release cycles. When the cumulative number of successful releases reaches N, a weight rotation is triggered, switching the internal and external release weights to W_in:W_out=1:3, thus prioritizing that external vehicles receive approximately 3 release opportunities and internal vehicles receive approximately 1 release opportunity in the next weighting cycle. When the elevator call request record corresponding to a certain vehicle category is empty, the vehicle-elevator system can transfer the release opportunity for that category to another vehicle category to maintain vehicle-elevator throughput. Through the above weight rotation method, the problem of a single category occupying resources for a long time or another category waiting for a long time can be suppressed under the condition of mixed internal and external vehicles. Furthermore, in this specific embodiment, a maximum waiting time limit is set for each elevator call request record. When the queuing time of any elevator call request record exceeds the maximum waiting time limit, the elevator system can mark the elevator call request record as a mandatory priority record, so that it is processed in subsequent selections with priority over elevator call request records that have not exceeded the time limit; or, when it is detected that the destination floor position slack corresponding to the elevator call request record does not meet the registration conditions for a long time or the elevator dispatch instruction generation conditions are not met for a long time, a departure instruction is output to the vehicle and the elevator call request record is removed from the waiting response queue, so as to avoid occupying queue resources for a long time and reduce the risk of entrance congestion.

[0036] In one specific embodiment, after controlling the entrance gate to release the vehicle according to the elevator dispatch command, to avoid vehicles failing to arrive as expected or failing to enter the car as expected and thus occupying elevator dispatch resources for an extended period, the vehicle-elevator system sets a first time limit and a second time limit, and performs cancellation and queue back processing on the elevator dispatch command. Specifically, after controlling the entrance gate to release the vehicle, the vehicle-elevator system monitors whether the vehicle corresponding to the elevator dispatch command has arrived at the waiting position of the target elevator within the first time limit; if no vehicle is detected to have arrived at the waiting position of the target elevator within the first time limit, the elevator dispatch command is cancelled, and the corresponding elevator call request record is returned to the waiting queue for subsequent reselection and dispatch. Furthermore, after detecting that a vehicle has arrived at the waiting position of the target elevator and the entry conditions are met, the elevator system monitors whether the vehicle corresponding to the dispatch command has entered the car of the target elevator within a second limited time. If no vehicle is detected entering the car of the target elevator within the second limited time, the dispatch command is revoked and a departure instruction is output to the vehicle. The corresponding elevator call request record is removed from the pending response queue or marked as an invalid record, thereby reducing the risk of backlog in the waiting area and occupation of dispatch resources caused by abnormal vehicle behavior.

[0037] In one specific embodiment, after controlling the entry gate to allow passage, to prevent the elevator from waiting for a long time or operating ineffectively due to the lack of car floor selection input after a vehicle enters the car, the elevator system sets a third time limit and introduces a backtracking process for a preset exit floor. Specifically, the timing starts when a vehicle is detected entering the target elevator and the elevator car door is closed. The elevator system monitors whether it receives car floor selection input within the third time limit. If no car floor selection input is detected within the third time limit, the elevator system sets the preset exit floor as the destination floor for the vehicle and controls the elevator to run to the preset exit floor. At the same time, it outputs departure guidance information to the vehicle so that the vehicle leaves the elevator from the preset exit floor and leaves the elevator service area, thereby avoiding vehicles occupying car resources and improving elevator turnover efficiency.

[0038] Building upon the aforementioned exemplary embodiments, the vehicle-elevator system further supports a dedicated operation mode to meet the needs of forklift drivers or truck drivers in park logistics scenarios for independent operation of target vehicle-elevators. Specifically, the vehicle-elevator system receives a dedicated operation trigger signal to cause the target vehicle-elevator corresponding to the signal to enter a dedicated operation state. The dedicated operation trigger signal can be generated by a key switch, button, or authorization credential and can be associated with the destination layer corresponding to the dedicated operation. When a vehicle-elevator is in a dedicated operation state, the vehicle-elevator system prohibits that vehicle-elevator from being used as the target vehicle-elevator indicated by the dispatch command, in order to avoid dedicated operation crowding out the dispatch resources of regular queuing vehicles. At the same time, for the currently pending call request record pointing to a vehicle-elevator in a dedicated operation state, the vehicle-elevator system cancels or freezes it and controls the entry gate to prevent vehicles from driving to the waiting position of the vehicle-elevator in the dedicated operation state, thereby maintaining order in the waiting area and reducing the risk of congestion.

