Parking lot identification equipment with anti-fog lens
By using an electric heating plate to heat the thermally conductive glass plate in the lens anti-fog device and combining it with a PLC controller, the problem of the lens defogging system being unable to be disassembled is solved, achieving convenient lens maintenance and effective anti-fog effect.
Patent Information
- Application Number
- CN202520487832.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing lens defogging systems use temperature and humidity sensor structures for defogging, but the lens structure cannot be freely disassembled and reassembled, making maintenance and repair inconvenient.
The design employs an electric heating plate to heat the thermally conductive glass plate and allows for easy disassembly via fastening screws. Combined with a PLC controller that monitors the temperature and controls the power supply to the electric heating plate, the thermally conductive glass plate can be sprayed with an anti-fog agent to form a protective film, achieving an anti-fog effect for the lens.
It enables convenient lens disassembly and maintenance, effectively prevents fogging, and improves the reliability and maintenance efficiency of the equipment.
Smart Images

Figure CN223912532U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to parking lot identification equipment technical field, concretely is a lens anti -fog parking lot identification equipment. BACKGROUND
[0002] The parking lot identification equipment is the equipment of parking lot control release barrier, and the parking lot identification equipment captures vehicle image through the high definition camera, and through pre -treatment, license plate positioning, character segmentation and identification etc. Step, license plate number is read quickly and accurately, and is compared with the database, realizes the automatic identification and release of vehicle.
[0003] For example, the announcement number for: CN208636637U (named a lens defogging system of parking lot entrance and exit identification camera), is installed on the camera, the camera includes the shell, the lens is installed on the shell and is located in the cavity in the shell;The lens defogging system includes the hot air defogging module, the heating defogging module, the sensor module and the controller;Wherein, the controller is electrically connected with the hot air defogging module, the heating defogging module and the sensor module;The hot air defogging module is installed between the shell and the lens, and it includes piezoelectric fan and heating body;The piezoelectric fan is located on one side of the heating body;The heating defogging module includes the connecting part for being attached with the lens and a plurality of heating elements;A plurality of the heating elements are arranged at the connecting part;The sensor module includes temperature sensor and temperature and humidity sensor;The temperature sensor is installed on the outer surface of the shell;The temperature and humidity sensor is installed between the shell and the lens away from one side of the hot air defogging module, compares the internal temperature with the external temperature through the controller, compares the internal humidity with the set humidity, and can automatically select the suitable defogging scheme according to the comparison result.
[0004] The above-mentioned lens defogging system is handled by the temperature and humidity sensor structure to the parking lot identification equipment, but the defogging lens structure cannot be freely disassembled and assembled in the process of use, which causes the lens structure maintenance and repair to be inconvenient, therefore, we provide a lens anti -fog parking lot identification equipment. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a lens anti -fog parking lot identification equipment to solve the problem that the existing lens defogging system is handled by the temperature and humidity sensor structure to the parking lot identification equipment, but the defogging lens structure cannot be freely disassembled and assembled in the process of use, which causes the lens structure maintenance and repair to be inconvenient.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a lens anti -fog parking lot identification equipment, including equipment support, the upper end of equipment support is provided with equipment panel, the top of equipment panel is provided with camera, the rear end surface of equipment panel is provided with PLC controller, the outer wall of PLC controller is provided with temperature sensor;
[0007] Further comprising:
[0008] Camera lens, integrally formed on the front end position of the camera, and the outer wall of the camera lens is integrally formed with a lens frame, the inside of the lens frame is provided with an assembly slot, and the inside of the assembly slot is provided with a heat-conducting glass plate;
[0009] Bottom sealing seat plate, which is provided on the bottom position of the lens frame, and the inside of the bottom sealing seat plate is embeddedly fixed with an electric heating plate.
[0010] Preferably, the outer wall of the bottom sealing seat plate is provided with two mounting grooves, and the inside of the two mounting grooves is provided with a fastening screw, and the bottom sealing seat plate is fixedly connected with the lens frame through the fastening screw.
[0011] Preferably, the upper end of the PLC controller is provided with a power supply switch, the output end of the temperature sensor is electrically connected with the input end of the PLC controller, the output end of the PLC controller is electrically connected with the input end of the power supply switch, and the electric heating plate is in contact with the heat-conducting glass plate inside the bottom sealing seat plate.
