CN211791484U

CN211791484U - Portable SDR radio receiver

Info

Publication number: CN211791484U
Application number: CN202020376401.8U
Authority: CN
Inventors: 秦强
Original assignee: Shenzhen Fushicai Electronic Technology Co ltd
Current assignee: Shenzhen Fushicai Electronic Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-10-27
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a portable SDR radio receiver, which comprises a mainboard, an inner plate, a shell and an antenna, wherein one end of the mainboard is provided with an interface, the inner plate is covered on one end surface adjacent to the interface, the inner plate is provided with a lug, the lug is far away from the mainboard, the top of the shell is provided with a first through hole, the mainboard and the inner plate are arranged inside the shell, the lug extends out of the first through hole, the lug slides in the first through hole, the interface slides along with the lug to enter and exit the shell, and one end of the mainboard, which is far away from the inner plate, is provided with an; a second through hole and an accommodating cavity are respectively formed in two adjacent side walls of the shell, when the interface extends out of the shell, the antenna seat corresponds to the second through hole, and the interface and the accommodating cavity are coplanar; the antenna comprises a joint and a radiating body, wherein the joint is in threaded connection with the antenna base, and the radiating body is contained in the containing cavity. The utility model provides a portable SDR radio receiver need not to consider the selection of antenna, convenient to use.

Description

Portable SDR radio receiver

Technical Field

The utility model relates to a TV signal reception instrument technical field especially relates to a portable SDR radio receiver.

Background

With the increasing abundance of network video content, the demand for television networking has become increasingly popular. Since many digital tvs in a home do not have a built-in networking function, an additional tv signal receiving tool is required to connect to a network so that a user can view video contents provided by the network through the tv.

A common television signal receiving tool in the market today is an SDR radio receiver (similar to the traditional usb disk structure), commonly called a tv stick. An SDR is a radio that utilizes software radio technology to manipulate, control, and manage wireless communications using traditional "hardware-only circuits. The important value of software radio technology is: the traditional hardware radio communication device is only used as a basic platform for wireless communication, and a plurality of communication functions are realized by software, so that the situation that the realization of the communication functions of the device is only dependent on hardware development in history is broken.

However, conventional SDR radio receivers require the use of an external antenna in order to enhance signal strength. The wide variety of external antennas is extremely annoying to users who do not know the product. Moreover, the external antenna structure cannot be bound with a product for carrying.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable SDR radio receiver need not to consider the selection of antenna, convenient to use.

The utility model discloses a technical scheme that portable SDR radio receiver adopted is:

a portable SDR radio receiver comprises a mainboard, an inner plate, a shell and an antenna, wherein one end of the mainboard is provided with an interface, the inner plate is covered on one end surface adjacent to the interface, the inner plate is provided with a lug, the lug is far away from the mainboard, the top of the shell is provided with a first through hole, the mainboard and the inner plate are arranged in the shell, the lug extends out of the first through hole, the lug slides in the first through hole, the interface slides in and out of the shell along with the lug, and one end of the mainboard, far away from the inner plate, is provided with an antenna base; a second through hole and an accommodating cavity are respectively formed in two adjacent side walls of the shell, when the interface extends out of the shell, the antenna seat corresponds to the second through hole, and the interface and the accommodating cavity are coplanar; the antenna comprises a joint and a radiating body, wherein the joint is in threaded connection with the antenna base, and the radiating body is contained in the containing cavity.

Preferably, the inner plate further comprises a push plate, the main plate and the push plate are arranged on the uniform end face of the inner plate, the push plate is parallel to the antenna base, and the push plate abuts against the end of the radiator.

Preferably, the inner plate further comprises a side plate, the main plate and the side plate are arranged on the uniform end face of the inner plate, the side plate is perpendicular to the push plate, and the side plate is in sliding contact with the shell.

As a preferred scheme, the antenna pedestal is an elbow horizontal SMA antenna pedestal.