[0039] Furthermore, in the above embodiments, when the elevator is detected to have exited the dedicated operation state, the elevator system restores the elevator's dispatch allocation and clears any residual frozen records associated with the elevator. This clearing may include removing the frozen markers bound to the elevator, releasing the occupancy relationship of the waiting area, and restoring the selectable state of the corresponding elevator request record in the pending response queue, so that the elevator system can continue to dispatch and release subsequent vehicles according to the normal process. In addition, in this embodiment, the elevator in the dedicated operation state automatically opens its doors upon reaching the destination floor corresponding to the dedicated operation trigger signal, allowing drivers to quickly load / unload or pass through. Furthermore, to improve door area safety and avoid the risk of vehicles being trapped due to accidental door closure, the elevator only performs a door-closing operation upon receiving a continuously pressed door-closing input signal; when the continuously pressed door-closing input signal is released, it stops closing or remains open, thus enabling the driver to controllably manage door actions during dedicated operation.

[0040] In summary, the control method and system for a park vehicle elevator system provided by this invention identify internal and external vehicles entering the park, and implement queuing access control by combining the remaining space at the destination floor and the number of requests corresponding to the destination floor in the queue. During the queue selection phase, the priority of elevator call request records is set based at least on vehicle category to adapt to the passage needs of different vehicle categories in mixed-use park scenarios. Furthermore, by using the occupancy status of the exit door and the elevator operation status as threshold conditions for generating elevator dispatch instructions and allowing entry gates to pass, and combining dynamic monitoring and freezing of loading / unloading floor resources, rotation of internal and external release weights, handling of maximum waiting time limits, cancellation of elevator dispatch and entry timeout, and backtracking of exit floors for vehicles not selected after entry, while also supporting occupancy management and exit clearing in dedicated operation modes, this invention can reduce the risk of backlog in the waiting area and overflow at the entrance, and improve the passage efficiency, operational stability, and safety of vehicle elevators in mixed-use loading / unloading and parking scenarios in parks.

[0041] The above embodiments are merely illustrative of the technical concept and features of the present invention, intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and should not be construed as limiting the scope of protection of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of the present invention is defined by the appended claims rather than the foregoing description, and thus all changes falling within the meaning and scope of the equivalents of the claims are intended to be included within the present invention.

Claims

1. A control method for a park vehicle and elevator system, characterized in that, include: Obtain the registration information of the entering vehicle. The registration information includes at least the vehicle identification, vehicle category, and destination layer. The vehicle category includes internal vehicles and external vehicles. Obtain the position margin of the target layer and the request volume of the target layer in the current queue to be responded to. Control the entry gate to prohibit passage according to the preset registration conditions and guide the entering vehicle to leave, or control the entry gate to allow passage and generate the elevator call request record of the entering vehicle. The priority of the elevator call request record is set based on the vehicle category; The system responds to the highest priority elevator call request record, obtains the occupancy status of the exit door on the destination floor corresponding to the elevator call request record and the corresponding elevator operation status, controls the entrance gate to release the elevator and generates an elevator dispatch command according to the preset elevator dispatch conditions, or controls the entrance gate to prohibit the elevator and freezes the elevator call request record. The preset registration conditions indicate that the current site resources in the park meet the usage requirements of the entering vehicles. The preset dispatch conditions indicate that vehicles waiting to be responded to can pass through to their destination floor without obstruction after entering the site.

2. The control method for the park's vehicle and elevator system according to claim 1, characterized in that, The priority setting for the elevator call request record based on the vehicle category includes: Set release weights for internal and external vehicles respectively, and perform priority weighting on the call request records in the queue to be responded to based on the release weights to determine the call request record with the highest priority; Based on a preset time period or a preset release quantity period, the release weights of internal and external vehicles are rotated to update the priority of the elevator call request records in the pending response queue. A maximum waiting time limit is set for each elevator call request record. When the queuing time of any elevator call request record exceeds the maximum waiting time limit, the vehicle corresponding to the elevator call request record is given priority to be released or a departure instruction is output to it, and the elevator call request record is removed from the waiting response queue.

3. The control method for the park's vehicle and elevator system according to claim 1, characterized in that, The preset registration conditions include that the difference between the location margin and the request amount is greater than a preset threshold; The preset threshold includes an internal vehicle threshold and an external vehicle threshold, and the internal vehicle threshold is less than the external vehicle threshold. When determining whether the preset registration conditions are met, the preset threshold is selected as the internal vehicle threshold or the external vehicle threshold corresponding to the vehicle category.

