Parking space lock with infrared human body detection function

By introducing a combination of PIR sensor and Fresnel lens into the parking space lock, the problem of cumbersome disassembly and high false alarm rate of traditional parking space locks is solved, and rapid disassembly and high-precision infrared human body detection is achieved.

CN223135033UActive Publication Date: 2025-07-22JIANGSU RUOLIN LINK TECH CO LTD
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Patent Information

Application Number
CN202422081962.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-07-22
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

Traditional parking space locks are cumbersome to disassemble and infrared detection is susceptible to dust interference, resulting in high false alarm rates and difficult maintenance.

Method used

A parking space lock with infrared human body detection function was designed, and a PIR sensor was used to combine a Fresnel lens sheet to limit the infrared receiving angle and distance through the Fresnel lens sheet, reduce the false alarm rate, and automatically clean the lens sheet through the cleaning rod to achieve accurate detection.

Benefits of technology

It realizes rapid disassembly and maintenance of parking space locks, reduces false alarm rates, and improves detection accuracy and reliability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223135033U_ABST
    Figure CN223135033U_ABST
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Abstract

The utility model discloses a parking space lock with an infrared human body detection function, and relates to the technical field of parking space locks. Comprising a mounting frame, a mounting mechanism of the parking lock with the infrared human body detection function is arranged on the mounting frame, the mounting mechanism comprises a cleaning assembly, the cleaning assembly comprises a parking lock body arranged in the mounting frame, a control block is arranged at the center of the upper end of the parking lock body, and a limiting shell is arranged at the front end of the control block; when the parking space lock body is inserted into the mounting frame, the locking block is compressed by the inner wall of the mounting frame through the spring, the locking block is clamped and locked with the locking groove in the inner wall of the mounting frame when the parking space lock body continues to be inserted, and the locking block is locked through the locking groove in the inner wall of the mounting frame. And the two sets of push plates are close to each other during disassembly, so that the parking space lock body can be disassembled, and replacement and maintenance are convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of car locks, in particular to a car lock with an infrared human body detection function. Background Technique

[0002] With the acceleration of the urbanization process, the sharp increase in the number of cars has led to the increasingly prominent problem of parking difficulty. In order to effectively manage and utilize limited parking resources, car locks, as an important parking management tool, have been widely used in places such as communities and parking lots.

[0003] Reference patent (Publication No.: CN213867516U; Publication Date: August 3, 2021), a car lock with an infrared control function, includes a rocker arm, a main shaft, the main shaft is connected to the rocker arm, a base, a cavity is arranged in the base; a motor, including an output shaft, the motor is arranged in the cavity; a power supply, the power supply is arranged in the cavity; a transfer shaft, one end is connected to the output shaft of the motor, and the other end is connected to the main shaft; a light shielding plate, arranged on the transfer shaft; a control circuit board. By setting an infrared receiving and transmitting end on the control circuit board, the light shielding plate interrupts the infrared signal through the infrared transceiver end, so as to achieve the purpose of controlling the rising position of the rocker arm; when the rocker arm of the car lock falls to the ground, the driving current detected by the car lock is the largest, and the motor action is stopped. In this way, compared with mechanical control, the structure is simple and compact, the floor area is small, and the cost is low.

[0004] Traditional car locks are usually integrally installed on the ground, resulting in a cumbersome disassembly process, which is not conducive to quick replacement and maintenance. Moreover, although some car locks try to introduce infrared detection technology, due to the lack of precise angle and distance control, there are often false alarms. At the same time, the infrared sensor is vulnerable to dust interference after long-term operation, affecting the detection accuracy and effect, and requires regular cleaning, increasing the maintenance burden. Therefore, the utility model provides a car lock with an infrared human body detection function. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a car lock with an infrared human body detection function, which solves the problem of often facing sputum reflux.

[0006] To achieve the above objectives, the utility model is realized through the following technical solutions: A car lock with an infrared human body detection function, including an installation frame, an installation mechanism of the car lock with an infrared human body detection function is arranged on the installation frame, and the installation mechanism includes:

[0007] Cleaning component, including a parking lock body arranged inside the installation frame. A control block is arranged at the center of the upper end of the parking lock body. A limiting housing is arranged at the front end of the control block. A Fresnel lens for triggering distance limitation beside the vehicle is arranged at the front end of the limiting housing. A storage groove is formed on the upper end surface of the parking lock body in front of the limiting housing. A cleaning rod connected through a driving component is arranged inside the storage groove;

[0008] Locking component, including a locking groove formed on the inner wall of the installation frame. A locking block connected through an elastic component is arranged inside the parking lock body, and the locking block is in snap connection with the locking groove.

