Vehicle-mounted antenna with electromagnetic shielding function

Abstract

The utility model discloses a vehicle-mounted antenna with an electromagnetic shielding function, which relates to the technical field of vehicle-mounted antennae, and comprises a connecting seat fixedly connected with an automobile, a connecting piece is arranged on the connecting seat, an antenna body is arranged on the connecting piece, and a signal terminal is arranged on the antenna body. The antenna further comprises a cleaning mechanism arranged on the outer side of the antenna body, the cleaning mechanism is used for cleaning dust or water stains on the outer surface of the antenna body, the cleaning mechanism comprises two mounting shells, the two mounting shells are provided with limiting blocks and groove holes respectively, and the limiting blocks and the groove holes are matched to be used for locking the two mounting shells. Cleaning cloth is adhered to the interiors of the two mounting shells, and the cleaning cloth is used for wiping dust or water stains on the outer surface of the antenna body. The vehicle-mounted antenna with the electromagnetic shielding function is provided with the cleaning mechanism for cleaning dust and water stains, so that the using effect of the vehicle-mounted antenna is improved, the cleaning mechanism is convenient to disassemble and assemble, and the working efficiency is high.

Description

Technical Field

[0001] This utility model relates to the field of vehicle antenna technology, specifically to a vehicle antenna with electromagnetic shielding function. Background Technology

[0002] In current automotive communication systems, vehicle-mounted antennas not only need to meet basic signal transmission requirements, but also need to be able to cope with complex electromagnetic environments to ensure stable operation under various conditions. Therefore, vehicle-mounted antennas with electromagnetic shielding functions have emerged. Through special design, these antennas can effectively reduce external electromagnetic interference and protect the internal circuitry of the antenna from being affected, thereby improving communication quality and stability.

[0003] In practical applications, vehicles generate a large amount of dust particles during operation. These tiny particles can not only clog antenna gaps, affecting signal transmission and reception efficiency, but also alter the electromagnetic properties of the antenna surface. Dust particles themselves may possess a certain degree of conductivity or dielectric properties. When they adhere tightly to the antenna surface, they form an uneven dielectric layer. This dielectric layer interferes with the transmission path of electromagnetic waves, leading to a decrease in electromagnetic shielding effectiveness. In addition to dust, water stains are another important factor affecting the electromagnetic shielding effect of vehicle antennas. When driving in the rain, rainwater directly washes over the antenna surface, leaving water stains. As a good conductor, water's presence significantly alters the electromagnetic field distribution around the antenna, especially at antenna interfaces or gaps. If water seeps in, it can not only cause short circuits but also alter the reflection and refraction behavior of electromagnetic waves in these areas because water's dielectric constant is much higher than that of air, thus affecting the overall electromagnetic shielding performance of the antenna.

[0004] Therefore, in order to address the above issues, the applicant needs to design a vehicle-mounted antenna with electromagnetic shielding capabilities to solve the problem. Summary of the Invention

[0005] The purpose of this invention is to provide a vehicle-mounted antenna with electromagnetic shielding function to solve the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vehicle-mounted antenna with electromagnetic shielding function, including a connector fixedly connected to a vehicle, a connector fixedly disposed on the connector, an antenna body fixedly disposed on the connector, and a signal terminal for signal enhancement disposed at the end of the antenna body away from the connector.

[0007] It also includes a cleaning mechanism located on the outside of the antenna body, which is used to clean dust or water stains on the outer surface of the antenna body. The cleaning mechanism includes a first mounting shell and a second mounting shell. A limiting block is fixedly provided on the first mounting shell, and a slot is provided on the second mounting shell. The limiting block and the slot cooperate to lock the first mounting shell and the second mounting shell. A cleaning cloth is adhered inside both the first mounting shell and the second mounting shell, and the cleaning cloth is used to wipe away dust or water stains on the outer surface of the antenna body.

[0008] Furthermore, the slot is provided with a sliding groove inside, and a slider is slidably disposed inside the sliding groove. The limiting block is provided with a limiting hole, and the limiting hole cooperates with the slider to lock the slot and the limiting block.

