Antenna device
By setting control components and antenna components in the antenna device, low-frequency bandwidth switching is achieved, and the problem of insufficient performance of miniaturized antennas in harsh environments is solved, and an antenna device with small structure and excellent performance is realized.
Patent Information
- Application Number
- CN202510680860.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2025-08-08
AI Technical Summary
Existing 4G LTE bracket antennas are difficult to meet low-frequency bandwidth and performance requirements during miniaturization, especially in harsh environments.
An antenna device is designed to provide control components and antenna components inside the housing, use control component matching circuits to achieve low frequency bandwidth, and switch frequency band states according to work needs, including structural designs such as brackets, positioning columns, battery components and control switches.
Under the premise of a compact structure, it meets the low frequency bandwidth requirements of the antenna, has good anti-interference and applicability, and is simple to produce, and is suitable for a variety of environments.
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Figure CN120453710A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of antenna technology, and in particular to an antenna device. Background Art
[0002] With the continuous development of communication technology, users have higher and higher requirements for product performance, functions and appearance. Product size is becoming smaller and smaller, and the environment inside the product is becoming more and more harsh for antennas.
[0003] Currently, the 4G LTE bracket antennas (700MHz-960MHz, 1710MHz-2170MHz, 2300MHz-2700MHz) on the market are relatively large in size to meet the low-frequency bandwidth and performance requirements of the antenna. If the appearance is reduced, the bandwidth may be insufficient, and the performance may not meet customer needs in the harsh environment inside the product.
[0004] To this end, the inventors designed a compact antenna device that meets the requirements of low-frequency bandwidth. Summary of the Invention
[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of this application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions should not be used to limit the scope of the present invention.
[0006] In view of the above problems or problems existing in the prior art, the present invention is proposed.
[0007] Therefore, the present invention aims to provide an antenna device with a compact structure. The antenna assembly, through a control component, can achieve low-frequency bandwidth through matching circuits. The device can switch to different states based on operational needs. For example, the low frequency is first adjusted to an intermediate frequency band, such as 824 MHz, as the initial state. Then, a capacitor is connected to ground in the corresponding switching circuit, shifting the waveform toward 960 MHz (this is the second state). Returning to the initial state, an inductor is connected to ground in the corresponding switching circuit, shifting the waveform toward 700 MHz (this is the third state). The device switches to the corresponding state as needed during operation.
[0008] To solve the above technical problems, the present invention provides the following technical solutions: a shell component, a control component, and an antenna component; the control component and the antenna component are arranged inside the shell, and the antenna component is arranged on the shell component, and the control component can control the antenna component to receive or output the corresponding frequency band.
[0009] As a preferred solution of the antenna device of the present invention, the antenna assembly includes a bracket and an antenna; the antenna is fitted on the bracket, the bracket is arranged on the side of the antenna assembly, and the antenna is connected to the antenna assembly.
[0010] As a preferred solution of the antenna device of the present invention, a plurality of groups of positioning posts are provided on the bracket, and the positioning posts can support and position the antenna.
[0011] As a preferred solution of the antenna device of the present invention, the antenna can be bent and arranged on the surface of the bracket.
[0012] As a preferred solution of the antenna device of the present invention, the control component includes a control board, and a control switch is provided on the control board; the antenna component achieves low frequency bandwidth through a matching circuit of the control switch on the control board.
[0013] As a preferred solution of the antenna device of the present invention, it further includes a battery assembly, which is arranged inside the housing assembly and connected to the control assembly; the battery assembly can supply power to the control assembly.
[0014] As a preferred solution of the antenna device of the present invention, the battery assembly includes a battery pack, a connector and a metal cover; the battery pack is arranged below the control assembly, the two ends of the connector are respectively connected to the battery pack and the control assembly, and the metal cover is arranged at the upper end of the battery pack, and the metal cover can fix the battery pack in the shell assembly.
[0015] As a preferred solution of the antenna device of the present invention, the control component further includes a control board and a charging interface. The control board is provided with a charging interface, and the charging interface can charge the battery assembly.
[0016] As a preferred solution of the antenna device of the present invention, wherein: the control component includes a control board, the control board is provided with an antenna spring pin, the antenna is provided with an antenna feed point, and the antenna feed point can be connected to the antenna spring pin;
[0017] The control panel is also provided with a card slot, an indicator light, and a connection slot; a memory card can be inserted into the card slot, the indicator light can display the working status, and multiple groups of connection slots can be provided on the control panel.
[0018] As a preferred solution of the antenna device of the present invention, the shell assembly includes an upper shell and a lower shell; the upper shell and the lower shell are installed by fixing parts, and an operating cavity is opened on the side of the upper shell, through which the control assembly can be operated.
[0019] The beneficial effects of the present invention are as follows: while having a compact structure, the device can also meet the low-frequency bandwidth and performance requirements of the antenna. The low-frequency bandwidth can be achieved by matching the circuit through the antenna component and the control component, and the corresponding state can be switched according to the needs during operation. The antenna area in the device is small and can have good efficiency even in an environment close to the battery. The structure is simple, easy to produce, and has good consistency. The antenna uses the PIFA form and has good anti-interference and applicability to a variety of environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort. Among them:
[0021] Figure 1 Schematic diagram of the overall antenna device.
