Lifting parking frame for intelligent stereo garage

Abstract

The invention discloses a lifting parking frame for an intelligent stereo garage, and relates to the technical field of stereo garages. The garage frame comprises a garage frame body and a parking compartment module. A parking channel is arranged on the garage frame body and provided with a lifting mechanism. A parking pipe cavity is formed in the parking channel; each layer of parking pipe cavity is provided with a sliding rail mechanism. The sliding rail mechanism is matched with a parking compartment module; the parking compartment module comprises a compartment frame, a roller assembly and a limiting mechanism; vehicles are parked on the inner bottom wall of the carriage frame; roller assemblies are fixedly mounted at the bottom of the carriage frame, and the bottoms of the roller assemblies are in rolling fit with the sliding rail mechanisms; the compartment frames are provided with limiting mechanisms; and a driving mechanism is arranged in the carriage frame and is in transmission connection with the roller assemblies. Under the action of the garage frame main body and the parking compartment module, vehicles are compactly and rectangularly arranged and placed on the vertical plane, so that the advantages that the large parking capacity is achieved, and only extremely small public road occupied space is needed are achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of stereo garages, and in particular relates to a lifting parking rack for an intelligent stereo garage. Background Art

[0002] A multi-story parking garage is a mechanical or mechanical equipment system used to maximize the storage and retrieval of vehicles. It's an effective tool for professional parking management companies to increase parking capacity, boost revenue, and increase parking fee income. Currently, four types of multi-story parking garages are the most common, most widely used, and most suitable for large-scale development: lift and transverse transport, flat-surface transport, aisle stacking, and vertical lift.

[0003] Although the existing multi-story parking garage can increase the parking space capacity per unit area by several times, a large public road area is required for vehicles to enter and exit the garage. That is, a public road needs to be designed in the direction of each row of parking spaces so that car owners can drive their vehicles out. If the proportion of the public road is designed to be low, it will cause inconvenience in leaving the garage, traffic jams in the garage, and even inability to use the garage normally. This ultimately leads to a low utilization rate of the multi-story parking garage.

[0004] In response to the above-mentioned problems that public roads account for a high proportion, the parking space capacity of the stereo garage is not high enough and the utilization rate is low, the present invention designs a lifting parking rack for an intelligent stereo garage. Summary of the Invention

[0005] The purpose of the present invention is to provide a lifting parking frame for an intelligent three-dimensional garage. Through the function of the garage frame body and the parking compartment module, vehicles can be arranged in a compact rectangular shape on a vertical plane to achieve a larger parking capacity while requiring only a very small amount of space occupied by public roads, thereby significantly increasing the number of parking spaces and the utilization rate of garage space and reducing the proportion of public roads; and solving the above-mentioned problems.

[0006] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The present invention is a lifting parking frame for an intelligent three-dimensional garage, comprising a garage frame body and a parking compartment module; a plurality of parking channels are provided on the garage frame body, and a plurality of lifting mechanisms are evenly assembled on opposite sides of each parking channel; a plurality of layers of parking tube cavities are arranged inside each parking channel; a slide rail mechanism is evenly assembled on opposite sides of each layer of parking tube cavities; a parking compartment module is slidably fitted on the slide rail mechanism; the parking compartment module comprises a compartment frame, a roller assembly and a limiting mechanism; a vehicle is parked on the bottom wall of the compartment frame; a roller assembly is fixedly mounted on the bottom of the compartment frame, and the bottom of the roller assembly is in rolling cooperation with the slide rail mechanism; the compartment frame is equipped with limiting mechanisms at the front and rear wheel positions of the vehicle; a driving mechanism is built into the compartment frame, and the driving mechanism is transmission-connected to the roller assembly.

