Antenna capable of adjusting frequency band
By setting a breaking part and an indicating mechanism on the top of the printed circuit board antenna body, the problem of the unadjustable frequency band of the printed circuit board antenna is solved, and flexible adjustment of the frequency band and convenient detection of frequency matching are achieved.
Patent Information
- Application Number
- CN202422899282.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing printed circuit board antennas have a fixed length and cannot be cut to change the frequency band, resulting in an unadjustable frequency.
An adjustment mechanism is set at the top of the printed circuit board antenna body, including a breaking part and an indicating mechanism. The physical length of the antenna body is changed by the breaking part to adjust the frequency band, and the frequency band is detected by connecting it to an external device through a connecting mechanism.
The flexible adjustment of the frequency band of the printed circuit board antenna is achieved, the applicability and operation convenience are improved, and the flexibility of frequency matching and the convenience of detection are enhanced.
Smart Images
Figure CN223401881U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printed circuit board antennas, in particular to an antenna with adjustable frequency band. Background Art
[0002] PCB antenna, also known as printed circuit board antenna, is a type of antenna in which the antenna is printed directly on a printed circuit board.
[0003] PCB antennas are mostly composed of a PCB and connecting wires, with a simple structure. The frequency of the PCB antenna determines the signal range it can send and receive, and the frequency is related to the physical size of the PCB antenna. Lower frequencies require longer antenna lengths.
[0004] However, the length of current printed circuit board antennas is mostly fixed, and it is impossible to change the antenna frequency band directly by cutting the printed circuit board antenna. Therefore, we propose an antenna with adjustable frequency band. Utility Model Content
[0005] The purpose of the present invention is to provide an antenna with adjustable frequency band to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an antenna with adjustable frequency band, comprising:
[0007] A printed circuit board antenna body, wherein a connection mechanism is provided on the top of the printed circuit board antenna body;
[0008] An adjustment mechanism is provided at the top of the printed circuit board antenna body, the adjustment mechanism includes a breaking portion, the breaking portion is spaced apart at the top of the printed circuit board antenna body, the printed circuit board antenna body can adjust the frequency band through the breaking portion, and an indicating mechanism is provided at the top of the printed circuit board antenna body.
[0009] Preferably, the indicating mechanism includes an indicating portion, which is spaced apart and arranged at the top end of the antenna body of the printed circuit board, and the indicating portion and the breaking portion are staggered.
[0010] Preferably, the display words of the indicator part are 710, 730, 750, 770, 810, 850, 910, 950, 1010, 1030, 1050, and 1080 respectively.
[0011] Preferably, the connecting mechanism includes a connecting wire, a fixing mechanism is provided between the connecting wire and the printed circuit board antenna body, and a docking mechanism is provided at one end of the connecting wire away from the printed circuit board antenna body.
[0012] Preferably, the fixing mechanism includes a welding portion, and the welding portion is arranged between the connecting wire and the printed circuit board antenna body.
[0013] Preferably, the docking mechanism includes a connector, which is arranged at an end of the connecting line away from the printed circuit board antenna body, and the connector is used to connect the printed circuit board antenna body with an external network analyzer.
[0014] Technical effects and advantages of this utility model:
[0015] The utility model utilizes the setting of a breaking portion, which is processed on the top of the printed circuit board antenna plate body by a dotted line roller, so that the printed circuit board antenna plate body can be easily broken at the position of the breaking portion, thereby changing the physical use length of the printed circuit board antenna plate body, and thus changing the use frequency band of the printed circuit board antenna plate body, thereby improving the applicability of the printed circuit board antenna and the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0017] Figure 2 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point A.
[0018] In the figure: 101, printed circuit board antenna body; 201, breaking part; 301, connecting wire; 401, connector; 501, welding part; 601, indicating part. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] The utility model provides Figure 1-Figure 2 The antenna shown here has an adjustable frequency band, including a printed circuit board antenna body 101 and an adjustment mechanism. A connection mechanism is provided at the top of the printed circuit board antenna body 101, which connects the printed circuit board antenna body 101 to an external network analyzer to measure and analyze the network parameters of the printed circuit board antenna body 101.
[0021] In a preferred embodiment, the adjustment mechanism is provided at the top of the printed circuit board antenna body 101, and the adjustment mechanism includes a breaking portion 201, which is spaced apart at the top of the printed circuit board antenna body 101. The printed circuit board antenna body 101 can adjust the frequency band through the breaking portion 201. The top of the printed circuit board antenna body 101 is provided with an indicating mechanism, and the breaking portion 201 is processed on the top of the printed circuit board antenna body 101 by a dotted line hob. The setting of the breaking portion 201 makes it convenient to break the printed circuit board antenna body 101 at the position of the breaking portion 201, thereby changing the printed circuit board antenna body 101. 1, the usable frequency band of the printed circuit board antenna body 101 can be changed, thereby improving the applicability and convenience of operation of the printed circuit board antenna. Through the breaking portion 201, the user can conveniently break the printed circuit board antenna body 101 to change the physical usable length of the printed circuit board antenna body 101, thereby adjusting the resonant frequency of the printed circuit board antenna body 101. The resonant frequency is the frequency at which the printed circuit board antenna can effectively radiate or receive radio waves. When the physical usable length of the printed circuit board antenna body 101 matches the wavelength of the required frequency band, the printed circuit board antenna can effectively operate within the corresponding frequency band.