[0022] Figure 2 Schematic diagram of the internal structure of the antenna device.
[0023] Figure 3 for Figure 2 Enlarged view of F1 of the middle antenna device.
[0024] Figure 4 This is a schematic diagram of the interior of the antenna device from another perspective.
[0025] Figure 5 for Figure 2 Enlarged view of F2 of the middle antenna device.
[0026] Figure 6 This is a schematic diagram of the antenna device in the unfolded state. DETAILED DESCRIPTION
[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0029] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.
[0030] Example 1
[0031] Reference Figures 1 to 3, which is the first embodiment of the present invention, provides an antenna device, which includes a shell component 1, a control component 2, and an antenna component 3; by arranging the control component 2 and the antenna component 3 inside the shell component 1, the antenna component 3 can be controlled by the control component 2 to achieve low-frequency bandwidth.
[0032] Specifically, it includes a shell component 1, a control component 2, and an antenna component 3; the control component 2 and the antenna component 3 are arranged inside the shell, and the antenna component 3 is arranged on the shell component 1. The control component 2 can control the antenna component 3 to receive or output the corresponding frequency band.
[0033] In summary, the present invention boasts a compact structure. Antenna assembly 3, through control assembly 2, can achieve low-frequency bandwidth through matching circuitry. The antenna assembly 3 can then switch to the appropriate state based on operational needs. For example, the low frequency is first adjusted to an intermediate frequency band, such as 824 MHz, as the initial state. Then, a capacitor is connected to ground in the corresponding switching circuit, shifting the waveform toward 960 MHz (this is the second state). Returning to the initial state, an inductor is connected to ground in the corresponding switching circuit, shifting the waveform toward 700 MHz (this is the third state). The device switches to the appropriate state based on operational needs.
[0034] Example 2
[0035] Reference Figures 1 to 6 , which is the second embodiment of the present invention. In the previous embodiment, the antenna device includes a shell component 1, a control component 2, and an antenna component 3; by arranging the control component 2 and the antenna component 3 inside the shell component 1, the antenna component 3 can be controlled by the control component 2 to achieve low-frequency bandwidth.
[0036] Specifically, it includes a shell component 1, a control component 2, and an antenna component 3; the control component 2 and the antenna component 3 are arranged inside the shell, and the antenna component 3 is arranged on the shell component 1. The control component 2 can control the antenna component 3 to receive or output the corresponding frequency band.
[0037] Furthermore, the antenna assembly 3 includes a bracket 31 and an antenna 32 ; the antenna 32 is fitted on the bracket 31 , the bracket 31 is arranged on the side of the antenna assembly 3 , and the antenna 32 is connected to the antenna assembly 3 .
[0038] Preferably, by arranging the antenna 32 on the bracket 31 , the antenna 32 can be folded and attached to the surface of the bracket 31 .
[0039] Furthermore, a plurality of positioning posts 33 are provided on the bracket 31 , and the positioning posts 33 can support and position the antenna 32 .
[0040] Preferably, the antenna 32 can be positioned by providing multiple groups of positioning posts 33 to prevent the antenna 32 from falling off.
[0041] Furthermore, the antenna 32 can be bent and disposed on the surface of the bracket 31 .
[0042] Preferably, the bracket 31 is provided on a side of the control panel 21 , and the control panel 21 is fixedly connected to the bracket 31 via bolts or pins.
[0043] Furthermore, the control component 2 includes a control board 21 , on which a control switch 22 is provided; the antenna component 3 achieves low-frequency bandwidth through a matching circuit of the control switch 22 on the control board 21 .
[0044] Preferably, a control switch 22 is provided on the control board 21 , and the corresponding circuit is matched by pressing the control switch 22 .
[0045] A better approach is to first adjust the low frequency to a mid-range frequency, such as 824MHz, and set it as the initial state. Then, by connecting a capacitor to ground in the corresponding switching circuit, the waveform will shift toward 960MHz (this is the second state). Returning to the initial state, by connecting an inductor to ground in the corresponding switching circuit, the waveform will shift toward 700MHz (this is the third state). The machine will switch to the appropriate state as needed during operation.
[0046] Furthermore, it also includes a battery assembly 4, which is arranged inside the shell assembly 1 and connected to the control assembly 2; the battery assembly 4 can supply power to the control assembly 2.
[0047] Furthermore, the battery assembly 4 includes a battery pack 41, a connector 42 and a metal cover 43; the battery pack 41 is arranged below the control assembly 2, the two ends of the connector 42 are respectively connected to the battery pack 41 and the control assembly 2, and the metal cover 43 is arranged at the upper end of the battery pack 41. The metal cover 43 can fix the battery pack 41 in the shell assembly 1.
[0048] Preferably, the battery pack 41 can be fixed inside the housing assembly 1 by the metal cover 43 to prevent the battery pack 41 from shaking.