[0008] wherein the parking compartment module is used to store vehicles, and the owner first drives the vehicle into and parks it in the parking compartment module; the parking compartment module can move back and forth in the parking tube cavity by means of a slide rail mechanism; and the parking compartment module can also be lifted and lowered between adjacent parking tube cavities in the upper and lower layers by means of a lifting mechanism; if the garage frame body is provided with A parking channels, and each parking channel is provided with B parking tube cavities, and each parking tube cavity is provided with C convex horizontal slide rails for supporting the parking compartment module; that is, the theoretical maximum capacity of the garage frame body for parking vehicles is L=ABC; the theoretical maximum capacity of each parking channel for parking vehicles is S=BC; and since the parking compartment module can be freely lifted and lowered and adjusted in the direction of forward and backward in the corresponding parking channel; that is, when the total number of vehicles parked in the parking channel is lower than S1=S-1=BC-1, the parking compartment module can be moved in the parking channel similar to the classic "sliding puzzle" or "number puzzle" such as nine squares and sixteen squares. "Among them, in the 9-grid or 16-grid sliding puzzle, people can exchange positions with the grids above, below, left and right through the blank grid", that is, using the blank space in the position without a car, the parking compartment module corresponding to the vehicle to be taken out is moved until it is moved to the exit; the function of moving any one of the parking compartment modules to the exit of the parking passage is achieved, so that the owner can drive the vehicle out from the parking compartment module at the exit; therefore, each of the parking passages can actually park a maximum capacity of M=BC-P without affecting any car owner taking out his own vehicle, and the value range of P is P=1,2,3,4,5; it can achieve the function of ensuring that each vehicle can be taken out through intelligent position transformation and adjustment; compared with traditional parking lots and parking equipment that require space left for public roads for vehicles to exit, it has the advantage of significantly increasing the number of parking spaces and the utilization rate of garage space, while also greatly reducing the proportion of public roads, thereby improving the efficiency ratio.

[0009] As a preferred technical solution of the present invention, a plurality of groups of load-bearing support frames are evenly arrayed on two opposite sides of the parking tube cavity on each floor; the slide rail mechanism includes a convex transverse slide rail and a telescopic assembly; the outer side surface of the convex transverse slide rail is fixedly installed with the telescopic end of the telescopic assembly; the telescopic assembly is fixedly installed on the inner wall of the parking tube cavity; the top of the convex transverse slide rail is in rolling cooperation with the roller assembly at the bottom of the car frame; two give-way grooves are provided at the bottom of the convex transverse slide rail; the give-way grooves are in sliding cooperation with the top surface of the load-bearing support frame.

[0010] As a preferred technical solution of the present invention, a limiting card plate is provided on the top surface of the load-bearing support frame; a limiting card block is fixedly installed on the inner side wall of the displacement slide; and the inner side of the limiting card plate cooperates with the limiting card block.

[0011] As a preferred technical solution of the present invention, the carriage frame is provided with give-way windows on both sides; the carriage frame is provided with two sets of give-way lifting chutes on both sides, and the give-way lifting chutes are slidably matched with the load-bearing support frame.

[0012] As a preferred technical solution of the present invention, the lifting mechanism includes a threaded column, a lifting card seat and a threaded bracket; the threaded column is rotatably engaged on both sides of the parking channel, and a motor and a gearbox are installed at the bottom of the parking channel; the motor is transmission-connected to the threaded column through the gearbox; a threaded bracket is threadedly engaged on the threaded column, and one side of the threaded bracket is slidably engaged with the side wall of the garage frame body; a lifting card seat is slidably engaged on the threaded bracket.

[0013] As a preferred technical solution of the present invention, a U-shaped base is fixed on the inner side of the lifting base, and two elliptical slide grooves in the horizontal direction are opened inside the lifting base; the lifting base is slidably matched with a threaded bracket in the horizontal slide groove; an electric telescopic rod is also fixedly installed on the inner side of the lifting base; the telescopic end of the electric telescopic rod is fixedly connected to a threaded bracket.

[0014] As a preferred technical solution of the present invention, two sets of lifting slots are provided on both sides of the carriage frame, and the lifting slots are slidably matched with the U-shaped card seat.