[0009] With the above structural design, when the limiting block is inserted into the slot, the slider will be inserted into the limiting hole, which will firmly connect the slot and the limiting block, thereby firmly connecting the first mounting shell and the second mounting shell.

[0010] Furthermore, a return spring is fixedly provided on one side of the slider, and the end of the return spring away from the slider is fixedly connected to the inner surface of the groove.

[0011] With the above structural design, when the limiting block is inserted into the slot, the limiting block will push the slider to move. The movement of the slider will drive the return spring to move. The return spring will generate elastic force. When the limiting hole moves to the slider position, the return spring will push the slider to insert into the limiting hole, making the operation convenient.

[0012] Furthermore, a first inclined surface is provided on one side of the limiting block, and the first inclined surface is adapted to the slot; a second inclined surface is provided on one side of the slider, and the second inclined surface is adapted to the limiting hole.

[0013] Through the above structural design, the first inclined surface facilitates the insertion or removal of the limiting block from the slot under the action of external force, and the second inclined surface facilitates the insertion or removal of the slider from the limiting hole under the action of external force, making disassembly and installation convenient.

[0014] Furthermore, the cleaning cloth is provided with an adhesive layer, an absorbent layer and an outer layer from the inside out, and the inner surface of the adhesive layer is bonded to one side of the first mounting shell or the second mounting shell.

[0015] With the above structural design, the cleaning cloth consists of an adhesive layer, an absorbent layer and an outer layer. The outer layer facilitates wiping away dust from the antenna body, the absorbent layer facilitates absorbing water stains from the antenna body, and the adhesive layer facilitates bonding the cleaning cloth to the first mounting shell and the second mounting shell.

[0016] Furthermore, the adhesive layer is made of glue, and the outer layer is made of nylon fabric.

[0017] Through the above structural design, the adhesive has high viscosity, making it easy to firmly install the cleaning cloth on the first and second mounting shells. The nylon cloth has strong toughness and friction, making it easy to wipe away dust from the antenna body.

[0018] Furthermore, the absorbent layer is provided with two layers of fiber yarn located between the adhesive layer and the outer surface layer, and the space between the two layers of fiber yarn is filled with absorbent resin particles.

[0019] Through the above structural design, the fiber yarn is easy to install water-absorbing resin particles, which have strong water absorption properties, making it easy to remove water stains from the antenna body.

[0020] Compared with the prior art, the beneficial effects of this utility model are: the vehicle-mounted antenna with electromagnetic shielding function is equipped with a cleaning mechanism for cleaning dust and water stains, thereby improving the performance of the vehicle-mounted antenna. Furthermore, the cleaning mechanism is easy to disassemble and install, and has high working efficiency. The specific details are as follows:

[0021] 1. When using this vehicle-mounted antenna with electromagnetic shielding function, the first and second mounting shells are placed on the outside of the antenna body, and the limiting block is inserted into the slot by external force. After the limiting block is inserted into the slot, the limiting block will push the slider to move. The movement of the slider will drive the return spring to move. The return spring generates elastic force. When the limiting hole moves to the position of the slider, the return spring will push the slider to insert into the limiting hole, which will firmly connect the slot and the limiting block, thereby firmly connecting the first and second mounting shells. The operation is convenient and the installation efficiency is high.

[0022] 2. When the vehicle-mounted antenna with electromagnetic shielding function is in use, if there is accumulated dust or water stains on the outer surface of the antenna body, the cleaning mechanism is pushed up and down by external force, so that the cleaning cloth rubs on the antenna body. The nylon cloth on the outer layer of the cleaning cloth will wipe away the dust on the antenna body, and the water-absorbing resin on the water-absorbing layer will absorb the water stains on the antenna body, thereby preventing dust or water stains from interfering with the antenna body, and thus preventing dust or water stains from reducing the electromagnetic shielding performance of the entire antenna. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0024] Figure 2 This is a schematic diagram showing the disassembled structure of the first mounting shell and the second mounting shell of this utility model;

[0025] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0026] Figure 4 This is a schematic diagram of the connection structure between the slot and the limiting block of this utility model;

[0027] Figure 5 This is a schematic diagram of the layered structure of the cleaning cloth of this utility model.