Preferably, the joint is rotatably connected to the radiator.

The utility model discloses a portable SDR radio receiver's beneficial effect is: one end of the main board is provided with an interface, and the inner board cover is arranged on one end surface adjacent to the interface. The inner plate is provided with a bump, and the bump is far away from the main board. The top of the shell is provided with a first through hole, the main board and the inner board are arranged inside the shell, and the bump extends out of the first through hole. The lug slides in the first through hole, and the interface slides in and out of the shell along with the lug to form a sliding push-out interface structure. An antenna seat is arranged at one end of the main board far away from the inner plate. The adjacent both sides wall of casing has seted up second through-hole and holding chamber respectively, and when the interface extends the casing, the antenna pedestal corresponds the second through-hole, and interface and holding chamber notch coplane. The antenna comprises a joint and a radiating body, wherein the joint is in threaded connection with the antenna base, and the radiating body is accommodated in the accommodating cavity. When the antenna is used, the convex block is pushed, so that the interface extends out of the shell, and the antenna seat on the side correspondingly slides to the position opposite to the second through hole. Correspondingly taking out the matched antenna placed in the accommodating cavity, and connecting the joint with the antenna base through threads to enhance the radiation signal. When the radiator is used, the connector is taken down, and the radiator is correspondingly plugged into the accommodating cavity, so that the radiator is convenient for a user to carry and is relatively convenient to use.

Drawings

Fig. 1 is a schematic diagram of the structure of a portable SDR radio receiver of the present invention;

fig. 2 is a schematic diagram of the internal structure of the portable SDR radio receiver of the present invention (the internal plate structure of the top of the antenna base is cut away).

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1 and 2, a portable SDR radio receiver operating in the frequency range of 100KHZ to 2200MHZ includes a main board 10, an internal board 20, a housing 30 and an antenna 40.

The product in the present example can receive high-definition DVB-T mobile digital television, FM analog broadcast and DAB digital broadcast.

One end of the main board 10 is provided with an interface 11, and in this example, the interface 11 is designed as a USB interface. The inner plate 20 is covered on one end face adjacent to the interface 11. The inner plate 20 is provided with a bump 21, and the bump 21 is far away from the main plate 10. The top of the housing 30 is provided with a first through hole 31, the main board 10 and the inner board 20 are disposed inside the housing 30, and the bump 21 extends out of the first through hole 31. The protrusion 21 slides in the first through hole 31, and the port 11 slides in and out of the housing 30 along with the protrusion 21, so as to form a structure for sliding out the port 11. The end of the main board 10 away from the inner board 20 is provided with an antenna base 12, and in this case, the antenna base 12 is designed with an RF interface. Two adjacent side walls of the housing 30 are respectively provided with a second through hole 32 and an accommodating cavity 33, when the interface 11 extends from the housing 30, the antenna base 12 corresponds to the second through hole 32, and the notch of the interface 11 and the accommodating cavity 33 are coplanar. The antenna 40 includes a connector 41 and a radiator 42, the connector 41 is screwed to the antenna base 12, and the radiator 42 is accommodated in the accommodating cavity 33.

When in use, the bump 21 is pushed to extend the interface 11 out of the housing 30, and the antenna base 12 on the side correspondingly slides to a position opposite to the second through hole 32. The matching antenna 40 placed inside the receiving cavity 33 is correspondingly taken out, so that the connector 41 is screwed to the antenna base 12 to enhance the radiation signal. When the use is finished, the connector 41 is taken down, and the radiator 42 is correspondingly plugged into the accommodating cavity 33, so that the carrying of a user is facilitated, and the use is relatively convenient.

Preferably, the inner board 20 further includes a push plate 22, the main board 10 and the push plate 22 are disposed on a uniform end surface of the inner board 20, the push plate 22 is parallel to the antenna base 12, and the push plate 22 contacts the end of the radiator 42. When the pushing projection 21 is pushed out of the interface 11, the radiator 42 is pushed out together. Facilitating the user's removal of antenna 40.

