Multi-frequency mobile phone antenna

Abstract

The utility model relates to the technical field of mobile phone antennas, and discloses a multi-frequency mobile phone antenna, which comprises an antenna bottom plate and four connecting blocks, a high-frequency antenna and a low-frequency antenna are respectively embedded in the upper end surface of the antenna bottom plate, fixing blocks are fixedly arranged at four corners of the upper end surface of the antenna bottom plate, grooves are formed in the lower ends of the four connecting blocks, and the connecting blocks are embedded in the grooves. An adhesive layer is fixedly arranged at the upper end of each connecting block, sliding grooves are formed in the two sides of the interior of the groove, rubber blocks are fixedly arranged on the two sides of the inner top face of the groove, extrusion plates are fixedly arranged at the lower ends of the two rubber blocks, sliding blocks are fixedly arranged on the two sides of the upper end face of the fixing block, and the antenna bottom plate comprises a temperature-resistant layer. An adaptive layer is fixedly arranged at the lower end of the temperature-resistant layer, and a composite layer is fixedly arranged at the lower end of the adaptive layer. According to the utility model, the antenna base plate, the high-frequency antenna and the low-frequency antenna are protected during installation, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone antennas, in particular to a multi-frequency mobile phone antenna. Background Art

[0002] A mobile phone antenna is a device used to receive and send wireless signals. It is installed inside or outside the mobile phone to achieve wireless communication functions. The main function of a mobile phone antenna is to receive wireless signals from base stations and convert them into electrical signals, as well as convert electrical signals sent by the mobile phone into wireless signals and transmit them to the base station. Different mobile phone manufacturers and models may use different types of antenna structures and materials to meet the performance and design requirements of the mobile phone.

[0003] The existing mobile phone antenna is welded on the main board inside the mobile phone, so that the mobile phone as a whole has good reception and transmission of wireless signals. However, when the antenna is installed inside the mobile phone, it is easy to squeeze and damage the antenna as a whole, and the antenna cannot be protected.

[0004] Therefore, the utility model provides a multi-frequency mobile phone antenna to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a multi-frequency mobile phone antenna, so that the antenna base plate can protect the antenna when welding inside the mobile phone, facilitate the connection between the antenna and the shell, and improve the performance of the antenna base plate when used on the mobile phone motherboard.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-band mobile phone antenna, comprising an antenna bottom plate and four connecting blocks, wherein a high-frequency antenna and a low-frequency antenna are respectively embedded on the upper surface of the antenna bottom plate, and fixing blocks are fixedly arranged at four corners of the upper surface of the antenna bottom plate, and grooves are provided at the lower ends of the four connecting blocks, and an adhesive layer is fixedly arranged at the upper ends of the connecting blocks, and sliding grooves are provided on both sides of the inner part of the groove, and rubber blocks are fixedly arranged on both sides of the top surface of the groove, and extrusion plates are fixedly arranged at the lower ends of the two rubber blocks, and sliders are fixedly arranged on both sides of the upper end surface of the fixing block;

[0007] The antenna bottom plate comprises a temperature-resistant layer, an adaptable layer is fixedly arranged at the lower end of the temperature-resistant layer, a composite layer is fixedly arranged at the lower end of the adaptable layer, a base layer is fixedly arranged at the lower end of the composite layer, and a flexible layer is fixedly arranged at the lower end of the base layer;

[0008] Through the above technical solution, the antenna bottom plate is welded on the mobile phone mainboard, and the high-frequency antenna and the low-frequency antenna on the upper end of the antenna bottom plate are multi-frequency processed. When the antenna bottom plate is in use, the mobile phone shell assembly squeezes the adhesive layer on the connecting block, so that the sliders on both sides of the fixed block slide in the slide grooves on both sides of the inner groove of the connecting block, so that the fixed block squeezes the airbags and the extrusion plates on both sides of the top surface of the connecting block, thereby protecting the antenna bottom plate from being damaged.

[0009] By arranging the layers on the antenna base plate, the temperature-resistant layer improves the good dielectric properties and high temperature resistance of the antenna base plate, the adaptive layer improves the conductive properties of the antenna body, the composite layer can extend the service life of the antenna and maintain its stable performance, and the flexible layer has good softness and durability.

[0010] Furthermore, the two sliding blocks are respectively slidably arranged inside the two sliding grooves, and the material used for the adhesive layer is engineering glue;

[0011] Through the above technical solution, the slider slides in the slide groove, so that the connecting block can move stably when being squeezed, and the adhesive layer is used as engineering glue to facilitate adhesion to the mobile phone shell.