[0015] As a preferred technical solution of the present invention, limit plates are provided on both sides of the bottom of the carriage frame, and the inner side of the limit plate is limitedly matched with the outer side of the slide rail mechanism; the carriage frame is fixedly provided with reinforcing ribs on both sides of the clearance window.

[0016] As a preferred technical solution of the present invention, a pressure sensor for detecting whether a parked vehicle exists is fixedly installed on each convex transverse slide rail of the garage frame body.

[0017] The present invention has the following beneficial effects:

[0018] 1. The present invention arranges vehicles in a compact rectangular arrangement on a vertical plane through the function of the garage frame body and the parking compartment modules, thereby achieving a large parking capacity while requiring very little space occupied by public roads. This has the advantages of significantly increasing the number of parking spaces and the utilization rate of garage space, while also greatly reducing the proportion of public roads, thereby achieving the effect of improving the efficiency ratio.

[0019] 2. The present invention can lift and lower the parking compartment module and move it forward and backward through the lifting mechanism and the slide rail mechanism to meet the needs of subsequent position adjustment and vehicle placement.

[0020] 3. The present invention uses the control unit, microprocessor and pressure sensor to calculate and optimize the shortest and fastest adjustment route based on the vehicle's location information, thereby achieving the fastest adjustment optimization plan, reducing the time required for users to pick up the vehicle and avoiding the congestion problem of traditional garages.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a structural diagram of a lifting parking rack for an intelligent three-dimensional garage according to the present invention;

[0024] Figure 2 This is a structural front view of a lifting parking frame for an intelligent three-dimensional garage according to the present invention;

[0025] Figure 3 A top view of the structure of a lifting parking frame for an intelligent three-dimensional garage according to the present invention;

[0026] Figure 4 It is a partial structural schematic diagram of the garage frame main body of the present invention;

[0027] Figure 5 This is a schematic structural diagram of the parking compartment module of the present invention when viewed from above;

[0028] Figure 6 This is a schematic diagram of the structure of the parking compartment module of the present invention from a top view;

[0029] Figure 7 It is a structural schematic diagram of the slide rail mechanism of the present invention;

[0030] Figure 8 It is a structural schematic diagram of the lifting mechanism of the present invention;

[0031] Figure 9 It is a structural schematic diagram of the threaded bracket and the electric telescopic rod of the present invention;

[0032] Figure 10 A top view of the structure of the lifting mechanism of the present invention;

[0033] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0034] 1-garage frame body, 2-parking compartment module, 3-lifting mechanism, 4-slide mechanism, 5-vehicle, 101-parking channel, 102-parking tube cavity, 103-load-bearing support frame, 104-limiting card plate, 201-carriage frame, 202-roller assembly, 203-limiting mechanism, 204-yield window, 205-yield lifting slide, 206-lifting slot, 207-limiting plate, 208-reinforcement rib, 301-threaded column, 302-lifting card seat, 303-threaded bracket, 304-U-shaped card seat, 305-elliptical slide, 306-electric telescopic rod, 401-convex horizontal slide, 402-telescopic assembly, 403-yield slide, 404-limiting card block. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0036] Example 1

[0037] See also Figure 1-9As shown, the present invention is a lifting parking frame for an intelligent three-dimensional parking garage, comprising a garage frame body 1 and a parking compartment module 2; the garage frame body 1 is provided with a plurality of parking passages 101, and a plurality of lifting mechanisms 3 are evenly mounted on opposite sides of each parking passage 101; a plurality of parking tube cavities 102 are arranged inside each parking passage 101; a slide rail mechanism 4 is evenly mounted on opposite sides of each parking tube cavity 102; a parking compartment module 2 is slidably fitted on the slide rail mechanism 4; the parking compartment module 2 comprises a compartment frame 201, a roller assembly 202, and a limit mechanism 20 3; a vehicle 5 is parked on the bottom wall of the carriage frame 201; a roller assembly 202 is fixedly mounted on the bottom of the carriage frame 201, and the bottom of the roller assembly 202 is in rolling cooperation with the slide rail mechanism 4; the carriage frame 201 is equipped with limiting mechanisms 203 at the front and rear wheel positions of the vehicle 5; the limiting mechanism 203 is used to respectively raise and lower the front and rear sides of the front and rear wheels. There is a horizontal side blocking column, and two horizontal side blocking columns in a group will lock the front or rear wheels to prevent the vehicle 5 from sliding out; a driving mechanism is built into the carriage frame 201, and the driving mechanism is connected to the roller assembly 202 in transmission.