4. The control method for the park's vehicle and elevator system according to claim 3, characterized in that, The destination layer includes a loading and unloading layer and a parking layer, and the position margin is either a loading and unloading position margin or a parking position margin. The internal vehicle threshold includes the internal loading / unloading vehicle threshold and the internal parking vehicle threshold; The external vehicle threshold includes the external loading / unloading vehicle threshold and the external parking vehicle threshold; When the destination layer is a loading and unloading layer, the preset threshold is selected as either the internal loading and unloading vehicle threshold or the external loading and unloading vehicle threshold corresponding to the vehicle category. When the target layer is a parking layer, the preset threshold is selected as either the internal parking vehicle threshold or the external parking vehicle threshold corresponding to the vehicle category.

5. The control method for the park's vehicle and elevator system according to claim 1, characterized in that, The destination layer includes a loading / unloading layer and a parking layer. The position margin is either the loading / unloading position margin or the parking space margin. The control method of the park's vehicle elevator system further includes: when the queue to be responded to contains elevator call request records with the destination layer as the loading / unloading layer, before the highest priority elevator call request record with the destination layer as the loading / unloading layer is selected, the loading / unloading position margin of the loading / unloading layer is monitored. When the loading / unloading position margin is less than a preset loading / unloading position margin threshold, the elevator call request records with the destination layer as the loading / unloading layer in the queue to be responded to are frozen, and unfrozen when the loading / unloading position margin is greater than or equal to the preset loading / unloading position margin threshold.

6. The control method for the park's vehicle and elevator system according to claim 1, characterized in that, After the entrance gate is opened, if the vehicle corresponding to the dispatching instruction is not detected to have arrived at the waiting position of the target elevator within the first limited time, the dispatching instruction is cancelled and the corresponding elevator call request is returned to the waiting queue. If no vehicle corresponding to the dispatch command is detected entering the car of the target elevator within the second limited time, the dispatch command is revoked and the vehicle is instructed to leave.

7. The control method for the park's vehicle and elevator system according to claim 1, characterized in that, Also includes: Receive a dedicated operation trigger signal to cause the elevator car corresponding to the signal to enter a dedicated operation state, and prohibit the elevator car in the dedicated operation state from being used as the target elevator car of the dispatch command; When it is detected that a car elevator in dedicated operation mode has exited dedicated operation mode, the elevator dispatching of that car elevator is restored.

8. A park vehicle elevator system, characterized in that, include: A vehicle identification device for identifying the vehicle identifier and vehicle category of an incoming vehicle, the vehicle category including internal vehicles and external vehicles; The registration device is used to receive registration information of incoming vehicles. The registration information includes at least vehicle identification, vehicle category and destination floor, and generates a call-to-elevator request record or outputs departure guidance according to preset registration conditions. The status acquisition device is used to acquire the position margin of each floor, the number of requests for each destination floor in the queue to be responded to, the occupancy status of each floor's exit door, and the operation status of the elevator. A queue management device is used to set the priority of the elevator call request record, the priority being set at least based on vehicle category so that the priority of internal vehicles is different from that of external vehicles, and to respond to the highest priority elevator call request record, generate an elevator dispatch instruction or freeze the highest priority elevator call request record according to preset dispatch conditions. The control device is communicatively connected to the queuing gate and the entry gate, and is used to control the entry and exit of vehicles entering the queuing and the entry and exit of vehicles in the waiting queue.

9. The park vehicle elevator system according to claim 8, characterized in that, The queue management device is configured as follows: Set release weights for internal and external vehicles respectively, and perform priority weighting on the call request records in the queue to be responded to based on the release weights to determine the call request record with the highest priority; The priority of the elevator call request record is updated by rotating the release weights of internal and external vehicles according to a preset time period or a preset release quantity period. A maximum waiting time limit is set for each elevator call request record. When the queuing time of any elevator call request record exceeds the maximum waiting time limit, the vehicle corresponding to the elevator call request record is given priority to be released or a departure instruction is output and the elevator call request record is removed from the waiting response queue.

10. The park vehicle elevator system according to claim 9, characterized in that, The control device is configured to: Receive a dedicated operation trigger signal to cause the elevator corresponding to the dedicated operation trigger signal to enter a dedicated operation state; It is prohibited to use elevators in dedicated operation mode as the target elevators for the dispatch command; When it is detected that a car elevator in dedicated operation mode has exited dedicated operation mode, the elevator dispatching of that car elevator is restored.

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