[0028] In the diagram: 1. Connector; 2. Cleaning mechanism; 10. Connector; 11. Antenna body; 12. Signal terminal; 20. First mounting shell; 21. Second mounting shell; 22. Cleaning cloth; 23. Limiting block; 24. Slot; 220. Adhesive layer; 221. Absorbent layer; 222. Outer surface layer; 230. Limiting hole; 231. First inclined surface; 240. Slide groove; 241. Slider; 242. Return spring; 243. Second inclined surface. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] like Figures 1-5 As shown, the vehicle-mounted antenna with electromagnetic shielding function of this utility model includes a connector 1 fixedly connected to a car, and a connector 10 fixedly disposed on the connector 1. An antenna body 11 is fixedly disposed on the connector 10, and a signal terminal 12 for signal enhancement is disposed at the end of the antenna body 11 away from the connector 10. It also includes a cleaning mechanism 2 disposed on the outside of the antenna body 11, and the cleaning mechanism 2 is used to clean the dust or water stains on the outer surface of the antenna body 11. The cleaning mechanism 2 includes a first mounting shell 20 and a second mounting shell 21. A limiting block 23 is fixedly disposed on the first mounting shell 20, and a slot 24 is disposed on the second mounting shell 21. The limiting block 23 and the slot 24 cooperate to lock the first mounting shell 20 and the second mounting shell 21. A cleaning cloth 22 is adhered to the inside of both the first mounting shell 20 and the second mounting shell 21, and the cleaning cloth 22 is used to wipe away the dust or water stains on the outer surface of the antenna body 11.

[0031] The slot 24 has a sliding groove 240 inside, and a slider 241 is slidably mounted inside the sliding groove 240. A limiting hole 230 is provided on the limiting block 23, and the limiting hole 230 cooperates with the slider 241 to lock the slot 24 and the limiting block 23. When the limiting block 23 is inserted into the slot 24, the slider 241 will be inserted into the limiting hole 230, firmly connecting the slot 24 and the limiting block 23, thereby firmly connecting the first mounting shell 20 and the second mounting shell 21. A return spring 242 is fixedly mounted on one side of the slider 241, and the end of the return spring 242 away from the slider 241 is fixedly connected to the inner surface of the sliding groove 240. When the limiting block 23 is inserted into the slot 24, the limiting block 23 will push the slider 241 to move. The movement of slider 241 will drive the return spring 242 to move, and the return spring 242 will generate elastic force. When the limiting hole 230 moves to the position of slider 241, the return spring 242 will push slider 241 into the limiting hole 230, which is convenient to operate. A first inclined surface 231 is provided on one side of the limiting block 23, and the first inclined surface 231 is adapted to the slot 24. A second inclined surface 243 is provided on one side of the slider 241, and the second inclined surface 243 is adapted to the limiting hole 230. The first inclined surface 231 makes it easy for the limiting block 23 to be inserted into or pulled out of the slot 24 under the action of external force, and the second inclined surface 243 makes it easy for the slider 241 to be inserted into or pulled out of the limiting hole 230 under the action of external force, which is convenient to disassemble and install.

[0032] The cleaning cloth 22 is provided with an adhesive layer 220, an absorbent layer 221 and an outer layer 222 from the inside out. The inner surface of the adhesive layer 220 is bonded to one side of the first mounting shell 20 or the second mounting shell 21. The adhesive layer 220 is made of glue. The outer layer 222 is made of nylon cloth. The absorbent layer 221 is provided with two layers of fiber yarn between the adhesive layer 220 and the outer layer 222. The space between the two layers of fiber yarn is filled with absorbent resin particles. The glue has high viscosity, which makes it easy to firmly install the cleaning cloth 22 on the first mounting shell 20 and the second mounting shell 21. The nylon cloth has strong toughness and friction, which makes it easy to wipe away dust on the antenna body 11. The fiber yarn makes it easy to install absorbent resin particles. The absorbent resin particles have strong water absorption, which makes it easy to remove water stains on the antenna body 11.

