Antenna device
By using conductive silver rubber parts in antenna equipment to connect the radiation unit and the feeding network, the problems of difficulty in producing and processing antenna equipment and low yield in the prior art are solved, and stable connection, efficient signal transmission and aesthetic improvement are achieved.
Patent Information
- Application Number
- CN202420438267.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-04
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-03-04
AI Technical Summary
There are problems of difficulty in connecting and low yield rate in the production and processing process of existing antenna equipment, especially the traditional coupling connection and welding methods lead to large circuit losses and complex processes, which are difficult to meet user needs.
An antenna equipment design is adopted including a feeding network, conductive silver rubber parts, radiation units and bottom plates. By connecting conductive silver rubber parts between the radiation unit and the feeding network, the circuit is ensured to be stable and the processing process is simplified through the coordination of the clamping and conductive silver rubber parts.
It realizes stable connection and efficient signal transmission of antenna equipment, reduces processing processes, improves yield, reduces line losses, and enhances the gain and aesthetics of the antenna.
Smart Images
Figure CN222654340U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of communication, and in particular relates to an antenna device. Background Art
[0002] As people's demand for mobile communications gradually increases, the demand for micro base station antennas is also increasing. The environmental beautification requirements for some indoor micro base station antennas are also getting higher and higher. Traditional spotlight antennas and ceiling antennas have gradually become popular. In related technologies, the antenna and PCB circuit components are usually connected by coupling connection or welding. However, the coupling connection method has large circuit loss and low production yield; welding requires strict control of welding temperature according to the material type, and there are many processes, which makes it difficult to meet user needs. Utility Model Content
[0003] The technical purpose of the utility model is to provide an antenna device, aiming to solve the problems of difficult production and processing and low yield rate of antenna devices in related technologies.
[0004] In order to solve the above technical problems, the utility model is implemented as follows: an antenna device includes: a feeding network, a conductive silver glue part, a radiation unit and a base plate, the radiation unit is fixed above the base plate, a clamping position is formed between the radiation unit and the base plate, the bottom end of the feeding network is engaged with the clamping position, and the conductive silver glue part is connected between the radiation unit and the feeding network.
[0005] Furthermore, a circuit component is provided in the feeding network, and the conductive silver glue component includes a first conductive part connected between the radiation unit and the circuit component.
[0006] Furthermore, a grounding layer and a dielectric layer are provided on the bottom plate, and the bottom plate, the grounding layer, the dielectric layer, and the radiation unit are connected in sequence from bottom to top; the feeding network has a grounding terminal, and the conductive silver glue part also includes a second conductive part connected between the grounding layer and the grounding terminal, and the first conductive part and the second conductive part are respectively located on opposite sides of the bottom of the feeding network.
[0007] Furthermore, the radiation unit includes a first substrate and a plurality of structural units spaced apart on the first substrate; the structural unit includes a main body and a signal input port, and the signal input port is connected between the main body and the feeding network.
[0008] Furthermore, the feeding networks are respectively arranged on opposite sides of the radiation unit, and the single main body is connected to each feeding network through two signal input ports; the structural unit also includes a branch connected to one end of the main body, and the two signal input ports on the single structural unit are respectively located on opposite sides of the main body away from one end of the branch.
[0009] Furthermore, the main body is hexagonal, and / or the branches are T-shaped.
[0010] Furthermore, the antenna device also includes an outer cover fixed to the bottom plate and the outer side of the feeding network.
[0011] Furthermore, a coupling loading sheet is fixed on the inner side of the top of the outer cover, and the coupling loading sheet is spaced apart from and directly facing the radiation unit.
[0012] Furthermore, the coupling loading sheet includes a second substrate and a plurality of loading units spaced apart on the second substrate, the number of the loading units is equal to the number of the structural units, and the loading units and the structural units are opposite to each other one by one.
[0013] Furthermore, the loading unit is circular.