[0038] Among them, the parking compartment module 2 is used to store the vehicle 5, and the owner first drives the vehicle 5 into and parks it in the parking compartment module 2; the parking compartment module 2 can rely on the slide rail mechanism 4 to move back and forth in the parking tube cavity 102; and the parking compartment module 2 can also rely on the lifting mechanism 3 to perform lifting and lowering control between adjacent parking tube cavities 102 in the upper and lower layers; if the garage frame body 1 is provided with A parking channels 101, and each parking channel 101 is provided with B parking tube cavities 102, and each parking tube cavity 102 is provided with C convex horizontal slide rails 401 for supporting the parking compartment module 2; that is, the theoretical maximum capacity of the garage frame body 1 for parking vehicles is L=ABC; the theoretical maximum capacity of each parking channel 101 for parking vehicles is S=BC; and since the parking compartment module 2 can be freely lifted and lowered and changed in the direction of the front and back in the corresponding parking channel 101 Automatic adjustment; move any one of the parking compartment modules 2 to the exit of the parking passage 101 to complete the owner's vehicle 5 out of the parking compartment module 2 at the exit; therefore, on the basis of not affecting any car owner to take out his own vehicle, the maximum capacity of each parking passage 101 that can actually park vehicles is M=BC-P, and the value range of P is P=1,2,3,4,5; it can achieve the function of ensuring that each vehicle 5 can be taken out through intelligent position transformation and adjustment; compared with traditional parking lots and parking equipment that require space occupied by the road for the vehicle 5 to drive out, it has the advantage of significantly increasing the number of parking lots and the utilization rate of garage space; the maximum value of P, the more options for adjusting the vehicle to take out and the more convenient and quicker; and when the value of P is 2,3,4,5, as much redundancy as possible is reserved.

[0039] Among them Figure 3 and Figure 7 As shown, a plurality of load-bearing support frames 103 are evenly arranged on opposite sides of each parking tube cavity 102; the slide rail mechanism 4 includes a convex transverse slide rail 401 and a telescopic assembly 402; the telescopic assembly 402 adopts a cross telescopic mechanism or a prismatic telescopic frame; the outer side surface of the convex transverse slide rail 401 is fixedly mounted with the telescopic end of the telescopic assembly 402; the telescopic assembly 402 is fixedly mounted on the inner side wall of the parking tube cavity 102; the top of the convex transverse slide rail 401 is in rolling cooperation with the roller assembly 202 at the bottom of the car frame 201; the bottom of the convex transverse slide rail 401 is provided with two The give-way slide 403; the give-way slide 403 is slidably matched with the top surface of the load-bearing support frame 103; when the telescopic component 402 pushes the convex horizontal slide rail 401 inward, the convex horizontal slide rail 401 can provide bottom support for the parking compartment module 2; when the telescopic component 402 pulls the convex horizontal slide rail 401 outward, the convex horizontal slide rail 401 can provide space to give way when the parking compartment module 2 is lifted and moved, and the give-way lifting slide 205 on the parking compartment module 2 is to prevent the load-bearing support frame 103 from becoming a spatial obstacle to the lifting of the parking compartment module 2.

[0040] Among them Figure 5-6 As shown, there are yield windows 204 on both sides of the car frame 201; two sets of yield lifting slides 205 are provided on both sides of the car frame 201, and the yield lifting slides 205 slide together with the load-bearing support frame 103; the function of the yield window 204 is to provide the space required for the owner and passengers to get off the vehicle 5 in the car frame 201.

