A communication networking system and control method for an automated parking garage

Abstract

This invention discloses a communication networking system and control method for an automated parking garage, specifically relating to the field of communication networking technology. It includes a service terminal for terminal control, multiple local area network (LAN) nodes connected to the service terminal via a wireless network, and a drive terminal module for controlling actuators within the automated parking garage. The number of LAN nodes is the same as the number of levels in the automated parking garage. Each LAN node is connected to a signal transmitting antenna, which is equipped with a signal amplifier to amplify the transmitted signal. The signal transmitting antenna is also connected to a dynamic controller. This invention ensures that the signal strength at the location of the actuators within the automated parking garage does not significantly drop when they move in different directions. It improves the anti-interference capability of the wireless networking method and solves the problem of limited transmission distance, guaranteeing signal strength stability and communication quality.

Description

Technical Field

[0001] This invention relates to the field of communication networking technology, and more specifically, to a communication networking system for an automated parking garage and its control method. Background Technology

[0002] With the continuous development of my country's electric vehicle industry, electric vehicles are becoming increasingly popular. The increase in vehicles, high land costs, and limited parking spaces have made multi-level electric vehicle parking garages a growing trend. For multi-level parking garages equipped with charging piles, centralized management and communication of charging information, parking space status, and other data for the entire system has become a challenge. Current networking methods include direct wired networking and networking via 2.4G methods such as WiFi and Bluetooth. Firstly, regarding wired networking, interference issues arise because the network cable moves with the vehicle platform during garage operation. Secondly, 2.4G wireless networking methods like WiFi and Bluetooth have limited anti-interference capabilities and transmission distance, and are susceptible to power interference in parking garages, thus compromising communication quality. Summary of the Invention

[0003] To overcome the aforementioned deficiencies of the prior art, embodiments of the present invention provide a communication networking system and control method for a three-dimensional parking garage, which can improve the anti-interference capability of wireless networking and solve the problem of limited transmission distance, ensuring the stability of signal strength and communication quality.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a communication networking system and control method for an automated parking garage, comprising a service terminal for terminal control, multiple local area network nodes connected to the service terminal via a wireless network, and a drive terminal module for controlling the actuators within the automated parking garage;

[0005] The number of local area network nodes is the same as the number of floors in the multi-level parking garage. Each local area network node is connected to a signal transmitting antenna for transmitting signals. A signal amplifier is installed on the signal transmitting antenna to amplify the transmitted signal. The signal transmitting antenna is also connected to a dynamic controller to control the strength of the transmitted signal.

[0006] The signal transmitting antenna and local area network node are installed in the middle of each parking garage floor, at the same distance from the furthest parking space on the left and right sides of each parking garage floor. A steering control mechanism for steering control is installed at the bottom of the signal transmitting antenna.

[0007] In a preferred embodiment, the angle control mechanism controls the angle of the signal transmitting antenna according to the position of the actuator within the automated parking garage, and the dynamic controller controls the transmission intensity of the signal transmitting antenna according to the position of the actuator within the automated parking garage.

[0008] In a preferred embodiment, a drive terminal module is connected to the actuator in each parking garage floor, and the drive terminal module located in the same floor only receives the signal emitted by the signal transmitting antenna in that parking garage floor.

[0009] In a preferred embodiment, each drive terminal module is integrated with the actuator and moves along with the actuator.

[0010] In a preferred embodiment, each drive terminal module is provided with a distance sensing module for sensing the distance between the actuator and the signal transmitting antenna. During the operation of the actuator, the distance sensing module continuously acquires the signal receiving distance α of the actuator.

[0011] The present invention also provides a control method for a communication network system of an automated parking garage, the method comprising:

[0012] Step one: The automated parking garage completes one operation without load, ensuring that all actuators complete one operation along their respective trajectories. During this process, the distance sensing module acquires the signal receiving distance α of the actuators. a ...α (a+n) , where α a For the minimum signal receiving distance, α (a+n) This represents the maximum signal reception distance.

[0013] Step 2: Obtain the signal strength distribution of the signal transmitting antenna, calculate the distance β between the boundary line of the -60dBm strength range and the signal transmitting antenna, and obtain the ratio of the actuator at the maximum signal receiving distance to β:

[0014] Step 3: Based on the ratio between the real-time signal receiving distance α and β during the movement of the actuator, the dynamic controller is dynamically controlled to change the signal amplification intensity of the signal amplifier.