[0012] Furthermore, the material used for the flexible layer is polyvinyl chloride;

[0013] Through the above technical solution, polyvinyl chloride has good softness and durability, and it is often used to make protective layers and insulating layers of mobile phone antennas to provide physical protection and electrical insulation functions.

[0014] Furthermore, the material used for the temperature-resistant layer is zirconia ceramics;

[0015] Through the above technical solution, the zirconia ceramic has excellent dielectric properties, high temperature stability and mechanical strength, and is suitable for antenna applications.

[0016] Furthermore, the material used for the adaptation layer is polyaniline;

[0017] Through the above technical solution, polyaniline has good electrical conductivity, and its electrical conductivity can be adjusted by controlling the reduction-oxidation process.

[0018] Furthermore, the material used for the composite layer is a polyurethane coating;

[0019] Through the above technical solution, the polyurethane coating has a high corrosion resistance effect, which can extend the service life of the antenna and maintain its stable performance.

[0020] Furthermore, the material used for the base layer is a PTFE substrate;

[0021] Through the above technical solution, the PTFE substrate has a low dielectric constant and a low loss factor, and is suitable for applications with high frequency and high-speed transmission.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a multi-frequency mobile phone antenna. The low-frequency antenna and the high-frequency antenna are arranged on the upper end of the antenna base plate, and the antenna can be multi-frequency. The fixing blocks are fixedly arranged at the four corners of the upper end surface of the antenna body, so that the sliders on both sides of the fixing block slide in the slide grooves on both sides of the inner groove of the connecting block. When the antenna base plate is placed in the mobile phone, the adhesive layer on the upper end of the connecting block is convenient for connecting the shell when the mobile phone shell is fixed. When the shell presses the connecting block, the extrusion plate at the lower end of the airbag presses the fixing block, so that the antenna base plate is more stable when it is welded on the mainboard for assembly, and the antenna body is prevented from being damaged.

[0024] 2. The multi-frequency mobile phone antenna proposed by the utility model is layered by being arranged on the antenna base plate, so that the temperature-resistant layer improves the good dielectric properties and high temperature resistance of the antenna base plate, the adaptive layer improves the conductive performance of the antenna body, the composite layer can extend the service life of the antenna and maintain its stable performance, and the flexible layer has good softness and durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the axial side of the utility model;

[0026] Figure 2 It is a front cross-sectional schematic diagram of the connection block of the utility model;

[0027] Figure 3 This is a schematic diagram of the antenna base structure of the utility model;

[0028] Figure 4 It is an enlarged schematic diagram of point A of the present utility model.

[0029] Legend:

[0030] 1. Antenna base plate; 2. High frequency antenna; 3. Low frequency antenna; 4. Connecting block; 5. Adhesive layer; 6. Rubber block; 7. Extrusion plate; 8. Groove; 9. Fixed block; 10. Slide groove; 11. Slider; 101. Heat resistant layer; 102. Adaptive layer; 103. Composite layer; 104. Base layer; 105. Flexible layer. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-4 The utility model provides an embodiment: a multi-band mobile phone antenna, including an antenna base plate 1 and four connecting blocks 4, the upper end surface of the antenna base plate 1 is respectively embedded with a high-frequency antenna 2 and a low-frequency antenna 3, the four corners of the upper end surface of the antenna base plate 1 are fixedly provided with fixing blocks 9, the lower ends of the four connecting blocks 4 are provided with grooves 8, the upper ends of the connecting blocks 4 are fixedly provided with adhesive layers 5, the inner sides of the grooves 8 are provided with sliding grooves 10, the inner sides of the top surfaces of the grooves 8 are fixedly provided with rubber blocks 6, the lower ends of the two rubber blocks 6 are fixedly provided with extrusion plates 7, the upper ends of the fixing blocks 9 are fixedly provided with a plurality of rubber blocks 6, and the upper ends of the fixing blocks 9 are provided with a plurality of rubber blocks 6. Slide blocks 11 are fixedly provided on both sides of the end surface. The antenna base plate 1 is welded on the mobile phone mainboard, and multi-frequency processing is performed through the high-frequency antenna 2 and the low-frequency antenna 3 on the upper end of the antenna base plate 1. When the antenna base plate 1 is in use, the mobile phone shell assembly squeezes the adhesive layer 5 on the connecting block 4, so that the slide blocks 11 on both sides of the fixed block 9 slide in the slide grooves 10 on both sides of the internal groove 8 of the connecting block 4, so that the fixed block 9 squeezes the airbags and the extrusion plate 7 on both sides of the top surface of the connecting block 4, and protects the antenna base plate 1 from being damaged.