[0041] Among them Figure 8-9 As shown, the lifting mechanism 3 includes a threaded column 301, a lifting card seat 302 and a threaded bracket 303; the threaded column 301 is rotatably engaged on both sides of the parking channel 101, and a motor and a gearbox are installed at the bottom of the parking channel 101; the motor is connected to the threaded column 301 through the gearbox; the threaded column 301 is threadedly engaged with a threaded bracket 303, and one side of the threaded bracket 303 is slidably engaged with the side wall of the garage frame body 1; the lifting card seat 302 is slidably engaged on the threaded bracket 303; the motor and the gearbox control the height of the parking compartment module 2.

[0042] Among them Figure 8As shown, a U-shaped base 304 is fixed on the inner side of the lifting base 302, and two elliptical slide grooves 305 are provided inside the lifting base 302 in the horizontal direction; the lifting base 302 slides and cooperates with the threaded bracket 303 in the horizontal slide groove 305; the inner side of the lifting base 302 is also fixedly installed with an electric telescopic rod 306; the telescopic end of the electric telescopic rod 306 is fixedly connected to the threaded bracket 303; two groups of lifting slots 206 are provided on both sides of the car frame 201, and the lifting slots 206 slide with the U-shaped base 304; the electric telescopic rod 306 controls the lifting base 302 to slide horizontally on the threaded bracket 303, and also controls the position state of whether the U-shaped base 304 on the lifting base 302 is inserted into the lifting slot 206.

[0043] Example 2

[0044] A more preferred technical solution based on Example 1 is as follows: Figure 4 and Figure 7 As shown, a limiting card plate 104 is provided on the top surface of the load-bearing support frame 103; a limiting card block 404 is fixedly installed on the inner wall of the positioning groove 403; the inner side of the limiting card plate 104 cooperates with the limiting card block 404; the function of the limiting card plate 104 and the limiting card block 404 is to increase the clamping stability between the load-bearing support frame 103 and the convex horizontal slide rail 401.

[0045] Among them Figure 5-6 As shown, limit plates 207 are provided on both sides of the bottom of the car frame 201, and the inner side of the limit plate 207 is limited by the outer side of the slide rail mechanism 4; the car frame 201 is fixed with reinforcing ribs 208 on both sides of the clearance window 204; the function of the limit plate 207 and the convex transverse slide rail 401 is that when the parking car module 2 is placed on the convex transverse slide rail 401, there will be no problem of side sliding and tipping; the function of the reinforcing rib 208 is to strengthen the structural strength of the car frame 201.

[0046] Example 3

[0047] A more preferred technical solution based on the second embodiment is that the garage frame body 1 is fixedly equipped with a pressure sensor for detecting whether there is a parked vehicle 5 on each convex horizontal slide rail 401, and the pressure sensor detects the pressure data information of the parking compartment module 2 and the vehicle 5 on the convex horizontal slide rail 401; the pressure sensor transmits the detected pressure data to the microprocessor; the microprocessor transmits the pressure data and corresponding position information of the pressure sensor to the control unit, and the control unit analyzes and determines whether each position in the parking channel 101 is in a state of no car or with a car, thereby obtaining the least and fastest adjustment route through calculation and optimization, and achieving the fastest adjustment optimization plan.

[0048] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these 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.

[0049] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A lifting parking rack for an intelligent three-dimensional garage, characterized by: It comprises a garage frame body (1) and a parking compartment module (2); The garage frame body (1) is provided with a plurality of parking passages (101), and a plurality of lifting mechanisms (3) are evenly mounted on opposite sides of each parking passage (101); a plurality of layers of parking tube cavities (102) are arranged inside each parking passage (101); a slide rail mechanism (4) is evenly mounted on opposite sides of each layer of parking tube cavities (102); a parking compartment module (2) is slidably fitted on the slide rail mechanism (4); The parking compartment module (2) comprises a compartment frame (201), a roller assembly (202) and a limiting mechanism (203); a vehicle (5) is parked on the inner bottom wall of the compartment frame (201); a roller assembly (202) is fixedly mounted on the bottom of the compartment frame (201), and the bottom of the roller assembly (202) is in rolling cooperation with the slide rail mechanism (4); the compartment frame (201) is equipped with limiting mechanisms (203) at the front and rear wheel positions of the vehicle (5); The carriage frame (201) is provided with a built-in driving mechanism, and the driving mechanism is in transmission connection with the roller assembly (202).

