A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure

Abstract

This invention proposes a heating and defogging sheet for a new energy vehicle lidar with an auxiliary conductive structure. It includes a light-transmitting conductive film and auxiliary conductive lines. Through the dual heating structure of the light-transmitting conductive film and auxiliary conductive lines, the heating and defogging sheet can efficiently and uniformly defog the lidar, ensuring its normal operation in complex environments. The auxiliary conductive lines are formed using conductive silver paste printing and are connected to the light-transmitting conductive film via positive and negative leads. The positive and negative leads are made of flexible conductive material, which can adapt to the bending and vibration requirements of the lidar installation structure, improving the durability and reliability of the equipment. It has advantages such as efficient defogging, uniform heating, good light transmittance, strong adaptability, low signal loss, and stable connection, significantly improving the performance and reliability of new energy vehicle lidar in complex environments.

Description

Technical Field

[0001] This utility model relates to a heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure. Background Technology

[0002] LiDAR (Light Detection and Ranging) determines the distance to objects by emitting laser beams and measuring their return time. It plays a crucial role in the autonomous driving assistance systems of new energy vehicles. A typical system includes a laser emitter, receiver, scanner, and information processing unit. The laser emitter emits laser pulses, which reflect back after encountering an object and are captured by the receiver. By measuring the round-trip time of the laser pulses, the system can calculate the distance to the object and construct an accurate 3D map of the surrounding environment. However, commonly used LiDAR defogging structures have low defogging efficiency. Water droplets or ice crystals in the fog scatter the laser light, causing the echo signal to weaken or distort, thus affecting the ranging accuracy of the LiDAR. This can lead to inaccurate perception of the surrounding environment by the autonomous driving system, increasing driving risks. Therefore, it is necessary to design a heated defogging plate for LiDAR to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a new energy vehicle lidar heating defogging plate with an auxiliary conduction structure to improve defogging efficiency.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure, comprising:

[0006] A light-transmitting conductive film is connected to a power source via a circuit, which can generate heat and perform defogging operation on the lidar.

[0007] Also includes:

[0008] Auxiliary conductive lines are provided, each of which is formed on the surface of the light-transmitting conductive film and connected to a power source through a circuit. It can generate heat and perform defogging operation on the lidar.

[0009] In one embodiment of this utility model, the auxiliary conductive line is formed by printing conductive silver paste on the surface of a light-transmitting conductive film.

[0010] In one embodiment of this utility model, the light-transmitting conductive film is provided with a positive electrode lead and a negative electrode lead at both ends, and the auxiliary conductive line is connected to the positive electrode lead and the negative electrode lead at both ends, respectively. The light-transmitting conductive film and the auxiliary conductive line are both connected to a power source through the positive electrode lead and the negative electrode lead.

[0011] In one embodiment of this utility model, the auxiliary conductive wires are arranged in parallel on the surface of the light-transmitting conductive film, and the spacing between each auxiliary conductive wire is equal, so that it heats up uniformly.

[0012] In one embodiment of this utility model, the conductive structure inside the light-transmitting conductive film is made of nano-conductive silver wires. The nano-conductive silver wires are uniformly distributed in the light-transmitting conductive film in a mesh structure to ensure the uniformity of heating and light transmittance of the light-transmitting conductive film.

[0013] In one embodiment of this utility model, the positive lead and the negative lead are made of flexible conductive material to adapt to the bending and vibration requirements of the lidar installation structure.

[0014] In one embodiment of this invention, the surfaces of the light-transmitting conductive film and the auxiliary conductive wire are coated with an anti-reflective coating to reduce light loss during signal transmission of the lidar.

[0015] In one embodiment of this utility model, a positive electrode connector is provided at the end of the positive electrode lead. The positive electrode connector is made of a rigid conductive material and is sleeved on the end of the positive electrode lead and welded in place. A negative electrode connector is provided at the end of the negative electrode lead. The negative electrode connector is made of a rigid conductive material and is sleeved on the end of the negative electrode lead and welded in place. The power supply is electrically connected to the positive electrode connector and the negative electrode connector through the line.

[0016] The advantages of this utility model are:

[0017] This heated defogging plate, through its dual heating structure of a transparent conductive film and auxiliary conductive wires, can efficiently and uniformly defog the lidar, ensuring its normal operation in complex environments. The auxiliary conductive wires are formed by printing conductive silver paste and are connected to the transparent conductive film via positive and negative leads. The positive and negative leads are made of flexible conductive material, which can adapt to the bending and vibration requirements of the lidar installation structure, improving the durability and reliability of the equipment. It has the advantages of efficient defogging, uniform heating, good light transmittance, strong adaptability, low signal loss, and stable connection, which can significantly improve the performance and reliability of lidar for new energy vehicles in complex environments. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure proposed in this utility model;

[0019] Figure 2 yes Figure 1 A magnified close-up of point A in the middle;

[0020] Figure 3 yes Figure 1A magnified close-up of point B in the middle. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0022] like Figures 1-3 As shown, the heating and defogging sheet for a new energy vehicle lidar with an auxiliary conductive structure proposed in this utility model includes a light-transmitting conductive film 100 and auxiliary conductive lines 200. The light-transmitting conductive film is connected to a power source through a circuit, which can generate heat and perform defogging operation on the lidar. Several auxiliary conductive lines are provided, each of which is formed on the surface of the light-transmitting conductive film and is connected to a power source through a circuit, which can generate heat and perform defogging operation on the lidar.

[0023] In this embodiment, the auxiliary conductive lines are formed by printing conductive silver paste on the surface of the transparent conductive film.

[0024] In this embodiment, the surface of the auxiliary conductive wire is also covered with a conductive wire insulating film, which provides insulation protection for the auxiliary conductive wire and prevents it from oxidizing and failing.