[0015] Step four: Based on the real-time position of the actuator in each parking garage floor, adjust the angle of the signal transmitting antenna using the corner control mechanism.

[0016] The technical effects and advantages of this invention are as follows:

[0017] This invention ensures that the signal strength at the location of the actuator in the automated parking system does not drop significantly when the actuator moves in different directions. It can improve the anti-interference capability of the wireless networking method and solve the problem of limited transmission distance, thus guaranteeing the stability of signal strength and communication quality. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the system framework structure of the present invention. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0020] like Figure 1 The above describes a communication networking system and control method for an automated parking garage, which includes a service terminal for terminal control, multiple local area network nodes connected to the service terminal via a wireless network, and a drive terminal module for controlling the actuators within the automated parking garage.

[0021] The number of local area network nodes is the same as the number of floors in the multi-level parking garage. Each local area network node is connected to a signal transmitting antenna for transmitting signals. A signal amplifier is installed on the signal transmitting antenna to amplify the transmitted signal. The signal transmitting antenna is also connected to a dynamic controller to control the strength of the transmitted signal.

[0022] The signal transmitting antenna and local area network node are installed in the middle of each parking garage floor, at the same distance from the farthest parking space on the left and right sides of each parking garage floor. A turning control mechanism is installed at the bottom of the signal transmitting antenna to control the direction of the signal transmitting antenna in each parking garage floor. This changes the signal coverage range emitted by the signal transmitting antenna.

[0023] Furthermore, since the signal transmitting antenna is angled, the signal coverage strength at each location within each garage floor is not fixed but varies. This variation is consistent with the trajectory of the actuator; that is, the signal strength at the location of the actuator will be enhanced.

[0024] Based on the above, the angle control mechanism controls the angle of the signal transmitting antenna according to the position of the actuator in the automated parking garage, and the dynamic controller controls the transmission intensity of the signal transmitting antenna according to the position of the actuator in the automated parking garage.

[0025] Each floor of the parking garage has a drive terminal module connected to the actuator. The drive terminal module located on the same floor only receives the signal transmitted by the signal transmitting antenna on that floor of the parking garage.

[0026] Each drive terminal module is integrated with the actuator and moves along with the actuator.

[0027] Each drive terminal module is equipped with a distance sensing module for sensing the distance between the actuator and the signal transmitting antenna. During the operation of the actuator, the distance sensing module continuously acquires the signal receiving distance α of the actuator.

[0028] Since the actuator is in motion, the signal receiving distance α is also a dynamic range that changes as the actuator moves. The angle control mechanism adjusts the angle of the signal transmitting antenna according to the change of this dynamic range.

[0029] Therefore, even when the actuator moves in different directions, the signal strength at its location will not drop significantly, which can improve the anti-interference capability of wireless networking and solve the problem of limited transmission distance, ensuring the stability of signal strength and communication quality.

[0030] A control method for a communication network system in an automated parking garage, the method comprising:

[0031] The automated parking garage completes one operation without load, ensuring that all actuators complete one operation along their respective trajectories. During this process, the distance sensing module acquires the signal receiving distance α of the actuators. a ...α (a+n) , where α a For the minimum signal receiving distance, α (a+n) This represents the maximum signal reception distance.

[0032] Furthermore, by operating under no-load conditions, the variation in signal receiving distance is obtained. Based on this variation, the dynamic controller of the signal transmitting antenna is controlled, specifically as follows:

[0033] Obtain the signal strength distribution of the signal transmitting antenna, calculate the distance β between the boundary line of the -60dBm intensity range and the signal transmitting antenna, and obtain the ratio of the actuator at the maximum signal receiving distance to β:

[0034] Based on the ratio between the real-time signal receiving distance α and β during the movement of the actuator, the dynamic controller is dynamically controlled to change the signal amplification intensity of the signal amplifier.

[0035] Based on the above, when the ratio At that time, there is no need to control the dynamic controller, that is, the signal transmission strength of the signal transmitting antenna is inconvenient;

[0036] When the ratio At that time, the dynamic controller is controlled to amplify the signal transmitted by the signal transmitting antenna;

[0037] Furthermore, when the ratio is ≥1, the integer is taken, and if there is a decimal after the units digit, it is rounded up.