[0012] Preferably, the bottom center position of the camera is provided with a bottom socket, and the bottom socket and the camera are an integral structure, and the top center position of the equipment panel is provided with two supporting brackets.
[0013] Preferably, the bottom socket is movably connected with the supporting bracket through a rotating shaft, and the two supporting brackets are an integral structure with the equipment panel.
[0014] Preferably, the output end of the power supply switch is provided with a power line, and the power supply switch is electrically connected with the electric heating plate inside the bottom sealing seat plate through the power line.
[0015] Preferably, the front end surface of the equipment panel is provided with an LED display screen, and the LED display screen and the equipment panel are an integral structure.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] This invention provides timely power to the heat-conducting glass plate via an electric heating plate, achieving the purpose of heating and defogging. Furthermore, the bottom sealing plate can be removed from the bottom of the lens frame by unscrewing the fastening screws, facilitating the removal of the heat-conducting glass plate from its internal assembly slot. Because the heat-conducting glass plate can be easily disassembled and installed, an anti-fogging agent can be sprayed onto it. This agent forms a protective film on the glass surface, preventing fog condensation and further achieving the anti-fogging purpose. This overcomes the problem of existing lens defogging systems that rely on temperature and humidity sensors for defogging, where the lens structure cannot be freely disassembled and reassembled during use, making maintenance and repair inconvenient. Attached Figure Description
[0018] Figure 1 This is a front view of the structure of the parking lot identification device with lens anti-fog of this utility model.
[0019] Figure 2 This is a rear view of the structure of the parking lot identification device with lens anti-fog of this utility model.
[0020] Figure 3 This is a cross-sectional view of the internal structure of the lens frame of this utility model.
[0021] Figure 4 This is an enlarged schematic diagram of part A of the present invention.
[0022] Figure 5 This is a schematic diagram of the PLC controller's workflow.
[0023] In the diagram: 1. Equipment bracket; 2. Equipment panel; 3. LED display screen; 4. Camera; 5. Lens frame; 6. Support bracket; 7. PLC controller; 8. Temperature sensor; 9. Power switch; 10. Power cord; 11. Bottom connector; 12. Camera lens; 13. Assembly slot; 14. Thermally conductive glass plate; 15. Bottom sealing plate; 16. Heating plate; 17. Mounting groove; 18. Fastening screws. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0025] This embodiment provides a parking lot recognition device with anti-fog lens, such as... Figures 1-5 As shown, the device includes a device bracket 1, a device panel 2 is provided at the upper end of the device bracket 1, a camera 4 is provided above the device panel 2, a PLC controller 7 is provided on the rear end face of the device panel 2, and a temperature sensor 8 is provided on the outer wall of the PLC controller 7.
[0026] Also includes: camera lens 12, integrally formed in the front end of the camera 4 position, and the outer wall of the camera lens 12 integrally formed with a lens frame 5, the lens frame 5 is provided with an assembly slot 13, the inside of the assembly slot 13 is provided with a heat-conducting glass plate 14;
[0027] The bottom of the lens frame 5 is provided with a bottom sealing seat plate 15, and the inside of the bottom sealing seat plate 15 is embeddedly fixed with an electric heating plate 16.
[0028] In use, the outdoor temperature is monitored by the temperature sensor 8, and when the outdoor temperature reaches the preset heating temperature of the PLC controller 7, the PLC controller 7 controls the power switch 9 to open, so that the power distribution box of the parking lot can be powered by the power supply line 10 to supply power to the electric heating plate 16. The electric heating plate 16 is powered and emits heat, which is conducted to the heat-conducting glass plate 14, which charges the lens structure of the camera lens 12. When the outdoor temperature is low, the electric heating plate 16 supplies power to the heat-conducting glass plate 14 in time to achieve the purpose of heating and defogging. In addition, the bottom sealing seat plate 15 can be removed from the bottom of the lens frame 5 by removing the fastening screw 18, so that the heat-conducting glass plate 14 can be removed from the assembly slot 13 inside the lens frame 5. Since the heat-conducting glass plate 14 can be conveniently disassembled and installed, the heat-conducting glass plate 14 can be sprayed with an anti-fog agent, which can form a protective film on the glass surface to prevent fogging and further achieve the purpose of anti-fogging.