[0025] In this embodiment, a positive electrode lead 300 and a negative electrode lead 400 are provided at both ends of the light-transmitting conductive film. The two ends of the auxiliary conductive line are respectively connected to the positive electrode lead and the negative electrode lead. The light-transmitting conductive film and the auxiliary conductive line are both connected to the power supply through the positive electrode lead and the negative electrode lead.

[0026] In this embodiment, the auxiliary conductive lines are arranged in parallel on the surface of the light-transmitting conductive film, and the spacing between each auxiliary conductive line is equal, so that it heats up evenly.

[0027] In this embodiment, the base film of the light-transmitting conductive film is made of polyethylene terephthalate, and the conductive structure inside is made of nano-conductive silver wires. The nano-conductive silver wires are uniformly distributed in the light-transmitting conductive film in a mesh structure to ensure the uniformity of heating and light transmittance of the light-transmitting conductive film.

[0028] In this embodiment, after the nano-conductive silver wires are coated onto the base film, an insulating layer is then applied to cover the base film to provide insulation and protection for the nano-conductive silver wires. Before setting the auxiliary conductive wires, positive electrode leads, and negative electrode leads on the surface of the transparent conductive film, it is necessary to etch suitable circuit slots in the insulating layer of the base film to expose the nano-conductive silver wires at the corresponding locations. Then, the auxiliary conductive wires, positive electrode leads, and negative electrode leads are set in the circuit slots to connect with the nano-conductive silver wires.

[0029] In this embodiment, the positive and negative leads are made of flexible conductive materials to accommodate the bending and vibration requirements of the lidar installation structure.

[0030] In this embodiment, the surfaces of the light-transmitting conductive film and the auxiliary conductive wire are coated with an anti-reflective coating to reduce light loss of the lidar during signal transmission.

[0031] In this embodiment, a positive electrode connector 310 is provided at the end of the positive electrode lead. The positive electrode connector is made of a rigid conductive material and is sleeved on the end of the positive electrode lead and welded in place. A negative electrode connector 410 is provided at the end of the negative electrode lead. The negative electrode connector is made of a rigid conductive material and is sleeved on the end of the negative electrode lead and welded in place. The power supply is electrically connected to the positive electrode connector and the negative electrode connector through the line.

[0032] In this embodiment, the positive terminal is provided with a positive terminal piece 311 at the end of the positive terminal connector. The diameter of the positive terminal piece is larger than the diameter of the positive terminal connector. A positioning through hole is provided inside the positive terminal piece to facilitate connection to the power supply after connection with the circuit. The negative terminal is provided with a positive terminal piece at the end of the negative terminal connector. The diameter of the negative terminal piece is larger than the diameter of the negative terminal connector. A positioning through hole is provided inside the negative terminal piece to facilitate connection to the power supply after connection with the circuit.

[0033] In this embodiment, a positioning frame 500 is provided at the edge of the light-transmitting conductive film. The positioning frame supports the light-transmitting conductive film and the auxiliary conductive lines, and facilitates installation and positioning.

[0034] In the description of this utility model, it should be noted that when terms such as "upper," "lower," "inner," "outer," "left," and "right" appear to indicate orientation or positional relationships, they should be understood as being based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationships commonly used when the product of this utility model is in use, or the orientation or positional relationships commonly understood by those skilled in the art. These terms are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, when terms such as "first" and "second" appear, they are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, it should also be noted that unless otherwise explicitly specified and limited, terms such as "installation," "setting," and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure, comprising: A light-transmitting conductive film is connected to a power source via a circuit, which can generate heat and perform defogging operation on the lidar. Its characteristic is that it further includes: Auxiliary conductive lines are provided, each of which is formed on the surface of the light-transmitting conductive film and connected to a power source through a circuit. It can generate heat and perform defogging operation on the lidar.

2. The heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure according to claim 1, characterized in that: The auxiliary conductive lines are formed by printing conductive silver paste on the surface of a transparent conductive film.

3. A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure according to claim 1, characterized in that: The light-transmitting conductive film has a positive electrode lead and a negative electrode lead at both ends. The auxiliary conductive line is connected to the positive electrode lead and the negative electrode lead at both ends, respectively. The light-transmitting conductive film and the auxiliary conductive line are both connected to a power source through the positive electrode lead and the negative electrode lead.

4. A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure according to claim 1, characterized in that: The auxiliary conductive lines are arranged in parallel on the surface of the light-transmitting conductive film, and the spacing between each auxiliary conductive line is equal, so that it heats up evenly.

5. A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure according to claim 1, characterized in that: The conductive structure inside the transparent conductive film is made of nano-conductive silver wires. The nano-conductive silver wires are evenly distributed in the transparent conductive film in a mesh structure to ensure the uniformity of heating and the light transmittance of the transparent conductive film.

6. A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure according to claim 3, characterized in that: The positive and negative leads are made of flexible conductive materials to adapt to the bending and vibration requirements of the lidar installation structure.

7. A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure according to claim 1, characterized in that, The surfaces of the transparent conductive film and the auxiliary conductive wire are coated with an anti-reflective coating to reduce light loss during signal transmission of the lidar.

8. A heating and defogging sheet for a new energy vehicle lidar with an auxiliary conduction structure according to claim 6, characterized in that: The positive lead wire is provided with a positive lead connector at its end. The positive lead connector is made of a hard conductive material and is sleeved on the end of the positive lead wire and welded in place. The negative lead wire is provided with a negative lead connector at its end. The negative lead connector is made of a hard conductive material and is sleeved on the end of the negative lead wire and welded in place. The power supply is electrically connected to the positive lead connector and the negative lead connector through the circuit.

Images