[0033] The antenna base plate 1 includes a heat-resistant layer 101, an adaptive layer 102 is fixedly arranged at the lower end of the heat-resistant layer 101, a composite layer 103 is fixedly arranged at the lower end of the adaptive layer 102, a base layer 104 is fixedly arranged at the lower end of the composite layer 103, and a flexible layer 105 is fixedly arranged at the lower end of the base layer 104. By being arranged on the antenna base plate 1 for layering, the heat-resistant layer 101 improves the good dielectric properties and high temperature resistance of the antenna base plate 1, the adaptive layer 102 improves the conductive performance of the antenna body, the composite layer 103 can extend the service life of the antenna and maintain its stable performance, and the flexible layer 105 has good softness and durability.

[0034] The two sliders 11 are respectively slidably arranged inside the two slide grooves 10. The material used for the adhesive layer 5 is engineering glue. The slider 11 slides in the slide groove 10, so that the connecting block 4 can move stably when being squeezed. The adhesive layer 5 is engineering glue, which is convenient for sticking to the mobile phone shell to prevent it from falling off during assembly, thereby improving the installation efficiency of the antenna base plate 1.

[0035] The material used for the flexible layer 105 is polyvinyl chloride, which has good softness and durability. It is often used to make protective layers and insulating layers for mobile phone antennas to provide physical protection and electrical insulation functions, and is convenient for fixing different motherboard shapes. The material used for the temperature-resistant layer 101 is zirconia ceramics, which have excellent dielectric properties, high-temperature stability and mechanical strength, and are suitable for antenna applications, thereby increasing the service life of the antenna base plate 1. The material used for the adaptive layer 102 is polyaniline, which has excellent electrical conductivity and can be adjusted by controlling the reduction-oxidation process. The material used for the composite layer 103 is a polyurethane coating, which has a high corrosion resistance, can extend the service life of the antenna and maintain its stable performance, and prevent corrosion to the antenna base plate 1 during installation and disassembly. The material used for the base layer 104 is a PTFE substrate, which has a low dielectric constant and a low loss factor, and is suitable for high-frequency and high-speed transmission applications.

[0036] Working principle: The antenna base plate 1 is welded and set on the mobile phone mainboard, so that the high-frequency antenna 2 and the low-frequency antenna 3 on the upper end of the antenna base plate 1 are used, and when the mobile phone is assembled, the adhesive layer 5 on the connecting block 4 fixes the mobile phone shell, and when the connecting block 4 is squeezed, the sliders 11 on both sides of the fixed block 9 slide inside the slide grooves 10 on both sides of the groove 8, and the fixed block 9 squeezes the extrusion plate 7 at the lower end of the airbag to prevent the antenna base plate 1 from buffering and protecting.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-band mobile phone antenna, comprising an antenna base plate (1) and four connecting blocks (4), characterized in that: The upper end surface of the antenna bottom plate (1) is respectively embedded with a high-frequency antenna (2) and a low-frequency antenna (3); the four corners of the upper end surface of the antenna bottom plate (1) are fixedly provided with fixing blocks (9); the lower ends of the four connecting blocks (4) are provided with grooves (8); the upper ends of the connecting blocks (4) are fixedly provided with adhesive layers (5); both sides of the grooves (8) are provided with sliding grooves (10); both sides of the top surface of the grooves (8) are fixedly provided with rubber blocks (6); the lower ends of the two rubber blocks (6) are fixedly provided with extrusion plates (7); and both sides of the upper end surface of the fixing blocks (9) are fixedly provided with sliders (11); The antenna bottom plate (1) comprises a temperature-resistant layer (101), an adaptable layer (102) is fixedly arranged at the lower end of the temperature-resistant layer (101), a composite layer (103) is fixedly arranged at the lower end of the adaptable layer (102), a base layer (104) is fixedly arranged at the lower end of the composite layer (103), and a flexible layer (105) is fixedly arranged at the lower end of the base layer (104).

2. The multi-frequency mobile phone antenna according to claim 1, characterized in that: The two sliding blocks (11) are respectively slidably arranged inside the two sliding grooves (10), and the material used for the adhesive layer (5) is engineering glue.

3. The multi-frequency mobile phone antenna according to claim 1, characterized in that: The material used for the flexible layer (105) is polyvinyl chloride.

4. The multi-frequency mobile phone antenna according to claim 1, characterized in that: The material used for the temperature-resistant layer (101) is zirconia ceramics.

5. The multi-frequency mobile phone antenna according to claim 1, characterized in that: The material used for the adaptation layer (102) is polyaniline.

6. The multi-frequency mobile phone antenna according to claim 1, characterized in that: The material used for the composite layer (103) is a polyurethane coating.

7. The multi-frequency mobile phone antenna according to claim 1, characterized in that: The material used for the base layer (104) is a PTFE substrate.

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