[0049] Preferably, the control board 21 is connected to the battery pack 41 via a connector 42 .
[0050] Furthermore, the control assembly 2 also includes a control board 21 and a charging interface 23 . The control board 21 is provided with the charging interface 23 , and the charging interface 23 can charge the battery assembly 4 .
[0051] Preferably, the battery assembly 4 can be charged through the charging interface 23, and the control board 21 is the main board of the machine.
[0052] Furthermore, the control assembly 2 includes a control board 21, on which an antenna spring pin is provided, and an antenna feed point 34 is provided on the antenna 32, and the antenna feed point 34 can be connected to the antenna spring pin;
[0053] Preferably, by providing an antenna spring foot, the antenna feed point 34 of the wire 32 is easily inserted and connected to the control board 21 .
[0054] The control board 21 is also provided with a card slot 25 , an indicator light 26 , and a connection slot 27 ; a memory card can be inserted into the card slot 25 , the indicator light 26 can display the working status, and multiple groups of connection slots 27 can be provided on the control board 21 .
[0055] Preferably, by providing multiple groups of connection slots 27, they can be used as reserved interfaces to facilitate connection with other connected components.
[0056] Preferably, a memory card is placed in the card slot 25 to facilitate data storage and import and other related uses; of course, the card slot 25 can also be designed as a SIM card slot as needed.
[0057] Furthermore, the housing assembly 1 includes an upper housing 11 and a lower housing 12 ; the upper housing 11 and the lower housing 12 are mounted via fixings, and an operating cavity 13 is provided on the side of the upper housing 11 , through which the control assembly 2 can be operated.
[0058] Preferably, the fixing member can be a bolt or a screw, or other installation methods.
[0059] In summary, this device can meet the low-frequency bandwidth and performance requirements of the antenna while having a compact structure. The low-frequency bandwidth can be achieved by matching the circuit through the antenna component 3 and the control component 2, and the corresponding state can be switched according to the needs during operation. The antenna area in this device is small and can have good efficiency even in an environment close to the battery. The structure is simple, easy to produce, and has good consistency. The antenna uses the PIFA form and has good anti-interference and applicability to various environments.
[0060] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structures. Other replacements, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0061] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (i.e., those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.
[0062] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.
[0063] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.
Claims
1. An antenna device, characterized in that: The invention comprises a housing component (1), a control component (2), and an antenna component (3); the control component (2) and the antenna component (3) are arranged inside the housing, the antenna component (3) is arranged on the housing component (1), and the control component (2) can control the antenna component (3) to receive or output a corresponding frequency band.
2. The antenna device according to claim 1, wherein: The antenna assembly (3) comprises a bracket (31) and an antenna (32); the antenna (32) is arranged on the bracket (31), the bracket (31) is arranged on the side of the antenna assembly (3), and the antenna (32) is connected to the antenna assembly (3).
3. The antenna device according to claim 2, wherein: The bracket (31) is provided with a plurality of groups of positioning columns (33), and the positioning columns (33) can support and position the antenna (32).
4. The antenna device according to claim 3, wherein: The antenna (32) can be bent and arranged on the surface of the bracket (31).
5. The antenna device according to claim 1, wherein: The control component (2) includes a control board (21), and a control switch (22) is provided on the control board (21); the antenna component (3) realizes a low frequency bandwidth through a matching circuit of the control switch (22) on the control board (21).
6. The antenna device according to claim 1, wherein: It also includes a battery assembly (4), which is arranged inside the housing assembly (1) and connected to the control assembly (2); the battery assembly (4) can supply power to the control assembly (2).
7. The antenna device according to claim 6, wherein: The battery assembly (4) comprises a battery pack (41), a connector (42) and a metal cover (43); the battery pack (41) is arranged below the control assembly (2); the two ends of the connector (42) are respectively connected to the battery pack (41) and the control assembly (2); the metal cover (43) is arranged at the upper end of the battery pack (41); and the metal cover (43) can fix the battery pack (41) in the housing assembly (1).
8. The antenna device according to claim 6, wherein: The control assembly (2) further comprises a control panel (21) and a charging interface (23). The control panel (21) is provided with a charging interface (23), and the charging interface (23) can charge the battery assembly (4).
9. The antenna device according to claim 3, wherein: The control assembly (2) includes a control board (21), an antenna spring pin is provided on the control board (21), an antenna feed point (34) is provided on the antenna (32), and the antenna feed point (34) can be connected to the antenna spring pin; The control panel (21) is further provided with a card slot (25), an indicator light (26), and a connection slot (27); a memory card can be inserted into the card slot (25), the indicator light (26) can display the working status, and a plurality of groups of connection slots (27) can be provided on the control panel (21).
10. The antenna device according to any one of claims 1 to 9, wherein: The housing assembly (1) comprises an upper housing (11) and a lower housing (12); the upper housing (11) and the lower housing (12) are mounted via fixing members, and an operating cavity (13) is provided on a side of the upper housing (11), through which the control assembly (2) can be operated.