Preferably, the inner plate 20 further includes a side plate 23, the main plate 10 and the side plate 23 are disposed on a uniform end surface of the inner plate 20, the side plate 23 is perpendicular to the push plate 22, and the side plate 23 is in sliding contact with the housing 30. When the lug 21 is pushed to withdraw the interface 11, the transverse side plate 23 covers the second through hole 32 to prevent dust from entering the inside of the connector and influencing the connection relationship of the electric appliance.

In this example, the antenna mount 12 is an elbow horizontal SMA antenna mount 12. At the same time, the connector 41 and the radiator 42 are rotatably connected. So that the radiator 42 is rotated to adjust the corresponding signal source.

In order to meet the market demand, one side of the main board 10 away from the antenna pedestal 12 can also expand any one or more of various interfaces such as MCX, IEC, SMA and the like for the selection of customers; and the special receiving frequency band can be customized for special customer groups through SDR special software embedded in the mainboard 10.

The utility model provides a portable SDR radio receiver, mainboard one end are equipped with the interface, and the inner panel lid is located on the adjacent terminal surface of interface. The inner plate is provided with a bump, and the bump is far away from the main board. The top of the shell is provided with a first through hole, the main board and the inner board are arranged inside the shell, and the bump extends out of the first through hole. The lug slides in the first through hole, and the interface slides in and out of the shell along with the lug to form a sliding push-out interface structure. An antenna seat is arranged at one end of the main board far away from the inner plate. The adjacent both sides wall of casing has seted up second through-hole and holding chamber respectively, and when the interface extends the casing, the antenna pedestal corresponds the second through-hole, and interface and holding chamber notch coplane. The antenna comprises a joint and a radiating body, wherein the joint is in threaded connection with the antenna base, and the radiating body is accommodated in the accommodating cavity. When the antenna is used, the convex block is pushed, so that the interface extends out of the shell, and the antenna seat on the side correspondingly slides to the position opposite to the second through hole. Correspondingly taking out the matched antenna placed in the accommodating cavity, and connecting the joint with the antenna base through threads to enhance the radiation signal. When the radiator is used, the connector is taken down, and the radiator is correspondingly plugged into the accommodating cavity, so that the radiator is convenient for a user to carry and is relatively convenient to use.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A portable SDR radio receiver comprises a mainboard, an inner plate and a shell, wherein one end of the mainboard is provided with an interface, the inner plate is covered on one end surface adjacent to the interface, the inner plate is provided with a lug, the lug is far away from the mainboard, the top of the shell is provided with a first through hole, the mainboard and the inner plate are arranged in the shell, the lug extends out of the first through hole, the lug slides in the first through hole, and the interface slides with the lug to enter and exit the shell;

a second through hole and an accommodating cavity are respectively formed in two adjacent side walls of the shell, when the interface extends out of the shell, the antenna seat corresponds to the second through hole, and the interface and the accommodating cavity are coplanar;

the antenna comprises a connector and a radiating body, the connector is connected to the antenna seat in a threaded mode, and the radiating body is contained in the containing cavity.

2. The portable SDR radio receiver in claim 1, wherein the inner plate further comprises a push plate, the motherboard and the push plate being disposed on a uniform end surface of the inner plate, the push plate being parallel to the antenna mount, the push plate abutting the radiator end.

3. The portable SDR radio receiver of claim 2, wherein the inner panel further comprises side panels, the main panel and the side panels being disposed on a uniform end surface of the inner panel, the side panels being perpendicular to the push plate, the side panels being in sliding contact with the housing.

4. The portable SDR radio receiver of any one of claims 1-3, wherein said antenna mount is an elbow horizontal SMA antenna mount.

5. The portable SDR radio receiver of any one of claims 1-3, wherein said connector and radiator are rotatably connected.