[0009] Preferably, the driving component includes a connecting shaft rotatably connected to the inner wall of the storage groove. The cleaning rod is fixedly connected to the outer wall of the connecting shaft. A transmission gear is fixedly connected to the front end of the connecting shaft. An electric push rod is arranged inside the parking lock body. A gear block is fixedly connected to the telescopic end of the electric push rod, and the gear block is in meshing connection with the transmission gear.

[0010] Preferably, a power supply body is connected to the upper end surface of the parking lock body at the rear side of the control block through a wire. A PIR sensor is arranged inside the limiting housing on the front end surface of the control block. Installation plates are arranged at the four ends of the installation frame. Threaded bolts are arranged inside the installation plates. A locking rod for placing illegal occupation is arranged inside the control block.

[0011] Preferably, the elastic component includes four groups of sliding grooves formed inside the parking lock body. Springs are fixedly connected to the inner walls of the sliding grooves. The locking block is fixedly connected to the end of the spring. A push plate for pushing the locking block is arranged above the locking block.

[0012] Preferably, a locking rod is arranged at the front end of the parking lock body. A lock block is arranged at the front end of the locking rod. A connection groove for the locking rod to pass through is formed inside the front end of the installation frame.

[0013] Preferably, positioning groove frames are arranged on both sides of the upper end of the installation frame. A positioning rod is slidably connected inside the positioning groove frames, and the positioning rod is fixedly connected to the parking lock body.

[0014] Beneficial effects

[0015] The utility model provides a parking lock with an infrared human body detection function. Compared with the prior art, the following beneficial effects are achieved:

[0016] First, when the main body of the parking lock is inserted into the interior of the installation frame, the locking block is compressed by the inner wall of the installation frame through a spring. When further inserted, it engages and locks with the locking groove on the inner wall of the installation frame, achieving the installation of the main body of the parking lock. And when disassembling, pushing the two push plates closer to each other can disassemble the main body of the parking lock, facilitating replacement and maintenance.

[0017] Second, the PIR sensor on the control block of the main body of the parking lock of the present invention is used to detect the change in infrared radiation when a vehicle or a human body enters the sensing range of the sensor, and transmit this signal to the microcontroller for processing. Then, the limiting housing and the Fresnel lens are used to enable the PIR sensor to only receive the infrared rays emitted by a moving human body within a specific angle and distance, thereby achieving the effect of detecting the owner approaching the vehicle. When the human body moves, the PIR sensor will be triggered. The triggering distance is limited to the side of the vehicle through the Fresnel lens. A limiting housing with a specific angle is installed outside the lens to enable it to only receive the infrared rays emitted by the human body in a specific area. Only when the human body moves within the preset area will the sensor be triggered, effectively reducing the false alarm rate. And the cleaning rod located on the Fresnel lens is rotated through the connecting shaft to achieve automatic cleaning of the Fresnel lens during long-term operation, preventing dust from possibly interfering with the lens's reception of infrared rays and thus affecting its detection accuracy and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 is a schematic cross-sectional view of the storage groove of the present invention;

[0020] Figure 3 is a schematic diagram of the internal structure of the installation frame of the present invention;

[0021] Figure 4 is a schematic diagram of the internal structure of the sliding groove of the present invention.

[0022] In the figure: 1. Installation frame; 101. Installation plate; 102. Threaded bolt; 2. Main body of the parking lock; 201. Control block; 202. Limiting housing; 203. Fresnel lens; 204. Storage groove; 205. Cleaning rod; 3. Connecting shaft; 301. Transmission gear; 302. Electric push rod; 303. Gear block; 4. PIR sensor; 401. Power supply main body; 5. Locking rod; 501. Lock block; 502. Connecting groove; 6. Locking groove; 601. Sliding groove; 602. Spring; 603. Locking block; 604. Push plate; 7. Lock rod; 8. Positioning rod; 801. Positioning groove frame. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-4 , the present invention provides a technical solution: a parking lock with an infrared human body detection function, including an installation frame 1, on which an installation mechanism of the parking lock with an infrared human body detection function is provided. The installation mechanism includes:

[0025] A cleaning component, including a parking lock main body 2 arranged inside the installation frame 1. At the center of the upper end of the parking lock main body 2, a control block 201 is provided. At the front end of the control block 201, a limiting housing 202 is provided. At the front end of the limiting housing 202, a Fresnel lens 203 for triggering the distance limit beside the vehicle is provided. In front of the limiting housing 202, a storage groove 204 is opened on the upper end surface of the parking lock main body 2. Inside the storage groove 204, a cleaning rod 205 connected by a driving component is provided. At the rear side of the control block 201 on the upper end surface of the parking lock main body 2, a power supply main body 401 is connected by a wire. On the front end surface of the control block 201 and inside the limiting housing 202, a PIR sensor 4 is provided. At the four ends of the installation frame 1, installation plates 101 are provided. Inside the installation plates 101, threaded bolts 102 are provided. Inside the control block 201, a locking rod 7 for placing illegal occupation is provided. The provided installation frame 1 is locked on the ground through the installation plates 101 and the threaded bolts 102. And through the PIR sensor 4 of the control block 201 on the parking lock main body 2, when a vehicle or a human body enters the sensing range of the sensor, it will detect the change of infrared radiation, and transmit this signal to the microcontroller for processing. Then, the limiting housing 202 and the Fresnel lens 203 enable the PIR sensor 4 to only receive the infrared rays emitted by a moving human body within a specific angle and distance, so as to achieve the effect of detecting the owner approaching the vehicle. When the human body moves, the PIR sensor will be triggered. Through the Fresnel lens 203, the triggering distance is limited beside the vehicle. Outside the lens, a limiting housing 202 with a specific angle is installed, so that it can only receive the infrared rays emitted by the human body in a specific area. Only when the human body moves within the preset area, the sensor will be triggered, effectively reducing the false alarm rate;

[0026] A locking component, including a locking groove 6 opened on the inner wall of the installation frame 1. Inside the parking lock main body 2, a locking block 603 connected by an elastic component is provided, and the locking block 603 is in snap connection with the locking groove 6.

[0027] In a preferred embodiment, the driving component includes a connecting shaft 3 rotatably connected to the inner wall of the receiving groove 204. The cleaning rod 205 is fixedly connected to the outer wall of the connecting shaft 3. A transmission gear 301 is fixedly connected to the front end of the connecting shaft 3. An electric push rod 302 is arranged inside the parking lock main body 2. A gear block 303 is fixedly connected to the telescopic end of the electric push rod 302. The gear block 303 is meshed with the transmission gear 301. The arranged gear block 303 is telescoped by the electric push rod 302 to rotate the transmission gear 301, so as to rotate the cleaning rod 205 located on the Fresnel lens 203 through the connecting shaft 3, realizing automatic cleaning of the long-time working Fresnel lens 203, preventing dust from possibly interfering with the infrared reception of the lens and further affecting its detection accuracy and effect.

[0028] In a preferred embodiment, the elastic component includes four groups of sliding grooves 601 opened inside the parking lock main body 2. A spring 602 is fixedly connected to the inner wall of the sliding groove 601. A locking block 603 is fixedly connected to the end of the spring 602. A push plate 604 for pushing the locking block 603 is arranged above the locking block 603. When the parking lock main body 2 is inserted into the installation frame 1, the locking block 603 is compressed by the inner wall of the installation frame 1 through the spring 602. When continuing to insert, it is engaged and locked with the locking groove 6 on the inner wall of the installation frame 1 to realize the installation of the parking lock main body 2. And when disassembling, the two push plates 604 are moved closer to each other to disassemble the parking lock main body 2, which is convenient for replacement and maintenance.

[0029] In a preferred embodiment, a locking rod 5 is arranged at the front end of the parking lock main body 2. A lock block 501 is arranged at the front end of the locking rod 5. A connecting groove 502 for the locking rod 5 to pass through is opened inside the front end of the installation frame 1.

[0030] In a preferred embodiment, positioning groove frames 801 are arranged on both sides of the upper end of the installation frame 1. A positioning rod 8 is slidably connected inside the positioning groove frames 801. The positioning rod 8 is fixedly connected to the parking lock main body 2. When installing the parking lock main body 2, the parking lock main body 2 is inserted into the positioning groove frames 801 through the positioning rod 8 to ensure the stability during installation. Then the locking rod 5 at the front end of the parking lock main body 2 is inserted into the connecting groove 502 at the front end of the installation frame 1, and then the lock block 501 is locked with a key to prevent theft by others when used outdoors.

