CN216055145U

CN216055145U - Dual-band interphone antenna

Info

Publication number: CN216055145U
Application number: CN202121522105.5U
Authority: CN
Inventors: 中山龙太郎; 刘杰
Original assignee: Suzhou Zhongrixing Communication Co ltd
Current assignee: Suzhou Zhongrixing Communication Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-15
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a dual-band interphone antenna, which belongs to the field of antennas and comprises a shell, a connecting seat, an SMA interface and an antenna main body, wherein the SMA interface is rotatably arranged on the connecting seat, the connecting seat is fixedly connected with the shell, the antenna main body is arranged in the shell, the antenna main body comprises a first spring antenna and a second spring antenna, the pitch of the first spring antenna is smaller than that of the second spring antenna, and the first spring antenna and the second spring antenna can receive and transmit two frequency bands due to different pitches and have wider receiving bandwidth, so that an interphone can normally receive and transmit signals in a complex environment and weather.

Description

Dual-band interphone antenna

Technical Field

The utility model relates to an antenna, in particular to a dual-band interphone antenna.

Background

The interphone is a two-way mobile communication tool, can be used for communication without any network support, has no charge, is suitable for relatively fixed and frequent communication occasions, and has important influence on the communication of the interphone by the antenna of the interphone.

At present, a common antenna structure design exists for the existing 2G/3G network, but the bandwidth of the antenna is insufficient, and the requirement of the performance of the frequency band of the existing 4G and 5G full-network communication antenna cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a dual-band interphone antenna with a large receiving bandwidth and a large frequency range.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a dual band intercom antenna, includes casing, connecting seat, SMA interface and antenna main part, the SMA interface rotate install in the connecting seat, the connecting seat with casing fixed connection, antenna main part install in inside the casing, antenna main part includes first spring antenna and second spring antenna, the pitch of first spring antenna is less than the pitch of second spring antenna.

Further, the first spring antenna and the second spring antenna are integrally formed.

Further, dual-waveband intercom antenna still includes the fixed block, the fixed block is fixed in the connecting seat and with the SMA interface and the contact of antenna main part, the antenna main part passes through the fixed block with SMA interface electric connection.

Further, the connecting seat is injected on the outer surface of the fixing block.

Further, the tail end of the fixing block extends into the shell and is located in the antenna main body.

Further, dual-waveband intercom antenna still includes elastic component and screw, the fix with screw in SMA interface tip, the elastic component both ends respectively with the fixed block and the conflict messenger of screw the SMA interface floats and rotate install in the connecting seat.

Further, the elastic member is a spring.

Further, dual band intercom antenna still includes the stopper, the stopper is located screw one side, stopper detachably install in the connecting seat is convenient for the screw installation.

Compared with the prior art, the antenna main body of the dual-band interphone antenna comprises the first spring antenna and the second spring antenna, the pitch of the first spring antenna is smaller than that of the second spring antenna, the first spring antenna and the second spring antenna can receive and transmit two frequency bands due to different pitches, and have wider receiving bandwidth, so that the interphone can normally receive and transmit signals in a complex environment and in weather.

Drawings

FIG. 1 is a front view of a dual band intercom antenna of the present invention;

fig. 2 is a schematic structural diagram of the dual-band intercom antenna of fig. 1.

In the figure: 10. a connecting seat; 20. a housing; 30. an SMA interface; 40. a fixed block; 50. an antenna main body; 51. a first spring antenna; 52. a second spring antenna; 60. an elastic member; 70. a screw; 80. and (4) a plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 to 2 show a dual band interphone antenna of the present invention, which includes a connection base 10, a housing 20, an SMA interface 30, a fixing block 40, an antenna body 50, an elastic member 60, a screw 70 and a plug 80.

The connecting socket 10 is injection molded from plastic. The connecting socket 10 is provided with a mounting hole penetrating through an end of the connecting socket 10.

The end of the housing 20 is located at the other end of the connector holder 10 and is fixedly connected with the connector holder 10.

