Light circularly polarized antenna

Abstract

The utility model provides a light circularly polarized antenna, including an upper shell, a lower cover and an antenna oscillator, the upper end of the upper shell is a hollow cylindrical structure, the lower end of the upper shell is a frustum-shaped structure, the lower cover covers the end portion of the lower end of the upper shell, and one end of the lower cover far away from the upper shell is provided with a plurality of magnets. The antenna oscillator comprises a PCB (Printed Circuit Board) and an FPC (Flexible Printed Circuit) board electrically connected with the PCB, the FPC board is arranged at the upper end of the upper shell, and the PCB is arranged at the lower end of the upper shell. According to the utility model, the structure is simple, the weight of the antenna is greatly reduced by adopting the FPC antenna oscillator, the use requirement is ensured, and the installation and fixation of the antenna can be facilitated by arranging the magnet on the lower cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of outdoor antenna, especially a light circularly polarized antenna. BACKGROUND

[0002] The existing circularly polarized antenna on the market basically uses the design of ceramic vibrator antenna, and the ceramic antenna has the defects of heavy weight, and is not applicable to some specific products (such as unmanned aerial vehicles and the like), which will increase the overall weight of the product and affect the endurance of the product. SUMMARY

[0003] In order to solve the problem of heavy weight of the ceramic vibrator circularly polarized antenna in the prior art, the utility model provides a light circularly polarized antenna which is light in weight and convenient to fix.

[0004] The utility model provides a light circularly polarized antenna, including upper shell, lower cover and antenna vibrator, the upper shell upper end is hollow cylindrical structure, lower end is frustum structure, the lower cover covers the upper shell lower end end, the lower cover away from the one end of upper shell is equipped with a plurality of magnet, the antenna vibrator includes PCB board and with FPC board of PCB board electric connection, the FPC board places in the upper shell upper end, the PCB board places in the upper shell lower end.

[0005] As a further improvement of the utility model, the light circularly polarized antenna further includes a connector, the connector is arranged on one side of the lower end of the upper shell, and the PCB board is electrically connected with the connector.

[0006] As a further improvement of the utility model, a sealing ring is further arranged at the connection between the upper shell and the lower cover.

[0007] As a further improvement of the utility model, a fixing portion is further arranged on the inner wall of the lower end of the upper shell, and the PCB board is fixed on the fixing portion by screws.

[0008] As a further improvement of the utility model, a plurality of avoiding grooves are arranged on the side of the lower cover close to the upper shell.

[0009] As a further improvement of the utility model, a shielding cover is arranged at the connection between the PCB board and the connector.

[0010] The utility model has the advantages of simple structure, greatly reduced antenna weight by using FPC antenna vibrator, guaranteed use requirement, and convenient installation and fixation of the antenna by arranging magnets on the lower cover. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structure schematic view of the light circularly polarized antenna of the utility model.

[0012] Marked: 1 - upper shell; 2 - lower cover; 3 - connector; 4 - PCB board; 5 - FPC board; 6 - magnet; 7 - sealing ring; 8 - avoiding groove. DETAILED DESCRIPTION

[0013] In the description of the utility model, it needs to be understood that if there is a description of orientation, for example, the orientation or position relationship indicated by the upper, lower, front, rear, left, right and the like, the orientation description can be based on the orientation or position relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation on the utility model.

[0014] In the description of the utility model, if there is a description of quantity, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than and the like are not included in the number, above, below, within and the like are included in the number. If there is a description of the first, the second is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0015] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0016] As shown in Figure 1 The utility model discloses a light circularly polarized antenna, including upper shell 1, lower cover 2 and antenna oscillator, the upper shell 1 upper end is hollow cylindrical structure, lower end is frustum structure, the lower cover 2 is covered in the upper shell 1 lower end end, the lower cover 2 is away from the one end of upper shell 1 is equipped with a plurality of magnet 6, the antenna oscillator includes PCB board 4 and with FPC board 5 of PCB board 4 electric connection, the FPC board 5 is placed in the upper shell 1 upper end, the PCB board 4 is placed in the upper shell 1 lower end.

[0017] The FPC board 5 is used as the oscillator of the antenna on the PCB board 4, the FPC is light and convenient, can replace the traditional ceramic oscillator, greatly reduces the antenna weight, the lower cover 2 bottom is equipped with a plurality of magnet 6, so it can make the antenna install on any metal object, and the fixing is convenient and fast.

[0018] In the utility model, the light circularly polarized antenna further includes a connector 3, the connector 3 is arranged on one side of the lower end of the upper shell 1, the PCB board 4 is electrically connected with the connector 3, and the connector 3 is used for transmitting the antenna signal.

[0019] The utility model discloses, the connecting place between upper shell 1 and lower cover 2 is equipped with sealing ring 7 still, is used for improving the overall waterproof property of antenna, guarantees when using outdoors, will not appear the case of water inlet.

[0020] The utility model discloses, upper shell 1 lower end inner wall is equipped with fixed part still, PCB board 4 is fixed on fixed part through screw, and convenient installation and fixation.

[0021] The utility model discloses, lower cover 2 is equipped with a plurality of avoidance recess 8 on the side of upper shell 1, can avoid the component module on PCB board 4, still can further reduce antenna weight.

[0022] The utility model discloses, PCB board 4 with connector 3 connecting place is equipped with shielded case, prevents external signal interference.

[0023] The utility model discloses simple structure, through adopting FPC antenna oscillator to reduce antenna weight greatly, guarantees use demand, and through setting up magnet 6 on lower cover 2, can conveniently install and fix antenna.

[0024] The above content is further detailed description of the utility model made in combination with specific preferred implementation mode, and the specific implementation of the utility model can not be limited to these descriptions. For ordinary skilled person in the art to which the utility model belongs, on the premise of not departing from the concept of the utility model, can make a number of simple deductions or substitutions, all should be regarded as belonging to the protection scope of the utility model.

Claims

1. A light weight circularly polarized antenna, characterized by: The light circularly polarized antenna comprises an upper shell, a lower cover and an antenna oscillator, the upper end of the upper shell is a hollow cylindrical structure, the lower end of the upper shell is a frustum structure, the lower cover covers the end of the lower end of the upper shell, a plurality of magnets are arranged on the end of the lower cover away from the upper shell, the antenna oscillator comprises a PCB board and an FPC board electrically connected with the PCB board, the FPC board is arranged on the upper end of the upper shell, and the PCB board is arranged on the lower end of the upper shell.

2. The light weight circularly polarized antenna of claim 1, wherein: The light circularly polarized antenna further comprises a connector arranged on one side of the lower end of the upper shell, and the PCB board is electrically connected with the connector.

3. The light weight circularly polarized antenna of claim 1, wherein: A sealing ring is further arranged at the connection between the upper shell and the lower cover.

4. The light weight circularly polarized antenna of claim 1, wherein: An inner wall of the lower end of the upper shell is further provided with a fixing part, and the PCB board is fixed on the fixing part through screws.

5. The light weight circularly polarized antenna of claim 1, wherein: A plurality of avoiding grooves are arranged on the side of the lower cover close to the upper shell.

6. The light weight circularly polarized antenna of claim 2, wherein: A shielding cover is arranged at the connection between the PCB board and the connector.

Images