[0033] Working principle: When using this vehicle-mounted antenna with electromagnetic shielding function, the first mounting shell 20 and the second mounting shell 21 are placed on the outside of the antenna body 11, and the limiting block 23 is inserted into the slot 24 by external force. After the limiting block 23 is inserted into the slot 24, the limiting block 23 will push the slider 241 to move. The movement of the slider 241 will drive the return spring 242 to move. The return spring 242 generates elastic force. When the limiting hole 230 moves to the position of the slider 241, the return spring 242 will push the slider 241 into the limiting hole 230, thus securing the connecting slot. Hole 24 and limiting block 23 are used to securely connect the first mounting shell 20 and the second mounting shell 21. When there is accumulated dust or water stains on the outer surface of the antenna body 11, the cleaning mechanism 2 is pushed up and down by external force, so that the cleaning cloth 22 rubs on the antenna body 11. The nylon cloth of the outer layer 222 of the cleaning cloth 22 will wipe away the dust on the antenna body 11, and the water-absorbing resin of the water-absorbing layer 221 will absorb the water stains on the antenna body 11, thereby preventing dust or water stains from interfering with the antenna body 11, and thus preventing dust or water stains from reducing the electromagnetic shielding performance of the entire antenna.

[0034] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A vehicle-mounted antenna with electromagnetic shielding function, including a connector (1) fixedly connected to a vehicle, and a connector (10) fixedly provided on the connector (1), an antenna body (11) fixedly provided on the connector (10), and a signal terminal (12) for signal enhancement is provided at one end of the antenna body (11) away from the connector (10). Its features are, Also includes: A cleaning mechanism (2) is provided on the outside of the antenna body (11), and the cleaning mechanism (2) is used to clean the dust or water stains on the outer surface of the antenna body (11). The cleaning mechanism (2) includes a first mounting shell (20) and a second mounting shell (21). A limiting block (23) is fixedly provided on the first mounting shell (20), and a slot (24) is provided on the second mounting shell (21). The limiting block (23) and the slot (24) cooperate to lock the first mounting shell (20) and the second mounting shell (21). A cleaning cloth (22) is glued inside the first mounting shell (20) and the second mounting shell (21), and the cleaning cloth (22) is used to wipe away the dust or water stains on the outer surface of the antenna body (11).

2. The vehicle-mounted antenna with electromagnetic shielding function according to claim 1, characterized in that: The slot (24) is provided with a sliding groove (240) inside, and a slider (241) is slidably provided inside the sliding groove (240). The limiting block (23) is provided with a limiting hole (230), and the limiting hole (230) and the slider (241) cooperate to lock the slot (24) and the limiting block (23).

3. The vehicle-mounted antenna with electromagnetic shielding function according to claim 2, characterized in that: A reset spring (242) is fixedly provided on one side of the slider (241), and the end of the reset spring (242) away from the slider (241) is fixedly connected to the inner surface of the groove (240).

4. The vehicle-mounted antenna with electromagnetic shielding function according to claim 3, characterized in that: The limiting block (23) has a first inclined surface (231) on one side, and the first inclined surface (231) is adapted to the slot (24). The slider (241) has a second inclined surface (243) on one side, and the second inclined surface (243) is adapted to the limiting hole (230).

5. The vehicle-mounted antenna with electromagnetic shielding function according to claim 1, characterized in that: The cleaning cloth (22) is provided with an adhesive layer (220), an absorbent layer (221) and an outer layer (222) from the inside out, and the inner surface of the adhesive layer (220) is bonded to one side of the first mounting shell (20) or the second mounting shell (21).

6. The vehicle-mounted antenna with electromagnetic shielding function according to claim 5, characterized in that: The adhesive layer (220) is made of glue, and the outer layer (222) is made of nylon cloth.

7. The vehicle-mounted antenna with electromagnetic shielding function according to claim 6, characterized in that: The absorbent layer (221) is provided with two layers of fiber yarn located between the adhesive layer (220) and the outer surface layer (222), and the space between the two layers of fiber yarn is filled with absorbent resin particles.

Images