[0031] Meanwhile, the content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0032] During operation, when inserting the main body 2 of the parking lock into the interior of the installation frame 1, the locking block 603 is compressed by the inner wall of the installation frame 1 through the spring 602. When continuing to insert, it engages and locks with the locking groove 6 on the inner wall of the installation frame 1, thus realizing the installation of the main body 2 of the parking lock. When disassembling, pushing the two push plates 604 closer to each other can disassemble the main body 2 of the parking lock. At the same time, insert the main body 2 of the parking lock into the interior of the positioning groove frame 801 through the positioning rod 8 to ensure the stability during installation. Then, insert the locking rod 5 at the front end of the main body 2 of the parking lock into the interior of the connection groove 502 at the front end of the installation frame 1, and then lock the lock block 501 with a key to prevent theft by others when used outdoors.

[0033] The PIR sensor 4 on the control block 201 of the main body 2 of the parking lock is used to detect the change in infrared radiation when a vehicle or a human body enters the sensing range of the sensor, and transmit this signal to the microcontroller for processing. Then, the housing 202 and the Fresnel lens 203 are restricted so that the PIR sensor 4 can only receive the infrared rays emitted by a moving human body within a specific angle and distance, thereby realizing the effect of detecting the owner approaching the vehicle. When the human body moves, the PIR sensor will be triggered. The trigger distance is restricted to the side of the vehicle through the Fresnel lens 203. A restricting housing 202 at a specific angle is installed outside the lens so that it can only receive the infrared rays emitted by a human body in a specific area. Moreover, the set gear block 303 is extended and retracted through the electric push rod 302 to rotate the transmission gear 301, thereby rotating the cleaning rod 205 located on the Fresnel lens 203 through the connecting shaft 3, realizing the automatic cleaning of the Fresnel lens 203 during long-term operation, preventing dust from possibly interfering with the lens's reception of infrared rays, and further affecting its detection accuracy and effect.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A parking space lock with an infrared human body detection function, comprising an installation frame (1), characterized in that: An installation mechanism for a parking space lock with infrared human detection function is provided on the installation frame (1), and the installation mechanism includes: A cleaning component, including a parking space lock main body (2) arranged inside the installation frame (1). At the center of the upper end of the parking space lock main body (2), a control block (201) is provided. At the front end of the control block (201), a limiting housing (202) is provided. At the front end of the limiting housing (202), a Fresnel lens (203) for triggering distance limitation beside the vehicle is provided. In front of the limiting housing (202), a storage groove (204) is opened on the upper end surface of the parking space lock main body (2). Inside the storage groove (204), a cleaning rod (205) connected through a driving component is provided. A locking component, including a locking groove (6) opened on the inner wall of the installation frame (1). Inside the parking space lock main body (2), a locking block (603) connected through an elastic component is provided, and the locking block (603) is in snap connection with the locking groove (6).

2. The parking lock with an infrared human body detection function according to claim 1, characterized in that: The driving component includes a connecting shaft (3) rotatably connected to the inner wall of the storage groove (204). The cleaning rod (205) is fixedly connected to the outer wall of the connecting shaft (3). At the front end of the connecting shaft (3), a transmission gear (301) is fixedly connected. Inside the parking space lock main body (2), an electric push rod (302) is provided. The telescopic end of the electric push rod (302) is fixedly connected with a gear block (303), and the gear block (303) is in meshing connection with the transmission gear (301).

3. The parking lock with an infrared human body detection function according to claim 1, characterized in that: The elastic component includes four groups of sliding grooves (601) opened inside the parking space lock main body (2). Springs (602) are fixedly connected to the inner walls of the sliding grooves (601). The locking block (603) is fixedly connected to the end of the spring (602). Above the locking block (603), a push plate (604) for pushing the locking block (603) is provided.

4. A parking space lock with an infrared human body detection function according to claim 1, characterized in that: A locking rod (5) is provided at the front end of the parking space lock main body (2). A lock block (501) is provided at the front end of the locking rod (5). Inside the front end of the installation frame (1), a connection groove (502) for the locking rod (5) to pass through is opened.

5. The parking space lock with an infrared human body detection function according to claim 1, characterized in that: Positioning groove frames (801) are provided on both sides of the upper end of the installation frame (1). A positioning rod (8) is slidably connected inside the positioning groove frames (801), and the positioning rod (8) is fixedly connected to the parking space lock main body (2).

6. The parking space lock with an infrared human body detection function according to claim 1, characterized in that: A power supply main body (401) is connected by a wire to the upper end surface of the parking space lock main body (2) at the rear side of the control block (201). A PIR sensor (4) is provided on the front end surface of the control block (201) inside the limiting housing (202). Installation plates (101) are provided at the four ends of the installation frame (1). Threaded bolts (102) are provided inside the installation plates (101). A locking rod (7) for placing illegal occupation is provided inside the control block (201).

Citation Information

Patent Citations

  • Parking space lock with infrared control function

    CN213867516U