[0038] Based on the real-time location of the actuator in each parking garage floor, the angle of the signal transmitting antenna is adjusted using the corner control mechanism.

[0039] Since the actuator moves along a fixed trajectory within the garage, the angle adjustment method of the corner control mechanism for the signal transmitting antenna is also fixed. These fixed trajectories are pre-input into the system, and during the actuator's movement, the corner control mechanism is controlled according to the pre-input trajectories to adjust the angle of the signal transmitting antenna.

[0040] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A communication networking system for a three-dimensional parking garage, characterized in that, It includes a service terminal for terminal control, multiple local area network nodes connected to the service terminal via a wireless network, and a drive terminal module for controlling the actuators in the automated parking garage; The number of local area network nodes is the same as the number of floors in the multi-level parking garage. Each local area network node is connected to a signal transmitting antenna for transmitting signals. A signal amplifier is installed on the signal transmitting antenna to amplify the transmitted signal. The signal transmitting antenna is also connected to a dynamic controller to control the strength of the transmitted signal. The signal transmitting antenna and local area network node are installed in the middle of each parking garage floor, at the same distance from the farthest parking space on the left and right sides of each parking garage floor. A steering control mechanism for steering control is installed at the bottom of the signal transmitting antenna. The angle control mechanism controls the angle of the signal transmitting antenna according to the position of the actuator in the automated parking garage, and the dynamic controller controls the transmission intensity of the signal transmitting antenna according to the position of the actuator in the automated parking garage. By operating under no-load conditions, the variation in signal receiving distance is obtained. Based on this variation, the dynamic controller of the signal transmitting antenna is controlled, specifically as follows: Obtain the signal strength distribution of the signal transmitting antenna, calculate the distance β between the boundary line of the -60dBm strength range and the signal transmitting antenna, and obtain the ratio of the actuator at the maximum signal receiving distance to β; based on the ratio between the real-time signal receiving distance α and β during the actuator's movement, dynamically control the dynamic controller to change the signal amplification strength of the signal amplifier; when the ratio ≤ 1, no control of the dynamic controller is required, i.e., the signal transmission strength of the signal transmitting antenna remains unchanged; when the ratio ≥ 1, control the dynamic controller to amplify the signal transmitted by the signal transmitting antenna; when the ratio ≥ 1, round down to the nearest integer, and if there is a decimal after the units digit, round up to the nearest whole number.

2. The communication networking system for a three-dimensional parking garage according to claim 1, characterized in that, Each floor of the parking garage has a drive terminal module connected to the actuator. The drive terminal module located on the same floor only receives the signal transmitted by the signal transmitting antenna on that floor of the parking garage.

3. The communication networking system for a three-dimensional parking garage according to claim 2, characterized in that, Each drive terminal module is integrated with the actuator and moves along with the actuator.

4. The communication networking system for a three-dimensional parking garage according to claim 3, characterized in that, Each drive terminal module is equipped with a distance sensing module for sensing the distance between the actuator and the signal transmitting antenna. During the operation of the actuator, the distance sensing module continuously acquires the signal receiving distance α of the actuator.

5. A control method for a communication network system of an automated parking garage, applied to the communication network system of an automated parking garage as described in any one of claims 1 to 4, the method comprising: Step one, the empty load of the stereoscopic parking garage completes a running, and all actuators complete a work on all running tracks, in the process, the distance sensing module obtains the signal receiving distance α of the actuator a ...α （a+n） , wherein α a is the minimum signal receiving distance, and α （a+n） is the maximum signal receiving distance; Step 2: Obtain the signal strength distribution of the signal transmitting antenna, calculate the distance β between the boundary line of the -60dBm strength range and the signal transmitting antenna, and obtain the ratio of the actuator at the maximum signal receiving distance to β: ; Step 3: Based on the ratio between the real-time signal receiving distance α and β during the movement of the actuator, the dynamic controller is dynamically controlled to change the signal amplification intensity of the signal amplifier. Step four: Based on the real-time position of the actuator in each parking garage floor, adjust the angle of the signal transmitting antenna using the corner control mechanism.

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