[0029] Please refer to Figure 4 , the outer wall of the bottom sealing seat plate 15 is provided with two mounting grooves 17, and the two mounting grooves 17 are provided with fastening screws 18, and the bottom sealing seat plate 15 is fixedly connected with the lens frame 5 through the fastening screws 18. The two mounting grooves 17 on the outer wall of the bottom sealing seat plate 15 facilitate the installation of the fastening screws 18 to fix the bottom sealing seat plate 15 and the lens frame 5, please refer to Figure 2 and Figure 5 , the upper end of the PLC controller 7 is provided with a power switch 9, the output end of the temperature sensor 8 is electrically connected with the input end of the PLC controller 7, and the output end of the PLC controller 7 is electrically connected with the input end of the power switch 9. The electric heating plate 16 is in contact with the heat-conducting glass plate 14 inside the bottom sealing seat plate 15, and the power switch 9 provided at the upper end of the PLC controller 7 plays a role in controlling the power-on and power-off of the electric heating plate 16, please refer to Figure 4 , the bottom center of the camera 4 is provided with a bottom socket 11, and the bottom socket 11 and the camera 4 are an integral structure. The top center of the equipment panel 2 is provided with two support seats 6, and the bottom center of the camera 4 is provided with a bottom socket 11, which facilitates the movable connection of the camera 4 and the support seat 6, please refer to Figure 4The bottom base 11 is movably connected with the supporting base 6 through the rotating shaft 4, and the two supporting bases 6 are integrated with the equipment panel 2, please refer to Figure 1 The power supply switch 9 is electrically connected with the electric heating plate 16 in the bottom sealing base plate 15 through the power line 10, and the power line 10 on the output end of the power supply switch 9 plays a role of power transmission, please refer to Figure 1 The front end surface of the equipment panel 2 is provided with the LED display screen 3, the LED display screen 3 is integrated with the equipment panel 2, and the LED display screen 3 on the front end surface of the equipment panel 2 plays a role of displaying license plate information.
[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be regarded as limiting the claims to which they belong.
Claims
1. A lens anti-fog parking lot identification device, comprising a device support (1), the upper end of the device support (1) is provided with a device panel (2), the upper side of the device panel (2) is provided with a camera (4), the rear end surface of the device panel (2) is provided with a PLC controller (7), and the outer wall of the PLC controller (7) is provided with a temperature sensor (8); characterized in that Further comprising: A camera lens (12) is integrally formed at the front end of the camera (4), and a lens frame (5) is integrally formed on the outer wall of the camera lens (12); the inside of the lens frame (5) is provided with an assembly slot (13), and the inside of the assembly slot (13) is provided with a heat-conducting glass plate (14); A bottom sealing seat plate (15) is arranged at the bottom of the lens frame (5), and the inside of the bottom sealing seat plate (15) is embeddedly and fixedly provided with an electric heating plate (16).
2. The anti-fog parking lot identification device of claim 1, wherein: The outer wall of the bottom sealing seat plate (15) is provided with two mounting grooves (17), and the inside of the two mounting grooves (17) is provided with a fastening screw (18); the bottom sealing seat plate (15) is fixedly connected with the lens frame (5) through the fastening screw (18).
3. The anti-fogging parking lot identification device of claim 1, wherein: The upper end of the PLC controller (7) is provided with a power supply switch (9), the output end of the temperature sensor (8) is electrically connected with the input end of the PLC controller (7), the output end of the PLC controller (7) is electrically connected with the input end of the power supply switch (9), and the electric heating plate (16) is in contact with the heat-conducting glass plate (14) in the inside of the bottom sealing seat plate (15).
4. The anti-fogging parking lot identification device of claim 1, wherein: The bottom center of the camera (4) is provided with a bottom socket (11), and the bottom socket (11) and the camera (4) are an integral structure; the top center of the device panel (2) is provided with two support sockets (6).
5. The anti-fogging parking lot identification device of claim 4, wherein: The bottom socket (11) is movably connected with the support socket (6) through a rotating shaft, and the two support sockets (6) are an integral structure with the device panel (2).
6. The anti-fogging parking lot identification device of claim 3, wherein: The output end of the power supply switch (9) is provided with a power line (10), and the power supply switch (9) is electrically connected with the electric heating plate (16) in the inside of the bottom sealing seat plate (15) through the power line (10).
7. The anti-fogging parking lot identification device of claim 1, wherein: The front end surface of the device panel (2) is provided with an LED display screen (3), and the LED display screen (3) and the device panel (2) are an integral structure.
Citation Information
Patent Citations
Camera's camera lens defogging system is taken photograph in discernment of parking area access & exit
CN208636637U