2. The lifting parking rack for an intelligent three-dimensional garage according to claim 1 is characterized in that: A plurality of groups of load-bearing support frames (103) are evenly arrayed on two opposite sides of the parking tube cavity (102) on each layer; the slide rail mechanism (4) includes a convex transverse slide rail (401) and a telescopic component (402); the outer side surface of the convex transverse slide rail (401) is fixedly mounted on the telescopic end of the telescopic component (402); the telescopic component (402) is fixedly mounted on the inner side wall of the parking tube cavity (102); the top of the convex transverse slide rail (401) is in rolling engagement with the roller component (202) at the bottom of the carriage frame (201); two clearance grooves (403) are provided at the bottom of the convex transverse slide rail (401); the clearance grooves (403) are in sliding engagement with the top surface of the load-bearing support frame (103).

3. The lifting parking rack for an intelligent three-dimensional garage according to claim 2 is characterized in that: A limit clamping plate (104) is provided on the top surface of the load-bearing support frame (103); a limit clamping block (404) is fixedly installed on the inner side wall of the displacement slide groove (403); and the inner side of the limit clamping plate (104) cooperates with the limit clamping block (404).

4. The lifting parking rack for an intelligent three-dimensional garage according to claim 2, characterized in that: Both sides of the carriage frame (201) are provided with yielding windows (204); both sides of the carriage frame (201) are provided with two sets of yielding lifting chutes (205), and the yielding lifting chutes (205) are slidably matched with the load-bearing support frame (103).

5. The lifting parking rack for an intelligent three-dimensional garage according to claim 1 is characterized in that: The lifting mechanism (3) comprises a threaded column (301), a lifting card seat (302) and a threaded bracket (303); the threaded column (301) is rotatably engaged with both sides of the parking passage (101), and a motor and a gearbox are installed at the bottom of the parking passage (101); the motor is connected to the threaded column (301) through the gearbox; the threaded column (301) is threadedly engaged with a threaded bracket (303), and one side of the threaded bracket (303) is slidably engaged with the side wall of the garage frame body (1); the threaded bracket (303) is slidably engaged with the lifting card seat (302).

6. The lifting parking rack for an intelligent three-dimensional garage according to claim 5, characterized in that: A U-shaped card seat (304) is fixed on the inner side of the lifting card seat (302), and two elliptical sliding grooves (305) in the horizontal direction are opened inside the lifting card seat (302); the lifting card seat (302) is slidably matched with a threaded bracket (303) in the horizontal sliding groove (305); an electric telescopic rod (306) is also fixedly installed on the inner side of the lifting card seat (302); the telescopic end of the electric telescopic rod (306) is fixedly connected to the threaded bracket (303).

7. The lifting parking rack for an intelligent three-dimensional garage according to claim 6, characterized in that: Two groups of lifting slots (206) are provided on both sides of the carriage frame (201), and the lifting slots (206) are slidably matched with the U-shaped card seat (304).

8. The lifting parking rack for an intelligent three-dimensional garage according to claim 1, characterized in that: Limiting plates (207) are provided on both sides of the bottom of the carriage frame (201), and the inner side surfaces of the limiting plates (207) are matched with the outer side surfaces of the slide rail mechanism (4) for limiting. The carriage frame (201) is fixed with reinforcing ribs (208) on both sides of the clearance window (204).

9. The lifting parking rack for an intelligent three-dimensional garage according to claim 2, characterized in that: The garage frame body (1) is fixedly provided with a pressure sensor on each convex transverse slide rail (401) for detecting whether a parked vehicle (5) exists.

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