[0014] Compared with the prior art, the antenna device in the utility model has the following beneficial effects: the feeding network is engaged with the prefabricated card positions, and the device structure is stably connected; the radiation unit and the feeding network are connected and fixed by using a conductive silver glue piece, that is, conductive silver glue is coated on the corresponding connection between the radiation unit and the feeding network to solidify it to form a conductive silver glue piece, thereby ensuring that the circuit between the radiation unit and the feeding network is stably conductive, with fewer processing steps, simple operation, small line loss, and high antenna gain. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is an exploded view of an antenna device in an embodiment of the utility model;
[0016] Figure 2 It is a partial structural schematic diagram of the antenna device in the embodiment of the utility model;
[0017] Figure 3 It is a schematic diagram of the overall structure of the radiation unit in the embodiment of the utility model.
[0018] In the accompanying drawings, the various reference numerals represent: 1. feeding network; 2. conductive silver glue part; 3. radiation unit; 31. first substrate; 32. structural unit; 321. main body; 322. signal input port; 323. branch; 4. dielectric layer; 5. ground layer; 6. bottom plate; 61. positioning part; 7. coupling loading sheet; 71. second substrate; 72. loading unit; 8. outer cover. DETAILED DESCRIPTION
[0019] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.
[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0022] Example:
[0023] like Figure 1-3 As shown, in this embodiment, the antenna device includes: a feeding network 1, a conductive silver glue part 2, a radiation unit 3 and a base plate 6, the radiation unit 3 is fixed above the base plate 6, a snap-in position is formed between the radiation unit 3 and the base plate 6, the bottom end of the feeding network 1 is engaged with the snap-in position, and the conductive silver glue part 2 is connected between the radiation unit 3 and the feeding network 1.
[0024] Specifically, the feed network 1 is also the PCB feed circuit of the antenna. A slot adapted to the feed network 1 is prefabricated above the bottom plate 6, the feed network 1 is vertically inserted into the slot, and the radiation unit 3 is further connected to the feed network 1 using a conductive silver glue part 2; wherein the conductive silver glue part 2 can be formed by applying 3703 quick-drying conductive silver glue at the corresponding position and then curing. This embodiment adopts this method to manufacture the antenna device, with fewer processing steps, simple operation, small line loss, and high antenna gain.
[0025] In this embodiment, the antenna device also includes an outer cover 8 fixed to the bottom plate 6 and the outer side of the feed network 1. The outer cover 8 can be a transparent acrylic antenna cover, which can protect the antenna structure while ensuring the signal transmission quality. The antenna device of the present application can be configured as a transparent micro base station antenna. The configuration of the transparent micro base station antenna provides more options for signal connections between high buildings, and can improve the aesthetics of the antenna device without reducing the daily lighting requirements; the number of micro base station antennas can also be increased, thereby improving communication quality and user experience.
[0026] In this embodiment, a line assembly is provided in the feed network 1, and the conductive silver glue part 2 includes a first conductive part connected between the radiation unit 3 and the line assembly. The existence of the first conductive part can ensure the circuit conduction between the feed network 1 and the radiation unit 3, thereby realizing signal transmission between the two. During installation, the coaxial cable and the feed line can be welded and routed first, and then the assembled feed network 1 can be inserted into the card position as a whole and glued, and the assembly operation is simple.
[0027] In this embodiment, a grounding layer 5 and a dielectric layer 4 are further provided on the base plate 6, and the base plate 6, the grounding layer 5, the dielectric layer 4, and the radiation unit 3 are connected in sequence from bottom to top; the feeding network 1 has a grounding terminal, and the conductive silver glue part 2 also includes a second conductive part (not shown in the figure) connected between the grounding layer 5 and the grounding terminal, and the first conductive part and the second conductive part are respectively located on opposite sides of the bottom end of the feeding network 1.