The SMA interface 30 is rotatably mounted to the mounting hole of the connector holder 10. The part of the SMA interface 30 exposed out of the connecting seat 10 is provided with threads for connection, the connection is stable, the disassembly and the assembly are convenient and quick, and the dual-band interphone antenna is convenient to install on equipment needing to be replaced at any time.

The fixing block 40 is installed in the connecting socket 10 by injection molding. The fixing block 40 is made of a conductive material. The fixed block 40 is provided with two contacts, which are located in the SMA interface 30. The tail of the fixing block 40 extends into the housing 20.

The antenna main body 50 includes a first spring antenna 51 and a second spring antenna 52. The pitch of the first spring antenna 51 is smaller than the pitch of the second spring antenna 52. One end of the first spring antenna 51 is connected to one end of the second spring antenna 52. The first spring antenna 51 and the second spring antenna 52 are integrally molded. The first spring antenna 51 and the second spring antenna 52 have different pitches, and therefore can receive and transmit two frequency bands, and have a wide reception bandwidth.

The elastic member 60 is a spring. A screw 70 is located in the mounting hole and is secured to the end of the SMA interface 30. The two ends of the elastic member 60 respectively abut against the screw 70 and the fixing block 40, so that the SMA interface 30 is in floating connection with the connection seat 10 and the SMA interface 30 can rotate relative to the connection seat 10.

The plug 80 is detachably mounted to the mounting hole of the coupling socket 10 to facilitate the mounting of the screw 70 while preventing the inflow of water and dust into the interior of the coupling socket 10.

The antenna main body 50 of the dual-band interphone antenna comprises a first spring antenna 51 and a second spring antenna 52, wherein the pitch of the first spring antenna 51 is smaller than that of the second spring antenna 52, and the first spring antenna 51 and the second spring antenna 52 can receive and transmit two frequency bands due to different pitches and have wider receiving bandwidth, so that the interphone can normally receive and transmit signals in complex environments and weather. (V section 136-; in addition, the antenna connection mode adopts an SMA type interface, so that the antenna is convenient and quick to disassemble and assemble, is stable in threaded connection, and is suitable for equipment which needs to be replaced at any time frequently.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the spirit of the utility model, and all equivalent modifications and changes can be made to the above embodiments according to the essential technology of the utility model, which falls into the protection scope of the utility model.

Claims

1. The utility model provides a dual band intercom antenna, includes the casing, its characterized in that: the dual-band interphone antenna further comprises a connecting seat, an SMA interface and an antenna main body, wherein the SMA interface is rotatably installed on the connecting seat, the connecting seat is fixedly connected with the shell, the antenna main body is installed inside the shell and comprises a first spring antenna and a second spring antenna, and the pitch of the first spring antenna is smaller than that of the second spring antenna.

2. The dual band intercom antenna of claim 1, wherein: the first spring antenna and the second spring antenna are integrally formed.

3. The dual band intercom antenna of claim 1, wherein: the dual-band interphone antenna further comprises a fixing block, the fixing block is fixed on the connecting seat and is in contact with the SMA interface and the antenna body, and the antenna body is electrically connected with the SMA interface through the fixing block.

4. The dual band interphone antenna of claim 3, characterized in that: the connecting seat is injection-molded on the outer surface of the fixing block.

5. The dual band intercom antenna of claim 4, wherein: the tail end of the fixed block extends into the shell and is positioned in the antenna main body.

6. The dual band interphone antenna of claim 3, characterized in that: the dual-band interphone antenna further comprises an elastic piece and a screw, the screw is fixed to the end portion of the SMA interface, and two ends of the elastic piece are respectively abutted to the fixed block and the screw to enable the SMA interface to float and rotatably install on the connecting seat.

7. The dual band intercom antenna of claim 6, wherein: the elastic piece is a spring.

8. The dual band intercom antenna of claim 6, wherein: the dual-band interphone antenna further comprises a plug, the plug is located on one side of the screw, and the plug is detachably mounted on the connecting seat, so that the connecting seat is convenient for mounting the screw.