[0022] Among them, the indicating mechanism includes an indicating portion 601, which is arranged at intervals at the top of the printed circuit board antenna body 101. The indicating portion 601 and the breaking portion 201 are staggered. The display words of the indicating portion 601 are 710, 730, 750, 770, 810, 850, 910, 950, 1010, 1030, 1050, and 1080 respectively. In this embodiment, the number of the breaking portions 201 is 11, so that the operating frequency band of the printed circuit board antenna body 101 is 12. When the printed circuit board antenna body 101 is in a complete state, the operating frequency band of the printed circuit board antenna body 101 is 710. When the breaking portion 201 on the side (located between 710 and 730) is broken, the frequency band of the printed circuit board antenna body 101 is 710. After a part of the printed circuit board antenna body 101 is broken off by the breaking part 201) located between 730 and 750, the operating frequency band of the printed circuit board antenna body 101 is changed to 750. After a part of the printed circuit board antenna body 101 is broken off by the breaking part 201 located between 750 and 770, the operating frequency band of the printed circuit board antenna body 101 is changed to 770. After a part of the printed circuit board antenna body 101 is broken off by the breaking part 201 located between 770 and 810, the operating frequency band of the printed circuit board antenna body 101 is changed to 770. The frequency band is changed to 810, and a part of the printed circuit board antenna body 101 is broken off by the breaking part 201 located between 810 and 850. At this time, the frequency band of the printed circuit board antenna body 101 is changed to 850. After the part of the printed circuit board antenna body 101 is broken off by the breaking part 201 located between 850 and 910, the frequency band of the printed circuit board antenna body 101 is changed to 910. After the part of the printed circuit board antenna body 101 is broken off by the breaking part 201 located between 910 and 950, the frequency band of the printed circuit board antenna body 101 is changed to 950. After the part of the printed circuit board antenna body 101 is broken off by the breaking part 201 located between 950 and 1010, the frequency band of the printed circuit board antenna body 101 is changed to 950. After the line board body 101, the operating frequency band of the printed circuit board antenna board body 101 is changed to 1010. After a part of the printed circuit board antenna board body 101 is broken off by the breaking part 201 located between 1010 and 1030, the operating frequency band of the printed circuit board antenna board body 101 is changed to 1030. After a part of the printed circuit board antenna board body 101 is broken off by the breaking part 201 located between 1030 and 1050, the operating frequency band of the printed circuit board antenna board body 101 is changed to 1050. After a part of the printed circuit board antenna board body 101 is broken off by the breaking part 201 located between 1050 and 1080, the operating frequency band of the printed circuit board antenna board body 101 is changed to 1080.
[0023] Among them, the connecting mechanism includes a connecting wire 301, a fixing mechanism is provided between the connecting wire 301 and the printed circuit board antenna body 101, and a docking mechanism is provided at the end of the connecting wire 301 away from the printed circuit board antenna body 101. The connecting wire 301 facilitates the connection of the printed circuit board antenna body 101 with external equipment for use. By inserting the connector 401 into the interface of the network analyzer, the network analyzer can be used to detect the operating frequency band of the printed circuit board antenna body 101. The position of each breaking part 201 and the frequency band detection after breaking are displayed accordingly by the indicator mechanism, making the printed circuit board antenna faster and more convenient to use.
[0024] Among them, the fixing mechanism includes a welding part 501, which is arranged between the connecting wire 301 and the printed circuit board antenna body 101. The connecting wire 301 and the printed circuit board antenna body 101 are fixed together through the welding part 501, thereby improving the stability of the printed circuit board antenna.
[0025] Among them, the docking mechanism includes a connector 401, which is arranged at the end of the connecting line 301 away from the printed circuit board antenna body 101. The connector 401 is used to connect the printed circuit board antenna body 101 with the external network analyzer. The connector 401 is inserted into the interface of the external device. The connector 401 is fixed in the interface of the external device through friction, so that the printed circuit board antenna can be used stably, thereby improving the stability of the printed circuit board antenna.
[0026] 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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. An antenna with adjustable frequency band, characterized in that: include: A printed circuit board antenna body (101), wherein a connection mechanism is provided at the top end of the printed circuit board antenna body (101); An adjustment mechanism is provided at the top end of a printed circuit board antenna body (101), the adjustment mechanism comprises a breaking portion (201), the breaking portion (201) is arranged at intervals at the top end of the printed circuit board antenna body (101), the printed circuit board antenna body (101) can adjust a frequency band through the breaking portion (201), and an indication mechanism is provided at the top end of the printed circuit board antenna body (101).
2. The frequency-adjustable antenna according to claim 1, wherein: The indicating mechanism comprises an indicating portion (601), the indicating portion (601) being arranged at intervals on the top end of the printed circuit board antenna body (101), and the indicating portion (601) and the breaking portion (201) being arranged in a staggered manner.
3. The frequency-adjustable antenna according to claim 2, wherein: The display words of the indicator part (601) are 710, 730, 750, 770, 810, 850, 910, 950, 1010, 1030, 1050, and 1080 respectively.
4. The antenna with adjustable frequency band according to claim 1, characterized in that: The connecting mechanism comprises a connecting wire (301), a fixing mechanism is provided between the connecting wire (301) and the printed circuit board antenna body (101), and a docking mechanism is provided at one end of the connecting wire (301) away from the printed circuit board antenna body (101).
5. The antenna with adjustable frequency band according to claim 4, characterized in that: The fixing mechanism comprises a welding portion (501), and the welding portion (501) is arranged between the connecting line (301) and the printed circuit board antenna body (101).
6. The antenna with adjustable frequency band according to claim 4, characterized in that: The docking mechanism comprises a connector (401), the connector (401) being arranged at an end of the connecting line (301) away from the printed circuit board antenna body (101), and the connector (401) being used to connect the printed circuit board antenna body (101) to an external network analyzer.