[0028] Specifically, the grounding end of the feed network 1 and the grounding layer 5 corresponding to the radiation unit 3 are connected through the second conductive connection part, and the adjacent layers among the bottom plate 6, the grounding layer 5, the dielectric layer 4, and the radiation unit 3 can be fixed by OCA adhesive, thereby forming a microstrip line patch antenna with beautiful appearance and good communication quality. A positioning part 61 is provided on the bottom plate 6, and the projection area of the grounding layer 5 in the height direction is larger than the projection area of the dielectric layer 4. After the bottom plate 6, the grounding layer 5, the dielectric layer 4, and the radiation unit 3 are correspondingly bonded and fixed, the positioning part 61, the grounding layer 5, the dielectric layer 4, and the radiation unit 3 are enclosed to form a card position adapted to the shape of the feed network 1; when the feed network 1 is installed in the card position, the outer side of the feed network 1 abuts against the positioning part 61, and the inner side abuts against the dielectric layer 4. The feeding network 1 is connected to a common ground with the radiation unit 3, and the common ground connection is connected with conductive silver glue, that is, the outer edge of the grounding layer 5 is located at the bottom of the feeding network 1 and extends to the outside, so as to further strengthen the connection between the grounding end and the grounding layer 5 through the second conductive part and ensure good conductivity between the two.
[0029] In some embodiments, the radiation unit 3 includes a first substrate 31 and a plurality of structural units 32 arranged at intervals on the first substrate 31; the structural unit 32 includes a main body 321 and a signal input port 322, and the signal input port 322 is connected between the main body 321 and the feed network 1. Preferably, four structural units 32 can be provided, and the four structural units 32 are arranged at intervals and evenly on the upper side of the first substrate 31. The first substrate 31 can be a PET film, which is light-transmissive and can stably carry the structural unit 32; the structural unit 32 can be obtained by depositing metal copper on the first substrate 31. The lower side of the first substrate 31 is covered with OCA glue so as to be bonded and fixed with the dielectric layer 4. The length of the grounding layer 5 can be 338 mm and the width can be 105 mm. The grounding layer 5 can include a main PET film layer and a metal ground composed of a whole surface of metal copper deposited on one side of the main PET film layer; the side of the base layer away from the dielectric layer 4 is covered with OCA glue so as to be bonded and fixed with the bottom plate 6. In this embodiment, the medium layer 4 can be made of a transparent acrylic material, and the bottom plate 6 can also be an acrylic transparent plate, which has good transparency, chemical stability and weather resistance, beautiful appearance and easy processing.
[0030] Further, in some embodiments, the feed network 1 is respectively arranged on opposite sides of the radiation unit 3, and the signal input port 322 serves as the positive and negative polarization signal input port of the single structural unit 32; the single main body 321 is connected to each feed network 1 through two signal input ports 322; the structural unit 32 also includes a branch 323 connected to one end of the main body 321, and the two signal input ports 322 on the single structural unit 32 are respectively located on opposite sides of the main body 321 away from one end of the branch 323. Among them, the length of the first substrate 31 can be 328mm and the width can be 99.4mm. Considering the problem of impedance matching and isolation between positive and negative polarization, the main body 321 of this embodiment can be set to a hexagon, which is beneficial to improve the communication quality of the antenna; in a specific embodiment, the branch 323 can be T-shaped; the width of the branch 323 can be 2mm, and such a setting can further adjust the standing wave and isolation.
[0031] In this embodiment, a coupling loading sheet 7 is fixed to the inner side of the top of the outer cover 8, and the coupling loading sheet 7 is spaced apart from and directly opposite to the radiation unit 3. When the antenna device is working, a signal can be input to the PCT feeding network 1 through the coaxial RF transmission port, and the feeding network 1 transmits the received signal to each structural unit 32 through its line component, and then radiates the signal through the coupling loading sheet 7. In some specific implementations, a positioning point can also be set on the inner side of the top of the outer cover 8 to facilitate more accurate installation of the coupling loading sheet 7 therein.
[0032] Further, in some embodiments, the coupling loading sheet 7 includes a second substrate 71 and a plurality of loading units 72 arranged at intervals on the second substrate 71, the number of the loading units 72 is equal to the number of the structural units 32, and the loading units 72 and the structural units 32 are directly opposite to each other, and the projected area of the loading units 72 is greater than the projected area of the main body 321. The second substrate 71 can be a PET film, the thickness of the second substrate 71 can be 0.05mm, the length can be 328mm, and the width can be 60mm. In a specific embodiment, the loading unit 72 can be circular, and the diameter can be 48mm; the distance between adjacent loading units 72 can be 90±0.1mm, so that the bandwidth of the loading sheet and the cross-polarization performance of the directional pattern can be optimally combined. The loading unit 72 can be obtained by depositing metal copper on one side of the second substrate 71; the side of the first substrate 31 away from the loading unit 72 is covered with OCA glue so that it can be firmly bonded to the outer cover 8.
[0033] During the assembly process, the adhesive backing surface of the coupling loading sheet 7 can be bonded and fixed to the outer cover 8; and the base plate 6, the grounding layer 5, the dielectric layer 4 and the radiation unit 3 are bonded together to form a slot; the 086 coaxial cable and the feeding network 1 are welded and routed, and then the feeding network 1 is inserted as a whole into the slot corresponding to the base plate 6; then, conductive silver glue is applied to the side of the bottom end of the feeding network 1 away from the radiation unit 3 (so that it solidifies to form a second conductive part) to complete the connection of the grounding part; finally, each signal input port 322 is connected to the feeding network 1 through the conductive silver glue (so that it solidifies to form a first conductive part), thereby completing the assembly of the antenna device.
[0034] It should be noted that the specific parameter values such as quantity and size mentioned above in this embodiment are merely exemplary and cannot be understood as limitations of the present invention.
[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An antenna device, characterized in that: It includes a feeding network, a conductive silver glue part, a radiation unit and a base plate. The radiation unit is fixed above the base plate. A clamping position is formed between the radiation unit and the base plate. The bottom end of the feeding network is engaged with the clamping position. The conductive silver glue part is connected between the radiation unit and the feeding network.
2. The antenna device according to claim 1, characterized in that A circuit component is arranged in the feed network, and the conductive silver glue component comprises a first conductive part connected between the radiation unit and the circuit component.
3. The antenna device according to claim 2, characterized in that A grounding layer and a dielectric layer are also provided on the bottom plate, and the bottom plate, the grounding layer, the dielectric layer, and the radiation unit are connected in sequence from bottom to top; the feeding network has a grounding terminal, and the conductive silver glue part also includes a second conductive part connected between the grounding layer and the grounding terminal, and the first conductive part and the second conductive part are respectively located on opposite sides of the bottom end of the feeding network.
4. The antenna device according to claim 1, characterized in that The radiation unit includes a first substrate and a plurality of structural units arranged on the first substrate at intervals; the structural unit includes a main body and a signal input port, and the signal input port is connected between the main body and the feeding network.
5. The antenna device according to claim 4, characterized in that The feeding networks are respectively arranged on opposite sides of the radiating unit, and the single main body is connected to each feeding network through the two signal input ports; the structural unit also includes a branch connected to one end of the main body, and the two signal input ports on the single structural unit are respectively located on opposite sides of the main body away from one end of the branch.
6. The antenna device according to claim 5, characterized in that The main body is hexagonal, and / or the branch is T-shaped.
7. The antenna device according to claim 4, characterized in that The antenna device further comprises a cover fixed to the base plate and the outer side of the feed network.
8. The antenna device according to claim 7, characterized in that A coupling loading plate is fixed on the inner side of the top of the outer cover, and the coupling loading plate is spaced apart from and directly faces the radiation unit.
9. The antenna device according to claim 8, characterized in that The coupling loading sheet includes a second substrate and a plurality of loading units spaced apart on the second substrate, the number of the loading units is equal to the number of the structural units, and the loading units and the structural units are opposite to each other one by one.
10. The antenna device according to claim 9, characterized in that The loading unit is circular.